docs.js revision c942e8799e5a4c67f4b13cb10c4475d4160c219a
1var classesNav;
2var devdocNav;
3var sidenav;
4var cookie_namespace = 'android_developer';
5var NAV_PREF_TREE = "tree";
6var NAV_PREF_PANELS = "panels";
7var nav_pref;
8var isMobile = false; // true if mobile, so we can adjust some layout
9
10var basePath = getBaseUri(location.pathname);
11var SITE_ROOT = toRoot + basePath.substring(1,basePath.indexOf("/",1));
12var GOOGLE_DATA; // combined data for google service apis, used for search suggest
13
14
15/******  ON LOAD SET UP STUFF *********/
16
17var navBarIsFixed = false;
18$(document).ready(function() {
19
20  // load json file for Android API search suggestions
21  $.getScript(toRoot + 'reference/lists.js');
22  // load json files for Google services API suggestions
23  $.getScript(toRoot + 'reference/gcm_lists.js', function(data, textStatus, jqxhr) {
24      // once the GCM json (GCM_DATA) is loaded, load the GMS json (GMS_DATA) and merge the data
25      if(jqxhr.status === 200) {
26          $.getScript(toRoot + 'reference/gms_lists.js', function(data, textStatus, jqxhr) {
27              if(jqxhr.status === 200) {
28                  // combine GCM and GMS data
29                  GOOGLE_DATA = GMS_DATA;
30                  var start = GOOGLE_DATA.length;
31                  for (var i=0; i<GCM_DATA.length; i++) {
32                      GOOGLE_DATA.push({id:start+i, label:GCM_DATA[i].label,
33                              link:GCM_DATA[i].link, type:GCM_DATA[i].type});
34                  }
35              }
36          });
37      }
38  });
39
40  // layout hosted on devsite is special
41  if (devsite) {
42    // move the lang selector into the overflow menu
43    $("#moremenu .mid div.header:last").after($("#language").detach());
44  }
45
46  // init the fullscreen toggle click event
47  $('#nav-swap .fullscreen').click(function(){
48    if ($(this).hasClass('disabled')) {
49      toggleFullscreen(true);
50    } else {
51      toggleFullscreen(false);
52    }
53  });
54
55  // initialize the divs with custom scrollbars
56  $('.scroll-pane').jScrollPane( {verticalGutter:0} );
57
58  // add HRs below all H2s (except for a few other h2 variants)
59  $('h2').not('#qv h2').not('#tb h2').not('.sidebox h2').not('#devdoc-nav h2').not('h2.norule').css({marginBottom:0}).after('<hr/>');
60
61  // set search's onkeyup handler here so we can show suggestions
62  // even while search results are visible
63  $("#search_autocomplete").keyup(function() {return search_changed(event, false, toRoot)});
64
65  // set up the search close button
66  $('.search .close').click(function() {
67    $searchInput = $('#search_autocomplete');
68    $searchInput.attr('value', '');
69    $(this).addClass("hide");
70    $("#search-container").removeClass('active');
71    $("#search_autocomplete").blur();
72    search_focus_changed($searchInput.get(), false);  // see search_autocomplete.js
73    hideResults();  // see search_autocomplete.js
74  });
75  $('.search').click(function() {
76    if (!$('#search_autocomplete').is(":focus")) {
77        $('#search_autocomplete').focus();
78    }
79  });
80
81  // Set up quicknav
82  var quicknav_open = false;
83  $("#btn-quicknav").click(function() {
84    if (quicknav_open) {
85      $(this).removeClass('active');
86      quicknav_open = false;
87      collapse();
88    } else {
89      $(this).addClass('active');
90      quicknav_open = true;
91      expand();
92    }
93  })
94
95  var expand = function() {
96   $('#header-wrap').addClass('quicknav');
97   $('#quicknav').stop().show().animate({opacity:'1'});
98  }
99
100  var collapse = function() {
101    $('#quicknav').stop().animate({opacity:'0'}, 100, function() {
102      $(this).hide();
103      $('#header-wrap').removeClass('quicknav');
104    });
105  }
106
107
108  //Set up search
109  $("#search_autocomplete").focus(function() {
110    $("#search-container").addClass('active');
111  })
112  $("#search-container").mouseover(function() {
113    $("#search-container").addClass('active');
114    $("#search_autocomplete").focus();
115  })
116  $("#search-container").mouseout(function() {
117    if ($("#search_autocomplete").is(":focus")) return;
118    if ($("#search_autocomplete").val() == '') {
119      setTimeout(function(){
120        $("#search-container").removeClass('active');
121        $("#search_autocomplete").blur();
122      },250);
123    }
124  })
125  $("#search_autocomplete").blur(function() {
126    if ($("#search_autocomplete").val() == '') {
127      $("#search-container").removeClass('active');
128    }
129  })
130
131
132  // prep nav expandos
133  var pagePath = document.location.pathname;
134  // account for intl docs by removing the intl/*/ path
135  if (pagePath.indexOf("/intl/") == 0) {
136    pagePath = pagePath.substr(pagePath.indexOf("/",6)); // start after intl/ to get last /
137  }
138
139  if (pagePath.indexOf(SITE_ROOT) == 0) {
140    if (pagePath == '' || pagePath.charAt(pagePath.length - 1) == '/') {
141      pagePath += 'index.html';
142    }
143  }
144
145  if (SITE_ROOT.match(/\.\.\//) || SITE_ROOT == '') {
146    // If running locally, SITE_ROOT will be a relative path, so account for that by
147    // finding the relative URL to this page. This will allow us to find links on the page
148    // leading back to this page.
149    var pathParts = pagePath.split('/');
150    var relativePagePathParts = [];
151    var upDirs = (SITE_ROOT.match(/(\.\.\/)+/) || [''])[0].length / 3;
152    for (var i = 0; i < upDirs; i++) {
153      relativePagePathParts.push('..');
154    }
155    for (var i = 0; i < upDirs; i++) {
156      relativePagePathParts.push(pathParts[pathParts.length - (upDirs - i) - 1]);
157    }
158    relativePagePathParts.push(pathParts[pathParts.length - 1]);
159    pagePath = relativePagePathParts.join('/');
160  } else {
161    // Otherwise the page path is already an absolute URL
162  }
163
164  // Highlight the header tabs...
165  // highlight Design tab
166  if ($("body").hasClass("design")) {
167    $("#header li.design a").addClass("selected");
168
169  // highlight Develop tab
170  } else if ($("body").hasClass("develop") || $("body").hasClass("google")) {
171    $("#header li.develop a").addClass("selected");
172
173    // In Develop docs, also highlight appropriate sub-tab
174    var rootDir = pagePath.substring(1,pagePath.indexOf('/', 1));
175    if (rootDir == "training") {
176      $("#nav-x li.training a").addClass("selected");
177    } else if (rootDir == "guide") {
178      $("#nav-x li.guide a").addClass("selected");
179    } else if (rootDir == "reference") {
180      // If the root is reference, but page is also part of Google Services, select Google
181      if ($("body").hasClass("google")) {
182        $("#nav-x li.google a").addClass("selected");
183      } else {
184        $("#nav-x li.reference a").addClass("selected");
185      }
186    } else if ((rootDir == "tools") || (rootDir == "sdk")) {
187      $("#nav-x li.tools a").addClass("selected");
188    } else if ($("body").hasClass("google")) {
189      $("#nav-x li.google a").addClass("selected");
190    }
191
192  // highlight Distribute tab
193  } else if ($("body").hasClass("distribute")) {
194    $("#header li.distribute a").addClass("selected");
195  }
196
197
198  // select current page in sidenav and header, and set up prev/next links if they exist
199  var $selNavLink = $('#nav').find('a[href="' + pagePath + '"]');
200  var $selListItem;
201  if ($selNavLink.length) {
202
203    // Find this page's <li> in sidenav and set selected
204    $selListItem = $selNavLink.closest('li');
205    $selListItem.addClass('selected');
206
207    // Traverse up the tree and expand all parent nav-sections
208    $selNavLink.parents('li.nav-section').each(function() {
209      $(this).addClass('expanded');
210      $(this).children('ul').show();
211    });
212
213    // set up prev links
214    var $prevLink = [];
215    var $prevListItem = $selListItem.prev('li');
216
217    var crossBoundaries = ($("body.design").length > 0) || ($("body.guide").length > 0) ? true :
218false; // navigate across topic boundaries only in design docs
219    if ($prevListItem.length) {
220      if ($prevListItem.hasClass('nav-section')) {
221        // jump to last topic of previous section
222        $prevLink = $prevListItem.find('a:last');
223      } else if (!$selListItem.hasClass('nav-section')) {
224        // jump to previous topic in this section
225        $prevLink = $prevListItem.find('a:eq(0)');
226      }
227    } else {
228      // jump to this section's index page (if it exists)
229      var $parentListItem = $selListItem.parents('li');
230      $prevLink = $selListItem.parents('li').find('a');
231
232      // except if cross boundaries aren't allowed, and we're at the top of a section already
233      // (and there's another parent)
234      if (!crossBoundaries && $parentListItem.hasClass('nav-section')
235                           && $selListItem.hasClass('nav-section')) {
236        $prevLink = [];
237      }
238    }
239
240    // set up next links
241    var $nextLink = [];
242    var startClass = false;
243    var training = $(".next-class-link").length; // decides whether to provide "next class" link
244    var isCrossingBoundary = false;
245
246    if ($selListItem.hasClass('nav-section')) {
247      // we're on an index page, jump to the first topic
248      $nextLink = $selListItem.find('ul:eq(0)').find('a:eq(0)');
249
250      // if there aren't any children, go to the next section (required for About pages)
251      if($nextLink.length == 0) {
252        $nextLink = $selListItem.next('li').find('a');
253      } else if ($('.topic-start-link').length) {
254        // as long as there's a child link and there is a "topic start link" (we're on a landing)
255        // then set the landing page "start link" text to be the first doc title
256        $('.topic-start-link').text($nextLink.text().toUpperCase());
257      }
258
259      // If the selected page has a description, then it's a class or article homepage
260      if ($selListItem.find('a[description]').length) {
261        // this means we're on a class landing page
262        startClass = true;
263      }
264    } else {
265      // jump to the next topic in this section (if it exists)
266      $nextLink = $selListItem.next('li').find('a:eq(0)');
267      if (!$nextLink.length) {
268        isCrossingBoundary = true;
269        // no more topics in this section, jump to the first topic in the next section
270        $nextLink = $selListItem.parents('li:eq(0)').next('li.nav-section').find('a:eq(0)');
271        if (!$nextLink.length) {  // Go up another layer to look for next page (lesson > class > course)
272          $nextLink = $selListItem.parents('li:eq(1)').next('li.nav-section').find('a:eq(0)');
273        }
274      }
275    }
276
277    if (startClass) {
278      $('.start-class-link').attr('href', $nextLink.attr('href')).removeClass("hide");
279
280      // if there's no training bar (below the start button),
281      // then we need to add a bottom border to button
282      if (!$("#tb").length) {
283        $('.start-class-link').css({'border-bottom':'1px solid #DADADA'});
284      }
285    } else if (isCrossingBoundary && !$('body.design').length) {  // Design always crosses boundaries
286      $('.content-footer.next-class').show();
287      $('.next-page-link').attr('href','')
288                          .removeClass("hide").addClass("disabled")
289                          .click(function() { return false; });
290
291      $('.next-class-link').attr('href',$nextLink.attr('href'))
292                          .removeClass("hide").append($nextLink.html());
293      $('.next-class-link').find('.new').empty();
294    } else {
295      $('.next-page-link').attr('href', $nextLink.attr('href')).removeClass("hide");
296    }
297
298    if (!startClass && $prevLink.length) {
299      var prevHref = $prevLink.attr('href');
300      if (prevHref == SITE_ROOT + 'index.html') {
301        // Don't show Previous when it leads to the homepage
302      } else {
303        $('.prev-page-link').attr('href', $prevLink.attr('href')).removeClass("hide");
304      }
305    }
306
307    // If this is a training 'article', there should be no prev/next nav
308    // ... if the grandparent is the "nav" ... and it has no child list items...
309    if (training && $selListItem.parents('ul').eq(1).is('[id="nav"]') &&
310        !$selListItem.find('li').length) {
311      $('.next-page-link,.prev-page-link').attr('href','').addClass("disabled")
312                          .click(function() { return false; });
313    }
314
315  }
316//If auto-toc div is present, generate the automated TOC
317if ($("#auto-toc").is('*')) {
318  var previous = $(this); //needs to be not null first time through loop
319  var toc = "";
320  $("#jd-content").find("h2, h3").not(':first-child').each(function(i) { // have to skip the first h2, which is "In this Document" with not:first-child
321      var current = $(this);
322      if(current.is("h3") && previous.is("h2")){ //need nested ols for h3s
323        toc+="<ol>";
324      }
325      else if(current.is("h2") && previous.is("h3")){ //close up the nested ol
326        toc+="</ol>";
327      }
328        toc+="<li><a href='#" + current[0].id + "'>" +
329          current.html() + "</a></li>";
330
331      previous = current;  //keep track of previous element next time through loop
332  });
333  $("#auto-toc").append(toc);  //append to the div
334}
335
336  // Set up the course landing pages for Training with class names and descriptions
337  if ($('body.trainingcourse').length) {
338    var $classLinks = $selListItem.find('ul li a').not('#nav .nav-section .nav-section ul a');
339    var $classDescriptions = $classLinks.attr('description');
340
341    var $olClasses  = $('<ol class="class-list"></ol>');
342    var $liClass;
343    var $imgIcon;
344    var $h2Title;
345    var $pSummary;
346    var $olLessons;
347    var $liLesson;
348    $classLinks.each(function(index) {
349      $liClass  = $('<li></li>');
350      $h2Title  = $('<a class="title" href="'+$(this).attr('href')+'"><h2>' + $(this).html()+'</h2><span></span></a>');
351      $pSummary = $('<p class="description">' + $(this).attr('description') + '</p>');
352
353      $olLessons  = $('<ol class="lesson-list"></ol>');
354
355      $lessons = $(this).closest('li').find('ul li a');
356
357      if ($lessons.length) {
358        $imgIcon = $('<img src="'+toRoot+'assets/images/resource-tutorial.png" alt=""/>');
359        $lessons.each(function(index) {
360          $olLessons.append('<li><a href="'+$(this).attr('href')+'">' + $(this).html()+'</a></li>');
361        });
362      } else {
363        $imgIcon = $('<img src="'+toRoot+'assets/images/resource-article.png" alt=""/>');
364        $pSummary.addClass('article');
365      }
366
367      $liClass.append($h2Title).append($imgIcon).append($pSummary).append($olLessons);
368      $olClasses.append($liClass);
369    });
370    $('.jd-descr').append($olClasses);
371  }
372
373
374
375
376  // Set up expand/collapse behavior
377  $('#nav li.nav-section .nav-section-header').click(function() {
378    var section = $(this).closest('li.nav-section');
379    if (section.hasClass('expanded')) {
380    /* hide me */
381    //  if (section.hasClass('selected') || section.find('li').hasClass('selected')) {
382   //   /* but not if myself or my descendents are selected */
383   //     return;
384    //  }
385      section.children('ul').slideUp(250, function() {
386        section.closest('li').removeClass('expanded');
387        resizeNav();
388      });
389    } else {
390    /* show me */
391      // first hide all other siblings
392      var $others = $('li.nav-section.expanded', $(this).closest('ul'));
393      $others.removeClass('expanded').children('ul').slideUp(250);
394
395      // now expand me
396      section.closest('li').addClass('expanded');
397      section.children('ul').slideDown(250, function() {
398        resizeNav();
399      });
400    }
401  });
402
403  $(".scroll-pane").scroll(function(event) {
404      event.preventDefault();
405      return false;
406  });
407
408  /* Resize nav height when window height changes */
409  $(window).resize(function() {
410    if ($('#side-nav').length == 0) return;
411    var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
412    setNavBarLeftPos(); // do this even if sidenav isn't fixed because it could become fixed
413    // make sidenav behave when resizing the window and side-scolling is a concern
414    if (navBarIsFixed) {
415      if ((stylesheet.attr("disabled") == "disabled") || stylesheet.length == 0) {
416        updateSideNavPosition();
417      } else {
418        updateSidenavFullscreenWidth();
419      }
420    }
421    resizeNav();
422  });
423
424
425  // Set up fixed navbar
426  var prevScrollLeft = 0; // used to compare current position to previous position of horiz scroll
427  $(window).scroll(function(event) {
428    if ($('#side-nav').length == 0) return;
429    if (event.target.nodeName == "DIV") {
430      // Dump scroll event if the target is a DIV, because that means the event is coming
431      // from a scrollable div and so there's no need to make adjustments to our layout
432      return;
433    }
434    var scrollTop = $(window).scrollTop();
435    var headerHeight = $('#header').outerHeight();
436    var subheaderHeight = $('#nav-x').outerHeight();
437    var searchResultHeight = $('#searchResults').is(":visible") ?
438                             $('#searchResults').outerHeight() : 0;
439    var totalHeaderHeight = headerHeight + subheaderHeight + searchResultHeight;
440    // we set the navbar fixed when the scroll position is beyond the height of the site header...
441    var navBarShouldBeFixed = scrollTop > totalHeaderHeight;
442    // ... except if the document content is shorter than the sidenav height.
443    // (this is necessary to avoid crazy behavior on OSX Lion due to overscroll bouncing)
444    if ($("#doc-col").height() < $("#side-nav").height()) {
445      navBarShouldBeFixed = false;
446    }
447
448    var scrollLeft = $(window).scrollLeft();
449    // When the sidenav is fixed and user scrolls horizontally, reposition the sidenav to match
450    if (navBarIsFixed && (scrollLeft != prevScrollLeft)) {
451      updateSideNavPosition();
452      prevScrollLeft = scrollLeft;
453    }
454
455    // Don't continue if the header is sufficently far away
456    // (to avoid intensive resizing that slows scrolling)
457    if (navBarIsFixed && navBarShouldBeFixed) {
458      return;
459    }
460
461    if (navBarIsFixed != navBarShouldBeFixed) {
462      if (navBarShouldBeFixed) {
463        // make it fixed
464        var width = $('#devdoc-nav').width();
465        $('#devdoc-nav')
466            .addClass('fixed')
467            .css({'width':width+'px'})
468            .prependTo('#body-content');
469        // add neato "back to top" button
470        $('#devdoc-nav a.totop').css({'display':'block','width':$("#nav").innerWidth()+'px'});
471
472        // update the sidenaav position for side scrolling
473        updateSideNavPosition();
474      } else {
475        // make it static again
476        $('#devdoc-nav')
477            .removeClass('fixed')
478            .css({'width':'auto','margin':''})
479            .prependTo('#side-nav');
480        $('#devdoc-nav a.totop').hide();
481      }
482      navBarIsFixed = navBarShouldBeFixed;
483    }
484
485    resizeNav(250); // pass true in order to delay the scrollbar re-initialization for performance
486  });
487
488
489  var navBarLeftPos;
490  if ($('#devdoc-nav').length) {
491    setNavBarLeftPos();
492  }
493
494
495  // Stop expand/collapse behavior when clicking on nav section links (since we're navigating away
496  // from the page)
497  $('.nav-section-header').find('a:eq(0)').click(function(evt) {
498    window.location.href = $(this).attr('href');
499    return false;
500  });
501
502  // Set up play-on-hover <video> tags.
503  $('video.play-on-hover').bind('click', function(){
504    $(this).get(0).load(); // in case the video isn't seekable
505    $(this).get(0).play();
506  });
507
508  // Set up tooltips
509  var TOOLTIP_MARGIN = 10;
510  $('acronym,.tooltip-link').each(function() {
511    var $target = $(this);
512    var $tooltip = $('<div>')
513        .addClass('tooltip-box')
514        .append($target.attr('title'))
515        .hide()
516        .appendTo('body');
517    $target.removeAttr('title');
518
519    $target.hover(function() {
520      // in
521      var targetRect = $target.offset();
522      targetRect.width = $target.width();
523      targetRect.height = $target.height();
524
525      $tooltip.css({
526        left: targetRect.left,
527        top: targetRect.top + targetRect.height + TOOLTIP_MARGIN
528      });
529      $tooltip.addClass('below');
530      $tooltip.show();
531    }, function() {
532      // out
533      $tooltip.hide();
534    });
535  });
536
537  // Set up <h2> deeplinks
538  $('h2').click(function() {
539    var id = $(this).attr('id');
540    if (id) {
541      document.location.hash = id;
542    }
543  });
544
545  //Loads the +1 button
546  var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
547  po.src = 'https://apis.google.com/js/plusone.js';
548  var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
549
550
551  // Revise the sidenav widths to make room for the scrollbar
552  // which avoids the visible width from changing each time the bar appears
553  var $sidenav = $("#side-nav");
554  var sidenav_width = parseInt($sidenav.innerWidth());
555
556  $("#devdoc-nav  #nav").css("width", sidenav_width - 4 + "px"); // 4px is scrollbar width
557
558
559  $(".scroll-pane").removeAttr("tabindex"); // get rid of tabindex added by jscroller
560
561  if ($(".scroll-pane").length > 1) {
562    // Check if there's a user preference for the panel heights
563    var cookieHeight = readCookie("reference_height");
564    if (cookieHeight) {
565      restoreHeight(cookieHeight);
566    }
567  }
568
569  resizeNav();
570
571  /* init the language selector based on user cookie for lang */
572  loadLangPref();
573  changeNavLang(getLangPref());
574
575  /* setup event handlers to ensure the overflow menu is visible while picking lang */
576  $("#language select")
577      .mousedown(function() {
578        $("div.morehover").addClass("hover"); })
579      .blur(function() {
580        $("div.morehover").removeClass("hover"); });
581
582  /* some global variable setup */
583  resizePackagesNav = $("#resize-packages-nav");
584  classesNav = $("#classes-nav");
585  devdocNav = $("#devdoc-nav");
586
587  var cookiePath = "";
588  if (location.href.indexOf("/reference/") != -1) {
589    cookiePath = "reference_";
590  } else if (location.href.indexOf("/guide/") != -1) {
591    cookiePath = "guide_";
592  } else if (location.href.indexOf("/tools/") != -1) {
593    cookiePath = "tools_";
594  } else if (location.href.indexOf("/training/") != -1) {
595    cookiePath = "training_";
596  } else if (location.href.indexOf("/design/") != -1) {
597    cookiePath = "design_";
598  } else if (location.href.indexOf("/distribute/") != -1) {
599    cookiePath = "distribute_";
600  }
601
602});
603// END of the onload event
604
605
606
607function toggleFullscreen(enable) {
608  var delay = 20;
609  var enabled = true;
610  var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
611  if (enable) {
612    // Currently NOT USING fullscreen; enable fullscreen
613    stylesheet.removeAttr('disabled');
614    $('#nav-swap .fullscreen').removeClass('disabled');
615    $('#devdoc-nav').css({left:''});
616    setTimeout(updateSidenavFullscreenWidth,delay); // need to wait a moment for css to switch
617    enabled = true;
618  } else {
619    // Currently USING fullscreen; disable fullscreen
620    stylesheet.attr('disabled', 'disabled');
621    $('#nav-swap .fullscreen').addClass('disabled');
622    setTimeout(updateSidenavFixedWidth,delay); // need to wait a moment for css to switch
623    enabled = false;
624  }
625  writeCookie("fullscreen", enabled, null, null);
626  setNavBarLeftPos();
627  resizeNav(delay);
628  updateSideNavPosition();
629  setTimeout(initSidenavHeightResize,delay);
630}
631
632
633function setNavBarLeftPos() {
634  navBarLeftPos = $('#body-content').offset().left;
635}
636
637
638function updateSideNavPosition() {
639  var newLeft = $(window).scrollLeft() - navBarLeftPos;
640  $('#devdoc-nav').css({left: -newLeft});
641  $('#devdoc-nav .totop').css({left: -(newLeft - parseInt($('#side-nav').css('margin-left')))});
642}
643
644
645
646
647
648
649
650
651// TODO: use $(document).ready instead
652function addLoadEvent(newfun) {
653  var current = window.onload;
654  if (typeof window.onload != 'function') {
655    window.onload = newfun;
656  } else {
657    window.onload = function() {
658      current();
659      newfun();
660    }
661  }
662}
663
664var agent = navigator['userAgent'].toLowerCase();
665// If a mobile phone, set flag and do mobile setup
666if ((agent.indexOf("mobile") != -1) ||      // android, iphone, ipod
667    (agent.indexOf("blackberry") != -1) ||
668    (agent.indexOf("webos") != -1) ||
669    (agent.indexOf("mini") != -1)) {        // opera mini browsers
670  isMobile = true;
671}
672
673
674addLoadEvent( function() {
675  $("pre:not(.no-pretty-print)").addClass("prettyprint");
676  prettyPrint();
677} );
678
679
680
681
682/* ######### RESIZE THE SIDENAV HEIGHT ########## */
683
684function resizeNav(delay) {
685  var $nav = $("#devdoc-nav");
686  var $window = $(window);
687  var navHeight;
688
689  // Get the height of entire window and the total header height.
690  // Then figure out based on scroll position whether the header is visible
691  var windowHeight = $window.height();
692  var scrollTop = $window.scrollTop();
693  var headerHeight = $('#header').outerHeight();
694  var subheaderHeight = $('#nav-x').outerHeight();
695  var headerVisible = (scrollTop < (headerHeight + subheaderHeight));
696
697  // get the height of space between nav and top of window.
698  // Could be either margin or top position, depending on whether the nav is fixed.
699  var topMargin = (parseInt($nav.css('margin-top')) || parseInt($nav.css('top'))) + 1;
700  // add 1 for the #side-nav bottom margin
701
702  // Depending on whether the header is visible, set the side nav's height.
703  if (headerVisible) {
704    // The sidenav height grows as the header goes off screen
705    navHeight = windowHeight - (headerHeight + subheaderHeight - scrollTop) - topMargin;
706  } else {
707    // Once header is off screen, the nav height is almost full window height
708    navHeight = windowHeight - topMargin;
709  }
710
711
712
713  $scrollPanes = $(".scroll-pane");
714  if ($scrollPanes.length > 1) {
715    // subtract the height of the api level widget and nav swapper from the available nav height
716    navHeight -= ($('#api-nav-header').outerHeight(true) + $('#nav-swap').outerHeight(true));
717
718    $("#swapper").css({height:navHeight + "px"});
719    if ($("#nav-tree").is(":visible")) {
720      $("#nav-tree").css({height:navHeight});
721    }
722
723    var classesHeight = navHeight - parseInt($("#resize-packages-nav").css("height")) - 10 + "px";
724    //subtract 10px to account for drag bar
725
726    // if the window becomes small enough to make the class panel height 0,
727    // then the package panel should begin to shrink
728    if (parseInt(classesHeight) <= 0) {
729      $("#resize-packages-nav").css({height:navHeight - 10}); //subtract 10px for drag bar
730      $("#packages-nav").css({height:navHeight - 10});
731    }
732
733    $("#classes-nav").css({'height':classesHeight, 'margin-top':'10px'});
734    $("#classes-nav .jspContainer").css({height:classesHeight});
735
736
737  } else {
738    $nav.height(navHeight);
739  }
740
741  if (delay) {
742    updateFromResize = true;
743    delayedReInitScrollbars(delay);
744  } else {
745    reInitScrollbars();
746  }
747
748}
749
750var updateScrollbars = false;
751var updateFromResize = false;
752
753/* Re-initialize the scrollbars to account for changed nav size.
754 * This method postpones the actual update by a 1/4 second in order to optimize the
755 * scroll performance while the header is still visible, because re-initializing the
756 * scroll panes is an intensive process.
757 */
758function delayedReInitScrollbars(delay) {
759  // If we're scheduled for an update, but have received another resize request
760  // before the scheduled resize has occured, just ignore the new request
761  // (and wait for the scheduled one).
762  if (updateScrollbars && updateFromResize) {
763    updateFromResize = false;
764    return;
765  }
766
767  // We're scheduled for an update and the update request came from this method's setTimeout
768  if (updateScrollbars && !updateFromResize) {
769    reInitScrollbars();
770    updateScrollbars = false;
771  } else {
772    updateScrollbars = true;
773    updateFromResize = false;
774    setTimeout('delayedReInitScrollbars()',delay);
775  }
776}
777
778/* Re-initialize the scrollbars to account for changed nav size. */
779function reInitScrollbars() {
780  var pane = $(".scroll-pane").each(function(){
781    var api = $(this).data('jsp');
782    if (!api) { setTimeout(reInitScrollbars,300); return;}
783    api.reinitialise( {verticalGutter:0} );
784  });
785  $(".scroll-pane").removeAttr("tabindex"); // get rid of tabindex added by jscroller
786}
787
788
789/* Resize the height of the nav panels in the reference,
790 * and save the new size to a cookie */
791function saveNavPanels() {
792  var basePath = getBaseUri(location.pathname);
793  var section = basePath.substring(1,basePath.indexOf("/",1));
794  writeCookie("height", resizePackagesNav.css("height"), section, null);
795}
796
797
798
799function restoreHeight(packageHeight) {
800    $("#resize-packages-nav").height(packageHeight);
801    $("#packages-nav").height(packageHeight);
802  //  var classesHeight = navHeight - packageHeight;
803 //   $("#classes-nav").css({height:classesHeight});
804  //  $("#classes-nav .jspContainer").css({height:classesHeight});
805}
806
807
808
809/* ######### END RESIZE THE SIDENAV HEIGHT ########## */
810
811
812
813
814
815/** Scroll the jScrollPane to make the currently selected item visible
816    This is called when the page finished loading. */
817function scrollIntoView(nav) {
818  var $nav = $("#"+nav);
819  var element = $nav.jScrollPane({/* ...settings... */});
820  var api = element.data('jsp');
821
822  if ($nav.is(':visible')) {
823    var $selected = $(".selected", $nav);
824    if ($selected.length == 0) return;
825
826    var selectedOffset = $selected.position().top;
827    if (selectedOffset + 90 > $nav.height()) {  // add 90 so that we scroll up even
828                                                // if the current item is close to the bottom
829      api.scrollTo(0, selectedOffset - ($nav.height() / 4), false); // scroll the item into view
830                                                              // to be 1/4 of the way from the top
831    }
832  }
833}
834
835
836
837
838
839
840/* Show popup dialogs */
841function showDialog(id) {
842  $dialog = $("#"+id);
843  $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>');
844  $dialog.wrapInner('<div/>');
845  $dialog.removeClass("hide");
846}
847
848
849
850
851
852/* #########    COOKIES!     ########## */
853
854function readCookie(cookie) {
855  var myCookie = cookie_namespace+"_"+cookie+"=";
856  if (document.cookie) {
857    var index = document.cookie.indexOf(myCookie);
858    if (index != -1) {
859      var valStart = index + myCookie.length;
860      var valEnd = document.cookie.indexOf(";", valStart);
861      if (valEnd == -1) {
862        valEnd = document.cookie.length;
863      }
864      var val = document.cookie.substring(valStart, valEnd);
865      return val;
866    }
867  }
868  return 0;
869}
870
871function writeCookie(cookie, val, section, expiration) {
872  if (val==undefined) return;
873  section = section == null ? "_" : "_"+section+"_";
874  if (expiration == null) {
875    var date = new Date();
876    date.setTime(date.getTime()+(10*365*24*60*60*1000)); // default expiration is one week
877    expiration = date.toGMTString();
878  }
879  var cookieValue = cookie_namespace + section + cookie + "=" + val
880                    + "; expires=" + expiration+"; path=/";
881  document.cookie = cookieValue;
882}
883
884/* #########     END COOKIES!     ########## */
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910/*
911
912REMEMBER THE PREVIOUS PAGE FOR EACH TAB
913
914function loadLast(cookiePath) {
915  var location = window.location.href;
916  if (location.indexOf("/"+cookiePath+"/") != -1) {
917    return true;
918  }
919  var lastPage = readCookie(cookiePath + "_lastpage");
920  if (lastPage) {
921    window.location = lastPage;
922    return false;
923  }
924  return true;
925}
926
927
928
929$(window).unload(function(){
930  var path = getBaseUri(location.pathname);
931  if (path.indexOf("/reference/") != -1) {
932    writeCookie("lastpage", path, "reference", null);
933  } else if (path.indexOf("/guide/") != -1) {
934    writeCookie("lastpage", path, "guide", null);
935  } else if ((path.indexOf("/resources/") != -1) || (path.indexOf("/training/") != -1)) {
936    writeCookie("lastpage", path, "resources", null);
937  }
938});
939
940*/
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955function toggle(obj, slide) {
956  var ul = $("ul:first", obj);
957  var li = ul.parent();
958  if (li.hasClass("closed")) {
959    if (slide) {
960      ul.slideDown("fast");
961    } else {
962      ul.show();
963    }
964    li.removeClass("closed");
965    li.addClass("open");
966    $(".toggle-img", li).attr("title", "hide pages");
967  } else {
968    ul.slideUp("fast");
969    li.removeClass("open");
970    li.addClass("closed");
971    $(".toggle-img", li).attr("title", "show pages");
972  }
973}
974
975
976
977
978
979function buildToggleLists() {
980  $(".toggle-list").each(
981    function(i) {
982      $("div:first", this).append("<a class='toggle-img' href='#' title='show pages' onClick='toggle(this.parentNode.parentNode, true); return false;'></a>");
983      $(this).addClass("closed");
984    });
985}
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018/*      REFERENCE NAV SWAP     */
1019
1020
1021function getNavPref() {
1022  var v = readCookie('reference_nav');
1023  if (v != NAV_PREF_TREE) {
1024    v = NAV_PREF_PANELS;
1025  }
1026  return v;
1027}
1028
1029function chooseDefaultNav() {
1030  nav_pref = getNavPref();
1031  if (nav_pref == NAV_PREF_TREE) {
1032    $("#nav-panels").toggle();
1033    $("#panel-link").toggle();
1034    $("#nav-tree").toggle();
1035    $("#tree-link").toggle();
1036  }
1037}
1038
1039function swapNav() {
1040  if (nav_pref == NAV_PREF_TREE) {
1041    nav_pref = NAV_PREF_PANELS;
1042  } else {
1043    nav_pref = NAV_PREF_TREE;
1044    init_default_navtree(toRoot);
1045  }
1046  var date = new Date();
1047  date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
1048  writeCookie("nav", nav_pref, "reference", date.toGMTString());
1049
1050  $("#nav-panels").toggle();
1051  $("#panel-link").toggle();
1052  $("#nav-tree").toggle();
1053  $("#tree-link").toggle();
1054
1055  resizeNav();
1056
1057  // Gross nasty hack to make tree view show up upon first swap by setting height manually
1058  $("#nav-tree .jspContainer:visible")
1059      .css({'height':$("#nav-tree .jspContainer .jspPane").height() +'px'});
1060  // Another nasty hack to make the scrollbar appear now that we have height
1061  resizeNav();
1062
1063  if ($("#nav-tree").is(':visible')) {
1064    scrollIntoView("nav-tree");
1065  } else {
1066    scrollIntoView("packages-nav");
1067    scrollIntoView("classes-nav");
1068  }
1069}
1070
1071
1072
1073/* ############################################ */
1074/* ##########     LOCALIZATION     ############ */
1075/* ############################################ */
1076
1077function getBaseUri(uri) {
1078  var intlUrl = (uri.substring(0,6) == "/intl/");
1079  if (intlUrl) {
1080    base = uri.substring(uri.indexOf('intl/')+5,uri.length);
1081    base = base.substring(base.indexOf('/')+1, base.length);
1082      //alert("intl, returning base url: /" + base);
1083    return ("/" + base);
1084  } else {
1085      //alert("not intl, returning uri as found.");
1086    return uri;
1087  }
1088}
1089
1090function requestAppendHL(uri) {
1091//append "?hl=<lang> to an outgoing request (such as to blog)
1092  var lang = getLangPref();
1093  if (lang) {
1094    var q = 'hl=' + lang;
1095    uri += '?' + q;
1096    window.location = uri;
1097    return false;
1098  } else {
1099    return true;
1100  }
1101}
1102
1103
1104function changeNavLang(lang) {
1105  var $links = $("#devdoc-nav,#header,#nav-x,.training-nav-top,.content-footer").find("a["+lang+"-lang]");
1106  $links.each(function(i){ // for each link with a translation
1107    var $link = $(this);
1108    if (lang != "en") { // No need to worry about English, because a language change invokes new request
1109      // put the desired language from the attribute as the text
1110      $link.text($link.attr(lang+"-lang"))
1111    }
1112  });
1113}
1114
1115function changeLangPref(lang, submit) {
1116  var date = new Date();
1117  expires = date.toGMTString(date.setTime(date.getTime()+(10*365*24*60*60*1000)));
1118  // keep this for 50 years
1119  //alert("expires: " + expires)
1120  writeCookie("pref_lang", lang, null, expires);
1121
1122  //  #######  TODO:  Remove this condition once we're stable on devsite #######
1123  //  This condition is only needed if we still need to support legacy GAE server
1124  if (devsite) {
1125    // Switch language when on Devsite server
1126    if (submit) {
1127      $("#setlang").submit();
1128    }
1129  } else {
1130    // Switch language when on legacy GAE server
1131    if (submit) {
1132      window.location = getBaseUri(location.pathname);
1133    }
1134  }
1135}
1136
1137function loadLangPref() {
1138  var lang = readCookie("pref_lang");
1139  if (lang != 0) {
1140    $("#language").find("option[value='"+lang+"']").attr("selected",true);
1141  }
1142}
1143
1144function getLangPref() {
1145  var lang = $("#language").find(":selected").attr("value");
1146  if (!lang) {
1147    lang = readCookie("pref_lang");
1148  }
1149  return (lang != 0) ? lang : 'en';
1150}
1151
1152/* ##########     END LOCALIZATION     ############ */
1153
1154
1155
1156
1157
1158
1159/* Used to hide and reveal supplemental content, such as long code samples.
1160   See the companion CSS in android-developer-docs.css */
1161function toggleContent(obj) {
1162  var div = $(obj.parentNode.parentNode);
1163  var toggleMe = $(".toggle-content-toggleme",div);
1164  if (div.hasClass("closed")) { // if it's closed, open it
1165    toggleMe.slideDown();
1166    $(".toggle-content-text", obj).toggle();
1167    div.removeClass("closed").addClass("open");
1168    $(".toggle-content-img", div).attr("title", "hide").attr("src", toRoot
1169                  + "assets/images/triangle-opened.png");
1170  } else { // if it's open, close it
1171    toggleMe.slideUp('fast', function() {  // Wait until the animation is done before closing arrow
1172      $(".toggle-content-text", obj).toggle();
1173      div.removeClass("open").addClass("closed");
1174      $(".toggle-content-img", div).attr("title", "show").attr("src", toRoot
1175                  + "assets/images/triangle-closed.png");
1176    });
1177  }
1178  return false;
1179}
1180
1181
1182/* New version of expandable content */
1183function toggleExpandable(link,id) {
1184  if($(id).is(':visible')) {
1185    $(id).slideUp();
1186    $(link).removeClass('expanded');
1187  } else {
1188    $(id).slideDown();
1189    $(link).addClass('expanded');
1190  }
1191}
1192
1193function hideExpandable(ids) {
1194  $(ids).slideUp();
1195  $(ids).prev('h4').find('a.expandable').removeClass('expanded');
1196}
1197
1198
1199
1200
1201
1202/*
1203 *  Slideshow 1.0
1204 *  Used on /index.html and /develop/index.html for carousel
1205 *
1206 *  Sample usage:
1207 *  HTML -
1208 *  <div class="slideshow-container">
1209 *   <a href="" class="slideshow-prev">Prev</a>
1210 *   <a href="" class="slideshow-next">Next</a>
1211 *   <ul>
1212 *       <li class="item"><img src="images/marquee1.jpg"></li>
1213 *       <li class="item"><img src="images/marquee2.jpg"></li>
1214 *       <li class="item"><img src="images/marquee3.jpg"></li>
1215 *       <li class="item"><img src="images/marquee4.jpg"></li>
1216 *   </ul>
1217 *  </div>
1218 *
1219 *   <script type="text/javascript">
1220 *   $('.slideshow-container').dacSlideshow({
1221 *       auto: true,
1222 *       btnPrev: '.slideshow-prev',
1223 *       btnNext: '.slideshow-next'
1224 *   });
1225 *   </script>
1226 *
1227 *  Options:
1228 *  btnPrev:    optional identifier for previous button
1229 *  btnNext:    optional identifier for next button
1230 *  btnPause:   optional identifier for pause button
1231 *  auto:       whether or not to auto-proceed
1232 *  speed:      animation speed
1233 *  autoTime:   time between auto-rotation
1234 *  easing:     easing function for transition
1235 *  start:      item to select by default
1236 *  scroll:     direction to scroll in
1237 *  pagination: whether or not to include dotted pagination
1238 *
1239 */
1240
1241 (function($) {
1242 $.fn.dacSlideshow = function(o) {
1243
1244     //Options - see above
1245     o = $.extend({
1246         btnPrev:   null,
1247         btnNext:   null,
1248         btnPause:  null,
1249         auto:      true,
1250         speed:     500,
1251         autoTime:  12000,
1252         easing:    null,
1253         start:     0,
1254         scroll:    1,
1255         pagination: true
1256
1257     }, o || {});
1258
1259     //Set up a carousel for each
1260     return this.each(function() {
1261
1262         var running = false;
1263         var animCss = o.vertical ? "top" : "left";
1264         var sizeCss = o.vertical ? "height" : "width";
1265         var div = $(this);
1266         var ul = $("ul", div);
1267         var tLi = $("li", ul);
1268         var tl = tLi.size();
1269         var timer = null;
1270
1271         var li = $("li", ul);
1272         var itemLength = li.size();
1273         var curr = o.start;
1274
1275         li.css({float: o.vertical ? "none" : "left"});
1276         ul.css({margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1"});
1277         div.css({position: "relative", "z-index": "2", left: "0px"});
1278
1279         var liSize = o.vertical ? height(li) : width(li);
1280         var ulSize = liSize * itemLength;
1281         var divSize = liSize;
1282
1283         li.css({width: li.width(), height: li.height()});
1284         ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));
1285
1286         div.css(sizeCss, divSize+"px");
1287
1288         //Pagination
1289         if (o.pagination) {
1290             var pagination = $("<div class='pagination'></div>");
1291             var pag_ul = $("<ul></ul>");
1292             if (tl > 1) {
1293               for (var i=0;i<tl;i++) {
1294                    var li = $("<li>"+i+"</li>");
1295                    pag_ul.append(li);
1296                    if (i==o.start) li.addClass('active');
1297                        li.click(function() {
1298                        go(parseInt($(this).text()));
1299                    })
1300                }
1301                pagination.append(pag_ul);
1302                div.append(pagination);
1303             }
1304         }
1305
1306         //Previous button
1307         if(o.btnPrev)
1308             $(o.btnPrev).click(function(e) {
1309                 e.preventDefault();
1310                 return go(curr-o.scroll);
1311             });
1312
1313         //Next button
1314         if(o.btnNext)
1315             $(o.btnNext).click(function(e) {
1316                 e.preventDefault();
1317                 return go(curr+o.scroll);
1318             });
1319
1320         //Pause button
1321         if(o.btnPause)
1322             $(o.btnPause).click(function(e) {
1323                 e.preventDefault();
1324                 if ($(this).hasClass('paused')) {
1325                     startRotateTimer();
1326                 } else {
1327                     pauseRotateTimer();
1328                 }
1329             });
1330
1331         //Auto rotation
1332         if(o.auto) startRotateTimer();
1333
1334         function startRotateTimer() {
1335             clearInterval(timer);
1336             timer = setInterval(function() {
1337                  if (curr == tl-1) {
1338                    go(0);
1339                  } else {
1340                    go(curr+o.scroll);
1341                  }
1342              }, o.autoTime);
1343             $(o.btnPause).removeClass('paused');
1344         }
1345
1346         function pauseRotateTimer() {
1347             clearInterval(timer);
1348             $(o.btnPause).addClass('paused');
1349         }
1350
1351         //Go to an item
1352         function go(to) {
1353             if(!running) {
1354
1355                 if(to<0) {
1356                    to = itemLength-1;
1357                 } else if (to>itemLength-1) {
1358                    to = 0;
1359                 }
1360                 curr = to;
1361
1362                 running = true;
1363
1364                 ul.animate(
1365                     animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) } , o.speed, o.easing,
1366                     function() {
1367                         running = false;
1368                     }
1369                 );
1370
1371                 $(o.btnPrev + "," + o.btnNext).removeClass("disabled");
1372                 $( (curr-o.scroll<0 && o.btnPrev)
1373                     ||
1374                    (curr+o.scroll > itemLength && o.btnNext)
1375                     ||
1376                    []
1377                  ).addClass("disabled");
1378
1379
1380                 var nav_items = $('li', pagination);
1381                 nav_items.removeClass('active');
1382                 nav_items.eq(to).addClass('active');
1383
1384
1385             }
1386             if(o.auto) startRotateTimer();
1387             return false;
1388         };
1389     });
1390 };
1391
1392 function css(el, prop) {
1393     return parseInt($.css(el[0], prop)) || 0;
1394 };
1395 function width(el) {
1396     return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
1397 };
1398 function height(el) {
1399     return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
1400 };
1401
1402 })(jQuery);
1403
1404
1405/*
1406 *  dacSlideshow 1.0
1407 *  Used on develop/index.html for side-sliding tabs
1408 *
1409 *  Sample usage:
1410 *  HTML -
1411 *  <div class="slideshow-container">
1412 *   <a href="" class="slideshow-prev">Prev</a>
1413 *   <a href="" class="slideshow-next">Next</a>
1414 *   <ul>
1415 *       <li class="item"><img src="images/marquee1.jpg"></li>
1416 *       <li class="item"><img src="images/marquee2.jpg"></li>
1417 *       <li class="item"><img src="images/marquee3.jpg"></li>
1418 *       <li class="item"><img src="images/marquee4.jpg"></li>
1419 *   </ul>
1420 *  </div>
1421 *
1422 *   <script type="text/javascript">
1423 *   $('.slideshow-container').dacSlideshow({
1424 *       auto: true,
1425 *       btnPrev: '.slideshow-prev',
1426 *       btnNext: '.slideshow-next'
1427 *   });
1428 *   </script>
1429 *
1430 *  Options:
1431 *  btnPrev:    optional identifier for previous button
1432 *  btnNext:    optional identifier for next button
1433 *  auto:       whether or not to auto-proceed
1434 *  speed:      animation speed
1435 *  autoTime:   time between auto-rotation
1436 *  easing:     easing function for transition
1437 *  start:      item to select by default
1438 *  scroll:     direction to scroll in
1439 *  pagination: whether or not to include dotted pagination
1440 *
1441 */
1442 (function($) {
1443 $.fn.dacTabbedList = function(o) {
1444
1445     //Options - see above
1446     o = $.extend({
1447         speed : 250,
1448         easing: null,
1449         nav_id: null,
1450         frame_id: null
1451     }, o || {});
1452
1453     //Set up a carousel for each
1454     return this.each(function() {
1455
1456         var curr = 0;
1457         var running = false;
1458         var animCss = "margin-left";
1459         var sizeCss = "width";
1460         var div = $(this);
1461
1462         var nav = $(o.nav_id, div);
1463         var nav_li = $("li", nav);
1464         var nav_size = nav_li.size();
1465         var frame = div.find(o.frame_id);
1466         var content_width = $(frame).find('ul').width();
1467         //Buttons
1468         $(nav_li).click(function(e) {
1469           go($(nav_li).index($(this)));
1470         })
1471
1472         //Go to an item
1473         function go(to) {
1474             if(!running) {
1475                 curr = to;
1476                 running = true;
1477
1478                 frame.animate({ 'margin-left' : -(curr*content_width) }, o.speed, o.easing,
1479                     function() {
1480                         running = false;
1481                     }
1482                 );
1483
1484
1485                 nav_li.removeClass('active');
1486                 nav_li.eq(to).addClass('active');
1487
1488
1489             }
1490             return false;
1491         };
1492     });
1493 };
1494
1495 function css(el, prop) {
1496     return parseInt($.css(el[0], prop)) || 0;
1497 };
1498 function width(el) {
1499     return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
1500 };
1501 function height(el) {
1502     return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
1503 };
1504
1505 })(jQuery);
1506
1507
1508
1509
1510
1511/* ######################################################## */
1512/* ################  SEARCH SUGGESTIONS  ################## */
1513/* ######################################################## */
1514
1515
1516
1517var gSelectedIndex = -1;
1518var gMatches = new Array();
1519var gLastText = "";
1520var gInitialized = false;
1521var ROW_COUNT_FRAMEWORK = 20;       // max number of results in list
1522var gListLength = 0;
1523
1524
1525var gGoogleMatches = new Array();
1526var ROW_COUNT_GOOGLE = 15;          // max number of results in list
1527var gGoogleListLength = 0;
1528
1529function set_item_selected($li, selected)
1530{
1531    if (selected) {
1532        $li.attr('class','jd-autocomplete jd-selected');
1533    } else {
1534        $li.attr('class','jd-autocomplete');
1535    }
1536}
1537
1538function set_item_values(toroot, $li, match)
1539{
1540    var $link = $('a',$li);
1541    $link.html(match.__hilabel || match.label);
1542    $link.attr('href',toroot + match.link);
1543}
1544
1545function new_suggestion() {
1546    var $list = $("#search_filtered");
1547    var $li = $("<li class='jd-autocomplete'></li>");
1548    $list.append($li);
1549
1550    $li.mousedown(function() {
1551        window.location = this.firstChild.getAttribute("href");
1552    });
1553    $li.mouseover(function() {
1554        $('#search_filtered li').removeClass('jd-selected');
1555        $(this).addClass('jd-selected');
1556        gSelectedIndex = $('#search_filtered li').index(this);
1557    });
1558    $li.append('<a></a>');
1559    $li.attr('class','show-item');
1560    return $li;
1561}
1562
1563function sync_selection_table(toroot)
1564{
1565    var $list = $("#search_filtered");
1566    var $li; //list item jquery object
1567    var i; //list item iterator
1568
1569    // reset the list
1570    $("li",$list).remove();
1571
1572    //if we have results, make the table visible and initialize result info
1573    if ((gMatches.length > 0) || (gGoogleMatches.length > 0)) {
1574        // reveal suggestion list
1575        $('#search_filtered_div').removeClass('no-display');
1576        var listIndex = 0; // list index position
1577
1578        // ########### ANDROID RESULTS #############
1579        if (gMatches.length > 0) {
1580
1581            // determine android results to show
1582            gListLength = gMatches.length < ROW_COUNT_FRAMEWORK ?
1583                          gMatches.length : ROW_COUNT_FRAMEWORK;
1584            for (i=0; i<gListLength; i++) {
1585                var $li = new_suggestion();
1586                set_item_values(toroot, $li, gMatches[i]);
1587                set_item_selected($li, i == gSelectedIndex);
1588            }
1589        }
1590
1591        // ########### GOOGLE RESULTS #############
1592        if (gGoogleMatches.length > 0) {
1593            // show header for list
1594            $list.append("<li class='header'>in Google Services:</li>");
1595
1596            // determine google results to show
1597            gGoogleListLength = gGoogleMatches.length < ROW_COUNT_GOOGLE ? gGoogleMatches.length : ROW_COUNT_GOOGLE;
1598            for (i=0; i<gGoogleListLength; i++) {
1599                var $li = new_suggestion();
1600                set_item_values(toroot, $li, gGoogleMatches[i]);
1601                set_item_selected($li, i == gSelectedIndex);
1602            }
1603        }
1604
1605    //if we have no results, hide the table
1606    } else {
1607        $('#search_filtered_div').addClass('no-display');
1608    }
1609}
1610
1611function search_changed(e, kd, toroot)
1612{
1613    var search = document.getElementById("search_autocomplete");
1614    var text = search.value.replace(/(^ +)|( +$)/g, '');
1615
1616    // show/hide the close button
1617    if (text != '') {
1618        $(".search .close").removeClass("hide");
1619    } else {
1620        $(".search .close").addClass("hide");
1621    }
1622
1623    // 13 = enter
1624    if (e.keyCode == 13) {
1625        $('#search_filtered_div').addClass('no-display');
1626        if (!$('#search_filtered_div').hasClass('no-display') || (gSelectedIndex < 0)) {
1627            if ($("#searchResults").is(":hidden") && (search.value != "")) {
1628              // if results aren't showing (and text not empty), return true to allow search to execute
1629              return true;
1630            } else {
1631              // otherwise, results are already showing, so allow ajax to auto refresh the results
1632              // and ignore this Enter press to avoid the reload.
1633              return false;
1634            }
1635        } else if (kd && gSelectedIndex >= 0) {
1636            window.location = $("a",$('#search_filtered li')[gSelectedIndex]).attr("href");
1637            return false;
1638        }
1639    }
1640    // 38 -- arrow up
1641    else if (kd && (e.keyCode == 38)) {
1642        if ($($("#search_filtered li")[gSelectedIndex-1]).hasClass("header")) {
1643            $('#search_filtered_div li').removeClass('jd-selected');
1644            gSelectedIndex--;
1645            $('#search_filtered_div li:nth-child('+(gSelectedIndex+1)+')').addClass('jd-selected');
1646        }
1647        if (gSelectedIndex >= 0) {
1648            $('#search_filtered_div li').removeClass('jd-selected');
1649            gSelectedIndex--;
1650            $('#search_filtered_div li:nth-child('+(gSelectedIndex+1)+')').addClass('jd-selected');
1651        }
1652        return false;
1653    }
1654    // 40 -- arrow down
1655    else if (kd && (e.keyCode == 40)) {
1656        if ($($("#search_filtered li")[gSelectedIndex+1]).hasClass("header")) {
1657            $('#search_filtered_div li').removeClass('jd-selected');
1658            gSelectedIndex++;
1659            $('#search_filtered_div li:nth-child('+(gSelectedIndex+1)+')').addClass('jd-selected');
1660        }
1661        if ((gSelectedIndex < $("ul#search_filtered li").length-1) ||
1662                        ($($("#search_filtered li")[gSelectedIndex+1]).hasClass("header"))) {
1663            $('#search_filtered_div li').removeClass('jd-selected');
1664            gSelectedIndex++;
1665            $('#search_filtered_div li:nth-child('+(gSelectedIndex+1)+')').addClass('jd-selected');
1666        }
1667        return false;
1668    }
1669    // if key-up event and not arrow down/up,
1670    // read the search query and add suggestsions to gMatches
1671    else if (!kd && (e.keyCode != 40) && (e.keyCode != 38)) {
1672        gMatches = new Array();
1673        matchedCount = 0;
1674        gGoogleMatches = new Array();
1675        matchedCountGoogle = 0;
1676        gSelectedIndex = -1;
1677
1678        // Search for Android matches
1679        for (var i=0; i<DATA.length; i++) {
1680            var s = DATA[i];
1681            if (text.length != 0 &&
1682                  s.label.toLowerCase().indexOf(text.toLowerCase()) != -1) {
1683                gMatches[matchedCount] = s;
1684                matchedCount++;
1685            }
1686        }
1687        rank_autocomplete_results(text, gMatches);
1688        for (var i=0; i<gMatches.length; i++) {
1689            var s = gMatches[i];
1690        }
1691
1692
1693        // Search for Google matches
1694        for (var i=0; i<GOOGLE_DATA.length; i++) {
1695            var s = GOOGLE_DATA[i];
1696            if (text.length != 0 &&
1697                  s.label.toLowerCase().indexOf(text.toLowerCase()) != -1) {
1698                gGoogleMatches[matchedCountGoogle] = s;
1699                matchedCountGoogle++;
1700            }
1701        }
1702        rank_autocomplete_results(text, gGoogleMatches);
1703        for (var i=0; i<gGoogleMatches.length; i++) {
1704            var s = gGoogleMatches[i];
1705        }
1706
1707        highlight_autocomplete_result_labels(text);
1708        sync_selection_table(toroot);
1709
1710
1711        return true; // allow the event to bubble up to the search api
1712    }
1713}
1714
1715/* Order the result list based on match quality */
1716function rank_autocomplete_results(query, matches) {
1717    query = query || '';
1718    if (!matches || !matches.length)
1719      return;
1720
1721    // helper function that gets the last occurence index of the given regex
1722    // in the given string, or -1 if not found
1723    var _lastSearch = function(s, re) {
1724      if (s == '')
1725        return -1;
1726      var l = -1;
1727      var tmp;
1728      while ((tmp = s.search(re)) >= 0) {
1729        if (l < 0) l = 0;
1730        l += tmp;
1731        s = s.substr(tmp + 1);
1732      }
1733      return l;
1734    };
1735
1736    // helper function that counts the occurrences of a given character in
1737    // a given string
1738    var _countChar = function(s, c) {
1739      var n = 0;
1740      for (var i=0; i<s.length; i++)
1741        if (s.charAt(i) == c) ++n;
1742      return n;
1743    };
1744
1745    var queryLower = query.toLowerCase();
1746    var queryAlnum = (queryLower.match(/\w+/) || [''])[0];
1747    var partPrefixAlnumRE = new RegExp('\\b' + queryAlnum);
1748    var partExactAlnumRE = new RegExp('\\b' + queryAlnum + '\\b');
1749
1750    var _resultScoreFn = function(result) {
1751        // scores are calculated based on exact and prefix matches,
1752        // and then number of path separators (dots) from the last
1753        // match (i.e. favoring classes and deep package names)
1754        var score = 1.0;
1755        var labelLower = result.label.toLowerCase();
1756        var t;
1757        t = _lastSearch(labelLower, partExactAlnumRE);
1758        if (t >= 0) {
1759            // exact part match
1760            var partsAfter = _countChar(labelLower.substr(t + 1), '.');
1761            score *= 200 / (partsAfter + 1);
1762        } else {
1763            t = _lastSearch(labelLower, partPrefixAlnumRE);
1764            if (t >= 0) {
1765                // part prefix match
1766                var partsAfter = _countChar(labelLower.substr(t + 1), '.');
1767                score *= 20 / (partsAfter + 1);
1768            }
1769        }
1770
1771        return score;
1772    };
1773
1774    for (var i=0; i<matches.length; i++) {
1775        matches[i].__resultScore = _resultScoreFn(matches[i]);
1776    }
1777
1778    matches.sort(function(a,b){
1779        var n = b.__resultScore - a.__resultScore;
1780        if (n == 0) // lexicographical sort if scores are the same
1781            n = (a.label < b.label) ? -1 : 1;
1782        return n;
1783    });
1784}
1785
1786/* Add emphasis to part of string that matches query */
1787function highlight_autocomplete_result_labels(query) {
1788    query = query || '';
1789    if ((!gMatches || !gMatches.length) && (!gGoogleMatches || !gGoogleMatches.length))
1790      return;
1791
1792    var queryLower = query.toLowerCase();
1793    var queryAlnumDot = (queryLower.match(/[\w\.]+/) || [''])[0];
1794    var queryRE = new RegExp(
1795        '(' + queryAlnumDot.replace(/\./g, '\\.') + ')', 'ig');
1796    for (var i=0; i<gMatches.length; i++) {
1797        gMatches[i].__hilabel = gMatches[i].label.replace(
1798            queryRE, '<b>$1</b>');
1799    }
1800    for (var i=0; i<gGoogleMatches.length; i++) {
1801        gGoogleMatches[i].__hilabel = gGoogleMatches[i].label.replace(
1802            queryRE, '<b>$1</b>');
1803    }
1804}
1805
1806function search_focus_changed(obj, focused)
1807{
1808    if (!focused) {
1809        if(obj.value == ""){
1810          $(".search .close").addClass("hide");
1811        }
1812        document.getElementById("search_filtered_div").className = "no-display";
1813    }
1814}
1815
1816function submit_search() {
1817  var query = document.getElementById('search_autocomplete').value;
1818  location.hash = 'q=' + query;
1819  loadSearchResults();
1820  $("#searchResults").slideDown('slow');
1821  return false;
1822}
1823
1824
1825function hideResults() {
1826  $("#searchResults").slideUp();
1827  $(".search .close").addClass("hide");
1828  location.hash = '';
1829
1830  $("#search_autocomplete").val("").blur();
1831
1832  // reset the ajax search callback to nothing, so results don't appear unless ENTER
1833  searchControl.setSearchStartingCallback(this, function(control, searcher, query) {});
1834  return false;
1835}
1836
1837
1838
1839/* ########################################################## */
1840/* ################  CUSTOM SEARCH ENGINE  ################## */
1841/* ########################################################## */
1842
1843google.load('search', '1');
1844var searchControl;
1845
1846function loadSearchResults() {
1847  document.getElementById("search_autocomplete").style.color = "#000";
1848
1849  // create search control
1850  searchControl = new google.search.SearchControl();
1851
1852  // use our existing search form and use tabs when multiple searchers are used
1853  drawOptions = new google.search.DrawOptions();
1854  drawOptions.setDrawMode(google.search.SearchControl.DRAW_MODE_TABBED);
1855  drawOptions.setInput(document.getElementById("search_autocomplete"));
1856
1857  // configure search result options
1858  searchOptions = new google.search.SearcherOptions();
1859  searchOptions.setExpandMode(GSearchControl.EXPAND_MODE_OPEN);
1860
1861  // Configure s.a.c searchers
1862  sacSiteSearcher = new google.search.WebSearch();
1863  sacSiteSearcher.setUserDefinedLabel("All");
1864  sacSiteSearcher.setSiteRestriction("http://source.android.com/");
1865
1866  sourceSearcher = new google.search.WebSearch();
1867  sourceSearcher.setUserDefinedLabel("Source");
1868  sourceSearcher.setSiteRestriction("http://source.android.com/source/");
1869
1870  devicesSearcher = new google.search.WebSearch();
1871  devicesSearcher.setUserDefinedLabel("Devices");
1872  devicesSearcher.setSiteRestriction("http://source.android.com/devices/");
1873
1874  accessoriesSearcher = new google.search.WebSearch();
1875  accessoriesSearcher.setUserDefinedLabel("Accessories");
1876  accessoriesSearcher.setSiteRestriction("http://source.android.com/accessories/");
1877
1878  compatibilitySearcher = new google.search.WebSearch();
1879  compatibilitySearcher.setUserDefinedLabel("Compatibility");
1880  compatibilitySearcher.setSiteRestriction("http://source.android.com/compatibility/");
1881
1882  // add each searcher to the search control
1883  searchControl.addSearcher(sacSiteSearcher, searchOptions);
1884  searchControl.addSearcher(sourceSearcher, searchOptions);
1885  searchControl.addSearcher(devicesSearcher, searchOptions);
1886  searchControl.addSearcher(accessoriesSearcher, searchOptions);
1887  searchControl.addSearcher(compatibilitySearcher, searchOptions);
1888
1889
1890  // configure result options
1891  searchControl.setResultSetSize(google.search.Search.LARGE_RESULTSET);
1892  searchControl.setLinkTarget(google.search.Search.LINK_TARGET_SELF);
1893  searchControl.setTimeoutInterval(google.search.SearchControl.TIMEOUT_SHORT);
1894  searchControl.setNoResultsString(google.search.SearchControl.NO_RESULTS_DEFAULT_STRING);
1895
1896  // upon ajax search, refresh the url and search title
1897  searchControl.setSearchStartingCallback(this, function(control, searcher, query) {
1898    updateResultTitle(query);
1899    var query = document.getElementById('search_autocomplete').value;
1900    location.hash = 'q=' + query;
1901  });
1902
1903  // draw the search results box
1904  searchControl.draw(document.getElementById("leftSearchControl"), drawOptions);
1905
1906  // get query and execute the search
1907  searchControl.execute(decodeURI(getQuery(location.hash)));
1908
1909  document.getElementById("search_autocomplete").focus();
1910  addTabListeners();
1911}
1912// End of loadSearchResults
1913
1914google.setOnLoadCallback(function(){
1915  if (location.hash.indexOf("q=") == -1) {
1916    // if there's no query in the url, don't search and make sure results are hidden
1917    $('#searchResults').hide();
1918    return;
1919  } else {
1920    // first time loading search results for this page
1921    $('#searchResults').slideDown('slow');
1922    $(".search .close").removeClass("hide");
1923    loadSearchResults();
1924  }
1925}, true);
1926
1927// when an event on the browser history occurs (back, forward, load) requery hash and do search
1928$(window).hashchange( function(){
1929  // Exit if the hash isn't a search query or there's an error in the query
1930  if ((location.hash.indexOf("q=") == -1) || (query == "undefined")) {
1931    // If the results pane is open, close it.
1932    if (!$("#searchResults").is(":hidden")) {
1933      hideResults();
1934    }
1935    return;
1936  }
1937
1938  // Otherwise, we have a search to do
1939  var query = decodeURI(getQuery(location.hash));
1940  searchControl.execute(query);
1941  $('#searchResults').slideDown('slow');
1942  $("#search_autocomplete").focus();
1943  $(".search .close").removeClass("hide");
1944
1945  updateResultTitle(query);
1946});
1947
1948function updateResultTitle(query) {
1949  $("#searchTitle").html("Results for <em>" + escapeHTML(query) + "</em>");
1950}
1951
1952// forcefully regain key-up event control (previously jacked by search api)
1953$("#search_autocomplete").keyup(function(event) {
1954  return search_changed(event, false, toRoot);
1955});
1956
1957// add event listeners to each tab so we can track the browser history
1958function addTabListeners() {
1959  var tabHeaders = $(".gsc-tabHeader");
1960  for (var i = 0; i < tabHeaders.length; i++) {
1961    $(tabHeaders[i]).attr("id",i).click(function() {
1962    /*
1963      // make a copy of the page numbers for the search left pane
1964      setTimeout(function() {
1965        // remove any residual page numbers
1966        $('#searchResults .gsc-tabsArea .gsc-cursor-box.gs-bidi-start-align').remove();
1967        // move the page numbers to the left position; make a clone,
1968        // because the element is drawn to the DOM only once
1969        // and because we're going to remove it (previous line),
1970        // we need it to be available to move again as the user navigates
1971        $('#searchResults .gsc-webResult .gsc-cursor-box.gs-bidi-start-align:visible')
1972                        .clone().appendTo('#searchResults .gsc-tabsArea');
1973        }, 200);
1974      */
1975    });
1976  }
1977  setTimeout(function(){$(tabHeaders[0]).click()},200);
1978}
1979
1980
1981function getQuery(hash) {
1982  var queryParts = hash.split('=');
1983  return queryParts[1];
1984}
1985
1986/* returns the given string with all HTML brackets converted to entities
1987    TODO: move this to the site's JS library */
1988function escapeHTML(string) {
1989  return string.replace(/</g,"&lt;")
1990                .replace(/>/g,"&gt;");
1991}
1992
1993
1994
1995
1996
1997
1998
1999/* ######################################################## */
2000/* #################  JAVADOC REFERENCE ################### */
2001/* ######################################################## */
2002
2003/* Initialize some droiddoc stuff, but only if we're in the reference */
2004if (location.pathname.indexOf("/reference")) {
2005  if(!location.pathname.indexOf("/reference-gms/packages.html")
2006    && !location.pathname.indexOf("/reference-gcm/packages.html")
2007    && !location.pathname.indexOf("/reference/com/google") == 0) {
2008    $(document).ready(function() {
2009      // init available apis based on user pref
2010      changeApiLevel();
2011      initSidenavHeightResize()
2012      });
2013  }
2014}
2015
2016var API_LEVEL_COOKIE = "api_level";
2017var minLevel = 1;
2018var maxLevel = 1;
2019
2020/******* SIDENAV DIMENSIONS ************/
2021
2022  function initSidenavHeightResize() {
2023    // Change the drag bar size to nicely fit the scrollbar positions
2024    var $dragBar = $(".ui-resizable-s");
2025    $dragBar.css({'width': $dragBar.parent().width() - 5 + "px"});
2026
2027    $( "#resize-packages-nav" ).resizable({
2028      containment: "#nav-panels",
2029      handles: "s",
2030      alsoResize: "#packages-nav",
2031      resize: function(event, ui) { resizeNav(); }, /* resize the nav while dragging */
2032      stop: function(event, ui) { saveNavPanels(); } /* once stopped, save the sizes to cookie  */
2033      });
2034
2035  }
2036
2037function updateSidenavFixedWidth() {
2038  if (!navBarIsFixed) return;
2039  $('#devdoc-nav').css({
2040    'width' : $('#side-nav').css('width'),
2041    'margin' : $('#side-nav').css('margin')
2042  });
2043  $('#devdoc-nav a.totop').css({'display':'block','width':$("#nav").innerWidth()+'px'});
2044
2045  initSidenavHeightResize();
2046}
2047
2048function updateSidenavFullscreenWidth() {
2049  if (!navBarIsFixed) return;
2050  $('#devdoc-nav').css({
2051    'width' : $('#side-nav').css('width'),
2052    'margin' : $('#side-nav').css('margin')
2053  });
2054  $('#devdoc-nav .totop').css({'left': 'inherit'});
2055
2056  initSidenavHeightResize();
2057}
2058
2059function buildApiLevelSelector() {
2060  maxLevel = SINCE_DATA.length;
2061  var userApiLevel = parseInt(readCookie(API_LEVEL_COOKIE));
2062  userApiLevel = userApiLevel == 0 ? maxLevel : userApiLevel; // If there's no cookie (zero), use the max by default
2063
2064  minLevel = parseInt($("#doc-api-level").attr("class"));
2065  // Handle provisional api levels; the provisional level will always be the highest possible level
2066  // Provisional api levels will also have a length; other stuff that's just missing a level won't,
2067  // so leave those kinds of entities at the default level of 1 (for example, the R.styleable class)
2068  if (isNaN(minLevel) && minLevel.length) {
2069    minLevel = maxLevel;
2070  }
2071  var select = $("#apiLevelSelector").html("").change(changeApiLevel);
2072  for (var i = maxLevel-1; i >= 0; i--) {
2073    var option = $("<option />").attr("value",""+SINCE_DATA[i]).append(""+SINCE_DATA[i]);
2074  //  if (SINCE_DATA[i] < minLevel) option.addClass("absent"); // always false for strings (codenames)
2075    select.append(option);
2076  }
2077
2078  // get the DOM element and use setAttribute cuz IE6 fails when using jquery .attr('selected',true)
2079  var selectedLevelItem = $("#apiLevelSelector option[value='"+userApiLevel+"']").get(0);
2080  selectedLevelItem.setAttribute('selected',true);
2081}
2082
2083function changeApiLevel() {
2084  maxLevel = SINCE_DATA.length;
2085  var selectedLevel = maxLevel;
2086
2087  selectedLevel = parseInt($("#apiLevelSelector option:selected").val());
2088  toggleVisisbleApis(selectedLevel, "body");
2089
2090  var date = new Date();
2091  date.setTime(date.getTime()+(10*365*24*60*60*1000)); // keep this for 10 years
2092  var expiration = date.toGMTString();
2093  writeCookie(API_LEVEL_COOKIE, selectedLevel, null, expiration);
2094
2095  if (selectedLevel < minLevel) {
2096    var thing = ($("#jd-header").html().indexOf("package") != -1) ? "package" : "class";
2097    $("#naMessage").show().html("<div><p><strong>This " + thing
2098              + " requires API level " + minLevel + " or higher.</strong></p>"
2099              + "<p>This document is hidden because your selected API level for the documentation is "
2100              + selectedLevel + ". You can change the documentation API level with the selector "
2101              + "above the left navigation.</p>"
2102              + "<p>For more information about specifying the API level your app requires, "
2103              + "read <a href='" + toRoot + "training/basics/supporting-devices/platforms.html'"
2104              + ">Supporting Different Platform Versions</a>.</p>"
2105              + "<input type='button' value='OK, make this page visible' "
2106              + "title='Change the API level to " + minLevel + "' "
2107              + "onclick='$(\"#apiLevelSelector\").val(\"" + minLevel + "\");changeApiLevel();' />"
2108              + "</div>");
2109  } else {
2110    $("#naMessage").hide();
2111  }
2112}
2113
2114function toggleVisisbleApis(selectedLevel, context) {
2115  var apis = $(".api",context);
2116  apis.each(function(i) {
2117    var obj = $(this);
2118    var className = obj.attr("class");
2119    var apiLevelIndex = className.lastIndexOf("-")+1;
2120    var apiLevelEndIndex = className.indexOf(" ", apiLevelIndex);
2121    apiLevelEndIndex = apiLevelEndIndex != -1 ? apiLevelEndIndex : className.length;
2122    var apiLevel = className.substring(apiLevelIndex, apiLevelEndIndex);
2123    if (apiLevel.length == 0) { // for odd cases when the since data is actually missing, just bail
2124      return;
2125    }
2126    apiLevel = parseInt(apiLevel);
2127
2128    // Handle provisional api levels; if this item's level is the provisional one, set it to the max
2129    var selectedLevelNum = parseInt(selectedLevel)
2130    var apiLevelNum = parseInt(apiLevel);
2131    if (isNaN(apiLevelNum)) {
2132        apiLevelNum = maxLevel;
2133    }
2134
2135    // Grey things out that aren't available and give a tooltip title
2136    if (apiLevelNum > selectedLevelNum) {
2137      obj.addClass("absent").attr("title","Requires API Level \""
2138            + apiLevel + "\" or higher");
2139    }
2140    else obj.removeClass("absent").removeAttr("title");
2141  });
2142}
2143
2144
2145
2146
2147/* #################  SIDENAV TREE VIEW ################### */
2148
2149function new_node(me, mom, text, link, children_data, api_level)
2150{
2151  var node = new Object();
2152  node.children = Array();
2153  node.children_data = children_data;
2154  node.depth = mom.depth + 1;
2155
2156  node.li = document.createElement("li");
2157  mom.get_children_ul().appendChild(node.li);
2158
2159  node.label_div = document.createElement("div");
2160  node.label_div.className = "label";
2161  if (api_level != null) {
2162    $(node.label_div).addClass("api");
2163    $(node.label_div).addClass("api-level-"+api_level);
2164  }
2165  node.li.appendChild(node.label_div);
2166
2167  if (children_data != null) {
2168    node.expand_toggle = document.createElement("a");
2169    node.expand_toggle.href = "javascript:void(0)";
2170    node.expand_toggle.onclick = function() {
2171          if (node.expanded) {
2172            $(node.get_children_ul()).slideUp("fast");
2173            node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
2174            node.expanded = false;
2175          } else {
2176            expand_node(me, node);
2177          }
2178       };
2179    node.label_div.appendChild(node.expand_toggle);
2180
2181    node.plus_img = document.createElement("img");
2182    node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
2183    node.plus_img.className = "plus";
2184    node.plus_img.width = "8";
2185    node.plus_img.border = "0";
2186    node.expand_toggle.appendChild(node.plus_img);
2187
2188    node.expanded = false;
2189  }
2190
2191  var a = document.createElement("a");
2192  node.label_div.appendChild(a);
2193  node.label = document.createTextNode(text);
2194  a.appendChild(node.label);
2195  if (link) {
2196    a.href = me.toroot + link;
2197  } else {
2198    if (children_data != null) {
2199      a.className = "nolink";
2200      a.href = "javascript:void(0)";
2201      a.onclick = node.expand_toggle.onclick;
2202      // This next line shouldn't be necessary.  I'll buy a beer for the first
2203      // person who figures out how to remove this line and have the link
2204      // toggle shut on the first try. --joeo@android.com
2205      node.expanded = false;
2206    }
2207  }
2208
2209
2210  node.children_ul = null;
2211  node.get_children_ul = function() {
2212      if (!node.children_ul) {
2213        node.children_ul = document.createElement("ul");
2214        node.children_ul.className = "children_ul";
2215        node.children_ul.style.display = "none";
2216        node.li.appendChild(node.children_ul);
2217      }
2218      return node.children_ul;
2219    };
2220
2221  return node;
2222}
2223
2224
2225
2226
2227function expand_node(me, node)
2228{
2229  if (node.children_data && !node.expanded) {
2230    if (node.children_visited) {
2231      $(node.get_children_ul()).slideDown("fast");
2232    } else {
2233      get_node(me, node);
2234      if ($(node.label_div).hasClass("absent")) {
2235        $(node.get_children_ul()).addClass("absent");
2236      }
2237      $(node.get_children_ul()).slideDown("fast");
2238    }
2239    node.plus_img.src = me.toroot + "assets/images/triangle-opened-small.png";
2240    node.expanded = true;
2241
2242    // perform api level toggling because new nodes are new to the DOM
2243    var selectedLevel = $("#apiLevelSelector option:selected").val();
2244    toggleVisisbleApis(selectedLevel, "#side-nav");
2245  }
2246}
2247
2248function get_node(me, mom)
2249{
2250  mom.children_visited = true;
2251  for (var i in mom.children_data) {
2252    var node_data = mom.children_data[i];
2253    mom.children[i] = new_node(me, mom, node_data[0], node_data[1],
2254        node_data[2], node_data[3]);
2255  }
2256}
2257
2258function this_page_relative(toroot)
2259{
2260  var full = document.location.pathname;
2261  var file = "";
2262  if (toroot.substr(0, 1) == "/") {
2263    if (full.substr(0, toroot.length) == toroot) {
2264      return full.substr(toroot.length);
2265    } else {
2266      // the file isn't under toroot.  Fail.
2267      return null;
2268    }
2269  } else {
2270    if (toroot != "./") {
2271      toroot = "./" + toroot;
2272    }
2273    do {
2274      if (toroot.substr(toroot.length-3, 3) == "../" || toroot == "./") {
2275        var pos = full.lastIndexOf("/");
2276        file = full.substr(pos) + file;
2277        full = full.substr(0, pos);
2278        toroot = toroot.substr(0, toroot.length-3);
2279      }
2280    } while (toroot != "" && toroot != "/");
2281    return file.substr(1);
2282  }
2283}
2284
2285function find_page(url, data)
2286{
2287  var nodes = data;
2288  var result = null;
2289  for (var i in nodes) {
2290    var d = nodes[i];
2291    if (d[1] == url) {
2292      return new Array(i);
2293    }
2294    else if (d[2] != null) {
2295      result = find_page(url, d[2]);
2296      if (result != null) {
2297        return (new Array(i).concat(result));
2298      }
2299    }
2300  }
2301  return null;
2302}
2303
2304function init_default_navtree(toroot) {
2305  init_navtree("tree-list", toroot, NAVTREE_DATA);
2306
2307  // perform api level toggling because because the whole tree is new to the DOM
2308  var selectedLevel = $("#apiLevelSelector option:selected").val();
2309  toggleVisisbleApis(selectedLevel, "#side-nav");
2310}
2311
2312function init_navtree(navtree_id, toroot, root_nodes)
2313{
2314  var me = new Object();
2315  me.toroot = toroot;
2316  me.node = new Object();
2317
2318  me.node.li = document.getElementById(navtree_id);
2319  me.node.children_data = root_nodes;
2320  me.node.children = new Array();
2321  me.node.children_ul = document.createElement("ul");
2322  me.node.get_children_ul = function() { return me.node.children_ul; };
2323  //me.node.children_ul.className = "children_ul";
2324  me.node.li.appendChild(me.node.children_ul);
2325  me.node.depth = 0;
2326
2327  get_node(me, me.node);
2328
2329  me.this_page = this_page_relative(toroot);
2330  me.breadcrumbs = find_page(me.this_page, root_nodes);
2331  if (me.breadcrumbs != null && me.breadcrumbs.length != 0) {
2332    var mom = me.node;
2333    for (var i in me.breadcrumbs) {
2334      var j = me.breadcrumbs[i];
2335      mom = mom.children[j];
2336      expand_node(me, mom);
2337    }
2338    mom.label_div.className = mom.label_div.className + " selected";
2339    addLoadEvent(function() {
2340      scrollIntoView("nav-tree");
2341      });
2342  }
2343}
2344
2345/* TODO: eliminate redundancy with non-google functions */
2346function init_google_navtree(navtree_id, toroot, root_nodes)
2347{
2348  var me = new Object();
2349  me.toroot = toroot;
2350  me.node = new Object();
2351
2352  me.node.li = document.getElementById(navtree_id);
2353  me.node.children_data = root_nodes;
2354  me.node.children = new Array();
2355  me.node.children_ul = document.createElement("ul");
2356  me.node.get_children_ul = function() { return me.node.children_ul; };
2357  //me.node.children_ul.className = "children_ul";
2358  me.node.li.appendChild(me.node.children_ul);
2359  me.node.depth = 0;
2360
2361  get_google_node(me, me.node);
2362
2363}
2364
2365function new_google_node(me, mom, text, link, children_data, api_level)
2366{
2367  var node = new Object();
2368  var child;
2369  node.children = Array();
2370  node.children_data = children_data;
2371  node.depth = mom.depth + 1;
2372  node.get_children_ul = function() {
2373      if (!node.children_ul) {
2374        node.children_ul = document.createElement("ul");
2375        node.children_ul.className = "tree-list-children";
2376        node.li.appendChild(node.children_ul);
2377      }
2378      return node.children_ul;
2379    };
2380  node.li = document.createElement("li");
2381
2382  mom.get_children_ul().appendChild(node.li);
2383
2384
2385  if(link) {
2386    child = document.createElement("a");
2387
2388  }
2389  else {
2390    child = document.createElement("span");
2391    child.className = "tree-list-subtitle";
2392
2393  }
2394  if (children_data != null) {
2395    node.li.className="nav-section";
2396    node.label_div = document.createElement("div");
2397    node.label_div.className = "nav-section-header-ref";
2398    node.li.appendChild(node.label_div);
2399    get_google_node(me, node);
2400    node.label_div.appendChild(child);
2401  }
2402  else {
2403    node.li.appendChild(child);
2404  }
2405  if(link) {
2406    child.href = me.toroot + link;
2407  }
2408  node.label = document.createTextNode(text);
2409  child.appendChild(node.label);
2410
2411  node.children_ul = null;
2412
2413  return node;
2414}
2415
2416function get_google_node(me, mom)
2417{
2418  mom.children_visited = true;
2419  var linkText;
2420  for (var i in mom.children_data) {
2421    var node_data = mom.children_data[i];
2422    linkText = node_data[0];
2423
2424    if(linkText.match("^"+"com.google.android")=="com.google.android"){
2425      linkText = linkText.substr(19, linkText.length);
2426    }
2427    else if(linkText.match("^"+"com.android")=="com.android"){
2428      linkText = linkText.substr(12, linkText.length);
2429    }
2430      mom.children[i] = new_google_node(me, mom, linkText, node_data[1],
2431          node_data[2], node_data[3]);
2432  }
2433}
2434function showGoogleRefTree() {
2435  init_default_google_navtree(toRoot);
2436  init_default_gcm_navtree(toRoot);
2437  resizeNav();
2438}
2439
2440
2441function showTradefedRefTree() {
2442  init_default_tradefed_navtree(toRoot);
2443  resizeNav();
2444}
2445
2446function init_default_google_navtree(toroot) {
2447  init_google_navtree("gms-tree-list", toroot, GMS_NAVTREE_DATA);
2448}
2449
2450function init_default_gcm_navtree(toroot) {
2451  init_google_navtree("gcm-tree-list", toroot, GCM_NAVTREE_DATA);
2452}
2453
2454function init_default_tradefed_navtree(toroot) {
2455  init_google_navtree("tradefed-tree-list", toroot, NAVTREE_DATA);
2456}
2457
2458/* TOGGLE INHERITED MEMBERS */
2459
2460/* Toggle an inherited class (arrow toggle)
2461 * @param linkObj  The link that was clicked.
2462 * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
2463 *                'null' to simply toggle.
2464 */
2465function toggleInherited(linkObj, expand) {
2466    var base = linkObj.getAttribute("id");
2467    var list = document.getElementById(base + "-list");
2468    var summary = document.getElementById(base + "-summary");
2469    var trigger = document.getElementById(base + "-trigger");
2470    var a = $(linkObj);
2471    if ( (expand == null && a.hasClass("closed")) || expand ) {
2472        list.style.display = "none";
2473        summary.style.display = "block";
2474        trigger.src = toRoot + "assets/images/triangle-opened.png";
2475        a.removeClass("closed");
2476        a.addClass("opened");
2477    } else if ( (expand == null && a.hasClass("opened")) || (expand == false) ) {
2478        list.style.display = "block";
2479        summary.style.display = "none";
2480        trigger.src = toRoot + "assets/images/triangle-closed.png";
2481        a.removeClass("opened");
2482        a.addClass("closed");
2483    }
2484    return false;
2485}
2486
2487/* Toggle all inherited classes in a single table (e.g. all inherited methods)
2488 * @param linkObj  The link that was clicked.
2489 * @param expand  'true' to ensure it's expanded. 'false' to ensure it's closed.
2490 *                'null' to simply toggle.
2491 */
2492function toggleAllInherited(linkObj, expand) {
2493  var a = $(linkObj);
2494  var table = $(a.parent().parent().parent()); // ugly way to get table/tbody
2495  var expandos = $(".jd-expando-trigger", table);
2496  if ( (expand == null && a.text() == "[Expand]") || expand ) {
2497    expandos.each(function(i) {
2498      toggleInherited(this, true);
2499    });
2500    a.text("[Collapse]");
2501  } else if ( (expand == null && a.text() == "[Collapse]") || (expand == false) ) {
2502    expandos.each(function(i) {
2503      toggleInherited(this, false);
2504    });
2505    a.text("[Expand]");
2506  }
2507  return false;
2508}
2509
2510/* Toggle all inherited members in the class (link in the class title)
2511 */
2512function toggleAllClassInherited() {
2513  var a = $("#toggleAllClassInherited"); // get toggle link from class title
2514  var toggles = $(".toggle-all", $("#body-content"));
2515  if (a.text() == "[Expand All]") {
2516    toggles.each(function(i) {
2517      toggleAllInherited(this, true);
2518    });
2519    a.text("[Collapse All]");
2520  } else {
2521    toggles.each(function(i) {
2522      toggleAllInherited(this, false);
2523    });
2524    a.text("[Expand All]");
2525  }
2526  return false;
2527}
2528
2529/* Expand all inherited members in the class. Used when initiating page search */
2530function ensureAllInheritedExpanded() {
2531  var toggles = $(".toggle-all", $("#body-content"));
2532  toggles.each(function(i) {
2533    toggleAllInherited(this, true);
2534  });
2535  $("#toggleAllClassInherited").text("[Collapse All]");
2536}
2537
2538
2539/* HANDLE KEY EVENTS
2540 * - Listen for Ctrl+F (Cmd on Mac) and expand all inherited members (to aid page search)
2541 */
2542var agent = navigator['userAgent'].toLowerCase();
2543var mac = agent.indexOf("macintosh") != -1;
2544
2545$(document).keydown( function(e) {
2546var control = mac ? e.metaKey && !e.ctrlKey : e.ctrlKey; // get ctrl key
2547  if (control && e.which == 70) {  // 70 is "F"
2548    ensureAllInheritedExpanded();
2549  }
2550});
2551