diff options
Diffstat (limited to 'chromium/content/browser/renderer_host/media/media_capture_devices_impl.cc')
-rw-r--r-- | chromium/content/browser/renderer_host/media/media_capture_devices_impl.cc | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/chromium/content/browser/renderer_host/media/media_capture_devices_impl.cc b/chromium/content/browser/renderer_host/media/media_capture_devices_impl.cc new file mode 100644 index 00000000000..9cc8b12e470 --- /dev/null +++ b/chromium/content/browser/renderer_host/media/media_capture_devices_impl.cc @@ -0,0 +1,99 @@ +// 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/browser/renderer_host/media/media_capture_devices_impl.h" + +#include "content/browser/browser_main_loop.h" +#include "content/browser/renderer_host/media/media_stream_manager.h" +#include "content/public/browser/browser_thread.h" + +namespace content { + +namespace { + +void EnsureMonitorCaptureDevices() { + DCHECK_CURRENTLY_ON(BrowserThread::UI); + BrowserThread::PostTask( + BrowserThread::IO, FROM_HERE, + base::Bind(&MediaStreamManager::EnsureDeviceMonitorStarted, + base::Unretained( + BrowserMainLoop::GetInstance()->media_stream_manager()))); +} + +} // namespace + +MediaCaptureDevices* MediaCaptureDevices::GetInstance() { + return MediaCaptureDevicesImpl::GetInstance(); +} + +MediaCaptureDevicesImpl* MediaCaptureDevicesImpl::GetInstance() { + return Singleton<MediaCaptureDevicesImpl>::get(); +} + +const MediaStreamDevices& +MediaCaptureDevicesImpl::GetAudioCaptureDevices() { + DCHECK_CURRENTLY_ON(BrowserThread::UI); + if (!devices_enumerated_) { + EnsureMonitorCaptureDevices(); + devices_enumerated_ = true; + } + return audio_devices_; +} + +const MediaStreamDevices& +MediaCaptureDevicesImpl::GetVideoCaptureDevices() { + DCHECK_CURRENTLY_ON(BrowserThread::UI); + if (!devices_enumerated_) { + EnsureMonitorCaptureDevices(); + devices_enumerated_ = true; + } + return video_devices_; +} + +void MediaCaptureDevicesImpl::OnAudioCaptureDevicesChanged( + const MediaStreamDevices& devices) { + if (BrowserThread::CurrentlyOn(BrowserThread::UI)) { + UpdateAudioDevicesOnUIThread(devices); + } else { + BrowserThread::PostTask( + BrowserThread::UI, FROM_HERE, + base::Bind(&MediaCaptureDevicesImpl::UpdateAudioDevicesOnUIThread, + base::Unretained(this), devices)); + } +} + +void MediaCaptureDevicesImpl::OnVideoCaptureDevicesChanged( + const MediaStreamDevices& devices) { + if (BrowserThread::CurrentlyOn(BrowserThread::UI)) { + UpdateVideoDevicesOnUIThread(devices); + } else { + BrowserThread::PostTask( + BrowserThread::UI, FROM_HERE, + base::Bind(&MediaCaptureDevicesImpl::UpdateVideoDevicesOnUIThread, + base::Unretained(this), devices)); + } +} + +MediaCaptureDevicesImpl::MediaCaptureDevicesImpl() + : devices_enumerated_(false) { +} + +MediaCaptureDevicesImpl::~MediaCaptureDevicesImpl() { +} + +void MediaCaptureDevicesImpl::UpdateAudioDevicesOnUIThread( + const MediaStreamDevices& devices) { + DCHECK_CURRENTLY_ON(BrowserThread::UI); + devices_enumerated_ = true; + audio_devices_ = devices; +} + +void MediaCaptureDevicesImpl::UpdateVideoDevicesOnUIThread( + const MediaStreamDevices& devices) { + DCHECK_CURRENTLY_ON(BrowserThread::UI); + devices_enumerated_ = true; + video_devices_ = devices; +} + +} // namespace content |