152 lines
4.9 KiB
C++
152 lines
4.9 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE-CHROMIUM file.
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#include "brightray/browser/media/media_capture_devices_dispatcher.h"
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#include "base/logging.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/public/browser/media_capture_devices.h"
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#include "content/public/common/media_stream_request.h"
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namespace brightray {
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using content::BrowserThread;
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using content::MediaStreamDevices;
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namespace {
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// Finds a device in |devices| that has |device_id|, or NULL if not found.
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const content::MediaStreamDevice* FindDeviceWithId(
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const content::MediaStreamDevices& devices,
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const std::string& device_id) {
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auto iter = devices.begin();
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for (; iter != devices.end(); ++iter) {
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if (iter->id == device_id) {
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return &(*iter);
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}
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}
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return nullptr;
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}
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const MediaStreamDevices& EmptyDevices() {
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static MediaStreamDevices* devices = new MediaStreamDevices;
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return *devices;
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}
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} // namespace
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MediaCaptureDevicesDispatcher* MediaCaptureDevicesDispatcher::GetInstance() {
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return base::Singleton<MediaCaptureDevicesDispatcher>::get();
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}
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MediaCaptureDevicesDispatcher::MediaCaptureDevicesDispatcher()
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: is_device_enumeration_disabled_(false) {
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// MediaCaptureDevicesDispatcher is a singleton. It should be created on
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// UI thread.
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DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
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}
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MediaCaptureDevicesDispatcher::~MediaCaptureDevicesDispatcher() {}
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const MediaStreamDevices&
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MediaCaptureDevicesDispatcher::GetAudioCaptureDevices() {
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DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
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if (is_device_enumeration_disabled_)
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return EmptyDevices();
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return content::MediaCaptureDevices::GetInstance()->GetAudioCaptureDevices();
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}
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const MediaStreamDevices&
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MediaCaptureDevicesDispatcher::GetVideoCaptureDevices() {
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DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
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if (is_device_enumeration_disabled_)
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return EmptyDevices();
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return content::MediaCaptureDevices::GetInstance()->GetVideoCaptureDevices();
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}
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void MediaCaptureDevicesDispatcher::GetDefaultDevices(
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bool audio,
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bool video,
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content::MediaStreamDevices* devices) {
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DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
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DCHECK(audio || video);
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if (audio) {
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const content::MediaStreamDevice* device = GetFirstAvailableAudioDevice();
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if (device)
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devices->push_back(*device);
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}
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if (video) {
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const content::MediaStreamDevice* device = GetFirstAvailableVideoDevice();
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if (device)
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devices->push_back(*device);
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}
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}
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const content::MediaStreamDevice*
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MediaCaptureDevicesDispatcher::GetRequestedAudioDevice(
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const std::string& requested_audio_device_id) {
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DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
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const content::MediaStreamDevices& audio_devices = GetAudioCaptureDevices();
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const content::MediaStreamDevice* const device =
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FindDeviceWithId(audio_devices, requested_audio_device_id);
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return device;
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}
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const content::MediaStreamDevice*
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MediaCaptureDevicesDispatcher::GetFirstAvailableAudioDevice() {
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DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
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const content::MediaStreamDevices& audio_devices = GetAudioCaptureDevices();
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if (audio_devices.empty())
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return nullptr;
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return &(*audio_devices.begin());
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}
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const content::MediaStreamDevice*
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MediaCaptureDevicesDispatcher::GetRequestedVideoDevice(
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const std::string& requested_video_device_id) {
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DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
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const content::MediaStreamDevices& video_devices = GetVideoCaptureDevices();
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const content::MediaStreamDevice* const device =
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FindDeviceWithId(video_devices, requested_video_device_id);
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return device;
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}
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const content::MediaStreamDevice*
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MediaCaptureDevicesDispatcher::GetFirstAvailableVideoDevice() {
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DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
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const content::MediaStreamDevices& video_devices = GetVideoCaptureDevices();
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if (video_devices.empty())
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return nullptr;
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return &(*video_devices.begin());
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}
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void MediaCaptureDevicesDispatcher::DisableDeviceEnumerationForTesting() {
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is_device_enumeration_disabled_ = true;
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}
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void MediaCaptureDevicesDispatcher::OnAudioCaptureDevicesChanged() {}
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void MediaCaptureDevicesDispatcher::OnVideoCaptureDevicesChanged() {}
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void MediaCaptureDevicesDispatcher::OnMediaRequestStateChanged(
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int render_process_id,
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int render_view_id,
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int page_request_id,
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const GURL& security_origin,
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content::MediaStreamType stream_type,
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content::MediaRequestState state) {}
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void MediaCaptureDevicesDispatcher::OnCreatingAudioStream(int render_process_id,
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int render_view_id) {}
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void MediaCaptureDevicesDispatcher::OnSetCapturingLinkSecured(
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int render_process_id,
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int render_frame_id,
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int page_request_id,
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content::MediaStreamType stream_type,
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bool is_secure) {}
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} // namespace brightray
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