1 /* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef AccessibilityScrollbar_h 30 #define AccessibilityScrollbar_h 31 32 #include "core/accessibility/AccessibilityMockObject.h" 33 34 namespace WebCore { 35 36 class Scrollbar; 37 38 class AccessibilityScrollbar : public AccessibilityMockObject { 39 public: 40 static PassRefPtr<AccessibilityScrollbar> create(Scrollbar*); 41 42 Scrollbar* scrollbar() const { return m_scrollbar.get(); } 43 44 private: 45 explicit AccessibilityScrollbar(Scrollbar*); 46 47 virtual bool canSetValueAttribute() const OVERRIDE { return true; } 48 49 virtual bool isAccessibilityScrollbar() const OVERRIDE { return true; } 50 virtual LayoutRect elementRect() const OVERRIDE; 51 52 virtual AccessibilityRole roleValue() const OVERRIDE { return ScrollBarRole; } 53 virtual AccessibilityOrientation orientation() const OVERRIDE; 54 virtual Document* document() const OVERRIDE; 55 56 virtual bool isEnabled() const OVERRIDE; 57 58 // Assumes float [0..1] 59 virtual void setValue(float) OVERRIDE; 60 virtual float valueForRange() const OVERRIDE; 61 62 RefPtr<Scrollbar> m_scrollbar; 63 }; 64 65 } // namespace WebCore 66 67 #endif // AccessibilityScrollbar_h 68