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/*
* Copyright (C) 2008 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.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
*/
#pragma once
#include "AccessibilityNodeObject.h"
#include "LayoutRect.h"
#include "RenderObject.h"
#include <wtf/Forward.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class AccessibilitySVGRoot;
class AXObjectCache;
class Element;
class HTMLAreaElement;
class HTMLElement;
class HTMLLabelElement;
class HTMLMapElement;
class IntPoint;
class IntSize;
class LocalFrameView;
class Node;
class RenderTextControl;
class RenderView;
class VisibleSelection;
class AccessibilityRenderObject : public AccessibilityNodeObject {
public:
static Ref<AccessibilityRenderObject> create(RenderObject*);
virtual ~AccessibilityRenderObject();
bool isAttachment() const override;
bool isOffScreen() const override;
bool hasBoldFont() const override;
bool hasItalicFont() const override;
bool hasPlainText() const override;
bool hasSameFont(const AXCoreObject&) const override;
bool hasSameFontColor(const AXCoreObject&) const override;
bool hasSameStyle(const AXCoreObject&) const override;
bool hasUnderline() const override;
void setAccessibleName(const AtomString&) override;
int layoutCount() const override;
AccessibilityObject* firstChild() const override;
AccessibilityObject* lastChild() const override;
AccessibilityObject* previousSibling() const override;
AccessibilityObject* nextSibling() const override;
AccessibilityObject* parentObject() const override;
AccessibilityObject* parentObjectIfExists() const override;
AccessibilityObject* observableObject() const override;
AccessibilityObject* titleUIElement() const override;
// Should be called on the root accessibility object to kick off a hit test.
AXCoreObject* accessibilityHitTest(const IntPoint&) const override;
Element* anchorElement() const override;
LayoutRect boundingBoxRect() const override;
RenderObject* renderer() const final { return m_renderer.get(); }
Node* node() const override;
Document* document() const override;
URL url() const override;
CharacterRange selectedTextRange() const override;
int insertionPointLineNumber() const override;
String stringValue() const override;
String helpText() const override;
String textUnderElement(AccessibilityTextUnderElementMode = AccessibilityTextUnderElementMode()) const override;
String selectedText() const override;
bool isWidget() const override;
Widget* widget() const override;
Widget* widgetForAttachmentView() const override;
AccessibilityChildrenVector documentLinks() override;
LocalFrameView* documentFrameView() const override;
void setSelectedTextRange(CharacterRange&&) override;
bool setValue(const String&) override;
void addChildren() override;
IntRect boundsForVisiblePositionRange(const VisiblePositionRange&) const override;
void setSelectedVisiblePositionRange(const VisiblePositionRange&) const override;
bool isVisiblePositionRangeInDifferentDocument(const VisiblePositionRange&) const;
VisiblePosition visiblePositionForIndex(unsigned indexValue, bool lastIndexOK) const override;
int index(const VisiblePosition&) const override;
VisiblePosition visiblePositionForIndex(int) const final;
int indexForVisiblePosition(const VisiblePosition&) const final;
CharacterRange doAXRangeForLine(unsigned) const override;
CharacterRange doAXRangeForIndex(unsigned) const override;
String doAXStringForRange(const CharacterRange&) const override;
IntRect doAXBoundsForRange(const CharacterRange&) const override;
IntRect doAXBoundsForRangeUsingCharacterOffset(const CharacterRange&) const override;
String secureFieldValue() const override;
void titleElementText(Vector<AccessibilityText>&) const override;
protected:
explicit AccessibilityRenderObject(RenderObject*);
explicit AccessibilityRenderObject(Node&);
void detachRemoteParts(AccessibilityDetachmentType) override;
ScrollableArea* getScrollableAreaIfScrollable() const override;
void scrollTo(const IntPoint&) const override;
bool isDetached() const final { return !m_renderer && AccessibilityNodeObject::isDetached(); }
bool shouldIgnoreAttributeRole() const override;
AccessibilityRole determineAccessibilityRole() override;
bool computeAccessibilityIsIgnored() const override;
#if ENABLE(MATHML)
virtual bool isIgnoredElementWithinMathTree() const;
#endif
WeakPtr<RenderObject> m_renderer;
private:
bool isAccessibilityRenderObject() const final { return true; }
bool isAllowedChildOfTree() const;
CharacterRange documentBasedSelectedTextRange() const;
Element* rootEditableElementForPosition(const Position&) const;
bool nodeIsTextControl(const Node*) const;
Path elementPath() const override;
AXCoreObject* accessibilityImageMapHitTest(HTMLAreaElement*, const IntPoint&) const;
AccessibilityObject* accessibilityParentForImageMap(HTMLMapElement*) const;
AXCoreObject* elementAccessibilityHitTest(const IntPoint&) const override;
bool renderObjectIsObservable(RenderObject&) const;
RenderObject* renderParentObject() const;
#if USE(ATSPI)
RenderObject* markerRenderer() const;
#endif
bool isSVGImage() const;
void detachRemoteSVGRoot();
enum CreationChoice { Create, Retrieve };
AccessibilitySVGRoot* remoteSVGRootElement(CreationChoice createIfNecessary) const;
AXCoreObject* remoteSVGElementHitTest(const IntPoint&) const;
void offsetBoundingBoxForRemoteSVGElement(LayoutRect&) const;
bool supportsPath() const override;
void addNodeOnlyChildren();
void addTextFieldChildren();
void addImageMapChildren();
void addCanvasChildren();
void addAttachmentChildren();
void addRemoteSVGChildren();
#if USE(ATSPI)
void addListItemMarker();
#endif
#if PLATFORM(COCOA)
void updateAttachmentViewParents();
#endif
String expandedTextValue() const override;
bool supportsExpandedTextValue() const override;
void updateRoleAfterChildrenCreation();
bool inheritsPresentationalRole() const override;
bool shouldGetTextFromNode(AccessibilityTextUnderElementMode) const;
#if ENABLE(APPLE_PAY)
bool isApplePayButton() const;
ApplePayButtonType applePayButtonType() const;
String applePayButtonDescription() const;
#endif
bool canHavePlainText() const;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_ACCESSIBILITY(AccessibilityRenderObject, isAccessibilityRenderObject())
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