615 lines
20 KiB
JavaScript
615 lines
20 KiB
JavaScript
var resizePackagesNav;
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var classesNav;
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var devdocNav;
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var sidenav;
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var content;
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var HEADER_HEIGHT = 117;
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var cookie_namespace = 'android_developer';
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var NAV_PREF_TREE = "tree";
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var NAV_PREF_PANELS = "panels";
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var nav_pref;
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var toRoot;
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var isMobile = false; // true if mobile, so we can adjust some layout
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var isIE6 = false; // true if IE6
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// TODO: use $(document).ready instead
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function addLoadEvent(newfun) {
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var current = window.onload;
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if (typeof window.onload != 'function') {
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window.onload = newfun;
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} else {
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window.onload = function() {
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current();
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newfun();
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}
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}
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}
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var agent = navigator['userAgent'].toLowerCase();
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// If a mobile phone, set flag and do mobile setup
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if ((agent.indexOf("mobile") != -1) || // android, iphone, ipod
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(agent.indexOf("blackberry") != -1) ||
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(agent.indexOf("webos") != -1) ||
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(agent.indexOf("mini") != -1)) { // opera mini browsers
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isMobile = true;
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addLoadEvent(mobileSetup);
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// If not a mobile browser, set the onresize event for IE6, and others
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} else if (agent.indexOf("msie 6") != -1) {
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isIE6 = true;
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addLoadEvent(function() {
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window.onresize = resizeAll;
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});
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} else {
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addLoadEvent(function() {
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window.onresize = resizeHeight;
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});
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}
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function mobileSetup() {
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$("body").css({'overflow':'auto'});
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$("html").css({'overflow':'auto'});
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$("#body-content").css({'position':'relative', 'top':'0'});
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$("#doc-content").css({'overflow':'visible', 'border-left':'3px solid #DDD'});
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$("#side-nav").css({'padding':'0'});
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$("#nav-tree").css({'overflow-y': 'auto'});
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}
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/* loads the lists.js file to the page.
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Loading this in the head was slowing page load time */
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addLoadEvent( function() {
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var lists = document.createElement("script");
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lists.setAttribute("type","text/javascript");
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lists.setAttribute("src", toRoot+"reference/lists.js");
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document.getElementsByTagName("head")[0].appendChild(lists);
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} );
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addLoadEvent( function() {
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$("pre:not(.no-pretty-print)").addClass("prettyprint");
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prettyPrint();
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} );
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function setToRoot(root) {
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toRoot = root;
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// note: toRoot also used by carousel.js
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}
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function restoreWidth(navWidth) {
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var windowWidth = $(window).width() + "px";
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content.css({marginLeft:parseInt(navWidth) + 6 + "px"}); //account for 6px-wide handle-bar
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if (isIE6) {
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content.css({width:parseInt(windowWidth) - parseInt(navWidth) - 6 + "px"}); // necessary in order for scrollbars to be visible
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}
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sidenav.css({width:navWidth});
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resizePackagesNav.css({width:navWidth});
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classesNav.css({width:navWidth});
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$("#packages-nav").css({width:navWidth});
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}
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function restoreHeight(packageHeight) {
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var windowHeight = ($(window).height() - HEADER_HEIGHT);
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var swapperHeight = windowHeight - 13;
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$("#swapper").css({height:swapperHeight + "px"});
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sidenav.css({height:windowHeight + "px"});
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content.css({height:windowHeight + "px"});
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resizePackagesNav.css({maxHeight:swapperHeight + "px", height:packageHeight});
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classesNav.css({height:swapperHeight - parseInt(packageHeight) + "px"});
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$("#packages-nav").css({height:parseInt(packageHeight) - 6 + "px"}); //move 6px to give space for the resize handle
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devdocNav.css({height:sidenav.css("height")});
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$("#nav-tree").css({height:swapperHeight + "px"});
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}
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function readCookie(cookie) {
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var myCookie = cookie_namespace+"_"+cookie+"=";
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if (document.cookie) {
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var index = document.cookie.indexOf(myCookie);
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if (index != -1) {
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var valStart = index + myCookie.length;
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var valEnd = document.cookie.indexOf(";", valStart);
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if (valEnd == -1) {
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valEnd = document.cookie.length;
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}
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var val = document.cookie.substring(valStart, valEnd);
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return val;
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}
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}
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return 0;
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}
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function writeCookie(cookie, val, section, expiration) {
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if (val==undefined) return;
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section = section == null ? "_" : "_"+section+"_";
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if (expiration == null) {
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var date = new Date();
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date.setTime(date.getTime()+(10*365*24*60*60*1000)); // default expiration is one week
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expiration = date.toGMTString();
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}
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document.cookie = cookie_namespace + section + cookie + "=" + val + "; expires=" + expiration+"; path=/";
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}
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function init() {
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$("#side-nav").css({position:"absolute",left:0});
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content = $("#doc-content");
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resizePackagesNav = $("#resize-packages-nav");
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classesNav = $("#classes-nav");
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sidenav = $("#side-nav");
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devdocNav = $("#devdoc-nav");
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var cookiePath = "";
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if (location.href.indexOf("/reference/") != -1) {
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cookiePath = "reference_";
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} else if (location.href.indexOf("/guide/") != -1) {
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cookiePath = "guide_";
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} else if (location.href.indexOf("/sdk/") != -1) {
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cookiePath = "sdk_";
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} else if ((location.href.indexOf("/resources/") != -1) ||
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(location.href.indexOf("/training/") != -1)) {
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cookiePath = "resources_";
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}
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if (!isMobile) {
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$("#resize-packages-nav").resizable({handles: "s", resize: function(e, ui) { resizePackagesHeight(); } });
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$("#side-nav").resizable({handles: "e", resize: function(e, ui) { resizeWidth(); } });
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var cookieWidth = readCookie(cookiePath+'width');
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var cookieHeight = readCookie(cookiePath+'height');
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if (cookieWidth) {
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restoreWidth(cookieWidth);
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} else if ($("#side-nav").length) {
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resizeWidth();
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}
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if (cookieHeight) {
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restoreHeight(cookieHeight);
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} else {
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resizeHeight();
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}
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}
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if (devdocNav.length) { // only dev guide, resources, and sdk
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tryPopulateResourcesNav();
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highlightNav(location.href);
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}
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}
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function tryPopulateResourcesNav() {
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var sampleList = $('#devdoc-nav-sample-list');
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var articleList = $('#devdoc-nav-article-list');
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var tutorialList = $('#devdoc-nav-tutorial-list');
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var topicList = $('#devdoc-nav-topic-list');
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if (!topicList.length || !ANDROID_TAGS || !ANDROID_RESOURCES)
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return;
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var topics = [];
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for (var topic in ANDROID_TAGS['topic']) {
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topics.push({name:topic,title:ANDROID_TAGS['topic'][topic]});
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}
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topics.sort(function(x,y){ return (x.title < y.title) ? -1 : 1; });
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for (var i = 0; i < topics.length; i++) {
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topicList.append(
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$('<li>').append(
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$('<a>')
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.attr('href', toRoot + "resources/browser.html?tag=" + topics[i].name)
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.append($('<span>')
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.addClass('en')
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.html(topics[i].title)
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)
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)
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);
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}
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var _renderResourceList = function(tag, listNode) {
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var resources = [];
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var tags;
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var resource;
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var i, j;
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for (i = 0; i < ANDROID_RESOURCES.length; i++) {
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resource = ANDROID_RESOURCES[i];
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tags = resource.tags || [];
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var hasTag = false;
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for (j = 0; j < tags.length; j++)
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if (tags[j] == tag) {
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hasTag = true;
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break;
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}
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if (!hasTag)
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continue;
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resources.push(resource);
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}
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//resources.sort(function(x,y){ return (x.title.en < y.title.en) ? -1 : 1; });
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for (i = 0; i < resources.length; i++) {
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resource = resources[i];
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var listItemNode = $('<li>').append(
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$('<a>')
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.attr('href', toRoot + "resources/" + resource.path)
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.append($('<span>')
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.addClass('en')
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.html(resource.title.en)
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)
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);
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tags = resource.tags || [];
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for (j = 0; j < tags.length; j++) {
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if (tags[j] == 'new') {
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listItemNode.get(0).innerHTML += ' <span class="new">new!</span>';
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break;
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} else if (tags[j] == 'updated') {
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listItemNode.get(0).innerHTML += ' <span class="new">updated!</span>';
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break;
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}
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}
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listNode.append(listItemNode);
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}
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};
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_renderResourceList('sample', sampleList);
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_renderResourceList('article', articleList);
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_renderResourceList('tutorial', tutorialList);
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}
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function highlightNav(fullPageName) {
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var lastSlashPos = fullPageName.lastIndexOf("/");
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var firstSlashPos;
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if (fullPageName.indexOf("/guide/") != -1) {
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firstSlashPos = fullPageName.indexOf("/guide/");
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} else if (fullPageName.indexOf("/sdk/") != -1) {
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firstSlashPos = fullPageName.indexOf("/sdk/");
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} else if (fullPageName.indexOf("/resources/") != -1) {
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firstSlashPos = fullPageName.indexOf("/resources/");
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} else if (fullPageName.indexOf("/training/") != -1) {
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firstSlashPos = fullPageName.indexOf("/training/");
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}
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if (lastSlashPos == (fullPageName.length - 1)) { // if the url ends in slash (add 'index.html')
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fullPageName = fullPageName + "index.html";
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}
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// get the path and page name from the URL (such as 'guide/topics/graphics/index.html')
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var htmlPos = fullPageName.indexOf(".html");
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var pathPageName = fullPageName.slice(firstSlashPos, htmlPos + 5); // +5 advances past ".html"
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// find instances of the page name in the side nav
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var link = $("#devdoc-nav a[href$='"+ pathPageName+"']");
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// if there's no match, then let's backstep through the directory until we find an index.html
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// page that matches our ancestor directories (only for dev guide and resources)
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if ((link.length == 0) && ((fullPageName.indexOf("/guide/") != -1) ||
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(fullPageName.indexOf("/resources/") != -1))) {
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lastBackstep = pathPageName.lastIndexOf("/");
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while (link.length == 0) {
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backstepDirectory = pathPageName.lastIndexOf("/", lastBackstep);
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link = $("#devdoc-nav a[href$='"+ pathPageName.slice(0, backstepDirectory +
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1)+"index.html']");
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lastBackstep = pathPageName.lastIndexOf("/", lastBackstep - 1);
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if (lastBackstep == 0) break;
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}
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}
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// add 'selected' to the <li> or <div> that wraps this <a>
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link.parent().addClass('selected');
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// if we're in a toggleable root link (<li class=toggle-list><div><a>)
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if (link.parent().parent().hasClass('toggle-list')) {
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toggle(link.parent().parent(), false); // open our own list
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// then also check if we're in a third-level nested list that's toggleable
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if (link.parent().parent().parent().is(':hidden')) {
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toggle(link.parent().parent().parent().parent(), false); // open the super parent list
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}
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}
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// if we're in a normal nav link (<li><a>) and the parent <ul> is hidden
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else if (link.parent().parent().is(':hidden')) {
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toggle(link.parent().parent().parent(), false); // open the parent list
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// then also check if the parent list is also nested in a hidden list
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if (link.parent().parent().parent().parent().is(':hidden')) {
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toggle(link.parent().parent().parent().parent().parent(), false); // open the super parent list
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}
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}
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}
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/* Resize the height of the nav panels in the reference,
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* and save the new size to a cookie */
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function resizePackagesHeight() {
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var windowHeight = ($(window).height() - HEADER_HEIGHT);
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var swapperHeight = windowHeight - 13; // move 13px for swapper link at the bottom
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resizePackagesNav.css({maxHeight:swapperHeight + "px"});
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classesNav.css({height:swapperHeight - parseInt(resizePackagesNav.css("height")) + "px"});
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$("#swapper").css({height:swapperHeight + "px"});
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$("#packages-nav").css({height:parseInt(resizePackagesNav.css("height")) - 6 + "px"}); //move 6px for handle
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var basePath = getBaseUri(location.pathname);
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var section = basePath.substring(1,basePath.indexOf("/",1));
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writeCookie("height", resizePackagesNav.css("height"), section, null);
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}
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/* Resize the height of the side-nav and doc-content divs,
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* which creates the frame effect */
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function resizeHeight() {
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var docContent = $("#doc-content");
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// Get the window height and always resize the doc-content and side-nav divs
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var windowHeight = ($(window).height() - HEADER_HEIGHT);
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docContent.css({height:windowHeight + "px"});
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$("#side-nav").css({height:windowHeight + "px"});
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var href = location.href;
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// If in the reference docs, also resize the "swapper", "classes-nav", and "nav-tree" divs
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if (href.indexOf("/reference/") != -1) {
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var swapperHeight = windowHeight - 13;
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$("#swapper").css({height:swapperHeight + "px"});
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$("#classes-nav").css({height:swapperHeight - parseInt(resizePackagesNav.css("height")) + "px"});
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$("#nav-tree").css({height:swapperHeight + "px"});
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// Also resize the "devdoc-nav" div
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} else if ($("#devdoc-nav").length) {
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$("#devdoc-nav").css({height:sidenav.css("height")});
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}
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// Hide the "Go to top" link if there's no vertical scroll
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if ( parseInt($("#jd-content").css("height")) <= parseInt(docContent.css("height")) ) {
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$("a[href='#top']").css({'display':'none'});
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} else {
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$("a[href='#top']").css({'display':'inline'});
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}
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}
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/* Resize the width of the "side-nav" and the left margin of the "doc-content" div,
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* which creates the resizable side bar */
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function resizeWidth() {
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var windowWidth = $(window).width() + "px";
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var sidenav = $("#side-nav");
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if (sidenav.length) {
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var sidenavWidth = sidenav.css("width");
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} else {
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var sidenavWidth = 0;
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}
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content.css({marginLeft:parseInt(sidenavWidth) + 6 + "px"}); //account for 6px-wide handle-bar
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if (isIE6) {
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content.css({width:parseInt(windowWidth) - parseInt(sidenavWidth) - 6 + "px"}); // necessary in order to for scrollbars to be visible
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}
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resizePackagesNav.css({width:sidenavWidth});
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classesNav.css({width:sidenavWidth});
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$("#packages-nav").css({width:sidenavWidth});
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if (sidenav.length) { // Must check if the nav exists because IE6 calls resizeWidth() from resizeAll() for all pages
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var basePath = getBaseUri(location.pathname);
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var section = basePath.substring(1,basePath.indexOf("/",1));
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section = section.indexOf("training") != -1 ? "resources" : section;
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writeCookie("width", sidenavWidth, section, null);
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}
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}
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/* For IE6 only,
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* because it can't properly perform auto width for "doc-content" div,
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* avoiding this for all browsers provides better performance */
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function resizeAll() {
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resizeHeight();
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resizeWidth();
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}
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function getBaseUri(uri) {
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var intlUrl = (uri.substring(0,6) == "/intl/");
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if (intlUrl) {
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base = uri.substring(uri.indexOf('intl/')+5,uri.length);
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base = base.substring(base.indexOf('/')+1, base.length);
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//alert("intl, returning base url: /" + base);
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return ("/" + base);
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} else {
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//alert("not intl, returning uri as found.");
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return uri;
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}
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}
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function requestAppendHL(uri) {
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//append "?hl=<lang> to an outgoing request (such as to blog)
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var lang = getLangPref();
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if (lang) {
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var q = 'hl=' + lang;
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uri += '?' + q;
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window.location = uri;
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return false;
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} else {
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return true;
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}
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}
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function loadLast(cookiePath) {
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var location = window.location.href;
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if (location.indexOf("/"+cookiePath+"/") != -1) {
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return true;
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}
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var lastPage = readCookie(cookiePath + "_lastpage");
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if (lastPage) {
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window.location = lastPage;
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return false;
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}
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return true;
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}
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$(window).unload(function(){
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var path = getBaseUri(location.pathname);
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if (path.indexOf("/reference/") != -1) {
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writeCookie("lastpage", path, "reference", null);
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} else if (path.indexOf("/guide/") != -1) {
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writeCookie("lastpage", path, "guide", null);
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} else if ((path.indexOf("/resources/") != -1) || (path.indexOf("/training/") != -1)) {
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writeCookie("lastpage", path, "resources", null);
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}
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});
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function toggle(obj, slide) {
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var ul = $("ul:first", obj);
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var li = ul.parent();
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if (li.hasClass("closed")) {
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if (slide) {
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ul.slideDown("fast");
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} else {
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ul.show();
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}
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li.removeClass("closed");
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li.addClass("open");
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$(".toggle-img", li).attr("title", "hide pages");
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} else {
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ul.slideUp("fast");
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li.removeClass("open");
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li.addClass("closed");
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$(".toggle-img", li).attr("title", "show pages");
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}
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}
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function buildToggleLists() {
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$(".toggle-list").each(
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function(i) {
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$("div:first", this).append("<a class='toggle-img' href='#' title='show pages' onClick='toggle(this.parentNode.parentNode, true); return false;'></a>");
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$(this).addClass("closed");
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});
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}
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function getNavPref() {
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var v = readCookie('reference_nav');
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if (v != NAV_PREF_TREE) {
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v = NAV_PREF_PANELS;
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}
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return v;
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}
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function chooseDefaultNav() {
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nav_pref = getNavPref();
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if (nav_pref == NAV_PREF_TREE) {
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$("#nav-panels").toggle();
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$("#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();
|
|
$("#tree-link").toggle();
|
|
|
|
if ($("#nav-tree").is(':visible')) scrollIntoView("nav-tree");
|
|
else {
|
|
scrollIntoView("packages-nav");
|
|
scrollIntoView("classes-nav");
|
|
}
|
|
}
|
|
|
|
function scrollIntoView(nav) {
|
|
var navObj = $("#"+nav);
|
|
if (navObj.is(':visible')) {
|
|
var selected = $(".selected", navObj);
|
|
if (selected.length == 0) return;
|
|
if (selected.is("div")) selected = selected.parent(); // when the selected item is a parent
|
|
|
|
var scrolling = document.getElementById(nav);
|
|
var navHeight = navObj.height();
|
|
var offsetTop = selected.position().top;
|
|
|
|
// handle nested items
|
|
if (selected.parent().parent().is(".toggle-list")) {
|
|
selected = selected.parent().parent();
|
|
// handle second level nested items
|
|
if (selected.parent().parent().is(".toggle-list")) {
|
|
selected = selected.parent().parent();
|
|
}
|
|
offsetTop += selected.position().top;
|
|
}
|
|
|
|
// 180px from the bottom of the list is the threshold
|
|
if(offsetTop > navHeight - 180) {
|
|
scrolling.scrollTop = offsetTop - navHeight + 180;
|
|
}
|
|
}
|
|
}
|
|
|
|
function changeTabLang(lang) {
|
|
var nodes = $("#header-tabs").find("."+lang);
|
|
for (i=0; i < nodes.length; i++) { // for each node in this language
|
|
var node = $(nodes[i]);
|
|
node.siblings().css("display","none"); // hide all siblings
|
|
if (node.not(":empty").length != 0) { //if this languages node has a translation, show it
|
|
node.css("display","inline");
|
|
} else { //otherwise, show English instead
|
|
node.css("display","none");
|
|
node.siblings().filter(".en").css("display","inline");
|
|
}
|
|
}
|
|
}
|
|
|
|
function changeNavLang(lang) {
|
|
var nodes = $("#side-nav").find("."+lang);
|
|
for (i=0; i < nodes.length; i++) { // for each node in this language
|
|
var node = $(nodes[i]);
|
|
node.siblings().css("display","none"); // hide all siblings
|
|
if (node.not(":empty").length != 0) { // if this languages node has a translation, show it
|
|
node.css("display","inline");
|
|
} else { // otherwise, show English instead
|
|
node.css("display","none");
|
|
node.siblings().filter(".en").css("display","inline");
|
|
}
|
|
}
|
|
}
|
|
|
|
function changeDocLang(lang) {
|
|
changeTabLang(lang);
|
|
changeNavLang(lang);
|
|
}
|
|
|
|
function changeLangPref(lang, refresh) {
|
|
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);
|
|
//changeDocLang(lang);
|
|
if (refresh) {
|
|
l = getBaseUri(location.pathname);
|
|
window.location = l;
|
|
}
|
|
}
|
|
|
|
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';
|
|
}
|
|
|
|
|
|
/* 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;
|
|
}
|