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/*
* Copyright (C) 2016 Igalia, S.L.
* 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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 "AccessibilityRenderObject.h"
#include <wtf/WeakPtr.h>
namespace WebCore {
class AccessibilitySVGObject : public AccessibilityRenderObject {
public:
static Ref<AccessibilitySVGObject> create(AXID, RenderObject&, AXObjectCache&, bool isSVGRoot = false);
virtual ~AccessibilitySVGObject();
AccessibilityObject* parentObject() const override;
void setParent(AccessibilityRenderObject*);
bool isRootWithAccessibleContent() const;
bool isAccessibilitySVGObjectInstance() const final { return true; }
bool isAccessibilitySVGRoot() const final { return m_isSVGRoot; }
protected:
explicit AccessibilitySVGObject(AXID, RenderObject&, AXObjectCache&, bool isSVGRoot);
AccessibilityRole determineAriaRoleAttribute() const final;
private:
String description() const final;
String helpText() const final;
void accessibilityText(Vector<AccessibilityText>&) const final;
AccessibilityRole determineAccessibilityRole() override;
bool inheritsPresentationalRole() const final;
bool computeIsIgnored() const final;
AccessibilityObject* targetForUseElement() const;
// Returns true if the SVG element associated with this object has a <title> or <desc> child.
bool hasTitleOrDescriptionChild() const;
template <typename ChildrenType>
Element* childElementWithMatchingLanguage(ChildrenType&) const;
// Set for remote SVG resources, on the root.
WeakPtr<AccessibilityRenderObject> m_parent;
};
inline void AccessibilitySVGObject::setParent(AccessibilityRenderObject* parent)
{
ASSERT(m_isSVGRoot);
m_parent = parent;
}
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::AccessibilitySVGObject) \
static bool isType(const WebCore::AccessibilityObject& object) { return object.isAccessibilitySVGObjectInstance(); } \
SPECIALIZE_TYPE_TRAITS_END()
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