1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "media/blink/texttrack_impl.h"
6
7 #include "base/bind.h"
8 #include "base/location.h"
9 #include "base/single_thread_task_runner.h"
10 #include "media/base/bind_to_current_loop.h"
11 #include "media/blink/webinbandtexttrack_impl.h"
12 #include "third_party/WebKit/public/platform/WebInbandTextTrackClient.h"
13 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
14
15 namespace media {
16
TextTrackImpl(const scoped_refptr<base::SingleThreadTaskRunner> & task_runner,blink::WebMediaPlayerClient * client,scoped_ptr<WebInbandTextTrackImpl> text_track)17 TextTrackImpl::TextTrackImpl(
18 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
19 blink::WebMediaPlayerClient* client,
20 scoped_ptr<WebInbandTextTrackImpl> text_track)
21 : task_runner_(task_runner),
22 client_(client),
23 text_track_(text_track.Pass()) {
24 client_->addTextTrack(text_track_.get());
25 }
26
~TextTrackImpl()27 TextTrackImpl::~TextTrackImpl() {
28 task_runner_->PostTask(
29 FROM_HERE,
30 base::Bind(&TextTrackImpl::OnRemoveTrack,
31 client_,
32 base::Passed(&text_track_)));
33 }
34
addWebVTTCue(const base::TimeDelta & start,const base::TimeDelta & end,const std::string & id,const std::string & content,const std::string & settings)35 void TextTrackImpl::addWebVTTCue(const base::TimeDelta& start,
36 const base::TimeDelta& end,
37 const std::string& id,
38 const std::string& content,
39 const std::string& settings) {
40 task_runner_->PostTask(
41 FROM_HERE,
42 base::Bind(&TextTrackImpl::OnAddCue,
43 text_track_.get(),
44 start, end,
45 id, content, settings));
46 }
47
OnAddCue(WebInbandTextTrackImpl * text_track,const base::TimeDelta & start,const base::TimeDelta & end,const std::string & id,const std::string & content,const std::string & settings)48 void TextTrackImpl::OnAddCue(WebInbandTextTrackImpl* text_track,
49 const base::TimeDelta& start,
50 const base::TimeDelta& end,
51 const std::string& id,
52 const std::string& content,
53 const std::string& settings) {
54 if (blink::WebInbandTextTrackClient* client = text_track->client()) {
55 client->addWebVTTCue(start.InSecondsF(),
56 end.InSecondsF(),
57 blink::WebString::fromUTF8(id),
58 blink::WebString::fromUTF8(content),
59 blink::WebString::fromUTF8(settings));
60 }
61 }
62
OnRemoveTrack(blink::WebMediaPlayerClient * client,scoped_ptr<WebInbandTextTrackImpl> text_track)63 void TextTrackImpl::OnRemoveTrack(
64 blink::WebMediaPlayerClient* client,
65 scoped_ptr<WebInbandTextTrackImpl> text_track) {
66 if (text_track->client())
67 client->removeTextTrack(text_track.get());
68 }
69
70 } // namespace media
71