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 AXMediaControls_h 31 #define AXMediaControls_h 32 33 #include "core/accessibility/AXSlider.h" 34 #include "core/html/shadow/MediaControlElements.h" 35 36 namespace blink { 37 38 class AccessibilityMediaControl : public AXRenderObject { 39 40 public: 41 static PassRefPtr<AXObject> create(RenderObject*); ~AccessibilityMediaControl()42 virtual ~AccessibilityMediaControl() { } 43 44 virtual AccessibilityRole roleValue() const OVERRIDE; 45 46 virtual String title() const OVERRIDE FINAL; 47 virtual String accessibilityDescription() const OVERRIDE; 48 virtual String helpText() const OVERRIDE; 49 50 protected: 51 explicit AccessibilityMediaControl(RenderObject*); 52 MediaControlElementType controlType() const; 53 virtual bool computeAccessibilityIsIgnored() const OVERRIDE; 54 }; 55 56 57 class AccessibilityMediaTimeline FINAL : public AXSlider { 58 59 public: 60 static PassRefPtr<AXObject> create(RenderObject*); ~AccessibilityMediaTimeline()61 virtual ~AccessibilityMediaTimeline() { } 62 63 virtual String helpText() const OVERRIDE; 64 virtual String valueDescription() const OVERRIDE; 65 const AtomicString& getAttribute(const QualifiedName& attribute) const; 66 67 private: 68 explicit AccessibilityMediaTimeline(RenderObject*); 69 }; 70 71 72 class AXMediaControlsContainer FINAL : public AccessibilityMediaControl { 73 74 public: 75 static PassRefPtr<AXObject> create(RenderObject*); ~AXMediaControlsContainer()76 virtual ~AXMediaControlsContainer() { } 77 roleValue()78 virtual AccessibilityRole roleValue() const OVERRIDE { return ToolbarRole; } 79 80 virtual String helpText() const OVERRIDE; 81 virtual String accessibilityDescription() const OVERRIDE; 82 83 private: 84 explicit AXMediaControlsContainer(RenderObject*); 85 bool controllingVideoElement() const; 86 virtual bool computeAccessibilityIsIgnored() const OVERRIDE; 87 }; 88 89 90 class AccessibilityMediaTimeDisplay FINAL : public AccessibilityMediaControl { 91 92 public: 93 static PassRefPtr<AXObject> create(RenderObject*); ~AccessibilityMediaTimeDisplay()94 virtual ~AccessibilityMediaTimeDisplay() { } 95 roleValue()96 virtual AccessibilityRole roleValue() const OVERRIDE { return StaticTextRole; } 97 98 virtual String stringValue() const OVERRIDE; 99 virtual String accessibilityDescription() const OVERRIDE; 100 101 private: 102 explicit AccessibilityMediaTimeDisplay(RenderObject*); 103 virtual bool computeAccessibilityIsIgnored() const OVERRIDE; 104 }; 105 106 107 } // namespace blink 108 109 #endif // AXMediaControls_h 110