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 30 #ifndef AccessibilityMediaControls_h 31 #define AccessibilityMediaControls_h 32 33 #if ENABLE(VIDEO) 34 35 #include "AccessibilitySlider.h" 36 #include "MediaControlElements.h" 37 38 namespace WebCore { 39 40 class AccessibilityMediaControl : public AccessibilityRenderObject { 41 42 public: 43 static PassRefPtr<AccessibilityObject> create(RenderObject*); ~AccessibilityMediaControl()44 virtual ~AccessibilityMediaControl() { } 45 46 virtual AccessibilityRole roleValue() const; 47 virtual bool accessibilityIsIgnored() const; 48 49 virtual String title() const; 50 virtual String accessibilityDescription() const; 51 virtual String helpText() const; 52 53 protected: 54 AccessibilityMediaControl(RenderObject*); 55 MediaControlElementType controlType() const; 56 String controlTypeName() const; 57 }; 58 59 60 class AccessibilityMediaTimeline : public AccessibilitySlider { 61 62 public: 63 static PassRefPtr<AccessibilityObject> create(RenderObject*); ~AccessibilityMediaTimeline()64 virtual ~AccessibilityMediaTimeline() { } 65 isMediaTimeline()66 virtual bool isMediaTimeline() const { return true; } 67 68 virtual String helpText() const; 69 virtual String valueDescription() const; 70 const AtomicString& getAttribute(const QualifiedName& attribute) const; 71 72 private: 73 AccessibilityMediaTimeline(RenderObject*); 74 }; 75 76 77 class AccessibilityMediaControlsContainer : public AccessibilityMediaControl { 78 79 public: 80 static PassRefPtr<AccessibilityObject> create(RenderObject*); ~AccessibilityMediaControlsContainer()81 virtual ~AccessibilityMediaControlsContainer() { } 82 roleValue()83 virtual AccessibilityRole roleValue() const { return ToolbarRole; } accessibilityIsIgnored()84 virtual bool accessibilityIsIgnored() const { return false; } 85 86 virtual String helpText() const; 87 virtual String accessibilityDescription() const; 88 89 private: 90 AccessibilityMediaControlsContainer(RenderObject*); 91 bool controllingVideoElement() const; 92 const String elementTypeName() const; 93 }; 94 95 96 class AccessibilityMediaTimeDisplay : public AccessibilityMediaControl { 97 98 public: 99 static PassRefPtr<AccessibilityObject> create(RenderObject*); ~AccessibilityMediaTimeDisplay()100 virtual ~AccessibilityMediaTimeDisplay() { } 101 roleValue()102 virtual AccessibilityRole roleValue() const { return StaticTextRole; } 103 virtual bool accessibilityIsIgnored() const; 104 105 virtual String stringValue() const; 106 virtual String accessibilityDescription() const; 107 108 private: 109 AccessibilityMediaTimeDisplay(RenderObject*); 110 }; 111 112 113 } // namespace WebCore 114 115 #endif // ENABLE(VIDEO) 116 117 #endif // AccessibilityMediaControls_h 118