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