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/*
* Copyright (C) 2010 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 Computer, 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.
*/
#ifndef AccessibilityScrollbar_h
#define AccessibilityScrollbar_h
#include "AccessibilityObject.h"
namespace WebCore {
class Scrollbar;
class AccessibilityScrollbar : public AccessibilityObject {
public:
static PassRefPtr<AccessibilityScrollbar> create();
void setScrollbar(Scrollbar* scrollbar) { m_scrollbar = scrollbar; }
virtual AccessibilityRole roleValue() const { return ScrollBarRole; }
virtual float valueForRange() const;
private:
AccessibilityScrollbar();
virtual bool accessibilityIsIgnored() const { return false; }
// These should never be reached since the AccessibilityScrollbar is not part of
// the accessibility tree.
virtual IntSize size() const { ASSERT_NOT_REACHED(); return IntSize(); }
virtual IntRect elementRect() const { ASSERT_NOT_REACHED(); return IntRect(); }
virtual AccessibilityObject* parentObject() const { ASSERT_NOT_REACHED(); return 0; }
Scrollbar* m_scrollbar;
};
} // namespace WebCore
#endif // AccessibilityScrollbar_h
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