1 files changed, 273 insertions, 0 deletions
diff --git a/accessible/tests/mochitest/treeview.js b/accessible/tests/mochitest/treeview.js
new file mode 100644
index 0000000000..5dc3b595d8
--- /dev/null
+++ b/accessible/tests/mochitest/treeview.js
@@ -0,0 +1,273 @@
+/* import-globals-from common.js */
+/* import-globals-from events.js */
+
+/**
+ * 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;
+
+  let treeNode = getNode(treeID);
+
+  gXULTreeLoadContext.queue = new eventQueue();
+  gXULTreeLoadContext.queue.push({
+    treeNode,
+
+    eventSeq: [new invokerChecker(EVENT_REORDER, treeNode)],
+
+    invoke() {
+      this.treeNode.view = treeView;
+    },
+
+    getID() {
+      return "Load XUL tree " + prettyName(treeID);
+    },
+  });
+  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) {},
+  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;
+  },
+  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);
+  },
+
+  // ////////////////////////////////////////////////////////////////////////////
+  // 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;
+  }
+}
+
+/**
+ * Used in conjunction with loadXULTreeAndDoTest and addA11yXULTreeLoadEvent.
+ */
+var gXULTreeLoadContext = {
+  doTestFunc: null,
+  treeID: null,
+  treeView: null,
+  queue: null,
+};