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
|
/*
* Copyright (C) 2011 Google 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_HTML_TRACK_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_HTML_TRACK_ELEMENT_H_
#include "third_party/blink/renderer/core/html/html_element.h"
#include "third_party/blink/renderer/core/html/track/text_track.h"
#include "third_party/blink/renderer/core/loader/text_track_loader.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
class HTMLMediaElement;
class LoadableTextTrack;
class HTMLTrackElement final : public HTMLElement,
private TextTrackLoaderClient {
DEFINE_WRAPPERTYPEINFO();
public:
explicit HTMLTrackElement(Document&);
const AtomicString& kind();
void setKind(const AtomicString&);
enum ReadyState { kNone = 0, kLoading = 1, kLoaded = 2, kError = 3 };
ReadyState getReadyState();
void ScheduleLoad();
TextTrack* track();
void Trace(Visitor*) const override;
private:
~HTMLTrackElement() override;
void ParseAttribute(const AttributeModificationParams&) override;
InsertionNotificationRequest InsertedInto(ContainerNode&) override;
void RemovedFrom(ContainerNode&) override;
bool IsURLAttribute(const Attribute&) const override;
// TextTrackLoaderClient
void NewCuesAvailable(TextTrackLoader*) override;
void CueLoadingCompleted(TextTrackLoader*, bool loading_failed) override;
void SetReadyState(ReadyState);
const AtomicString& MediaElementCrossOriginAttribute() const;
bool CanLoadUrl(const KURL&);
void LoadTimerFired(TimerBase*);
enum LoadStatus { kFailure, kSuccess };
void DidCompleteLoad(LoadStatus);
HTMLMediaElement* MediaElement() const;
LoadableTextTrack* EnsureTrack();
Member<LoadableTextTrack> track_;
Member<TextTrackLoader> loader_;
TaskRunnerTimer<HTMLTrackElement> load_timer_;
KURL url_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_HTML_TRACK_ELEMENT_H_
|
