// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/render_view_impl.h"
#include <algorithm>
#include <cmath>
#include "base/auto_reset.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/debug/alias.h"
#include "base/debug/trace_event.h"
#include "base/files/file_path.h"
#include "base/i18n/rtl.h"
#include "base/json/json_writer.h"
#include "base/lazy_instance.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop_proxy.h"
#include "base/metrics/histogram.h"
#include "base/path_service.h"
#include "base/process/kill.h"
#include "base/process/process.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/sys_string_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "cc/base/switches.h"
#include "content/child/appcache/appcache_dispatcher.h"
#include "content/child/appcache/web_application_cache_host_impl.h"
#include "content/child/child_thread.h"
#include "content/child/npapi/webplugin_delegate_impl.h"
#include "content/child/request_extra_data.h"
#include "content/child/webmessageportchannel_impl.h"
#include "content/common/clipboard_messages.h"
#include "content/common/database_messages.h"
#include "content/common/dom_storage/dom_storage_types.h"
#include "content/common/drag_messages.h"
#include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
#include "content/common/input_messages.h"
#include "content/common/java_bridge_messages.h"
#include "content/common/pepper_messages.h"
#include "content/common/socket_stream_handle_data.h"
#include "content/common/ssl_status_serialization.h"
#include "content/common/view_messages.h"
#include "content/public/common/bindings_policy.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/context_menu_params.h"
#include "content/public/common/drop_data.h"
#include "content/public/common/favicon_url.h"
#include "content/public/common/file_chooser_params.h"
#include "content/public/common/page_zoom.h"
#include "content/public/common/ssl_status.h"
#include "content/public/common/three_d_api_types.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/url_utils.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/public/renderer/context_menu_client.h"
#include "content/public/renderer/document_state.h"
#include "content/public/renderer/history_item_serialization.h"
#include "content/public/renderer/navigation_state.h"
#include "content/public/renderer/render_view_observer.h"
#include "content/public/renderer/render_view_visitor.h"
#include "content/public/renderer/web_preferences.h"
#include "content/renderer/accessibility/renderer_accessibility.h"
#include "content/renderer/accessibility/renderer_accessibility_complete.h"
#include "content/renderer/accessibility/renderer_accessibility_focus_only.h"
#include "content/renderer/browser_plugin/browser_plugin.h"
#include "content/renderer/browser_plugin/browser_plugin_manager.h"
#include "content/renderer/browser_plugin/browser_plugin_manager_impl.h"
#include "content/renderer/context_menu_params_builder.h"
#include "content/renderer/devtools/devtools_agent.h"
#include "content/renderer/disambiguation_popup_helper.h"
#include "content/renderer/dom_automation_controller.h"
#include "content/renderer/dom_storage/webstoragenamespace_impl.h"
#include "content/renderer/drop_data_builder.h"
#include "content/renderer/external_popup_menu.h"
#include "content/renderer/fetchers/alt_error_page_resource_fetcher.h"
#include "content/renderer/geolocation_dispatcher.h"
#include "content/renderer/gpu/render_widget_compositor.h"
#include "content/renderer/idle_user_detector.h"
#include "content/renderer/image_loading_helper.h"
#include "content/renderer/ime_event_guard.h"
#include "content/renderer/input/input_handler_manager.h"
#include "content/renderer/input_tag_speech_dispatcher.h"
#include "content/renderer/internal_document_state_data.h"
#include "content/renderer/java/java_bridge_dispatcher.h"
#include "content/renderer/load_progress_tracker.h"
#include "content/renderer/media/audio_device_factory.h"
#include "content/renderer/media/audio_renderer_mixer_manager.h"
#include "content/renderer/media/media_stream_dependency_factory.h"
#include "content/renderer/media/media_stream_dispatcher.h"
#include "content/renderer/media/media_stream_impl.h"
#include "content/renderer/media/midi_dispatcher.h"
#include "content/renderer/media/render_media_log.h"
#include "content/renderer/media/video_capture_impl_manager.h"
#include "content/renderer/media/webmediaplayer_impl.h"
#include "content/renderer/media/webmediaplayer_ms.h"
#include "content/renderer/media/webmediaplayer_params.h"
#include "content/renderer/mhtml_generator.h"
#include "content/renderer/notification_provider.h"
#include "content/renderer/render_frame_impl.h"
#include "content/renderer/render_process.h"
#include "content/renderer/render_thread_impl.h"
#include "content/renderer/render_view_impl_params.h"
#include "content/renderer/render_view_mouse_lock_dispatcher.h"
#include "content/renderer/render_widget_fullscreen_pepper.h"
#include "content/renderer/renderer_webapplicationcachehost_impl.h"
#include "content/renderer/renderer_webcolorchooser_impl.h"
#include "content/renderer/resizing_mode_selector.h"
#include "content/renderer/savable_resources.h"
#include "content/renderer/shared_worker_repository.h"
#include "content/renderer/speech_recognition_dispatcher.h"
#include "content/renderer/stats_collection_controller.h"
#include "content/renderer/stats_collection_observer.h"
#include "content/renderer/text_input_client_observer.h"
#include "content/renderer/v8_value_converter_impl.h"
#include "content/renderer/web_ui_extension.h"
#include "content/renderer/web_ui_extension_data.h"
#include "content/renderer/websharedworker_proxy.h"
#include "media/audio/audio_output_device.h"
#include "media/base/audio_renderer_mixer_input.h"
#include "media/base/filter_collection.h"
#include "media/base/media_switches.h"
#include "media/filters/audio_renderer_impl.h"
#include "media/filters/gpu_video_accelerator_factories.h"
#include "net/base/data_url.h"
#include "net/base/escape.h"
#include "net/base/net_errors.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "net/http/http_util.h"
#include "third_party/WebKit/public/platform/WebCString.h"
#include "third_party/WebKit/public/platform/WebDragData.h"
#include "third_party/WebKit/public/platform/WebHTTPBody.h"
#include "third_party/WebKit/public/platform/WebImage.h"
#include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
#include "third_party/WebKit/public/platform/WebPoint.h"
#include "third_party/WebKit/public/platform/WebRect.h"
#include "third_party/WebKit/public/platform/WebSize.h"
#include "third_party/WebKit/public/platform/WebSocketStreamHandle.h"
#include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
#include "third_party/WebKit/public/platform/WebString.h"
#include "third_party/WebKit/public/platform/WebURL.h"
#include "third_party/WebKit/public/platform/WebURLError.h"
#include "third_party/WebKit/public/platform/WebURLRequest.h"
#include "third_party/WebKit/public/platform/WebURLResponse.h"
#include "third_party/WebKit/public/platform/WebVector.h"
#include "third_party/WebKit/public/web/WebAXObject.h"
#include "third_party/WebKit/public/web/WebColorName.h"
#include "third_party/WebKit/public/web/WebColorSuggestion.h"
#include "third_party/WebKit/public/web/WebDOMEvent.h"
#include "third_party/WebKit/public/web/WebDOMMessageEvent.h"
#include "third_party/WebKit/public/web/WebDataSource.h"
#include "third_party/WebKit/public/web/WebDateTimeChooserCompletion.h"
#include "third_party/WebKit/public/web/WebDateTimeChooserParams.h"
#include "third_party/WebKit/public/web/WebDevToolsAgent.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebElement.h"
#include "third_party/WebKit/public/web/WebFileChooserParams.h"
#include "third_party/WebKit/public/web/WebFindOptions.h"
#include "third_party/WebKit/public/web/WebFormControlElement.h"
#include "third_party/WebKit/public/web/WebFormElement.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebGlyphCache.h"
#include "third_party/WebKit/public/web/WebHelperPlugin.h"
#include "third_party/WebKit/public/web/WebHistoryItem.h"
#include "third_party/WebKit/public/web/WebInputElement.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
#include "third_party/WebKit/public/web/WebNavigationPolicy.h"
#include "third_party/WebKit/public/web/WebNodeList.h"
#include "third_party/WebKit/public/web/WebPageSerializer.h"
#include "third_party/WebKit/public/web/WebPlugin.h"
#include "third_party/WebKit/public/web/WebPluginAction.h"
#include "third_party/WebKit/public/web/WebPluginContainer.h"
#include "third_party/WebKit/public/web/WebPluginDocument.h"
#include "third_party/WebKit/public/web/WebRange.h"
#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
#include "third_party/WebKit/public/web/WebScriptSource.h"
#include "third_party/WebKit/public/web/WebSearchableFormData.h"
#include "third_party/WebKit/public/web/WebSecurityOrigin.h"
#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
#include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
#include "third_party/WebKit/public/web/WebSettings.h"
#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
#include "third_party/WebKit/public/web/WebUserMediaClient.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "third_party/WebKit/public/web/WebWindowFeatures.h"
#include "third_party/WebKit/public/web/default/WebRenderTheme.h"
#include "ui/base/ui_base_switches_util.h"
#include "ui/events/latency_info.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/point.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/rect_conversions.h"
#include "ui/gfx/size_conversions.h"
#include "ui/shell_dialogs/selected_file_info.h"
#include "v8/include/v8.h"
#include "webkit/child/weburlresponse_extradata_impl.h"
#if defined(OS_ANDROID)
#include <cpu-features.h>
#include "content/common/android/device_telephony_info.h"
#include "content/common/gpu/client/context_provider_command_buffer.h"
#include "content/renderer/android/address_detector.h"
#include "content/renderer/android/content_detector.h"
#include "content/renderer/android/email_detector.h"
#include "content/renderer/android/phone_number_detector.h"
#include "content/renderer/android/synchronous_compositor_factory.h"
#include "content/renderer/media/android/renderer_media_player_manager.h"
#include "content/renderer/media/android/stream_texture_factory_android_impl.h"
#include "content/renderer/media/android/webmediaplayer_android.h"
#include "skia/ext/platform_canvas.h"
#include "third_party/WebKit/public/platform/WebFloatPoint.h"
#include "third_party/WebKit/public/platform/WebFloatRect.h"
#include "third_party/WebKit/public/web/WebHitTestResult.h"
#include "ui/gfx/rect_f.h"
#if defined(GOOGLE_TV)
#include "content/renderer/media/rtc_video_decoder_bridge_tv.h"
#include "content/renderer/media/rtc_video_decoder_factory_tv.h"
#endif
#elif defined(OS_WIN)
// TODO(port): these files are currently Windows only because they concern:
// * theming
#include "ui/native_theme/native_theme_win.h"
#elif defined(USE_X11)
#include "ui/native_theme/native_theme.h"
#elif defined(OS_MACOSX)
#include "skia/ext/skia_utils_mac.h"
#endif
#if defined(ENABLE_PLUGINS)
#include "content/renderer/npapi/webplugin_delegate_proxy.h"
#include "content/renderer/pepper/pepper_plugin_instance_impl.h"
#include "content/renderer/pepper/pepper_plugin_registry.h"
#endif
#if defined(ENABLE_WEBRTC)
#include "content/renderer/media/rtc_peer_connection_handler.h"
#endif
using blink::WebAXObject;
using blink::WebApplicationCacheHost;
using blink::WebApplicationCacheHostClient;
using blink::WebCString;
using blink::WebColor;
using blink::WebColorName;
using blink::WebConsoleMessage;
using blink::WebContextMenuData;
using blink::WebCookieJar;
using blink::WebData;
using blink::WebDataSource;
using blink::WebDocument;
using blink::WebDOMEvent;
using blink::WebDOMMessageEvent;
using blink::WebDragData;
using blink::WebDragOperation;
using blink::WebDragOperationsMask;
using blink::WebElement;
using blink::WebExternalPopupMenu;
using blink::WebExternalPopupMenuClient;
using blink::WebFileChooserCompletion;
using blink::WebFindOptions;
using blink::WebFormControlElement;
using blink::WebFormElement;
using blink::WebFrame;
using blink::WebGestureEvent;
using blink::WebHistoryItem;
using blink::WebHTTPBody;
using blink::WebIconURL;
using blink::WebImage;
using blink::WebInputElement;
using blink::WebInputEvent;
using blink::WebMediaPlayer;
using blink::WebMediaPlayerAction;
using blink::WebMediaPlayerClient;
using blink::WebMouseEvent;
using blink::WebNavigationPolicy;
using blink::WebNavigationType;
using blink::WebNode;
using blink::WebPageSerializer;
using blink::WebPageSerializerClient;
using blink::WebPeerConnection00Handler;
using blink::WebPeerConnection00HandlerClient;
using blink::WebPeerConnectionHandler;
using blink::WebPeerConnectionHandlerClient;
using blink::WebPluginAction;
using blink::WebPluginContainer;
using blink::WebPluginDocument;
using blink::WebPoint;
using blink::WebPopupMenuInfo;
using blink::WebRange;
using blink::WebRect;
using blink::WebReferrerPolicy;
using blink::WebRuntimeFeatures;
using blink::WebScriptSource;
using blink::WebSearchableFormData;
using blink::WebSecurityOrigin;
using blink::WebSecurityPolicy;
using blink::WebSerializedScriptValue;
using blink::WebSettings;
using blink::WebSize;
using blink::WebSocketStreamHandle;
using blink::WebStorageNamespace;
using blink::WebStorageQuotaCallbacks;
using blink::WebStorageQuotaError;
using blink::WebStorageQuotaType;
using blink::WebString;
using blink::WebTextAffinity;
using blink::WebTextDirection;
using blink::WebTouchEvent;
using blink::WebURL;
using blink::WebURLError;
using blink::WebURLRequest;
using blink::WebURLResponse;
using blink::WebUserGestureIndicator;
using blink::WebVector;
using blink::WebView;
using blink::WebWidget;
using blink::WebWindowFeatures;
using base::Time;
using base::TimeDelta;
using webkit_glue::WebURLResponseExtraDataImpl;
#if defined(OS_ANDROID)
using blink::WebContentDetectionResult;
using blink::WebFloatPoint;
using blink::WebFloatRect;
using blink::WebHitTestResult;
#endif
namespace content {
//-----------------------------------------------------------------------------
typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap;
static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map =
LAZY_INSTANCE_INITIALIZER;
// Time, in seconds, we delay before sending content state changes (such as form
// state and scroll position) to the browser. We delay sending changes to avoid
// spamming the browser.
// To avoid having tab/session restore require sending a message to get the
// current content state during tab closing we use a shorter timeout for the
// foreground renderer. This means there is a small window of time from which
// content state is modified and not sent to session restore, but this is
// better than having to wake up all renderers during shutdown.
const int kDelaySecondsForContentStateSyncHidden = 5;
const int kDelaySecondsForContentStateSync = 1;
const size_t kExtraCharsBeforeAndAfterSelection = 100;
const float kScalingIncrementForGesture = 0.01f;
#if defined(OS_ANDROID)
// Delay between tapping in content and launching the associated android intent.
// Used to allow users see what has been recognized as content.
const size_t kContentIntentDelayMilliseconds = 700;
#endif
static RenderViewImpl* (*g_create_render_view_impl)(RenderViewImplParams*) =
NULL;
static void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
// Replace any occurrences of swappedout:// with about:blank.
const WebURL& blank_url = GURL(kAboutBlankURL);
WebVector<WebURL> urls;
ds->redirectChain(urls);
result->reserve(urls.size());
for (size_t i = 0; i < urls.size(); ++i) {
if (urls[i] != GURL(kSwappedOutURL))
result->push_back(urls[i]);
else
result->push_back(blank_url);
}
}
// If |data_source| is non-null and has an InternalDocumentStateData associated
// with it, the AltErrorPageResourceFetcher is reset.
static void StopAltErrorPageFetcher(WebDataSource* data_source) {
if (data_source) {
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDataSource(data_source);
if (internal_data)
internal_data->set_alt_error_page_fetcher(NULL);
}
}
static bool IsReload(const ViewMsg_Navigate_Params& params) {
return
params.navigation_type == ViewMsg_Navigate_Type::RELOAD ||
params.navigation_type == ViewMsg_Navigate_Type::RELOAD_IGNORING_CACHE ||
params.navigation_type ==
ViewMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
}
// static
WebReferrerPolicy RenderViewImpl::GetReferrerPolicyFromRequest(
WebFrame* frame,
const WebURLRequest& request) {
return request.extraData() ?
static_cast<RequestExtraData*>(request.extraData())->referrer_policy() :
frame->document().referrerPolicy();
}
// static
Referrer RenderViewImpl::GetReferrerFromRequest(
WebFrame* frame,
const WebURLRequest& request) {
return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
GetReferrerPolicyFromRequest(frame, request));
}
// static
WebURLResponseExtraDataImpl* RenderViewImpl::GetExtraDataFromResponse(
const WebURLResponse& response) {
return static_cast<WebURLResponseExtraDataImpl*>(
response.extraData());
}
NOINLINE static void CrashIntentionally() {
// NOTE(shess): Crash directly rather than using NOTREACHED() so
// that the signature is easier to triage in crash reports.
volatile int* zero = NULL;
*zero = 0;
}
#if defined(ADDRESS_SANITIZER)
NOINLINE static void MaybeTriggerAsanError(const GURL& url) {
// NOTE(rogerm): We intentionally perform an invalid heap access here in
// order to trigger an Address Sanitizer (ASAN) error report.
static const char kCrashDomain[] = "crash";
static const char kHeapOverflow[] = "/heap-overflow";
static const char kHeapUnderflow[] = "/heap-underflow";
static const char kUseAfterFree[] = "/use-after-free";
static const int kArraySize = 5;
if (!url.DomainIs(kCrashDomain, sizeof(kCrashDomain) - 1))
return;
if (!url.has_path())
return;
scoped_ptr<int[]> array(new int[kArraySize]);
std::string crash_type(url.path());
int dummy = 0;
if (crash_type == kHeapOverflow) {
dummy = array[kArraySize];
} else if (crash_type == kHeapUnderflow ) {
dummy = array[-1];
} else if (crash_type == kUseAfterFree) {
int* dangling = array.get();
array.reset();
dummy = dangling[kArraySize / 2];
}
// Make sure the assignments to the dummy value aren't optimized away.
base::debug::Alias(&dummy);
}
#endif // ADDRESS_SANITIZER
static void MaybeHandleDebugURL(const GURL& url) {
if (!url.SchemeIs(chrome::kChromeUIScheme))
return;
if (url == GURL(kChromeUICrashURL)) {
CrashIntentionally();
} else if (url == GURL(kChromeUIKillURL)) {
base::KillProcess(base::GetCurrentProcessHandle(), 1, false);
} else if (url == GURL(kChromeUIHangURL)) {
for (;;) {
base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
}
} else if (url == GURL(kChromeUIShorthangURL)) {
base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
}
#if defined(ADDRESS_SANITIZER)
MaybeTriggerAsanError(url);
#endif // ADDRESS_SANITIZER
}
// Returns false unless this is a top-level navigation.
static bool IsTopLevelNavigation(WebFrame* frame) {
return frame->parent() == NULL;
}
// Returns false unless this is a top-level navigation that crosses origins.
static bool IsNonLocalTopLevelNavigation(const GURL& url,
WebFrame* frame,
WebNavigationType type,
bool is_form_post) {
if (!IsTopLevelNavigation(frame))
return false;
// Navigations initiated within Webkit are not sent out to the external host
// in the following cases.
// 1. The url scheme is not http/https
// 2. The origin of the url and the opener is the same in which case the
// opener relationship is maintained.
// 3. Reloads/form submits/back forward navigations
if (!url.SchemeIs(kHttpScheme) && !url.SchemeIs(kHttpsScheme))
return false;
if (type != blink::WebNavigationTypeReload &&
type != blink::WebNavigationTypeBackForward && !is_form_post) {
// The opener relationship between the new window and the parent allows the
// new window to script the parent and vice versa. This is not allowed if
// the origins of the two domains are different. This can be treated as a
// top level navigation and routed back to the host.
blink::WebFrame* opener = frame->opener();
if (!opener)
return true;
if (url.GetOrigin() != GURL(opener->document().url()).GetOrigin())
return true;
}
return false;
}
static void NotifyTimezoneChange(blink::WebFrame* frame) {
v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
v8::Context::Scope context_scope(frame->mainWorldScriptContext());
v8::Date::DateTimeConfigurationChangeNotification(v8::Isolate::GetCurrent());
blink::WebFrame* child = frame->firstChild();
for (; child; child = child->nextSibling())
NotifyTimezoneChange(child);
}
static WindowOpenDisposition NavigationPolicyToDisposition(
WebNavigationPolicy policy) {
switch (policy) {
case blink::WebNavigationPolicyIgnore:
return IGNORE_ACTION;
case blink::WebNavigationPolicyDownload:
return SAVE_TO_DISK;
case blink::WebNavigationPolicyCurrentTab:
return CURRENT_TAB;
case blink::WebNavigationPolicyNewBackgroundTab:
return NEW_BACKGROUND_TAB;
case blink::WebNavigationPolicyNewForegroundTab:
return NEW_FOREGROUND_TAB;
case blink::WebNavigationPolicyNewWindow:
return NEW_WINDOW;
case blink::WebNavigationPolicyNewPopup:
return NEW_POPUP;
default:
NOTREACHED() << "Unexpected WebNavigationPolicy";
return IGNORE_ACTION;
}
}
// Returns true if the device scale is high enough that losing subpixel
// antialiasing won't have a noticeable effect on text quality.
static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) {
#if defined(OS_ANDROID)
// On Android, we never have subpixel antialiasing.
return true;
#else
return device_scale_factor > 1.5f;
#endif
}
static bool ShouldUseFixedPositionCompositing(float device_scale_factor) {
// Compositing for fixed-position elements is dependent on
// device_scale_factor if no flag is set. http://crbug.com/172738
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kDisableCompositingForFixedPosition))
return false;
if (command_line.HasSwitch(switches::kEnableCompositingForFixedPosition))
return true;
return DeviceScaleEnsuresTextQuality(device_scale_factor);
}
static bool ShouldUseAcceleratedCompositingForOverflowScroll(
float device_scale_factor) {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kDisableAcceleratedOverflowScroll))
return false;
if (command_line.HasSwitch(switches::kEnableAcceleratedOverflowScroll))
return true;
return DeviceScaleEnsuresTextQuality(device_scale_factor);
}
static bool ShouldUseAcceleratedCompositingForScrollableFrames(
float device_scale_factor) {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kDisableAcceleratedScrollableFrames))
return false;
if (command_line.HasSwitch(switches::kEnableAcceleratedScrollableFrames))
return true;
if (!cc::switches::IsLCDTextEnabled())
return true;
return DeviceScaleEnsuresTextQuality(device_scale_factor);
}
static bool ShouldUseCompositedScrollingForFrames(
float device_scale_factor) {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kDisableCompositedScrollingForFrames))
return false;
if (command_line.HasSwitch(switches::kEnableCompositedScrollingForFrames))
return true;
if (!cc::switches::IsLCDTextEnabled())
return true;
return DeviceScaleEnsuresTextQuality(device_scale_factor);
}
static bool ShouldUseUniversalAcceleratedCompositingForOverflowScroll() {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(
switches::kDisableUniversalAcceleratedOverflowScroll))
return false;
if (command_line.HasSwitch(
switches::kEnableUniversalAcceleratedOverflowScroll))
return true;
return false;
}
static bool ShouldUseTransitionCompositing(float device_scale_factor) {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kDisableCompositingForTransition))
return false;
if (command_line.HasSwitch(switches::kEnableCompositingForTransition))
return true;
// TODO(ajuma): Re-enable this by default for high-DPI once the problem
// of excessive layer promotion caused by overlap has been addressed.
// http://crbug.com/178119.
return false;
}
static bool ShouldUseAcceleratedFixedRootBackground(float device_scale_factor) {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kDisableAcceleratedFixedRootBackground))
return false;
if (command_line.HasSwitch(switches::kEnableAcceleratedFixedRootBackground))
return true;
return DeviceScaleEnsuresTextQuality(device_scale_factor);
}
static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
switch (type) {
case blink::WebIconURL::TypeFavicon:
return FaviconURL::FAVICON;
case blink::WebIconURL::TypeTouch:
return FaviconURL::TOUCH_ICON;
case blink::WebIconURL::TypeTouchPrecomposed:
return FaviconURL::TOUCH_PRECOMPOSED_ICON;
case blink::WebIconURL::TypeInvalid:
return FaviconURL::INVALID_ICON;
}
return FaviconURL::INVALID_ICON;
}
///////////////////////////////////////////////////////////////////////////////
struct RenderViewImpl::PendingFileChooser {
PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
: params(p),
completion(c) {
}
FileChooserParams params;
WebFileChooserCompletion* completion; // MAY BE NULL to skip callback.
};
namespace {
class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
public:
explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
: webwidget_(webwidget) {}
virtual void OnLockMouseACK(bool succeeded) OVERRIDE {
if (succeeded)
webwidget_->didAcquirePointerLock();
else
webwidget_->didNotAcquirePointerLock();
}
virtual void OnMouseLockLost() OVERRIDE {
webwidget_->didLosePointerLock();
}
virtual bool HandleMouseLockedInputEvent(
const blink::WebMouseEvent &event) OVERRIDE {
// The WebWidget handles mouse lock in WebKit's handleInputEvent().
return false;
}
private:
blink::WebWidget* webwidget_;
};
int64 ExtractPostId(const WebHistoryItem& item) {
if (item.isNull())
return -1;
if (item.httpBody().isNull())
return -1;
return item.httpBody().identifier();
}
bool TouchEnabled() {
// Based on the definition of chrome::kEnableTouchIcon.
#if defined(OS_ANDROID)
return true;
#else
return false;
#endif
}
WebDragData DropDataToWebDragData(const DropData& drop_data) {
std::vector<WebDragData::Item> item_list;
// These fields are currently unused when dragging into WebKit.
DCHECK(drop_data.download_metadata.empty());
DCHECK(drop_data.file_contents.empty());
DCHECK(drop_data.file_description_filename.empty());
if (!drop_data.text.is_null()) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeString;
item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
item.stringData = drop_data.text.string();
item_list.push_back(item);
}
// TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
// meaningful to write an empty URL to the clipboard?
if (!drop_data.url.is_empty()) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeString;
item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
item.stringData = WebString::fromUTF8(drop_data.url.spec());
item.title = drop_data.url_title;
item_list.push_back(item);
}
if (!drop_data.html.is_null()) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeString;
item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
item.stringData = drop_data.html.string();
item.baseURL = drop_data.html_base_url;
item_list.push_back(item);
}
for (std::vector<DropData::FileInfo>::const_iterator it =
drop_data.filenames.begin();
it != drop_data.filenames.end();
++it) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeFilename;
item.filenameData = it->path;
item.displayNameData = it->display_name;
item_list.push_back(item);
}
for (std::map<base::string16, base::string16>::const_iterator it =
drop_data.custom_data.begin();
it != drop_data.custom_data.end();
++it) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeString;
item.stringType = it->first;
item.stringData = it->second;
item_list.push_back(item);
}
WebDragData result;
result.initialize();
result.setItems(item_list);
result.setFilesystemId(drop_data.filesystem_id);
return result;
}
} // namespace
RenderViewImpl::RenderViewImpl(RenderViewImplParams* params)
: RenderWidget(blink::WebPopupTypeNone,
params->screen_info,
params->swapped_out,
params->hidden),
webkit_preferences_(params->webkit_prefs),
send_content_state_immediately_(false),
enabled_bindings_(0),
send_preferred_size_changes_(false),
is_loading_(false),
navigation_gesture_(NavigationGestureUnknown),
opened_by_user_gesture_(true),
opener_suppressed_(false),
suppress_dialogs_until_swap_out_(false),
page_id_(-1),
last_page_id_sent_to_browser_(-1),
next_page_id_(params->next_page_id),
history_list_offset_(-1),
history_list_length_(0),
target_url_status_(TARGET_NONE),
selection_text_offset_(0),
selection_range_(gfx::Range::InvalidRange()),
#if defined(OS_ANDROID)
top_controls_constraints_(cc::BOTH),
#endif
cached_is_main_frame_pinned_to_left_(false),
cached_is_main_frame_pinned_to_right_(false),
cached_has_main_frame_horizontal_scrollbar_(false),
cached_has_main_frame_vertical_scrollbar_(false),
cookie_jar_(this),
notification_provider_(NULL),
geolocation_dispatcher_(NULL),
input_tag_speech_dispatcher_(NULL),
speech_recognition_dispatcher_(NULL),
media_stream_dispatcher_(NULL),
browser_plugin_manager_(NULL),
media_stream_client_(NULL),
web_user_media_client_(NULL),
midi_dispatcher_(NULL),
devtools_agent_(NULL),
accessibility_mode_(AccessibilityModeOff),
renderer_accessibility_(NULL),
mouse_lock_dispatcher_(NULL),
#if defined(OS_ANDROID)
body_background_color_(SK_ColorWHITE),
expected_content_intent_id_(0),
media_player_manager_(NULL),
#endif
#if defined(OS_WIN)
focused_plugin_id_(-1),
#endif
#if defined(ENABLE_PLUGINS)
focused_pepper_plugin_(NULL),
pepper_last_mouse_event_target_(NULL),
#endif
enumeration_completion_id_(0),
load_progress_tracker_(new LoadProgressTracker(this)),
session_storage_namespace_id_(params->session_storage_namespace_id),
handling_select_range_(false),
next_snapshot_id_(0),
allow_partial_swap_(params->allow_partial_swap),
context_menu_source_type_(ui::MENU_SOURCE_MOUSE) {
}
void RenderViewImpl::Initialize(RenderViewImplParams* params) {
routing_id_ = params->routing_id;
surface_id_ = params->surface_id;
if (params->opener_id != MSG_ROUTING_NONE && params->is_renderer_created)
opener_id_ = params->opener_id;
// Ensure we start with a valid next_page_id_ from the browser.
DCHECK_GE(next_page_id_, 0);
#if defined(ENABLE_NOTIFICATIONS)
notification_provider_ = new NotificationProvider(this);
#else
notification_provider_ = NULL;
#endif
webwidget_ = WebView::create(this);
webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kStatsCollectionController))
stats_collection_observer_.reset(new StatsCollectionObserver(this));
#if defined(OS_ANDROID)
content::DeviceTelephonyInfo device_info;
const std::string region_code =
command_line.HasSwitch(switches::kNetworkCountryIso)
? command_line.GetSwitchValueASCII(switches::kNetworkCountryIso)
: device_info.GetNetworkCountryIso();
content_detectors_.push_back(linked_ptr<ContentDetector>(
new AddressDetector()));
content_detectors_.push_back(linked_ptr<ContentDetector>(
new PhoneNumberDetector(region_code)));
content_detectors_.push_back(linked_ptr<ContentDetector>(
new EmailDetector()));
#endif
RenderThread::Get()->AddRoute(routing_id_, this);
// Take a reference on behalf of the RenderThread. This will be balanced
// when we receive ViewMsg_ClosePage.
AddRef();
if (is_hidden_)
RenderThread::Get()->WidgetHidden();
// If this is a popup, we must wait for the CreatingNew_ACK message before
// completing initialization. Otherwise, we can finish it now.
if (opener_id_ == MSG_ROUTING_NONE) {
did_show_ = true;
CompleteInit();
}
g_view_map.Get().insert(std::make_pair(webview(), this));
g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
webview()->setDeviceScaleFactor(device_scale_factor_);
webview()->settings()->setAcceleratedCompositingForFixedPositionEnabled(
ShouldUseFixedPositionCompositing(device_scale_factor_));
webview()->settings()->setAcceleratedCompositingForOverflowScrollEnabled(
ShouldUseAcceleratedCompositingForOverflowScroll(device_scale_factor_));
webview()->settings()->setCompositorDrivenAcceleratedScrollingEnabled(
ShouldUseUniversalAcceleratedCompositingForOverflowScroll());
webview()->settings()->setAcceleratedCompositingForTransitionEnabled(
ShouldUseTransitionCompositing(device_scale_factor_));
webview()->settings()->setAcceleratedCompositingForFixedRootBackgroundEnabled(
ShouldUseAcceleratedFixedRootBackground(device_scale_factor_));
webview()->settings()->setAcceleratedCompositingForScrollableFramesEnabled(
ShouldUseAcceleratedCompositingForScrollableFrames(device_scale_factor_));
webview()->settings()->setCompositedScrollingForFramesEnabled(
ShouldUseCompositedScrollingForFrames(device_scale_factor_));
ApplyWebPreferences(webkit_preferences_, webview());
main_render_frame_.reset(
RenderFrameImpl::Create(this, params->main_frame_routing_id));
// The main frame WebFrame object is closed by
// RenderViewImpl::frameDetached().
webview()->setMainFrame(WebFrame::create(main_render_frame_.get()));
if (switches::IsTouchDragDropEnabled())
webview()->settings()->setTouchDragDropEnabled(true);
if (switches::IsTouchEditingEnabled())
webview()->settings()->setTouchEditingEnabled(true);
if (!params->frame_name.empty())
webview()->mainFrame()->setName(params->frame_name);
OnSetRendererPrefs(params->renderer_prefs);
#if defined(ENABLE_WEBRTC)
if (!media_stream_dispatcher_)
media_stream_dispatcher_ = new MediaStreamDispatcher(this);
#endif
new MHTMLGenerator(this);
#if defined(OS_MACOSX)
new TextInputClientObserver(this);
#endif // defined(OS_MACOSX)
new SharedWorkerRepository(this);
#if defined(OS_ANDROID)
media_player_manager_ = new RendererMediaPlayerManager(this);
new JavaBridgeDispatcher(this);
#endif
// The next group of objects all implement RenderViewObserver, so are deleted
// along with the RenderView automatically.
devtools_agent_ = new DevToolsAgent(this);
if (RenderWidgetCompositor* rwc = compositor()) {
webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId());
}
mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
new ImageLoadingHelper(this);
// Create renderer_accessibility_ if needed.
OnSetAccessibilityMode(params->accessibility_mode);
new IdleUserDetector(this);
if (command_line.HasSwitch(switches::kDomAutomationController))
enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
if (command_line.HasSwitch(switches::kStatsCollectionController))
enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
ProcessViewLayoutFlags(command_line);
GetContentClient()->renderer()->RenderViewCreated(this);
// If we have an opener_id but we weren't created by a renderer, then
// it's the browser asking us to set our opener to another RenderView.
if (params->opener_id != MSG_ROUTING_NONE && !params->is_renderer_created) {
RenderViewImpl* opener_view = FromRoutingID(params->opener_id);
if (opener_view)
webview()->mainFrame()->setOpener(opener_view->webview()->mainFrame());
}
// If we are initially swapped out, navigate to kSwappedOutURL.
// This ensures we are in a unique origin that others cannot script.
if (is_swapped_out_)
NavigateToSwappedOutURL(webview()->mainFrame());
}
RenderViewImpl::~RenderViewImpl() {
history_page_ids_.clear();
base::debug::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_);
// If file chooser is still waiting for answer, dispatch empty answer.
while (!file_chooser_completions_.empty()) {
if (file_chooser_completions_.front()->completion) {
file_chooser_completions_.front()->completion->didChooseFile(
WebVector<WebString>());
}
file_chooser_completions_.pop_front();
}
#if defined(OS_ANDROID)
// The date/time picker client is both a scoped_ptr member of this class and
// a RenderViewObserver. Reset it to prevent double deletion.
date_time_picker_client_.reset();
#endif
#ifndef NDEBUG
// Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
ViewMap* views = g_view_map.Pointer();
for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
DCHECK_NE(this, it->second) << "Failed to call Close?";
RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
for (RoutingIDViewMap::iterator it = routing_id_views->begin();
it != routing_id_views->end(); ++it)
DCHECK_NE(this, it->second) << "Failed to call Close?";
#endif
FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
}
/*static*/
RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
ViewMap* views = g_view_map.Pointer();
ViewMap::iterator it = views->find(webview);
return it == views->end() ? NULL : it->second;
}
/*static*/
RenderView* RenderView::FromWebView(blink::WebView* webview) {
return RenderViewImpl::FromWebView(webview);
}
/*static*/
RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
RoutingIDViewMap::iterator it = views->find(routing_id);
return it == views->end() ? NULL : it->second;
}
/*static*/
RenderView* RenderView::FromRoutingID(int routing_id) {
return RenderViewImpl::FromRoutingID(routing_id);
}
/*static*/
void RenderView::ForEach(RenderViewVisitor* visitor) {
ViewMap* views = g_view_map.Pointer();
for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
if (!visitor->Visit(it->second))
return;
}
}
/*static*/
RenderViewImpl* RenderViewImpl::Create(
int32 opener_id,
const RendererPreferences& renderer_prefs,
const WebPreferences& webkit_prefs,
int32 routing_id,
int32 main_frame_routing_id,
int32 surface_id,
int64 session_storage_namespace_id,
const base::string16& frame_name,
bool is_renderer_created,
bool swapped_out,
bool hidden,
int32 next_page_id,
const blink::WebScreenInfo& screen_info,
AccessibilityMode accessibility_mode,
bool allow_partial_swap) {
DCHECK(routing_id != MSG_ROUTING_NONE);
RenderViewImplParams params(
opener_id,
renderer_prefs,
webkit_prefs,
routing_id,
main_frame_routing_id,
surface_id,
session_storage_namespace_id,
frame_name,
is_renderer_created,
swapped_out,
hidden,
next_page_id,
screen_info,
accessibility_mode,
allow_partial_swap);
RenderViewImpl* render_view = NULL;
if (g_create_render_view_impl)
render_view = g_create_render_view_impl(¶ms);
else
render_view = new RenderViewImpl(¶ms);
render_view->Initialize(¶ms);
return render_view;
}
// static
void RenderViewImpl::InstallCreateHook(
RenderViewImpl* (*create_render_view_impl)(RenderViewImplParams*)) {
CHECK(!g_create_render_view_impl);
g_create_render_view_impl = create_render_view_impl;
}
void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
observers_.AddObserver(observer);
}
void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
observer->RenderViewGone();
observers_.RemoveObserver(observer);
}
blink::WebView* RenderViewImpl::webview() const {
return static_cast<blink::WebView*>(webwidget());
}
#if defined(ENABLE_PLUGINS)
void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
plugin_delegates_.insert(delegate);
// If the renderer is visible, set initial visibility and focus state.
if (!is_hidden()) {
#if defined(OS_MACOSX)
delegate->SetContainerVisibility(true);
if (webview() && webview()->isActive())
delegate->SetWindowFocus(true);
#endif
}
// Plugins start assuming the content has focus (so that they work in
// environments where RenderView isn't hosting them), so we always have to
// set the initial state. See webplugin_delegate_impl.h for details.
delegate->SetContentAreaFocus(has_focus());
}
void RenderViewImpl::UnregisterPluginDelegate(
WebPluginDelegateProxy* delegate) {
plugin_delegates_.erase(delegate);
}
#if defined(OS_WIN)
void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
if (focused)
focused_plugin_id_ = plugin_id;
else
focused_plugin_id_ = -1;
}
#endif
#if defined(OS_MACOSX)
void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
}
void RenderViewImpl::StartPluginIme() {
IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
// This message can be sent during event-handling, and needs to be delivered
// within that context.
msg->set_unblock(true);
Send(msg);
}
#endif // defined(OS_MACOSX)
#endif // ENABLE_PLUGINS
void RenderViewImpl::TransferActiveWheelFlingAnimation(
const blink::WebActiveWheelFlingParameters& params) {
if (webview())
webview()->transferActiveWheelFlingAnimation(params);
}
bool RenderViewImpl::HasIMETextFocus() {
return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
}
bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
if (main_frame)
GetContentClient()->SetActiveURL(main_frame->document().url());
ObserverListBase<RenderViewObserver>::Iterator it(observers_);
RenderViewObserver* observer;
while ((observer = it.GetNext()) != NULL)
if (observer->OnMessageReceived(message))
return true;
bool handled = true;
bool msg_is_ok = true;
IPC_BEGIN_MESSAGE_MAP_EX(RenderViewImpl, message, msg_is_ok)
IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy)
IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut)
IPC_MESSAGE_HANDLER(InputMsg_Delete, OnDelete)
IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
IPC_MESSAGE_HANDLER(InputMsg_Paste, OnPaste)
IPC_MESSAGE_HANDLER(InputMsg_PasteAndMatchStyle, OnPasteAndMatchStyle)
IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo)
IPC_MESSAGE_HANDLER(InputMsg_Replace, OnReplace)
IPC_MESSAGE_HANDLER(InputMsg_ReplaceMisspelling, OnReplaceMisspelling)
IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
OnScrollFocusedEditableNodeIntoRect)
IPC_MESSAGE_HANDLER(InputMsg_SelectAll, OnSelectAll)
IPC_MESSAGE_HANDLER(InputMsg_SelectRange, OnSelectRange)
IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
OnSetEditCommandsForNextKeyEvent)
IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo)
IPC_MESSAGE_HANDLER(InputMsg_Unselect, OnUnselect)
IPC_MESSAGE_HANDLER(ViewMsg_Navigate, OnNavigate)
IPC_MESSAGE_HANDLER(ViewMsg_Stop, OnStop)
IPC_MESSAGE_HANDLER(ViewMsg_ReloadFrame, OnReloadFrame)
IPC_MESSAGE_HANDLER(ViewMsg_SetName, OnSetName)
IPC_MESSAGE_HANDLER(ViewMsg_SetEditableSelectionOffsets,
OnSetEditableSelectionOffsets)
IPC_MESSAGE_HANDLER(ViewMsg_SetCompositionFromExistingText,
OnSetCompositionFromExistingText)
IPC_MESSAGE_HANDLER(ViewMsg_ExtendSelectionAndDelete,
OnExtendSelectionAndDelete)
IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevel, OnSetZoomLevel)
IPC_MESSAGE_HANDLER(ViewMsg_ZoomFactor, OnZoomFactor)
IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
OnSetZoomLevelForLoadingURL)
IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
OnResetPageEncodingToDefault)
IPC_MESSAGE_HANDLER(ViewMsg_ScriptEvalRequest, OnScriptEvalRequest)
IPC_MESSAGE_HANDLER(ViewMsg_PostMessageEvent, OnPostMessageEvent)
IPC_MESSAGE_HANDLER(ViewMsg_CSSInsertRequest, OnCSSInsertRequest)
IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
IPC_MESSAGE_HANDLER(DragMsg_SourceEndedOrMoved, OnDragSourceEndedOrMoved)
IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
OnDragSourceSystemDragEnded)
IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
IPC_MESSAGE_HANDLER(ViewMsg_TimezoneChange, OnUpdateTimezone)
IPC_MESSAGE_HANDLER(ViewMsg_SetAltErrorPageURL, OnSetAltErrorPageURL)
IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
OnEnumerateDirectoryResponse)
IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
IPC_MESSAGE_HANDLER(ViewMsg_ShouldClose, OnShouldClose)
IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
OnSuppressDialogsUntilSwapOut)
IPC_MESSAGE_HANDLER(ViewMsg_SwapOut, OnSwapOut)
IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedNode, OnClearFocusedNode)
IPC_MESSAGE_HANDLER(ViewMsg_SetBackground, OnSetBackground)
IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
OnEnablePreferredSizeChangedMode)
IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
OnDisableScrollbarsForSmallWindows)
IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
IPC_MESSAGE_HANDLER(ViewMsg_OrientationChangeEvent,
OnOrientationChangeEvent)
IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
IPC_MESSAGE_HANDLER(ViewMsg_CustomContextMenuAction,
OnCustomContextMenuAction)
IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
OnGetAllSavableResourceLinksForCurrentPage)
IPC_MESSAGE_HANDLER(
ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
IPC_MESSAGE_HANDLER(ViewMsg_ContextMenuClosed, OnContextMenuClosed)
IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
// TODO(viettrungluu): Move to a separate message filter.
IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryLengthAndPrune,
OnSetHistoryLengthAndPrune)
IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
IPC_MESSAGE_HANDLER(ViewMsg_SetAccessibilityMode, OnSetAccessibilityMode)
IPC_MESSAGE_HANDLER(ViewMsg_DisownOpener, OnDisownOpener)
IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupDIB,
OnReleaseDisambiguationPopupDIB)
IPC_MESSAGE_HANDLER(ViewMsg_WindowSnapshotCompleted,
OnWindowSnapshotCompleted)
#if defined(OS_ANDROID)
IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
OnActivateNearestFindResult)
IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
IPC_MESSAGE_HANDLER(ViewMsg_SelectPopupMenuItems, OnSelectPopupMenuItems)
IPC_MESSAGE_HANDLER(ViewMsg_UndoScrollFocusedEditableNodeIntoView,
OnUndoScrollFocusedEditableNodeIntoRect)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
OnUpdateTopControlsState)
IPC_MESSAGE_HANDLER(ViewMsg_PauseVideo, OnPauseVideo)
IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
#elif defined(OS_MACOSX)
IPC_MESSAGE_HANDLER(InputMsg_CopyToFindPboard, OnCopyToFindPboard)
IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
OnPluginImeCompositionCompleted)
IPC_MESSAGE_HANDLER(ViewMsg_SelectPopupMenuItem, OnSelectPopupMenuItem)
IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
#endif
// Adding a new message? Add platform independent ones first, then put the
// platform specific ones at the end.
// Have the super handle all other messages.
IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
IPC_END_MESSAGE_MAP()
if (!msg_is_ok) {
// The message had a handler, but its deserialization failed.
// Kill the renderer to avoid potential spoofing attacks.
CHECK(false) << "Unable to deserialize message in RenderViewImpl.";
}
return handled;
}
void RenderViewImpl::OnNavigate(const ViewMsg_Navigate_Params& params) {
MaybeHandleDebugURL(params.url);
if (!webview())
return;
FOR_EACH_OBSERVER(RenderViewObserver, observers_, Navigate(params.url));
bool is_reload = IsReload(params);
// If this is a stale back/forward (due to a recent navigation the browser
// didn't know about), ignore it.
if (IsBackForwardToStaleEntry(params, is_reload))
return;
// Swap this renderer back in if necessary.
if (is_swapped_out_) {
// We marked the view as hidden when swapping the view out, so be sure to
// reset the visibility state before navigating to the new URL.
webview()->setVisibilityState(visibilityState(), false);
// If this is an attempt to reload while we are swapped out, we should not
// reload swappedout://, but the previous page, which is stored in
// params.state. Setting is_reload to false will treat this like a back
// navigation to accomplish that.
is_reload = false;
// We refresh timezone when a view is swapped in since timezone
// can get out of sync when the system timezone is updated while
// the view is swapped out.
NotifyTimezoneChange(webview()->mainFrame());
SetSwappedOut(false);
}
if (params.should_clear_history_list) {
CHECK_EQ(params.pending_history_list_offset, -1);
CHECK_EQ(params.current_history_list_offset, -1);
CHECK_EQ(params.current_history_list_length, 0);
}
history_list_offset_ = params.current_history_list_offset;
history_list_length_ = params.current_history_list_length;
if (history_list_length_ >= 0)
history_page_ids_.resize(history_list_length_, -1);
if (params.pending_history_list_offset >= 0 &&
params.pending_history_list_offset < history_list_length_)
history_page_ids_[params.pending_history_list_offset] = params.page_id;
GetContentClient()->SetActiveURL(params.url);
WebFrame* frame = webview()->mainFrame();
if (!params.frame_to_navigate.empty()) {
frame = webview()->findFrameByName(
WebString::fromUTF8(params.frame_to_navigate));
CHECK(frame) << "Invalid frame name passed: " << params.frame_to_navigate;
}
if (is_reload && frame->currentHistoryItem().isNull()) {
// We cannot reload if we do not have any history state. This happens, for
// example, when recovering from a crash. Our workaround here is a bit of
// a hack since it means that reload after a crashed tab does not cause an
// end-to-end cache validation.
is_reload = false;
}
pending_navigation_params_.reset(new ViewMsg_Navigate_Params(params));
// If we are reloading, then WebKit will use the history state of the current
// page, so we should just ignore any given history state. Otherwise, if we
// have history state, then we need to navigate to it, which corresponds to a
// back/forward navigation event.
if (is_reload) {
bool reload_original_url =
(params.navigation_type ==
ViewMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
bool ignore_cache = (params.navigation_type ==
ViewMsg_Navigate_Type::RELOAD_IGNORING_CACHE);
if (reload_original_url)
frame->reloadWithOverrideURL(params.url, true);
else
frame->reload(ignore_cache);
} else if (params.page_state.IsValid()) {
// We must know the page ID of the page we are navigating back to.
DCHECK_NE(params.page_id, -1);
WebHistoryItem item = PageStateToHistoryItem(params.page_state);
if (!item.isNull()) {
// Ensure we didn't save the swapped out URL in UpdateState, since the
// browser should never be telling us to navigate to swappedout://.
CHECK(item.urlString() != WebString::fromUTF8(kSwappedOutURL));
frame->loadHistoryItem(item);
}
} else if (!params.base_url_for_data_url.is_empty()) {
// A loadData request with a specified base URL.
std::string mime_type, charset, data;
if (net::DataURL::Parse(params.url, &mime_type, &charset, &data)) {
frame->loadData(
WebData(data.c_str(), data.length()),
WebString::fromUTF8(mime_type),
WebString::fromUTF8(charset),
params.base_url_for_data_url,
params.history_url_for_data_url,
false);
} else {
CHECK(false) <<
"Invalid URL passed: " << params.url.possibly_invalid_spec();
}
} else {
// Navigate to the given URL.
WebURLRequest request(params.url);
// A session history navigation should have been accompanied by state.
CHECK_EQ(params.page_id, -1);
if (frame->isViewSourceModeEnabled())
request.setCachePolicy(WebURLRequest::ReturnCacheDataElseLoad);
if (params.referrer.url.is_valid()) {
WebString referrer = WebSecurityPolicy::generateReferrerHeader(
params.referrer.policy,
params.url,
WebString::fromUTF8(params.referrer.url.spec()));
if (!referrer.isEmpty())
request.setHTTPHeaderField(WebString::fromUTF8("Referer"), referrer);
}
if (!params.extra_headers.empty()) {
for (net::HttpUtil::HeadersIterator i(params.extra_headers.begin(),
params.extra_headers.end(), "\n");
i.GetNext(); ) {
request.addHTTPHeaderField(WebString::fromUTF8(i.name()),
WebString::fromUTF8(i.values()));
}
}
if (params.is_post) {
request.setHTTPMethod(WebString::fromUTF8("POST"));
// Set post data.
WebHTTPBody http_body;
http_body.initialize();
const char* data = NULL;
if (params.browser_initiated_post_data.size()) {
data = reinterpret_cast<const char*>(
¶ms.browser_initiated_post_data.front());
}
http_body.appendData(
WebData(data, params.browser_initiated_post_data.size()));
request.setHTTPBody(http_body);
}
frame->loadRequest(request);
// If this is a cross-process navigation, the browser process will send
// along the proper navigation start value.
if (!params.browser_navigation_start.is_null() &&
frame->provisionalDataSource()) {
// browser_navigation_start is likely before this process existed, so we
// can't use InterProcessTimeTicksConverter. Instead, the best we can do
// is just ensure we don't report a bogus value in the future.
base::TimeTicks navigation_start = std::min(
base::TimeTicks::Now(), params.browser_navigation_start);
double navigation_start_seconds =
(navigation_start - base::TimeTicks()).InSecondsF();
frame->provisionalDataSource()->setNavigationStartTime(
navigation_start_seconds);
}
}
// In case LoadRequest failed before DidCreateDataSource was called.
pending_navigation_params_.reset();
}
bool RenderViewImpl::IsBackForwardToStaleEntry(
const ViewMsg_Navigate_Params& params,
bool is_reload) {
// Make sure this isn't a back/forward to an entry we have already cropped
// or replaced from our history, before the browser knew about it. If so,
// a new navigation has committed in the mean time, and we can ignore this.
bool is_back_forward = !is_reload && params.page_state.IsValid();
// Note: if the history_list_length_ is 0 for a back/forward, we must be
// restoring from a previous session. We'll update our state in OnNavigate.
if (!is_back_forward || history_list_length_ <= 0)
return false;
DCHECK_EQ(static_cast<int>(history_page_ids_.size()), history_list_length_);
// Check for whether the forward history has been cropped due to a recent
// navigation the browser didn't know about.
if (params.pending_history_list_offset >= history_list_length_)
return true;
// Check for whether this entry has been replaced with a new one.
int expected_page_id =
history_page_ids_[params.pending_history_list_offset];
if (expected_page_id > 0 && params.page_id != expected_page_id) {
if (params.page_id < expected_page_id)
return true;
// Otherwise we've removed an earlier entry and should have shifted all
// entries left. For now, it's ok to lazily update the list.
// TODO(creis): Notify all live renderers when we remove entries from
// the front of the list, so that we don't hit this case.
history_page_ids_[params.pending_history_list_offset] = params.page_id;
}
return false;
}
// Stop loading the current page
void RenderViewImpl::OnStop() {
if (webview()) {
WebFrame* main_frame = webview()->mainFrame();
// Stop the alt error page fetcher. If we let it continue it may complete
// and cause RenderFrameHostManager to swap to this RenderView, even though
// it may no longer be active.
StopAltErrorPageFetcher(main_frame->provisionalDataSource());
StopAltErrorPageFetcher(main_frame->dataSource());
main_frame->stopLoading();
}
}
// Reload current focused frame.
// E.g. called by right-clicking on the frame and picking "reload this frame".
void RenderViewImpl::OnReloadFrame() {
if (webview() && webview()->focusedFrame()) {
// We always obey the cache (ignore_cache=false) here.
// TODO(evanm): perhaps we could allow shift-clicking the menu item to do
// a cache-ignoring reload of the frame.
webview()->focusedFrame()->reload(false);
}
}
void RenderViewImpl::OnCopyImageAt(int x, int y) {
webview()->copyImageAt(WebPoint(x, y));
}
void RenderViewImpl::OnUpdateTargetURLAck() {
// Check if there is a targeturl waiting to be sent.
if (target_url_status_ == TARGET_PENDING) {
Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_,
pending_target_url_));
}
target_url_status_ = TARGET_NONE;
}
void RenderViewImpl::OnCopy() {
if (!webview())
return;
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
WebNode current_node = context_menu_node_.isNull() ?
GetFocusedNode() : context_menu_node_;
webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Copy"),
current_node);
}
void RenderViewImpl::OnCut() {
if (!webview())
return;
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Cut"),
GetFocusedNode());
}
void RenderViewImpl::OnDelete() {
if (!webview())
return;
webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Delete"),
GetFocusedNode());
}
void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
const std::string& value) {
if (!webview() || !webview()->focusedFrame())
return;
webview()->focusedFrame()->executeCommand(
WebString::fromUTF8(name), WebString::fromUTF8(value));
}
void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
if (!webview())
return;
Send(new ViewHostMsg_MoveCaret_ACK(routing_id_));
webview()->focusedFrame()->moveCaretSelection(point);
}
void RenderViewImpl::OnPaste() {
if (!webview())
return;
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Paste"),
GetFocusedNode());
}
void RenderViewImpl::OnPasteAndMatchStyle() {
if (!webview())
return;
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
webview()->focusedFrame()->executeCommand(
WebString::fromUTF8("PasteAndMatchStyle"), GetFocusedNode());
}
void RenderViewImpl::OnRedo() {
if (!webview())
return;
webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Redo"),
GetFocusedNode());
}
void RenderViewImpl::OnReplace(const base::string16& text) {
if (!webview())
return;
WebFrame* frame = webview()->focusedFrame();
if (!frame->hasSelection())
frame->selectWordAroundCaret();
frame->replaceSelection(text);
}
void RenderViewImpl::OnReplaceMisspelling(const base::string16& text) {
if (!webview())
return;
WebFrame* frame = webview()->focusedFrame();
if (!frame->hasSelection())
return;
frame->replaceMisspelledRange(text);
}
void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
const gfx::Rect& rect) {
blink::WebNode node = GetFocusedNode();
if (!node.isNull()) {
if (IsEditableNode(node)) {
webview()->saveScrollAndScaleState();
webview()->scrollFocusedNodeIntoRect(rect);
}
}
}
void RenderViewImpl::OnSelectAll() {
if (!webview())
return;
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
webview()->focusedFrame()->executeCommand(
WebString::fromUTF8("SelectAll"), GetFocusedNode());
}
void RenderViewImpl::OnSelectRange(const gfx::Point& start,
const gfx::Point& end) {
if (!webview())
return;
Send(new ViewHostMsg_SelectRange_ACK(routing_id_));
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
webview()->focusedFrame()->selectRange(start, end);
}
void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
const EditCommands& edit_commands) {
edit_commands_ = edit_commands;
}
void RenderViewImpl::OnUndo() {
if (!webview())
return;
webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Undo"),
GetFocusedNode());
}
void RenderViewImpl::OnUnselect() {
if (!webview())
return;
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
GetFocusedNode());
}
#if defined(OS_MACOSX)
void RenderViewImpl::OnCopyToFindPboard() {
if (!webview())
return;
// Since the find pasteboard supports only plain text, this can be simpler
// than the |OnCopy()| case.
WebFrame* frame = webview()->focusedFrame();
if (frame->hasSelection()) {
base::string16 selection = frame->selectionAsText();
RenderThread::Get()->Send(
new ClipboardHostMsg_FindPboardWriteStringAsync(selection));
}
}
#endif
void RenderViewImpl::OnSetName(const std::string& name) {
if (!webview())
return;
webview()->mainFrame()->setName(WebString::fromUTF8(name));
}
void RenderViewImpl::OnSetEditableSelectionOffsets(int start, int end) {
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
if (!ShouldHandleImeEvent())
return;
ImeEventGuard guard(this);
webview()->setEditableSelectionOffsets(start, end);
}
void RenderViewImpl::OnSetCompositionFromExistingText(
int start, int end,
const std::vector<blink::WebCompositionUnderline>& underlines) {
if (!ShouldHandleImeEvent())
return;
ImeEventGuard guard(this);
webview()->setCompositionFromExistingText(start, end, underlines);
}
void RenderViewImpl::OnExtendSelectionAndDelete(int before, int after) {
if (!ShouldHandleImeEvent())
return;
ImeEventGuard guard(this);
webview()->extendSelectionAndDelete(before, after);
}
void RenderViewImpl::OnSetHistoryLengthAndPrune(int history_length,
int32 minimum_page_id) {
DCHECK_GE(history_length, 0);
DCHECK(history_list_offset_ == history_list_length_ - 1);
DCHECK_GE(minimum_page_id, -1);
// Generate the new list.
std::vector<int32> new_history_page_ids(history_length, -1);
for (size_t i = 0; i < history_page_ids_.size(); ++i) {
if (minimum_page_id >= 0 && history_page_ids_[i] < minimum_page_id)
continue;
new_history_page_ids.push_back(history_page_ids_[i]);
}
new_history_page_ids.swap(history_page_ids_);
// Update indexes.
history_list_length_ = history_page_ids_.size();
history_list_offset_ = history_list_length_ - 1;
}
void RenderViewImpl::OnSetInitialFocus(bool reverse) {
if (!webview())
return;
webview()->setInitialFocus(reverse);
}
#if defined(OS_MACOSX)
void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
if (!webview())
return;
if (in_live_resize)
webview()->willStartLiveResize();
else
webview()->willEndLiveResize();
}
#endif
#if defined(OS_ANDROID)
void RenderViewImpl::OnUndoScrollFocusedEditableNodeIntoRect() {
const WebNode node = GetFocusedNode();
if (!node.isNull() && IsEditableNode(node))
webview()->restoreScrollAndScaleState();
}
void RenderViewImpl::OnPauseVideo() {
// Inform RendererMediaPlayerManager to release all video player resources.
// If something is in progress the resource will not be freed, it will
// only be freed once the tab is destroyed or if the user navigates away
// via WebMediaPlayerAndroid::Destroy.
media_player_manager_->ReleaseVideoResources();
}
#endif
///////////////////////////////////////////////////////////////////////////////
// Tell the embedding application that the URL of the active page has changed
void RenderViewImpl::UpdateURL(WebFrame* frame) {
WebDataSource* ds = frame->dataSource();
DCHECK(ds);
const WebURLRequest& request = ds->request();
const WebURLRequest& original_request = ds->originalRequest();
const WebURLResponse& response = ds->response();
DocumentState* document_state = DocumentState::FromDataSource(ds);
NavigationState* navigation_state = document_state->navigation_state();
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDocumentState(document_state);
ViewHostMsg_FrameNavigate_Params params;
params.http_status_code = response.httpStatusCode();
params.is_post = false;
params.post_id = -1;
params.page_id = page_id_;
params.frame_id = frame->identifier();
params.frame_unique_name = frame->uniqueName();
params.socket_address.set_host(response.remoteIPAddress().utf8());
params.socket_address.set_port(response.remotePort());
WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
if (extra_data) {
params.was_fetched_via_proxy = extra_data->was_fetched_via_proxy();
}
params.was_within_same_page = navigation_state->was_within_same_page();
params.security_info = response.securityInfo();
// Set the URL to be displayed in the browser UI to the user.
params.url = GetLoadingUrl(frame);
DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL));
if (frame->document().baseURL() != params.url)
params.base_url = frame->document().baseURL();
GetRedirectChain(ds, ¶ms.redirects);
params.should_update_history = !ds->hasUnreachableURL() &&
!response.isMultipartPayload() && (response.httpStatusCode() != 404);
params.searchable_form_url = internal_data->searchable_form_url();
params.searchable_form_encoding = internal_data->searchable_form_encoding();
params.gesture = navigation_gesture_;
navigation_gesture_ = NavigationGestureUnknown;
// Make navigation state a part of the FrameNavigate message so that commited
// entry had it at all times.
WebHistoryItem item = frame->currentHistoryItem();
if (item.isNull()) {
item.initialize();
item.setURLString(request.url().spec().utf16());
}
params.page_state = HistoryItemToPageState(item);
if (!frame->parent()) {
// Top-level navigation.
// Reset the zoom limits in case a plugin had changed them previously. This
// will also call us back which will cause us to send a message to
// update WebContentsImpl.
webview()->zoomLimitsChanged(ZoomFactorToZoomLevel(kMinimumZoomFactor),
ZoomFactorToZoomLevel(kMaximumZoomFactor));
// Set zoom level, but don't do it for full-page plugin since they don't use
// the same zoom settings.
HostZoomLevels::iterator host_zoom =
host_zoom_levels_.find(GURL(request.url()));
if (webview()->mainFrame()->document().isPluginDocument()) {
// Reset the zoom levels for plugins.
webview()->setZoomLevel(0);
} else {
if (host_zoom != host_zoom_levels_.end())
webview()->setZoomLevel(host_zoom->second);
}
if (host_zoom != host_zoom_levels_.end()) {
// This zoom level was merely recorded transiently for this load. We can
// erase it now. If at some point we reload this page, the browser will
// send us a new, up-to-date zoom level.
host_zoom_levels_.erase(host_zoom);
}
// Update contents MIME type for main frame.
params.contents_mime_type = ds->response().mimeType().utf8();
params.transition = navigation_state->transition_type();
if (!PageTransitionIsMainFrame(params.transition)) {
// If the main frame does a load, it should not be reported as a subframe
// navigation. This can occur in the following case:
// 1. You're on a site with frames.
// 2. You do a subframe navigation. This is stored with transition type
// MANUAL_SUBFRAME.
// 3. You navigate to some non-frame site, say, google.com.
// 4. You navigate back to the page from step 2. Since it was initially
// MANUAL_SUBFRAME, it will be that same transition type here.
// We don't want that, because any navigation that changes the toplevel
// frame should be tracked as a toplevel navigation (this allows us to
// update the URL bar, etc).
params.transition = PAGE_TRANSITION_LINK;
}
// If the page contained a client redirect (meta refresh, document.loc...),
// set the referrer and transition appropriately.
if (ds->isClientRedirect()) {
params.referrer = Referrer(params.redirects[0],
GetReferrerPolicyFromRequest(frame, ds->request()));
params.transition = static_cast<PageTransition>(
params.transition | PAGE_TRANSITION_CLIENT_REDIRECT);
} else {
// Bug 654101: the referrer will be empty on https->http transitions. It
// would be nice if we could get the real referrer from somewhere.
params.referrer = GetReferrerFromRequest(frame, original_request);
}
base::string16 method = request.httpMethod();
if (EqualsASCII(method, "POST")) {
params.is_post = true;
params.post_id = ExtractPostId(item);
}
// Send the user agent override back.
params.is_overriding_user_agent = internal_data->is_overriding_user_agent();
// Track the URL of the original request. We use the first entry of the
// redirect chain if it exists because the chain may have started in another
// process.
params.original_request_url = GetOriginalRequestURL(ds);
params.history_list_was_cleared =
navigation_state->history_list_was_cleared();
// Save some histogram data so we can compute the average memory used per
// page load of the glyphs.
UMA_HISTOGRAM_COUNTS_10000("Memory.GlyphPagesPerLoad",
blink::WebGlyphCache::pageCount());
// This message needs to be sent before any of allowScripts(),
// allowImages(), allowPlugins() is called for the new page, so that when
// these functions send a ViewHostMsg_ContentBlocked message, it arrives
// after the ViewHostMsg_FrameNavigate message.
Send(new ViewHostMsg_FrameNavigate(routing_id_, params));
} else {
// Subframe navigation: the type depends on whether this navigation
// generated a new session history entry. When they do generate a session
// history entry, it means the user initiated the navigation and we should
// mark it as such. This test checks if this is the first time UpdateURL
// has been called since WillNavigateToURL was called to initiate the load.
if (page_id_ > last_page_id_sent_to_browser_)
params.transition = PAGE_TRANSITION_MANUAL_SUBFRAME;
else
params.transition = PAGE_TRANSITION_AUTO_SUBFRAME;
DCHECK(!navigation_state->history_list_was_cleared());
params.history_list_was_cleared = false;
Send(new ViewHostMsg_FrameNavigate(routing_id_, params));
}
last_page_id_sent_to_browser_ =
std::max(last_page_id_sent_to_browser_, page_id_);
// If we end up reusing this WebRequest (for example, due to a #ref click),
// we don't want the transition type to persist. Just clear it.
navigation_state->set_transition_type(PAGE_TRANSITION_LINK);
}
// Tell the embedding application that the title of the active page has changed
void RenderViewImpl::UpdateTitle(WebFrame* frame,
const base::string16& title,
WebTextDirection title_direction) {
// Ignore all but top level navigations.
if (frame->parent())
return;
base::debug::TraceLog::GetInstance()->UpdateProcessLabel(
routing_id_, UTF16ToUTF8(title));
base::string16 shortened_title = title.substr(0, kMaxTitleChars);
Send(new ViewHostMsg_UpdateTitle(routing_id_, page_id_, shortened_title,
title_direction));
}
void RenderViewImpl::UpdateEncoding(WebFrame* frame,
const std::string& encoding_name) {
// Only update main frame's encoding_name.
if (webview()->mainFrame() == frame &&
last_encoding_name_ != encoding_name) {
// Save the encoding name for later comparing.
last_encoding_name_ = encoding_name;
Send(new ViewHostMsg_UpdateEncoding(routing_id_, last_encoding_name_));
}
}
// Sends the last committed session history state to the browser so it will be
// saved before we navigate to a new page. This must be called *before* the
// page ID has been updated so we know what it was.
void RenderViewImpl::UpdateSessionHistory(WebFrame* frame) {
// If we have a valid page ID at this point, then it corresponds to the page
// we are navigating away from. Otherwise, this is the first navigation, so
// there is no past session history to record.
if (page_id_ == -1)
return;
const WebHistoryItem& item =
webview()->mainFrame()->previousHistoryItem();
SendUpdateState(item);
}
void RenderViewImpl::SendUpdateState(const WebHistoryItem& item) {
if (item.isNull())
return;
// Don't send state updates for kSwappedOutURL.
if (item.urlString() == WebString::fromUTF8(kSwappedOutURL))
return;
Send(new ViewHostMsg_UpdateState(
routing_id_, page_id_, HistoryItemToPageState(item)));
}
void RenderViewImpl::OpenURL(WebFrame* frame,
const GURL& url,
const Referrer& referrer,
WebNavigationPolicy policy) {
ViewHostMsg_OpenURL_Params params;
params.url = url;
params.referrer = referrer;
params.disposition = NavigationPolicyToDisposition(policy);
params.frame_id = frame->identifier();
WebDataSource* ds = frame->provisionalDataSource();
if (ds) {
DocumentState* document_state = DocumentState::FromDataSource(ds);
NavigationState* navigation_state = document_state->navigation_state();
if (navigation_state->is_content_initiated()) {
params.should_replace_current_entry = ds->replacesCurrentHistoryItem();
} else {
// This is necessary to preserve the should_replace_current_entry value on
// cross-process redirects, in the event it was set by a previous process.
//
// TODO(davidben): Avoid this awkward duplication of state. See comment on
// NavigationState::should_replace_current_entry().
params.should_replace_current_entry =
navigation_state->should_replace_current_entry();
}
} else {
params.should_replace_current_entry = false;
}
params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
if (GetContentClient()->renderer()->AllowPopup())
params.user_gesture = true;
if (policy == blink::WebNavigationPolicyNewBackgroundTab ||
policy == blink::WebNavigationPolicyNewForegroundTab ||
policy == blink::WebNavigationPolicyNewWindow ||
policy == blink::WebNavigationPolicyNewPopup) {
WebUserGestureIndicator::consumeUserGesture();
}
Send(new ViewHostMsg_OpenURL(routing_id_, params));
}
// WebViewDelegate ------------------------------------------------------------
void RenderViewImpl::LoadNavigationErrorPage(
WebFrame* frame,
const WebURLRequest& failed_request,
const WebURLError& error,
const std::string& html,
bool replace) {
std::string alt_html;
const std::string* error_html;
if (!html.empty()) {
error_html = &html;
} else {
GetContentClient()->renderer()->GetNavigationErrorStrings(
frame, failed_request, error, renderer_preferences_.accept_languages,
&alt_html, NULL);
error_html = &alt_html;
}
frame->loadHTMLString(*error_html,
GURL(kUnreachableWebDataURL),
error.unreachableURL,
replace);
}
bool RenderViewImpl::RunJavaScriptMessage(JavaScriptMessageType type,
const base::string16& message,
const base::string16& default_value,
const GURL& frame_url,
base::string16* result) {
// Don't allow further dialogs if we are waiting to swap out, since the
// PageGroupLoadDeferrer in our stack prevents it.
if (suppress_dialogs_until_swap_out_)
return false;
bool success = false;
base::string16 result_temp;
if (!result)
result = &result_temp;
SendAndRunNestedMessageLoop(new ViewHostMsg_RunJavaScriptMessage(
routing_id_, message, default_value, frame_url, type, &success, result));
return success;
}
bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
// Before WebKit asks us to show an alert (etc.), it takes care of doing the
// equivalent of WebView::willEnterModalLoop. In the case of showModalDialog
// it is particularly important that we do not call willEnterModalLoop as
// that would defer resource loads for the dialog itself.
if (RenderThreadImpl::current()) // Will be NULL during unit tests.
RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
message->EnableMessagePumping(); // Runs a nested message loop.
return Send(message);
}
void RenderViewImpl::GetWindowSnapshot(const WindowSnapshotCallback& callback) {
int id = next_snapshot_id_++;
pending_snapshots_.insert(std::make_pair(id, callback));
ui::LatencyInfo latency_info;
latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
GetLatencyComponentId(),
id);
scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
if (RenderWidgetCompositor* rwc = compositor()) {
latency_info_swap_promise_monitor =
rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
} else {
latency_info_.MergeWith(latency_info);
}
ScheduleCompositeWithForcedRedraw();
}
void RenderViewImpl::OnWindowSnapshotCompleted(const int snapshot_id,
const gfx::Size& size, const std::vector<unsigned char>& png) {
// Any pending snapshots with a lower ID than the one received are considered
// to be implicitly complete, and returned the same snapshot data.
PendingSnapshotMap::iterator it = pending_snapshots_.begin();
while(it != pending_snapshots_.end()) {
if (it->first <= snapshot_id) {
it->second.Run(size, png);
pending_snapshots_.erase(it++);
} else {
++it;
}
}
}
// blink::WebViewClient ------------------------------------------------------
WebView* RenderViewImpl::createView(
WebFrame* creator,
const WebURLRequest& request,
const WebWindowFeatures& features,
const WebString& frame_name,
WebNavigationPolicy policy,
bool suppress_opener) {
ViewHostMsg_CreateWindow_Params params;
params.opener_id = routing_id_;
params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
if (GetContentClient()->renderer()->AllowPopup())
params.user_gesture = true;
params.window_container_type = WindowFeaturesToContainerType(features);
params.session_storage_namespace_id = session_storage_namespace_id_;
if (frame_name != "_blank")
params.frame_name = frame_name;
params.opener_frame_id = creator->identifier();
params.opener_url = creator->document().url();
params.opener_top_level_frame_url = creator->top()->document().url();
GURL security_url(creator->document().securityOrigin().toString().utf8());
if (!security_url.is_valid())
security_url = GURL();
params.opener_security_origin = security_url;
params.opener_suppressed = suppress_opener;
params.disposition = NavigationPolicyToDisposition(policy);
if (!request.isNull()) {
params.target_url = request.url();
params.referrer = GetReferrerFromRequest(creator, request);
}
params.features = features;
for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
params.additional_features.push_back(features.additionalFeatures[i]);
int32 routing_id = MSG_ROUTING_NONE;
int32 main_frame_routing_id = MSG_ROUTING_NONE;
int32 surface_id = 0;
int64 cloned_session_storage_namespace_id;
RenderThread::Get()->Send(
new ViewHostMsg_CreateWindow(params,
&routing_id,
&main_frame_routing_id,
&surface_id,
&cloned_session_storage_namespace_id));
if (routing_id == MSG_ROUTING_NONE)
return NULL;
WebUserGestureIndicator::consumeUserGesture();
WebPreferences transferred_preferences = webkit_preferences_;
// Unless accelerated compositing has been explicitly disabled from the
// command line (e.g. via the blacklist or about:flags) re-enable it for
// new views that get spawned by this view. This gets around the issue that
// background extension pages disable accelerated compositing via web prefs
// but can themselves spawn a visible render view which should be allowed
// use gpu acceleration.
if (!webkit_preferences_.accelerated_compositing_enabled) {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (!command_line.HasSwitch(switches::kDisableAcceleratedCompositing))
transferred_preferences.accelerated_compositing_enabled = true;
}
// The initial hidden state for the RenderViewImpl here has to match what the
// browser will eventually decide for the given disposition. Since we have to
// return from this call synchronously, we just have to make our best guess
// and rely on the browser sending a WasHidden / WasShown message if it
// disagrees.
RenderViewImpl* view = RenderViewImpl::Create(
routing_id_,
renderer_preferences_,
transferred_preferences,
routing_id,
main_frame_routing_id,
surface_id,
cloned_session_storage_namespace_id,
base::string16(), // WebCore will take care of setting the correct name.
true, // is_renderer_created
false, // swapped_out
params.disposition == NEW_BACKGROUND_TAB, // hidden
1, // next_page_id
screen_info_,
accessibility_mode_,
allow_partial_swap_);
view->opened_by_user_gesture_ = params.user_gesture;
// Record whether the creator frame is trying to suppress the opener field.
view->opener_suppressed_ = params.opener_suppressed;
// Copy over the alternate error page URL so we can have alt error pages in
// the new render view (we don't need the browser to send the URL back down).
view->alternate_error_page_url_ = alternate_error_page_url_;
return view->webview();
}
WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
RenderWidget* widget =
RenderWidget::Create(routing_id_, popup_type, screen_info_);
if (screen_metrics_emulator_) {
widget->SetPopupOriginAdjustmentsForEmulation(
screen_metrics_emulator_.get());
}
return widget->webwidget();
}
WebExternalPopupMenu* RenderViewImpl::createExternalPopupMenu(
const WebPopupMenuInfo& popup_menu_info,
WebExternalPopupMenuClient* popup_menu_client) {
// An IPC message is sent to the browser to build and display the actual
// popup. The user could have time to click a different select by the time
// the popup is shown. In that case external_popup_menu_ is non NULL.
// By returning NULL in that case, we instruct WebKit to cancel that new
// popup. So from the user perspective, only the first one will show, and
// will have to close the first one before another one can be shown.
if (external_popup_menu_)
return NULL;
external_popup_menu_.reset(
new ExternalPopupMenu(this, popup_menu_info, popup_menu_client));
if (screen_metrics_emulator_) {
SetExternalPopupOriginAdjustmentsForEmulation(
external_popup_menu_.get(), screen_metrics_emulator_.get());
}
return external_popup_menu_.get();
}
WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
return new WebStorageNamespaceImpl(session_storage_namespace_id_);
}
bool RenderViewImpl::shouldReportDetailedMessageForSource(
const WebString& source) {
return GetContentClient()->renderer()->ShouldReportDetailedMessageForSource(
source);
}
void RenderViewImpl::didAddMessageToConsole(
const WebConsoleMessage& message, const WebString& source_name,
unsigned source_line, const WebString& stack_trace) {
logging::LogSeverity log_severity = logging::LOG_VERBOSE;
switch (message.level) {
case WebConsoleMessage::LevelDebug:
log_severity = logging::LOG_VERBOSE;
break;
case WebConsoleMessage::LevelLog:
case WebConsoleMessage::LevelInfo:
log_severity = logging::LOG_INFO;
break;
case WebConsoleMessage::LevelWarning:
log_severity = logging::LOG_WARNING;
break;
case WebConsoleMessage::LevelError:
log_severity = logging::LOG_ERROR;
break;
default:
NOTREACHED();
}
if (shouldReportDetailedMessageForSource(source_name)) {
FOR_EACH_OBSERVER(
RenderViewObserver,
observers_,
DetailedConsoleMessageAdded(message.text,
source_name,
stack_trace,
source_line,
static_cast<int32>(log_severity)));
}
Send(new ViewHostMsg_AddMessageToConsole(routing_id_,
static_cast<int32>(log_severity),
message.text,
static_cast<int32>(source_line),
source_name));
}
void RenderViewImpl::printPage(WebFrame* frame) {
FOR_EACH_OBSERVER(RenderViewObserver, observers_,
PrintPage(frame, handling_input_event_));
}
blink::WebNotificationPresenter* RenderViewImpl::notificationPresenter() {
return notification_provider_;
}
bool RenderViewImpl::enumerateChosenDirectory(
const WebString& path,
WebFileChooserCompletion* chooser_completion) {
int id = enumeration_completion_id_++;
enumeration_completions_[id] = chooser_completion;
return Send(new ViewHostMsg_EnumerateDirectory(
routing_id_,
id,
base::FilePath::FromUTF16Unsafe(path)));
}
void RenderViewImpl::initializeHelperPluginWebFrame(
blink::WebHelperPlugin* plugin) {
plugin->initializeFrame(main_render_frame_.get());
}
void RenderViewImpl::didStartLoading() {
if (is_loading_) {
DVLOG(1) << "didStartLoading called while loading";
return;
}
is_loading_ = true;
Send(new ViewHostMsg_DidStartLoading(routing_id_));
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
}
void RenderViewImpl::didStopLoading() {
if (!is_loading_) {
DVLOG(1) << "DidStopLoading called while not loading";
return;
}
is_loading_ = false;
// NOTE: For now we're doing the safest thing, and sending out notification
// when done loading. This currently isn't an issue as the favicon is only
// displayed when done loading. Ideally we would send notification when
// finished parsing the head, but webkit doesn't support that yet.
// The feed discovery code would also benefit from access to the head.
Send(new ViewHostMsg_DidStopLoading(routing_id_));
if (load_progress_tracker_ != NULL)
load_progress_tracker_->DidStopLoading();
DidStopLoadingIcons();
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
}
void RenderViewImpl::didChangeLoadProgress(WebFrame* frame,
double load_progress) {
if (load_progress_tracker_ != NULL)
load_progress_tracker_->DidChangeLoadProgress(frame, load_progress);
}
void RenderViewImpl::didCancelCompositionOnSelectionChange() {
Send(new ViewHostMsg_ImeCancelComposition(routing_id()));
}
void RenderViewImpl::didChangeSelection(bool is_empty_selection) {
if (!handling_input_event_ && !handling_select_range_)
return;
if (is_empty_selection)
selection_text_.clear();
// UpdateTextInputType should be called before SyncSelectionIfRequired.
// UpdateTextInputType may send TextInputTypeChanged to notify the focus
// was changed, and SyncSelectionIfRequired may send SelectionChanged
// to notify the selection was changed. Focus change should be notified
// before selection change.
UpdateTextInputType();
SyncSelectionIfRequired();
#if defined(OS_ANDROID)
UpdateTextInputState(false, true);
#endif
}
void RenderViewImpl::didExecuteCommand(const WebString& command_name) {
const std::string& name = UTF16ToUTF8(command_name);
if (StartsWithASCII(name, "Move", true) ||
StartsWithASCII(name, "Insert", true) ||
StartsWithASCII(name, "Delete", true))
return;
RenderThreadImpl::current()->RecordComputedAction(name);
}
bool RenderViewImpl::handleCurrentKeyboardEvent() {
if (edit_commands_.empty())
return false;
WebFrame* frame = webview()->focusedFrame();
if (!frame)
return false;
EditCommands::iterator it = edit_commands_.begin();
EditCommands::iterator end = edit_commands_.end();
bool did_execute_command = false;
for (; it != end; ++it) {
// In gtk and cocoa, it's possible to bind multiple edit commands to one
// key (but it's the exception). Once one edit command is not executed, it
// seems safest to not execute the rest.
if (!frame->executeCommand(WebString::fromUTF8(it->name),
WebString::fromUTF8(it->value),
GetFocusedNode()))
break;
did_execute_command = true;
}
return did_execute_command;
}
blink::WebColorChooser* RenderViewImpl::createColorChooser(
blink::WebColorChooserClient* client,
const blink::WebColor& initial_color,
const blink::WebVector<blink::WebColorSuggestion>& suggestions) {
RendererWebColorChooserImpl* color_chooser =
new RendererWebColorChooserImpl(this, client);
std::vector<content::ColorSuggestion> color_suggestions;
for (size_t i = 0; i < suggestions.size(); i++) {
color_suggestions.push_back(content::ColorSuggestion(suggestions[i]));
}
color_chooser->Open(static_cast<SkColor>(initial_color), color_suggestions);
return color_chooser;
}
bool RenderViewImpl::runFileChooser(
const blink::WebFileChooserParams& params,
WebFileChooserCompletion* chooser_completion) {
// Do not open the file dialog in a hidden RenderView.
if (is_hidden())
return false;
FileChooserParams ipc_params;
if (params.directory)
ipc_params.mode = FileChooserParams::UploadFolder;
else if (params.multiSelect)
ipc_params.mode = FileChooserParams::OpenMultiple;
else if (params.saveAs)
ipc_params.mode = FileChooserParams::Save;
else
ipc_params.mode = FileChooserParams::Open;
ipc_params.title = params.title;
ipc_params.default_file_name =
base::FilePath::FromUTF16Unsafe(params.initialValue);
ipc_params.accept_types.reserve(params.acceptTypes.size());
for (size_t i = 0; i < params.acceptTypes.size(); ++i)
ipc_params.accept_types.push_back(params.acceptTypes[i]);
#if defined(OS_ANDROID)
ipc_params.capture = params.useMediaCapture;
#endif
return ScheduleFileChooser(ipc_params, chooser_completion);
}
void RenderViewImpl::runModalAlertDialog(WebFrame* frame,
const WebString& message) {
RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_ALERT,
message,
base::string16(),
frame->document().url(),
NULL);
}
bool RenderViewImpl::runModalConfirmDialog(WebFrame* frame,
const WebString& message) {
return RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
message,
base::string16(),
frame->document().url(),
NULL);
}
bool RenderViewImpl::runModalPromptDialog(WebFrame* frame,
const WebString& message,
const WebString& default_value,
WebString* actual_value) {
base::string16 result;
bool ok = RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_PROMPT,
message,
default_value,
frame->document().url(),
&result);
if (ok)
actual_value->assign(result);
return ok;
}
bool RenderViewImpl::runModalBeforeUnloadDialog(
WebFrame* frame, const WebString& message) {
bool is_reload = false;
WebDataSource* ds = frame->provisionalDataSource();
if (ds)
is_reload = (ds->navigationType() == blink::WebNavigationTypeReload);
return runModalBeforeUnloadDialog(frame, is_reload, message);
}
bool RenderViewImpl::runModalBeforeUnloadDialog(
WebFrame* frame, bool is_reload, const WebString& message) {
// If we are swapping out, we have already run the beforeunload handler.
// TODO(creis): Fix OnSwapOut to clear the frame without running beforeunload
// at all, to avoid running it twice.
if (is_swapped_out_)
return true;
// Don't allow further dialogs if we are waiting to swap out, since the
// PageGroupLoadDeferrer in our stack prevents it.
if (suppress_dialogs_until_swap_out_)
return false;
bool success = false;
// This is an ignored return value, but is included so we can accept the same
// response as RunJavaScriptMessage.
base::string16 ignored_result;
SendAndRunNestedMessageLoop(new ViewHostMsg_RunBeforeUnloadConfirm(
routing_id_, frame->document().url(), message, is_reload,
&success, &ignored_result));
return success;
}
void RenderViewImpl::showValidationMessage(
const blink::WebRect& anchor_in_root_view,
const blink::WebString& main_text,
const blink::WebString& sub_text,
blink::WebTextDirection hint) {
base::string16 wrapped_main_text = main_text;
base::string16 wrapped_sub_text = sub_text;
if (hint == blink::WebTextDirectionLeftToRight) {
wrapped_main_text =
base::i18n::GetDisplayStringInLTRDirectionality(wrapped_main_text);
if (!wrapped_sub_text.empty()) {
wrapped_sub_text =
base::i18n::GetDisplayStringInLTRDirectionality(wrapped_sub_text);
}
} else if (hint == blink::WebTextDirectionRightToLeft
&& !base::i18n::IsRTL()) {
base::i18n::WrapStringWithRTLFormatting(&wrapped_main_text);
if (!wrapped_sub_text.empty()) {
base::i18n::WrapStringWithRTLFormatting(&wrapped_sub_text);
}
}
Send(new ViewHostMsg_ShowValidationMessage(
routing_id(), anchor_in_root_view, wrapped_main_text, wrapped_sub_text));
}
void RenderViewImpl::hideValidationMessage() {
Send(new ViewHostMsg_HideValidationMessage(routing_id()));
}
void RenderViewImpl::moveValidationMessage(
const blink::WebRect& anchor_in_root_view) {
Send(new ViewHostMsg_MoveValidationMessage(routing_id(),
anchor_in_root_view));
}
void RenderViewImpl::showContextMenu(
WebFrame* frame, const WebContextMenuData& data) {
ContextMenuParams params = ContextMenuParamsBuilder::Build(data);
params.source_type = context_menu_source_type_;
if (context_menu_source_type_ == ui::MENU_SOURCE_TOUCH_EDIT_MENU) {
params.x = touch_editing_context_menu_location_.x();
params.y = touch_editing_context_menu_location_.y();
}
OnShowHostContextMenu(¶ms);
// Plugins, e.g. PDF, don't currently update the render view when their
// selected text changes, but the context menu params do contain the updated
// selection. If that's the case, update the render view's state just prior
// to showing the context menu.
// TODO(asvitkine): http://crbug.com/152432
if (ShouldUpdateSelectionTextFromContextMenuParams(selection_text_,
selection_text_offset_,
selection_range_,
params)) {
selection_text_ = params.selection_text;
// TODO(asvitkine): Text offset and range is not available in this case.
selection_text_offset_ = 0;
selection_range_ = gfx::Range(0, selection_text_.length());
Send(new ViewHostMsg_SelectionChanged(routing_id_,
selection_text_,
selection_text_offset_,
selection_range_));
}
// frame is NULL if invoked by BlockedPlugin.
if (frame)
params.frame_id = frame->identifier();
// Serializing a GURL longer than kMaxURLChars will fail, so don't do
// it. We replace it with an empty GURL so the appropriate items are disabled
// in the context menu.
// TODO(jcivelli): http://crbug.com/45160 This prevents us from saving large
// data encoded images. We should have a way to save them.
if (params.src_url.spec().size() > GetMaxURLChars())
params.src_url = GURL();
context_menu_node_ = data.node;
#if defined(OS_ANDROID)
gfx::Rect start_rect;
gfx::Rect end_rect;
GetSelectionBounds(&start_rect, &end_rect);
params.selection_start = gfx::Point(start_rect.x(), start_rect.bottom());
params.selection_end = gfx::Point(end_rect.right(), end_rect.bottom());
#endif
Send(new ViewHostMsg_ContextMenu(routing_id_, params));
FOR_EACH_OBSERVER(
RenderViewObserver, observers_, DidRequestShowContextMenu(frame, data));
}
void RenderViewImpl::clearContextMenu() {
context_menu_node_.reset();
}
void RenderViewImpl::setStatusText(const WebString& text) {
}
void RenderViewImpl::UpdateTargetURL(const GURL& url,
const GURL& fallback_url) {
GURL latest_url = url.is_empty() ? fallback_url : url;
if (latest_url == target_url_)
return;
// Tell the browser to display a destination link.
if (target_url_status_ == TARGET_INFLIGHT ||
target_url_status_ == TARGET_PENDING) {
// If we have a request in-flight, save the URL to be sent when we
// receive an ACK to the in-flight request. We can happily overwrite
// any existing pending sends.
pending_target_url_ = latest_url;
target_url_status_ = TARGET_PENDING;
} else {
// URLs larger than |MaxURLChars()| cannot be sent through IPC -
// see |ParamTraits<GURL>|.
if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
latest_url = GURL();
Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_, latest_url));
target_url_ = latest_url;
target_url_status_ = TARGET_INFLIGHT;
}
}
gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
const gfx::RectF& rect) const {
gfx::RectF window_rect = rect;
window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
return window_rect;
}
int64 RenderViewImpl::GetLatencyComponentId() {
// Note: this must match the logic in RenderWidgetHostImpl.
return GetRoutingID() | (static_cast<int64>(
RenderThreadImpl::current()->renderer_process_id()) << 32);
}
void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
// No need to update state if no page has committed yet.
if (page_id_ == -1)
return;
int delay;
if (send_content_state_immediately_)
delay = 0;
else if (is_hidden())
delay = kDelaySecondsForContentStateSyncHidden;
else
delay = kDelaySecondsForContentStateSync;
if (nav_state_sync_timer_.IsRunning()) {
// The timer is already running. If the delay of the timer maches the amount
// we want to delay by, then return. Otherwise stop the timer so that it
// gets started with the right delay.
if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
return;
nav_state_sync_timer_.Stop();
}
nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
&RenderViewImpl::SyncNavigationState);
}
void RenderViewImpl::setMouseOverURL(const WebURL& url) {
mouse_over_url_ = GURL(url);
UpdateTargetURL(mouse_over_url_, focus_url_);
}
void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
focus_url_ = GURL(url);
UpdateTargetURL(focus_url_, mouse_over_url_);
}
void RenderViewImpl::startDragging(WebFrame* frame,
const WebDragData& data,
WebDragOperationsMask mask,
const WebImage& image,
const WebPoint& webImageOffset) {
DropData drop_data(DropDataBuilder::Build(data));
drop_data.referrer_policy = frame->document().referrerPolicy();
gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
Send(new DragHostMsg_StartDragging(routing_id_,
drop_data,
mask,
image.getSkBitmap(),
imageOffset,
possible_drag_event_info_));
}
bool RenderViewImpl::acceptsLoadDrops() {
return renderer_preferences_.can_accept_load_drops;
}
void RenderViewImpl::focusNext() {
Send(new ViewHostMsg_TakeFocus(routing_id_, false));
}
void RenderViewImpl::focusPrevious() {
Send(new ViewHostMsg_TakeFocus(routing_id_, true));
}
void RenderViewImpl::focusedNodeChanged(const WebNode& node) {
Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(node)));
FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(node));
}
void RenderViewImpl::numberOfWheelEventHandlersChanged(unsigned num_handlers) {
Send(new ViewHostMsg_DidChangeNumWheelEvents(routing_id_, num_handlers));
}
void RenderViewImpl::didUpdateLayout() {
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
// We don't always want to set up a timer, only if we've been put in that
// mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
// message.
if (!send_preferred_size_changes_ || !webview())
return;
if (check_preferred_size_timer_.IsRunning())
return;
check_preferred_size_timer_.Start(FROM_HERE,
TimeDelta::FromMilliseconds(0), this,
&RenderViewImpl::CheckPreferredSize);
}
void RenderViewImpl::navigateBackForwardSoon(int offset) {
Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
}
int RenderViewImpl::historyBackListCount() {
return history_list_offset_ < 0 ? 0 : history_list_offset_;
}
int RenderViewImpl::historyForwardListCount() {
return history_list_length_ - historyBackListCount() - 1;
}
void RenderViewImpl::postAccessibilityEvent(
const WebAXObject& obj, blink::WebAXEvent event) {
if (renderer_accessibility_) {
renderer_accessibility_->HandleWebAccessibilityEvent(obj, event);
}
}
void RenderViewImpl::didUpdateInspectorSetting(const WebString& key,
const WebString& value) {
Send(new ViewHostMsg_UpdateInspectorSetting(routing_id_,
key.utf8(),
value.utf8()));
}
// blink::WebWidgetClient ----------------------------------------------------
void RenderViewImpl::didFocus() {
// TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
// we won't have to test for user gesture anymore and we can
// move that code back to render_widget.cc
if (WebUserGestureIndicator::isProcessingUserGesture() &&
!RenderThreadImpl::current()->layout_test_mode()) {
Send(new ViewHostMsg_Focus(routing_id_));
}
}
void RenderViewImpl::didBlur() {
// TODO(jcivelli): see TODO above in didFocus().
if (WebUserGestureIndicator::isProcessingUserGesture() &&
!RenderThreadImpl::current()->layout_test_mode()) {
Send(new ViewHostMsg_Blur(routing_id_));
}
}
// We are supposed to get a single call to Show for a newly created RenderView
// that was created via RenderViewImpl::CreateWebView. So, we wait until this
// point to dispatch the ShowView message.
//
// This method provides us with the information about how to display the newly
// created RenderView (i.e., as a blocked popup or as a new tab).
//
void RenderViewImpl::show(WebNavigationPolicy policy) {
if (did_show_) {
// When supports_multiple_windows is disabled, popups are reusing
// the same view. In some scenarios, this makes WebKit to call show() twice.
if (webkit_preferences_.supports_multiple_windows)
NOTREACHED() << "received extraneous Show call";
return;
}
did_show_ = true;
DCHECK(opener_id_ != MSG_ROUTING_NONE);
// Force new windows to a popup if they were not opened with a user gesture.
if (!opened_by_user_gesture_) {
// We exempt background tabs for compat with older versions of Chrome.
// TODO(darin): This seems bogus. These should have a user gesture, so
// we probably don't need this check.
if (policy != blink::WebNavigationPolicyNewBackgroundTab)
policy = blink::WebNavigationPolicyNewPopup;
}
// NOTE: initial_pos_ may still have its default values at this point, but
// that's okay. It'll be ignored if disposition is not NEW_POPUP, or the
// browser process will impose a default position otherwise.
Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
NavigationPolicyToDisposition(policy), initial_pos_,
opened_by_user_gesture_));
SetPendingWindowRect(initial_pos_);
}
void RenderViewImpl::runModal() {
DCHECK(did_show_) << "should already have shown the view";
// Don't allow further dialogs if we are waiting to swap out, since the
// PageGroupLoadDeferrer in our stack prevents it.
if (suppress_dialogs_until_swap_out_)
return;
// We must keep WebKit's shared timer running in this case in order to allow
// showModalDialog to function properly.
//
// TODO(darin): WebKit should really be smarter about suppressing events and
// timers so that we do not need to manage the shared timer in such a heavy
// handed manner.
//
if (RenderThreadImpl::current()) // Will be NULL during unit tests.
RenderThreadImpl::current()->DoNotSuspendWebKitSharedTimer();
SendAndRunNestedMessageLoop(new ViewHostMsg_RunModal(
routing_id_, opener_id_));
}
bool RenderViewImpl::enterFullScreen() {
Send(new ViewHostMsg_ToggleFullscreen(routing_id_, true));
return true;
}
void RenderViewImpl::exitFullScreen() {
Send(new ViewHostMsg_ToggleFullscreen(routing_id_, false));
}
bool RenderViewImpl::requestPointerLock() {
return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
}
void RenderViewImpl::requestPointerUnlock() {
mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
}
bool RenderViewImpl::isPointerLocked() {
return mouse_lock_dispatcher_->IsMouseLockedTo(
webwidget_mouse_lock_target_.get());
}
void RenderViewImpl::didActivateCompositor(int input_handler_identifier) {
#if !defined(OS_MACOSX) // many events are unhandled - http://crbug.com/138003
InputHandlerManager* input_handler_manager =
RenderThreadImpl::current()->input_handler_manager();
if (input_handler_manager) {
input_handler_manager->AddInputHandler(
routing_id_,
compositor_->GetInputHandler(),
AsWeakPtr());
}
#endif
RenderWidget::didActivateCompositor(input_handler_identifier);
}
void RenderViewImpl::didHandleGestureEvent(
const WebGestureEvent& event,
bool event_cancelled) {
RenderWidget::didHandleGestureEvent(event, event_cancelled);
if (event.type != blink::WebGestureEvent::GestureTap)
return;
blink::WebTextInputType text_input_type =
GetWebView()->textInputInfo().type;
Send(new ViewHostMsg_FocusedNodeTouched(
routing_id(), text_input_type != blink::WebTextInputTypeNone));
}
void RenderViewImpl::initializeLayerTreeView() {
RenderWidget::initializeLayerTreeView();
RenderWidgetCompositor* rwc = compositor();
if (!rwc || !webview() || !webview()->devToolsAgent())
return;
webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId());
}
// blink::WebFrameClient -----------------------------------------------------
WebMediaPlayer* RenderViewImpl::createMediaPlayer(
WebFrame* frame, const blink::WebURL& url, WebMediaPlayerClient* client) {
NOTREACHED();
return NULL;
}
blink::WebMediaPlayer* RenderViewImpl::CreateMediaPlayer(
RenderFrame* render_frame,
blink::WebFrame* frame,
const blink::WebURL& url,
blink::WebMediaPlayerClient* client) {
FOR_EACH_OBSERVER(
RenderViewObserver, observers_, WillCreateMediaPlayer(frame, client));
WebMediaPlayer* player = CreateWebMediaPlayerForMediaStream(frame, url,
client);
if (player)
return player;
#if defined(OS_ANDROID)
return CreateAndroidWebMediaPlayer(frame, url, client);
#else
scoped_refptr<media::AudioRendererSink> sink;
if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableAudio)) {
sink = RenderThreadImpl::current()->GetAudioRendererMixerManager()->
CreateInput(routing_id_);
DVLOG(1) << "Using AudioRendererMixerManager-provided sink: " << sink.get();
}
WebMediaPlayerParams params(
RenderThreadImpl::current()->GetMediaThreadMessageLoopProxy(),
base::Bind(&ContentRendererClient::DeferMediaLoad,
base::Unretained(GetContentClient()->renderer()),
static_cast<RenderFrame*>(render_frame)),
sink,
RenderThreadImpl::current()->GetGpuFactories(),
new RenderMediaLog());
return new WebMediaPlayerImpl(this, frame, client, AsWeakPtr(), params);
#endif // defined(OS_ANDROID)
}
WebCookieJar* RenderViewImpl::cookieJar(WebFrame* frame) {
return &cookie_jar_;
}
void RenderViewImpl::didAccessInitialDocument(WebFrame* frame) {
// Notify the browser process that it is no longer safe to show the pending
// URL of the main frame, since a URL spoof is now possible.
if (!frame->parent() && page_id_ == -1)
Send(new ViewHostMsg_DidAccessInitialDocument(routing_id_));
}
void RenderViewImpl::didDisownOpener(blink::WebFrame* frame) {
// We only need to notify the browser if the active, top-level frame clears
// its opener. We can ignore cases where a swapped out frame clears its
// opener after hearing about it from the browser, and the browser does not
// (yet) care about subframe openers.
if (is_swapped_out_ || frame->parent())
return;
// Notify WebContents and all its swapped out RenderViews.
Send(new ViewHostMsg_DidDisownOpener(routing_id_));
}
void RenderViewImpl::frameDetached(WebFrame* frame) {
FOR_EACH_OBSERVER(RenderViewObserver, observers_, FrameDetached(frame));
}
void RenderViewImpl::willClose(WebFrame* frame) {
FOR_EACH_OBSERVER(RenderViewObserver, observers_, FrameWillClose(frame));
}
void RenderViewImpl::didMatchCSS(
WebFrame* frame,
const WebVector<WebString>& newly_matching_selectors,
const WebVector<WebString>& stopped_matching_selectors) {
FOR_EACH_OBSERVER(
RenderViewObserver, observers_,
DidMatchCSS(frame, newly_matching_selectors, stopped_matching_selectors));
}
void RenderViewImpl::Repaint(const gfx::Size& size) {
OnRepaint(size);
}
void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
const std::string& value) {
EditCommands edit_commands;
edit_commands.push_back(EditCommand(name, value));
OnSetEditCommandsForNextKeyEvent(edit_commands);
}
void RenderViewImpl::ClearEditCommands() {
edit_commands_.clear();
}
SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
std::string security_info;
if (frame && frame->dataSource())
security_info = frame->dataSource()->response().securityInfo();
SSLStatus ssl_status;
DeserializeSecurityInfo(security_info,
&ssl_status.cert_id,
&ssl_status.cert_status,
&ssl_status.security_bits,
&ssl_status.connection_status,
&ssl_status.signed_certificate_timestamp_ids);
return ssl_status;
}
const std::string& RenderViewImpl::GetAcceptLanguages() const {
return renderer_preferences_.accept_languages;
}
WebNavigationPolicy RenderViewImpl::decidePolicyForNavigation(
WebFrame* frame, WebDataSource::ExtraData* extraData,
const WebURLRequest& request, WebNavigationType type,
WebNavigationPolicy default_policy, bool is_redirect) {
#ifdef OS_ANDROID
// The handlenavigation API is deprecated and will be removed once
// crbug.com/325351 is resolved.
if (request.url() != GURL(kSwappedOutURL) &&
GetContentClient()->renderer()->HandleNavigation(
this,
static_cast<DocumentState*>(extraData),
opener_id_,
frame,
request,
type,
default_policy,
is_redirect)) {
return blink::WebNavigationPolicyIgnore;
}
#endif
Referrer referrer(GetReferrerFromRequest(frame, request));
if (is_swapped_out_) {
if (request.url() != GURL(kSwappedOutURL)) {
// Targeted links may try to navigate a swapped out frame. Allow the
// browser process to navigate the tab instead. Note that it is also
// possible for non-targeted navigations (from this view) to arrive
// here just after we are swapped out. It's ok to send them to the
// browser, as long as they're for the top level frame.
// TODO(creis): Ensure this supports targeted form submissions when
// fixing http://crbug.com/101395.
if (frame->parent() == NULL) {
OpenURL(frame, request.url(), referrer, default_policy);
return blink::WebNavigationPolicyIgnore; // Suppress the load here.
}
// We should otherwise ignore in-process iframe navigations, if they
// arrive just after we are swapped out.
return blink::WebNavigationPolicyIgnore;
}
// Allow kSwappedOutURL to complete.
return default_policy;
}
// Webkit is asking whether to navigate to a new URL.
// This is fine normally, except if we're showing UI from one security
// context and they're trying to navigate to a different context.
const GURL& url = request.url();
// A content initiated navigation may have originated from a link-click,
// script, drag-n-drop operation, etc.
bool is_content_initiated = static_cast<DocumentState*>(extraData)->
navigation_state()->is_content_initiated();
// Experimental:
// If --enable-strict-site-isolation or --site-per-process is enabled, send
// all top-level navigations to the browser to let it swap processes when
// crossing site boundaries. This is currently expected to break some script
// calls and navigations, such as form submissions.
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
bool force_swap_due_to_flag =
command_line.HasSwitch(switches::kEnableStrictSiteIsolation) ||
command_line.HasSwitch(switches::kSitePerProcess);
if (force_swap_due_to_flag &&
!frame->parent() && (is_content_initiated || is_redirect)) {
WebString origin_str = frame->document().securityOrigin().toString();
GURL frame_url(origin_str.utf8().data());
// TODO(cevans): revisit whether this site check is still necessary once
// crbug.com/101395 is fixed.
bool same_domain_or_host =
net::registry_controlled_domains::SameDomainOrHost(
frame_url,
url,
net::registry_controlled_domains::EXCLUDE_PRIVATE_REGISTRIES);
if (!same_domain_or_host || frame_url.scheme() != url.scheme()) {
OpenURL(frame, url, referrer, default_policy);
return blink::WebNavigationPolicyIgnore;
}
}
// If the browser is interested, then give it a chance to look at the request.
if (is_content_initiated) {
bool is_form_post = ((type == blink::WebNavigationTypeFormSubmitted) ||
(type == blink::WebNavigationTypeFormResubmitted)) &&
EqualsASCII(request.httpMethod(), "POST");
bool browser_handles_request =
renderer_preferences_.browser_handles_non_local_top_level_requests &&
IsNonLocalTopLevelNavigation(url, frame, type, is_form_post);
if (!browser_handles_request) {
browser_handles_request = IsTopLevelNavigation(frame) &&
(renderer_preferences_.browser_handles_all_top_level_requests ||
(renderer_preferences_.browser_handles_all_top_level_link_clicks &&
type == blink::WebNavigationTypeLinkClicked));
}
if (browser_handles_request) {
// Reset these counters as the RenderView could be reused for the next
// navigation.
page_id_ = -1;
last_page_id_sent_to_browser_ = -1;
OpenURL(frame, url, referrer, default_policy);
return blink::WebNavigationPolicyIgnore; // Suppress the load here.
}
}
// Use the frame's original request's URL rather than the document's URL for
// subsequent checks. For a popup, the document's URL may become the opener
// window's URL if the opener has called document.write().
// See http://crbug.com/93517.
GURL old_url(frame->dataSource()->request().url());
// Detect when we're crossing a permission-based boundary (e.g. into or out of
// an extension or app origin, leaving a WebUI page, etc). We only care about
// top-level navigations (not iframes). But we sometimes navigate to
// about:blank to clear a tab, and we want to still allow that.
//
// Note: this is known to break POST submissions when crossing process
// boundaries until http://crbug.com/101395 is fixed. This is better for
// security than loading a WebUI, extension or app page in the wrong process.
// POST requests don't work because this mechanism does not preserve form
// POST data. We will need to send the request's httpBody data up to the
// browser process, and issue a special POST navigation in WebKit (via
// FrameLoader::loadFrameRequest). See ResourceDispatcher and WebURLLoaderImpl
// for examples of how to send the httpBody data.
if (!frame->parent() && is_content_initiated &&
!url.SchemeIs(chrome::kAboutScheme)) {
bool send_referrer = false;
// All navigations to or from WebUI URLs or within WebUI-enabled
// RenderProcesses must be handled by the browser process so that the
// correct bindings and data sources can be registered.
// Similarly, navigations to view-source URLs or within ViewSource mode
// must be handled by the browser process (except for reloads - those are
// safe to leave within the renderer).
// Lastly, access to file:// URLs from non-file:// URL pages must be
// handled by the browser so that ordinary renderer processes don't get
// blessed with file permissions.
int cumulative_bindings = RenderProcess::current()->GetEnabledBindings();
bool is_initial_navigation = page_id_ == -1;
bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
(cumulative_bindings & BINDINGS_POLICY_WEB_UI) ||
url.SchemeIs(kViewSourceScheme) ||
(frame->isViewSourceModeEnabled() &&
type != blink::WebNavigationTypeReload);
if (!should_fork && url.SchemeIs(chrome::kFileScheme)) {
// Fork non-file to file opens. Check the opener URL if this is the
// initial navigation in a newly opened window.
GURL source_url(old_url);
if (is_initial_navigation && source_url.is_empty() && frame->opener())
source_url = frame->opener()->top()->document().url();
DCHECK(!source_url.is_empty());
should_fork = !source_url.SchemeIs(chrome::kFileScheme);
}
if (!should_fork) {
// Give the embedder a chance.
should_fork = GetContentClient()->renderer()->ShouldFork(
frame, url, request.httpMethod().utf8(), is_initial_navigation,
is_redirect, &send_referrer);
}
if (should_fork) {
OpenURL(
frame, url, send_referrer ? referrer : Referrer(), default_policy);
return blink::WebNavigationPolicyIgnore; // Suppress the load here.
}
}
// Detect when a page is "forking" a new tab that can be safely rendered in
// its own process. This is done by sites like Gmail that try to open links
// in new windows without script connections back to the original page. We
// treat such cases as browser navigations (in which we will create a new
// renderer for a cross-site navigation), rather than WebKit navigations.
//
// We use the following heuristic to decide whether to fork a new page in its
// own process:
// The parent page must open a new tab to about:blank, set the new tab's
// window.opener to null, and then redirect the tab to a cross-site URL using
// JavaScript.
//
// TODO(creis): Deprecate this logic once we can rely on rel=noreferrer
// (see below).
bool is_fork =
// Must start from a tab showing about:blank, which is later redirected.
old_url == GURL(kAboutBlankURL) &&
// Must be the first real navigation of the tab.
historyBackListCount() < 1 &&
historyForwardListCount() < 1 &&
// The parent page must have set the child's window.opener to null before
// redirecting to the desired URL.
frame->opener() == NULL &&
// Must be a top-level frame.
frame->parent() == NULL &&
// Must not have issued the request from this page.
is_content_initiated &&
// Must be targeted at the current tab.
default_policy == blink::WebNavigationPolicyCurrentTab &&
// Must be a JavaScript navigation, which appears as "other".
type == blink::WebNavigationTypeOther;
if (is_fork) {
// Open the URL via the browser, not via WebKit.
OpenURL(frame, url, Referrer(), default_policy);
return blink::WebNavigationPolicyIgnore;
}
return default_policy;
}
WebNavigationPolicy RenderViewImpl::decidePolicyForNavigation(
WebFrame* frame, const WebURLRequest& request, WebNavigationType type,
WebNavigationPolicy default_policy, bool is_redirect) {
return decidePolicyForNavigation(frame,
frame->provisionalDataSource()->extraData(),
request, type, default_policy, is_redirect);
}
void RenderViewImpl::willSendSubmitEvent(blink::WebFrame* frame,
const blink::WebFormElement& form) {
FOR_EACH_OBSERVER(
RenderViewObserver, observers_, WillSendSubmitEvent(frame, form));
}
void RenderViewImpl::willSubmitForm(WebFrame* frame,
const WebFormElement& form) {
FOR_EACH_OBSERVER(
RenderViewObserver, observers_, WillSubmitForm(frame, form));
}
void RenderViewImpl::didCreateDataSource(WebFrame* frame, WebDataSource* ds) {
bool content_initiated = !pending_navigation_params_.get();
// Make sure any previous redirect URLs end up in our new data source.
if (pending_navigation_params_.get()) {
for (std::vector<GURL>::const_iterator i =
pending_navigation_params_->redirects.begin();
i != pending_navigation_params_->redirects.end(); ++i) {
ds->appendRedirect(*i);
}
}
DocumentState* document_state = DocumentState::FromDataSource(ds);
if (!document_state) {
document_state = new DocumentState;
ds->setExtraData(document_state);
if (!content_initiated)
PopulateDocumentStateFromPending(document_state);
}
// Carry over the user agent override flag, if it exists.
if (content_initiated && webview() && webview()->mainFrame() &&
webview()->mainFrame()->dataSource()) {
DocumentState* old_document_state =
DocumentState::FromDataSource(webview()->mainFrame()->dataSource());
if (old_document_state) {
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDocumentState(document_state);
InternalDocumentStateData* old_internal_data =
InternalDocumentStateData::FromDocumentState(old_document_state);
internal_data->set_is_overriding_user_agent(
old_internal_data->is_overriding_user_agent());
}
}
// The rest of RenderView assumes that a WebDataSource will always have a
// non-null NavigationState.
if (content_initiated) {
document_state->set_navigation_state(
NavigationState::CreateContentInitiated());
} else {
document_state->set_navigation_state(CreateNavigationStateFromPending());
pending_navigation_params_.reset();
}
// DocumentState::referred_by_prefetcher_ is true if we are
// navigating from a page that used prefetching using a link on that
// page. We are early enough in the request process here that we
// can still see the DocumentState of the previous page and set
// this value appropriately.
// TODO(gavinp): catch the important case of navigation in a new
// renderer process.
if (webview()) {
if (WebFrame* old_frame = webview()->mainFrame()) {
const WebURLRequest& original_request = ds->originalRequest();
const GURL referrer(
original_request.httpHeaderField(WebString::fromUTF8("Referer")));
if (!referrer.is_empty() &&
DocumentState::FromDataSource(
old_frame->dataSource())->was_prefetcher()) {
for (; old_frame; old_frame = old_frame->traverseNext(false)) {
WebDataSource* old_frame_ds = old_frame->dataSource();
if (old_frame_ds && referrer == GURL(old_frame_ds->request().url())) {
document_state->set_was_referred_by_prefetcher(true);
break;
}
}
}
}
}
if (content_initiated) {
const WebURLRequest& request = ds->request();
switch (request.cachePolicy()) {
case WebURLRequest::UseProtocolCachePolicy: // normal load.
document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL);
break;
case WebURLRequest::ReloadIgnoringCacheData: // reload.
document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD);
break;
case WebURLRequest::ReturnCacheDataElseLoad: // allow stale data.
document_state->set_load_type(
DocumentState::LINK_LOAD_CACHE_STALE_OK);
break;
case WebURLRequest::ReturnCacheDataDontLoad: // Don't re-post.
document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY);
break;
}
}
FOR_EACH_OBSERVER(
RenderViewObserver, observers_, DidCreateDataSource(frame, ds));
}
void RenderViewImpl::PopulateDocumentStateFromPending(
DocumentState* document_state) {
const ViewMsg_Navigate_Params& params = *pending_navigation_params_.get();
document_state->set_request_time(params.request_time);
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDocumentState(document_state);
if (!params.url.SchemeIs(kJavaScriptScheme) &&
params.navigation_type == ViewMsg_Navigate_Type::RESTORE) {
// We're doing a load of a page that was restored from the last session. By
// default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which
// can result in stale data for pages that are set to expire. We explicitly
// override that by setting the policy here so that as necessary we load
// from the network.
internal_data->set_cache_policy_override(
WebURLRequest::UseProtocolCachePolicy);
}
if (IsReload(params))
document_state->set_load_type(DocumentState::RELOAD);
else if (params.page_state.IsValid())
document_state->set_load_type(DocumentState::HISTORY_LOAD);
else
document_state->set_load_type(DocumentState::NORMAL_LOAD);
internal_data->set_referrer_policy(params.referrer.policy);
internal_data->set_is_overriding_user_agent(params.is_overriding_user_agent);
internal_data->set_must_reset_scroll_and_scale_state(
params.navigation_type ==
ViewMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
document_state->set_can_load_local_resources(params.can_load_local_resources);
}
NavigationState* RenderViewImpl::CreateNavigationStateFromPending() {
const ViewMsg_Navigate_Params& params = *pending_navigation_params_.get();
NavigationState* navigation_state = NULL;
// A navigation resulting from loading a javascript URL should not be treated
// as a browser initiated event. Instead, we want it to look as if the page
// initiated any load resulting from JS execution.
if (!params.url.SchemeIs(kJavaScriptScheme)) {
navigation_state = NavigationState::CreateBrowserInitiated(
params.page_id,
params.pending_history_list_offset,
params.should_clear_history_list,
params.transition);
navigation_state->set_should_replace_current_entry(
params.should_replace_current_entry);
navigation_state->set_transferred_request_child_id(
params.transferred_request_child_id);
navigation_state->set_transferred_request_request_id(
params.transferred_request_request_id);
navigation_state->set_allow_download(params.allow_download);
navigation_state->set_extra_headers(params.extra_headers);
} else {
navigation_state = NavigationState::CreateContentInitiated();
}
return navigation_state;
}
void RenderViewImpl::ProcessViewLayoutFlags(const CommandLine& command_line) {
bool enable_viewport =
command_line.HasSwitch(switches::kEnableViewport) ||
command_line.HasSwitch(switches::kEnableViewportMeta);
// If viewport tag is enabled, then the WebKit side will take care
// of setting the fixed layout size and page scale limits.
if (enable_viewport)
return;
// When navigating to a new page, reset the page scale factor to be 1.0.
webview()->setInitialPageScaleOverride(1.f);
float maxPageScaleFactor =
command_line.HasSwitch(switches::kEnablePinch) ? 4.f : 1.f ;
webview()->setPageScaleFactorLimits(1, maxPageScaleFactor);
}
// TODO(nasko): Remove this method once WebTestProxy in Blink is fixed.
void RenderViewImpl::didStartProvisionalLoad(WebFrame* frame) {
}
void RenderViewImpl::didReceiveServerRedirectForProvisionalLoad(
WebFrame* frame) {
if (frame->parent())
return;
// Received a redirect on the main frame.
WebDataSource* data_source = frame->provisionalDataSource();
if (!data_source) {
// Should only be invoked when we have a data source.
NOTREACHED();
return;
}
std::vector<GURL> redirects;
GetRedirectChain(data_source, &redirects);
if (redirects.size() >= 2) {
Send(new ViewHostMsg_DidRedirectProvisionalLoad(routing_id_, page_id_,
redirects[redirects.size() - 2], redirects.back()));
}
}
void RenderViewImpl::didFailProvisionalLoad(WebFrame* frame,
const WebURLError& error) {
// Notify the browser that we failed a provisional load with an error.
//
// Note: It is important this notification occur before DidStopLoading so the
// SSL manager can react to the provisional load failure before being
// notified the load stopped.
//
WebDataSource* ds = frame->provisionalDataSource();
DCHECK(ds);
const WebURLRequest& failed_request = ds->request();
FOR_EACH_OBSERVER(
RenderViewObserver, observers_, DidFailProvisionalLoad(frame, error));
bool show_repost_interstitial =
(error.reason == net::ERR_CACHE_MISS &&
EqualsASCII(failed_request.httpMethod(), "POST"));
ViewHostMsg_DidFailProvisionalLoadWithError_Params params;
params.frame_id = frame->identifier();
params.frame_unique_name = frame->uniqueName();
params.is_main_frame = !frame->parent();
params.error_code = error.reason;
GetContentClient()->renderer()->GetNavigationErrorStrings(
frame,
failed_request,
error,
renderer_preferences_.accept_languages,
NULL,
¶ms.error_description);
params.url = error.unreachableURL;
params.showing_repost_interstitial = show_repost_interstitial;
Send(new ViewHostMsg_DidFailProvisionalLoadWithError(
routing_id_, params));
// Don't display an error page if this is simply a cancelled load. Aside
// from being dumb, WebCore doesn't expect it and it will cause a crash.
if (error.reason == net::ERR_ABORTED)
return;
// Don't display "client blocked" error page if browser has asked us not to.
if (error.reason == net::ERR_BLOCKED_BY_CLIENT &&
renderer_preferences_.disable_client_blocked_error_page) {
return;
}
// Allow the embedder to suppress an error page.
if (GetContentClient()->renderer()->ShouldSuppressErrorPage(
error.unreachableURL)) {
return;
}
if (RenderThreadImpl::current() &&
RenderThreadImpl::current()->layout_test_mode()) {
return;
}
// Make sure we never show errors in view source mode.
frame->enableViewSourceMode(false);
DocumentState* document_state = DocumentState::FromDataSource(ds);
NavigationState* navigation_state = document_state->navigation_state();
// If this is a failed back/forward/reload navigation, then we need to do a
// 'replace' load. This is necessary to avoid messing up session history.
// Otherwise, we do a normal load, which simulates a 'go' navigation as far
// as session history is concerned.
//
// AUTO_SUBFRAME loads should always be treated as loads that do not advance
// the page id.
//
// TODO(davidben): This should also take the failed navigation's replacement
// state into account, if a location.replace() failed.
bool replace =
navigation_state->pending_page_id() != -1 ||
PageTransitionCoreTypeIs(navigation_state->transition_type(),
PAGE_TRANSITION_AUTO_SUBFRAME);
// If we failed on a browser initiated request, then make sure that our error
// page load is regarded as the same browser initiated request.
if (!navigation_state->is_content_initiated()) {
pending_navigation_params_.reset(new ViewMsg_Navigate_Params);
pending_navigation_params_->page_id =
navigation_state->pending_page_id();
pending_navigation_params_->pending_history_list_offset =
navigation_state->pending_history_list_offset();
pending_navigation_params_->should_clear_history_list =
navigation_state->history_list_was_cleared();
pending_navigation_params_->transition =
navigation_state->transition_type();
pending_navigation_params_->request_time =
document_state->request_time();
pending_navigation_params_->should_replace_current_entry = replace;
}
// Provide the user with a more helpful error page?
if (MaybeLoadAlternateErrorPage(frame, error, replace))
return;
// Fallback to a local error page.
LoadNavigationErrorPage(frame, failed_request, error, std::string(), replace);
}
void RenderViewImpl::didCommitProvisionalLoad(WebFrame* frame,
bool is_new_navigation) {
DocumentState* document_state =
DocumentState::FromDataSource(frame->dataSource());
NavigationState* navigation_state = document_state->navigation_state();
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDocumentState(document_state);
if (document_state->commit_load_time().is_null())
document_state->set_commit_load_time(Time::Now());
if (internal_data->must_reset_scroll_and_scale_state()) {
webview()->resetScrollAndScaleState();
internal_data->set_must_reset_scroll_and_scale_state(false);
}
internal_data->set_use_error_page(false);
if (is_new_navigation) {
// When we perform a new navigation, we need to update the last committed
// session history entry with state for the page we are leaving.
UpdateSessionHistory(frame);
// We bump our Page ID to correspond with the new session history entry.
page_id_ = next_page_id_++;
// Don't update history_page_ids_ (etc) for kSwappedOutURL, since
// we don't want to forget the entry that was there, and since we will
// never come back to kSwappedOutURL. Note that we have to call
// UpdateSessionHistory and update page_id_ even in this case, so that
// the current entry gets a state update and so that we don't send a
// state update to the wrong entry when we swap back in.
if (GetLoadingUrl(frame) != GURL(kSwappedOutURL)) {
// Advance our offset in session history, applying the length limit.
// There is now no forward history.
history_list_offset_++;
if (history_list_offset_ >= kMaxSessionHistoryEntries)
history_list_offset_ = kMaxSessionHistoryEntries - 1;
history_list_length_ = history_list_offset_ + 1;
history_page_ids_.resize(history_list_length_, -1);
history_page_ids_[history_list_offset_] = page_id_;
}
} else {
// Inspect the navigation_state on this frame to see if the navigation
// corresponds to a session history navigation... Note: |frame| may or
// may not be the toplevel frame, but for the case of capturing session
// history, the first committed frame suffices. We keep track of whether
// we've seen this commit before so that only capture session history once
// per navigation.
//
// Note that we need to check if the page ID changed. In the case of a
// reload, the page ID doesn't change, and UpdateSessionHistory gets the
// previous URL and the current page ID, which would be wrong.
if (navigation_state->pending_page_id() != -1 &&
navigation_state->pending_page_id() != page_id_ &&
!navigation_state->request_committed()) {
// This is a successful session history navigation!
UpdateSessionHistory(frame);
page_id_ = navigation_state->pending_page_id();
history_list_offset_ = navigation_state->pending_history_list_offset();
// If the history list is valid, our list of page IDs should be correct.
DCHECK(history_list_length_ <= 0 ||
history_list_offset_ < 0 ||
history_list_offset_ >= history_list_length_ ||
history_page_ids_[history_list_offset_] == page_id_);
}
}
FOR_EACH_OBSERVER(RenderViewObserver, observers_,
DidCommitProvisionalLoad(frame, is_new_navigation));
// Remember that we've already processed this request, so we don't update
// the session history again. We do this regardless of whether this is
// a session history navigation, because if we attempted a session history
// navigation without valid HistoryItem state, WebCore will think it is a
// new navigation.
navigation_state->set_request_committed(true);
UpdateURL(frame);
// Check whether we have new encoding name.
UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
if (!frame->parent()) { // Only for top frames.
RenderThreadImpl* render_thread_impl = RenderThreadImpl::current();
if (render_thread_impl) { // Can be NULL in tests.
render_thread_impl->histogram_customizer()->
RenderViewNavigatedToHost(GURL(GetLoadingUrl(frame)).host(),
g_view_map.Get().size());
}
}
}
void RenderViewImpl::didClearWindowObject(WebFrame* frame) {
FOR_EACH_OBSERVER(RenderViewObserver, observers_,
DidClearWindowObject(frame));
if (enabled_bindings_ & BINDINGS_POLICY_DOM_AUTOMATION) {
if (!dom_automation_controller_)
dom_automation_controller_.reset(new DomAutomationController());
dom_automation_controller_->set_message_sender(
static_cast<RenderView*>(this));
dom_automation_controller_->set_routing_id(routing_id());
dom_automation_controller_->BindToJavascript(frame,
"domAutomationController");
}
if (enabled_bindings_ & BINDINGS_POLICY_STATS_COLLECTION)
StatsCollectionController::Install(frame);
}
void RenderViewImpl::didCreateDocumentElement(WebFrame* frame) {
FOR_EACH_OBSERVER(RenderViewObserver, observers_,
DidCreateDocumentElement(frame));
}
void RenderViewImpl::didReceiveTitle(WebFrame* frame, const WebString& title,
WebTextDirection direction) {
UpdateTitle(frame, title, direction);
// Also check whether we have new encoding name.
UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
}
void RenderViewImpl::didChangeIcon(WebFrame* frame,
WebIconURL::Type icon_type) {
if (frame->parent())
return;
if (!TouchEnabled() && icon_type != WebIconURL::TypeFavicon)
return;
WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
std::vector<FaviconURL> urls;
for (size_t i = 0; i < icon_urls.size(); i++) {
urls.push_back(FaviconURL(icon_urls[i].iconURL(),
ToFaviconType(icon_urls[i].iconType())));
}
SendUpdateFaviconURL(urls);
}
void RenderViewImpl::didFinishDocumentLoad(WebFrame* frame) {
WebDataSource* ds = frame->dataSource();
DocumentState* document_state = DocumentState::FromDataSource(ds);
document_state->set_finish_document_load_time(Time::Now());
Send(new ViewHostMsg_DocumentLoadedInFrame(routing_id_, frame->identifier()));
FOR_EACH_OBSERVER(RenderViewObserver, observers_,
DidFinishDocumentLoad(frame));
// Check whether we have new encoding name.
UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
}
void RenderViewImpl::didHandleOnloadEvents(WebFrame* frame) {
if (webview()->mainFrame() == frame) {
Send(new ViewHostMsg_DocumentOnLoadCompletedInMainFrame(routing_id_,
page_id_));
}
}
void RenderViewImpl::didFailLoad(WebFrame* frame, const WebURLError& error) {
WebDataSource* ds = frame->dataSource();
DCHECK(ds);
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidFailLoad(frame, error));
const WebURLRequest& failed_request = ds->request();
base::string16 error_description;
GetContentClient()->renderer()->GetNavigationErrorStrings(
frame,
failed_request,
error,
renderer_preferences_.accept_languages,
NULL,
&error_description);
Send(new ViewHostMsg_DidFailLoadWithError(routing_id_,
frame->identifier(),
failed_request.url(),
!frame->parent(),
error.reason,
error_description));
}
void RenderViewImpl::didFinishLoad(WebFrame* frame) {
WebDataSource* ds = frame->dataSource();
DocumentState* document_state = DocumentState::FromDataSource(ds);
if (document_state->finish_load_time().is_null()) {
if (!frame->parent()) {
TRACE_EVENT_INSTANT0("WebCore", "LoadFinished",
TRACE_EVENT_SCOPE_PROCESS);
}
document_state->set_finish_load_time(Time::Now());
}
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidFinishLoad(frame));
Send(new ViewHostMsg_DidFinishLoad(routing_id_,
frame->identifier(),
ds->request().url(),
!frame->parent()));
}
void RenderViewImpl::didNavigateWithinPage(
WebFrame* frame, bool is_new_navigation) {
// If this was a reference fragment navigation that we initiated, then we
// could end up having a non-null pending navigation params. We just need to
// update the ExtraData on the datasource so that others who read the
// ExtraData will get the new NavigationState. Similarly, if we did not
// initiate this navigation, then we need to take care to reset any pre-
// existing navigation state to a content-initiated navigation state.
// DidCreateDataSource conveniently takes care of this for us.
didCreateDataSource(frame, frame->dataSource());
DocumentState* document_state =
DocumentState::FromDataSource(frame->dataSource());
NavigationState* new_state = document_state->navigation_state();
new_state->set_was_within_same_page(true);
didCommitProvisionalLoad(frame, is_new_navigation);
}
void RenderViewImpl::didUpdateCurrentHistoryItem(WebFrame* frame) {
StartNavStateSyncTimerIfNecessary();
}
void RenderViewImpl::willSendRequest(WebFrame* frame,
unsigned identifier,
WebURLRequest& request,
const WebURLResponse& redirect_response) {
NOTREACHED();
}
void RenderViewImpl::didReceiveResponse(
WebFrame* frame, unsigned identifier, const WebURLResponse& response) {
NOTREACHED();
}
void RenderViewImpl::didFinishResourceLoad(
WebFrame* frame, unsigned identifier) {
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDataSource(frame->dataSource());
if (!internal_data->use_error_page())
return;
// Do not show error page when DevTools is attached.
if (devtools_agent_->IsAttached())
return;
// Display error page, if appropriate.
int http_status_code = internal_data->http_status_code();
if (http_status_code == 404) {
// On 404s, try a remote search page as a fallback.
const GURL& document_url = frame->document().url();
const GURL& error_page_url =
GetAlternateErrorPageURL(document_url, HTTP_404);
if (error_page_url.is_valid()) {
WebURLError original_error;
original_error.domain = "http";
original_error.reason = 404;
original_error.unreachableURL = document_url;
internal_data->set_alt_error_page_fetcher(
new AltErrorPageResourceFetcher(
error_page_url, frame, frame->dataSource()->request(),
original_error,
base::Bind(&RenderViewImpl::AltErrorPageFinished,
base::Unretained(this))));
return;
}
}
std::string error_domain;
if (GetContentClient()->renderer()->HasErrorPage(
http_status_code, &error_domain)) {
WebURLError error;
error.unreachableURL = frame->document().url();
error.domain = WebString::fromUTF8(error_domain);
error.reason = http_status_code;
LoadNavigationErrorPage(
frame, frame->dataSource()->request(), error, std::string(), true);
}
}
void RenderViewImpl::didLoadResourceFromMemoryCache(
WebFrame* frame, const WebURLRequest& request,
const WebURLResponse& response) {
NOTREACHED();
}
void RenderViewImpl::didDisplayInsecureContent(WebFrame* frame) {
NOTREACHED();
}
void RenderViewImpl::didRunInsecureContent(
WebFrame* frame, const WebSecurityOrigin& origin, const WebURL& target) {
NOTREACHED();
}
void RenderViewImpl::didExhaustMemoryAvailableForScript(WebFrame* frame) {
NOTREACHED();
}
void RenderViewImpl::didCreateScriptContext(WebFrame* frame,
v8::Handle<v8::Context> context,
int extension_group,
int world_id) {
NOTREACHED();
}
void RenderViewImpl::willReleaseScriptContext(WebFrame* frame,
v8::Handle<v8::Context> context,
int world_id) {
NOTREACHED();
}
void RenderViewImpl::CheckPreferredSize() {
// We don't always want to send the change messages over IPC, only if we've
// been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
// message.
if (!send_preferred_size_changes_ || !webview())
return;
gfx::Size size = webview()->contentsPreferredMinimumSize();
// In the presence of zoom, these sizes are still reported as if unzoomed,
// so we need to adjust.
double zoom_factor = ZoomLevelToZoomFactor(webview()->zoomLevel());
size.set_width(static_cast<int>(size.width() * zoom_factor));
size.set_height(static_cast<int>(size.height() * zoom_factor));
if (size == preferred_size_)
return;
preferred_size_ = size;
Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
preferred_size_));
}
BrowserPluginManager* RenderViewImpl::GetBrowserPluginManager() {
if (!browser_plugin_manager_.get())
browser_plugin_manager_ = BrowserPluginManager::Create(this);
return browser_plugin_manager_.get();
}
bool RenderViewImpl::InitializeMediaStreamClient() {
if (media_stream_client_)
return true;
if (!RenderThreadImpl::current()) // Will be NULL during unit tests.
return false;
#if defined(OS_ANDROID)
if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableWebRTC))
return false;
#endif
#if defined(ENABLE_WEBRTC)
if (!media_stream_dispatcher_)
media_stream_dispatcher_ = new MediaStreamDispatcher(this);
MediaStreamImpl* media_stream_impl = new MediaStreamImpl(
this,
media_stream_dispatcher_,
RenderThreadImpl::current()->GetMediaStreamDependencyFactory());
media_stream_client_ = media_stream_impl;
web_user_media_client_ = media_stream_impl;
return true;
#else
return false;
#endif
}
void RenderViewImpl::didChangeContentsSize(WebFrame* frame,
const WebSize& size) {
if (webview()->mainFrame() != frame)
return;
WebView* frameView = frame->view();
if (!frameView)
return;
bool has_horizontal_scrollbar = frame->hasHorizontalScrollbar();
bool has_vertical_scrollbar = frame->hasVerticalScrollbar();
if (has_horizontal_scrollbar != cached_has_main_frame_horizontal_scrollbar_ ||
has_vertical_scrollbar != cached_has_main_frame_vertical_scrollbar_) {
Send(new ViewHostMsg_DidChangeScrollbarsForMainFrame(
routing_id_, has_horizontal_scrollbar, has_vertical_scrollbar));
cached_has_main_frame_horizontal_scrollbar_ = has_horizontal_scrollbar;
cached_has_main_frame_vertical_scrollbar_ = has_vertical_scrollbar;
}
}
void RenderViewImpl::UpdateScrollState(WebFrame* frame) {
WebSize offset = frame->scrollOffset();
WebSize minimum_offset = frame->minimumScrollOffset();
WebSize maximum_offset = frame->maximumScrollOffset();
bool is_pinned_to_left = offset.width <= minimum_offset.width;
bool is_pinned_to_right = offset.width >= maximum_offset.width;
if (is_pinned_to_left != cached_is_main_frame_pinned_to_left_ ||
is_pinned_to_right != cached_is_main_frame_pinned_to_right_) {
Send(new ViewHostMsg_DidChangeScrollOffsetPinningForMainFrame(
routing_id_, is_pinned_to_left, is_pinned_to_right));
cached_is_main_frame_pinned_to_left_ = is_pinned_to_left;
cached_is_main_frame_pinned_to_right_ = is_pinned_to_right;
}
Send(new ViewHostMsg_DidChangeScrollOffset(routing_id_));
}
void RenderViewImpl::didChangeScrollOffset(WebFrame* frame) {
StartNavStateSyncTimerIfNecessary();
if (webview()->mainFrame() == frame)
UpdateScrollState(frame);
FOR_EACH_OBSERVER(
RenderViewObserver, observers_, DidChangeScrollOffset(frame));
}
void RenderViewImpl::willInsertBody(blink::WebFrame* frame) {
NOTREACHED();
}
void RenderViewImpl::didFirstVisuallyNonEmptyLayout(WebFrame* frame) {
if (frame != webview()->mainFrame())
return;
InternalDocumentStateData* data =
InternalDocumentStateData::FromDataSource(frame->dataSource());
data->set_did_first_visually_non_empty_layout(true);
#if defined(OS_ANDROID)
// Update body background color if necessary.
SkColor bg_color = webwidget_->backgroundColor();
// If not initialized, default to white. Note that 0 is different from black
// as black still has alpha 0xFF.
if (!bg_color)
bg_color = SK_ColorWHITE;
if (bg_color != body_background_color_) {
body_background_color_ = bg_color;
Send(new ViewHostMsg_DidChangeBodyBackgroundColor(
GetRoutingID(), bg_color));
}
#endif
}
void RenderViewImpl::SendFindReply(int request_id,
int match_count,
int ordinal,
const WebRect& selection_rect,
bool final_status_update) {
Send(new ViewHostMsg_Find_Reply(routing_id_,
request_id,
match_count,
selection_rect,
ordinal,
final_status_update));
}
// static
bool RenderViewImpl::ShouldUpdateSelectionTextFromContextMenuParams(
const base::string16& selection_text,
size_t selection_text_offset,
const gfx::Range& selection_range,
const ContextMenuParams& params) {
base::string16 trimmed_selection_text;
if (!selection_text.empty() && !selection_range.is_empty()) {
const int start = selection_range.GetMin() - selection_text_offset;
const size_t length = selection_range.length();
if (start >= 0 && start + length <= selection_text.length()) {
TrimWhitespace(selection_text.substr(start, length), TRIM_ALL,
&trimmed_selection_text);
}
}
base::string16 trimmed_params_text;
TrimWhitespace(params.selection_text, TRIM_ALL, &trimmed_params_text);
return trimmed_params_text != trimmed_selection_text;
}
void RenderViewImpl::reportFindInPageMatchCount(int request_id,
int count,
bool final_update) {
NOTREACHED();
}
void RenderViewImpl::reportFindInPageSelection(int request_id,
int active_match_ordinal,
const WebRect& selection_rect) {
NOTREACHED();
}
void RenderViewImpl::requestStorageQuota(
WebFrame* frame,
WebStorageQuotaType type,
unsigned long long requested_size,
WebStorageQuotaCallbacks* callbacks) {
NOTREACHED();
}
bool RenderViewImpl::willCheckAndDispatchMessageEvent(
blink::WebFrame* sourceFrame,
blink::WebFrame* targetFrame,
blink::WebSecurityOrigin target_origin,
blink::WebDOMMessageEvent event) {
if (!is_swapped_out_)
return false;
ViewMsg_PostMessage_Params params;
params.data = event.data().toString();
params.source_origin = event.origin();
if (!target_origin.isNull())
params.target_origin = target_origin.toString();
blink::WebMessagePortChannelArray channels = event.releaseChannels();
if (!channels.isEmpty()) {
std::vector<int> message_port_ids(channels.size());
// Extract the port IDs from the channel array.
for (size_t i = 0; i < channels.size(); ++i) {
WebMessagePortChannelImpl* webchannel =
static_cast<WebMessagePortChannelImpl*>(channels[i]);
message_port_ids[i] = webchannel->message_port_id();
webchannel->QueueMessages();
DCHECK_NE(message_port_ids[i], MSG_ROUTING_NONE);
}
params.message_port_ids = message_port_ids;
}
// Include the routing ID for the source frame (if one exists), which the
// browser process will translate into the routing ID for the equivalent
// frame in the target process.
params.source_routing_id = MSG_ROUTING_NONE;
if (sourceFrame) {
RenderViewImpl* source_view = FromWebView(sourceFrame->view());
if (source_view)
params.source_routing_id = source_view->routing_id();
}
Send(new ViewHostMsg_RouteMessageEvent(routing_id_, params));
return true;
}
void RenderViewImpl::willOpenSocketStream(
WebSocketStreamHandle* handle) {
NOTREACHED();
}
void RenderViewImpl::willStartUsingPeerConnectionHandler(
blink::WebFrame* frame, blink::WebRTCPeerConnectionHandler* handler) {
NOTREACHED();
}
blink::WebString RenderViewImpl::acceptLanguages() {
return WebString::fromUTF8(renderer_preferences_.accept_languages);
}
blink::WebString RenderViewImpl::userAgentOverride(
blink::WebFrame* frame,
const blink::WebURL& url) {
NOTREACHED();
return blink::WebString();
}
WebString RenderViewImpl::doNotTrackValue(WebFrame* frame) {
NOTREACHED();
return blink::WebString();
}
bool RenderViewImpl::allowWebGL(WebFrame* frame, bool default_value) {
NOTREACHED();
return false;
}
void RenderViewImpl::didLoseWebGLContext(
blink::WebFrame* frame,
int arb_robustness_status_code) {
NOTREACHED();
}
// blink::WebPageSerializerClient implementation ------------------------------
void RenderViewImpl::didSerializeDataForFrame(
const WebURL& frame_url,
const WebCString& data,
WebPageSerializerClient::PageSerializationStatus status) {
Send(new ViewHostMsg_SendSerializedHtmlData(
routing_id(),
frame_url,
data.data(),
static_cast<int32>(status)));
}
// RenderView implementation ---------------------------------------------------
bool RenderViewImpl::Send(IPC::Message* message) {
return RenderWidget::Send(message);
}
RenderFrame* RenderViewImpl::GetMainRenderFrame() {
return main_render_frame_.get();
}
int RenderViewImpl::GetRoutingID() const {
return routing_id_;
}
int RenderViewImpl::GetPageId() const {
return page_id_;
}
gfx::Size RenderViewImpl::GetSize() const {
return size();
}
WebPreferences& RenderViewImpl::GetWebkitPreferences() {
return webkit_preferences_;
}
void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
OnUpdateWebPreferences(preferences);
}
blink::WebView* RenderViewImpl::GetWebView() {
return webview();
}
blink::WebNode RenderViewImpl::GetFocusedNode() const {
if (!webview())
return WebNode();
WebFrame* focused_frame = webview()->focusedFrame();
if (focused_frame) {
WebDocument doc = focused_frame->document();
if (!doc.isNull())
return doc.focusedNode();
}
return WebNode();
}
blink::WebNode RenderViewImpl::GetContextMenuNode() const {
return context_menu_node_;
}
bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
if (node.isNull())
return false;
if (node.isContentEditable())
return true;
if (node.isElementNode()) {
const WebElement& element = node.toConst<WebElement>();
if (element.isTextFormControlElement())
return true;
// Also return true if it has an ARIA role of 'textbox'.
for (unsigned i = 0; i < element.attributeCount(); ++i) {
if (LowerCaseEqualsASCII(element.attributeLocalName(i), "role")) {
if (LowerCaseEqualsASCII(element.attributeValue(i), "textbox"))
return true;
break;
}
}
}
return false;
}
void RenderViewImpl::EvaluateScript(const base::string16& frame_xpath,
const base::string16& jscript,
int id,
bool notify_result) {
v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
v8::Handle<v8::Value> result;
WebFrame* web_frame = GetChildFrame(frame_xpath);
if (web_frame)
result = web_frame->executeScriptAndReturnValue(WebScriptSource(jscript));
if (notify_result) {
base::ListValue list;
if (!result.IsEmpty() && web_frame) {
v8::Local<v8::Context> context = web_frame->mainWorldScriptContext();
v8::Context::Scope context_scope(context);
V8ValueConverterImpl converter;
converter.SetDateAllowed(true);
converter.SetRegExpAllowed(true);
base::Value* result_value = converter.FromV8Value(result, context);
list.Set(0, result_value ? result_value : base::Value::CreateNullValue());
} else {
list.Set(0, base::Value::CreateNullValue());
}
Send(new ViewHostMsg_ScriptEvalResponse(routing_id_, id, list));
}
}
bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
return (!send_preferred_size_changes_ ||
(disable_scrollbars_size_limit_.width() <= width ||
disable_scrollbars_size_limit_.height() <= height));
}
int RenderViewImpl::GetEnabledBindings() const {
return enabled_bindings_;
}
bool RenderViewImpl::GetContentStateImmediately() const {
return send_content_state_immediately_;
}
float RenderViewImpl::GetFilteredTimePerFrame() const {
return filtered_time_per_frame();
}
int RenderViewImpl::ShowContextMenu(ContextMenuClient* client,
const ContextMenuParams& params) {
DCHECK(client); // A null client means "internal" when we issue callbacks.
ContextMenuParams our_params(params);
our_params.custom_context.request_id = pending_context_menus_.Add(client);
Send(new ViewHostMsg_ContextMenu(routing_id_, our_params));
return our_params.custom_context.request_id;
}
void RenderViewImpl::CancelContextMenu(int request_id) {
DCHECK(pending_context_menus_.Lookup(request_id));
pending_context_menus_.Remove(request_id);
}
blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
return visibilityState();
}
void RenderViewImpl::RunModalAlertDialog(blink::WebFrame* frame,
const blink::WebString& message) {
return runModalAlertDialog(frame, message);
}
void RenderViewImpl::DidStartLoading() {
didStartLoading();
}
void RenderViewImpl::DidStopLoading() {
didStopLoading();
}
void RenderViewImpl::DidPlay(blink::WebMediaPlayer* player) {
Send(new ViewHostMsg_MediaNotification(routing_id_,
reinterpret_cast<int64>(player),
player->hasVideo(),
player->hasAudio(),
true));
}
void RenderViewImpl::DidPause(blink::WebMediaPlayer* player) {
Send(new ViewHostMsg_MediaNotification(routing_id_,
reinterpret_cast<int64>(player),
player->hasVideo(),
player->hasAudio(),
false));
}
void RenderViewImpl::PlayerGone(blink::WebMediaPlayer* player) {
DidPause(player);
}
void RenderViewImpl::SyncNavigationState() {
if (!webview())
return;
const WebHistoryItem& item = webview()->mainFrame()->currentHistoryItem();
SendUpdateState(item);
}
void RenderViewImpl::SyncSelectionIfRequired() {
WebFrame* frame = webview()->focusedFrame();
if (!frame)
return;
base::string16 text;
size_t offset;
gfx::Range range;
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
focused_pepper_plugin_->GetSurroundingText(&text, &range);
offset = 0; // Pepper API does not support offset reporting.
// TODO(kinaba): cut as needed.
} else
#endif
{
size_t location, length;
if (!webview()->caretOrSelectionRange(&location, &length))
return;
range = gfx::Range(location, location + length);
if (webview()->textInputInfo().type != blink::WebTextInputTypeNone) {
// If current focused element is editable, we will send 100 more chars
// before and after selection. It is for input method surrounding text
// feature.
if (location > kExtraCharsBeforeAndAfterSelection)
offset = location - kExtraCharsBeforeAndAfterSelection;
else
offset = 0;
length = location + length - offset + kExtraCharsBeforeAndAfterSelection;
WebRange webrange = WebRange::fromDocumentRange(frame, offset, length);
if (!webrange.isNull())
text = WebRange::fromDocumentRange(frame, offset, length).toPlainText();
} else {
offset = location;
text = frame->selectionAsText();
// http://crbug.com/101435
// In some case, frame->selectionAsText() returned text's length is not
// equal to the length returned from webview()->caretOrSelectionRange().
// So we have to set the range according to text.length().
range.set_end(range.start() + text.length());
}
}
// Sometimes we get repeated didChangeSelection calls from webkit when
// the selection hasn't actually changed. We don't want to report these
// because it will cause us to continually claim the X clipboard.
if (selection_text_offset_ != offset ||
selection_range_ != range ||
selection_text_ != text) {
selection_text_ = text;
selection_text_offset_ = offset;
selection_range_ = range;
Send(new ViewHostMsg_SelectionChanged(routing_id_, text, offset, range));
}
UpdateSelectionBounds();
}
GURL RenderViewImpl::GetAlternateErrorPageURL(const GURL& failed_url,
ErrorPageType error_type) {
if (failed_url.SchemeIsSecure()) {
// If the URL that failed was secure, then the embedding web page was not
// expecting a network attacker to be able to manipulate its contents. As
// we fetch alternate error pages over HTTP, we would be allowing a network
// attacker to manipulate the contents of the response if we tried to use
// the link doctor here.
return GURL();
}
// Grab the base URL from the browser process.
if (!alternate_error_page_url_.is_valid())
return GURL();
// Strip query params from the failed URL.
GURL::Replacements remove_params;
remove_params.ClearUsername();
remove_params.ClearPassword();
remove_params.ClearQuery();
remove_params.ClearRef();
const GURL url_to_send = failed_url.ReplaceComponents(remove_params);
// TODO(yuusuke): change to net::FormatUrl when link doctor
// becomes unicode-capable.
std::string spec_to_send = url_to_send.spec();
// Notify link doctor of the url truncation by sending of "?" at the end.
if (failed_url.has_query())
spec_to_send.append("?");
// Construct the query params to send to link doctor.
std::string params(alternate_error_page_url_.query());
params.append("&url=");
params.append(net::EscapeQueryParamValue(spec_to_send, true));
params.append("&sourceid=chrome");
params.append("&error=");
switch (error_type) {
case DNS_ERROR:
params.append("dnserror");
break;
case HTTP_404:
params.append("http404");
break;
case CONNECTION_ERROR:
params.append("connectionfailure");
break;
default:
NOTREACHED() << "unknown ErrorPageType";
}
// OK, build the final url to return.
GURL::Replacements link_doctor_params;
link_doctor_params.SetQueryStr(params);
GURL url = alternate_error_page_url_.ReplaceComponents(link_doctor_params);
return url;
}
GURL RenderViewImpl::GetLoadingUrl(blink::WebFrame* frame) const {
WebDataSource* ds = frame->dataSource();
if (ds->hasUnreachableURL())
return ds->unreachableURL();
const WebURLRequest& request = ds->request();
return request.url();
}
blink::WebPlugin* RenderViewImpl::GetWebPluginFromPluginDocument() {
return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
}
void RenderViewImpl::OnFind(int request_id,
const base::string16& search_text,
const WebFindOptions& options) {
WebFrame* main_frame = webview()->mainFrame();
// Check if the plugin still exists in the document.
if (main_frame->document().isPluginDocument() &&
GetWebPluginFromPluginDocument()) {
if (options.findNext) {
// Just navigate back/forward.
GetWebPluginFromPluginDocument()->selectFindResult(options.forward);
} else {
if (!GetWebPluginFromPluginDocument()->startFind(
search_text, options.matchCase, request_id)) {
// Send "no results".
SendFindReply(request_id, 0, 0, gfx::Rect(), true);
}
}
return;
}
WebFrame* frame_after_main = main_frame->traverseNext(true);
WebFrame* focused_frame = webview()->focusedFrame();
WebFrame* search_frame = focused_frame; // start searching focused frame.
bool multi_frame = (frame_after_main != main_frame);
// If we have multiple frames, we don't want to wrap the search within the
// frame, so we check here if we only have main_frame in the chain.
bool wrap_within_frame = !multi_frame;
WebRect selection_rect;
bool result = false;
// If something is selected when we start searching it means we cannot just
// increment the current match ordinal; we need to re-generate it.
WebRange current_selection = focused_frame->selectionRange();
do {
result = search_frame->find(
request_id, search_text, options, wrap_within_frame, &selection_rect);
if (!result) {
// don't leave text selected as you move to the next frame.
search_frame->executeCommand(WebString::fromUTF8("Unselect"),
GetFocusedNode());
// Find the next frame, but skip the invisible ones.
do {
// What is the next frame to search? (we might be going backwards). Note
// that we specify wrap=true so that search_frame never becomes NULL.
search_frame = options.forward ?
search_frame->traverseNext(true) :
search_frame->traversePrevious(true);
} while (!search_frame->hasVisibleContent() &&
search_frame != focused_frame);
// Make sure selection doesn't affect the search operation in new frame.
search_frame->executeCommand(WebString::fromUTF8("Unselect"),
GetFocusedNode());
// If we have multiple frames and we have wrapped back around to the
// focused frame, we need to search it once more allowing wrap within
// the frame, otherwise it will report 'no match' if the focused frame has
// reported matches, but no frames after the focused_frame contain a
// match for the search word(s).
if (multi_frame && search_frame == focused_frame) {
result = search_frame->find(
request_id, search_text, options, true, // Force wrapping.
&selection_rect);
}
}
webview()->setFocusedFrame(search_frame);
} while (!result && search_frame != focused_frame);
if (options.findNext && current_selection.isNull()) {
// Force the main_frame to report the actual count.
main_frame->increaseMatchCount(0, request_id);
} else {
// If nothing is found, set result to "0 of 0", otherwise, set it to
// "-1 of 1" to indicate that we found at least one item, but we don't know
// yet what is active.
int ordinal = result ? -1 : 0; // -1 here means, we might know more later.
int match_count = result ? 1 : 0; // 1 here means possibly more coming.
// If we find no matches then this will be our last status update.
// Otherwise the scoping effort will send more results.
bool final_status_update = !result;
SendFindReply(request_id, match_count, ordinal, selection_rect,
final_status_update);
// Scoping effort begins, starting with the mainframe.
search_frame = main_frame;
main_frame->resetMatchCount();
do {
// Cancel all old scoping requests before starting a new one.
search_frame->cancelPendingScopingEffort();
// We don't start another scoping effort unless at least one match has
// been found.
if (result) {
// Start new scoping request. If the scoping function determines that it
// needs to scope, it will defer until later.
search_frame->scopeStringMatches(request_id,
search_text,
options,
true); // reset the tickmarks
}
// Iterate to the next frame. The frame will not necessarily scope, for
// example if it is not visible.
search_frame = search_frame->traverseNext(true);
} while (search_frame != main_frame);
}
}
void RenderViewImpl::OnStopFinding(StopFindAction action) {
WebView* view = webview();
if (!view)
return;
WebDocument doc = view->mainFrame()->document();
if (doc.isPluginDocument() && GetWebPluginFromPluginDocument()) {
GetWebPluginFromPluginDocument()->stopFind();
return;
}
bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
if (clear_selection) {
view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
GetFocusedNode());
}
WebFrame* frame = view->mainFrame();
while (frame) {
frame->stopFinding(clear_selection);
frame = frame->traverseNext(false);
}
if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
WebFrame* focused_frame = view->focusedFrame();
if (focused_frame) {
WebDocument doc = focused_frame->document();
if (!doc.isNull()) {
WebNode node = doc.focusedNode();
if (!node.isNull())
node.simulateClick();
}
}
}
}
#if defined(OS_ANDROID)
void RenderViewImpl::OnActivateNearestFindResult(int request_id,
float x, float y) {
if (!webview())
return;
WebFrame* main_frame = webview()->mainFrame();
WebRect selection_rect;
int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
&selection_rect);
if (ordinal == -1) {
// Something went wrong, so send a no-op reply (force the main_frame to
// report the current match count) in case the host is waiting for a
// response due to rate-limiting).
main_frame->increaseMatchCount(0, request_id);
return;
}
SendFindReply(request_id,
-1 /* number_of_matches */,
ordinal,
selection_rect,
true /* final_update */);
}
void RenderViewImpl::OnFindMatchRects(int current_version) {
if (!webview())
return;
WebFrame* main_frame = webview()->mainFrame();
std::vector<gfx::RectF> match_rects;
int rects_version = main_frame->findMatchMarkersVersion();
if (current_version != rects_version) {
WebVector<WebFloatRect> web_match_rects;
main_frame->findMatchRects(web_match_rects);
match_rects.reserve(web_match_rects.size());
for (size_t i = 0; i < web_match_rects.size(); ++i)
match_rects.push_back(gfx::RectF(web_match_rects[i]));
}
gfx::RectF active_rect = main_frame->activeFindMatchRect();
Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
rects_version,
match_rects,
active_rect));
}
#endif
void RenderViewImpl::OnZoom(PageZoom zoom) {
if (!webview()) // Not sure if this can happen, but no harm in being safe.
return;
webview()->hidePopups();
double old_zoom_level = webview()->zoomLevel();
double zoom_level;
if (zoom == PAGE_ZOOM_RESET) {
zoom_level = 0;
} else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
// Previous zoom level is a whole number, so just increment/decrement.
zoom_level = old_zoom_level + zoom;
} else {
// Either the user hit the zoom factor limit and thus the zoom level is now
// not a whole number, or a plugin changed it to a custom value. We want
// to go to the next whole number so that the user can always get back to
// 100% with the keyboard/menu.
if ((old_zoom_level > 1 && zoom > 0) ||
(old_zoom_level < 1 && zoom < 0)) {
zoom_level = static_cast<int>(old_zoom_level + zoom);
} else {
// We're going towards 100%, so first go to the next whole number.
zoom_level = static_cast<int>(old_zoom_level);
}
}
webview()->setZoomLevel(zoom_level);
zoomLevelChanged();
}
void RenderViewImpl::OnZoomFactor(PageZoom zoom, int zoom_center_x,
int zoom_center_y) {
ZoomFactorHelper(zoom, zoom_center_x, zoom_center_y,
kScalingIncrementForGesture);
}
void RenderViewImpl::ZoomFactorHelper(PageZoom zoom,
int zoom_center_x,
int zoom_center_y,
float scaling_increment) {
if (!webview()) // Not sure if this can happen, but no harm in being safe.
return;
double old_page_scale_factor = webview()->pageScaleFactor();
double page_scale_factor;
if (zoom == PAGE_ZOOM_RESET) {
page_scale_factor = 1.0;
} else {
page_scale_factor = old_page_scale_factor +
(zoom > 0 ? scaling_increment : -scaling_increment);
}
if (page_scale_factor > 0) {
webview()->setPageScaleFactor(page_scale_factor,
WebPoint(zoom_center_x, zoom_center_y));
}
}
void RenderViewImpl::OnSetZoomLevel(double zoom_level) {
webview()->hidePopups();
webview()->setZoomLevel(zoom_level);
zoomLevelChanged();
}
void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
double zoom_level) {
#if !defined(OS_ANDROID)
// On Android, page zoom isn't used, and in case of WebView, text zoom is used
// for legacy WebView text scaling emulation. Thus, the code that resets
// the zoom level from this map will be effectively resetting text zoom level.
host_zoom_levels_[url] = zoom_level;
#endif
}
void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
}
void RenderViewImpl::OnResetPageEncodingToDefault() {
WebString no_encoding;
webview()->setPageEncoding(no_encoding);
}
WebFrame* RenderViewImpl::GetChildFrame(const base::string16& xpath) const {
if (xpath.empty())
return webview()->mainFrame();
// xpath string can represent a frame deep down the tree (across multiple
// frame DOMs).
// Example, /html/body/table/tbody/tr/td/iframe\n/frameset/frame[0]
// should break into 2 xpaths
// /html/body/table/tbody/tr/td/iframe & /frameset/frame[0]
std::vector<base::string16> xpaths;
base::SplitString(xpath, '\n', &xpaths);
WebFrame* frame = webview()->mainFrame();
for (std::vector<base::string16>::const_iterator i = xpaths.begin();
frame && i != xpaths.end(); ++i) {
frame = frame->findChildByExpression(*i);
}
return frame;
}
void RenderViewImpl::OnScriptEvalRequest(const base::string16& frame_xpath,
const base::string16& jscript,
int id,
bool notify_result) {
TRACE_EVENT_INSTANT0("test_tracing", "OnScriptEvalRequest",
TRACE_EVENT_SCOPE_THREAD);
EvaluateScript(frame_xpath, jscript, id, notify_result);
}
void RenderViewImpl::OnPostMessageEvent(
const ViewMsg_PostMessage_Params& params) {
// TODO(nasko): Support sending to subframes.
WebFrame* frame = webview()->mainFrame();
// Find the source frame if it exists.
WebFrame* source_frame = NULL;
if (params.source_routing_id != MSG_ROUTING_NONE) {
RenderViewImpl* source_view = FromRoutingID(params.source_routing_id);
if (source_view)
source_frame = source_view->webview()->mainFrame();
}
// If the message contained MessagePorts, create the corresponding endpoints.
DCHECK_EQ(params.message_port_ids.size(), params.new_routing_ids.size());
blink::WebMessagePortChannelArray channels(params.message_port_ids.size());
for (size_t i = 0;
i < params.message_port_ids.size() && i < params.new_routing_ids.size();
++i) {
channels[i] =
new WebMessagePortChannelImpl(params.new_routing_ids[i],
params.message_port_ids[i],
base::MessageLoopProxy::current().get());
}
// Create an event with the message. The final parameter to initMessageEvent
// is the last event ID, which is not used with postMessage.
WebDOMEvent event = frame->document().createEvent("MessageEvent");
WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
msg_event.initMessageEvent("message",
// |canBubble| and |cancellable| are always false
false, false,
WebSerializedScriptValue::fromString(params.data),
params.source_origin, source_frame, "", channels);
// We must pass in the target_origin to do the security check on this side,
// since it may have changed since the original postMessage call was made.
WebSecurityOrigin target_origin;
if (!params.target_origin.empty()) {
target_origin =
WebSecurityOrigin::createFromString(WebString(params.target_origin));
}
frame->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
}
void RenderViewImpl::OnCSSInsertRequest(const base::string16& frame_xpath,
const std::string& css) {
WebFrame* frame = GetChildFrame(frame_xpath);
if (!frame)
return;
frame->document().insertUserStyleSheet(
WebString::fromUTF8(css),
WebDocument::UserStyleAuthorLevel);
}
void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
!(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
// WebUI uses <dialog> which is not yet enabled by default in Chrome.
WebRuntimeFeatures::enableDialogElement(true);
RenderThread::Get()->RegisterExtension(WebUIExtension::Get());
new WebUIExtensionData(this);
}
enabled_bindings_ |= enabled_bindings_flags;
// Keep track of the total bindings accumulated in this process.
RenderProcess::current()->AddBindings(enabled_bindings_flags);
}
void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
const gfx::Point& client_point,
const gfx::Point& screen_point,
WebDragOperationsMask ops,
int key_modifiers) {
WebDragOperation operation = webview()->dragTargetDragEnter(
DropDataToWebDragData(drop_data),
client_point,
screen_point,
ops,
key_modifiers);
Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
}
void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
const gfx::Point& screen_point,
WebDragOperationsMask ops,
int key_modifiers) {
WebDragOperation operation = webview()->dragTargetDragOver(
client_point,
screen_point,
ops,
key_modifiers);
Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
}
void RenderViewImpl::OnDragTargetDragLeave() {
webview()->dragTargetDragLeave();
}
void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
const gfx::Point& screen_point,
int key_modifiers) {
webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
Send(new DragHostMsg_TargetDrop_ACK(routing_id_));
}
void RenderViewImpl::OnDragSourceEndedOrMoved(const gfx::Point& client_point,
const gfx::Point& screen_point,
bool ended,
WebDragOperation op) {
if (ended) {
webview()->dragSourceEndedAt(client_point, screen_point, op);
} else {
webview()->dragSourceMovedTo(client_point, screen_point, op);
}
}
void RenderViewImpl::OnDragSourceSystemDragEnded() {
webview()->dragSourceSystemDragEnded();
}
void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
webkit_preferences_ = prefs;
ApplyWebPreferences(webkit_preferences_, webview());
}
void RenderViewImpl::OnUpdateTimezone() {
if (webview())
NotifyTimezoneChange(webview()->mainFrame());
}
void RenderViewImpl::OnSetAltErrorPageURL(const GURL& url) {
alternate_error_page_url_ = url;
}
void RenderViewImpl::OnCustomContextMenuAction(
const CustomContextMenuContext& custom_context,
unsigned action) {
if (custom_context.request_id) {
// External context menu request, look in our map.
ContextMenuClient* client =
pending_context_menus_.Lookup(custom_context.request_id);
if (client)
client->OnMenuAction(custom_context.request_id, action);
} else {
// Internal request, forward to WebKit.
webview()->performCustomContextMenuAction(action);
}
}
void RenderViewImpl::OnEnumerateDirectoryResponse(
int id,
const std::vector<base::FilePath>& paths) {
if (!enumeration_completions_[id])
return;
WebVector<WebString> ws_file_names(paths.size());
for (size_t i = 0; i < paths.size(); ++i)
ws_file_names[i] = paths[i].AsUTF16Unsafe();
enumeration_completions_[id]->didChooseFile(ws_file_names);
enumeration_completions_.erase(id);
}
void RenderViewImpl::OnFileChooserResponse(
const std::vector<ui::SelectedFileInfo>& files) {
// This could happen if we navigated to a different page before the user
// closed the chooser.
if (file_chooser_completions_.empty())
return;
// Convert Chrome's SelectedFileInfo list to WebKit's.
WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
files.size());
for (size_t i = 0; i < files.size(); ++i) {
WebFileChooserCompletion::SelectedFileInfo selected_file;
selected_file.path = files[i].local_path.AsUTF16Unsafe();
selected_file.displayName =
base::FilePath(files[i].display_name).AsUTF16Unsafe();
selected_files[i] = selected_file;
}
if (file_chooser_completions_.front()->completion)
file_chooser_completions_.front()->completion->didChooseFile(
selected_files);
file_chooser_completions_.pop_front();
// If there are more pending file chooser requests, schedule one now.
if (!file_chooser_completions_.empty()) {
Send(new ViewHostMsg_RunFileChooser(routing_id_,
file_chooser_completions_.front()->params));
}
}
void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
const gfx::Size& max_size) {
DCHECK(disable_scrollbars_size_limit_.IsEmpty());
if (!webview())
return;
auto_resize_mode_ = true;
webview()->enableAutoResizeMode(min_size, max_size);
}
void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
DCHECK(disable_scrollbars_size_limit_.IsEmpty());
if (!webview())
return;
auto_resize_mode_ = false;
webview()->disableAutoResizeMode();
if (!new_size.IsEmpty()) {
Resize(new_size,
physical_backing_size_,
overdraw_bottom_height_,
resizer_rect_,
is_fullscreen_,
NO_RESIZE_ACK);
}
}
void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
if (send_preferred_size_changes_)
return;
send_preferred_size_changes_ = true;
// Start off with an initial preferred size notification (in case
// |didUpdateLayout| was already called).
didUpdateLayout();
}
void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
const gfx::Size& disable_scrollbar_size_limit) {
disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
}
void RenderViewImpl::OnSetRendererPrefs(
const RendererPreferences& renderer_prefs) {
double old_zoom_level = renderer_preferences_.default_zoom_level;
renderer_preferences_ = renderer_prefs;
UpdateFontRenderingFromRendererPrefs();
#if defined(USE_DEFAULT_RENDER_THEME) || defined(TOOLKIT_GTK)
if (renderer_prefs.use_custom_colors) {
WebColorName name = blink::WebColorWebkitFocusRingColor;
blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
#if defined(TOOLKIT_GTK)
ui::NativeTheme::instance()->SetScrollbarColors(
renderer_prefs.thumb_inactive_color,
renderer_prefs.thumb_active_color,
renderer_prefs.track_color);
#endif // defined(TOOLKIT_GTK)
if (webview()) {
webview()->setSelectionColors(
renderer_prefs.active_selection_bg_color,
renderer_prefs.active_selection_fg_color,
renderer_prefs.inactive_selection_bg_color,
renderer_prefs.inactive_selection_fg_color);
webview()->themeChanged();
}
}
#endif // defined(USE_DEFAULT_RENDER_THEME) || defined(TOOLKIT_GTK)
if (RenderThreadImpl::current()) // Will be NULL during unit tests.
RenderThreadImpl::current()->SetFlingCurveParameters(
renderer_prefs.touchpad_fling_profile,
renderer_prefs.touchscreen_fling_profile);
// If the zoom level for this page matches the old zoom default, and this
// is not a plugin, update the zoom level to match the new default.
if (webview() && !webview()->mainFrame()->document().isPluginDocument() &&
!ZoomValuesEqual(old_zoom_level,
renderer_preferences_.default_zoom_level) &&
ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
zoomLevelChanged();
}
}
void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
const WebMediaPlayerAction& action) {
if (webview())
webview()->performMediaPlayerAction(action, location);
}
void RenderViewImpl::OnOrientationChangeEvent(int orientation) {
// Screen has rotated. 0 = default (portrait), 90 = one turn right, and so on.
FOR_EACH_OBSERVER(RenderViewObserver,
observers_,
OrientationChangeEvent(orientation));
webview()->mainFrame()->sendOrientationChangeEvent(orientation);
}
void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
const WebPluginAction& action) {
if (webview())
webview()->performPluginAction(action, location);
}
void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
const GURL& page_url) {
// Prepare list to storage all savable resource links.
std::vector<GURL> resources_list;
std::vector<GURL> referrer_urls_list;
std::vector<blink::WebReferrerPolicy> referrer_policies_list;
std::vector<GURL> frames_list;
SavableResourcesResult result(&resources_list,
&referrer_urls_list,
&referrer_policies_list,
&frames_list);
// webkit/ doesn't know about Referrer.
if (!GetAllSavableResourceLinksForCurrentPage(
webview(),
page_url,
&result,
const_cast<const char**>(GetSavableSchemes()))) {
// If something is wrong when collecting all savable resource links,
// send empty list to embedder(browser) to tell it failed.
referrer_urls_list.clear();
referrer_policies_list.clear();
resources_list.clear();
frames_list.clear();
}
std::vector<Referrer> referrers_list;
CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
referrers_list.push_back(
Referrer(referrer_urls_list[i], referrer_policies_list[i]));
}
// Send result of all savable resource links to embedder.
Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
resources_list,
referrers_list,
frames_list));
}
void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
const std::vector<GURL>& links,
const std::vector<base::FilePath>& local_paths,
const base::FilePath& local_directory_name) {
// Convert std::vector of GURLs to WebVector<WebURL>
WebVector<WebURL> weburl_links(links);
// Convert std::vector of base::FilePath to WebVector<WebString>
WebVector<WebString> webstring_paths(local_paths.size());
for (size_t i = 0; i < local_paths.size(); i++)
webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
WebPageSerializer::serialize(webview()->mainFrame(), true, this, weburl_links,
webstring_paths,
local_directory_name.AsUTF16Unsafe());
}
void RenderViewImpl::OnShouldClose() {
base::TimeTicks before_unload_start_time = base::TimeTicks::Now();
bool should_close = webview()->dispatchBeforeUnloadEvent();
base::TimeTicks before_unload_end_time = base::TimeTicks::Now();
Send(new ViewHostMsg_ShouldClose_ACK(routing_id_, should_close,
before_unload_start_time,
before_unload_end_time));
}
void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
// Don't show any more dialogs until we finish OnSwapOut.
suppress_dialogs_until_swap_out_ = true;
}
void RenderViewImpl::OnSwapOut() {
// Only run unload if we're not swapped out yet, but send the ack either way.
if (!is_swapped_out_) {
// Swap this RenderView out so the tab can navigate to a page rendered by a
// different process. This involves running the unload handler and clearing
// the page. Once WasSwappedOut is called, we also allow this process to
// exit if there are no other active RenderViews in it.
// Send an UpdateState message before we get swapped out.
SyncNavigationState();
// Synchronously run the unload handler before sending the ACK.
webview()->dispatchUnloadEvent();
// Swap out and stop sending any IPC messages that are not ACKs.
SetSwappedOut(true);
// Now that we're swapped out and filtering IPC messages, stop loading to
// ensure that no other in-progress navigation continues. We do this here
// to avoid sending a DidStopLoading message to the browser process.
OnStop();
// Replace the page with a blank dummy URL. The unload handler will not be
// run a second time, thanks to a check in FrameLoader::stopLoading.
// TODO(creis): Need to add a better way to do this that avoids running the
// beforeunload handler. For now, we just run it a second time silently.
NavigateToSwappedOutURL(webview()->mainFrame());
// Let WebKit know that this view is hidden so it can drop resources and
// stop compositing.
webview()->setVisibilityState(blink::WebPageVisibilityStateHidden, false);
}
// It is now safe to show modal dialogs again.
suppress_dialogs_until_swap_out_ = false;
Send(new ViewHostMsg_SwapOut_ACK(routing_id_));
}
void RenderViewImpl::NavigateToSwappedOutURL(blink::WebFrame* frame) {
// We use loadRequest instead of loadHTMLString because the former commits
// synchronously. Otherwise a new navigation can interrupt the navigation
// to kSwappedOutURL. If that happens to be to the page we had been
// showing, then WebKit will never send a commit and we'll be left spinning.
CHECK(is_swapped_out_);
GURL swappedOutURL(kSwappedOutURL);
WebURLRequest request(swappedOutURL);
frame->loadRequest(request);
}
void RenderViewImpl::OnClosePage() {
FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
// TODO(creis): We'd rather use webview()->Close() here, but that currently
// sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
// in the onunload handler from appearing. For now, we're bypassing that and
// calling the FrameLoader's CloseURL method directly. This should be
// revisited to avoid having two ways to close a page. Having a single way
// to close that can run onunload is also useful for fixing
// http://b/issue?id=753080.
webview()->dispatchUnloadEvent();
Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
}
void RenderViewImpl::OnThemeChanged() {
#if defined(USE_AURA)
// Aura doesn't care if we switch themes.
#elif defined(OS_WIN)
ui::NativeThemeWin::instance()->CloseHandles();
if (webview())
webview()->themeChanged();
#else // defined(OS_WIN)
// TODO(port): we don't support theming on non-Windows platforms yet
NOTIMPLEMENTED();
#endif
}
bool RenderViewImpl::MaybeLoadAlternateErrorPage(WebFrame* frame,
const WebURLError& error,
bool replace) {
// We only show alternate error pages in the main frame. They are
// intended to assist the user when navigating, so there is not much
// value in showing them for failed subframes. Ideally, we would be
// able to use the TYPED transition type for this, but that flag is
// not preserved across page reloads.
if (frame->parent())
return false;
// Use the alternate error page service if this is a DNS failure or
// connection failure.
int ec = error.reason;
if (ec != net::ERR_NAME_NOT_RESOLVED &&
ec != net::ERR_CONNECTION_FAILED &&
ec != net::ERR_CONNECTION_REFUSED &&
ec != net::ERR_ADDRESS_UNREACHABLE &&
ec != net::ERR_CONNECTION_TIMED_OUT) {
return false;
}
const GURL& error_page_url = GetAlternateErrorPageURL(error.unreachableURL,
ec == net::ERR_NAME_NOT_RESOLVED ? DNS_ERROR : CONNECTION_ERROR);
if (!error_page_url.is_valid())
return false;
WebDataSource* ds = frame->provisionalDataSource();
const WebURLRequest& failed_request = ds->request();
// Load an empty page first so there is an immediate response to the error,
// and then kick off a request for the alternate error page.
frame->loadHTMLString(std::string(),
GURL(kUnreachableWebDataURL),
error.unreachableURL,
replace);
// Now, create a fetcher for the error page and associate it with the data
// source we just created via the LoadHTMLString call. That way if another
// navigation occurs, the fetcher will get destroyed.
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDataSource(frame->provisionalDataSource());
internal_data->set_alt_error_page_fetcher(
new AltErrorPageResourceFetcher(
error_page_url, frame, failed_request, error,
base::Bind(&RenderViewImpl::AltErrorPageFinished,
base::Unretained(this))));
return true;
}
void RenderViewImpl::AltErrorPageFinished(WebFrame* frame,
const WebURLRequest& original_request,
const WebURLError& original_error,
const std::string& html) {
// Here, we replace the blank page we loaded previously.
// If we failed to download the alternate error page, LoadNavigationErrorPage
// will simply display a default error page.
LoadNavigationErrorPage(frame, original_request, original_error, html, true);
}
void RenderViewImpl::OnMoveOrResizeStarted() {
if (webview())
webview()->hidePopups();
}
void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
if (webview()) {
webview()->hidePopups();
if (send_preferred_size_changes_) {
webview()->mainFrame()->setCanHaveScrollbars(
ShouldDisplayScrollbars(params.new_size.width(),
params.new_size.height()));
}
UpdateScrollState(webview()->mainFrame());
}
RenderWidget::OnResize(params);
}
void RenderViewImpl::DidInitiatePaint() {
#if defined(ENABLE_PLUGINS)
main_render_frame_->DidInitiatePaint();
#endif
}
void RenderViewImpl::DidFlushPaint() {
#if defined(ENABLE_PLUGINS)
main_render_frame_->DidFlushPaint();
#endif
// If the RenderWidget is closing down then early-exit, otherwise we'll crash.
// See crbug.com/112921.
if (!webview())
return;
WebFrame* main_frame = webview()->mainFrame();
// If we have a provisional frame we are between the start and commit stages
// of loading and we don't want to save stats.
if (!main_frame->provisionalDataSource()) {
WebDataSource* ds = main_frame->dataSource();
DocumentState* document_state = DocumentState::FromDataSource(ds);
InternalDocumentStateData* data =
InternalDocumentStateData::FromDocumentState(document_state);
if (data->did_first_visually_non_empty_layout() &&
!data->did_first_visually_non_empty_paint()) {
data->set_did_first_visually_non_empty_paint(true);
Send(new ViewHostMsg_DidFirstVisuallyNonEmptyPaint(routing_id_,
page_id_));
}
// TODO(jar): The following code should all be inside a method, probably in
// NavigatorState.
Time now = Time::Now();
if (document_state->first_paint_time().is_null()) {
document_state->set_first_paint_time(now);
}
if (document_state->first_paint_after_load_time().is_null() &&
!document_state->finish_load_time().is_null()) {
document_state->set_first_paint_after_load_time(now);
}
}
}
PepperPluginInstanceImpl* RenderViewImpl::GetBitmapForOptimizedPluginPaint(
const gfx::Rect& paint_bounds,
TransportDIB** dib,
gfx::Rect* location,
gfx::Rect* clip,
float* scale_factor) {
#if defined(ENABLE_PLUGINS)
return main_render_frame_->GetBitmapForOptimizedPluginPaint(
paint_bounds, dib, location, clip, scale_factor);
#endif
return NULL;
}
gfx::Vector2d RenderViewImpl::GetScrollOffset() {
WebSize scroll_offset = webview()->mainFrame()->scrollOffset();
return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
}
void RenderViewImpl::OnClearFocusedNode() {
if (webview())
webview()->clearFocusedNode();
}
void RenderViewImpl::OnSetBackground(const SkBitmap& background) {
if (webview())
webview()->setIsTransparent(!background.empty());
if (compositor_)
compositor_->setHasTransparentBackground(!background.empty());
SetBackground(background);
}
void RenderViewImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
if (accessibility_mode_ == new_mode)
return;
accessibility_mode_ = new_mode;
if (renderer_accessibility_) {
delete renderer_accessibility_;
renderer_accessibility_ = NULL;
}
if (accessibility_mode_ == AccessibilityModeComplete)
renderer_accessibility_ = new RendererAccessibilityComplete(this);
#if !defined(OS_ANDROID)
else if (accessibility_mode_ == AccessibilityModeEditableTextOnly)
renderer_accessibility_ = new RendererAccessibilityFocusOnly(this);
#endif
}
void RenderViewImpl::OnSetActive(bool active) {
if (webview())
webview()->setIsActive(active);
#if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->SetWindowFocus(active);
}
#endif
}
#if defined(OS_MACOSX)
void RenderViewImpl::OnSetWindowVisibility(bool visible) {
#if defined(ENABLE_PLUGINS)
// Inform plugins that their container has changed visibility.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->SetContainerVisibility(visible);
}
#endif
}
void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
const gfx::Rect& view_frame) {
#if defined(ENABLE_PLUGINS)
// Inform plugins that their window's frame has changed.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->WindowFrameChanged(window_frame, view_frame);
}
#endif
}
void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
int plugin_id) {
// WebPluginDelegateProxy is responsible for figuring out if this event
// applies to it or not, so inform all the delegates.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->ImeCompositionCompleted(text, plugin_id);
}
}
#endif // OS_MACOSX
void RenderViewImpl::Close() {
// We need to grab a pointer to the doomed WebView before we destroy it.
WebView* doomed = webview();
RenderWidget::Close();
g_view_map.Get().erase(doomed);
g_routing_id_view_map.Get().erase(routing_id_);
}
void RenderViewImpl::DidHandleKeyEvent() {
ClearEditCommands();
}
bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
context_menu_source_type_ = ui::MENU_SOURCE_MOUSE;
possible_drag_event_info_.event_source =
ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
possible_drag_event_info_.event_location =
gfx::Point(event.globalX, event.globalY);
#if defined(ENABLE_PLUGINS)
main_render_frame_->WillHandleMouseEvent(event);
#endif
// If the mouse is locked, only the current owner of the mouse lock can
// process mouse events.
return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
}
bool RenderViewImpl::WillHandleKeyEvent(const blink::WebKeyboardEvent& event) {
context_menu_source_type_ = ui::MENU_SOURCE_KEYBOARD;
return false;
}
bool RenderViewImpl::WillHandleGestureEvent(
const blink::WebGestureEvent& event) {
context_menu_source_type_ = ui::MENU_SOURCE_TOUCH;
possible_drag_event_info_.event_source =
ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
possible_drag_event_info_.event_location =
gfx::Point(event.globalX, event.globalY);
return false;
}
void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) {
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event));
}
void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) {
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event));
}
bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
if (!webview())
return false;
return webview()->hasTouchEventHandlersAt(point);
}
void RenderViewImpl::OnWasHidden() {
RenderWidget::OnWasHidden();
#if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
RenderThreadImpl::current()->video_capture_impl_manager()->
SuspendDevices(true);
#endif
if (webview())
webview()->setVisibilityState(visibilityState(), false);
#if defined(ENABLE_PLUGINS)
main_render_frame_->PageVisibilityChanged(false);
#if defined(OS_MACOSX)
// Inform NPAPI plugins that their container is no longer visible.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->SetContainerVisibility(false);
}
#endif // OS_MACOSX
#endif // ENABLE_PLUGINS
}
void RenderViewImpl::OnWasShown(bool needs_repainting) {
RenderWidget::OnWasShown(needs_repainting);
#if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
RenderThreadImpl::current()->video_capture_impl_manager()->
SuspendDevices(false);
#endif
if (webview())
webview()->setVisibilityState(visibilityState(), false);
#if defined(ENABLE_PLUGINS)
main_render_frame_->PageVisibilityChanged(true);
#if defined(OS_MACOSX)
// Inform NPAPI plugins that their container is now visible.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->SetContainerVisibility(true);
}
#endif // OS_MACOSX
#endif // ENABLE_PLUGINS
}
GURL RenderViewImpl::GetURLForGraphicsContext3D() {
DCHECK(webview());
if (webview()->mainFrame())
return GURL(webview()->mainFrame()->document().url());
else
return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
}
bool RenderViewImpl::ForceCompositingModeEnabled() {
return webkit_preferences_.force_compositing_mode;
}
void RenderViewImpl::OnSetFocus(bool enable) {
RenderWidget::OnSetFocus(enable);
#if defined(ENABLE_PLUGINS)
if (webview() && webview()->isActive()) {
// Notify all NPAPI plugins.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
#if defined(OS_MACOSX)
// RenderWidget's call to setFocus can cause the underlying webview's
// activation state to change just like a call to setIsActive.
if (enable)
(*plugin_it)->SetWindowFocus(true);
#endif
(*plugin_it)->SetContentAreaFocus(enable);
}
}
main_render_frame_->OnSetFocus(enable);
#endif
// Notify all BrowserPlugins of the RenderView's focus state.
if (browser_plugin_manager_.get())
browser_plugin_manager_->UpdateFocusState();
}
void RenderViewImpl::OnImeSetComposition(
const base::string16& text,
const std::vector<blink::WebCompositionUnderline>& underlines,
int selection_start,
int selection_end) {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
focused_pepper_plugin_->render_frame()->OnImeSetComposition(
text, underlines, selection_start, selection_end);
return;
}
#if defined(OS_WIN)
// When a plug-in has focus, we create platform-specific IME data used by
// our IME emulator and send it directly to the focused plug-in, i.e. we
// bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
// instance ID is the same one as the specified ID.)
if (focused_plugin_id_ >= 0) {
std::vector<int> clauses;
std::vector<int> target;
for (size_t i = 0; i < underlines.size(); ++i) {
clauses.push_back(underlines[i].startOffset);
clauses.push_back(underlines[i].endOffset);
if (underlines[i].thick) {
target.clear();
target.push_back(underlines[i].startOffset);
target.push_back(underlines[i].endOffset);
}
}
std::set<WebPluginDelegateProxy*>::iterator it;
for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
(*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
focused_plugin_id_);
}
return;
}
#endif // OS_WIN
#endif // ENABLE_PLUGINS
RenderWidget::OnImeSetComposition(text,
underlines,
selection_start,
selection_end);
}
void RenderViewImpl::OnImeConfirmComposition(
const base::string16& text,
const gfx::Range& replacement_range,
bool keep_selection) {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
text, replacement_range, keep_selection);
return;
}
#if defined(OS_WIN)
// Same as OnImeSetComposition(), we send the text from IMEs directly to
// plug-ins. When we send IME text directly to plug-ins, we should not send
// it to WebKit to prevent WebKit from controlling IMEs.
// TODO(thakis): Honor |replacement_range| for plugins?
if (focused_plugin_id_ >= 0) {
std::set<WebPluginDelegateProxy*>::iterator it;
for (it = plugin_delegates_.begin();
it != plugin_delegates_.end(); ++it) {
(*it)->ImeCompositionCompleted(text, focused_plugin_id_);
}
return;
}
#endif // OS_WIN
#endif // ENABLE_PLUGINS
if (replacement_range.IsValid() && webview()) {
// Select the text in |replacement_range|, it will then be replaced by
// text added by the call to RenderWidget::OnImeConfirmComposition().
if (WebFrame* frame = webview()->focusedFrame()) {
WebRange webrange = WebRange::fromDocumentRange(
frame, replacement_range.start(), replacement_range.length());
if (!webrange.isNull())
frame->selectRange(webrange);
}
}
RenderWidget::OnImeConfirmComposition(text,
replacement_range,
keep_selection);
}
void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
RenderWidget::SetDeviceScaleFactor(device_scale_factor);
if (webview()) {
webview()->setDeviceScaleFactor(device_scale_factor);
webview()->settings()->setAcceleratedCompositingForFixedPositionEnabled(
ShouldUseFixedPositionCompositing(device_scale_factor_));
webview()->settings()->setAcceleratedCompositingForOverflowScrollEnabled(
ShouldUseAcceleratedCompositingForOverflowScroll(device_scale_factor_));
webview()->settings()->setAcceleratedCompositingForTransitionEnabled(
ShouldUseTransitionCompositing(device_scale_factor_));
webview()->settings()->
setAcceleratedCompositingForFixedRootBackgroundEnabled(
ShouldUseAcceleratedFixedRootBackground(device_scale_factor_));
webview()->settings()->setAcceleratedCompositingForScrollableFramesEnabled(
ShouldUseAcceleratedCompositingForScrollableFrames(
device_scale_factor_));
webview()->settings()->setCompositedScrollingForFramesEnabled(
ShouldUseCompositedScrollingForFrames(device_scale_factor_));
}
if (auto_resize_mode_)
AutoResizeCompositor();
if (browser_plugin_manager_.get())
browser_plugin_manager_->UpdateDeviceScaleFactor(device_scale_factor_);
}
ui::TextInputType RenderViewImpl::GetTextInputType() {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_)
return focused_pepper_plugin_->text_input_type();
#endif
return RenderWidget::GetTextInputType();
}
void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
// TODO(kinaba) http://crbug.com/101101
// Current Pepper IME API does not handle selection bounds. So we simply
// use the caret position as an empty range for now. It will be updated
// after Pepper API equips features related to surrounding text retrieval.
gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
*start = caret;
*end = caret;
return;
}
#endif
RenderWidget::GetSelectionBounds(start, end);
}
#if defined(OS_MACOSX) || defined(OS_WIN) || defined(USE_AURA)
void RenderViewImpl::GetCompositionCharacterBounds(
std::vector<gfx::Rect>* bounds) {
DCHECK(bounds);
bounds->clear();
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
return;
}
#endif
if (!webview())
return;
size_t start_offset = 0;
size_t character_count = 0;
if (!webview()->compositionRange(&start_offset, &character_count))
return;
if (character_count == 0)
return;
blink::WebFrame* frame = webview()->focusedFrame();
if (!frame)
return;
bounds->reserve(character_count);
blink::WebRect webrect;
for (size_t i = 0; i < character_count; ++i) {
if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
bounds->clear();
return;
}
bounds->push_back(webrect);
}
}
void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
return;
}
#endif
RenderWidget::GetCompositionRange(range);
}
#endif
bool RenderViewImpl::CanComposeInline() {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_)
return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
#endif
return true;
}
void RenderViewImpl::InstrumentWillBeginFrame(int frame_id) {
if (!webview())
return;
if (!webview()->devToolsAgent())
return;
webview()->devToolsAgent()->didBeginFrame(frame_id);
}
void RenderViewImpl::InstrumentDidBeginFrame() {
if (!webview())
return;
if (!webview()->devToolsAgent())
return;
// TODO(jamesr/caseq): Decide if this needs to be renamed.
webview()->devToolsAgent()->didComposite();
}
void RenderViewImpl::InstrumentDidCancelFrame() {
if (!webview())
return;
if (!webview()->devToolsAgent())
return;
webview()->devToolsAgent()->didCancelFrame();
}
void RenderViewImpl::InstrumentWillComposite() {
if (!webview())
return;
if (!webview()->devToolsAgent())
return;
webview()->devToolsAgent()->willComposite();
}
bool RenderViewImpl::AllowPartialSwap() const {
return allow_partial_swap_;
}
void RenderViewImpl::SetScreenMetricsEmulationParameters(
float device_scale_factor,
const gfx::Point& root_layer_offset,
float root_layer_scale) {
if (webview()) {
webview()->setCompositorDeviceScaleFactorOverride(device_scale_factor);
webview()->setRootLayerTransform(
blink::WebSize(root_layer_offset.x(), root_layer_offset.y()),
root_layer_scale);
}
}
bool RenderViewImpl::ScheduleFileChooser(
const FileChooserParams& params,
WebFileChooserCompletion* completion) {
static const size_t kMaximumPendingFileChooseRequests = 4;
if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
// This sanity check prevents too many file choose requests from getting
// queued which could DoS the user. Getting these is most likely a
// programming error (there are many ways to DoS the user so it's not
// considered a "real" security check), either in JS requesting many file
// choosers to pop up, or in a plugin.
//
// TODO(brettw) we might possibly want to require a user gesture to open
// a file picker, which will address this issue in a better way.
return false;
}
file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
new PendingFileChooser(params, completion)));
if (file_chooser_completions_.size() == 1) {
// Actually show the browse dialog when this is the first request.
Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
}
return true;
}
blink::WebGeolocationClient* RenderViewImpl::geolocationClient() {
if (!geolocation_dispatcher_)
geolocation_dispatcher_ = new GeolocationDispatcher(this);
return geolocation_dispatcher_;
}
blink::WebSpeechInputController* RenderViewImpl::speechInputController(
blink::WebSpeechInputListener* listener) {
#if defined(ENABLE_INPUT_SPEECH)
if (!input_tag_speech_dispatcher_)
input_tag_speech_dispatcher_ =
new InputTagSpeechDispatcher(this, listener);
#endif
return input_tag_speech_dispatcher_;
}
blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
if (!speech_recognition_dispatcher_)
speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
return speech_recognition_dispatcher_;
}
void RenderViewImpl::zoomLimitsChanged(double minimum_level,
double maximum_level) {
// For now, don't remember plugin zoom values. We don't want to mix them with
// normal web content (i.e. a fixed layout plugin would usually want them
// different).
bool remember = !webview()->mainFrame()->document().isPluginDocument();
int minimum_percent = static_cast<int>(
ZoomLevelToZoomFactor(minimum_level) * 100);
int maximum_percent = static_cast<int>(
ZoomLevelToZoomFactor(maximum_level) * 100);
Send(new ViewHostMsg_UpdateZoomLimits(
routing_id_, minimum_percent, maximum_percent, remember));
}
void RenderViewImpl::zoomLevelChanged() {
bool remember = !webview()->mainFrame()->document().isPluginDocument();
float zoom_level = webview()->zoomLevel();
FOR_EACH_OBSERVER(RenderViewObserver, observers_, ZoomLevelChanged());
// Tell the browser which url got zoomed so it can update the menu and the
// saved values if necessary
Send(new ViewHostMsg_DidZoomURL(
routing_id_, zoom_level, remember,
GURL(webview()->mainFrame()->document().url())));
}
double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
return ZoomLevelToZoomFactor(zoom_level);
}
double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
return ZoomFactorToZoomLevel(factor);
}
void RenderViewImpl::registerProtocolHandler(const WebString& scheme,
const WebString& base_url,
const WebString& url,
const WebString& title) {
bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
GURL base(base_url);
GURL absolute_url = base.Resolve(UTF16ToUTF8(url));
if (base.GetOrigin() != absolute_url.GetOrigin()) {
return;
}
Send(new ViewHostMsg_RegisterProtocolHandler(routing_id_,
UTF16ToUTF8(scheme),
absolute_url,
title,
user_gesture));
}
blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
blink::WebPageVisibilityState current_state = is_hidden() ?
blink::WebPageVisibilityStateHidden :
blink::WebPageVisibilityStateVisible;
blink::WebPageVisibilityState override_state = current_state;
// TODO(jam): move this method to WebFrameClient.
if (GetContentClient()->renderer()->
ShouldOverridePageVisibilityState(main_render_frame_.get(),
&override_state))
return override_state;
return current_state;
}
blink::WebUserMediaClient* RenderViewImpl::userMediaClient() {
// This can happen in tests, in which case it's OK to return NULL.
if (!InitializeMediaStreamClient())
return NULL;
return web_user_media_client_;
}
blink::WebMIDIClient* RenderViewImpl::webMIDIClient() {
if (!midi_dispatcher_)
midi_dispatcher_ = new MIDIDispatcher(this);
return midi_dispatcher_;
}
void RenderViewImpl::draggableRegionsChanged() {
FOR_EACH_OBSERVER(
RenderViewObserver,
observers_,
DraggableRegionsChanged(webview()->mainFrame()));
}
WebMediaPlayer* RenderViewImpl::CreateWebMediaPlayerForMediaStream(
WebFrame* frame,
const blink::WebURL& url,
WebMediaPlayerClient* client) {
#if defined(ENABLE_WEBRTC)
if (!InitializeMediaStreamClient()) {
LOG(ERROR) << "Failed to initialize MediaStreamClient";
return NULL;
}
#if !defined(GOOGLE_TV)
if (media_stream_client_->IsMediaStream(url)) {
#if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
bool found_neon =
(android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon);
#endif // defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
return new WebMediaPlayerMS(frame, client, AsWeakPtr(),
media_stream_client_, new RenderMediaLog());
}
#endif // !defined(GOOGLE_TV)
#endif // defined(ENABLE_WEBRTC)
return NULL;
}
#if defined(OS_ANDROID)
WebContentDetectionResult RenderViewImpl::detectContentAround(
const WebHitTestResult& touch_hit) {
DCHECK(!touch_hit.isNull());
DCHECK(!touch_hit.node().isNull());
DCHECK(touch_hit.node().isTextNode());
// Process the position with all the registered content detectors until
// a match is found. Priority is provided by their relative order.
for (ContentDetectorList::const_iterator it = content_detectors_.begin();
it != content_detectors_.end(); ++it) {
ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
if (content.valid) {
return WebContentDetectionResult(content.content_boundaries,
UTF8ToUTF16(content.text), content.intent_url);
}
}
return WebContentDetectionResult();
}
void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
// Introduce a short delay so that the user can notice the content.
base::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
AsWeakPtr(),
intent,
expected_content_intent_id_),
base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
}
void RenderViewImpl::cancelScheduledContentIntents() {
++expected_content_intent_id_;
}
void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
size_t request_id) {
if (request_id != expected_content_intent_id_)
return;
// Remove the content highlighting if any.
scheduleComposite();
if (!intent.is_empty())
Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
}
bool RenderViewImpl::openDateTimeChooser(
const blink::WebDateTimeChooserParams& params,
blink::WebDateTimeChooserCompletion* completion) {
// JavaScript may try to open a date time chooser while one is already open.
if (date_time_picker_client_)
return false;
date_time_picker_client_.reset(
new RendererDateTimePicker(this, params, completion));
return date_time_picker_client_->Open();
}
#if defined(OS_ANDROID)
void RenderViewImpl::DismissDateTimeDialog() {
DCHECK(date_time_picker_client_);
date_time_picker_client_.reset(NULL);
}
#endif
WebMediaPlayer* RenderViewImpl::CreateAndroidWebMediaPlayer(
WebFrame* frame,
const blink::WebURL& url,
WebMediaPlayerClient* client) {
GpuChannelHost* gpu_channel_host =
RenderThreadImpl::current()->EstablishGpuChannelSync(
CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
if (!gpu_channel_host) {
LOG(ERROR) << "Failed to establish GPU channel for media player";
return NULL;
}
scoped_ptr<StreamTextureFactory> stream_texture_factory;
if (UsingSynchronousRendererCompositor()) {
SynchronousCompositorFactory* factory =
SynchronousCompositorFactory::GetInstance();
stream_texture_factory = factory->CreateStreamTextureFactory(routing_id_);
} else {
scoped_refptr<cc::ContextProvider> context_provider =
RenderThreadImpl::current()->SharedMainThreadContextProvider();
if (!context_provider.get()) {
LOG(ERROR) << "Failed to get context3d for media player";
return NULL;
}
stream_texture_factory.reset(new StreamTextureFactoryImpl(
context_provider->Context3d(), gpu_channel_host, routing_id_));
}
scoped_ptr<WebMediaPlayerAndroid> web_media_player_android(
new WebMediaPlayerAndroid(
frame,
client,
AsWeakPtr(),
media_player_manager_,
stream_texture_factory.release(),
RenderThreadImpl::current()->GetMediaThreadMessageLoopProxy(),
new RenderMediaLog()));
#if defined(ENABLE_WEBRTC) && defined(GOOGLE_TV)
if (media_stream_client_ && media_stream_client_->IsMediaStream(url)) {
RTCVideoDecoderFactoryTv* factory = RenderThreadImpl::current()
->GetMediaStreamDependencyFactory()->decoder_factory_tv();
// |media_stream_client| and |factory| outlives |web_media_player_android|.
if (!factory->AcquireDemuxer() ||
!web_media_player_android->InjectMediaStream(
media_stream_client_,
factory,
base::Bind(
base::IgnoreResult(&RTCVideoDecoderFactoryTv::ReleaseDemuxer),
base::Unretained(factory)))) {
LOG(ERROR) << "Failed to inject media stream.";
return NULL;
}
}
#endif // defined(ENABLE_WEBRTC) && defined(GOOGLE_TV)
return web_media_player_android.release();
}
#endif // defined(OS_ANDROID)
#if defined(OS_MACOSX)
void RenderViewImpl::OnSelectPopupMenuItem(int selected_index) {
if (external_popup_menu_ == NULL) {
// Crash reports from the field indicate that we can be notified with a
// NULL external popup menu (we probably get notified twice).
// If you hit this please file a bug against jcivelli and include the page
// and steps to repro.
NOTREACHED();
return;
}
external_popup_menu_->DidSelectItem(selected_index);
external_popup_menu_.reset();
}
#endif
#if defined(OS_ANDROID)
void RenderViewImpl::OnSelectPopupMenuItems(
bool canceled,
const std::vector<int>& selected_indices) {
// It is possible to receive more than one of these calls if the user presses
// a select faster than it takes for the show-select-popup IPC message to make
// it to the browser UI thread. Ignore the extra-messages.
// TODO(jcivelli): http:/b/5793321 Implement a better fix, as detailed in bug.
if (!external_popup_menu_)
return;
external_popup_menu_->DidSelectItems(canceled, selected_indices);
external_popup_menu_.reset();
}
#endif
void RenderViewImpl::OnContextMenuClosed(
const CustomContextMenuContext& custom_context) {
if (custom_context.request_id) {
// External request, should be in our map.
ContextMenuClient* client =
pending_context_menus_.Lookup(custom_context.request_id);
if (client) {
client->OnMenuClosed(custom_context.request_id);
pending_context_menus_.Remove(custom_context.request_id);
}
} else {
// Internal request, forward to WebKit.
context_menu_node_.reset();
}
}
void RenderViewImpl::OnShowContextMenu(const gfx::Point& location) {
context_menu_source_type_ = ui::MENU_SOURCE_TOUCH_EDIT_MENU;
touch_editing_context_menu_location_ = location;
if (webview())
webview()->showContextMenu();
}
void RenderViewImpl::OnEnableViewSourceMode() {
if (!webview())
return;
WebFrame* main_frame = webview()->mainFrame();
if (!main_frame)
return;
main_frame->enableViewSourceMode(true);
}
void RenderViewImpl::OnDisownOpener() {
if (!webview())
return;
WebFrame* main_frame = webview()->mainFrame();
if (main_frame && main_frame->opener())
main_frame->setOpener(NULL);
}
#if defined(OS_ANDROID)
bool RenderViewImpl::didTapMultipleTargets(
const blink::WebGestureEvent& event,
const WebVector<WebRect>& target_rects) {
// Never show a disambiguation popup when accessibility is enabled,
// as this interferes with "touch exploration".
if (accessibility_mode_ == AccessibilityModeComplete)
return false;
gfx::Rect finger_rect(
event.x - event.data.tap.width / 2, event.y - event.data.tap.height / 2,
event.data.tap.width, event.data.tap.height);
gfx::Rect zoom_rect;
float new_total_scale =
DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
finger_rect, target_rects, GetSize(),
gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
if (!new_total_scale)
return false;
bool handled = false;
switch (renderer_preferences_.tap_multiple_targets_strategy) {
case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
break;
case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
gfx::Size canvas_size =
gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
TransportDIB* transport_dib = NULL;
{
scoped_ptr<skia::PlatformCanvas> canvas(
RenderProcess::current()->GetDrawingCanvas(&transport_dib,
gfx::Rect(canvas_size)));
if (!canvas) {
handled = false;
break;
}
// TODO(trchen): Cleanup the device scale factor mess.
// device scale will be applied in WebKit
// --> zoom_rect doesn't include device scale,
// but WebKit will still draw on zoom_rect * device_scale_factor_
canvas->scale(new_total_scale / device_scale_factor_,
new_total_scale / device_scale_factor_);
canvas->translate(-zoom_rect.x() * device_scale_factor_,
-zoom_rect.y() * device_scale_factor_);
webwidget_->paint(
canvas.get(),
zoom_rect,
WebWidget::ForceSoftwareRenderingAndIgnoreGPUResidentContent);
}
gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect)));
Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
physical_window_zoom_rect,
canvas_size,
transport_dib->id()));
handled = true;
break;
}
case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
// No-op.
break;
}
return handled;
}
#endif
unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
return history_list_length_;
}
void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
if (enable) {
if (has_focus())
return;
OnSetActive(true);
OnSetFocus(true);
} else {
if (!has_focus())
return;
OnSetFocus(false);
OnSetActive(false);
}
}
void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
ViewMsg_Resize_Params params;
params.screen_info = screen_info_;
params.screen_info.deviceScaleFactor = factor;
params.new_size = size();
params.physical_backing_size =
gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
params.overdraw_bottom_height = 0.f;
params.resizer_rect = WebRect();
params.is_fullscreen = is_fullscreen();
OnResize(params);
}
void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
gfx::Rect new_position(rootWindowRect().x,
rootWindowRect().y,
new_size.width(),
new_size.height());
ResizeSynchronously(new_position);
}
void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
resizing_mode_selector_->set_is_synchronous_mode(enable);
}
void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
const gfx::Size& max_size) {
OnEnableAutoResize(min_size, max_size);
}
void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
OnDisableAutoResize(new_size);
}
void RenderViewImpl::SetMediaStreamClientForTesting(
MediaStreamClient* media_stream_client) {
DCHECK(!media_stream_client_);
DCHECK(!web_user_media_client_);
media_stream_client_ = media_stream_client;
}
void RenderViewImpl::OnReleaseDisambiguationPopupDIB(
TransportDIB::Handle dib_handle) {
TransportDIB* dib = TransportDIB::CreateWithHandle(dib_handle);
RenderProcess::current()->ReleaseTransportDIB(dib);
}
void RenderViewImpl::DidCommitCompositorFrame() {
RenderWidget::DidCommitCompositorFrame();
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
}
void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
if (!urls.empty())
Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, page_id_, urls));
}
void RenderViewImpl::DidStopLoadingIcons() {
int icon_types = WebIconURL::TypeFavicon;
if (TouchEnabled())
icon_types |= WebIconURL::TypeTouchPrecomposed | WebIconURL::TypeTouch;
WebVector<WebIconURL> icon_urls =
webview()->mainFrame()->iconURLs(icon_types);
std::vector<FaviconURL> urls;
for (size_t i = 0; i < icon_urls.size(); i++) {
WebURL url = icon_urls[i].iconURL();
if (!url.isEmpty())
urls.push_back(FaviconURL(url,
ToFaviconType(icon_urls[i].iconType())));
}
SendUpdateFaviconURL(urls);
}
GURL RenderViewImpl::GetOriginalRequestURL(WebDataSource* ds) {
// WebDataSource has unreachable URL means that the frame is loaded through
// blink::WebFrame::loadData(), and the base URL will be in the redirect
// chain. However, we never visited the baseURL. So in this case, we should
// use the unreachable URL as the original URL.
if (ds->hasUnreachableURL())
return ds->unreachableURL();
std::vector<GURL> redirects;
GetRedirectChain(ds, &redirects);
if (!redirects.empty())
return redirects.at(0);
return ds->originalRequest().url();
}
} // namespace content