| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/renderer/media/media_stream.h" |
| |
| #include <algorithm> |
| |
| #include "base/logging.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| |
| namespace content { |
| |
| // static |
| MediaStream* MediaStream::GetMediaStream( |
| const blink::WebMediaStream& stream) { |
| return static_cast<MediaStream*>(stream.getExtraData()); |
| } |
| |
| MediaStream::MediaStream() { |
| } |
| |
| MediaStream::~MediaStream() { |
| DCHECK(observers_.empty()); |
| } |
| |
| void MediaStream::AddObserver(MediaStreamObserver* observer) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| DCHECK(std::find(observers_.begin(), observers_.end(), observer) == |
| observers_.end()); |
| observers_.push_back(observer); |
| } |
| |
| void MediaStream::RemoveObserver(MediaStreamObserver* observer) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| std::vector<MediaStreamObserver*>::iterator it = |
| std::find(observers_.begin(), observers_.end(), observer); |
| DCHECK(it != observers_.end()); |
| observers_.erase(it); |
| } |
| |
| bool MediaStream::AddTrack(const blink::WebMediaStreamTrack& track) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| for (std::vector<MediaStreamObserver*>::iterator it = observers_.begin(); |
| it != observers_.end(); ++it) { |
| (*it)->TrackAdded(track); |
| } |
| return true; |
| } |
| |
| bool MediaStream::RemoveTrack(const blink::WebMediaStreamTrack& track) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| for (std::vector<MediaStreamObserver*>::iterator it = observers_.begin(); |
| it != observers_.end(); ++it) { |
| (*it)->TrackRemoved(track); |
| } |
| return true; |
| } |
| |
| } // namespace content |