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 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 "AccessibilityMockObject.h" 33#include "AccessibilityRenderObject.h" 34 35namespace WebCore { 36 37class HTMLInputElement; 38 39class AccessibilitySlider : public AccessibilityRenderObject { 40 41public: 42 static PassRefPtr<AccessibilitySlider> create(RenderObject*); 43 virtual ~AccessibilitySlider() { } 44 45protected: 46 explicit AccessibilitySlider(RenderObject*); 47 48private: 49 HTMLInputElement* inputElement() 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 isInputSlider() const override { return true; } 55 virtual bool isControl() const override { return true; } 56 57 virtual void addChildren() override; 58 59 virtual bool canSetValueAttribute() const override { return true; } 60 const AtomicString& getAttribute(const QualifiedName& attribute) const; 61 62 virtual void setValue(const String&) override; 63 virtual float valueForRange() const override; 64 virtual float maxValueForRange() const override; 65 virtual float minValueForRange() const override; 66 virtual AccessibilityOrientation orientation() const override; 67}; 68 69class AccessibilitySliderThumb : public AccessibilityMockObject { 70 71public: 72 static PassRefPtr<AccessibilitySliderThumb> create(); 73 virtual ~AccessibilitySliderThumb() { } 74 75 virtual bool isSliderThumb() const override final { return true; } 76 77 virtual AccessibilityRole roleValue() const override { return SliderThumbRole; } 78 79 virtual LayoutRect elementRect() const override; 80 81private: 82 AccessibilitySliderThumb(); 83 84 virtual bool computeAccessibilityIsIgnored() const override; 85}; 86 87ACCESSIBILITY_OBJECT_TYPE_CASTS(AccessibilitySliderThumb, isSliderThumb()) 88 89} // namespace WebCore 90 91#endif // AccessibilitySlider_h 92