Revert of Move WebAXObjectProxy and AccessibleController from CppBoundClass to gin::Wrappable

content/shell/renderer/test_runner/WebAXObjectProxy.cpp

Index: content/shell/renderer/test_runner/WebAXObjectProxy.cpp
diff --git a/content/shell/renderer/test_runner/WebAXObjectProxy.cpp b/content/shell/renderer/test_runner/WebAXObjectProxy.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..70294f719513772322676f2c70f7d50563249592
--- /dev/null
+++ b/content/shell/renderer/test_runner/WebAXObjectProxy.cpp
@@ -0,0 +1,1178 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/shell/renderer/test_runner/WebAXObjectProxy.h"
+
+#include "content/shell/renderer/test_runner/TestCommon.h"
+#include "third_party/WebKit/public/platform/WebCString.h"
+#include "third_party/WebKit/public/platform/WebPoint.h"
+#include "third_party/WebKit/public/platform/WebRect.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+
+using namespace blink;
+using namespace std;
+
+namespace WebTestRunner {
+
+namespace {
+
+// Map role value to string, matching Safari/Mac platform implementation to
+// avoid rebaselining layout tests.
+string roleToString(WebAXRole role)
+{
+    string result = "AXRole: AX";
+    switch (role) {
+    case WebAXRoleAlertDialog:
+        return result.append("AlertDialog");
+    case WebAXRoleAlert:
+        return result.append("Alert");
+    case WebAXRoleAnnotation:
+        return result.append("Annotation");
+    case WebAXRoleApplication:
+        return result.append("Application");
+    case WebAXRoleArticle:
+        return result.append("Article");
+    case WebAXRoleBanner:
+        return result.append("Banner");
+    case WebAXRoleBrowser:
+        return result.append("Browser");
+    case WebAXRoleBusyIndicator:
+        return result.append("BusyIndicator");
+    case WebAXRoleButton:
+        return result.append("Button");
+    case WebAXRoleCanvas:
+        return result.append("Canvas");
+    case WebAXRoleCell:
+        return result.append("Cell");
+    case WebAXRoleCheckBox:
+        return result.append("CheckBox");
+    case WebAXRoleColorWell:
+        return result.append("ColorWell");
+    case WebAXRoleColumnHeader:
+        return result.append("ColumnHeader");
+    case WebAXRoleColumn:
+        return result.append("Column");
+    case WebAXRoleComboBox:
+        return result.append("ComboBox");
+    case WebAXRoleComplementary:
+        return result.append("Complementary");
+    case WebAXRoleContentInfo:
+        return result.append("ContentInfo");
+    case WebAXRoleDefinition:
+        return result.append("Definition");
+    case WebAXRoleDescriptionListDetail:
+        return result.append("DescriptionListDetail");
+    case WebAXRoleDescriptionListTerm:
+        return result.append("DescriptionListTerm");
+    case WebAXRoleDialog:
+        return result.append("Dialog");
+    case WebAXRoleDirectory:
+        return result.append("Directory");
+    case WebAXRoleDisclosureTriangle:
+        return result.append("DisclosureTriangle");
+    case WebAXRoleDiv:
+        return result.append("Div");
+    case WebAXRoleDocument:
+        return result.append("Document");
+    case WebAXRoleDrawer:
+        return result.append("Drawer");
+    case WebAXRoleEditableText:
+        return result.append("EditableText");
+    case WebAXRoleFooter:
+        return result.append("Footer");
+    case WebAXRoleForm:
+        return result.append("Form");
+    case WebAXRoleGrid:
+        return result.append("Grid");
+    case WebAXRoleGroup:
+        return result.append("Group");
+    case WebAXRoleGrowArea:
+        return result.append("GrowArea");
+    case WebAXRoleHeading:
+        return result.append("Heading");
+    case WebAXRoleHelpTag:
+        return result.append("HelpTag");
+    case WebAXRoleHorizontalRule:
+        return result.append("HorizontalRule");
+    case WebAXRoleIgnored:
+        return result.append("Ignored");
+    case WebAXRoleImageMapLink:
+        return result.append("ImageMapLink");
+    case WebAXRoleImageMap:
+        return result.append("ImageMap");
+    case WebAXRoleImage:
+        return result.append("Image");
+    case WebAXRoleIncrementor:
+        return result.append("Incrementor");
+    case WebAXRoleInlineTextBox:
+        return result.append("InlineTextBox");
+    case WebAXRoleLabel:
+        return result.append("Label");
+    case WebAXRoleLegend:
+        return result.append("Legend");
+    case WebAXRoleLink:
+        return result.append("Link");
+    case WebAXRoleListBoxOption:
+        return result.append("ListBoxOption");
+    case WebAXRoleListBox:
+        return result.append("ListBox");
+    case WebAXRoleListItem:
+        return result.append("ListItem");
+    case WebAXRoleListMarker:
+        return result.append("ListMarker");
+    case WebAXRoleList:
+        return result.append("List");
+    case WebAXRoleLog:
+        return result.append("Log");
+    case WebAXRoleMain:
+        return result.append("Main");
+    case WebAXRoleMarquee:
+        return result.append("Marquee");
+    case WebAXRoleMathElement:
+        return result.append("MathElement");
+    case WebAXRoleMath:
+        return result.append("Math");
+    case WebAXRoleMatte:
+        return result.append("Matte");
+    case WebAXRoleMenuBar:
+        return result.append("MenuBar");
+    case WebAXRoleMenuButton:
+        return result.append("MenuButton");
+    case WebAXRoleMenuItem:
+        return result.append("MenuItem");
+    case WebAXRoleMenuListOption:
+        return result.append("MenuListOption");
+    case WebAXRoleMenuListPopup:
+        return result.append("MenuListPopup");
+    case WebAXRoleMenu:
+        return result.append("Menu");
+    case WebAXRoleNavigation:
+        return result.append("Navigation");
+    case WebAXRoleNote:
+        return result.append("Note");
+    case WebAXRoleOutline:
+        return result.append("Outline");
+    case WebAXRoleParagraph:
+        return result.append("Paragraph");
+    case WebAXRolePopUpButton:
+        return result.append("PopUpButton");
+    case WebAXRolePresentational:
+        return result.append("Presentational");
+    case WebAXRoleProgressIndicator:
+        return result.append("ProgressIndicator");
+    case WebAXRoleRadioButton:
+        return result.append("RadioButton");
+    case WebAXRoleRadioGroup:
+        return result.append("RadioGroup");
+    case WebAXRoleRegion:
+        return result.append("Region");
+    case WebAXRoleRootWebArea:
+        return result.append("RootWebArea");
+    case WebAXRoleRowHeader:
+        return result.append("RowHeader");
+    case WebAXRoleRow:
+        return result.append("Row");
+    case WebAXRoleRulerMarker:
+        return result.append("RulerMarker");
+    case WebAXRoleRuler:
+        return result.append("Ruler");
+    case WebAXRoleSVGRoot:
+        return result.append("SVGRoot");
+    case WebAXRoleScrollArea:
+        return result.append("ScrollArea");
+    case WebAXRoleScrollBar:
+        return result.append("ScrollBar");
+    case WebAXRoleSeamlessWebArea:
+        return result.append("SeamlessWebArea");
+    case WebAXRoleSearch:
+        return result.append("Search");
+    case WebAXRoleSheet:
+        return result.append("Sheet");
+    case WebAXRoleSlider:
+        return result.append("Slider");
+    case WebAXRoleSliderThumb:
+        return result.append("SliderThumb");
+    case WebAXRoleSpinButtonPart:
+        return result.append("SpinButtonPart");
+    case WebAXRoleSpinButton:
+        return result.append("SpinButton");
+    case WebAXRoleSplitGroup:
+        return result.append("SplitGroup");
+    case WebAXRoleSplitter:
+        return result.append("Splitter");
+    case WebAXRoleStaticText:
+        return result.append("StaticText");
+    case WebAXRoleStatus:
+        return result.append("Status");
+    case WebAXRoleSystemWide:
+        return result.append("SystemWide");
+    case WebAXRoleTabGroup:
+        return result.append("TabGroup");
+    case WebAXRoleTabList:
+        return result.append("TabList");
+    case WebAXRoleTabPanel:
+        return result.append("TabPanel");
+    case WebAXRoleTab:
+        return result.append("Tab");
+    case WebAXRoleTableHeaderContainer:
+        return result.append("TableHeaderContainer");
+    case WebAXRoleTable:
+        return result.append("Table");
+    case WebAXRoleTextArea:
+        return result.append("TextArea");
+    case WebAXRoleTextField:
+        return result.append("TextField");
+    case WebAXRoleTimer:
+        return result.append("Timer");
+    case WebAXRoleToggleButton:
+        return result.append("ToggleButton");
+    case WebAXRoleToolbar:
+        return result.append("Toolbar");
+    case WebAXRoleTreeGrid:
+        return result.append("TreeGrid");
+    case WebAXRoleTreeItem:
+        return result.append("TreeItem");
+    case WebAXRoleTree:
+        return result.append("Tree");
+    case WebAXRoleUnknown:
+        return result.append("Unknown");
+    case WebAXRoleUserInterfaceTooltip:
+        return result.append("UserInterfaceTooltip");
+    case WebAXRoleValueIndicator:
+        return result.append("ValueIndicator");
+    case WebAXRoleWebArea:
+        return result.append("WebArea");
+    case WebAXRoleWindow:
+        return result.append("Window");
+    default:
+        return result.append("Unknown");
+    }
+}
+
+string getDescription(const WebAXObject& object)
+{
+    string description = object.accessibilityDescription().utf8();
+    return description.insert(0, "AXDescription: ");
+}
+
+string getHelpText(const WebAXObject& object)
+{
+    string helpText = object.helpText().utf8();
+    return helpText.insert(0, "AXHelp: ");
+}
+
+string getStringValue(const WebAXObject& object)
+{
+    string value;
+    if (object.role() == WebAXRoleColorWell) {
+        int r, g, b;
+        char buffer[100];
+        object.colorValue(r, g, b);
+        snprintf(buffer, sizeof(buffer), "rgb %7.5f %7.5f %7.5f 1", r / 255., g / 255., b / 255.);
+        value = buffer;
+    } else {
+        value = object.stringValue().utf8();
+    }
+    return value.insert(0, "AXValue: ");
+}
+
+string getRole(const WebAXObject& object)
+{
+    string roleString = roleToString(object.role());
+
+    // Special-case canvas with fallback content because Chromium wants to
+    // treat this as essentially a separate role that it can map differently depending
+    // on the platform.
+    if (object.role() == WebAXRoleCanvas && object.canvasHasFallbackContent())
+        roleString += "WithFallbackContent";
+
+    return roleString;
+}
+
+string getTitle(const WebAXObject& object)
+{
+    string title = object.title().utf8();
+    return title.insert(0, "AXTitle: ");
+}
+
+string getOrientation(const WebAXObject& object)
+{
+    if (object.isVertical())
+        return "AXOrientation: AXVerticalOrientation";
+
+    return "AXOrientation: AXHorizontalOrientation";
+}
+
+string getValueDescription(const WebAXObject& object)
+{
+    string valueDescription = object.valueDescription().utf8();
+    return valueDescription.insert(0, "AXValueDescription: ");
+}
+
+string getAttributes(const WebAXObject& object)
+{
+    // FIXME: Concatenate all attributes of the AXObject.
+    string attributes(getTitle(object));
+    attributes.append("\n");
+    attributes.append(getRole(object));
+    attributes.append("\n");
+    attributes.append(getDescription(object));
+    return attributes;
+}
+
+WebRect boundsForCharacter(const WebAXObject& object, int characterIndex)
+{
+    BLINK_ASSERT(object.role() == WebAXRoleStaticText);
+    int end = 0;
+    for (unsigned i = 0; i < object.childCount(); i++) {
+        WebAXObject inlineTextBox = object.childAt(i);
+        BLINK_ASSERT(inlineTextBox.role() == WebAXRoleInlineTextBox);
+        int start = end;
+        end += inlineTextBox.stringValue().length();
+        if (end <= characterIndex)
+            continue;
+        WebRect inlineTextBoxRect = inlineTextBox.boundingBoxRect();
+        int localIndex = characterIndex - start;
+        WebVector<int> characterOffsets;
+        inlineTextBox.characterOffsets(characterOffsets);
+        BLINK_ASSERT(characterOffsets.size() > 0 && characterOffsets.size() == inlineTextBox.stringValue().length());
+        switch (inlineTextBox.textDirection()) {
+        case WebAXTextDirectionLR: {
+            if (localIndex) {
+                int left = inlineTextBoxRect.x + characterOffsets[localIndex - 1];
+                int width = characterOffsets[localIndex] - characterOffsets[localIndex - 1];
+                return WebRect(left, inlineTextBoxRect.y, width, inlineTextBoxRect.height);
+            }
+            return WebRect(inlineTextBoxRect.x, inlineTextBoxRect.y, characterOffsets[0], inlineTextBoxRect.height);
+        }
+        case WebAXTextDirectionRL: {
+            int right = inlineTextBoxRect.x + inlineTextBoxRect.width;
+
+            if (localIndex) {
+                int left = right - characterOffsets[localIndex];
+                int width = characterOffsets[localIndex] - characterOffsets[localIndex - 1];
+                return WebRect(left, inlineTextBoxRect.y, width, inlineTextBoxRect.height);
+            }
+            int left = right - characterOffsets[0];
+            return WebRect(left, inlineTextBoxRect.y, characterOffsets[0], inlineTextBoxRect.height);
+        }
+        case WebAXTextDirectionTB: {
+            if (localIndex) {
+                int top = inlineTextBoxRect.y + characterOffsets[localIndex - 1];
+                int height = characterOffsets[localIndex] - characterOffsets[localIndex - 1];
+                return WebRect(inlineTextBoxRect.x, top, inlineTextBoxRect.width, height);
+            }
+            return WebRect(inlineTextBoxRect.x, inlineTextBoxRect.y, inlineTextBoxRect.width, characterOffsets[0]);
+        }
+        case WebAXTextDirectionBT: {
+            int bottom = inlineTextBoxRect.y + inlineTextBoxRect.height;
+
+            if (localIndex) {
+                int top = bottom - characterOffsets[localIndex];
+                int height = characterOffsets[localIndex] - characterOffsets[localIndex - 1];
+                return WebRect(inlineTextBoxRect.x, top, inlineTextBoxRect.width, height);
+            }
+            int top = bottom - characterOffsets[0];
+            return WebRect(inlineTextBoxRect.x, top, inlineTextBoxRect.width, characterOffsets[0]);
+        }
+        }
+    }
+
+    BLINK_ASSERT(false);
+    return WebRect();
+}
+
+void getBoundariesForOneWord(const WebAXObject& object, int characterIndex, int& wordStart, int& wordEnd)
+{
+    int end = 0;
+    for (unsigned i = 0; i < object.childCount(); i++) {
+        WebAXObject inlineTextBox = object.childAt(i);
+        BLINK_ASSERT(inlineTextBox.role() == WebAXRoleInlineTextBox);
+        int start = end;
+        end += inlineTextBox.stringValue().length();
+        if (end <= characterIndex)
+            continue;
+        int localIndex = characterIndex - start;
+
+        WebVector<int> starts;
+        WebVector<int> ends;
+        inlineTextBox.wordBoundaries(starts, ends);
+        size_t wordCount = starts.size();
+        BLINK_ASSERT(ends.size() == wordCount);
+
+        // If there are no words, use the InlineTextBox boundaries.
+        if (!wordCount) {
+            wordStart = start;
+            wordEnd = end;
+            return;
+        }
+
+        // Look for a character within any word other than the last.
+        for (size_t j = 0; j < wordCount - 1; j++) {
+            if (localIndex <= ends[j]) {
+                wordStart = start + starts[j];
+                wordEnd = start + ends[j];
+                return;
+            }
+        }
+
+        // Return the last word by default.
+        wordStart = start + starts[wordCount - 1];
+        wordEnd = start + ends[wordCount - 1];
+        return;
+    }
+}
+
+// Collects attributes into a string, delimited by dashes. Used by all methods
+// that output lists of attributes: attributesOfLinkedUIElementsCallback,
+// AttributesOfChildrenCallback, etc.
+class AttributesCollector {
+public:
+    void collectAttributes(const WebAXObject& object)
+    {
+        m_attributes.append("\n------------\n");
+        m_attributes.append(getAttributes(object));
+    }
+
+    string attributes() const { return m_attributes; }
+
+private:
+    string m_attributes;
+};
+
+}
+
+WebAXObjectProxy::WebAXObjectProxy(const WebAXObject& object, Factory* factory)
+    : m_accessibilityObject(object)
+    , m_factory(factory)
+{
+
+    BLINK_ASSERT(factory);
+
+    //
+    // Properties
+    //
+
+    bindProperty("role", &WebAXObjectProxy::roleGetterCallback);
+    bindProperty("title", &WebAXObjectProxy::titleGetterCallback);
+    bindProperty("description", &WebAXObjectProxy::descriptionGetterCallback);
+    bindProperty("helpText", &WebAXObjectProxy::helpTextGetterCallback);
+    bindProperty("stringValue", &WebAXObjectProxy::stringValueGetterCallback);
+    bindProperty("x", &WebAXObjectProxy::xGetterCallback);
+    bindProperty("y", &WebAXObjectProxy::yGetterCallback);
+    bindProperty("width", &WebAXObjectProxy::widthGetterCallback);
+    bindProperty("height", &WebAXObjectProxy::heightGetterCallback);
+    bindProperty("intValue", &WebAXObjectProxy::intValueGetterCallback);
+    bindProperty("minValue", &WebAXObjectProxy::minValueGetterCallback);
+    bindProperty("maxValue", &WebAXObjectProxy::maxValueGetterCallback);
+    bindProperty("valueDescription", &WebAXObjectProxy::valueDescriptionGetterCallback);
+    bindProperty("childrenCount", &WebAXObjectProxy::childrenCountGetterCallback);
+    bindProperty("insertionPointLineNumber", &WebAXObjectProxy::insertionPointLineNumberGetterCallback);
+    bindProperty("selectedTextRange", &WebAXObjectProxy::selectedTextRangeGetterCallback);
+    bindProperty("isEnabled", &WebAXObjectProxy::isEnabledGetterCallback);
+    bindProperty("isRequired", &WebAXObjectProxy::isRequiredGetterCallback);
+    bindProperty("isFocused", &WebAXObjectProxy::isFocusedGetterCallback);
+    bindProperty("isFocusable", &WebAXObjectProxy::isFocusableGetterCallback);
+    bindProperty("isSelected", &WebAXObjectProxy::isSelectedGetterCallback);
+    bindProperty("isSelectable", &WebAXObjectProxy::isSelectableGetterCallback);
+    bindProperty("isMultiSelectable", &WebAXObjectProxy::isMultiSelectableGetterCallback);
+    bindProperty("isSelectedOptionActive", &WebAXObjectProxy::isSelectedOptionActiveGetterCallback);
+    bindProperty("isExpanded", &WebAXObjectProxy::isExpandedGetterCallback);
+    bindProperty("isChecked", &WebAXObjectProxy::isCheckedGetterCallback);
+    bindProperty("isVisible", &WebAXObjectProxy::isVisibleGetterCallback);
+    bindProperty("isOffScreen", &WebAXObjectProxy::isOffScreenGetterCallback);
+    bindProperty("isCollapsed", &WebAXObjectProxy::isCollapsedGetterCallback);
+    bindProperty("hasPopup", &WebAXObjectProxy::hasPopupGetterCallback);
+    bindProperty("isValid", &WebAXObjectProxy::isValidGetterCallback);
+    bindProperty("isReadOnly", &WebAXObjectProxy::isReadOnlyGetterCallback);
+    bindProperty("orientation", &WebAXObjectProxy::orientationGetterCallback);
+    bindProperty("clickPointX", &WebAXObjectProxy::clickPointXGetterCallback);
+    bindProperty("clickPointY", &WebAXObjectProxy::clickPointYGetterCallback);
+    bindProperty("rowCount", &WebAXObjectProxy::rowCountGetterCallback);
+    bindProperty("columnCount", &WebAXObjectProxy::columnCountGetterCallback);
+    bindProperty("isClickable", &WebAXObjectProxy::isClickableGetterCallback);
+
+    //
+    // Methods
+    //
+
+    bindMethod("allAttributes", &WebAXObjectProxy::allAttributesCallback);
+    bindMethod("attributesOfChildren", &WebAXObjectProxy::attributesOfChildrenCallback);
+    bindMethod("lineForIndex", &WebAXObjectProxy::lineForIndexCallback);
+    bindMethod("boundsForRange", &WebAXObjectProxy::boundsForRangeCallback);
+    bindMethod("childAtIndex", &WebAXObjectProxy::childAtIndexCallback);
+    bindMethod("elementAtPoint", &WebAXObjectProxy::elementAtPointCallback);
+    bindMethod("tableHeader", &WebAXObjectProxy::tableHeaderCallback);
+    bindMethod("rowIndexRange", &WebAXObjectProxy::rowIndexRangeCallback);
+    bindMethod("columnIndexRange", &WebAXObjectProxy::columnIndexRangeCallback);
+    bindMethod("cellForColumnAndRow", &WebAXObjectProxy::cellForColumnAndRowCallback);
+    bindMethod("titleUIElement", &WebAXObjectProxy::titleUIElementCallback);
+    bindMethod("setSelectedTextRange", &WebAXObjectProxy::setSelectedTextRangeCallback);
+    bindMethod("isAttributeSettable", &WebAXObjectProxy::isAttributeSettableCallback);
+    bindMethod("isPressActionSupported", &WebAXObjectProxy::isPressActionSupportedCallback);
+    bindMethod("isIncrementActionSupported", &WebAXObjectProxy::isIncrementActionSupportedCallback);
+    bindMethod("isDecrementActionSupported", &WebAXObjectProxy::isDecrementActionSupportedCallback);
+    bindMethod("parentElement", &WebAXObjectProxy::parentElementCallback);
+    bindMethod("increment", &WebAXObjectProxy::incrementCallback);
+    bindMethod("decrement", &WebAXObjectProxy::decrementCallback);
+    bindMethod("showMenu", &WebAXObjectProxy::showMenuCallback);
+    bindMethod("press", &WebAXObjectProxy::pressCallback);
+    bindMethod("isEqual", &WebAXObjectProxy::isEqualCallback);
+    bindMethod("addNotificationListener", &WebAXObjectProxy::addNotificationListenerCallback);
+    bindMethod("removeNotificationListener", &WebAXObjectProxy::removeNotificationListenerCallback);
+    bindMethod("takeFocus", &WebAXObjectProxy::takeFocusCallback);
+    bindMethod("scrollToMakeVisible", &WebAXObjectProxy::scrollToMakeVisibleCallback);
+    bindMethod("scrollToMakeVisibleWithSubFocus", &WebAXObjectProxy::scrollToMakeVisibleWithSubFocusCallback);
+    bindMethod("scrollToGlobalPoint", &WebAXObjectProxy::scrollToGlobalPointCallback);
+    bindMethod("wordStart", &WebAXObjectProxy::wordStartCallback);
+    bindMethod("wordEnd", &WebAXObjectProxy::wordEndCallback);
+
+    bindFallbackMethod(&WebAXObjectProxy::fallbackCallback);
+}
+
+WebAXObjectProxy::~WebAXObjectProxy()
+{
+}
+
+WebAXObjectProxy* WebAXObjectProxy::getChildAtIndex(unsigned index)
+{
+    return m_factory->getOrCreate(accessibilityObject().childAt(index));
+}
+
+bool WebAXObjectProxy::isRoot() const
+{
+    return false;
+}
+
+bool WebAXObjectProxy::isEqual(const blink::WebAXObject& other)
+{
+    return accessibilityObject().equals(other);
+}
+
+void WebAXObjectProxy::notificationReceived(const char* notificationName)
+{
+    size_t callbackCount = m_notificationCallbacks.size();
+    for (size_t i = 0; i < callbackCount; i++) {
+        CppVariant notificationNameArgument;
+        notificationNameArgument.set(notificationName);
+        CppVariant invokeResult;
+        m_notificationCallbacks[i].invokeDefault(&notificationNameArgument, 1, invokeResult);
+    }
+}
+
+//
+// Properties
+//
+
+void WebAXObjectProxy::roleGetterCallback(CppVariant* result)
+{
+    result->set(getRole(accessibilityObject()));
+}
+
+void WebAXObjectProxy::titleGetterCallback(CppVariant* result)
+{
+    result->set(getTitle(accessibilityObject()));
+}
+
+void WebAXObjectProxy::descriptionGetterCallback(CppVariant* result)
+{
+    result->set(getDescription(accessibilityObject()));
+}
+
+void WebAXObjectProxy::helpTextGetterCallback(CppVariant* result)
+{
+    result->set(getHelpText(accessibilityObject()));
+}
+
+void WebAXObjectProxy::stringValueGetterCallback(CppVariant* result)
+{
+    result->set(getStringValue(accessibilityObject()));
+}
+
+void WebAXObjectProxy::xGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().boundingBoxRect().x);
+}
+
+void WebAXObjectProxy::yGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().boundingBoxRect().y);
+}
+
+void WebAXObjectProxy::widthGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().boundingBoxRect().width);
+}
+
+void WebAXObjectProxy::heightGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().boundingBoxRect().height);
+}
+
+void WebAXObjectProxy::intValueGetterCallback(CppVariant* result)
+{
+    if (accessibilityObject().supportsRangeValue())
+        result->set(accessibilityObject().valueForRange());
+    else if (accessibilityObject().role() == WebAXRoleHeading)
+        result->set(accessibilityObject().headingLevel());
+    else
+        result->set(atoi(accessibilityObject().stringValue().utf8().data()));
+}
+
+void WebAXObjectProxy::minValueGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().minValueForRange());
+}
+
+void WebAXObjectProxy::maxValueGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().maxValueForRange());
+}
+
+void WebAXObjectProxy::valueDescriptionGetterCallback(CppVariant* result)
+{
+    result->set(getValueDescription(accessibilityObject()));
+}
+
+void WebAXObjectProxy::childrenCountGetterCallback(CppVariant* result)
+{
+    int count = 1; // Root object always has only one child, the WebView.
+    if (!isRoot())
+        count = accessibilityObject().childCount();
+    result->set(count);
+}
+
+void WebAXObjectProxy::insertionPointLineNumberGetterCallback(CppVariant* result)
+{
+    if (!accessibilityObject().isFocused()) {
+        result->set(-1);
+        return;
+    }
+
+    int lineNumber = accessibilityObject().selectionEndLineNumber();
+    result->set(lineNumber);
+}
+
+void WebAXObjectProxy::selectedTextRangeGetterCallback(CppVariant* result)
+{
+    unsigned selectionStart = accessibilityObject().selectionStart();
+    unsigned selectionEnd = accessibilityObject().selectionEnd();
+    char buffer[100];
+    snprintf(buffer, sizeof(buffer), "{%d, %d}", selectionStart, selectionEnd - selectionStart);
+
+    result->set(std::string(buffer));
+}
+
+void WebAXObjectProxy::isEnabledGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isEnabled());
+}
+
+void WebAXObjectProxy::isRequiredGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isRequired());
+}
+
+void WebAXObjectProxy::isFocusedGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isFocused());
+}
+
+void WebAXObjectProxy::isFocusableGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().canSetFocusAttribute());
+}
+
+void WebAXObjectProxy::isSelectedGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isSelected());
+}
+
+void WebAXObjectProxy::isSelectableGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().canSetSelectedAttribute());
+}
+
+void WebAXObjectProxy::isMultiSelectableGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isMultiSelectable());
+}
+
+void WebAXObjectProxy::isSelectedOptionActiveGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isSelectedOptionActive());
+}
+
+void WebAXObjectProxy::isExpandedGetterCallback(CppVariant* result)
+{
+    result->set(!accessibilityObject().isCollapsed());
+}
+
+void WebAXObjectProxy::isCheckedGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isChecked());
+}
+
+void WebAXObjectProxy::isVisibleGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isVisible());
+}
+
+void WebAXObjectProxy::isOffScreenGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isOffScreen());
+}
+
+void WebAXObjectProxy::isCollapsedGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isCollapsed());
+}
+
+void WebAXObjectProxy::hasPopupGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().ariaHasPopup());
+}
+
+void WebAXObjectProxy::isValidGetterCallback(CppVariant* result)
+{
+    result->set(!accessibilityObject().isDetached());
+}
+
+void WebAXObjectProxy::isReadOnlyGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isReadOnly());
+}
+
+void WebAXObjectProxy::orientationGetterCallback(CppVariant* result)
+{
+    result->set(getOrientation(accessibilityObject()));
+}
+
+void WebAXObjectProxy::clickPointXGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().clickPoint().x);
+}
+
+void WebAXObjectProxy::clickPointYGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().clickPoint().y);
+}
+
+void WebAXObjectProxy::rowCountGetterCallback(CppVariant* result)
+{
+    result->set(static_cast<int32_t>(accessibilityObject().rowCount()));
+}
+
+void WebAXObjectProxy::columnCountGetterCallback(CppVariant* result)
+{
+    result->set(static_cast<int32_t>(accessibilityObject().columnCount()));
+}
+
+void WebAXObjectProxy::isClickableGetterCallback(CppVariant* result)
+{
+    result->set(accessibilityObject().isClickable());
+}
+
+//
+// Methods
+//
+
+void WebAXObjectProxy::allAttributesCallback(const CppArgumentList&, CppVariant* result)
+{
+    result->set(getAttributes(accessibilityObject()));
+}
+
+void WebAXObjectProxy::attributesOfChildrenCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    AttributesCollector collector;
+    unsigned size = accessibilityObject().childCount();
+    for (unsigned i = 0; i < size; ++i)
+        collector.collectAttributes(accessibilityObject().childAt(i));
+    result->set(collector.attributes());
+}
+
+void WebAXObjectProxy::lineForIndexCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    if (!arguments.size() || !arguments[0].isNumber()) {
+        result->setNull();
+        return;
+    }
+
+    int index = arguments[0].toInt32();
+
+    WebVector<int> lineBreaks;
+    accessibilityObject().lineBreaks(lineBreaks);
+    int line = 0;
+    int vectorSize = static_cast<int>(lineBreaks.size());
+    while (line < vectorSize && lineBreaks[line] <= index)
+        line++;
+    result->set(line);
+}
+
+void WebAXObjectProxy::boundsForRangeCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    result->setNull();
+
+    if (arguments.size() != 2 || !arguments[0].isNumber() || !arguments[1].isNumber())
+        return;
+
+    if (accessibilityObject().role() != WebAXRoleStaticText)
+        return;
+
+    int start = arguments[0].toInt32();
+    int end = arguments[1].toInt32();
+    int len = end - start;
+
+    // Get the bounds for each character and union them into one large rectangle.
+    // This is just for testing so it doesn't need to be efficient.
+    WebRect bounds = boundsForCharacter(accessibilityObject(), start);
+    for (int i = 1; i < len; i++) {
+        WebRect next = boundsForCharacter(accessibilityObject(), start + i);
+        int right = std::max(bounds.x + bounds.width, next.x + next.width);
+        int bottom = std::max(bounds.y + bounds.height, next.y + next.height);
+        bounds.x = std::min(bounds.x, next.x);
+        bounds.y = std::min(bounds.y, next.y);
+        bounds.width = right - bounds.x;
+        bounds.height = bottom - bounds.y;
+    }
+
+    char buffer[100];
+    snprintf(buffer, sizeof(buffer), "{x: %d, y: %d, width: %d, height: %d}", bounds.x, bounds.y, bounds.width, bounds.height);
+    result->set(string(buffer));
+}
+
+void WebAXObjectProxy::childAtIndexCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    if (!arguments.size() || !arguments[0].isNumber()) {
+        result->setNull();
+        return;
+    }
+
+    WebAXObjectProxy* child = getChildAtIndex(arguments[0].toInt32());
+    if (!child) {
+        result->setNull();
+        return;
+    }
+
+    result->set(*(child->getAsCppVariant()));
+}
+
+void WebAXObjectProxy::elementAtPointCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    result->setNull();
+
+    if (arguments.size() != 2 || !arguments[0].isNumber() || !arguments[1].isNumber())
+        return;
+
+    int x = arguments[0].toInt32();
+    int y = arguments[1].toInt32();
+    WebPoint point(x, y);
+    WebAXObject obj = accessibilityObject().hitTest(point);
+    if (obj.isNull())
+        return;
+
+    result->set(*(m_factory->getOrCreate(obj)->getAsCppVariant()));
+}
+
+void WebAXObjectProxy::tableHeaderCallback(const CppArgumentList&, CppVariant* result)
+{
+    WebAXObject obj = accessibilityObject().headerContainerObject();
+    if (obj.isNull()) {
+        result->setNull();
+        return;
+    }
+
+    result->set(*(m_factory->getOrCreate(obj)->getAsCppVariant()));
+}
+
+void WebAXObjectProxy::rowIndexRangeCallback(const CppArgumentList&, CppVariant* result)
+{
+    unsigned rowIndex = accessibilityObject().cellRowIndex();
+    unsigned rowSpan = accessibilityObject().cellRowSpan();
+    char buffer[100];
+    snprintf(buffer, sizeof(buffer), "{%d, %d}", rowIndex, rowSpan);
+    string value = buffer;
+    result->set(std::string(buffer));
+}
+
+void WebAXObjectProxy::columnIndexRangeCallback(const CppArgumentList&, CppVariant* result)
+{
+    unsigned columnIndex = accessibilityObject().cellColumnIndex();
+    unsigned columnSpan = accessibilityObject().cellColumnSpan();
+    char buffer[100];
+    snprintf(buffer, sizeof(buffer), "{%d, %d}", columnIndex, columnSpan);
+    result->set(std::string(buffer));
+}
+
+void WebAXObjectProxy::cellForColumnAndRowCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    if (arguments.size() != 2 || !arguments[0].isNumber() || !arguments[1].isNumber())
+        return;
+
+    int column = arguments[0].toInt32();
+    int row = arguments[1].toInt32();
+    WebAXObject obj = accessibilityObject().cellForColumnAndRow(column, row);
+    if (obj.isNull()) {
+        result->setNull();
+        return;
+    }
+
+    result->set(*(m_factory->getOrCreate(obj)->getAsCppVariant()));
+}
+
+void WebAXObjectProxy::titleUIElementCallback(const CppArgumentList&, CppVariant* result)
+{
+    WebAXObject obj = accessibilityObject().titleUIElement();
+    if (obj.isNull()) {
+        result->setNull();
+        return;
+    }
+
+    result->set(*(m_factory->getOrCreate(obj)->getAsCppVariant()));
+}
+
+void WebAXObjectProxy::setSelectedTextRangeCallback(const CppArgumentList&arguments, CppVariant* result)
+{
+    result->setNull();
+    if (arguments.size() != 2 || !arguments[0].isNumber() || !arguments[1].isNumber())
+        return;
+
+    int selectionStart = arguments[0].toInt32();
+    int selectionEnd = selectionStart + arguments[1].toInt32();
+    accessibilityObject().setSelectedTextRange(selectionStart, selectionEnd);
+}
+
+void WebAXObjectProxy::isAttributeSettableCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    if (arguments.size() < 1 && !arguments[0].isString()) {
+        result->setNull();
+        return;
+    }
+
+    string attribute = arguments[0].toString();
+    bool settable = false;
+    if (attribute == "AXValue")
+        settable = accessibilityObject().canSetValueAttribute();
+    result->set(settable);
+}
+
+void WebAXObjectProxy::isPressActionSupportedCallback(const CppArgumentList&, CppVariant* result)
+{
+    result->set(accessibilityObject().canPress());
+}
+
+void WebAXObjectProxy::isIncrementActionSupportedCallback(const CppArgumentList&, CppVariant* result)
+{
+    result->set(accessibilityObject().canIncrement());
+}
+
+void WebAXObjectProxy::isDecrementActionSupportedCallback(const CppArgumentList&, CppVariant* result)
+{
+    result->set(accessibilityObject().canDecrement());
+}
+
+void WebAXObjectProxy::parentElementCallback(const CppArgumentList&, CppVariant* result)
+{
+    WebAXObject parentObject = accessibilityObject().parentObject();
+    while (parentObject.accessibilityIsIgnored())
+        parentObject = parentObject.parentObject();
+    WebAXObjectProxy* parent = m_factory->getOrCreate(parentObject);
+    if (!parent) {
+        result->setNull();
+        return;
+    }
+
+    result->set(*(parent->getAsCppVariant()));
+}
+
+void WebAXObjectProxy::incrementCallback(const CppArgumentList&, CppVariant* result)
+{
+    accessibilityObject().increment();
+    result->setNull();
+}
+
+void WebAXObjectProxy::decrementCallback(const CppArgumentList&, CppVariant* result)
+{
+    accessibilityObject().decrement();
+    result->setNull();
+}
+
+void WebAXObjectProxy::showMenuCallback(const CppArgumentList&, CppVariant* result)
+{
+    result->setNull();
+}
+
+void WebAXObjectProxy::pressCallback(const CppArgumentList&, CppVariant* result)
+{
+    accessibilityObject().press();
+    result->setNull();
+}
+
+void WebAXObjectProxy::isEqualCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    if (arguments.size() < 1 || !arguments[0].isObject()) {
+        result->setNull();
+        return;
+    }
+
+    result->set(arguments[0].isEqual(*getAsCppVariant()));
+}
+
+void WebAXObjectProxy::addNotificationListenerCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    if (arguments.size() < 1 || !arguments[0].isObject()) {
+        result->setNull();
+        return;
+    }
+
+    m_notificationCallbacks.push_back(arguments[0]);
+    result->setNull();
+}
+
+void WebAXObjectProxy::removeNotificationListenerCallback(const CppArgumentList&, CppVariant* result)
+{
+    // FIXME: Implement this.
+    result->setNull();
+}
+
+void WebAXObjectProxy::takeFocusCallback(const CppArgumentList&, CppVariant* result)
+{
+    accessibilityObject().setFocused(true);
+    result->setNull();
+}
+
+void WebAXObjectProxy::scrollToMakeVisibleCallback(const CppArgumentList&, CppVariant* result)
+{
+    accessibilityObject().scrollToMakeVisible();
+    result->setNull();
+}
+
+void WebAXObjectProxy::scrollToMakeVisibleWithSubFocusCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    result->setNull();
+
+    if (arguments.size() != 4
+        || !arguments[0].isNumber()
+        || !arguments[1].isNumber()
+        || !arguments[2].isNumber()
+        || !arguments[3].isNumber())
+        return;
+
+    int x = arguments[0].toInt32();
+    int y = arguments[1].toInt32();
+    int width = arguments[2].toInt32();
+    int height = arguments[3].toInt32();
+    accessibilityObject().scrollToMakeVisibleWithSubFocus(WebRect(x, y, width, height));
+    result->setNull();
+}
+
+void WebAXObjectProxy::scrollToGlobalPointCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    result->setNull();
+
+    if (arguments.size() != 2
+        || !arguments[0].isNumber()
+        || !arguments[1].isNumber())
+        return;
+
+    int x = arguments[0].toInt32();
+    int y = arguments[1].toInt32();
+
+    accessibilityObject().scrollToGlobalPoint(WebPoint(x, y));
+    result->setNull();
+}
+
+void WebAXObjectProxy::wordStartCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    result->setNull();
+
+    if (arguments.size() != 1 || !arguments[0].isNumber())
+        return;
+
+    if (accessibilityObject().role() != WebAXRoleStaticText)
+        return;
+
+    int characterIndex = arguments[0].toInt32();
+    int wordStart, wordEnd;
+    getBoundariesForOneWord(accessibilityObject(), characterIndex, wordStart, wordEnd);
+    result->set(wordStart);
+}
+
+void WebAXObjectProxy::wordEndCallback(const CppArgumentList& arguments, CppVariant* result)
+{
+    result->setNull();
+
+    if (arguments.size() != 1 || !arguments[0].isNumber())
+        return;
+
+    if (accessibilityObject().role() != WebAXRoleStaticText)
+        return;
+
+    int characterIndex = arguments[0].toInt32();
+    int wordStart, wordEnd;
+    getBoundariesForOneWord(accessibilityObject(), characterIndex, wordStart, wordEnd);
+    result->set(wordEnd);
+}
+
+void WebAXObjectProxy::fallbackCallback(const CppArgumentList &, CppVariant* result)
+{
+    result->setNull();
+}
+
+RootWebAXObjectProxy::RootWebAXObjectProxy(const WebAXObject &object, Factory *factory)
+    : WebAXObjectProxy(object, factory) { }
+
+WebAXObjectProxy* RootWebAXObjectProxy::getChildAtIndex(unsigned index)
+{
+    if (index)
+        return 0;
+
+    return factory()->getOrCreate(accessibilityObject());
+}
+
+bool RootWebAXObjectProxy::isRoot() const
+{
+    return true;
+}
+
+WebAXObjectProxyList::WebAXObjectProxyList()
+{
+}
+
+WebAXObjectProxyList::~WebAXObjectProxyList()
+{
+    clear();
+}
+
+void WebAXObjectProxyList::clear()
+{
+    for (ElementList::iterator i = m_elements.begin(); i != m_elements.end(); ++i)
+        delete (*i);
+    m_elements.clear();
+}
+
+WebAXObjectProxy* WebAXObjectProxyList::getOrCreate(const WebAXObject& object)
+{
+    if (object.isNull())
+        return 0;
+
+    size_t elementCount = m_elements.size();
+    for (size_t i = 0; i < elementCount; i++) {
+        if (m_elements[i]->isEqual(object))
+            return m_elements[i];
+    }
+
+    WebAXObjectProxy* element = new WebAXObjectProxy(object, this);
+    m_elements.push_back(element);
+    return element;
+}
+
+WebAXObjectProxy* WebAXObjectProxyList::createRoot(const WebAXObject& object)
+{
+    WebAXObjectProxy* element = new RootWebAXObjectProxy(object, this);
+    m_elements.push_back(element);
+    return element;
+}
+
+}