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/*
* Copyright (C) 2011 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 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 "AXRemoteFrame.h"
#include "AccessibilityObject.h"
#include "ScrollView.h"
namespace WebCore {
class AXRemoteFrame;
class AccessibilityScrollbar;
class Scrollbar;
class ScrollView;
class AccessibilityScrollView final : public AccessibilityObject {
public:
static Ref<AccessibilityScrollView> create(AXID, ScrollView&);
AccessibilityRole determineAccessibilityRole() final { return AccessibilityRole::ScrollArea; }
ScrollView* scrollView() const final { return currentScrollView(); }
virtual ~AccessibilityScrollView();
AccessibilityObject* webAreaObject() const final;
void setNeedsToUpdateChildren() final { m_childrenDirty = true; }
RefPtr<AXRemoteFrame> remoteFrame() const { return m_remoteFrame; }
private:
explicit AccessibilityScrollView(AXID, ScrollView&);
void detachRemoteParts(AccessibilityDetachmentType) final;
ScrollView* currentScrollView() const;
ScrollableArea* getScrollableAreaIfScrollable() const final { return currentScrollView(); }
void scrollTo(const IntPoint&) const final;
bool computeIsIgnored() const final;
bool isAccessibilityScrollViewInstance() const final { return true; }
bool isEnabled() const final { return true; }
bool hasRemoteFrameChild() const final { return m_remoteFrame; }
bool isAttachment() const final;
PlatformWidget platformWidget() const final;
Widget* widgetForAttachmentView() const final { return currentScrollView(); }
AccessibilityObject* scrollBar(AccessibilityOrientation) final;
void addChildren() final;
void clearChildren() final;
AccessibilityObject* accessibilityHitTest(const IntPoint&) const final;
void updateChildrenIfNecessary() final;
void updateScrollbars();
void setFocused(bool) final;
bool canSetFocusAttribute() const final;
bool isFocused() const final;
void addRemoteFrameChild();
Document* document() const final;
LocalFrameView* documentFrameView() const final;
LayoutRect elementRect() const final;
AccessibilityObject* parentObject() const final;
AccessibilityObject* firstChild() const final { return webAreaObject(); }
AccessibilityScrollbar* addChildScrollbar(Scrollbar*);
void removeChildScrollbar(AccessibilityObject*);
SingleThreadWeakPtr<ScrollView> m_scrollView;
WeakPtr<HTMLFrameOwnerElement, WeakPtrImplWithEventTargetData> m_frameOwnerElement;
RefPtr<AccessibilityObject> m_horizontalScrollbar;
RefPtr<AccessibilityObject> m_verticalScrollbar;
bool m_childrenDirty;
RefPtr<AXRemoteFrame> m_remoteFrame;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::AccessibilityScrollView) \
static bool isType(const WebCore::AccessibilityObject& object) { return object.isAccessibilityScrollViewInstance(); } \
SPECIALIZE_TYPE_TRAITS_END()
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