1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef AXMediaControls_h
#define AXMediaControls_h
#include "core/html/shadow/MediaControlElements.h"
#include "modules/accessibility/AXSlider.h"
namespace blink {
class AXObjectCacheImpl;
class AccessibilityMediaControl : public AXLayoutObject {
WTF_MAKE_NONCOPYABLE(AccessibilityMediaControl);
public:
static AXObject* create(LayoutObject*, AXObjectCacheImpl&);
~AccessibilityMediaControl() override {}
AccessibilityRole roleValue() const override;
String textAlternative(bool recursive,
bool inAriaLabelledByTraversal,
AXObjectSet& visited,
AXNameFrom&,
AXRelatedObjectVector*,
NameSources*) const override;
String description(AXNameFrom,
AXDescriptionFrom&,
AXObjectVector* descriptionObjects) const override;
protected:
AccessibilityMediaControl(LayoutObject*, AXObjectCacheImpl&);
MediaControlElementType controlType() const;
bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
};
class AccessibilityMediaTimeline final : public AXSlider {
WTF_MAKE_NONCOPYABLE(AccessibilityMediaTimeline);
public:
static AXObject* create(LayoutObject*, AXObjectCacheImpl&);
~AccessibilityMediaTimeline() override {}
String description(AXNameFrom,
AXDescriptionFrom&,
AXObjectVector* descriptionObjects) const override;
String valueDescription() const override;
private:
AccessibilityMediaTimeline(LayoutObject*, AXObjectCacheImpl&);
};
class AXMediaControlsContainer final : public AccessibilityMediaControl {
WTF_MAKE_NONCOPYABLE(AXMediaControlsContainer);
public:
static AXObject* create(LayoutObject*, AXObjectCacheImpl&);
~AXMediaControlsContainer() override {}
AccessibilityRole roleValue() const override { return ToolbarRole; }
String textAlternative(bool recursive,
bool inAriaLabelledByTraversal,
AXObjectSet& visited,
AXNameFrom&,
AXRelatedObjectVector*,
NameSources*) const override;
String description(AXNameFrom,
AXDescriptionFrom&,
AXObjectVector* descriptionObjects) const override;
private:
AXMediaControlsContainer(LayoutObject*, AXObjectCacheImpl&);
bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
};
class AccessibilityMediaTimeDisplay final : public AccessibilityMediaControl {
WTF_MAKE_NONCOPYABLE(AccessibilityMediaTimeDisplay);
public:
static AXObject* create(LayoutObject*, AXObjectCacheImpl&);
~AccessibilityMediaTimeDisplay() override {}
AccessibilityRole roleValue() const override { return StaticTextRole; }
String stringValue() const override;
String textAlternative(bool recursive,
bool inAriaLabelledByTraversal,
AXObjectSet& visited,
AXNameFrom&,
AXRelatedObjectVector*,
NameSources*) const override;
private:
AccessibilityMediaTimeDisplay(LayoutObject*, AXObjectCacheImpl&);
bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
};
} // namespace blink
#endif // AXMediaControls_h
|
