Java程序
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2088行
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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.wm;
import static android.app.ActivityManager.StackId;
import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
import static android.view.Display.DEFAULT_DISPLAY;
import static android.view.WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
import static android.view.WindowManager.LayoutParams.FLAG_SCALED;
import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
import static com.android.server.wm.AppWindowAnimator.sDummyAnimation;
import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_FREEFORM;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT_REPEATS;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STARTING_WINDOW;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SURFACE_TRACE;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_CROP;
import static com.android.server.wm.WindowManagerDebugConfig.SHOW_LIGHT_TRANSACTIONS;
import static com.android.server.wm.WindowManagerDebugConfig.SHOW_SURFACE_ALLOC;
import static com.android.server.wm.WindowManagerDebugConfig.SHOW_TRANSACTIONS;
import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
import static com.android.server.wm.WindowManagerService.TYPE_LAYER_MULTIPLIER;
import static com.android.server.wm.WindowManagerService.localLOGV;
import static com.android.server.wm.WindowManagerService.logWithStack;
import static com.android.server.wm.WindowSurfacePlacer.SET_ORIENTATION_CHANGE_COMPLETE;
import static com.android.server.wm.WindowSurfacePlacer.SET_TURN_ON_SCREEN;
import android.content.Context;
import android.graphics.Matrix;
import android.graphics.PixelFormat;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.Region;
import android.os.Debug;
import android.os.RemoteException;
import android.util.Slog;
import android.view.DisplayInfo;
import android.view.MagnificationSpec;
import android.view.Surface.OutOfResourcesException;
import android.view.SurfaceControl;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.view.WindowManagerPolicy;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.AnimationUtils;
import android.view.animation.Transformation;
import com.android.server.wm.WindowManagerService.H;
import java.io.PrintWriter;
/**
* Keep track of animations and surface operations for a single WindowState.
**/
class WindowStateAnimator {
static final String TAG = TAG_WITH_CLASS_NAME ? "WindowStateAnimator" : TAG_WM;
static final int WINDOW_FREEZE_LAYER = TYPE_LAYER_MULTIPLIER * 200;
/**
* Mode how the window gets clipped by the stack bounds during an animation: The clipping should
* be applied after applying the animation transformation, i.e. the stack bounds don't move
* during the animation.
*/
static final int STACK_CLIP_AFTER_ANIM = 0;
/**
* Mode how the window gets clipped by the stack bounds: The clipping should be applied before
* applying the animation transformation, i.e. the stack bounds move with the window.
*/
static final int STACK_CLIP_BEFORE_ANIM = 1;
/**
* Mode how window gets clipped by the stack bounds during an animation: Don't clip the window
* by the stack bounds.
*/
static final int STACK_CLIP_NONE = 2;
// Unchanging local convenience fields.
final WindowManagerService mService;
final WindowState mWin;
final WindowStateAnimator mAttachedWinAnimator;
final WindowAnimator mAnimator;
AppWindowAnimator mAppAnimator;
final Session mSession;
final WindowManagerPolicy mPolicy;
final Context mContext;
final boolean mIsWallpaper;
final WallpaperController mWallpaperControllerLocked;
// Currently running animation.
boolean mAnimating;
boolean mLocalAnimating;
Animation mAnimation;
boolean mAnimationIsEntrance;
boolean mHasTransformation;
boolean mHasLocalTransformation;
final Transformation mTransformation = new Transformation();
boolean mWasAnimating; // Were we animating going into the most recent animation step?
int mAnimLayer;
int mLastLayer;
long mAnimationStartTime;
long mLastAnimationTime;
int mStackClip = STACK_CLIP_BEFORE_ANIM;
/**
* Set when we have changed the size of the surface, to know that
* we must tell them application to resize (and thus redraw itself).
*/
boolean mSurfaceResized;
/**
* Whether we should inform the client on next relayoutWindow that
* the surface has been resized since last time.
*/
boolean mReportSurfaceResized;
WindowSurfaceController mSurfaceController;
private WindowSurfaceController mPendingDestroySurface;
/**
* Set if the client has asked that the destroy of its surface be delayed
* until it explicitly says it is okay.
*/
boolean mSurfaceDestroyDeferred;
private boolean mDestroyPreservedSurfaceUponRedraw;
float mShownAlpha = 0;
float mAlpha = 0;
float mLastAlpha = 0;
boolean mHasClipRect;
Rect mClipRect = new Rect();
Rect mTmpClipRect = new Rect();
Rect mTmpFinalClipRect = new Rect();
Rect mLastClipRect = new Rect();
Rect mLastFinalClipRect = new Rect();
Rect mTmpStackBounds = new Rect();
/**
* This is rectangle of the window's surface that is not covered by
* system decorations.
*/
private final Rect mSystemDecorRect = new Rect();
private final Rect mLastSystemDecorRect = new Rect();
// Used to save animation distances between the time they are calculated and when they are used.
private int mAnimDx;
private int mAnimDy;
/** Is the next animation to be started a window move animation? */
private boolean mAnimateMove = false;
float mDsDx=1, mDtDx=0, mDsDy=0, mDtDy=1;
float mLastDsDx=1, mLastDtDx=0, mLastDsDy=0, mLastDtDy=1;
boolean mHaveMatrix;
// Set to true if, when the window gets displayed, it should perform
// an enter animation.
boolean mEnterAnimationPending;
/** Used to indicate that this window is undergoing an enter animation. Used for system
* windows to make the callback to View.dispatchOnWindowShownCallback(). Set when the
* window is first added or shown, cleared when the callback has been made. */
boolean mEnteringAnimation;
private boolean mAnimationStartDelayed;
boolean mKeyguardGoingAwayAnimation;
boolean mKeyguardGoingAwayWithWallpaper;
/** The pixel format of the underlying SurfaceControl */
int mSurfaceFormat;
/** This is set when there is no Surface */
static final int NO_SURFACE = 0;
/** This is set after the Surface has been created but before the window has been drawn. During
* this time the surface is hidden. */
static final int DRAW_PENDING = 1;
/** This is set after the window has finished drawing for the first time but before its surface
* is shown. The surface will be displayed when the next layout is run. */
static final int COMMIT_DRAW_PENDING = 2;
/** This is set during the time after the window's drawing has been committed, and before its
* surface is actually shown. It is used to delay showing the surface until all windows in a
* token are ready to be shown. */
static final int READY_TO_SHOW = 3;
/** Set when the window has been shown in the screen the first time. */
static final int HAS_DRAWN = 4;
String drawStateToString() {
switch (mDrawState) {
case NO_SURFACE: return "NO_SURFACE";
case DRAW_PENDING: return "DRAW_PENDING";
case COMMIT_DRAW_PENDING: return "COMMIT_DRAW_PENDING";
case READY_TO_SHOW: return "READY_TO_SHOW";
case HAS_DRAWN: return "HAS_DRAWN";
default: return Integer.toString(mDrawState);
}
}
int mDrawState;
/** Was this window last hidden? */
boolean mLastHidden;
int mAttrType;
static final long PENDING_TRANSACTION_FINISH_WAIT_TIME = 100;
long mDeferTransactionUntilFrame = -1;
long mDeferTransactionTime = -1;
boolean mForceScaleUntilResize;
// WindowState.mHScale and WindowState.mVScale contain the
// scale according to client specified layout parameters (e.g.
// one layout size, with another surface size, creates such scaling).
// Here we track an additional scaling factor used to follow stack
// scaling (as in the case of the Pinned stack animation).
float mExtraHScale = (float) 1.0;
float mExtraVScale = (float) 1.0;
private final Rect mTmpSize = new Rect();
WindowStateAnimator(final WindowState win) {
final WindowManagerService service = win.mService;
mService = service;
mAnimator = service.mAnimator;
mPolicy = service.mPolicy;
mContext = service.mContext;
final DisplayContent displayContent = win.getDisplayContent();
if (displayContent != null) {
final DisplayInfo displayInfo = displayContent.getDisplayInfo();
mAnimDx = displayInfo.appWidth;
mAnimDy = displayInfo.appHeight;
} else {
Slog.w(TAG, "WindowStateAnimator ctor: Display has been removed");
// This is checked on return and dealt with.
}
mWin = win;
mAttachedWinAnimator = win.mAttachedWindow == null
? null : win.mAttachedWindow.mWinAnimator;
mAppAnimator = win.mAppToken == null ? null : win.mAppToken.mAppAnimator;
mSession = win.mSession;
mAttrType = win.mAttrs.type;
mIsWallpaper = win.mIsWallpaper;
mWallpaperControllerLocked = mService.mWallpaperControllerLocked;
}
public void setAnimation(Animation anim, long startTime, int stackClip) {
if (localLOGV) Slog.v(TAG, "Setting animation in " + this + ": " + anim);
mAnimating = false;
mLocalAnimating = false;
mAnimation = anim;
mAnimation.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION);
mAnimation.scaleCurrentDuration(mService.getWindowAnimationScaleLocked());
// Start out animation gone if window is gone, or visible if window is visible.
mTransformation.clear();
mTransformation.setAlpha(mLastHidden ? 0 : 1);
mHasLocalTransformation = true;
mAnimationStartTime = startTime;
mStackClip = stackClip;
}
public void setAnimation(Animation anim, int stackClip) {
setAnimation(anim, -1, stackClip);
}
public void setAnimation(Animation anim) {
setAnimation(anim, -1, STACK_CLIP_AFTER_ANIM);
}
public void clearAnimation() {
if (mAnimation != null) {
mAnimating = true;
mLocalAnimating = false;
mAnimation.cancel();
mAnimation = null;
mKeyguardGoingAwayAnimation = false;
mKeyguardGoingAwayWithWallpaper = false;
mStackClip = STACK_CLIP_BEFORE_ANIM;
}
}
/**
* Is the window or its container currently set to animate or currently animating?
*/
boolean isAnimationSet() {
return mAnimation != null
|| (mAttachedWinAnimator != null && mAttachedWinAnimator.mAnimation != null)
|| (mAppAnimator != null && mAppAnimator.isAnimating());
}
/**
* @return whether an animation is about to start, i.e. the animation is set already but we
* haven't processed the first frame yet.
*/
boolean isAnimationStarting() {
return isAnimationSet() && !mAnimating;
}
/** Is the window animating the DummyAnimation? */
boolean isDummyAnimation() {
return mAppAnimator != null
&& mAppAnimator.animation == sDummyAnimation;
}
/**
* Is this window currently set to animate or currently animating?
*/
boolean isWindowAnimationSet() {
return mAnimation != null;
}
/**
* Is this window currently waiting to run an opening animation?
*/
boolean isWaitingForOpening() {
return mService.mAppTransition.isTransitionSet() && isDummyAnimation()
&& mService.mOpeningApps.contains(mWin.mAppToken);
}
void cancelExitAnimationForNextAnimationLocked() {
if (DEBUG_ANIM) Slog.d(TAG,
"cancelExitAnimationForNextAnimationLocked: " + mWin);
if (mAnimation != null) {
mAnimation.cancel();
mAnimation = null;
mLocalAnimating = false;
mWin.destroyOrSaveSurface();
}
}
private boolean stepAnimation(long currentTime) {
if ((mAnimation == null) || !mLocalAnimating) {
return false;
}
currentTime = getAnimationFrameTime(mAnimation, currentTime);
mTransformation.clear();
final boolean more = mAnimation.getTransformation(currentTime, mTransformation);
if (mAnimationStartDelayed && mAnimationIsEntrance) {
mTransformation.setAlpha(0f);
}
if (false && DEBUG_ANIM) Slog.v(TAG, "Stepped animation in " + this + ": more=" + more
+ ", xform=" + mTransformation);
return more;
}
// This must be called while inside a transaction. Returns true if
// there is more animation to run.
boolean stepAnimationLocked(long currentTime) {
// Save the animation state as it was before this step so WindowManagerService can tell if
// we just started or just stopped animating by comparing mWasAnimating with isAnimationSet().
mWasAnimating = mAnimating;
final DisplayContent displayContent = mWin.getDisplayContent();
if (displayContent != null && mService.okToDisplay()) {
// We will run animations as long as the display isn't frozen.
if (mWin.isDrawnLw() && mAnimation != null) {
mHasTransformation = true;
mHasLocalTransformation = true;
if (!mLocalAnimating) {
if (DEBUG_ANIM) Slog.v(
TAG, "Starting animation in " + this +
" @ " + currentTime + ": ww=" + mWin.mFrame.width() +
" wh=" + mWin.mFrame.height() +
" dx=" + mAnimDx + " dy=" + mAnimDy +
" scale=" + mService.getWindowAnimationScaleLocked());
final DisplayInfo displayInfo = displayContent.getDisplayInfo();
if (mAnimateMove) {
mAnimateMove = false;
mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(),
mAnimDx, mAnimDy);
} else {
mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(),
displayInfo.appWidth, displayInfo.appHeight);
}
mAnimDx = displayInfo.appWidth;
mAnimDy = displayInfo.appHeight;
mAnimation.setStartTime(mAnimationStartTime != -1
? mAnimationStartTime
: currentTime);
mLocalAnimating = true;
mAnimating = true;
}
if ((mAnimation != null) && mLocalAnimating) {
mLastAnimationTime = currentTime;
if (stepAnimation(currentTime)) {
return true;
}
}
if (DEBUG_ANIM) Slog.v(
TAG, "Finished animation in " + this +
" @ " + currentTime);
//WindowManagerService.this.dump();
}
mHasLocalTransformation = false;
if ((!mLocalAnimating || mAnimationIsEntrance) && mAppAnimator != null
&& mAppAnimator.animation != null) {
// When our app token is animating, we kind-of pretend like
// we are as well. Note the mLocalAnimating mAnimationIsEntrance
// part of this check means that we will only do this if
// our window is not currently exiting, or it is not
// locally animating itself. The idea being that one that
// is exiting and doing a local animation should be removed
// once that animation is done.
mAnimating = true;
mHasTransformation = true;
mTransformation.clear();
return false;
} else if (mHasTransformation) {
// Little trick to get through the path below to act like
// we have finished an animation.
mAnimating = true;
} else if (isAnimationSet()) {
mAnimating = true;
}
} else if (mAnimation != null) {
// If the display is frozen, and there is a pending animation,
// clear it and make sure we run the cleanup code.
mAnimating = true;
}
if (!mAnimating && !mLocalAnimating) {
return false;
}
// Done animating, clean up.
if (DEBUG_ANIM) Slog.v(
TAG, "Animation done in " + this + ": exiting=" + mWin.mAnimatingExit
+ ", reportedVisible="
+ (mWin.mAppToken != null ? mWin.mAppToken.reportedVisible : false));
mAnimating = false;
mKeyguardGoingAwayAnimation = false;
mKeyguardGoingAwayWithWallpaper = false;
mLocalAnimating = false;
if (mAnimation != null) {
mAnimation.cancel();
mAnimation = null;
}
if (mAnimator.mWindowDetachedWallpaper == mWin) {
mAnimator.mWindowDetachedWallpaper = null;
}
mAnimLayer = mWin.mLayer
+ mService.mLayersController.getSpecialWindowAnimLayerAdjustment(mWin);
if (DEBUG_LAYERS) Slog.v(TAG, "Stepping win " + this + " anim layer: " + mAnimLayer);
mHasTransformation = false;
mHasLocalTransformation = false;
mStackClip = STACK_CLIP_BEFORE_ANIM;
mWin.checkPolicyVisibilityChange();
mTransformation.clear();
if (mDrawState == HAS_DRAWN
&& mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING
&& mWin.mAppToken != null
&& mWin.mAppToken.firstWindowDrawn
&& mWin.mAppToken.startingData != null) {
if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Finish starting "
+ mWin.mToken + ": first real window done animating");
mService.mFinishedStarting.add(mWin.mAppToken);
mService.mH.sendEmptyMessage(H.FINISHED_STARTING);
} else if (mAttrType == LayoutParams.TYPE_STATUS_BAR && mWin.mPolicyVisibility) {
// Upon completion of a not-visible to visible status bar animation a relayout is
// required.
if (displayContent != null) {
displayContent.layoutNeeded = true;
}
}
finishExit();
final int displayId = mWin.getDisplayId();
mAnimator.setPendingLayoutChanges(displayId, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM);
if (DEBUG_LAYOUT_REPEATS)
mService.mWindowPlacerLocked.debugLayoutRepeats(
"WindowStateAnimator", mAnimator.getPendingLayoutChanges(displayId));
if (mWin.mAppToken != null) {
mWin.mAppToken.updateReportedVisibilityLocked();
}
return false;
}
void finishExit() {
if (DEBUG_ANIM) Slog.v(
TAG, "finishExit in " + this
+ ": exiting=" + mWin.mAnimatingExit
+ " remove=" + mWin.mRemoveOnExit
+ " windowAnimating=" + isWindowAnimationSet());
if (!mWin.mChildWindows.isEmpty()) {
// Copying to a different list as multiple children can be removed.
final WindowList childWindows = new WindowList(mWin.mChildWindows);
for (int i = childWindows.size() - 1; i >= 0; i--) {
childWindows.get(i).mWinAnimator.finishExit();
}
}
if (mEnteringAnimation) {
mEnteringAnimation = false;
mService.requestTraversal();
// System windows don't have an activity and an app token as a result, but need a way
// to be informed about their entrance animation end.
if (mWin.mAppToken == null) {
try {
mWin.mClient.dispatchWindowShown();
} catch (RemoteException e) {
}
}
}
if (!isWindowAnimationSet()) {
//TODO (multidisplay): Accessibility is supported only for the default display.
if (mService.mAccessibilityController != null
&& mWin.getDisplayId() == DEFAULT_DISPLAY) {
mService.mAccessibilityController.onSomeWindowResizedOrMovedLocked();
}
}
if (!mWin.mAnimatingExit) {
return;
}
if (isWindowAnimationSet()) {
return;
}
if (WindowManagerService.localLOGV || DEBUG_ADD_REMOVE) Slog.v(TAG,
"Exit animation finished in " + this + ": remove=" + mWin.mRemoveOnExit);
mWin.mDestroying = true;
final boolean hasSurface = hasSurface();
if (hasSurface) {
hide("finishExit");
}
// If we have an app token, we ask it to destroy the surface for us,
// so that it can take care to ensure the activity has actually stopped
// and the surface is not still in use. Otherwise we add the service to
// mDestroySurface and allow it to be processed in our next transaction.
if (mWin.mAppToken != null) {
mWin.mAppToken.destroySurfaces();
} else {
if (hasSurface) {
mService.mDestroySurface.add(mWin);
}
if (mWin.mRemoveOnExit) {
mService.mPendingRemove.add(mWin);
mWin.mRemoveOnExit = false;
}
}
mWin.mAnimatingExit = false;
mWallpaperControllerLocked.hideWallpapers(mWin);
}
void hide(String reason) {
if (!mLastHidden) {
//dump();
mLastHidden = true;
if (mSurfaceController != null) {
mSurfaceController.hideInTransaction(reason);
}
}
}
boolean finishDrawingLocked() {
final boolean startingWindow =
mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
if (DEBUG_STARTING_WINDOW && startingWindow) {
Slog.v(TAG, "Finishing drawing window " + mWin + ": mDrawState="
+ drawStateToString());
}
boolean layoutNeeded = mWin.clearAnimatingWithSavedSurface();
if (mDrawState == DRAW_PENDING) {
if (DEBUG_SURFACE_TRACE || DEBUG_ANIM || SHOW_TRANSACTIONS || DEBUG_ORIENTATION)
Slog.v(TAG, "finishDrawingLocked: mDrawState=COMMIT_DRAW_PENDING " + mWin + " in "
+ mSurfaceController);
if (DEBUG_STARTING_WINDOW && startingWindow) {
Slog.v(TAG, "Draw state now committed in " + mWin);
}
mDrawState = COMMIT_DRAW_PENDING;
layoutNeeded = true;
}
return layoutNeeded;
}
// This must be called while inside a transaction.
boolean commitFinishDrawingLocked() {
if (DEBUG_STARTING_WINDOW &&
mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) {
Slog.i(TAG, "commitFinishDrawingLocked: " + mWin + " cur mDrawState="
+ drawStateToString());
}
if (mDrawState != COMMIT_DRAW_PENDING && mDrawState != READY_TO_SHOW) {
return false;
}
if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) {
Slog.i(TAG, "commitFinishDrawingLocked: mDrawState=READY_TO_SHOW " + mSurfaceController);
}
mDrawState = READY_TO_SHOW;
boolean result = false;
final AppWindowToken atoken = mWin.mAppToken;
if (atoken == null || atoken.allDrawn || mWin.mAttrs.type == TYPE_APPLICATION_STARTING) {
result = performShowLocked();
}
return result;
}
void preserveSurfaceLocked() {
if (mDestroyPreservedSurfaceUponRedraw) {
// This could happen when switching the surface mode very fast. For example,
// we preserved a surface when dragResizing changed to true. Then before the
// preserved surface is removed, dragResizing changed to false again.
// In this case, we need to leave the preserved surface alone, and destroy
// the actual surface, so that the createSurface call could create a surface
// of the proper size. The preserved surface will still be removed when client
// finishes drawing to the new surface.
mSurfaceDestroyDeferred = false;
destroySurfaceLocked();
mSurfaceDestroyDeferred = true;
return;
}
if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin, "SET FREEZE LAYER", false);
if (mSurfaceController != null) {
mSurfaceController.setLayer(mAnimLayer + 1);
}
mDestroyPreservedSurfaceUponRedraw = true;
mSurfaceDestroyDeferred = true;
destroySurfaceLocked();
}
void destroyPreservedSurfaceLocked() {
if (!mDestroyPreservedSurfaceUponRedraw) {
return;
}
destroyDeferredSurfaceLocked();
mDestroyPreservedSurfaceUponRedraw = false;
}
void markPreservedSurfaceForDestroy() {
if (mDestroyPreservedSurfaceUponRedraw
&& !mService.mDestroyPreservedSurface.contains(mWin)) {
mService.mDestroyPreservedSurface.add(mWin);
}
}
WindowSurfaceController createSurfaceLocked() {
final WindowState w = mWin;
if (w.hasSavedSurface()) {
if (DEBUG_ANIM) Slog.i(TAG,
"createSurface: " + this + ": called when we had a saved surface");
w.restoreSavedSurface();
return mSurfaceController;
}
if (mSurfaceController != null) {
return mSurfaceController;
}
w.setHasSurface(false);
if (DEBUG_ANIM || DEBUG_ORIENTATION) Slog.i(TAG,
"createSurface " + this + ": mDrawState=DRAW_PENDING");
mDrawState = DRAW_PENDING;
if (w.mAppToken != null) {
if (w.mAppToken.mAppAnimator.animation == null) {
w.mAppToken.clearAllDrawn();
} else {
// Currently animating, persist current state of allDrawn until animation
// is complete.
w.mAppToken.deferClearAllDrawn = true;
}
}
mService.makeWindowFreezingScreenIfNeededLocked(w);
int flags = SurfaceControl.HIDDEN;
final WindowManager.LayoutParams attrs = w.mAttrs;
if (mService.isSecureLocked(w)) {
flags |= SurfaceControl.SECURE;
}
mTmpSize.set(w.mFrame.left + w.mXOffset, w.mFrame.top + w.mYOffset, 0, 0);
calculateSurfaceBounds(w, attrs);
final int width = mTmpSize.width();
final int height = mTmpSize.height();
if (DEBUG_VISIBILITY) {
Slog.v(TAG, "Creating surface in session "
+ mSession.mSurfaceSession + " window " + this
+ " w=" + width + " h=" + height
+ " x=" + mTmpSize.left + " y=" + mTmpSize.top
+ " format=" + attrs.format + " flags=" + flags);
}
// We may abort, so initialize to defaults.
mLastSystemDecorRect.set(0, 0, 0, 0);
mHasClipRect = false;
mClipRect.set(0, 0, 0, 0);
mLastClipRect.set(0, 0, 0, 0);
// Set up surface control with initial size.
try {
final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0;
final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format;
if (!PixelFormat.formatHasAlpha(attrs.format)
// Don't make surface with surfaceInsets opaque as they display a
// translucent shadow.
&& attrs.surfaceInsets.left == 0
&& attrs.surfaceInsets.top == 0
&& attrs.surfaceInsets.right == 0
&& attrs.surfaceInsets.bottom == 0
// Don't make surface opaque when resizing to reduce the amount of
// artifacts shown in areas the app isn't drawing content to.
&& !w.isDragResizing()) {
flags |= SurfaceControl.OPAQUE;
}
mSurfaceController = new WindowSurfaceController(mSession.mSurfaceSession,
attrs.getTitle().toString(),
width, height, format, flags, this);
w.setHasSurface(true);
if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) {
Slog.i(TAG, " CREATE SURFACE "
+ mSurfaceController + " IN SESSION "
+ mSession.mSurfaceSession
+ ": pid=" + mSession.mPid + " format="
+ attrs.format + " flags=0x"
+ Integer.toHexString(flags)
+ " / " + this);
}
} catch (OutOfResourcesException e) {
Slog.w(TAG, "OutOfResourcesException creating surface");
mService.reclaimSomeSurfaceMemoryLocked(this, "create", true);
mDrawState = NO_SURFACE;
return null;
} catch (Exception e) {
Slog.e(TAG, "Exception creating surface", e);
mDrawState = NO_SURFACE;
return null;
}
if (WindowManagerService.localLOGV) Slog.v(TAG, "Got surface: " + mSurfaceController
+ ", set left=" + w.mFrame.left + " top=" + w.mFrame.top
+ ", animLayer=" + mAnimLayer);
if (SHOW_LIGHT_TRANSACTIONS) {
Slog.i(TAG, ">>> OPEN TRANSACTION createSurfaceLocked");
WindowManagerService.logSurface(w, "CREATE pos=("
+ w.mFrame.left + "," + w.mFrame.top + ") ("
+ width + "x" + height + "), layer=" + mAnimLayer + " HIDE", false);
}
// Start a new transaction and apply position & offset.
final int layerStack = w.getDisplayContent().getDisplay().getLayerStack();
mSurfaceController.setPositionAndLayer(mTmpSize.left, mTmpSize.top, layerStack, mAnimLayer);
mLastHidden = true;
if (WindowManagerService.localLOGV) Slog.v(TAG, "Created surface " + this);
return mSurfaceController;
}
private void calculateSurfaceBounds(WindowState w, LayoutParams attrs) {
if ((attrs.flags & FLAG_SCALED) != 0) {
// For a scaled surface, we always want the requested size.
mTmpSize.right = mTmpSize.left + w.mRequestedWidth;
mTmpSize.bottom = mTmpSize.top + w.mRequestedHeight;
} else {
// When we're doing a drag-resizing, request a surface that's fullscreen size,
// so that we don't need to reallocate during the process. This also prevents
// buffer drops due to size mismatch.
if (w.isDragResizing()) {
if (w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM) {
mTmpSize.left = 0;
mTmpSize.top = 0;
}
final DisplayInfo displayInfo = w.getDisplayInfo();
mTmpSize.right = mTmpSize.left + displayInfo.logicalWidth;
mTmpSize.bottom = mTmpSize.top + displayInfo.logicalHeight;
} else {
mTmpSize.right = mTmpSize.left + w.mCompatFrame.width();
mTmpSize.bottom = mTmpSize.top + w.mCompatFrame.height();
}
}
// Something is wrong and SurfaceFlinger will not like this, try to revert to sane values.
// This doesn't necessarily mean that there is an error in the system. The sizes might be
// incorrect, because it is before the first layout or draw.
if (mTmpSize.width() < 1) {
mTmpSize.right = mTmpSize.left + 1;
}
if (mTmpSize.height() < 1) {
mTmpSize.bottom = mTmpSize.top + 1;
}
// Adjust for surface insets.
mTmpSize.left -= attrs.surfaceInsets.left;
mTmpSize.top -= attrs.surfaceInsets.top;
mTmpSize.right += attrs.surfaceInsets.right;
mTmpSize.bottom += attrs.surfaceInsets.bottom;
}
boolean hasSurface() {
return !mWin.hasSavedSurface()
&& mSurfaceController != null && mSurfaceController.hasSurface();
}
void destroySurfaceLocked() {
final AppWindowToken wtoken = mWin.mAppToken;
if (wtoken != null) {
if (mWin == wtoken.startingWindow) {
wtoken.startingDisplayed = false;
}
}
mWin.clearHasSavedSurface();
if (mSurfaceController == null) {
return;
}
int i = mWin.mChildWindows.size();
// When destroying a surface we want to make sure child windows are hidden. If we are
// preserving the surface until redraw though we intend to swap it out with another surface
// for resizing. In this case the window always remains visible to the user and the child
// windows should likewise remain visible.
while (!mDestroyPreservedSurfaceUponRedraw && i > 0) {
i--;
WindowState c = mWin.mChildWindows.get(i);
c.mAttachedHidden = true;
}
try {
if (DEBUG_VISIBILITY) logWithStack(TAG, "Window " + this + " destroying surface "
+ mSurfaceController + ", session " + mSession);
if (mSurfaceDestroyDeferred) {
if (mSurfaceController != null && mPendingDestroySurface != mSurfaceController) {
if (mPendingDestroySurface != null) {
if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) {
WindowManagerService.logSurface(mWin, "DESTROY PENDING", true);
}
mPendingDestroySurface.destroyInTransaction();
}
mPendingDestroySurface = mSurfaceController;
}
} else {
if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) {
WindowManagerService.logSurface(mWin, "DESTROY", true);
}
destroySurface();
}
// Don't hide wallpaper if we're deferring the surface destroy
// because of a surface change.
if (!mDestroyPreservedSurfaceUponRedraw) {
mWallpaperControllerLocked.hideWallpapers(mWin);
}
} catch (RuntimeException e) {
Slog.w(TAG, "Exception thrown when destroying Window " + this
+ " surface " + mSurfaceController + " session " + mSession + ": " + e.toString());
}
// Whether the surface was preserved (and copied to mPendingDestroySurface) or not, it
// needs to be cleared to match the WindowState.mHasSurface state. It is also necessary
// so it can be recreated successfully in mPendingDestroySurface case.
mWin.setHasSurface(false);
if (mSurfaceController != null) {
mSurfaceController.setShown(false);
}
mSurfaceController = null;
mDrawState = NO_SURFACE;
}
void destroyDeferredSurfaceLocked() {
try {
if (mPendingDestroySurface != null) {
if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) {
WindowManagerService.logSurface(mWin, "DESTROY PENDING", true);
}
mPendingDestroySurface.destroyInTransaction();
// Don't hide wallpaper if we're destroying a deferred surface
// after a surface mode change.
if (!mDestroyPreservedSurfaceUponRedraw) {
mWallpaperControllerLocked.hideWallpapers(mWin);
}
}
} catch (RuntimeException e) {
Slog.w(TAG, "Exception thrown when destroying Window "
+ this + " surface " + mPendingDestroySurface
+ " session " + mSession + ": " + e.toString());
}
mSurfaceDestroyDeferred = false;
mPendingDestroySurface = null;
}
void computeShownFrameLocked() {
final boolean selfTransformation = mHasLocalTransformation;
Transformation attachedTransformation =
(mAttachedWinAnimator != null && mAttachedWinAnimator.mHasLocalTransformation)
? mAttachedWinAnimator.mTransformation : null;
Transformation appTransformation = (mAppAnimator != null && mAppAnimator.hasTransformation)
? mAppAnimator.transformation : null;
// Wallpapers are animated based on the "real" window they
// are currently targeting.
final WindowState wallpaperTarget = mWallpaperControllerLocked.getWallpaperTarget();
if (mIsWallpaper && wallpaperTarget != null && mService.mAnimateWallpaperWithTarget) {
final WindowStateAnimator wallpaperAnimator = wallpaperTarget.mWinAnimator;
if (wallpaperAnimator.mHasLocalTransformation &&
wallpaperAnimator.mAnimation != null &&
!wallpaperAnimator.mAnimation.getDetachWallpaper()) {
attachedTransformation = wallpaperAnimator.mTransformation;
if (DEBUG_WALLPAPER && attachedTransformation != null) {
Slog.v(TAG, "WP target attached xform: " + attachedTransformation);
}
}
final AppWindowAnimator wpAppAnimator = wallpaperTarget.mAppToken == null ?
null : wallpaperTarget.mAppToken.mAppAnimator;
if (wpAppAnimator != null && wpAppAnimator.hasTransformation
&& wpAppAnimator.animation != null
&& !wpAppAnimator.animation.getDetachWallpaper()) {
appTransformation = wpAppAnimator.transformation;
if (DEBUG_WALLPAPER && appTransformation != null) {
Slog.v(TAG, "WP target app xform: " + appTransformation);
}
}
}
final int displayId = mWin.getDisplayId();
final ScreenRotationAnimation screenRotationAnimation =
mAnimator.getScreenRotationAnimationLocked(displayId);
final boolean screenAnimation =
screenRotationAnimation != null && screenRotationAnimation.isAnimating();
mHasClipRect = false;
if (selfTransformation || attachedTransformation != null
|| appTransformation != null || screenAnimation) {
// cache often used attributes locally
final Rect frame = mWin.mFrame;
final float tmpFloats[] = mService.mTmpFloats;
final Matrix tmpMatrix = mWin.mTmpMatrix;
// Compute the desired transformation.
if (screenAnimation && screenRotationAnimation.isRotating()) {
// If we are doing a screen animation, the global rotation
// applied to windows can result in windows that are carefully
// aligned with each other to slightly separate, allowing you
// to see what is behind them. An unsightly mess. This...
// thing... magically makes it call good: scale each window
// slightly (two pixels larger in each dimension, from the
// window's center).
final float w = frame.width();
final float h = frame.height();
if (w>=1 && h>=1) {
tmpMatrix.setScale(1 + 2/w, 1 + 2/h, w/2, h/2);
} else {
tmpMatrix.reset();
}
} else {
tmpMatrix.reset();
}
tmpMatrix.postScale(mWin.mGlobalScale, mWin.mGlobalScale);
if (selfTransformation) {
tmpMatrix.postConcat(mTransformation.getMatrix());
}
if (attachedTransformation != null) {
tmpMatrix.postConcat(attachedTransformation.getMatrix());
}
if (appTransformation != null) {
tmpMatrix.postConcat(appTransformation.getMatrix());
}
// The translation that applies the position of the window needs to be applied at the
// end in case that other translations include scaling. Otherwise the scaling will
// affect this translation. But it needs to be set before the screen rotation animation
// so the pivot point is at the center of the screen for all windows.
tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset);
if (screenAnimation) {
tmpMatrix.postConcat(screenRotationAnimation.getEnterTransformation().getMatrix());
}
//TODO (multidisplay): Magnification is supported only for the default display.
if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) {
MagnificationSpec spec = mService.mAccessibilityController
.getMagnificationSpecForWindowLocked(mWin);
if (spec != null && !spec.isNop()) {
tmpMatrix.postScale(spec.scale, spec.scale);
tmpMatrix.postTranslate(spec.offsetX, spec.offsetY);
}
}
// "convert" it into SurfaceFlinger's format
// (a 2x2 matrix + an offset)
// Here we must not transform the position of the surface
// since it is already included in the transformation.
//Slog.i(TAG_WM, "Transform: " + matrix);
mHaveMatrix = true;
tmpMatrix.getValues(tmpFloats);
mDsDx = tmpFloats[Matrix.MSCALE_X];
mDtDx = tmpFloats[Matrix.MSKEW_Y];
mDsDy = tmpFloats[Matrix.MSKEW_X];
mDtDy = tmpFloats[Matrix.MSCALE_Y];
float x = tmpFloats[Matrix.MTRANS_X];
float y = tmpFloats[Matrix.MTRANS_Y];
mWin.mShownPosition.set((int) x, (int) y);
// Now set the alpha... but because our current hardware
// can't do alpha transformation on a non-opaque surface,
// turn it off if we are running an animation that is also
// transforming since it is more important to have that
// animation be smooth.
mShownAlpha = mAlpha;
if (!mService.mLimitedAlphaCompositing
|| (!PixelFormat.formatHasAlpha(mWin.mAttrs.format)
|| (mWin.isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy)
&& x == frame.left && y == frame.top))) {
//Slog.i(TAG_WM, "Applying alpha transform");
if (selfTransformation) {
mShownAlpha *= mTransformation.getAlpha();
}
if (attachedTransformation != null) {
mShownAlpha *= attachedTransformation.getAlpha();
}
if (appTransformation != null) {
mShownAlpha *= appTransformation.getAlpha();
if (appTransformation.hasClipRect()) {
mClipRect.set(appTransformation.getClipRect());
mHasClipRect = true;
// The app transformation clip will be in the coordinate space of the main
// activity window, which the animation correctly assumes will be placed at
// (0,0)+(insets) relative to the containing frame. This isn't necessarily
// true for child windows though which can have an arbitrary frame position
// relative to their containing frame. We need to offset the difference
// between the containing frame as used to calculate the crop and our
// bounds to compensate for this.
if (mWin.layoutInParentFrame()) {
mClipRect.offset( (mWin.mContainingFrame.left - mWin.mFrame.left),
mWin.mContainingFrame.top - mWin.mFrame.top );
}
}
}
if (screenAnimation) {
mShownAlpha *= screenRotationAnimation.getEnterTransformation().getAlpha();
}
} else {
//Slog.i(TAG_WM, "Not applying alpha transform");
}
if ((DEBUG_SURFACE_TRACE || WindowManagerService.localLOGV)
&& (mShownAlpha == 1.0 || mShownAlpha == 0.0)) Slog.v(
TAG, "computeShownFrameLocked: Animating " + this + " mAlpha=" + mAlpha
+ " self=" + (selfTransformation ? mTransformation.getAlpha() : "null")
+ " attached=" + (attachedTransformation == null ?
"null" : attachedTransformation.getAlpha())
+ " app=" + (appTransformation == null ? "null" : appTransformation.getAlpha())
+ " screen=" + (screenAnimation ?
screenRotationAnimation.getEnterTransformation().getAlpha() : "null"));
return;
} else if (mIsWallpaper && mService.mWindowPlacerLocked.mWallpaperActionPending) {
return;
} else if (mWin.isDragResizeChanged()) {
// This window is awaiting a relayout because user just started (or ended)
// drag-resizing. The shown frame (which affects surface size and pos)
// should not be updated until we get next finished draw with the new surface.
// Otherwise one or two frames rendered with old settings would be displayed
// with new geometry.
return;
}
if (WindowManagerService.localLOGV) Slog.v(
TAG, "computeShownFrameLocked: " + this +
" not attached, mAlpha=" + mAlpha);
MagnificationSpec spec = null;
//TODO (multidisplay): Magnification is supported only for the default display.
if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) {
spec = mService.mAccessibilityController.getMagnificationSpecForWindowLocked(mWin);
}
if (spec != null) {
final Rect frame = mWin.mFrame;
final float tmpFloats[] = mService.mTmpFloats;
final Matrix tmpMatrix = mWin.mTmpMatrix;
tmpMatrix.setScale(mWin.mGlobalScale, mWin.mGlobalScale);
tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset);
if (spec != null && !spec.isNop()) {
tmpMatrix.postScale(spec.scale, spec.scale);
tmpMatrix.postTranslate(spec.offsetX, spec.offsetY);
}
tmpMatrix.getValues(tmpFloats);
mHaveMatrix = true;
mDsDx = tmpFloats[Matrix.MSCALE_X];
mDtDx = tmpFloats[Matrix.MSKEW_Y];
mDsDy = tmpFloats[Matrix.MSKEW_X];
mDtDy = tmpFloats[Matrix.MSCALE_Y];
float x = tmpFloats[Matrix.MTRANS_X];
float y = tmpFloats[Matrix.MTRANS_Y];
mWin.mShownPosition.set((int) x, (int) y);
mShownAlpha = mAlpha;
} else {
mWin.mShownPosition.set(mWin.mFrame.left, mWin.mFrame.top);
if (mWin.mXOffset != 0 || mWin.mYOffset != 0) {
mWin.mShownPosition.offset(mWin.mXOffset, mWin.mYOffset);
}
mShownAlpha = mAlpha;
mHaveMatrix = false;
mDsDx = mWin.mGlobalScale;
mDtDx = 0;
mDsDy = 0;
mDtDy = mWin.mGlobalScale;
}
}
private void calculateSystemDecorRect() {
final WindowState w = mWin;
final Rect decorRect = w.mDecorFrame;
final int width = w.mFrame.width();
final int height = w.mFrame.height();
// Compute the offset of the window in relation to the decor rect.
final int left = w.mXOffset + w.mFrame.left;
final int top = w.mYOffset + w.mFrame.top;
// Initialize the decor rect to the entire frame.
if (w.isDockedResizing() ||
(w.isChildWindow() && w.mAttachedWindow.isDockedResizing())) {
// If we are resizing with the divider, the task bounds might be smaller than the
// stack bounds. The system decor is used to clip to the task bounds, which we don't
// want in this case in order to avoid holes.
//
// We take care to not shrink the width, for surfaces which are larger than
// the display region. Of course this area will not eventually be visible
// but if we truncate the width now, we will calculate incorrectly
// when adjusting to the stack bounds.
final DisplayInfo displayInfo = w.getDisplayContent().getDisplayInfo();
mSystemDecorRect.set(0, 0,
Math.max(width, displayInfo.logicalWidth),
Math.max(height, displayInfo.logicalHeight));
} else {
mSystemDecorRect.set(0, 0, width, height);
}
// If a freeform window is animating from a position where it would be cutoff, it would be
// cutoff during the animation. We don't want that, so for the duration of the animation
// we ignore the decor cropping and depend on layering to position windows correctly.
final boolean cropToDecor = !(w.inFreeformWorkspace() && w.isAnimatingLw());
if (cropToDecor) {
// Intersect with the decor rect, offsetted by window position.
mSystemDecorRect.intersect(decorRect.left - left, decorRect.top - top,
decorRect.right - left, decorRect.bottom - top);
}
// If size compatibility is being applied to the window, the
// surface is scaled relative to the screen. Also apply this
// scaling to the crop rect. We aren't using the standard rect
// scale function because we want to round things to make the crop
// always round to a larger rect to ensure we don't crop too
// much and hide part of the window that should be seen.
if (w.mEnforceSizeCompat && w.mInvGlobalScale != 1.0f) {
final float scale = w.mInvGlobalScale;
mSystemDecorRect.left = (int) (mSystemDecorRect.left * scale - 0.5f);
mSystemDecorRect.top = (int) (mSystemDecorRect.top * scale - 0.5f);
mSystemDecorRect.right = (int) ((mSystemDecorRect.right + 1) * scale - 0.5f);
mSystemDecorRect.bottom = (int) ((mSystemDecorRect.bottom + 1) * scale - 0.5f);
}
}
void calculateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect) {
final WindowState w = mWin;
final DisplayContent displayContent = w.getDisplayContent();
if (displayContent == null) {
clipRect.setEmpty();
finalClipRect.setEmpty();
return;
}
final DisplayInfo displayInfo = displayContent.getDisplayInfo();
if (DEBUG_WINDOW_CROP) Slog.d(TAG,
"Updating crop win=" + w + " mLastCrop=" + mLastClipRect);
// Need to recompute a new system decor rect each time.
if (!w.isDefaultDisplay()) {
// On a different display there is no system decor. Crop the window
// by the screen boundaries.
mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height());
mSystemDecorRect.intersect(-w.mCompatFrame.left, -w.mCompatFrame.top,
displayInfo.logicalWidth - w.mCompatFrame.left,
displayInfo.logicalHeight - w.mCompatFrame.top);
} else if (w.mLayer >= mService.mSystemDecorLayer) {
// Above the decor layer is easy, just use the entire window.
mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height());
} else if (w.mDecorFrame.isEmpty()) {
// Windows without policy decor aren't cropped.
mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height());
} else if (w.mAttrs.type == LayoutParams.TYPE_WALLPAPER && mAnimator.isAnimating()) {
// If we're animating, the wallpaper crop should only be updated at the end of the
// animation.
mTmpClipRect.set(mSystemDecorRect);
calculateSystemDecorRect();
mSystemDecorRect.union(mTmpClipRect);
} else {
// Crop to the system decor specified by policy.
calculateSystemDecorRect();
if (DEBUG_WINDOW_CROP) Slog.d(TAG, "Applying decor to crop win=" + w + " mDecorFrame="
+ w.mDecorFrame + " mSystemDecorRect=" + mSystemDecorRect);
}
final boolean fullscreen = w.isFrameFullscreen(displayInfo);
final boolean isFreeformResizing =
w.isDragResizing() && w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM;
// We use the clip rect as provided by the tranformation for non-fullscreen windows to
// avoid premature clipping with the system decor rect.
clipRect.set((mHasClipRect && !fullscreen) ? mClipRect : mSystemDecorRect);
if (DEBUG_WINDOW_CROP) Slog.d(TAG, "win=" + w + " Initial clip rect: " + clipRect
+ " mHasClipRect=" + mHasClipRect + " fullscreen=" + fullscreen);
if (isFreeformResizing && !w.isChildWindow()) {
// For freeform resizing non child windows, we are using the big surface positioned
// at 0,0. Thus we must express the crop in that coordinate space.
clipRect.offset(w.mShownPosition.x, w.mShownPosition.y);
}
// Expand the clip rect for surface insets.
final WindowManager.LayoutParams attrs = w.mAttrs;
clipRect.left -= attrs.surfaceInsets.left;
clipRect.top -= attrs.surfaceInsets.top;
clipRect.right += attrs.surfaceInsets.right;
clipRect.bottom += attrs.surfaceInsets.bottom;
if (mHasClipRect && fullscreen) {
// We intersect the clip rect specified by the transformation with the expanded system
// decor rect to prevent artifacts from drawing during animation if the transformation
// clip rect extends outside the system decor rect.
clipRect.intersect(mClipRect);
}
// The clip rect was generated assuming (0,0) as the window origin,
// so we need to translate to match the actual surface coordinates.
clipRect.offset(attrs.surfaceInsets.left, attrs.surfaceInsets.top);
finalClipRect.setEmpty();
adjustCropToStackBounds(w, clipRect, finalClipRect, isFreeformResizing);
if (DEBUG_WINDOW_CROP) Slog.d(TAG,
"win=" + w + " Clip rect after stack adjustment=" + clipRect);
w.transformClipRectFromScreenToSurfaceSpace(clipRect);
// See {@link WindowState#notifyMovedInStack} for why this is necessary.
if (w.hasJustMovedInStack() && mLastClipRect.isEmpty() && !clipRect.isEmpty()) {
clipRect.setEmpty();
}
}
void updateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect, boolean recoveringMemory) {
if (DEBUG_WINDOW_CROP) Slog.d(TAG, "updateSurfaceWindowCrop: win=" + mWin
+ " clipRect=" + clipRect + " finalClipRect=" + finalClipRect);
if (clipRect != null) {
if (!clipRect.equals(mLastClipRect)) {
mLastClipRect.set(clipRect);
mSurfaceController.setCropInTransaction(clipRect, recoveringMemory);
}
} else {
mSurfaceController.clearCropInTransaction(recoveringMemory);
}
if (!finalClipRect.equals(mLastFinalClipRect)) {
mLastFinalClipRect.set(finalClipRect);
mSurfaceController.setFinalCropInTransaction(finalClipRect);
if (mDestroyPreservedSurfaceUponRedraw && mPendingDestroySurface != null) {
mPendingDestroySurface.setFinalCropInTransaction(finalClipRect);
}
}
}
private int resolveStackClip() {
// App animation overrides window animation stack clip mode.
if (mAppAnimator != null && mAppAnimator.animation != null) {
return mAppAnimator.getStackClip();
} else {
return mStackClip;
}
}
private void adjustCropToStackBounds(WindowState w, Rect clipRect, Rect finalClipRect,
boolean isFreeformResizing) {
final DisplayContent displayContent = w.getDisplayContent();
if (displayContent != null && !displayContent.isDefaultDisplay) {
// There are some windows that live on other displays while their app and main window
// live on the default display (e.g. casting...). We don't want to crop this windows
// to the stack bounds which is only currently supported on the default display.
// TODO(multi-display): Need to support cropping to stack bounds on other displays
// when we have stacks on other displays.
return;
}
final Task task = w.getTask();
if (task == null || !task.cropWindowsToStackBounds()) {
return;
}
final int stackClip = resolveStackClip();
// It's animating and we don't want to clip it to stack bounds during animation - abort.
if (isAnimationSet() && stackClip == STACK_CLIP_NONE) {
return;
}
final WindowState winShowWhenLocked = (WindowState) mPolicy.getWinShowWhenLockedLw();
if (w == winShowWhenLocked && mPolicy.isKeyguardShowingOrOccluded()) {
return;
}
final TaskStack stack = task.mStack;
stack.getDimBounds(mTmpStackBounds);
final Rect surfaceInsets = w.getAttrs().surfaceInsets;
// When we resize we use the big surface approach, which means we can't trust the
// window frame bounds anymore. Instead, the window will be placed at 0, 0, but to avoid
// hardcoding it, we use surface coordinates.
final int frameX = isFreeformResizing ? (int) mSurfaceController.getX() :
w.mFrame.left + mWin.mXOffset - surfaceInsets.left;
final int frameY = isFreeformResizing ? (int) mSurfaceController.getY() :
w.mFrame.top + mWin.mYOffset - surfaceInsets.top;
// If we are animating, we either apply the clip before applying all the animation
// transformation or after all the transformation.
final boolean useFinalClipRect = isAnimationSet() && stackClip == STACK_CLIP_AFTER_ANIM
|| mDestroyPreservedSurfaceUponRedraw;
// We need to do some acrobatics with surface position, because their clip region is
// relative to the inside of the surface, but the stack bounds aren't.
if (useFinalClipRect) {
finalClipRect.set(mTmpStackBounds);
} else {
if (StackId.hasWindowShadow(stack.mStackId)
&& !StackId.isTaskResizeAllowed(stack.mStackId)) {
// The windows in this stack display drop shadows and the fill the entire stack
// area. Adjust the stack bounds we will use to cropping take into account the
// offsets we use to display the drop shadow so it doesn't get cropped.
mTmpStackBounds.inset(-surfaceInsets.left, -surfaceInsets.top,
-surfaceInsets.right, -surfaceInsets.bottom);
}
clipRect.left = Math.max(0,
Math.max(mTmpStackBounds.left, frameX + clipRect.left) - frameX);
clipRect.top = Math.max(0,
Math.max(mTmpStackBounds.top, frameY + clipRect.top) - frameY);
clipRect.right = Math.max(0,
Math.min(mTmpStackBounds.right, frameX + clipRect.right) - frameX);
clipRect.bottom = Math.max(0,
Math.min(mTmpStackBounds.bottom, frameY + clipRect.bottom) - frameY);
}
}
void setSurfaceBoundariesLocked(final boolean recoveringMemory) {
final WindowState w = mWin;
final Task task = w.getTask();
// We got resized, so block all updates until we got the new surface.
if (w.isResizedWhileNotDragResizing() && !w.isGoneForLayoutLw()) {
return;
}
mTmpSize.set(w.mShownPosition.x, w.mShownPosition.y, 0, 0);
calculateSurfaceBounds(w, w.getAttrs());
mExtraHScale = (float) 1.0;
mExtraVScale = (float) 1.0;
// Once relayout has been called at least once, we need to make sure
// we only resize the client surface during calls to relayout. For
// clients which use indeterminate measure specs (MATCH_PARENT),
// we may try and change their window size without a call to relayout.
// However, this would be unsafe, as the client may be in the middle
// of producing a frame at the old size, having just completed layout
// to find the surface size changed underneath it.
//
// TODO: For N we only apply this fix to the pinned workspace. As we
// aren't observing known issues here outside of PiP resizing. (Typically
// the other windows that use -1 are PopupWindows which aren't likely
// to be rendering while we resize).
boolean wasForceScaled = mForceScaleUntilResize;
if (!w.inPinnedWorkspace() || (!w.mRelayoutCalled || w.mInRelayout)) {
mSurfaceResized = mSurfaceController.setSizeInTransaction(
mTmpSize.width(), mTmpSize.height(), recoveringMemory);
} else {
mSurfaceResized = false;
}
mForceScaleUntilResize = mForceScaleUntilResize && !mSurfaceResized;
calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect);
float surfaceWidth = mSurfaceController.getWidth();
float surfaceHeight = mSurfaceController.getHeight();
if ((task != null && task.mStack.getForceScaleToCrop()) || mForceScaleUntilResize) {
int hInsets = w.getAttrs().surfaceInsets.left + w.getAttrs().surfaceInsets.right;
int vInsets = w.getAttrs().surfaceInsets.top + w.getAttrs().surfaceInsets.bottom;
if (!mForceScaleUntilResize) {
mSurfaceController.forceScaleableInTransaction(true);
}
// We want to calculate the scaling based on the content area, not based on
// the entire surface, so that we scale in sync with windows that don't have insets.
mExtraHScale = (mTmpClipRect.width() - hInsets) / (float)(surfaceWidth - hInsets);
mExtraVScale = (mTmpClipRect.height() - vInsets) / (float)(surfaceHeight - vInsets);
// In the case of ForceScaleToCrop we scale entire tasks together,
// and so we need to scale our offsets relative to the task bounds
// or parent and child windows would fall out of alignment.
int posX = (int) (mTmpSize.left - w.mAttrs.x * (1 - mExtraHScale));
int posY = (int) (mTmpSize.top - w.mAttrs.y * (1 - mExtraVScale));
// Imagine we are scaling down. As we scale the buffer down, we decrease the
// distance between the surface top left, and the start of the surface contents
// (previously it was surfaceInsets.left pixels in screen space but now it
// will be surfaceInsets.left*mExtraHScale). This means in order to keep the
// non inset content at the same position, we have to shift the whole window
// forward. Likewise for scaling up, we've increased this distance, and we need
// to shift by a negative number to compensate.
posX += w.getAttrs().surfaceInsets.left * (1 - mExtraHScale);
posY += w.getAttrs().surfaceInsets.top * (1 - mExtraVScale);
mSurfaceController.setPositionInTransaction((float)Math.floor(posX),
(float)Math.floor(posY), recoveringMemory);
// Since we are scaled to fit in our previously desired crop, we can now
// expose the whole window in buffer space, and not risk extending
// past where the system would have cropped us
mTmpClipRect.set(0, 0, (int)surfaceWidth, (int)surfaceHeight);
mTmpFinalClipRect.setEmpty();
// Various surfaces in the scaled stack may resize at different times.
// We need to ensure for each surface, that we disable transformation matrix
// scaling in the same transaction which we resize the surface in.
// As we are in SCALING_MODE_SCALE_TO_WINDOW, SurfaceFlinger will
// then take over the scaling until the new buffer arrives, and things
// will be seamless.
mForceScaleUntilResize = true;
} else {
mSurfaceController.setPositionInTransaction(mTmpSize.left, mTmpSize.top,
recoveringMemory);
}
// If we are ending the scaling mode. We switch to SCALING_MODE_FREEZE
// to prevent further updates until buffer latch. Normally position
// would continue to apply immediately. But we need a different position
// before and after resize (since we have scaled the shadows, as discussed
// above).
if (wasForceScaled && !mForceScaleUntilResize) {
mSurfaceController.setPositionAppliesWithResizeInTransaction(true);
mSurfaceController.forceScaleableInTransaction(false);
}
Rect clipRect = mTmpClipRect;
if (w.inPinnedWorkspace()) {
clipRect = null;
task.mStack.getDimBounds(mTmpFinalClipRect);
mTmpFinalClipRect.inset(-w.mAttrs.surfaceInsets.left, -w.mAttrs.surfaceInsets.top,
-w.mAttrs.surfaceInsets.right, -w.mAttrs.surfaceInsets.bottom);
}
updateSurfaceWindowCrop(clipRect, mTmpFinalClipRect, recoveringMemory);
mSurfaceController.setMatrixInTransaction(mDsDx * w.mHScale * mExtraHScale,
mDtDx * w.mVScale * mExtraVScale,
mDsDy * w.mHScale * mExtraHScale,
mDtDy * w.mVScale * mExtraVScale, recoveringMemory);
if (mSurfaceResized) {
mReportSurfaceResized = true;
mAnimator.setPendingLayoutChanges(w.getDisplayId(),
WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER);
w.applyDimLayerIfNeeded();
}
}
void prepareSurfaceLocked(final boolean recoveringMemory) {
final WindowState w = mWin;
if (!hasSurface()) {
if (w.mOrientationChanging) {
if (DEBUG_ORIENTATION) {
Slog.v(TAG, "Orientation change skips hidden " + w);
}
w.mOrientationChanging = false;
}
return;
}
// Do not change surface properties of opening apps if we are waiting for the
// transition to be ready. transitionGoodToGo could be not ready even after all
// opening apps are drawn. It's only waiting on isFetchingAppTransitionsSpecs()
// to get the animation spec. (For example, go into Recents and immediately open
// the same app again before the app's surface is destroyed or saved, the surface
// is always ready in the whole process.) If we go ahead here, the opening app
// will be shown with the full size before the correct animation spec arrives.
if (isWaitingForOpening()) {
return;
}
boolean displayed = false;
computeShownFrameLocked();
setSurfaceBoundariesLocked(recoveringMemory);
if (mIsWallpaper && !mWin.mWallpaperVisible) {
// Wallpaper is no longer visible and there is no wp target => hide it.
hide("prepareSurfaceLocked");
} else if (w.mAttachedHidden || !w.isOnScreen()) {
hide("prepareSurfaceLocked");
mWallpaperControllerLocked.hideWallpapers(w);
// If we are waiting for this window to handle an
// orientation change, well, it is hidden, so
// doesn't really matter. Note that this does
// introduce a potential glitch if the window
// becomes unhidden before it has drawn for the
// new orientation.
if (w.mOrientationChanging) {
w.mOrientationChanging = false;
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation change skips hidden " + w);
}
} else if (mLastLayer != mAnimLayer
|| mLastAlpha != mShownAlpha
|| mLastDsDx != mDsDx
|| mLastDtDx != mDtDx
|| mLastDsDy != mDsDy
|| mLastDtDy != mDtDy
|| w.mLastHScale != w.mHScale
|| w.mLastVScale != w.mVScale
|| mLastHidden) {
displayed = true;
mLastAlpha = mShownAlpha;
mLastLayer = mAnimLayer;
mLastDsDx = mDsDx;
mLastDtDx = mDtDx;
mLastDsDy = mDsDy;
mLastDtDy = mDtDy;
w.mLastHScale = w.mHScale;
w.mLastVScale = w.mVScale;
if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(w,
"controller=" + mSurfaceController +
"alpha=" + mShownAlpha + " layer=" + mAnimLayer
+ " matrix=[" + mDsDx + "*" + w.mHScale
+ "," + mDtDx + "*" + w.mVScale
+ "][" + mDsDy + "*" + w.mHScale
+ "," + mDtDy + "*" + w.mVScale + "]", false);
boolean prepared =
mSurfaceController.prepareToShowInTransaction(mShownAlpha, mAnimLayer,
mDsDx * w.mHScale * mExtraHScale,
mDtDx * w.mVScale * mExtraVScale,
mDsDy * w.mHScale * mExtraHScale,
mDtDy * w.mVScale * mExtraVScale,
recoveringMemory);
if (prepared && mLastHidden && mDrawState == HAS_DRAWN) {
if (showSurfaceRobustlyLocked()) {
markPreservedSurfaceForDestroy();
mAnimator.requestRemovalOfReplacedWindows(w);
mLastHidden = false;
if (mIsWallpaper) {
mWallpaperControllerLocked.dispatchWallpaperVisibility(w, true);
}
// This draw means the difference between unique content and mirroring.
// Run another pass through performLayout to set mHasContent in the
// LogicalDisplay.
mAnimator.setPendingLayoutChanges(w.getDisplayId(),
WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM);
} else {
w.mOrientationChanging = false;
}
}
if (hasSurface()) {
w.mToken.hasVisible = true;
}
} else {
if (DEBUG_ANIM && isAnimationSet()) {
Slog.v(TAG, "prepareSurface: No changes in animation for " + this);
}
displayed = true;
}
if (displayed) {
if (w.mOrientationChanging) {
if (!w.isDrawnLw()) {
mAnimator.mBulkUpdateParams &= ~SET_ORIENTATION_CHANGE_COMPLETE;
mAnimator.mLastWindowFreezeSource = w;
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation continue waiting for draw in " + w);
} else {
w.mOrientationChanging = false;
if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change complete in " + w);
}
}
w.mToken.hasVisible = true;
}
}
void setTransparentRegionHintLocked(final Region region) {
if (mSurfaceController == null) {
Slog.w(TAG, "setTransparentRegionHint: null mSurface after mHasSurface true");
return;
}
mSurfaceController.setTransparentRegionHint(region);
}
void setWallpaperOffset(Point shownPosition) {
final LayoutParams attrs = mWin.getAttrs();
final int left = shownPosition.x - attrs.surfaceInsets.left;
final int top = shownPosition.y - attrs.surfaceInsets.top;
try {
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION setWallpaperOffset");
SurfaceControl.openTransaction();
mSurfaceController.setPositionInTransaction(mWin.mFrame.left + left,
mWin.mFrame.top + top, false);
calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect);
updateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect, false);
} catch (RuntimeException e) {
Slog.w(TAG, "Error positioning surface of " + mWin
+ " pos=(" + left + "," + top + ")", e);
} finally {
SurfaceControl.closeTransaction();
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
"<<< CLOSE TRANSACTION setWallpaperOffset");
}
}
/**
* Try to change the pixel format without recreating the surface. This
* will be common in the case of changing from PixelFormat.OPAQUE to
* PixelFormat.TRANSLUCENT in the hardware-accelerated case as both
* requested formats resolve to the same underlying SurfaceControl format
* @return True if format was succesfully changed, false otherwise
*/
boolean tryChangeFormatInPlaceLocked() {
if (mSurfaceController == null) {
return false;
}
final LayoutParams attrs = mWin.getAttrs();
final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0;
final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format;
if (format == mSurfaceFormat) {
setOpaqueLocked(!PixelFormat.formatHasAlpha(attrs.format));
return true;
}
return false;
}
void setOpaqueLocked(boolean isOpaque) {
if (mSurfaceController == null) {
return;
}
mSurfaceController.setOpaque(isOpaque);
}
void setSecureLocked(boolean isSecure) {
if (mSurfaceController == null) {
return;
}
mSurfaceController.setSecure(isSecure);
}
// This must be called while inside a transaction.
boolean performShowLocked() {
if (mWin.isHiddenFromUserLocked()) {
if (DEBUG_VISIBILITY) Slog.w(TAG, "hiding " + mWin + ", belonging to " + mWin.mOwnerUid);
mWin.hideLw(false);
return false;
}
if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW &&
mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) {
Slog.v(TAG, "performShow on " + this
+ ": mDrawState=" + drawStateToString() + " readyForDisplay="
+ mWin.isReadyForDisplayIgnoringKeyguard()
+ " starting=" + (mWin.mAttrs.type == TYPE_APPLICATION_STARTING)
+ " during animation: policyVis=" + mWin.mPolicyVisibility
+ " attHidden=" + mWin.mAttachedHidden
+ " tok.hiddenRequested="
+ (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false)
+ " tok.hidden="
+ (mWin.mAppToken != null ? mWin.mAppToken.hidden : false)
+ " animating=" + mAnimating
+ " tok animating="
+ (mAppAnimator != null ? mAppAnimator.animating : false) + " Callers="
+ Debug.getCallers(3));
}
if (mDrawState == READY_TO_SHOW && mWin.isReadyForDisplayIgnoringKeyguard()) {
if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW &&
mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) {
Slog.v(TAG, "Showing " + this
+ " during animation: policyVis=" + mWin.mPolicyVisibility
+ " attHidden=" + mWin.mAttachedHidden
+ " tok.hiddenRequested="
+ (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false)
+ " tok.hidden="
+ (mWin.mAppToken != null ? mWin.mAppToken.hidden : false)
+ " animating=" + mAnimating
+ " tok animating="
+ (mAppAnimator != null ? mAppAnimator.animating : false));
}
mService.enableScreenIfNeededLocked();
applyEnterAnimationLocked();
// Force the show in the next prepareSurfaceLocked() call.
mLastAlpha = -1;
if (DEBUG_SURFACE_TRACE || DEBUG_ANIM)
Slog.v(TAG, "performShowLocked: mDrawState=HAS_DRAWN in " + mWin);
mDrawState = HAS_DRAWN;
mService.scheduleAnimationLocked();
int i = mWin.mChildWindows.size();
while (i > 0) {
i--;
WindowState c = mWin.mChildWindows.get(i);
if (c.mAttachedHidden) {
c.mAttachedHidden = false;
if (c.mWinAnimator.mSurfaceController != null) {
c.mWinAnimator.performShowLocked();
// It hadn't been shown, which means layout not
// performed on it, so now we want to make sure to
// do a layout. If called from within the transaction
// loop, this will cause it to restart with a new
// layout.
final DisplayContent displayContent = c.getDisplayContent();
if (displayContent != null) {
displayContent.layoutNeeded = true;
}
}
}
}
if (mWin.mAttrs.type != TYPE_APPLICATION_STARTING && mWin.mAppToken != null) {
mWin.mAppToken.onFirstWindowDrawn(mWin, this);
}
if (mWin.mAttrs.type == TYPE_INPUT_METHOD) {
mWin.mDisplayContent.mDividerControllerLocked.resetImeHideRequested();
}
return true;
}
return false;
}
/**
* Have the surface flinger show a surface, robustly dealing with
* error conditions. In particular, if there is not enough memory
* to show the surface, then we will try to get rid of other surfaces
* in order to succeed.
*
* @return Returns true if the surface was successfully shown.
*/
private boolean showSurfaceRobustlyLocked() {
final Task task = mWin.getTask();
if (task != null && StackId.windowsAreScaleable(task.mStack.mStackId)) {
mSurfaceController.forceScaleableInTransaction(true);
}
boolean shown = mSurfaceController.showRobustlyInTransaction();
if (!shown)
return false;
if (mWin.mTurnOnScreen) {
if (DEBUG_VISIBILITY) Slog.v(TAG, "Show surface turning screen on: " + mWin);
mWin.mTurnOnScreen = false;
mAnimator.mBulkUpdateParams |= SET_TURN_ON_SCREEN;
}
return true;
}
void applyEnterAnimationLocked() {
// If we are the new part of a window replacement transition and we have requested
// not to animate, we instead want to make it seamless, so we don't want to apply
// an enter transition.
if (mWin.mSkipEnterAnimationForSeamlessReplacement) {
return;
}
final int transit;
if (mEnterAnimationPending) {
mEnterAnimationPending = false;
transit = WindowManagerPolicy.TRANSIT_ENTER;
} else {
transit = WindowManagerPolicy.TRANSIT_SHOW;
}
applyAnimationLocked(transit, true);
//TODO (multidisplay): Magnification is supported only for the default display.
if (mService.mAccessibilityController != null
&& mWin.getDisplayId() == DEFAULT_DISPLAY) {
mService.mAccessibilityController.onWindowTransitionLocked(mWin, transit);
}
}
/**
* Choose the correct animation and set it to the passed WindowState.
* @param transit If AppTransition.TRANSIT_PREVIEW_DONE and the app window has been drawn
* then the animation will be app_starting_exit. Any other value loads the animation from
* the switch statement below.
* @param isEntrance The animation type the last time this was called. Used to keep from
* loading the same animation twice.
* @return true if an animation has been loaded.
*/
boolean applyAnimationLocked(int transit, boolean isEntrance) {
if ((mLocalAnimating && mAnimationIsEntrance == isEntrance)
|| mKeyguardGoingAwayAnimation) {
// If we are trying to apply an animation, but already running
// an animation of the same type, then just leave that one alone.
// If we are in a keyguard exit animation, and the window should animate away, modify
// keyguard exit animation such that it also fades out.
if (mAnimation != null && mKeyguardGoingAwayAnimation
&& transit == WindowManagerPolicy.TRANSIT_PREVIEW_DONE) {
applyFadeoutDuringKeyguardExitAnimation();
}
return true;
}
// Only apply an animation if the display isn't frozen. If it is
// frozen, there is no reason to animate and it can cause strange
// artifacts when we unfreeze the display if some different animation
// is running.
if (mService.okToDisplay()) {
int anim = mPolicy.selectAnimationLw(mWin, transit);
int attr = -1;
Animation a = null;
if (anim != 0) {
a = anim != -1 ? AnimationUtils.loadAnimation(mContext, anim) : null;
} else {
switch (transit) {
case WindowManagerPolicy.TRANSIT_ENTER:
attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation;
break;
case WindowManagerPolicy.TRANSIT_EXIT:
attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_SHOW:
attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation;
break;
case WindowManagerPolicy.TRANSIT_HIDE:
attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation;
break;
}
if (attr >= 0) {
a = mService.mAppTransition.loadAnimationAttr(mWin.mAttrs, attr);
}
}
if (DEBUG_ANIM) Slog.v(TAG,
"applyAnimation: win=" + this
+ " anim=" + anim + " attr=0x" + Integer.toHexString(attr)
+ " a=" + a
+ " transit=" + transit
+ " isEntrance=" + isEntrance + " Callers " + Debug.getCallers(3));
if (a != null) {
if (DEBUG_ANIM) logWithStack(TAG, "Loaded animation " + a + " for " + this);
setAnimation(a);
mAnimationIsEntrance = isEntrance;
}
} else {
clearAnimation();
}
if (mWin.mAttrs.type == TYPE_INPUT_METHOD) {
mService.adjustForImeIfNeeded(mWin.mDisplayContent);
if (isEntrance) {
mWin.setDisplayLayoutNeeded();
mService.mWindowPlacerLocked.requestTraversal();
}
}
return mAnimation != null;
}
private void applyFadeoutDuringKeyguardExitAnimation() {
long startTime = mAnimation.getStartTime();
long duration = mAnimation.getDuration();
long elapsed = mLastAnimationTime - startTime;
long fadeDuration = duration - elapsed;
if (fadeDuration <= 0) {
// Never mind, this would be no visible animation, so abort the animation change.
return;
}
AnimationSet newAnimation = new AnimationSet(false /* shareInterpolator */);
newAnimation.setDuration(duration);
newAnimation.setStartTime(startTime);
newAnimation.addAnimation(mAnimation);
Animation fadeOut = AnimationUtils.loadAnimation(
mContext, com.android.internal.R.anim.app_starting_exit);
fadeOut.setDuration(fadeDuration);
fadeOut.setStartOffset(elapsed);
newAnimation.addAnimation(fadeOut);
newAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), mAnimDx, mAnimDy);
mAnimation = newAnimation;
}
public void dump(PrintWriter pw, String prefix, boolean dumpAll) {
if (mAnimating || mLocalAnimating || mAnimationIsEntrance
|| mAnimation != null) {
pw.print(prefix); pw.print("mAnimating="); pw.print(mAnimating);
pw.print(" mLocalAnimating="); pw.print(mLocalAnimating);
pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance);
pw.print(" mAnimation="); pw.print(mAnimation);
pw.print(" mStackClip="); pw.println(mStackClip);
}
if (mHasTransformation || mHasLocalTransformation) {
pw.print(prefix); pw.print("XForm: has=");
pw.print(mHasTransformation);
pw.print(" hasLocal="); pw.print(mHasLocalTransformation);
pw.print(" "); mTransformation.printShortString(pw);
pw.println();
}
if (mSurfaceController != null) {
mSurfaceController.dump(pw, prefix, dumpAll);
}
if (dumpAll) {
pw.print(prefix); pw.print("mDrawState="); pw.print(drawStateToString());
pw.print(prefix); pw.print(" mLastHidden="); pw.println(mLastHidden);
pw.print(prefix); pw.print("mSystemDecorRect="); mSystemDecorRect.printShortString(pw);
pw.print(" last="); mLastSystemDecorRect.printShortString(pw);
pw.print(" mHasClipRect="); pw.print(mHasClipRect);
pw.print(" mLastClipRect="); mLastClipRect.printShortString(pw);
if (!mLastFinalClipRect.isEmpty()) {
pw.print(" mLastFinalClipRect="); mLastFinalClipRect.printShortString(pw);
}
pw.println();
}
if (mPendingDestroySurface != null) {
pw.print(prefix); pw.print("mPendingDestroySurface=");
pw.println(mPendingDestroySurface);
}
if (mSurfaceResized || mSurfaceDestroyDeferred) {
pw.print(prefix); pw.print("mSurfaceResized="); pw.print(mSurfaceResized);
pw.print(" mSurfaceDestroyDeferred="); pw.println(mSurfaceDestroyDeferred);
}
if (mShownAlpha != 1 || mAlpha != 1 || mLastAlpha != 1) {
pw.print(prefix); pw.print("mShownAlpha="); pw.print(mShownAlpha);
pw.print(" mAlpha="); pw.print(mAlpha);
pw.print(" mLastAlpha="); pw.println(mLastAlpha);
}
if (mHaveMatrix || mWin.mGlobalScale != 1) {
pw.print(prefix); pw.print("mGlobalScale="); pw.print(mWin.mGlobalScale);
pw.print(" mDsDx="); pw.print(mDsDx);
pw.print(" mDtDx="); pw.print(mDtDx);
pw.print(" mDsDy="); pw.print(mDsDy);
pw.print(" mDtDy="); pw.println(mDtDy);
}
if (mAnimationStartDelayed) {
pw.print(prefix); pw.print("mAnimationStartDelayed="); pw.print(mAnimationStartDelayed);
}
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer("WindowStateAnimator{");
sb.append(Integer.toHexString(System.identityHashCode(this)));
sb.append(' ');
sb.append(mWin.mAttrs.getTitle());
sb.append('}');
return sb.toString();
}
void reclaimSomeSurfaceMemory(String operation, boolean secure) {
mService.reclaimSomeSurfaceMemoryLocked(this, operation, secure);
}
boolean getShown() {
if (mSurfaceController != null) {
return mSurfaceController.getShown();
}
return false;
}
void destroySurface() {
try {
if (mSurfaceController != null) {
mSurfaceController.destroyInTransaction();
}
} catch (RuntimeException e) {
Slog.w(TAG, "Exception thrown when destroying surface " + this
+ " surface " + mSurfaceController + " session " + mSession + ": " + e);
} finally {
mWin.setHasSurface(false);
mSurfaceController = null;
mDrawState = NO_SURFACE;
}
}
void setMoveAnimation(int left, int top) {
final Animation a = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.window_move_from_decor);
setAnimation(a);
mAnimDx = mWin.mLastFrame.left - left;
mAnimDy = mWin.mLastFrame.top - top;
mAnimateMove = true;
}
void deferTransactionUntilParentFrame(long frameNumber) {
if (!mWin.isChildWindow()) {
return;
}
mDeferTransactionUntilFrame = frameNumber;
mDeferTransactionTime = System.currentTimeMillis();
mSurfaceController.deferTransactionUntil(
mWin.mAttachedWindow.mWinAnimator.mSurfaceController.getHandle(),
frameNumber);
}
// Defer the current transaction to the frame number of the last saved transaction.
// We do this to avoid shooting through an unsynchronized transaction while something is
// pending. This is generally fine, as either we will get in on the synchronization,
// or SurfaceFlinger will see that the frame has already occured. The only
// potential problem is in frame number resets so we reset things with a timeout
// every so often to be careful.
void deferToPendingTransaction() {
if (mDeferTransactionUntilFrame < 0) {
return;
}
long time = System.currentTimeMillis();
if (time > mDeferTransactionTime + PENDING_TRANSACTION_FINISH_WAIT_TIME) {
mDeferTransactionTime = -1;
mDeferTransactionUntilFrame = -1;
} else {
mSurfaceController.deferTransactionUntil(
mWin.mAttachedWindow.mWinAnimator.mSurfaceController.getHandle(),
mDeferTransactionUntilFrame);
}
}
/**
* Sometimes we need to synchronize the first frame of animation with some external event.
* To achieve this, we prolong the start of the animation and keep producing the first frame of
* the animation.
*/
private long getAnimationFrameTime(Animation animation, long currentTime) {
if (mAnimationStartDelayed) {
animation.setStartTime(currentTime);
return currentTime + 1;
}
return currentTime;
}
void startDelayingAnimationStart() {
mAnimationStartDelayed = true;
}
void endDelayingAnimationStart() {
mAnimationStartDelayed = false;
}
}