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 "AccessibilityRenderObject.h" 33 34 namespace WebCore { 35 36 class HTMLInputElement; 37 38 class AccessibilitySlider : public AccessibilityRenderObject { 39 40 public: 41 static PassRefPtr<AccessibilitySlider> create(RenderObject*); 42 virtual ~AccessibilitySlider() { } 43 44 protected: 45 AccessibilitySlider(RenderObject*); 46 47 private: 48 HTMLInputElement* element() const; 49 virtual bool accessibilityIsIgnored() const; 50 virtual AccessibilityObject* elementAccessibilityHitTest(const IntPoint&) const; 51 52 virtual AccessibilityRole roleValue() const { return SliderRole; } 53 virtual bool isSlider() const { return true; } 54 virtual bool isInputSlider() const { return true; } 55 56 virtual const AccessibilityChildrenVector& children(); 57 virtual void addChildren(); 58 59 virtual bool canSetValueAttribute() const { return true; } 60 const AtomicString& getAttribute(const QualifiedName& attribute) const; 61 62 virtual void setValue(const String&); 63 virtual float valueForRange() const; 64 virtual float maxValueForRange() const; 65 virtual float minValueForRange() const; 66 virtual AccessibilityOrientation orientation() const; 67 }; 68 69 class AccessibilitySliderThumb : public AccessibilityObject { 70 71 public: 72 static PassRefPtr<AccessibilitySliderThumb> create(); 73 virtual ~AccessibilitySliderThumb() { } 74 75 virtual AccessibilityRole roleValue() const { return SliderThumbRole; } 76 77 void setParentObject(AccessibilitySlider* slider) { m_parentSlider = slider; } 78 virtual AccessibilityObject* parentObject() const { return m_parentSlider; } 79 80 virtual IntSize size() const; 81 virtual IntRect elementRect() const; 82 83 virtual bool accessibilityIsIgnored() const; 84 85 private: 86 AccessibilitySliderThumb(); 87 88 AccessibilitySlider* m_parentSlider; 89 }; 90 91 92 } // namespace WebCore 93 94 #endif // AccessibilitySlider_h 95
