Javascript
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2434行
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74.16 KB
var classesNav;
var devdocNav;
var sidenav;
var cookie_namespace = 'android_developer';
var NAV_PREF_TREE = "tree";
var NAV_PREF_PANELS = "panels";
var nav_pref;
var isMobile = false; // true if mobile, so we can adjust some layout
var basePath = getBaseUri(location.pathname);
var SITE_ROOT = toRoot + basePath.substring(1,basePath.indexOf("/",1));
/****** ON LOAD SET UP STUFF *********/
var navBarIsFixed = false;
$(document).ready(function() {
if (devsite) {
// move the lang selector into the overflow menu
$("#moremenu .mid div.header:last").after($("#language").detach());
}
// init the fullscreen toggle click event
$('#nav-swap .fullscreen').click(function(){
if ($(this).hasClass('disabled')) {
toggleFullscreen(true);
} else {
toggleFullscreen(false);
}
});
// initialize the divs with custom scrollbars
$('.scroll-pane').jScrollPane( {verticalGutter:0} );
// add HRs below all H2s (except for a few other h2 variants)
$('h2').not('#qv h2').not('#tb h2').not('.sidebox h2').not('#devdoc-nav h2').not('h2.norule').css({marginBottom:0}).after('<hr/>');
// set search's onkeyup handler here so we can show suggestions
// even while search results are visible
$("#search_autocomplete").keyup(function() {return search_changed(event, false, toRoot)});
// set up the search close button
$('.search .close').click(function() {
$searchInput = $('#search_autocomplete');
$searchInput.attr('value', '');
$(this).addClass("hide");
$("#search-container").removeClass('active');
$("#search_autocomplete").blur();
search_focus_changed($searchInput.get(), false); // see search_autocomplete.js
hideResults(); // see search_autocomplete.js
});
$('.search').click(function() {
if (!$('#search_autocomplete').is(":focused")) {
$('#search_autocomplete').focus();
}
});
// Set up quicknav
var quicknav_open = false;
$("#btn-quicknav").click(function() {
if (quicknav_open) {
$(this).removeClass('active');
quicknav_open = false;
collapse();
} else {
$(this).addClass('active');
quicknav_open = true;
expand();
}
})
var expand = function() {
$('#header-wrap').addClass('quicknav');
$('#quicknav').stop().show().animate({opacity:'1'});
}
var collapse = function() {
$('#quicknav').stop().animate({opacity:'0'}, 100, function() {
$(this).hide();
$('#header-wrap').removeClass('quicknav');
});
}
//Set up search
$("#search_autocomplete").focus(function() {
$("#search-container").addClass('active');
})
$("#search-container").mouseover(function() {
$("#search-container").addClass('active');
$("#search_autocomplete").focus();
})
$("#search-container").mouseout(function() {
if ($("#search_autocomplete").is(":focus")) return;
if ($("#search_autocomplete").val() == '') {
setTimeout(function(){
$("#search-container").removeClass('active');
$("#search_autocomplete").blur();
},250);
}
})
$("#search_autocomplete").blur(function() {
if ($("#search_autocomplete").val() == '') {
$("#search-container").removeClass('active');
}
})
// prep nav expandos
var pagePath = document.location.pathname;
// account for intl docs by removing the intl/*/ path
if (pagePath.indexOf("/intl/") == 0) {
pagePath = pagePath.substr(pagePath.indexOf("/",6)); // start after intl/ to get last /
}
if (pagePath.indexOf(SITE_ROOT) == 0) {
if (pagePath == '' || pagePath.charAt(pagePath.length - 1) == '/') {
pagePath += 'index.html';
}
}
if (SITE_ROOT.match(/\.\.\//) || SITE_ROOT == '') {
// If running locally, SITE_ROOT will be a relative path, so account for that by
// finding the relative URL to this page. This will allow us to find links on the page
// leading back to this page.
var pathParts = pagePath.split('/');
var relativePagePathParts = [];
var upDirs = (SITE_ROOT.match(/(\.\.\/)+/) || [''])[0].length / 3;
for (var i = 0; i < upDirs; i++) {
relativePagePathParts.push('..');
}
for (var i = 0; i < upDirs; i++) {
relativePagePathParts.push(pathParts[pathParts.length - (upDirs - i) - 1]);
}
relativePagePathParts.push(pathParts[pathParts.length - 1]);
pagePath = relativePagePathParts.join('/');
} else {
// Otherwise the page path is already an absolute URL
}
// select current page in sidenav and set up prev/next links if they exist
var $selNavLink = $('#nav').find('a[href="' + pagePath + '"]');
var $selListItem;
if ($selNavLink.length) {
$selListItem = $selNavLink.closest('li');
$selListItem.addClass('selected');
// Traverse up the tree and expand all parent nav-sections
$selNavLink.parents('li.nav-section').each(function() {
$(this).addClass('expanded');
$(this).children('ul').show();
});
// set up prev links
var $prevLink = [];
var $prevListItem = $selListItem.prev('li');
var crossBoundaries = ($("body.design").length > 0) || ($("body.guide").length > 0) ? true :
false; // navigate across topic boundaries only in design docs
if ($prevListItem.length) {
if ($prevListItem.hasClass('nav-section')) {
// jump to last topic of previous section
$prevLink = $prevListItem.find('a:last');
} else if (!$selListItem.hasClass('nav-section')) {
// jump to previous topic in this section
$prevLink = $prevListItem.find('a:eq(0)');
}
} else {
// jump to this section's index page (if it exists)
var $parentListItem = $selListItem.parents('li');
$prevLink = $selListItem.parents('li').find('a');
// except if cross boundaries aren't allowed, and we're at the top of a section already
// (and there's another parent)
if (!crossBoundaries && $parentListItem.hasClass('nav-section')
&& $selListItem.hasClass('nav-section')) {
$prevLink = [];
}
}
// set up next links
var $nextLink = [];
var startClass = false;
var training = $(".next-class-link").length; // decides whether to provide "next class" link
var isCrossingBoundary = false;
if ($selListItem.hasClass('nav-section')) {
// we're on an index page, jump to the first topic
$nextLink = $selListItem.find('ul:eq(0)').find('a:eq(0)');
// if there aren't any children, go to the next section (required for About pages)
if($nextLink.length == 0) {
$nextLink = $selListItem.next('li').find('a');
} else if ($('.topic-start-link').length) {
// as long as there's a child link and there is a "topic start link" (we're on a landing)
// then set the landing page "start link" text to be the first doc title
$('.topic-start-link').text($nextLink.text().toUpperCase());
}
// If the selected page has a description, then it's a class or article homepage
if ($selListItem.find('a[description]').length) {
// this means we're on a class landing page
startClass = true;
}
} else {
// jump to the next topic in this section (if it exists)
$nextLink = $selListItem.next('li').find('a:eq(0)');
if (!$nextLink.length) {
isCrossingBoundary = true;
// no more topics in this section, jump to the first topic in the next section
$nextLink = $selListItem.parents('li:eq(0)').next('li.nav-section').find('a:eq(0)');
if (!$nextLink.length) { // Go up another layer to look for next page (lesson > class > course)
$nextLink = $selListItem.parents('li:eq(1)').next('li.nav-section').find('a:eq(0)');
}
}
}
if (startClass) {
$('.start-class-link').attr('href', $nextLink.attr('href')).removeClass("hide");
// if there's no training bar (below the start button),
// then we need to add a bottom border to button
if (!$("#tb").length) {
$('.start-class-link').css({'border-bottom':'1px solid #DADADA'});
}
} else if (isCrossingBoundary && !$('body.design').length) { // Design always crosses boundaries
$('.content-footer.next-class').show();
$('.next-page-link').attr('href','')
.removeClass("hide").addClass("disabled")
.click(function() { return false; });
$('.next-class-link').attr('href',$nextLink.attr('href'))
.removeClass("hide").append($nextLink.html());
$('.next-class-link').find('.new').empty();
} else {
$('.next-page-link').attr('href', $nextLink.attr('href')).removeClass("hide");
}
if (!startClass && $prevLink.length) {
var prevHref = $prevLink.attr('href');
if (prevHref == SITE_ROOT + 'index.html') {
// Don't show Previous when it leads to the homepage
} else {
$('.prev-page-link').attr('href', $prevLink.attr('href')).removeClass("hide");
}
}
// If this is a training 'article', there should be no prev/next nav
// ... if the grandparent is the "nav" ... and it has no child list items...
if (training && $selListItem.parents('ul').eq(1).is('[id="nav"]') &&
!$selListItem.find('li').length) {
$('.next-page-link,.prev-page-link').attr('href','').addClass("disabled")
.click(function() { return false; });
}
}
// Set up the course landing pages for Training with class names and descriptions
if ($('body.trainingcourse').length) {
var $classLinks = $selListItem.find('ul li a').not('#nav .nav-section .nav-section ul a');
var $classDescriptions = $classLinks.attr('description');
var $olClasses = $('<ol class="class-list"></ol>');
var $liClass;
var $imgIcon;
var $h2Title;
var $pSummary;
var $olLessons;
var $liLesson;
$classLinks.each(function(index) {
$liClass = $('<li></li>');
$h2Title = $('<a class="title" href="'+$(this).attr('href')+'"><h2>' + $(this).html()+'</h2><span></span></a>');
$pSummary = $('<p class="description">' + $(this).attr('description') + '</p>');
$olLessons = $('<ol class="lesson-list"></ol>');
$lessons = $(this).closest('li').find('ul li a');
if ($lessons.length) {
$imgIcon = $('<img src="'+toRoot+'assets/images/resource-tutorial.png" alt=""/>');
$lessons.each(function(index) {
$olLessons.append('<li><a href="'+$(this).attr('href')+'">' + $(this).html()+'</a></li>');
});
} else {
$imgIcon = $('<img src="'+toRoot+'assets/images/resource-article.png" alt=""/>');
$pSummary.addClass('article');
}
$liClass.append($h2Title).append($imgIcon).append($pSummary).append($olLessons);
$olClasses.append($liClass);
});
$('.jd-descr').append($olClasses);
}
// Set up expand/collapse behavior
$('#nav li.nav-section .nav-section-header').click(function() {
var section = $(this).closest('li.nav-section');
if (section.hasClass('expanded')) {
/* hide me */
// if (section.hasClass('selected') || section.find('li').hasClass('selected')) {
// /* but not if myself or my descendents are selected */
// return;
// }
section.children('ul').slideUp(250, function() {
section.closest('li').removeClass('expanded');
resizeNav();
});
} else {
/* show me */
// first hide all other siblings
var $others = $('li.nav-section.expanded', $(this).closest('ul'));
$others.removeClass('expanded').children('ul').slideUp(250);
// now expand me
section.closest('li').addClass('expanded');
section.children('ul').slideDown(250, function() {
resizeNav();
});
}
});
$(".scroll-pane").scroll(function(event) {
event.preventDefault();
return false;
});
/* Resize nav height when window height changes */
$(window).resize(function() {
if ($('#side-nav').length == 0) return;
var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
setNavBarLeftPos(); // do this even if sidenav isn't fixed because it could become fixed
// make sidenav behave when resizing the window and side-scolling is a concern
if (navBarIsFixed) {
if ((stylesheet.attr("disabled") == "disabled") || stylesheet.length == 0) {
updateSideNavPosition();
} else {
updateSidenavFullscreenWidth();
}
}
resizeNav();
});
// Set up fixed navbar
var prevScrollLeft = 0; // used to compare current position to previous position of horiz scroll
$(window).scroll(function(event) {
if ($('#side-nav').length == 0) return;
if (event.target.nodeName == "DIV") {
// Dump scroll event if the target is a DIV, because that means the event is coming
// from a scrollable div and so there's no need to make adjustments to our layout
return;
}
var scrollTop = $(window).scrollTop();
var headerHeight = $('#header').outerHeight();
var subheaderHeight = $('#nav-x').outerHeight();
var searchResultHeight = $('#searchResults').is(":visible") ?
$('#searchResults').outerHeight() : 0;
var totalHeaderHeight = headerHeight + subheaderHeight + searchResultHeight;
// we set the navbar fixed when the scroll position is beyond the height of the site header...
var navBarShouldBeFixed = scrollTop > totalHeaderHeight;
// ... except if the document content is shorter than the sidenav height.
// (this is necessary to avoid crazy behavior on OSX Lion due to overscroll bouncing)
if ($("#doc-col").height() < $("#side-nav").height()) {
navBarShouldBeFixed = false;
}
var scrollLeft = $(window).scrollLeft();
// When the sidenav is fixed and user scrolls horizontally, reposition the sidenav to match
if (navBarIsFixed && (scrollLeft != prevScrollLeft)) {
updateSideNavPosition();
prevScrollLeft = scrollLeft;
}
// Don't continue if the header is sufficently far away
// (to avoid intensive resizing that slows scrolling)
if (navBarIsFixed && navBarShouldBeFixed) {
return;
}
if (navBarIsFixed != navBarShouldBeFixed) {
if (navBarShouldBeFixed) {
// make it fixed
var width = $('#devdoc-nav').width();
$('#devdoc-nav')
.addClass('fixed')
.css({'width':width+'px'})
.prependTo('#body-content');
// add neato "back to top" button
$('#devdoc-nav a.totop').css({'display':'block','width':$("#nav").innerWidth()+'px'});
// update the sidenaav position for side scrolling
updateSideNavPosition();
} else {
// make it static again
$('#devdoc-nav')
.removeClass('fixed')
.css({'width':'auto','margin':''})
.prependTo('#side-nav');
$('#devdoc-nav a.totop').hide();
}
navBarIsFixed = navBarShouldBeFixed;
}
resizeNav(250); // pass true in order to delay the scrollbar re-initialization for performance
});
var navBarLeftPos;
if ($('#devdoc-nav').length) {
setNavBarLeftPos();
}
// Stop expand/collapse behavior when clicking on nav section links (since we're navigating away
// from the page)
$('.nav-section-header').find('a:eq(0)').click(function(evt) {
window.location.href = $(this).attr('href');
return false;
});
// Set up play-on-hover <video> tags.
$('video.play-on-hover').bind('click', function(){
$(this).get(0).load(); // in case the video isn't seekable
$(this).get(0).play();
});
// Set up tooltips
var TOOLTIP_MARGIN = 10;
$('acronym,.tooltip-link').each(function() {
var $target = $(this);
var $tooltip = $('<div>')
.addClass('tooltip-box')
.append($target.attr('title'))
.hide()
.appendTo('body');
$target.removeAttr('title');
$target.hover(function() {
// in
var targetRect = $target.offset();
targetRect.width = $target.width();
targetRect.height = $target.height();
$tooltip.css({
left: targetRect.left,
top: targetRect.top + targetRect.height + TOOLTIP_MARGIN
});
$tooltip.addClass('below');
$tooltip.show();
}, function() {
// out
$tooltip.hide();
});
});
// Set up <h2> deeplinks
$('h2').click(function() {
var id = $(this).attr('id');
if (id) {
document.location.hash = id;
}
});
//Loads the +1 button
var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
po.src = 'https://apis.google.com/js/plusone.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
// Revise the sidenav widths to make room for the scrollbar
// which avoids the visible width from changing each time the bar appears
var $sidenav = $("#side-nav");
var sidenav_width = parseInt($sidenav.innerWidth());
$("#devdoc-nav #nav").css("width", sidenav_width - 4 + "px"); // 4px is scrollbar width
$(".scroll-pane").removeAttr("tabindex"); // get rid of tabindex added by jscroller
if ($(".scroll-pane").length > 1) {
// Check if there's a user preference for the panel heights
var cookieHeight = readCookie("reference_height");
if (cookieHeight) {
restoreHeight(cookieHeight);
}
}
resizeNav();
/* init the language selector based on user cookie for lang */
loadLangPref();
changeNavLang(getLangPref());
/* setup event handlers to ensure the overflow menu is visible while picking lang */
$("#language select")
.mousedown(function() {
$("div.morehover").addClass("hover"); })
.blur(function() {
$("div.morehover").removeClass("hover"); });
/* some global variable setup */
resizePackagesNav = $("#resize-packages-nav");
classesNav = $("#classes-nav");
devdocNav = $("#devdoc-nav");
var cookiePath = "";
if (location.href.indexOf("/reference/") != -1) {
cookiePath = "reference_";
} else if (location.href.indexOf("/guide/") != -1) {
cookiePath = "guide_";
} else if (location.href.indexOf("/tools/") != -1) {
cookiePath = "tools_";
} else if (location.href.indexOf("/training/") != -1) {
cookiePath = "training_";
} else if (location.href.indexOf("/design/") != -1) {
cookiePath = "design_";
} else if (location.href.indexOf("/distribute/") != -1) {
cookiePath = "distribute_";
}
});
function toggleFullscreen(enable) {
var delay = 20;
var enabled = true;
var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
if (enable) {
// Currently NOT USING fullscreen; enable fullscreen
stylesheet.removeAttr('disabled');
$('#nav-swap .fullscreen').removeClass('disabled');
$('#devdoc-nav').css({left:''});
setTimeout(updateSidenavFullscreenWidth,delay); // need to wait a moment for css to switch
enabled = true;
} else {
// Currently USING fullscreen; disable fullscreen
stylesheet.attr('disabled', 'disabled');
$('#nav-swap .fullscreen').addClass('disabled');
setTimeout(updateSidenavFixedWidth,delay); // need to wait a moment for css to switch
enabled = false;
}
writeCookie("fullscreen", enabled, null, null);
setNavBarLeftPos();
resizeNav(delay);
updateSideNavPosition();
setTimeout(initSidenavHeightResize,delay);
}
function setNavBarLeftPos() {
navBarLeftPos = $('#body-content').offset().left;
}
function updateSideNavPosition() {
var newLeft = $(window).scrollLeft() - navBarLeftPos;
$('#devdoc-nav').css({left: -newLeft});
$('#devdoc-nav .totop').css({left: -(newLeft - parseInt($('#side-nav').css('margin-left')))});
}
// TODO: use $(document).ready instead
function addLoadEvent(newfun) {
var current = window.onload;
if (typeof window.onload != 'function') {
window.onload = newfun;
} else {
window.onload = function() {
current();
newfun();
}
}
}
var agent = navigator['userAgent'].toLowerCase();
// If a mobile phone, set flag and do mobile setup
if ((agent.indexOf("mobile") != -1) || // android, iphone, ipod
(agent.indexOf("blackberry") != -1) ||
(agent.indexOf("webos") != -1) ||
(agent.indexOf("mini") != -1)) { // opera mini browsers
isMobile = true;
}
/* loads the lists.js file to the page.
Loading this in the head was slowing page load time */
addLoadEvent( function() {
var lists = document.createElement("script");
lists.setAttribute("type","text/javascript");
lists.setAttribute("src", toRoot+"reference/lists.js");
document.getElementsByTagName("head")[0].appendChild(lists);
} );
addLoadEvent( function() {
$("pre:not(.no-pretty-print)").addClass("prettyprint");
prettyPrint();
} );
/* ######### RESIZE THE SIDENAV HEIGHT ########## */
function resizeNav(delay) {
var $nav = $("#devdoc-nav");
var $window = $(window);
var navHeight;
// Get the height of entire window and the total header height.
// Then figure out based on scroll position whether the header is visible
var windowHeight = $window.height();
var scrollTop = $window.scrollTop();
var headerHeight = $('#header').outerHeight();
var subheaderHeight = $('#nav-x').outerHeight();
var headerVisible = (scrollTop < (headerHeight + subheaderHeight));
// get the height of space between nav and top of window.
// Could be either margin or top position, depending on whether the nav is fixed.
var topMargin = (parseInt($nav.css('margin-top')) || parseInt($nav.css('top'))) + 1;
// add 1 for the #side-nav bottom margin
// Depending on whether the header is visible, set the side nav's height.
if (headerVisible) {
// The sidenav height grows as the header goes off screen
navHeight = windowHeight - (headerHeight + subheaderHeight - scrollTop) - topMargin;
} else {
// Once header is off screen, the nav height is almost full window height
navHeight = windowHeight - topMargin;
}
$scrollPanes = $(".scroll-pane");
if ($scrollPanes.length > 1) {
// subtract the height of the api level widget and nav swapper from the available nav height
navHeight -= ($('#api-nav-header').outerHeight(true) + $('#nav-swap').outerHeight(true));
$("#swapper").css({height:navHeight + "px"});
if ($("#nav-tree").is(":visible")) {
$("#nav-tree").css({height:navHeight});
}
var classesHeight = navHeight - parseInt($("#resize-packages-nav").css("height")) - 10 + "px";
//subtract 10px to account for drag bar
// if the window becomes small enough to make the class panel height 0,
// then the package panel should begin to shrink
if (parseInt(classesHeight) <= 0) {
$("#resize-packages-nav").css({height:navHeight - 10}); //subtract 10px for drag bar
$("#packages-nav").css({height:navHeight - 10});
}
$("#classes-nav").css({'height':classesHeight, 'margin-top':'10px'});
$("#classes-nav .jspContainer").css({height:classesHeight});
} else {
$nav.height(navHeight);
}
if (delay) {
updateFromResize = true;
delayedReInitScrollbars(delay);
} else {
reInitScrollbars();
}
}
var updateScrollbars = false;
var updateFromResize = false;
/* Re-initialize the scrollbars to account for changed nav size.
* This method postpones the actual update by a 1/4 second in order to optimize the
* scroll performance while the header is still visible, because re-initializing the
* scroll panes is an intensive process.
*/
function delayedReInitScrollbars(delay) {
// If we're scheduled for an update, but have received another resize request
// before the scheduled resize has occured, just ignore the new request
// (and wait for the scheduled one).
if (updateScrollbars && updateFromResize) {
updateFromResize = false;
return;
}
// We're scheduled for an update and the update request came from this method's setTimeout
if (updateScrollbars && !updateFromResize) {
reInitScrollbars();
updateScrollbars = false;
} else {
updateScrollbars = true;
updateFromResize = false;
setTimeout('delayedReInitScrollbars()',delay);
}
}
/* Re-initialize the scrollbars to account for changed nav size. */
function reInitScrollbars() {
var pane = $(".scroll-pane").each(function(){
var api = $(this).data('jsp');
if (!api) { setTimeout(reInitScrollbars,300); return;}
api.reinitialise( {verticalGutter:0} );
});
$(".scroll-pane").removeAttr("tabindex"); // get rid of tabindex added by jscroller
}
/* Resize the height of the nav panels in the reference,
* and save the new size to a cookie */
function saveNavPanels() {
var basePath = getBaseUri(location.pathname);
var section = basePath.substring(1,basePath.indexOf("/",1));
writeCookie("height", resizePackagesNav.css("height"), section, null);
}
function restoreHeight(packageHeight) {
$("#resize-packages-nav").height(packageHeight);
$("#packages-nav").height(packageHeight);
// var classesHeight = navHeight - packageHeight;
// $("#classes-nav").css({height:classesHeight});
// $("#classes-nav .jspContainer").css({height:classesHeight});
}
/* ######### END RESIZE THE SIDENAV HEIGHT ########## */
/** Scroll the jScrollPane to make the currently selected item visible
This is called when the page finished loading. */
function scrollIntoView(nav) {
var $nav = $("#"+nav);
var element = $nav.jScrollPane({/* ...settings... */});
var api = element.data('jsp');
if ($nav.is(':visible')) {
var $selected = $(".selected", $nav);
if ($selected.length == 0) return;
var selectedOffset = $selected.position().top;
if (selectedOffset + 90 > $nav.height()) { // add 90 so that we scroll up even
// if the current item is close to the bottom
api.scrollTo(0, selectedOffset - ($nav.height() / 4), false); // scroll the item into view
// to be 1/4 of the way from the top
}
}
}
/* Show popup dialogs */
function showDialog(id) {
$dialog = $("#"+id);
$dialog.prepend('<div class="box-border"><div class="top"> <div class="left"></div> <div class="right"></div></div><div class="bottom"> <div class="left"></div> <div class="right"></div> </div> </div>');
$dialog.wrapInner('<div/>');
$dialog.removeClass("hide");
}
/* ######### COOKIES! ########## */
function readCookie(cookie) {
var myCookie = cookie_namespace+"_"+cookie+"=";
if (document.cookie) {
var index = document.cookie.indexOf(myCookie);
if (index != -1) {
var valStart = index + myCookie.length;
var valEnd = document.cookie.indexOf(";", valStart);
if (valEnd == -1) {
valEnd = document.cookie.length;
}
var val = document.cookie.substring(valStart, valEnd);
return val;
}
}
return 0;
}
function writeCookie(cookie, val, section, expiration) {
if (val==undefined) return;
section = section == null ? "_" : "_"+section+"_";
if (expiration == null) {
var date = new Date();
date.setTime(date.getTime()+(10*365*24*60*60*1000)); // default expiration is one week
expiration = date.toGMTString();
}
var cookieValue = cookie_namespace + section + cookie + "=" + val
+ "; expires=" + expiration+"; path=/";
document.cookie = cookieValue;
}
/* ######### END COOKIES! ########## */
/*
REMEMBER THE PREVIOUS PAGE FOR EACH TAB
function loadLast(cookiePath) {
var location = window.location.href;
if (location.indexOf("/"+cookiePath+"/") != -1) {
return true;
}
var lastPage = readCookie(cookiePath + "_lastpage");
if (lastPage) {
window.location = lastPage;
return false;
}
return true;
}
$(window).unload(function(){
var path = getBaseUri(location.pathname);
if (path.indexOf("/reference/") != -1) {
writeCookie("lastpage", path, "reference", null);
} else if (path.indexOf("/guide/") != -1) {
writeCookie("lastpage", path, "guide", null);
} else if ((path.indexOf("/resources/") != -1) || (path.indexOf("/training/") != -1)) {
writeCookie("lastpage", path, "resources", null);
}
});
*/
function toggle(obj, slide) {
var ul = $("ul:first", obj);
var li = ul.parent();
if (li.hasClass("closed")) {
if (slide) {
ul.slideDown("fast");
} else {
ul.show();
}
li.removeClass("closed");
li.addClass("open");
$(".toggle-img", li).attr("title", "hide pages");
} else {
ul.slideUp("fast");
li.removeClass("open");
li.addClass("closed");
$(".toggle-img", li).attr("title", "show pages");
}
}
function buildToggleLists() {
$(".toggle-list").each(
function(i) {
$("div:first", this).append("<a class='toggle-img' href='#' title='show pages' onClick='toggle(this.parentNode.parentNode, true); return false;'></a>");
$(this).addClass("closed");
});
}
/* REFERENCE NAV SWAP */
function getNavPref() {
var v = readCookie('reference_nav');
if (v != NAV_PREF_TREE) {
v = NAV_PREF_PANELS;
}
return v;
}
function chooseDefaultNav() {
nav_pref = getNavPref();
if (nav_pref == NAV_PREF_TREE) {
$("#nav-panels").toggle();
$("#panel-link").toggle();
$("#nav-tree").toggle();
$("#tree-link").toggle();
}
}
function swapNav() {
if (nav_pref == NAV_PREF_TREE) {
nav_pref = NAV_PREF_PANELS;
} else {
nav_pref = NAV_PREF_TREE;
init_default_navtree(toRoot);
}
var date = new Date();
date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
writeCookie("nav", nav_pref, "reference", date.toGMTString());
$("#nav-panels").toggle();
$("#panel-link").toggle();
$("#nav-tree").toggle();
$("#tree-link").toggle();
resizeNav();
// Gross nasty hack to make tree view show up upon first swap by setting height manually
$("#nav-tree .jspContainer:visible")
.css({'height':$("#nav-tree .jspContainer .jspPane").height() +'px'});
// Another nasty hack to make the scrollbar appear now that we have height
resizeNav();
if ($("#nav-tree").is(':visible')) {
scrollIntoView("nav-tree");
} else {
scrollIntoView("packages-nav");
scrollIntoView("classes-nav");
}
}
/* ############################################ */
/* ########## LOCALIZATION ############ */
/* ############################################ */
function getBaseUri(uri) {
var intlUrl = (uri.substring(0,6) == "/intl/");
if (intlUrl) {
base = uri.substring(uri.indexOf('intl/')+5,uri.length);
base = base.substring(base.indexOf('/')+1, base.length);
//alert("intl, returning base url: /" + base);
return ("/" + base);
} else {
//alert("not intl, returning uri as found.");
return uri;
}
}
function requestAppendHL(uri) {
//append "?hl=<lang> to an outgoing request (such as to blog)
var lang = getLangPref();
if (lang) {
var q = 'hl=' + lang;
uri += '?' + q;
window.location = uri;
return false;
} else {
return true;
}
}
function changeNavLang(lang) {
var $links = $("#devdoc-nav,#header,#nav-x,.training-nav-top,.content-footer").find("a["+lang+"-lang]");
$links.each(function(i){ // for each link with a translation
var $link = $(this);
if (lang != "en") { // No need to worry about English, because a language change invokes new request
// put the desired language from the attribute as the text
$link.text($link.attr(lang+"-lang"))
}
});
}
function changeLangPref(lang, submit) {
var date = new Date();
expires = date.toGMTString(date.setTime(date.getTime()+(10*365*24*60*60*1000)));
// keep this for 50 years
//alert("expires: " + expires)
writeCookie("pref_lang", lang, null, expires);
// ####### TODO: Remove this condition once we're stable on devsite #######
// This condition is only needed if we still need to support legacy GAE server
if (devsite) {
// Switch language when on Devsite server
if (submit) {
$("#setlang").submit();
}
} else {
// Switch language when on legacy GAE server
changeDocLang(lang);
if (submit) {
window.location = getBaseUri(location.pathname);
}
}
}
function loadLangPref() {
var lang = readCookie("pref_lang");
if (lang != 0) {
$("#language").find("option[value='"+lang+"']").attr("selected",true);
}
}
function getLangPref() {
var lang = $("#language").find(":selected").attr("value");
if (!lang) {
lang = readCookie("pref_lang");
}
return (lang != 0) ? lang : 'en';
}
/* ########## END LOCALIZATION ############ */
/* Used to hide and reveal supplemental content, such as long code samples.
See the companion CSS in android-developer-docs.css */
function toggleContent(obj) {
var div = $(obj.parentNode.parentNode);
var toggleMe = $(".toggle-content-toggleme",div);
if (div.hasClass("closed")) { // if it's closed, open it
toggleMe.slideDown();
$(".toggle-content-text", obj).toggle();
div.removeClass("closed").addClass("open");
$(".toggle-content-img", div).attr("title", "hide").attr("src", toRoot
+ "assets/images/triangle-opened.png");
} else { // if it's open, close it
toggleMe.slideUp('fast', function() { // Wait until the animation is done before closing arrow
$(".toggle-content-text", obj).toggle();
div.removeClass("open").addClass("closed");
$(".toggle-content-img", div).attr("title", "show").attr("src", toRoot
+ "assets/images/triangle-closed.png");
});
}
return false;
}
/* New version of expandable content */
function toggleExpandable(link,id) {
if($(id).is(':visible')) {
$(id).slideUp();
$(link).removeClass('expanded');
} else {
$(id).slideDown();
$(link).addClass('expanded');
}
}
function hideExpandable(ids) {
$(ids).slideUp();
$(ids).prev('h4').find('a.expandable').removeClass('expanded');
}
/*
* Slideshow 1.0
* Used on /index.html and /develop/index.html for carousel
*
* Sample usage:
* HTML -
* <div class="slideshow-container">
* <a href="" class="slideshow-prev">Prev</a>
* <a href="" class="slideshow-next">Next</a>
* <ul>
* <li class="item"><img src="images/marquee1.jpg"></li>
* <li class="item"><img src="images/marquee2.jpg"></li>
* <li class="item"><img src="images/marquee3.jpg"></li>
* <li class="item"><img src="images/marquee4.jpg"></li>
* </ul>
* </div>
*
* <script type="text/javascript">
* $('.slideshow-container').dacSlideshow({
* auto: true,
* btnPrev: '.slideshow-prev',
* btnNext: '.slideshow-next'
* });
* </script>
*
* Options:
* btnPrev: optional identifier for previous button
* btnNext: optional identifier for next button
* btnPause: optional identifier for pause button
* auto: whether or not to auto-proceed
* speed: animation speed
* autoTime: time between auto-rotation
* easing: easing function for transition
* start: item to select by default
* scroll: direction to scroll in
* pagination: whether or not to include dotted pagination
*
*/
(function($) {
$.fn.dacSlideshow = function(o) {
//Options - see above
o = $.extend({
btnPrev: null,
btnNext: null,
btnPause: null,
auto: true,
speed: 500,
autoTime: 12000,
easing: null,
start: 0,
scroll: 1,
pagination: true
}, o || {});
//Set up a carousel for each
return this.each(function() {
var running = false;
var animCss = o.vertical ? "top" : "left";
var sizeCss = o.vertical ? "height" : "width";
var div = $(this);
var ul = $("ul", div);
var tLi = $("li", ul);
var tl = tLi.size();
var timer = null;
var li = $("li", ul);
var itemLength = li.size();
var curr = o.start;
li.css({float: o.vertical ? "none" : "left"});
ul.css({margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1"});
div.css({position: "relative", "z-index": "2", left: "0px"});
var liSize = o.vertical ? height(li) : width(li);
var ulSize = liSize * itemLength;
var divSize = liSize;
li.css({width: li.width(), height: li.height()});
ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));
div.css(sizeCss, divSize+"px");
//Pagination
if (o.pagination) {
var pagination = $("<div class='pagination'></div>");
var pag_ul = $("<ul></ul>");
if (tl > 1) {
for (var i=0;i<tl;i++) {
var li = $("<li>"+i+"</li>");
pag_ul.append(li);
if (i==o.start) li.addClass('active');
li.click(function() {
go(parseInt($(this).text()));
})
}
pagination.append(pag_ul);
div.append(pagination);
}
}
//Previous button
if(o.btnPrev)
$(o.btnPrev).click(function(e) {
e.preventDefault();
return go(curr-o.scroll);
});
//Next button
if(o.btnNext)
$(o.btnNext).click(function(e) {
e.preventDefault();
return go(curr+o.scroll);
});
//Pause button
if(o.btnPause)
$(o.btnPause).click(function(e) {
e.preventDefault();
if ($(this).hasClass('paused')) {
startRotateTimer();
} else {
pauseRotateTimer();
}
});
//Auto rotation
if(o.auto) startRotateTimer();
function startRotateTimer() {
clearInterval(timer);
timer = setInterval(function() {
if (curr == tl-1) {
go(0);
} else {
go(curr+o.scroll);
}
}, o.autoTime);
$(o.btnPause).removeClass('paused');
}
function pauseRotateTimer() {
clearInterval(timer);
$(o.btnPause).addClass('paused');
}
//Go to an item
function go(to) {
if(!running) {
if(to<0) {
to = itemLength-1;
} else if (to>itemLength-1) {
to = 0;
}
curr = to;
running = true;
ul.animate(
animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) } , o.speed, o.easing,
function() {
running = false;
}
);
$(o.btnPrev + "," + o.btnNext).removeClass("disabled");
$( (curr-o.scroll<0 && o.btnPrev)
||
(curr+o.scroll > itemLength && o.btnNext)
||
[]
).addClass("disabled");
var nav_items = $('li', pagination);
nav_items.removeClass('active');
nav_items.eq(to).addClass('active');
}
if(o.auto) startRotateTimer();
return false;
};
});
};
function css(el, prop) {
return parseInt($.css(el[0], prop)) || 0;
};
function width(el) {
return el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
};
function height(el) {
return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
};
})(jQuery);
/*
* dacSlideshow 1.0
* Used on develop/index.html for side-sliding tabs
*
* Sample usage:
* HTML -
* <div class="slideshow-container">
* <a href="" class="slideshow-prev">Prev</a>
* <a href="" class="slideshow-next">Next</a>
* <ul>
* <li class="item"><img src="images/marquee1.jpg"></li>
* <li class="item"><img src="images/marquee2.jpg"></li>
* <li class="item"><img src="images/marquee3.jpg"></li>
* <li class="item"><img src="images/marquee4.jpg"></li>
* </ul>
* </div>
*
* <script type="text/javascript">
* $('.slideshow-container').dacSlideshow({
* auto: true,
* btnPrev: '.slideshow-prev',
* btnNext: '.slideshow-next'
* });
* </script>
*
* Options:
* btnPrev: optional identifier for previous button
* btnNext: optional identifier for next button
* auto: whether or not to auto-proceed
* speed: animation speed
* autoTime: time between auto-rotation
* easing: easing function for transition
* start: item to select by default
* scroll: direction to scroll in
* pagination: whether or not to include dotted pagination
*
*/
(function($) {
$.fn.dacTabbedList = function(o) {
//Options - see above
o = $.extend({
speed : 250,
easing: null,
nav_id: null,
frame_id: null
}, o || {});
//Set up a carousel for each
return this.each(function() {
var curr = 0;
var running = false;
var animCss = "margin-left";
var sizeCss = "width";
var div = $(this);
var nav = $(o.nav_id, div);
var nav_li = $("li", nav);
var nav_size = nav_li.size();
var frame = div.find(o.frame_id);
var content_width = $(frame).find('ul').width();
//Buttons
$(nav_li).click(function(e) {
go($(nav_li).index($(this)));
})
//Go to an item
function go(to) {
if(!running) {
curr = to;
running = true;
frame.animate({ 'margin-left' : -(curr*content_width) }, o.speed, o.easing,
function() {
running = false;
}
);
nav_li.removeClass('active');
nav_li.eq(to).addClass('active');
}
return false;
};
});
};
function css(el, prop) {
return parseInt($.css(el[0], prop)) || 0;
};
function width(el) {
return el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
};
function height(el) {
return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
};
})(jQuery);
/* ######################################################## */
/* ################ SEARCH SUGGESTIONS ################## */
/* ######################################################## */
var gSelectedIndex = -1;
var gSelectedID = -1;
var gMatches = new Array();
var gLastText = "";
var ROW_COUNT = 20;
var gInitialized = false;
function set_item_selected($li, selected)
{
if (selected) {
$li.attr('class','jd-autocomplete jd-selected');
} else {
$li.attr('class','jd-autocomplete');
}
}
function set_item_values(toroot, $li, match)
{
var $link = $('a',$li);
$link.html(match.__hilabel || match.label);
$link.attr('href',toroot + match.link);
}
function sync_selection_table(toroot)
{
var $list = $("#search_filtered");
var $li; //list item jquery object
var i; //list item iterator
gSelectedID = -1;
//initialize the table; draw it for the first time (but not visible).
if (!gInitialized) {
for (i=0; i<ROW_COUNT; i++) {
var $li = $("<li class='jd-autocomplete'></li>");
$list.append($li);
$li.mousedown(function() {
window.location = this.firstChild.getAttribute("href");
});
$li.mouseover(function() {
$('#search_filtered li').removeClass('jd-selected');
$(this).addClass('jd-selected');
gSelectedIndex = $('#search_filtered li').index(this);
});
$li.append('<a></a>');
}
gInitialized = true;
}
//if we have results, make the table visible and initialize result info
if (gMatches.length > 0) {
$('#search_filtered_div').removeClass('no-display');
var N = gMatches.length < ROW_COUNT ? gMatches.length : ROW_COUNT;
for (i=0; i<N; i++) {
$li = $('#search_filtered li:nth-child('+(i+1)+')');
$li.attr('class','show-item');
set_item_values(toroot, $li, gMatches[i]);
set_item_selected($li, i == gSelectedIndex);
if (i == gSelectedIndex) {
gSelectedID = gMatches[i].id;
}
}
//start hiding rows that are no longer matches
for (; i<ROW_COUNT; i++) {
$li = $('#search_filtered li:nth-child('+(i+1)+')');
$li.attr('class','no-display');
}
//if there are more results we're not showing, so say so.
/* if (gMatches.length > ROW_COUNT) {
li = list.rows[ROW_COUNT];
li.className = "show-item";
c1 = li.cells[0];
c1.innerHTML = "plus " + (gMatches.length-ROW_COUNT) + " more";
} else {
list.rows[ROW_COUNT].className = "hide-item";
}*/
//if we have no results, hide the table
} else {
$('#search_filtered_div').addClass('no-display');
}
}
function search_changed(e, kd, toroot)
{
var search = document.getElementById("search_autocomplete");
var text = search.value.replace(/(^ +)|( +$)/g, '');
// show/hide the close button
if (text != '') {
$(".search .close").removeClass("hide");
} else {
$(".search .close").addClass("hide");
}
// 13 = enter
if (e.keyCode == 13) {
$('#search_filtered_div').addClass('no-display');
if (!$('#search_filtered_div').hasClass('no-display') || (gSelectedIndex < 0)) {
if ($("#searchResults").is(":hidden")) {
// if results aren't showing, return true to allow search to execute
return true;
} else {
// otherwise, results are already showing, so allow ajax to auto refresh the results
// and ignore this Enter press to avoid the reload.
return false;
}
} else if (kd && gSelectedIndex >= 0) {
window.location = toroot + gMatches[gSelectedIndex].link;
return false;
}
}
// 38 -- arrow up
else if (kd && (e.keyCode == 38)) {
if (gSelectedIndex >= 0) {
$('#search_filtered li').removeClass('jd-selected');
gSelectedIndex--;
$('#search_filtered li:nth-child('+(gSelectedIndex+1)+')').addClass('jd-selected');
}
return false;
}
// 40 -- arrow down
else if (kd && (e.keyCode == 40)) {
if (gSelectedIndex < gMatches.length-1
&& gSelectedIndex < ROW_COUNT-1) {
$('#search_filtered li').removeClass('jd-selected');
gSelectedIndex++;
$('#search_filtered li:nth-child('+(gSelectedIndex+1)+')').addClass('jd-selected');
}
return false;
}
else if (!kd && (e.keyCode != 40) && (e.keyCode != 38)) {
gMatches = new Array();
matchedCount = 0;
gSelectedIndex = -1;
for (var i=0; i<DATA.length; i++) {
var s = DATA[i];
if (text.length != 0 &&
s.label.toLowerCase().indexOf(text.toLowerCase()) != -1) {
gMatches[matchedCount] = s;
matchedCount++;
}
}
rank_autocomplete_results(text);
for (var i=0; i<gMatches.length; i++) {
var s = gMatches[i];
if (gSelectedID == s.id) {
gSelectedIndex = i;
}
}
highlight_autocomplete_result_labels(text);
sync_selection_table(toroot);
return true; // allow the event to bubble up to the search api
}
}
function rank_autocomplete_results(query) {
query = query || '';
if (!gMatches || !gMatches.length)
return;
// helper function that gets the last occurence index of the given regex
// in the given string, or -1 if not found
var _lastSearch = function(s, re) {
if (s == '')
return -1;
var l = -1;
var tmp;
while ((tmp = s.search(re)) >= 0) {
if (l < 0) l = 0;
l += tmp;
s = s.substr(tmp + 1);
}
return l;
};
// helper function that counts the occurrences of a given character in
// a given string
var _countChar = function(s, c) {
var n = 0;
for (var i=0; i<s.length; i++)
if (s.charAt(i) == c) ++n;
return n;
};
var queryLower = query.toLowerCase();
var queryAlnum = (queryLower.match(/\w+/) || [''])[0];
var partPrefixAlnumRE = new RegExp('\\b' + queryAlnum);
var partExactAlnumRE = new RegExp('\\b' + queryAlnum + '\\b');
var _resultScoreFn = function(result) {
// scores are calculated based on exact and prefix matches,
// and then number of path separators (dots) from the last
// match (i.e. favoring classes and deep package names)
var score = 1.0;
var labelLower = result.label.toLowerCase();
var t;
t = _lastSearch(labelLower, partExactAlnumRE);
if (t >= 0) {
// exact part match
var partsAfter = _countChar(labelLower.substr(t + 1), '.');
score *= 200 / (partsAfter + 1);
} else {
t = _lastSearch(labelLower, partPrefixAlnumRE);
if (t >= 0) {
// part prefix match
var partsAfter = _countChar(labelLower.substr(t + 1), '.');
score *= 20 / (partsAfter + 1);
}
}
return score;
};
for (var i=0; i<gMatches.length; i++) {
gMatches[i].__resultScore = _resultScoreFn(gMatches[i]);
}
gMatches.sort(function(a,b){
var n = b.__resultScore - a.__resultScore;
if (n == 0) // lexicographical sort if scores are the same
n = (a.label < b.label) ? -1 : 1;
return n;
});
}
function highlight_autocomplete_result_labels(query) {
query = query || '';
if (!gMatches || !gMatches.length)
return;
var queryLower = query.toLowerCase();
var queryAlnumDot = (queryLower.match(/[\w\.]+/) || [''])[0];
var queryRE = new RegExp(
'(' + queryAlnumDot.replace(/\./g, '\\.') + ')', 'ig');
for (var i=0; i<gMatches.length; i++) {
gMatches[i].__hilabel = gMatches[i].label.replace(
queryRE, '<b>$1</b>');
}
}
function search_focus_changed(obj, focused)
{
if (!focused) {
if(obj.value == ""){
$(".search .close").addClass("hide");
}
document.getElementById("search_filtered_div").className = "no-display";
}
}
function submit_search() {
var query = document.getElementById('search_autocomplete').value;
location.hash = 'q=' + query;
loadSearchResults();
$("#searchResults").slideDown('slow');
return false;
}
function hideResults() {
$("#searchResults").slideUp();
$(".search .close").addClass("hide");
location.hash = '';
$("#search_autocomplete").val("").blur();
// reset the ajax search callback to nothing, so results don't appear unless ENTER
searchControl.setSearchStartingCallback(this, function(control, searcher, query) {});
return false;
}
/* ########################################################## */
/* ################ CUSTOM SEARCH ENGINE ################## */
/* ########################################################## */
google.load('search', '1');
var searchControl;
function loadSearchResults() {
document.getElementById("search_autocomplete").style.color = "#000";
// create search control
searchControl = new google.search.SearchControl();
// use our existing search form and use tabs when multiple searchers are used
drawOptions = new google.search.DrawOptions();
drawOptions.setDrawMode(google.search.SearchControl.DRAW_MODE_TABBED);
drawOptions.setInput(document.getElementById("search_autocomplete"));
// configure search result options
searchOptions = new google.search.SearcherOptions();
searchOptions.setExpandMode(GSearchControl.EXPAND_MODE_OPEN);
// configure each of the searchers, for each tab
devSiteSearcher = new google.search.WebSearch();
devSiteSearcher.setUserDefinedLabel("All");
devSiteSearcher.setSiteRestriction("001482626316274216503:zu90b7s047u");
designSearcher = new google.search.WebSearch();
designSearcher.setUserDefinedLabel("Design");
designSearcher.setSiteRestriction("http://developer.android.com/design/");
trainingSearcher = new google.search.WebSearch();
trainingSearcher.setUserDefinedLabel("Training");
trainingSearcher.setSiteRestriction("http://developer.android.com/training/");
guidesSearcher = new google.search.WebSearch();
guidesSearcher.setUserDefinedLabel("Guides");
guidesSearcher.setSiteRestriction("http://developer.android.com/guide/");
referenceSearcher = new google.search.WebSearch();
referenceSearcher.setUserDefinedLabel("Reference");
referenceSearcher.setSiteRestriction("http://developer.android.com/reference/");
googleSearcher = new google.search.WebSearch();
googleSearcher.setUserDefinedLabel("Google Services");
googleSearcher.setSiteRestriction("http://developer.android.com/google/");
blogSearcher = new google.search.WebSearch();
blogSearcher.setUserDefinedLabel("Blog");
blogSearcher.setSiteRestriction("http://android-developers.blogspot.com");
// add each searcher to the search control
searchControl.addSearcher(devSiteSearcher, searchOptions);
searchControl.addSearcher(designSearcher, searchOptions);
searchControl.addSearcher(trainingSearcher, searchOptions);
searchControl.addSearcher(guidesSearcher, searchOptions);
searchControl.addSearcher(referenceSearcher, searchOptions);
searchControl.addSearcher(googleSearcher, searchOptions);
searchControl.addSearcher(blogSearcher, searchOptions);
// configure result options
searchControl.setResultSetSize(google.search.Search.LARGE_RESULTSET);
searchControl.setLinkTarget(google.search.Search.LINK_TARGET_SELF);
searchControl.setTimeoutInterval(google.search.SearchControl.TIMEOUT_SHORT);
searchControl.setNoResultsString(google.search.SearchControl.NO_RESULTS_DEFAULT_STRING);
// upon ajax search, refresh the url and search title
searchControl.setSearchStartingCallback(this, function(control, searcher, query) {
updateResultTitle(query);
var query = document.getElementById('search_autocomplete').value;
location.hash = 'q=' + query;
});
// draw the search results box
searchControl.draw(document.getElementById("leftSearchControl"), drawOptions);
// get query and execute the search
searchControl.execute(decodeURI(getQuery(location.hash)));
document.getElementById("search_autocomplete").focus();
addTabListeners();
}
// End of loadSearchResults
google.setOnLoadCallback(function(){
if (location.hash.indexOf("q=") == -1) {
// if there's no query in the url, don't search and make sure results are hidden
$('#searchResults').hide();
return;
} else {
// first time loading search results for this page
$('#searchResults').slideDown('slow');
$(".search .close").removeClass("hide");
loadSearchResults();
}
}, true);
// when an event on the browser history occurs (back, forward, load) requery hash and do search
$(window).hashchange( function(){
// Exit if the hash isn't a search query or there's an error in the query
if ((location.hash.indexOf("q=") == -1) || (query == "undefined")) {
// If the results pane is open, close it.
if (!$("#searchResults").is(":hidden")) {
hideResults();
}
return;
}
// Otherwise, we have a search to do
var query = decodeURI(getQuery(location.hash));
searchControl.execute(query);
$('#searchResults').slideDown('slow');
$("#search_autocomplete").focus();
$(".search .close").removeClass("hide");
updateResultTitle(query);
});
function updateResultTitle(query) {
$("#searchTitle").html("Results for <em>" + escapeHTML(query) + "</em>");
}
// forcefully regain key-up event control (previously jacked by search api)
$("#search_autocomplete").keyup(function(event) {
return search_changed(event, false, toRoot);
});
// add event listeners to each tab so we can track the browser history
function addTabListeners() {
var tabHeaders = $(".gsc-tabHeader");
for (var i = 0; i < tabHeaders.length; i++) {
$(tabHeaders[i]).attr("id",i).click(function() {
/*
// make a copy of the page numbers for the search left pane
setTimeout(function() {
// remove any residual page numbers
$('#searchResults .gsc-tabsArea .gsc-cursor-box.gs-bidi-start-align').remove();
// move the page numbers to the left position; make a clone,
// because the element is drawn to the DOM only once
// and because we're going to remove it (previous line),
// we need it to be available to move again as the user navigates
$('#searchResults .gsc-webResult .gsc-cursor-box.gs-bidi-start-align:visible')
.clone().appendTo('#searchResults .gsc-tabsArea');
}, 200);
*/
});
}
setTimeout(function(){$(tabHeaders[0]).click()},200);
}
function getQuery(hash) {
var queryParts = hash.split('=');
return queryParts[1];
}
/* returns the given string with all HTML brackets converted to entities
TODO: move this to the site's JS library */
function escapeHTML(string) {
return string.replace(/</g,"<")
.replace(/>/g,">");
}
/* ######################################################## */
/* ################# JAVADOC REFERENCE ################### */
/* ######################################################## */
/* Initialize some droiddoc stuff, but only if we're in the reference */
if (location.pathname.indexOf("/reference")) {
if(!location.pathname.indexOf("/reference-gms/packages.html")
&& !location.pathname.indexOf("/reference-gcm/packages.html")
&& !location.pathname.indexOf("/reference/com/google") == 0) {
$(document).ready(function() {
// init available apis based on user pref
changeApiLevel();
initSidenavHeightResize()
});
}
}
var API_LEVEL_COOKIE = "api_level";
var minLevel = 1;
var maxLevel = 1;
/******* SIDENAV DIMENSIONS ************/
function initSidenavHeightResize() {
// Change the drag bar size to nicely fit the scrollbar positions
var $dragBar = $(".ui-resizable-s");
$dragBar.css({'width': $dragBar.parent().width() - 5 + "px"});
$( "#resize-packages-nav" ).resizable({
containment: "#nav-panels",
handles: "s",
alsoResize: "#packages-nav",
resize: function(event, ui) { resizeNav(); }, /* resize the nav while dragging */
stop: function(event, ui) { saveNavPanels(); } /* once stopped, save the sizes to cookie */
});
}
function updateSidenavFixedWidth() {
if (!navBarIsFixed) return;
$('#devdoc-nav').css({
'width' : $('#side-nav').css('width'),
'margin' : $('#side-nav').css('margin')
});
$('#devdoc-nav a.totop').css({'display':'block','width':$("#nav").innerWidth()+'px'});
initSidenavHeightResize();
}
function updateSidenavFullscreenWidth() {
if (!navBarIsFixed) return;
$('#devdoc-nav').css({
'width' : $('#side-nav').css('width'),
'margin' : $('#side-nav').css('margin')
});
$('#devdoc-nav .totop').css({'left': 'inherit'});
initSidenavHeightResize();
}
function buildApiLevelSelector() {
maxLevel = SINCE_DATA.length;
var userApiLevel = parseInt(readCookie(API_LEVEL_COOKIE));
userApiLevel = userApiLevel == 0 ? maxLevel : userApiLevel; // If there's no cookie (zero), use the max by default
minLevel = parseInt($("#doc-api-level").attr("class"));
// Handle provisional api levels; the provisional level will always be the highest possible level
// Provisional api levels will also have a length; other stuff that's just missing a level won't,
// so leave those kinds of entities at the default level of 1 (for example, the R.styleable class)
if (isNaN(minLevel) && minLevel.length) {
minLevel = maxLevel;
}
var select = $("#apiLevelSelector").html("").change(changeApiLevel);
for (var i = maxLevel-1; i >= 0; i--) {
var option = $("<option />").attr("value",""+SINCE_DATA[i]).append(""+SINCE_DATA[i]);
// if (SINCE_DATA[i] < minLevel) option.addClass("absent"); // always false for strings (codenames)
select.append(option);
}
// get the DOM element and use setAttribute cuz IE6 fails when using jquery .attr('selected',true)
var selectedLevelItem = $("#apiLevelSelector option[value='"+userApiLevel+"']").get(0);
selectedLevelItem.setAttribute('selected',true);
}
function changeApiLevel() {
maxLevel = SINCE_DATA.length;
var selectedLevel = maxLevel;
selectedLevel = parseInt($("#apiLevelSelector option:selected").val());
toggleVisisbleApis(selectedLevel, "body");
var date = new Date();
date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
var expiration = date.toGMTString();
writeCookie(API_LEVEL_COOKIE, selectedLevel, null, expiration);
if (selectedLevel < minLevel) {
var thing = ($("#jd-header").html().indexOf("package") != -1) ? "package" : "class";
$("#naMessage").show().html("<div><p><strong>This " + thing
+ " requires API level " + minLevel + " or higher.</strong></p>"
+ "<p>This document is hidden because your selected API level for the documentation is "
+ selectedLevel + ". You can change the documentation API level with the selector "
+ "above the left navigation.</p>"
+ "<p>For more information about specifying the API level your app requires, "
+ "read <a href='" + toRoot + "training/basics/supporting-devices/platforms.html'"
+ ">Supporting Different Platform Versions</a>.</p>"
+ "<input type='button' value='OK, make this page visible' "
+ "title='Change the API level to " + minLevel + "' "
+ "onclick='$(\"#apiLevelSelector\").val(\"" + minLevel + "\");changeApiLevel();' />"
+ "</div>");
} else {
$("#naMessage").hide();
}
}
function toggleVisisbleApis(selectedLevel, context) {
var apis = $(".api",context);
apis.each(function(i) {
var obj = $(this);
var className = obj.attr("class");
var apiLevelIndex = className.lastIndexOf("-")+1;
var apiLevelEndIndex = className.indexOf(" ", apiLevelIndex);
apiLevelEndIndex = apiLevelEndIndex != -1 ? apiLevelEndIndex : className.length;
var apiLevel = className.substring(apiLevelIndex, apiLevelEndIndex);
if (apiLevel.length == 0) { // for odd cases when the since data is actually missing, just bail
return;
}
apiLevel = parseInt(apiLevel);
// Handle provisional api levels; if this item's level is the provisional one, set it to the max
var selectedLevelNum = parseInt(selectedLevel)
var apiLevelNum = parseInt(apiLevel);
if (isNaN(apiLevelNum)) {
apiLevelNum = maxLevel;
}
// Grey things out that aren't available and give a tooltip title
if (apiLevelNum > selectedLevelNum) {
obj.addClass("absent").attr("title","Requires API Level \""
+ apiLevel + "\" or higher");
}
else obj.removeClass("absent").removeAttr("title");
});
}
/* ################# SIDENAV TREE VIEW ################### */
function new_node(me, mom, text, link, children_data, api_level)
{
var node = new Object();
node.children = Array();
node.children_data = children_data;
node.depth = mom.depth + 1;
node.li = document.createElement("li");
mom.get_children_ul().appendChild(node.li);
node.label_div = document.createElement("div");
node.label_div.className = "label";
if (api_level != null) {
$(node.label_div).addClass("api");
$(node.label_div).addClass("api-level-"+api_level);
}
node.li.appendChild(node.label_div);
if (children_data != null) {
node.expand_toggle = document.createElement("a");
node.expand_toggle.href = "javascript:void(0)";
node.expand_toggle.onclick = function() {
if (node.expanded) {
$(node.get_children_ul()).slideUp("fast");
node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
node.expanded = false;
} else {
expand_node(me, node);
}
};
node.label_div.appendChild(node.expand_toggle);
node.plus_img = document.createElement("img");
node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
node.plus_img.className = "plus";
node.plus_img.width = "8";
node.plus_img.border = "0";
node.expand_toggle.appendChild(node.plus_img);
node.expanded = false;
}
var a = document.createElement("a");
node.label_div.appendChild(a);
node.label = document.createTextNode(text);
a.appendChild(node.label);
if (link) {
a.href = me.toroot + link;
} else {
if (children_data != null) {
a.className = "nolink";
a.href = "javascript:void(0)";
a.onclick = node.expand_toggle.onclick;
// This next line shouldn't be necessary. I'll buy a beer for the first
// person who figures out how to remove this line and have the link
// toggle shut on the first try. --joeo@android.com
node.expanded = false;
}
}
node.children_ul = null;
node.get_children_ul = function() {
if (!node.children_ul) {
node.children_ul = document.createElement("ul");
node.children_ul.className = "children_ul";
node.children_ul.style.display = "none";
node.li.appendChild(node.children_ul);
}
return node.children_ul;
};
return node;
}
function expand_node(me, node)
{
if (node.children_data && !node.expanded) {
if (node.children_visited) {
$(node.get_children_ul()).slideDown("fast");
} else {
get_node(me, node);
if ($(node.label_div).hasClass("absent")) {
$(node.get_children_ul()).addClass("absent");
}
$(node.get_children_ul()).slideDown("fast");
}
node.plus_img.src = me.toroot + "assets/images/triangle-opened-small.png";
node.expanded = true;
// perform api level toggling because new nodes are new to the DOM
var selectedLevel = $("#apiLevelSelector option:selected").val();
toggleVisisbleApis(selectedLevel, "#side-nav");
}
}
function get_node(me, mom)
{
mom.children_visited = true;
for (var i in mom.children_data) {
var node_data = mom.children_data[i];
mom.children[i] = new_node(me, mom, node_data[0], node_data[1],
node_data[2], node_data[3]);
}
}
function this_page_relative(toroot)
{
var full = document.location.pathname;
var file = "";
if (toroot.substr(0, 1) == "/") {
if (full.substr(0, toroot.length) == toroot) {
return full.substr(toroot.length);
} else {
// the file isn't under toroot. Fail.
return null;
}
} else {
if (toroot != "./") {
toroot = "./" + toroot;
}
do {
if (toroot.substr(toroot.length-3, 3) == "../" || toroot == "./") {
var pos = full.lastIndexOf("/");
file = full.substr(pos) + file;
full = full.substr(0, pos);
toroot = toroot.substr(0, toroot.length-3);
}
} while (toroot != "" && toroot != "/");
return file.substr(1);
}
}
function find_page(url, data)
{
var nodes = data;
var result = null;
for (var i in nodes) {
var d = nodes[i];
if (d[1] == url) {
return new Array(i);
}
else if (d[2] != null) {
result = find_page(url, d[2]);
if (result != null) {
return (new Array(i).concat(result));
}
}
}
return null;
}
function init_default_navtree(toroot) {
init_navtree("tree-list", toroot, NAVTREE_DATA);
// perform api level toggling because because the whole tree is new to the DOM
var selectedLevel = $("#apiLevelSelector option:selected").val();
toggleVisisbleApis(selectedLevel, "#side-nav");
}
function init_navtree(navtree_id, toroot, root_nodes)
{
var me = new Object();
me.toroot = toroot;
me.node = new Object();
me.node.li = document.getElementById(navtree_id);
me.node.children_data = root_nodes;
me.node.children = new Array();
me.node.children_ul = document.createElement("ul");
me.node.get_children_ul = function() { return me.node.children_ul; };
//me.node.children_ul.className = "children_ul";
me.node.li.appendChild(me.node.children_ul);
me.node.depth = 0;
get_node(me, me.node);
me.this_page = this_page_relative(toroot);
me.breadcrumbs = find_page(me.this_page, root_nodes);
if (me.breadcrumbs != null && me.breadcrumbs.length != 0) {
var mom = me.node;
for (var i in me.breadcrumbs) {
var j = me.breadcrumbs[i];
mom = mom.children[j];
expand_node(me, mom);
}
mom.label_div.className = mom.label_div.className + " selected";
addLoadEvent(function() {
scrollIntoView("nav-tree");
});
}
}
/* TODO: eliminate redundancy with non-google functions */
function init_google_navtree(navtree_id, toroot, root_nodes)
{
var me = new Object();
me.toroot = toroot;
me.node = new Object();
me.node.li = document.getElementById(navtree_id);
me.node.children_data = root_nodes;
me.node.children = new Array();
me.node.children_ul = document.createElement("ul");
me.node.get_children_ul = function() { return me.node.children_ul; };
//me.node.children_ul.className = "children_ul";
me.node.li.appendChild(me.node.children_ul);
me.node.depth = 0;
get_google_node(me, me.node);
}
function new_google_node(me, mom, text, link, children_data, api_level)
{
var node = new Object();
var child;
node.children = Array();
node.children_data = children_data;
node.depth = mom.depth + 1;
node.get_children_ul = function() {
if (!node.children_ul) {
node.children_ul = document.createElement("ul");
node.children_ul.className = "tree-list-children";
node.li.appendChild(node.children_ul);
}
return node.children_ul;
};
node.li = document.createElement("li");
mom.get_children_ul().appendChild(node.li);
if(link) {
child = document.createElement("a");
}
else {
child = document.createElement("span");
child.className = "tree-list-subtitle";
}
if (children_data != null) {
node.li.className="nav-section";
node.label_div = document.createElement("div");
node.label_div.className = "nav-section-header-ref";
node.li.appendChild(node.label_div);
get_google_node(me, node);
node.label_div.appendChild(child);
}
else {
node.li.appendChild(child);
}
if(link) {
child.href = me.toroot + link;
}
node.label = document.createTextNode(text);
child.appendChild(node.label);
node.children_ul = null;
return node;
}
function get_google_node(me, mom)
{
mom.children_visited = true;
var linkText;
for (var i in mom.children_data) {
var node_data = mom.children_data[i];
linkText = node_data[0];
if(linkText.match("^"+"com.google.android")=="com.google.android"){
linkText = linkText.substr(19, linkText.length);
}
mom.children[i] = new_google_node(me, mom, linkText, node_data[1],
node_data[2], node_data[3]);
}
}
function showGoogleRefTree() {
init_default_google_navtree(toRoot);
init_default_gcm_navtree(toRoot);
resizeNav();
}
function init_default_google_navtree(toroot) {
init_google_navtree("gms-tree-list", toroot, GMS_NAVTREE_DATA);
}
function init_default_gcm_navtree(toroot) {
init_google_navtree("gcm-tree-list", toroot, GCM_NAVTREE_DATA);
}
/* TOGGLE INHERITED MEMBERS */
/* Toggle an inherited class (arrow toggle)
* @param linkObj The link that was clicked.
* @param expand 'true' to ensure it's expanded. 'false' to ensure it's closed.
* 'null' to simply toggle.
*/
function toggleInherited(linkObj, expand) {
var base = linkObj.getAttribute("id");
var list = document.getElementById(base + "-list");
var summary = document.getElementById(base + "-summary");
var trigger = document.getElementById(base + "-trigger");
var a = $(linkObj);
if ( (expand == null && a.hasClass("closed")) || expand ) {
list.style.display = "none";
summary.style.display = "block";
trigger.src = toRoot + "assets/images/triangle-opened.png";
a.removeClass("closed");
a.addClass("opened");
} else if ( (expand == null && a.hasClass("opened")) || (expand == false) ) {
list.style.display = "block";
summary.style.display = "none";
trigger.src = toRoot + "assets/images/triangle-closed.png";
a.removeClass("opened");
a.addClass("closed");
}
return false;
}
/* Toggle all inherited classes in a single table (e.g. all inherited methods)
* @param linkObj The link that was clicked.
* @param expand 'true' to ensure it's expanded. 'false' to ensure it's closed.
* 'null' to simply toggle.
*/
function toggleAllInherited(linkObj, expand) {
var a = $(linkObj);
var table = $(a.parent().parent().parent()); // ugly way to get table/tbody
var expandos = $(".jd-expando-trigger", table);
if ( (expand == null && a.text() == "[Expand]") || expand ) {
expandos.each(function(i) {
toggleInherited(this, true);
});
a.text("[Collapse]");
} else if ( (expand == null && a.text() == "[Collapse]") || (expand == false) ) {
expandos.each(function(i) {
toggleInherited(this, false);
});
a.text("[Expand]");
}
return false;
}
/* Toggle all inherited members in the class (link in the class title)
*/
function toggleAllClassInherited() {
var a = $("#toggleAllClassInherited"); // get toggle link from class title
var toggles = $(".toggle-all", $("#body-content"));
if (a.text() == "[Expand All]") {
toggles.each(function(i) {
toggleAllInherited(this, true);
});
a.text("[Collapse All]");
} else {
toggles.each(function(i) {
toggleAllInherited(this, false);
});
a.text("[Expand All]");
}
return false;
}
/* Expand all inherited members in the class. Used when initiating page search */
function ensureAllInheritedExpanded() {
var toggles = $(".toggle-all", $("#body-content"));
toggles.each(function(i) {
toggleAllInherited(this, true);
});
$("#toggleAllClassInherited").text("[Collapse All]");
}
/* HANDLE KEY EVENTS
* - Listen for Ctrl+F (Cmd on Mac) and expand all inherited members (to aid page search)
*/
var agent = navigator['userAgent'].toLowerCase();
var mac = agent.indexOf("macintosh") != -1;
$(document).keydown( function(e) {
var control = mac ? e.metaKey && !e.ctrlKey : e.ctrlKey; // get ctrl key
if (control && e.which == 70) { // 70 is "F"
ensureAllInheritedExpanded();
}
});