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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 "AccessibilityObject.h"
#include "ScrollView.h"
namespace WebCore {
class AccessibilityScrollbar;
class Scrollbar;
class ScrollView;
class AccessibilityScrollView final : public AccessibilityObject {
public:
static Ref<AccessibilityScrollView> create(ScrollView*);
AccessibilityRole roleValue() const override { return AccessibilityRole::ScrollArea; }
ScrollView* scrollView() const override { return currentScrollView(); }
virtual ~AccessibilityScrollView();
AccessibilityObject* webAreaObject() const override;
private:
explicit AccessibilityScrollView(ScrollView*);
void detachRemoteParts(AccessibilityDetachmentType) override;
ScrollView* currentScrollView() const;
ScrollableArea* getScrollableAreaIfScrollable() const override { return currentScrollView(); }
void scrollTo(const IntPoint&) const override;
bool computeAccessibilityIsIgnored() const override;
bool isAccessibilityScrollViewInstance() const override { return true; }
bool isEnabled() const override { return true; }
bool isAttachment() const override;
PlatformWidget platformWidget() const override;
Widget* widgetForAttachmentView() const override { return currentScrollView(); }
AccessibilityObject* scrollBar(AccessibilityOrientation) override;
void addChildren() override;
void clearChildren() override;
AXCoreObject* accessibilityHitTest(const IntPoint&) const override;
void updateChildrenIfNecessary() override;
void setNeedsToUpdateChildren() override { m_childrenDirty = true; }
void updateScrollbars();
void setFocused(bool) override;
bool canSetFocusAttribute() const override;
bool isFocused() const override;
Document* document() const override;
FrameView* documentFrameView() const override;
LayoutRect elementRect() const override;
AccessibilityObject* parentObject() const override;
AccessibilityObject* parentObjectIfExists() const override { return parentObject(); }
AccessibilityObject* firstChild() const override { return webAreaObject(); }
AccessibilityScrollbar* addChildScrollbar(Scrollbar*);
void removeChildScrollbar(AccessibilityObject*);
WeakPtr<ScrollView> m_scrollView;
WeakPtr<HTMLFrameOwnerElement> m_frameOwnerElement;
RefPtr<AccessibilityObject> m_horizontalScrollbar;
RefPtr<AccessibilityObject> m_verticalScrollbar;
bool m_childrenDirty;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_ACCESSIBILITY(AccessibilityScrollView, isAccessibilityScrollViewInstance())
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