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1 // Copyright 2016 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 "chromecast/browser/cast_media_blocker.h" | |
6 | |
7 #include "base/threading/thread_checker.h" | |
8 #include "content/public/browser/web_contents.h" | |
9 | |
10 namespace chromecast { | |
11 namespace shell { | |
12 | |
13 CastMediaBlocker::CastMediaBlocker(content::WebContents* web_contents) | |
14 : content::WebContentsObserver(web_contents), | |
15 controllable_(false), | |
16 suspended_(false), | |
17 state_(UNBLOCKED) {} | |
18 | |
19 CastMediaBlocker::~CastMediaBlocker() {} | |
20 | |
21 void CastMediaBlocker::BlockMediaLoading(bool blocked) { | |
22 if (blocked) { | |
23 state_ = BLOCKED; | |
24 } else { | |
25 state_ = (state_ == UNBLOCKED ? UNBLOCKED : UNBLOCKING); | |
byungchul
2016/09/14 02:20:17
why not just:
} else if (state_ == BLOCKED) {
s
derekjchow1
2016/09/14 20:33:12
Done.
| |
26 } | |
27 | |
28 UpdateMediaBlockedState(); | |
29 } | |
30 | |
31 void CastMediaBlocker::UpdateMediaBlockedState() { | |
32 if (!web_contents()) { | |
33 return; | |
34 } | |
35 | |
36 if (!controllable_) { | |
37 return; | |
38 } | |
39 | |
40 if (state_ == BLOCKED && !suspended_) { | |
41 web_contents()->SuspendMediaSession(); | |
42 } | |
43 | |
44 if (state_ == UNBLOCKING && suspended_) { | |
byungchul
2016/09/14 02:20:17
else if?
derekjchow1
2016/09/14 20:33:13
Done.
| |
45 web_contents()->ResumeMediaSession(); | |
46 state_ = UNBLOCKED; | |
47 } | |
48 } | |
49 | |
50 void CastMediaBlocker::MediaSessionStateChanged( | |
51 bool is_controllable, | |
52 bool is_suspended, | |
53 const base::Optional<content::MediaMetadata>& metadata) { | |
54 controllable_ = is_controllable; | |
55 suspended_ = is_suspended; | |
56 UpdateMediaBlockedState(); | |
57 } | |
58 | |
59 } // namespace shell | |
60 } // namespace chromecast | |
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