89 lines
3.6 KiB
C++
89 lines
3.6 KiB
C++
/*
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* Copyright (C) 2011 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "AccessibilityObject.h"
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namespace WebCore {
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class AccessibilityScrollbar;
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class Scrollbar;
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class ScrollView;
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class AccessibilityScrollView final : public AccessibilityObject {
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public:
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static Ref<AccessibilityScrollView> create(ScrollView*);
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AccessibilityRole roleValue() const override { return AccessibilityRole::ScrollArea; }
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ScrollView* scrollView() const override { return m_scrollView.get(); }
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virtual ~AccessibilityScrollView();
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AccessibilityObject* webAreaObject() const override;
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private:
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explicit AccessibilityScrollView(ScrollView*);
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void detachRemoteParts(AccessibilityDetachmentType) override;
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ScrollableArea* getScrollableAreaIfScrollable() const override;
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void scrollTo(const IntPoint&) const override;
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bool computeAccessibilityIsIgnored() const override;
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bool isAccessibilityScrollViewInstance() const override { return true; }
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bool isEnabled() const override { return true; }
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bool isAttachment() const override;
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PlatformWidget platformWidget() const override;
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Widget* widgetForAttachmentView() const override;
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AccessibilityObject* scrollBar(AccessibilityOrientation) override;
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void addChildren() override;
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void clearChildren() override;
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AXCoreObject* accessibilityHitTest(const IntPoint&) const override;
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void updateChildrenIfNecessary() override;
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void setNeedsToUpdateChildren() override { m_childrenDirty = true; }
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void updateScrollbars();
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void setFocused(bool) override;
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bool canSetFocusAttribute() const override;
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bool isFocused() const override;
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FrameView* documentFrameView() const override;
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LayoutRect elementRect() const override;
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AccessibilityObject* parentObject() const override;
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AccessibilityObject* parentObjectIfExists() const override;
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AccessibilityObject* firstChild() const override { return webAreaObject(); }
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AccessibilityScrollbar* addChildScrollbar(Scrollbar*);
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void removeChildScrollbar(AccessibilityObject*);
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WeakPtr<ScrollView> m_scrollView;
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RefPtr<AccessibilityObject> m_horizontalScrollbar;
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RefPtr<AccessibilityObject> m_verticalScrollbar;
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bool m_childrenDirty;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_ACCESSIBILITY(AccessibilityScrollView, isAccessibilityScrollViewInstance())
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