ginebra2/chrome/bedrockchrome/bookmarkview.superpage/bookmarkview.js
author hgs
Fri, 17 Sep 2010 12:11:40 -0400
changeset 12 afcd8e6d025b
parent 9 b39122337a00
child 14 6aeb7a756187
permissions -rw-r--r--
201037
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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var __prevOpenedBookmarkControl = null;
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var __previousSortEle = null;
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var __bookmarkCount= 0;
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var __dragendFlag = false;
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var __dogearSelected = false;
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var __timerValueLeft = 0;
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var __timerId = "";
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var __longPressEvent = false;
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// Set to the LongPress object that is currently waiting for activation,
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// ie. it has gotten a mouse-down event and has its timer running.
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var __currentLongPress;
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var __cancelLinkOpening = false;
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function _enableSorting(ele) {
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    // This is messy, why do we even need to do this sort/no-sort stuff???
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    $(ele).removeClass('no-sort');
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    $(ele).addClass('sort');
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	var evt = document.createEvent("MouseEvents");
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	evt.initMouseEvent("mousedown", true, true, window,
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	  0, 0, 0, gInitialX, gInitialY, false, false, false, false, 0, null);
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	var canceled = !ele.dispatchEvent(evt);
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  	views.WebView.gesturesEnabled = false;
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    $(ele).find(".dogEarBox").addClass('selected');
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    $(ele).find(".dogEar").addClass('selected');
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  __sortingEnabled = true;
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  __sortEleOffsetTop = ele.offsetTop;
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  __previousSortEle = ele;
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    $(ele).toggleClass('highlight');
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  }
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function _disableSorting(ele) {
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//    app.debug('disablesorting:'); printProp(ele);
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    views.WebView.gesturesEnabled = true;
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    $(ele).removeClass('sort');
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    $(ele).addClass('no-sort');
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    $(ele).find('.dogEarBox').removeClass('selected').addClass('closed');
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    $(ele).find('.dogEar').removeClass('selected').addClass('closed');
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    __sortingEnabled = false;
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    __sortEleOffsetTop = 0;
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    __previousSortEle = null;
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}
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function _dragInit()
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{
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    $("#bookmarkListTree").sortable({
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        placeholder: 'ui-state-highlight',
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        axis:'y',
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      cancel : 'li.no-sort',
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      scrollSensitivity : 40,
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      scrollSpeed : 40,
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        start: function(event, ui) {
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            __dragendFlag = true;
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            },
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      update: function(event, ui) {
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                var sortedBookmark = ui.item[0];
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                _disableSorting(sortedBookmark); // Unselect it
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                // If there's only one bookmark in the list, do nothing
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                if ($('#bookmarkListTree').children().length == 0)
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                    return;
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                var nextBookmark = $(sortedBookmark).next()[0];
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                var bm = window.bookmarksController.findBookmark(sortedBookmark.id);
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                // If it wasn't moved to the end, change the sortIndex to the next bookmark's sortIndex and the rest will propagate down
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                if (nextBookmark) {
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                    var nextbm = window.bookmarksController.findBookmark(nextBookmark.id);
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                    window.bookmarksController.reorderBookmark(sortedBookmark.id, nextbm.sortIndex);
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                }
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                // It was moved to the end, so change the sortIndex to the prev bookmark's sortIndex + 1
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                else {
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                    var prevBookmark = $(sortedBookmark).prev()[0];
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                    var prevbm = window.bookmarksController.findBookmark(prevBookmark.id);
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                    window.bookmarksController.reorderBookmark(sortedBookmark.id, prevbm.sortIndex+1);
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                }
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            }
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    });
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    $("#bookmarkListTree").sortable('enable');
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    $("#bookmarkListTree").disableSelection();
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}
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function _longPress(ele)
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{
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   __longPressEvent = true;
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   if(__timerId != "")
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   {
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       window.clearTimeout(__timerId);
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       __timerId = "";
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   }
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  if (__sortingEnabled)
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  {
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            _disableSorting(__previousSortEle)
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            return false;
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  }
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  if(__prevOpenedBookmarkControl)
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  	_bookmarkHideControl(__prevOpenedBookmarkControl);
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    if(!__dogearSelected)
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     _enableSorting(ele);
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}
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function _timeLeft()
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{
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   __timerValueLeft = 1;
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}
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function _longPressStarted(lp)
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{
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    __timerValueLeft = 0;
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    __longPressEvent = false;
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    if(!window.views.WebView.bedrockTiledBackingStoreEnabled())
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    {
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        __timerId = window.setTimeout("_timeLeft()",250);
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    }
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    else
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    {
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        __timerId = window.setTimeout("_timeLeft()",550);
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    }
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    // Remember the current LongPress object so we can cancel it if scrolling
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    // starts.
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    __currentLongPress = lp;
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    __cancelLinkOpening = false;
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}
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function _handlePanStarted(type)
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{
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		__cancelLinkOpening = true;
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    // Scrolling started, cancel the LongPress.
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      if (__currentLongPress != undefined) {
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        __currentLongPress.cancel();
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        __currentLongPress = undefined;
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    }
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}
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function _bookmarkHideControl(ele){
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    $(ele).find('.dogEarBox').addClass('closed');
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    $(ele).find('.dogEar').addClass('closed');
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    $(ele).find('.bookmarkItem').css('width', (parseInt(window.innerWidth)-70)+"px");
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}
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function _bookmarkToggleControls(event){
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    var ele = event.target;
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    try {
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        if(__timerId != "")
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        {
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        	window.clearTimeout(__timerId);
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        	__timerId = "";
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        }
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        if (__sortingEnabled && ele.parentNode.parentNode!=__previousSortEle)
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        {
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            _disableSorting(__previousSortEle)
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            return false;
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        }
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        else if (__sortingEnabled && (ele.parentNode.parentNode==__previousSortEle))
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        {
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            return false;
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        }
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        if(__timerValueLeft == 1 || __longPressEvent == true)
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        {
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            __timerValueLeft = 0;
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            __longPressEvent = false;
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            return false;
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        }
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        __timerValueLeft = 0;
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        var li = $(ele).parents('li');
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        var dogEarBox = li.find('.dogEarBox');
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        dogEarBox.toggleClass('closed');
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        dogEarBox.find('.dogEar').toggleClass('closed');
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        // It's too bad we can't do this via margin-right because then we could just do it in the .css file coz it would be a static value
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        if (dogEarBox.hasClass('closed')) {
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            li.find('.bookmarkItem').css('width', (parseInt(window.innerWidth)-70)+"px");
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        }
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        else {
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            li.find('.bookmarkItem').css('width', (parseInt(window.innerWidth)-220)+"px");
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        }
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        if (__prevOpenedBookmarkControl != null && __prevOpenedBookmarkControl != ele.parentNode.parentNode)
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            _bookmarkHideControl(__prevOpenedBookmarkControl);
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    }catch(e) { alert(e); }
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    __prevOpenedBookmarkControl = ele.parentNode.parentNode;
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}
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function _addNewBookmark(bmtitle,bmurl,bmid)
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{
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    // bookmark title/url may have been altered by the controller's add method (i.e. to include http://) so reload it
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    var bm = window.bookmarksController.findBookmark(bmid);
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    bmtitle = bm.title;
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    bmurl = bm.url;
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    if(__timerId != "")
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    {
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        window.clearTimeout(__timerId);
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        __timerId = "";
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    }
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	if(__prevOpenedBookmarkControl)
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  		_bookmarkHideControl(__prevOpenedBookmarkControl);
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    if(__previousSortEle    != null)
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        _disableSorting(__previousSortEle)
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    __bookmarkCount += 1;
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    //create element and add it to bookmark view
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    var ul=document.getElementById('bookmarkListTree');
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    var dbgTitle = bmtitle.replace(/'/g, "&#39");
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    dbgTitle = dbgTitle.replace(/"/g, "&#34");
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    var li = _createBookmarkElement(dbgTitle,bmurl,bmid);
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	$(li).addClass('no-sort');
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	ul.appendChild(li);
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    ul.childNodes[ul.childNodes.length-1].focus();
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    if (!window.views.WebView.bedrockTiledBackingStoreEnabled())
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        new LongPress(li.id, _longPress, _longPressStarted, 250);
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    else
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        new LongPress(li.id, _longPress, _longPressStarted, 550);
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    $('html, body').animate({
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                        scrollTop: 0}, 1000);
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}
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function _editBookmark(bmtitle,bmurl,bmid)
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{
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    if(__prevOpenedBookmarkControl)
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        _bookmarkHideControl(__prevOpenedBookmarkControl);
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    // bookmark title/url may have been altered by the controller's edit method (i.e. to include http://) so reload it
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    var bm = window.bookmarksController.findBookmark(bmid);
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    $('#'+bmid).find('.aTitle').text(bm.title);
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    $('#'+bmid).find('.aUrl').text(bm.url);
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}
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function _launchEditBookmark(r,bmtitle,bmurl,id)
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{
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    window.bookmarksController.showBookmarkEditDialog(bmtitle,bmurl,id);
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}
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function _deleteBookmark(r,bmid)
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{ 
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  window.bookmarksController.deleteBookmark(bmid);
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  $('#'+bmid).remove();
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}
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function _openUrl(ele, newUrl) {
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    if(__timerId != "")
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    {
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       window.clearTimeout(__timerId);
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        __timerId = "";
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    }
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    // DragStart & DragEnd listeners are defined at bottom
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    if (__sortingEnabled && (ele.parentNode!=__previousSortEle))
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    {
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        _disableSorting(__previousSortEle)
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        return false;
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    }
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    else if (__sortingEnabled && (ele.parentNode==__previousSortEle))
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        {
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            return false;
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        }
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    else if (__dragendFlag)
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    {
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        __dragendFlag = false;
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        return false;
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    }
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    else if(__cancelLinkOpening)
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    {
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    	__cancelLinkOpening = false;
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    	return false;
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    }
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    window.views.WebView.showNormalPage();
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    window.ViewStack.switchView( "WebView","BookmarkTreeView");
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    // Laod a page to chrome view
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    window.views.WebView.loadUrlToCurrentPage(newUrl);
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    views.WebView.gesturesEnabled = true;
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}
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function _updateBookmarkViewGoemetry(displayMode)
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{
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    // It's too bad we couldn't use margin-right instead of width coz then we could just put a static value in the .css file and not even need to do anything
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    $('.dogEarBox.closed').next('.bookmarkItem').css('width', (parseInt(window.innerWidth)-70)+"px");
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    $('.dogEarBox').not('.closed').next('.bookmarkItem').css('width', (parseInt(window.innerWidth)-220)+"px");
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}
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function _setDogear()
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{
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	__dogearSelected = true;
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}
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function _unsetDogear()
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{
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	__dogearSelected = false;
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}
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function _createBookmarkElement(bmtitle,bmfullurl,idValue)
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{
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        var _width = parseInt(window.innerWidth)-70;
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        var escapedTitle = bmtitle.replace(/&#39/g, "\\'"); 
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        var li=document.createElement('li');
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        li.id = idValue;
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        li.innerHTML =
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        '<div class="dogEarBox closed">'+ // bookmarkBox
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          '<div class="dogEar closed"></div>'+
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          '<img class="bookmarkEditBtn" src="icons/edit_btn.png" width="56" height="56" vspace="7" hspace="5">'+
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          '<img class="bookmarkDeleteBtn" src="icons/delete_btn.png" width="56" height="56" vspace="7" hspace="5" >'+
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        '</div>'+
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        '<div class="bookmarkItem" style="width:'+_width+'px;">'+
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          '<span class="aTitle">'+bmtitle+'</span>'+
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          '<br/>'+
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          '<span class="aUrl">'+bmfullurl+'</span>'+
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        '</div>';
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        $(li).find(".dogEar")
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               .click(_bookmarkToggleControls)
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               .mouseover(_setDogear)
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               .mouseout(_unsetDogear);
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        $(li).find(".bookmarkItem").
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               click(function (event) {_openUrl(event.target, bmfullurl);});
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        $(li).find(".bookmarkEditBtn").
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               click(function (event) {_launchEditBookmark(event.target, bmtitle, bmfullurl, idValue);});
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        $(li).find(".bookmarkDeleteBtn").
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               click(function (event) {_deleteBookmark(event.target, idValue);});
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        return li;
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}
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function _createBookmarkView()
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{
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        try
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        {
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            __currentLongPress = undefined;
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            //Get bookmarks data from database
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            window.bookmarksController.findAllBookmarks();
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            var ul=document.getElementById('bookmarkListTree');
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            while (window.bookmarksController.hasMoreBookmarks())
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            {
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                var bm = window.bookmarksController.nextBookmark();
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                var bmurl = bm.url;
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                var bmtitle = bm.title;
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                var id = bm.id;
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                //create element and add it to bookmark view
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                var li = _createBookmarkElement(bmtitle,bmurl,id);
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                $(li).addClass('no-sort');
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                ul.appendChild(li);
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                ul.childNodes[0].focus();
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                if (!window.views.WebView.bedrockTiledBackingStoreEnabled())
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                    new LongPress(li.id, _longPress, _longPressStarted, 250);
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                else
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                    new LongPress(li.id, _longPress, _longPressStarted, 550);
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                __bookmarkCount++;
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            }
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        } catch(E) { alert(E); }
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        _dragInit();
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}
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function launchBookmarkView()
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{
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    try{
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        window.chrome.aspectChanged.connect(_updateBookmarkViewGoemetry);
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        window.bookmarksController.bookmarkAdded.connect(_addNewBookmark);
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        window.bookmarksController.bookmarkModified.connect(_editBookmark);
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        // Get Bookmarks from the database
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        _createBookmarkView();
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3
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        // Watch for the start of scrolling in the view so we can cancel the
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        // long presses to prevent them from interfere with scrolling.  Otherwise
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        // the long press callback will fire and trigger sortable mode.
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        views.WebView.startingPanGesture.connect(_handlePanStarted);
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    }catch(e){ alert(e); }
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}