Attachment 346859 Details for Bug 188449 – Patch

[patch] Patch

bug-188449-20180809132624.patch (text/plain), 26.37 KB, created by Matt Baker on 2018-08-09 13:26:27 PDT

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Creator: Matt Baker

Created: 2018-08-09 13:26:27 PDT

Size: 26.37 KB

patch

obsolete

>Subversion Revision: 234663
>diff --git a/Source/WebInspectorUI/ChangeLog b/Source/WebInspectorUI/ChangeLog
>index 820799fa624db38645d99638d448cab42449bdd4..65f2d34f21e2d3432a53e3fc0b81bb6718ce5a88 100644
>--- a/Source/WebInspectorUI/ChangeLog
>+++ b/Source/WebInspectorUI/ChangeLog
>@@ -1,3 +1,32 @@
>+2018-08-09  Matt Baker  <mattbaker@apple.com>
>+
>+        Web Inspector: Remove TreeOutlineDataGridSynchronizer
>+        https://bugs.webkit.org/show_bug.cgi?id=188449
>+        <rdar://problem/43107980>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * UserInterface/Views/HeapAllocationsTimelineView.js:
>+        (WI.HeapAllocationsTimelineView.prototype.layout):
>+        * UserInterface/Views/LayoutTimelineView.js:
>+        (WI.LayoutTimelineView.prototype._processPendingRecords):
>+        * UserInterface/Views/NetworkTimelineView.js:
>+        (WI.NetworkTimelineView.prototype._processPendingRecords):
>+        * UserInterface/Views/RenderingFrameTimelineView.js:
>+        (WI.RenderingFrameTimelineView.prototype._processPendingRecords):
>+        * UserInterface/Views/ScriptDetailsTimelineView.js:
>+        (WI.ScriptDetailsTimelineView.prototype._processPendingRecords):
>+        * UserInterface/Views/TimelineDataGrid.js:
>+        (WI.TimelineDataGrid):
>+        (WI.TimelineDataGrid.prototype.reset):
>+        (WI.TimelineDataGrid.prototype.shown):
>+        (WI.TimelineDataGrid.prototype.addRowInSortOrder):
>+        (WI.TimelineDataGrid.prototype._refreshDirtyDataGridNodes):
>+        (WI.TimelineDataGrid.prototype._sort):
>+        (WI.TimelineDataGrid.prototype.treeElementForDataGridNode): Deleted.
>+        (WI.TimelineDataGrid.prototype.dataGridNodeForTreeElement): Deleted.
>+        * UserInterface/Views/TreeOutlineDataGridSynchronizer.js: Removed.
>+
> 2018-08-07  Joseph Pecoraro  <pecoraro@apple.com>
> 
>         Web Inspector: Add another Protocol Version (iOS 12)
>diff --git a/Source/WebInspectorUI/UserInterface/Views/HeapAllocationsTimelineView.js b/Source/WebInspectorUI/UserInterface/Views/HeapAllocationsTimelineView.js
>index 762f92bcc0049bf6f56517aa1ef8157caccb3aef..73a604c7fbb4cfb0a2d476a5ff3410715a4c28d0 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/HeapAllocationsTimelineView.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/HeapAllocationsTimelineView.js
>@@ -268,7 +268,7 @@ WI.HeapAllocationsTimelineView = class HeapAllocationsTimelineView extends WI.Ti
>         if (this._pendingRecords.length) {
>             for (let heapAllocationsTimelineRecord of this._pendingRecords) {
>                 let dataGridNode = new WI.HeapAllocationsTimelineDataGridNode(heapAllocationsTimelineRecord, this.zeroTime, this);
>-                this._dataGrid.addRowInSortOrder(null, dataGridNode);
>+                this._dataGrid.addRowInSortOrder(dataGridNode);
>                 if (!this.zeroTime)
>                     this._pendingZeroTimeDataGridNodes.push(dataGridNode);
>             }
>diff --git a/Source/WebInspectorUI/UserInterface/Views/LayoutTimelineView.js b/Source/WebInspectorUI/UserInterface/Views/LayoutTimelineView.js
>index eed8dd3ed5fa292f94ada36e72e0de3339094798..c117240cc919e7ff5cdb15648f6f4f117e2ff06e 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/LayoutTimelineView.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/LayoutTimelineView.js
>@@ -203,7 +203,7 @@ WI.LayoutTimelineView = class LayoutTimelineView extends WI.TimelineView
>         for (var layoutTimelineRecord of this._pendingRecords) {
>             let dataGridNode = new WI.LayoutTimelineDataGridNode(layoutTimelineRecord, this.zeroTime);
> 
>-            this._dataGrid.addRowInSortOrder(null, dataGridNode);
>+            this._dataGrid.addRowInSortOrder(dataGridNode);
> 
>             let stack = [{children: layoutTimelineRecord.children, parentDataGridNode: dataGridNode, index: 0}];
>             while (stack.length) {
>@@ -218,7 +218,7 @@ WI.LayoutTimelineView = class LayoutTimelineView extends WI.TimelineView
> 
>                 let childDataGridNode = new WI.LayoutTimelineDataGridNode(childRecord, this.zeroTime);
>                 console.assert(entry.parentDataGridNode, "Missing parent node for entry.", entry);
>-                this._dataGrid.addRowInSortOrder(null, childDataGridNode, entry.parentDataGridNode);
>+                this._dataGrid.addRowInSortOrder(childDataGridNode, entry.parentDataGridNode);
> 
>                 if (childDataGridNode && childRecord.children.length)
>                     stack.push({children: childRecord.children, parentDataGridNode: childDataGridNode, index: 0});
>diff --git a/Source/WebInspectorUI/UserInterface/Views/NetworkTimelineView.js b/Source/WebInspectorUI/UserInterface/Views/NetworkTimelineView.js
>index 880e481b938c70a84497a577a75b10c8fcfa7d9a..2bce76e0f4ff22af15519f6aae8932ae09ebec7b 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/NetworkTimelineView.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/NetworkTimelineView.js
>@@ -259,7 +259,7 @@ WI.NetworkTimelineView = class NetworkTimelineView extends WI.TimelineView
>             dataGridNode = new WI.ResourceTimelineDataGridNode(resourceTimelineRecord, includesGraph, this, shouldShowPopover);
>             this._resourceDataGridNodeMap.set(resourceTimelineRecord.resource, dataGridNode);
> 
>-            this._dataGrid.addRowInSortOrder(null, dataGridNode);
>+            this._dataGrid.addRowInSortOrder(dataGridNode);
>         }
> 
>         this._pendingRecords = [];
>diff --git a/Source/WebInspectorUI/UserInterface/Views/RenderingFrameTimelineView.js b/Source/WebInspectorUI/UserInterface/Views/RenderingFrameTimelineView.js
>index f839e11dd4440bc7039e76a41271dd7f09a37ec6..8a06cbf58332ce8e0cd970c9a5ea87c450967a89 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/RenderingFrameTimelineView.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/RenderingFrameTimelineView.js
>@@ -240,7 +240,7 @@ WI.RenderingFrameTimelineView = class RenderingFrameTimelineView extends WI.Time
>             console.assert(renderingFrameTimelineRecord instanceof WI.RenderingFrameTimelineRecord);
> 
>             let dataGridNode = new WI.RenderingFrameTimelineDataGridNode(renderingFrameTimelineRecord, this.zeroTime);
>-            this._dataGrid.addRowInSortOrder(null, dataGridNode);
>+            this._dataGrid.addRowInSortOrder(dataGridNode);
> 
>             let stack = [{children: renderingFrameTimelineRecord.children, parentDataGridNode: dataGridNode, index: 0}];
>             while (stack.length) {
>@@ -255,7 +255,7 @@ WI.RenderingFrameTimelineView = class RenderingFrameTimelineView extends WI.Time
>                 if (childRecord.type === WI.TimelineRecord.Type.Layout) {
>                     childDataGridNode = new WI.LayoutTimelineDataGridNode(childRecord, this.zeroTime);
> 
>-                    this._dataGrid.addRowInSortOrder(null, childDataGridNode, entry.parentDataGridNode);
>+                    this._dataGrid.addRowInSortOrder(childDataGridNode, entry.parentDataGridNode);
>                 } else if (childRecord.type === WI.TimelineRecord.Type.Script) {
>                     let rootNodes = [];
>                     if (childRecord.profile) {
>@@ -265,11 +265,11 @@ WI.RenderingFrameTimelineView = class RenderingFrameTimelineView extends WI.Time
> 
>                     childDataGridNode = new WI.ScriptTimelineDataGridNode(childRecord, this.zeroTime);
> 
>-                    this._dataGrid.addRowInSortOrder(null, childDataGridNode, entry.parentDataGridNode);
>+                    this._dataGrid.addRowInSortOrder(childDataGridNode, entry.parentDataGridNode);
> 
>                     for (let profileNode of rootNodes) {
>                         let profileNodeDataGridNode = new WI.ProfileNodeDataGridNode(profileNode, this.zeroTime, this.startTime, this.endTime);
>-                        this._dataGrid.addRowInSortOrder(null, profileNodeDataGridNode, childDataGridNode);
>+                        this._dataGrid.addRowInSortOrder(profileNodeDataGridNode, childDataGridNode);
>                     }
>                 }
> 
>diff --git a/Source/WebInspectorUI/UserInterface/Views/ScriptDetailsTimelineView.js b/Source/WebInspectorUI/UserInterface/Views/ScriptDetailsTimelineView.js
>index daafe10e8f9ffc64e08de7a361566dfe2db5d125..88c392c0158cf5027febada68ab6a73a83e2ee8e 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/ScriptDetailsTimelineView.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/ScriptDetailsTimelineView.js
>@@ -211,11 +211,11 @@ WI.ScriptDetailsTimelineView = class ScriptDetailsTimelineView extends WI.Timeli
>             }
> 
>             let dataGridNode = new WI.ScriptTimelineDataGridNode(scriptTimelineRecord, zeroTime);
>-            this._dataGrid.addRowInSortOrder(null, dataGridNode);
>+            this._dataGrid.addRowInSortOrder(dataGridNode);
> 
>             for (let profileNode of rootNodes) {
>                 let profileNodeDataGridNode = new WI.ProfileNodeDataGridNode(profileNode, zeroTime, startTime, endTime);
>-                this._dataGrid.addRowInSortOrder(null, profileNodeDataGridNode, dataGridNode);
>+                this._dataGrid.addRowInSortOrder(profileNodeDataGridNode, dataGridNode);
>             }
>         }
> 
>diff --git a/Source/WebInspectorUI/UserInterface/Views/TimelineDataGrid.js b/Source/WebInspectorUI/UserInterface/Views/TimelineDataGrid.js
>index d481f3814fb7e5be84da84a84d65e50578c93ea9..63edac6c94ea596a18d74af020c4a3ace52a1fe7 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/TimelineDataGrid.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/TimelineDataGrid.js
>@@ -25,13 +25,10 @@
> 
> WI.TimelineDataGrid = class TimelineDataGrid extends WI.DataGrid
> {
>-    constructor(columns, treeOutline, synchronizerDelegate, editCallback, deleteCallback)
>+    constructor(columns, editCallback, deleteCallback)
>     {
>         super(columns, editCallback, deleteCallback);
> 
>-        if (treeOutline)
>-            this._treeOutlineDataGridSynchronizer = new WI.TreeOutlineDataGridSynchronizer(treeOutline, this, synchronizerDelegate);
>-
>         this.element.classList.add("timeline");
> 
>         this._sortDelegate = null;
>@@ -101,8 +98,7 @@ WI.TimelineDataGrid = class TimelineDataGrid extends WI.DataGrid
>     {
>         // May be overridden by subclasses. If so, they should call the superclass.
> 
>-        if (!this._treeOutlineDataGridSynchronizer)
>-            this.removeChildren();
>+        this.removeChildren();
> 
>         this._hidePopover();
>     }
>@@ -110,9 +106,6 @@ WI.TimelineDataGrid = class TimelineDataGrid extends WI.DataGrid
>     shown()
>     {
>         // May be overridden by subclasses. If so, they should call the superclass.
>-
>-        if (this._treeOutlineDataGridSynchronizer)
>-            this._treeOutlineDataGridSynchronizer.synchronize();
>     }
> 
>     hidden()
>@@ -122,61 +115,21 @@ WI.TimelineDataGrid = class TimelineDataGrid extends WI.DataGrid
>         this._hidePopover();
>     }
> 
>-    treeElementForDataGridNode(dataGridNode)
>-    {
>-        if (!this._treeOutlineDataGridSynchronizer)
>-            return null;
>-
>-        return this._treeOutlineDataGridSynchronizer.treeElementForDataGridNode(dataGridNode);
>-    }
>-
>-    dataGridNodeForTreeElement(treeElement)
>-    {
>-        if (!this._treeOutlineDataGridSynchronizer)
>-            return null;
>-
>-        return this._treeOutlineDataGridSynchronizer.dataGridNodeForTreeElement(treeElement);
>-    }
>-
>     callFramePopoverAnchorElement()
>     {
>         // Implemented by subclasses.
>         return null;
>     }
> 
>-    addRowInSortOrder(treeElement, dataGridNode, parentTreeElementOrDataGridNode)
>+    addRowInSortOrder(dataGridNode, parentDataGridNode)
>     {
>-        let parentDataGridNode;
>-        let childElement = dataGridNode;
>-
>-        if (treeElement) {
>-            console.assert(this._treeOutlineDataGridSynchronizer);
>-            if (!this._treeOutlineDataGridSynchronizer)
>-                return;
>-
>-            this._treeOutlineDataGridSynchronizer.associate(treeElement, dataGridNode);
>-
>-            console.assert(!parentTreeElementOrDataGridNode || parentTreeElementOrDataGridNode instanceof WI.TreeElement);
>-
>-            let parentTreeElement = parentTreeElementOrDataGridNode || this._treeOutlineDataGridSynchronizer.treeOutline;
>-            parentDataGridNode = parentTreeElement.root ? this : this._treeOutlineDataGridSynchronizer.dataGridNodeForTreeElement(parentTreeElement);
>-
>-            parentTreeElementOrDataGridNode = parentTreeElement;
>-            childElement = treeElement;
>-        } else {
>-            parentTreeElementOrDataGridNode = parentTreeElementOrDataGridNode || this;
>-            parentDataGridNode = parentTreeElementOrDataGridNode;
>-        }
>+        parentDataGridNode = parentDataGridNode || this;
> 
>         if (this.sortColumnIdentifier) {
>             let insertionIndex = insertionIndexForObjectInListSortedByFunction(dataGridNode, parentDataGridNode.children, this._sortComparator.bind(this));
>-
>-            // If parent is a tree element, the synchronizer will insert into the data grid.
>-            parentTreeElementOrDataGridNode.insertChild(childElement, insertionIndex);
>-        } else {
>-            // If parent is a tree element, the synchronizer will append to the data grid.
>-            parentTreeElementOrDataGridNode.appendChild(childElement);
>-        }
>+            parentDataGridNode.insertChild(dataGridNode, insertionIndex);
>+        } else
>+            parentDataGridNode.appendChild(dataGridNode);
>     }
> 
>     shouldIgnoreSelectionEvent()
>@@ -236,9 +189,6 @@ WI.TimelineDataGrid = class TimelineDataGrid extends WI.DataGrid
>         let selectedNode = this.selectedNode;
>         let sortComparator = this._sortComparator.bind(this);
> 
>-        if (this._treeOutlineDataGridSynchronizer)
>-            this._treeOutlineDataGridSynchronizer.enabled = false;
>-
>         for (let dataGridNode of this._dirtyDataGridNodes) {
>             dataGridNode.refresh();
> 
>@@ -259,24 +209,8 @@ WI.TimelineDataGrid = class TimelineDataGrid extends WI.DataGrid
>                 selectedNode.revealAndSelect();
>                 this._ignoreSelectionEvent = false;
>             }
>-
>-            if (!this._treeOutlineDataGridSynchronizer)
>-                continue;
>-
>-            let treeOutline = this._treeOutlineDataGridSynchronizer.treeOutline;
>-            let treeElement = this._treeOutlineDataGridSynchronizer.treeElementForDataGridNode(dataGridNode);
>-            console.assert(treeElement);
>-
>-            treeOutline.reattachIfIndexChanged(treeElement, insertionIndex);
>-
>-            // Adding the tree element back to the tree outline subjects it to filters.
>-            // Make sure we keep the hidden state in-sync while the synchronizer is disabled.
>-            dataGridNode.element.classList.toggle("hidden", treeElement.hidden);
>         }
> 
>-        if (this._treeOutlineDataGridSynchronizer)
>-            this._treeOutlineDataGridSynchronizer.enabled = true;
>-
>         this._dirtyDataGridNodes = null;
>     }
> 
>@@ -292,15 +226,6 @@ WI.TimelineDataGrid = class TimelineDataGrid extends WI.DataGrid
>         let selectedNode = this.selectedNode;
>         this._ignoreSelectionEvent = true;
> 
>-        let treeOutline;
>-        if (this._treeOutlineDataGridSynchronizer) {
>-            this._treeOutlineDataGridSynchronizer.enabled = false;
>-
>-            treeOutline = this._treeOutlineDataGridSynchronizer.treeOutline;
>-            if (treeOutline.selectedTreeElement)
>-                treeOutline.selectedTreeElement.deselect(true);
>-        }
>-
>         // Collect parent nodes that need their children sorted. So this in two phases since
>         // traverseNextNode would get confused if we sort the tree while traversing it.
>         let parentDataGridNodes = [this];
>@@ -315,37 +240,12 @@ WI.TimelineDataGrid = class TimelineDataGrid extends WI.DataGrid
>         for (let parentDataGridNode of parentDataGridNodes) {
>             let childDataGridNodes = parentDataGridNode.children.slice();
>             parentDataGridNode.removeChildren();
>-
>-            let parentTreeElement;
>-            if (this._treeOutlineDataGridSynchronizer) {
>-                parentTreeElement = parentDataGridNode === this ? treeOutline : this._treeOutlineDataGridSynchronizer.treeElementForDataGridNode(parentDataGridNode);
>-                console.assert(parentTreeElement);
>-
>-                parentTreeElement.removeChildren();
>-            }
>-
>             childDataGridNodes.sort(this._sortComparator.bind(this));
> 
>-            for (let dataGridNode of childDataGridNodes) {
>-                if (this._treeOutlineDataGridSynchronizer) {
>-                    let treeElement = this._treeOutlineDataGridSynchronizer.treeElementForDataGridNode(dataGridNode);
>-                    console.assert(treeElement);
>-
>-                    if (parentTreeElement)
>-                        parentTreeElement.appendChild(treeElement);
>-
>-                    // Adding the tree element back to the tree outline subjects it to filters.
>-                    // Make sure we keep the hidden state in-sync while the synchronizer is disabled.
>-                    dataGridNode.element.classList.toggle("hidden", treeElement.hidden);
>-                }
>-
>+            for (let dataGridNode of childDataGridNodes)
>                 parentDataGridNode.appendChild(dataGridNode);
>-            }
>         }
> 
>-        if (this._treeOutlineDataGridSynchronizer)
>-            this._treeOutlineDataGridSynchronizer.enabled = true;
>-
>         if (selectedNode)
>             selectedNode.revealAndSelect();
> 
>diff --git a/Source/WebInspectorUI/UserInterface/Views/TreeOutlineDataGridSynchronizer.js b/Source/WebInspectorUI/UserInterface/Views/TreeOutlineDataGridSynchronizer.js
>deleted file mode 100644
>index 5eec2854cbc3b1d4cb5f7396aee5d3b10c1c4c0d..0000000000000000000000000000000000000000
>--- a/Source/WebInspectorUI/UserInterface/Views/TreeOutlineDataGridSynchronizer.js
>+++ /dev/null
>@@ -1,284 +0,0 @@
>-/*
>- * Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- *
>- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>- * THE POSSIBILITY OF SUCH DAMAGE.
>- */
>-
>-WI.TreeOutlineDataGridSynchronizer = class TreeOutlineDataGridSynchronizer extends WI.Object
>-{
>-    constructor(treeOutline, dataGrid, delegate)
>-    {
>-        super();
>-
>-        this._treeOutline = treeOutline;
>-        this._dataGrid = dataGrid;
>-        this._delegate = delegate || null;
>-        this._enabled = true;
>-
>-        this._treeOutline.element.parentNode.addEventListener("scroll", this._treeOutlineScrolled.bind(this));
>-        this._dataGrid.scrollContainer.addEventListener("scroll", this._dataGridScrolled.bind(this));
>-
>-        this._treeOutline.__dataGridNode = this._dataGrid;
>-
>-        this._dataGrid.addEventListener(WI.DataGrid.Event.ExpandedNode, this._dataGridNodeExpanded, this);
>-        this._dataGrid.addEventListener(WI.DataGrid.Event.CollapsedNode, this._dataGridNodeCollapsed, this);
>-        this._dataGrid.addEventListener(WI.DataGrid.Event.SelectedNodeChanged, this._dataGridNodeSelected, this);
>-
>-        this._dataGrid.element.addEventListener("focus", this._dataGridGainedFocus.bind(this));
>-        this._dataGrid.element.addEventListener("blur", this._dataGridLostFocus.bind(this));
>-
>-        this._treeOutline.element.addEventListener("focus", this._treeOutlineGainedFocus.bind(this));
>-        this._treeOutline.element.addEventListener("blur", this._treeOutlineLostFocus.bind(this));
>-
>-        treeOutline.addEventListener(WI.TreeOutline.Event.ElementAdded, this._treeElementAdded, this);
>-        treeOutline.addEventListener(WI.TreeOutline.Event.ElementRemoved, this._treeElementRemoved, this);
>-        treeOutline.addEventListener(WI.TreeOutline.Event.ElementDisclosureDidChanged, this._treeElementDisclosureDidChange, this);
>-        treeOutline.addEventListener(WI.TreeOutline.Event.ElementVisibilityDidChange, this._treeElementVisibilityDidChange, this);
>-        treeOutline.addEventListener(WI.TreeOutline.Event.SelectionDidChange, this._treeSelectionDidChange, this);
>-    }
>-
>-    // Public
>-
>-    get treeOutline()
>-    {
>-        return this._treeOutline;
>-    }
>-
>-    get dataGrid()
>-    {
>-        return this._dataGrid;
>-    }
>-
>-    get delegate()
>-    {
>-        return this._delegate;
>-    }
>-
>-    get enabled()
>-    {
>-        return this._enabled;
>-    }
>-
>-    set enabled(x)
>-    {
>-        this._enabled = x || false;
>-    }
>-
>-    associate(treeElement, dataGridNode)
>-    {
>-        console.assert(treeElement);
>-        console.assert(dataGridNode);
>-
>-        treeElement.__dataGridNode = dataGridNode;
>-        dataGridNode.__treeElement = treeElement;
>-    }
>-
>-    synchronize()
>-    {
>-        this._dataGrid.scrollContainer.scrollTop = this._treeOutline.element.parentNode.scrollTop;
>-        if (this._treeOutline.selectedTreeElement)
>-            this._treeOutline.selectedTreeElement.__dataGridNode.select(true);
>-        else if (this._dataGrid.selectedNode)
>-            this._dataGrid.selectedNode.deselect(true);
>-    }
>-
>-    treeElementForDataGridNode(dataGridNode)
>-    {
>-        return dataGridNode.__treeElement || null;
>-    }
>-
>-    dataGridNodeForTreeElement(treeElement)
>-    {
>-        if (treeElement.__dataGridNode)
>-            return treeElement.__dataGridNode;
>-
>-        if (typeof this._delegate.dataGridNodeForTreeElement === "function") {
>-            var dataGridNode = this._delegate.dataGridNodeForTreeElement(treeElement);
>-            if (dataGridNode)
>-                this.associate(treeElement, dataGridNode);
>-            return dataGridNode;
>-        }
>-
>-        return null;
>-    }
>-
>-    // Private
>-
>-    _treeOutlineScrolled(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        if (this._ignoreNextTreeOutlineScrollEvent) {
>-            this._ignoreNextTreeOutlineScrollEvent = false;
>-            return;
>-        }
>-
>-        this._ignoreNextDataGridScrollEvent = true;
>-        this._dataGrid.scrollContainer.scrollTop = this._treeOutline.element.parentNode.scrollTop;
>-    }
>-
>-    _dataGridGainedFocus(event)
>-    {
>-        this._treeOutline.element.classList.add("force-focus");
>-    }
>-
>-    _dataGridLostFocus(event)
>-    {
>-        this._treeOutline.element.classList.remove("force-focus");
>-    }
>-
>-    _dataGridScrolled(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        if (this._ignoreNextDataGridScrollEvent) {
>-            this._ignoreNextDataGridScrollEvent = false;
>-            return;
>-        }
>-
>-        this._ignoreNextTreeOutlineScrollEvent = true;
>-        this._treeOutline.element.parentNode.scrollTop = this._dataGrid.scrollContainer.scrollTop;
>-    }
>-
>-    _dataGridNodeSelected(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        var dataGridNode = this._dataGrid.selectedNode;
>-        if (dataGridNode)
>-            dataGridNode.__treeElement.select(true, true, true, true);
>-    }
>-
>-    _dataGridNodeExpanded(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        var dataGridNode = event.data.dataGridNode;
>-        console.assert(dataGridNode);
>-
>-        if (!dataGridNode.__treeElement.expanded)
>-            dataGridNode.__treeElement.expand();
>-    }
>-
>-    _dataGridNodeCollapsed(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        var dataGridNode = event.data.dataGridNode;
>-        console.assert(dataGridNode);
>-
>-        if (dataGridNode.__treeElement.expanded)
>-            dataGridNode.__treeElement.collapse();
>-    }
>-
>-    _treeOutlineGainedFocus(event)
>-    {
>-        this._dataGrid.element.classList.add("force-focus");
>-    }
>-
>-    _treeOutlineLostFocus(event)
>-    {
>-        this._dataGrid.element.classList.remove("force-focus");
>-    }
>-
>-    _treeSelectionDidChange(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        let treeElement = event.data.selectedElement || event.data.deselectedElement;
>-        console.assert(treeElement);
>-        if (!treeElement)
>-            return;
>-
>-        let dataGridNode = treeElement.__dataGridNode;
>-        console.assert(dataGridNode);
>-
>-        if (event.data.selectedElement)
>-            dataGridNode.select();
>-        else
>-            dataGridNode.deselect();
>-    }
>-
>-    _treeElementAdded(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        let treeElement = event.data.element;
>-        let dataGridNode = this.dataGridNodeForTreeElement(treeElement);
>-        console.assert(dataGridNode);
>-
>-        var parentDataGridNode = treeElement.parent.__dataGridNode;
>-        console.assert(parentDataGridNode);
>-
>-        var childIndex = treeElement.parent.children.indexOf(treeElement);
>-        console.assert(childIndex !== -1);
>-
>-        parentDataGridNode.insertChild(dataGridNode, childIndex);
>-    }
>-
>-    _treeElementRemoved(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        let treeElement = event.data.element;
>-        let dataGridNode = treeElement.__dataGridNode;
>-        console.assert(dataGridNode);
>-
>-        if (dataGridNode.parent)
>-            dataGridNode.parent.removeChild(dataGridNode);
>-    }
>-
>-    _treeElementDisclosureDidChange(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        let treeElement = event.data.element;
>-        let dataGridNode = treeElement.__dataGridNode;
>-        console.assert(dataGridNode);
>-
>-        if (treeElement.expanded)
>-            dataGridNode.expand();
>-        else
>-            dataGridNode.collapse();
>-    }
>-
>-    _treeElementVisibilityDidChange(event)
>-    {
>-        if (!this._enabled)
>-            return;
>-
>-        let treeElement = event.data.element;
>-        let dataGridNode = treeElement.__dataGridNode;
>-        console.assert(dataGridNode);
>-
>-        dataGridNode.hidden = treeElement.hidden;
>-    }
>-};

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Attachments on bug 188449: 346859 | 347732