1 /*
2 * Copyright (C) 2012 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "core/html/track/InbandTextTrack.h"
28
29 #include "bindings/v8/ExceptionStatePlaceholder.h"
30 #include "core/html/track/vtt/VTTCue.h"
31 #include "platform/Logging.h"
32 #include "public/platform/WebInbandTextTrack.h"
33 #include "public/platform/WebString.h"
34 #include <math.h>
35
36 using blink::WebInbandTextTrack;
37 using blink::WebString;
38
39 namespace WebCore {
40
create(Document & document,TextTrackClient * client,WebInbandTextTrack * webTrack)41 PassRefPtr<InbandTextTrack> InbandTextTrack::create(Document& document, TextTrackClient* client, WebInbandTextTrack* webTrack)
42 {
43 return adoptRef(new InbandTextTrack(document, client, webTrack));
44 }
45
InbandTextTrack(Document & document,TextTrackClient * client,WebInbandTextTrack * webTrack)46 InbandTextTrack::InbandTextTrack(Document& document, TextTrackClient* client, WebInbandTextTrack* webTrack)
47 : TextTrack(document, client, emptyAtom, webTrack->label(), webTrack->language(), webTrack->id(), InBand)
48 , m_webTrack(webTrack)
49 {
50 m_webTrack->setClient(this);
51
52 switch (m_webTrack->kind()) {
53 case WebInbandTextTrack::KindSubtitles:
54 setKind(TextTrack::subtitlesKeyword());
55 break;
56 case WebInbandTextTrack::KindCaptions:
57 setKind(TextTrack::captionsKeyword());
58 break;
59 case WebInbandTextTrack::KindDescriptions:
60 setKind(TextTrack::descriptionsKeyword());
61 break;
62 case WebInbandTextTrack::KindChapters:
63 setKind(TextTrack::chaptersKeyword());
64 break;
65 case WebInbandTextTrack::KindMetadata:
66 setKind(TextTrack::metadataKeyword());
67 break;
68 case WebInbandTextTrack::KindNone:
69 default:
70 ASSERT_NOT_REACHED();
71 break;
72 }
73 }
74
~InbandTextTrack()75 InbandTextTrack::~InbandTextTrack()
76 {
77 // Make sure m_webTrack was cleared by trackRemoved() before destruction.
78 ASSERT(!m_webTrack);
79 }
80
inbandTrackIndex()81 size_t InbandTextTrack::inbandTrackIndex()
82 {
83 ASSERT(m_webTrack);
84 return m_webTrack->textTrackIndex();
85 }
86
trackRemoved()87 void InbandTextTrack::trackRemoved()
88 {
89 ASSERT(m_webTrack);
90 m_webTrack->setClient(0);
91 m_webTrack = 0;
92 clearClient();
93 }
94
addWebVTTCue(double start,double end,const WebString & id,const WebString & content,const WebString & settings)95 void InbandTextTrack::addWebVTTCue(double start, double end, const WebString& id, const WebString& content, const WebString& settings)
96 {
97 RefPtr<VTTCue> cue = VTTCue::create(document(), start, end, content);
98 cue->setId(id);
99 cue->parseSettings(settings);
100 addCue(cue);
101 }
102
103 } // namespace WebCore
104