The Tor Browser: accessible/tests/mochitest/treeview.js@97036ab72558 (annotated)

accessible/tests/mochitest/treeview.js@97036ab72558 (annotated)

accessible/tests/mochitest/treeview.js

Tue, 06 Jan 2015 21:39:09 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 06 Jan 2015 21:39:09 +0100
branch: TOR_BUG_9701
changeset 8: 97036ab72558
permissions: -rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 /**
  * Helper method to start a single XUL tree test.
  */
 function loadXULTreeAndDoTest(aDoTestFunc, aTreeID, aTreeView)
 {
   var doTestFunc = aDoTestFunc ? aDoTestFunc : gXULTreeLoadContext.doTestFunc;
   var treeID = aTreeID ? aTreeID : gXULTreeLoadContext.treeID;
   var treeView = aTreeView ? aTreeView : gXULTreeLoadContext.treeView;
   function loadXULTree(aTreeID, aTreeView)
   {
     this.treeNode = getNode(aTreeID);
     this.eventSeq = [
       new invokerChecker(EVENT_REORDER, this.treeNode)
     ];
     this.invoke = function loadXULTree_invoke()
     {
       this.treeNode.treeBoxObject.view = aTreeView;
     }
     this.getID = function loadXULTree_getID()
     {
       return "Load XUL tree " + prettyName(aTreeID);
     }
   }
   gXULTreeLoadContext.queue = new eventQueue();
   gXULTreeLoadContext.queue.push(new loadXULTree(treeID, treeView));
   gXULTreeLoadContext.queue.onFinish = function()
   {
     SimpleTest.executeSoon(doTestFunc);
     return DO_NOT_FINISH_TEST;
   }
   gXULTreeLoadContext.queue.invoke();
 }
 /**
  * Analogy of addA11yLoadEvent, nice helper to load XUL tree and start the test.
  */
 function addA11yXULTreeLoadEvent(aDoTestFunc, aTreeID, aTreeView)
 {
   gXULTreeLoadContext.doTestFunc = aDoTestFunc;
   gXULTreeLoadContext.treeID = aTreeID;
   gXULTreeLoadContext.treeView = aTreeView;
   addA11yLoadEvent(loadXULTreeAndDoTest);
 }
 function nsTableTreeView(aRowCount)
 {
   this.__proto__ = new nsTreeView();
   for (var idx = 0; idx < aRowCount; idx++)
     this.mData.push(new treeItem("row" + String(idx) + "_"));
 }
 function nsTreeTreeView()
 {
   this.__proto__ = new nsTreeView();
   this.mData = [
     new treeItem("row1"),
     new treeItem("row2_", true, [new treeItem("row2.1_"), new treeItem("row2.2_")]),
     new treeItem("row3_", false, [new treeItem("row3.1_"), new treeItem("row3.2_")]),
     new treeItem("row4")
   ];
 }
 function nsTreeView()
 {
   this.mTree = null;
   this.mData = [];
 }
 nsTreeView.prototype =
 {
   //////////////////////////////////////////////////////////////////////////////
   // nsITreeView implementation
   get rowCount()
   {
     return this.getRowCountIntl(this.mData);
   },
   setTree: function setTree(aTree)
   {
     this.mTree = aTree;
   },
   getCellText: function getCellText(aRow, aCol)
   {
     var data = this.getDataForIndex(aRow);
     if (aCol.id in data.colsText)
       return data.colsText[aCol.id];
     return data.text + aCol.id;
   },
   getCellValue: function getCellValue(aRow, aCol)
   {
     var data = this.getDataForIndex(aRow);
     return data.value;
   },
   getRowProperties: function getRowProperties(aIndex) { return ""; },
   getCellProperties: function getCellProperties(aIndex, aCol)
   {
     if (!aCol.cycler)
       return "";
     var data = this.getDataForIndex(aIndex);
     return this.mCyclerStates[data.cyclerState];
   },
   getColumnProperties: function getColumnProperties(aCol) { return ""; },
   getParentIndex: function getParentIndex(aRowIndex)
   {
     var info = this.getInfoByIndex(aRowIndex);
     return info.parentIndex;
   },
   hasNextSibling: function hasNextSibling(aRowIndex, aAfterIndex) { },
   getLevel: function getLevel(aIndex)
   {
     var info = this.getInfoByIndex(aIndex);
     return info.level;
   },
   getImageSrc: function getImageSrc(aRow, aCol) {},
   getProgressMode: function getProgressMode(aRow, aCol) {},
   isContainer: function isContainer(aIndex)
   {
     var data = this.getDataForIndex(aIndex);
     return data.open != undefined;
   },
   isContainerOpen: function isContainerOpen(aIndex)
   {
     var data = this.getDataForIndex(aIndex);
     return data.open;
   },
   isContainerEmpty: function isContainerEmpty(aIndex)
   {
     var data = this.getDataForIndex(aIndex);
     return data.open == undefined;
   },
   isSeparator: function isSeparator(aIndex) {},
   isSorted: function isSorted() {},
   toggleOpenState: function toggleOpenState(aIndex)
   {
     var data = this.getDataForIndex(aIndex);
     data.open = !data.open;
     var rowCount = this.getRowCountIntl(data.children);
     if (data.open)
       this.mTree.rowCountChanged(aIndex + 1, rowCount);
     else
       this.mTree.rowCountChanged(aIndex + 1, -rowCount);
   },
   selectionChanged: function selectionChanged() {},
   cycleHeader: function cycleHeader(aCol) {},
   cycleCell: function cycleCell(aRow, aCol)
   {
     var data = this.getDataForIndex(aRow);
     data.cyclerState = (data.cyclerState + 1) % 3;
     this.mTree.invalidateCell(aRow, aCol);
   },
   isEditable: function isEditable(aRow, aCol)
   {
     return true;
   },
   isSelectable: function isSelectable(aRow, aCol) {},
   setCellText: function setCellText(aRow, aCol, aValue)
   {
     var data = this.getDataForIndex(aRow);
     data.colsText[aCol.id] = aValue;
   },
   setCellValue: function setCellValue(aRow, aCol, aValue)
   {
     var data = this.getDataForIndex(aRow);
     data.value = aValue;
     this.mTree.invalidateCell(aRow, aCol);
   },
   performAction: function performAction(aAction) {},
   performActionOnRow: function performActionOnRow(aAction, aRow) {},
   performActionOnCell: function performActionOnCell(aAction, aRow, aCol) {},
   //////////////////////////////////////////////////////////////////////////////
   // public implementation
   appendItem: function appendItem(aText)
   {
     this.mData.push(new treeItem(aText));
   },
   //////////////////////////////////////////////////////////////////////////////
   // private implementation
   getDataForIndex: function getDataForIndex(aRowIndex)
   {
     return this.getInfoByIndex(aRowIndex).data;
   },
   getInfoByIndex: function getInfoByIndex(aRowIndex)
   {
     var info = {
       data: null,
       parentIndex: -1,
       level: 0,
       index: -1
     };
     this.getInfoByIndexIntl(aRowIndex, info, this.mData, 0);
     return info;
   },
   getRowCountIntl: function getRowCountIntl(aChildren)
   {
     var rowCount = 0;
     for (var childIdx = 0; childIdx < aChildren.length; childIdx++) {
       rowCount++;
       var data = aChildren[childIdx];
       if (data.open)
         rowCount += this.getRowCountIntl(data.children);
     }
     return rowCount;
   },
   getInfoByIndexIntl: function getInfoByIndexIntl(aRowIdx, aInfo,
                                                   aChildren, aLevel)
   {
     var rowIdx = aRowIdx;
     for (var childIdx = 0; childIdx < aChildren.length; childIdx++) {
       var data = aChildren[childIdx];
       aInfo.index++;
       if (rowIdx == 0) {
         aInfo.data = data;
         aInfo.level = aLevel;
         return -1;
       }
       if (data.open) {
         var parentIdx = aInfo.index;
         rowIdx = this.getInfoByIndexIntl(rowIdx - 1, aInfo, data.children,
                                          aLevel + 1);
         if (rowIdx == -1) {
           if (aInfo.parentIndex == -1)
             aInfo.parentIndex = parentIdx;
           return 0;
         }
       } else {
         rowIdx--;
       }
     }
     return rowIdx;
   },
   mCyclerStates: [
     "cyclerState1",
     "cyclerState2",
     "cyclerState3"
   ]
 };
 function treeItem(aText, aOpen, aChildren)
 {
   this.text = aText;
   this.colsText = {};
   this.open = aOpen;
   this.value = "true";
   this.cyclerState = 0;
   if (aChildren)
     this.children = aChildren;
 }
 function createAtom(aName)
 {
   return Components.classes["@mozilla.org/atom-service;1"]
     .getService(Components.interfaces.nsIAtomService).getAtom(aName);
 }
 /**
  * Used in conjunction with loadXULTreeAndDoTest and addA11yXULTreeLoadEvent.
  */
 var gXULTreeLoadContext =
 {
   doTestFunc: null,
   treeID: null,
   treeView: null,
   queue: null
 };