1 /* 2 * Copyright (C) 2009 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 AccessibilitySlider_h 30 #define AccessibilitySlider_h 31 32 #include "core/accessibility/AccessibilityMockObject.h" 33 #include "core/accessibility/AccessibilityRenderObject.h" 34 35 namespace WebCore { 36 37 class HTMLInputElement; 38 39 class AccessibilitySlider : public AccessibilityRenderObject { 40 41 public: 42 static PassRefPtr<AccessibilitySlider> create(RenderObject*); 43 virtual ~AccessibilitySlider() { } 44 45 protected: 46 explicit AccessibilitySlider(RenderObject*); 47 48 private: 49 HTMLInputElement* element() const; 50 virtual AccessibilityObject* elementAccessibilityHitTest(const IntPoint&) const OVERRIDE; 51 52 virtual AccessibilityRole roleValue() const OVERRIDE { return SliderRole; } 53 virtual bool isSlider() const OVERRIDE { return true; } 54 virtual bool isControl() const OVERRIDE { return true; } 55 56 virtual void addChildren() OVERRIDE; 57 58 virtual bool canSetValueAttribute() const OVERRIDE { return true; } 59 const AtomicString& getAttribute(const QualifiedName& attribute) const; 60 61 virtual void setValue(const String&) OVERRIDE; 62 virtual float valueForRange() const OVERRIDE; 63 virtual float maxValueForRange() const OVERRIDE; 64 virtual float minValueForRange() const OVERRIDE; 65 virtual AccessibilityOrientation orientation() const OVERRIDE; 66 }; 67 68 class AccessibilitySliderThumb : public AccessibilityMockObject { 69 70 public: 71 static PassRefPtr<AccessibilitySliderThumb> create(); 72 virtual ~AccessibilitySliderThumb() { } 73 74 virtual AccessibilityRole roleValue() const OVERRIDE { return SliderThumbRole; } 75 76 virtual LayoutRect elementRect() const OVERRIDE; 77 78 private: 79 AccessibilitySliderThumb(); 80 81 virtual bool computeAccessibilityIsIgnored() const OVERRIDE; 82 }; 83 84 85 } // namespace WebCore 86 87 #endif // AccessibilitySlider_h 88