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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 "content/browser/media/session/media_session_observer.h" |
| 6 |
| 7 #include "content/browser/media/session/media_session.h" |
| 8 |
| 9 namespace content { |
| 10 |
| 11 MediaSessionObserver::MediaSessionObserver(MediaSession* session) |
| 12 : session_(nullptr) { |
| 13 Observe(session); |
| 14 } |
| 15 |
| 16 MediaSessionObserver::~MediaSessionObserver() { |
| 17 if (session_) |
| 18 session_->RemoveObserver(this); |
| 19 } |
| 20 |
| 21 void MediaSessionObserver::MediaSessionDisconnected() { |
| 22 session_ = nullptr; |
| 23 } |
| 24 |
| 25 void MediaSessionObserver::Observe(MediaSession* session) { |
| 26 session->AddObserver(this); |
| 27 session_ = session; |
| 28 } |
| 29 |
| 30 } // namespace content |
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