Import Qt5x2 branch of QtWebkit for Qt 5.2

Importing a new snapshot of webkit.

Change-Id: I2d01ad12cdc8af8cb015387641120a9d7ea5f10c
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>

1 files changed, 208 insertions, 0 deletions

diff --git a/Source/WebInspectorUI/UserInterface/SourceCodeTreeElement.js b/Source/WebInspectorUI/UserInterface/SourceCodeTreeElement.js
new file mode 100644
index 000000000..d885eb28d
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/SourceCodeTreeElement.js
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+WebInspector.SourceCodeTreeElement = function(sourceCode, classNames, title, subtitle, representedObject, hasChildren)
+{
+    console.assert(sourceCode instanceof WebInspector.SourceCode);
+
+    WebInspector.GeneralTreeElement.call(this, classNames, title, subtitle, representedObject || sourceCode, hasChildren);
+
+    this.small = true;
+
+    this._updateSourceCode(sourceCode);
+};
+
+WebInspector.SourceCodeTreeElement.prototype = {
+    constructor: WebInspector.SourceCodeTreeElement,
+
+    // Public
+
+    updateSourceMapResources: function()
+    {
+        if (!this.treeOutline || !this.treeOutline.includeSourceMapResourceChildren)
+            return;
+
+        this.hasChildren = !!this._sourceCode.sourceMaps.length;
+        this.shouldRefreshChildren = this.hasChildren;
+
+        if (!this.hasChildren)
+            this.removeChildren();
+    },
+
+    // Overrides from TreeElement
+
+    onattach: function()
+    {
+        WebInspector.GeneralTreeElement.prototype.onattach.call(this);
+
+        this.updateSourceMapResources();
+    },
+
+    onpopulate: function()
+    {
+        if (!this.treeOutline || !this.treeOutline.includeSourceMapResourceChildren)
+            return;
+
+        if (!this.hasChildren || !this.shouldRefreshChildren)
+            return;
+
+        this.shouldRefreshChildren = false;
+
+        this.removeChildren();
+
+        function combineFolderChain(topFolder, bottomFolder)
+        {
+            console.assert(topFolder.children.length === 1);
+
+            var components = [];
+
+            for (var currentFolder = bottomFolder; currentFolder !== topFolder; currentFolder = currentFolder.parent)
+                components.push(currentFolder.mainTitle);
+            components.push(topFolder.mainTitle);
+
+            var folderName = components.reverse().join("/");
+            var newFolder = new WebInspector.FolderTreeElement(folderName);
+
+            var folderIndex = topFolder.parent.children.indexOf(topFolder);
+            topFolder.parent.insertChild(newFolder, folderIndex);
+            topFolder.parent.removeChild(topFolder);
+
+            var children = bottomFolder.children;
+            bottomFolder.removeChildren();
+            for (var i = 0; i < children.length; ++i)
+                newFolder.appendChild(children[i]);
+        }
+
+        function findAndCombineFolderChains(treeElement, previousSingleTreeElement)
+        {
+            if (!(treeElement instanceof WebInspector.FolderTreeElement)) {
+                if (previousSingleTreeElement && previousSingleTreeElement !== treeElement.parent)
+                    combineFolderChain(previousSingleTreeElement, treeElement.parent);
+                return;
+            }
+
+            if (previousSingleTreeElement && treeElement.children.length !== 1) {
+                combineFolderChain(previousSingleTreeElement, treeElement);
+                previousSingleTreeElement = null;
+            }
+
+            if (!previousSingleTreeElement && treeElement.children.length === 1)
+                previousSingleTreeElement = treeElement;
+
+            for (var i = 0; i < treeElement.children.length; ++i)
+                findAndCombineFolderChains(treeElement.children[i], previousSingleTreeElement);
+        }
+
+        var sourceMaps = this._sourceCode.sourceMaps;
+        for (var i = 0; i < sourceMaps.length; ++i) {
+            var sourceMap = sourceMaps[i];
+            for (var j = 0; j < sourceMap.resources.length; ++j) {
+                var sourceMapResource = sourceMap.resources[j];
+                var relativeSubpath = sourceMapResource.sourceMapDisplaySubpath;
+                var folderTreeElement = this.createFoldersAsNeededForSubpath(relativeSubpath);
+                var sourceMapTreeElement = new WebInspector.SourceMapResourceTreeElement(sourceMapResource);
+                folderTreeElement.insertChild(sourceMapTreeElement, insertionIndexForObjectInListSortedByFunction(sourceMapTreeElement, folderTreeElement.children, WebInspector.ResourceTreeElement.compareFolderAndResourceTreeElements));
+            }
+        }
+
+        for (var i = 0; i < this.children.length; ++i)
+            findAndCombineFolderChains(this.children[i], null);
+    },
+
+    // Protected
+
+    createFoldersAsNeededForSubpath: function(subpath)
+    {
+        if (!subpath)
+            return this;
+
+        var components = subpath.split("/");
+        if (components.length === 1)
+            return this;
+
+        if (!this._subpathFolderTreeElementMap)
+            this._subpathFolderTreeElementMap = {};
+
+        var currentPath = "";
+        var currentFolderTreeElement = this;
+
+        for (var i = 0 ; i < components.length - 1; ++i) {
+            var componentName = components[i];
+            currentPath += (i ? "/" : "") + componentName;
+
+            var cachedFolder = this._subpathFolderTreeElementMap[currentPath];
+            if (cachedFolder) {
+                currentFolderTreeElement = cachedFolder;
+                continue;
+            }
+
+            var newFolder = new WebInspector.FolderTreeElement(componentName);
+            newFolder.__path = currentPath;
+            this._subpathFolderTreeElementMap[currentPath] = newFolder;
+
+            var index = insertionIndexForObjectInListSortedByFunction(newFolder, currentFolderTreeElement.children, WebInspector.ResourceTreeElement.compareFolderAndResourceTreeElements);
+            currentFolderTreeElement.insertChild(newFolder, index);
+            currentFolderTreeElement = newFolder;
+        }
+
+        return currentFolderTreeElement;
+    },
+
+    descendantResourceTreeElementTypeDidChange: function(childTreeElement, oldType)
+    {
+        // Called by descendant SourceMapResourceTreeElements.
+
+        console.assert(this.hasChildren);
+
+        var wasSelected = childTreeElement.selected;
+
+        var parentTreeElement = childTreeElement.parent;
+        parentTreeElement.removeChild(childTreeElement, true, true);
+        parentTreeElement.insertChild(childTreeElement, insertionIndexForObjectInListSortedByFunction(childTreeElement, parentTreeElement.children, WebInspector.ResourceTreeElement.compareFolderAndResourceTreeElements));
+
+        if (wasSelected)
+            childTreeElement.revealAndSelect(true, false, true, true);
+    },
+
+    // Protected (ResourceTreeElement calls this when its Resource changes dynamically for Frames)
+
+    _updateSourceCode: function(sourceCode)
+    {
+        console.assert(sourceCode instanceof WebInspector.SourceCode);
+
+        if (this._sourceCode === sourceCode)
+            return;
+
+        if (this._sourceCode)
+            this._sourceCode.removeEventListener(WebInspector.SourceCode.Event.SourceMapAdded, this.updateSourceMapResources, this);
+
+        this._sourceCode = sourceCode;
+        this._sourceCode.addEventListener(WebInspector.SourceCode.Event.SourceMapAdded, this.updateSourceMapResources, this);
+
+        this.updateSourceMapResources();
+    }
+};
+
+WebInspector.SourceCodeTreeElement.prototype.__proto__ = WebInspector.GeneralTreeElement.prototype;