cef/libcef/browser/media_capture_devices_dispa...

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// Copyright (c) 2012 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 "libcef/browser/media_capture_devices_dispatcher.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/media_capture_devices.h"
using blink::MediaStreamDevices;
using content::BrowserThread;
namespace {
const blink::MediaStreamDevice* FindDefaultDeviceWithId(
const blink::MediaStreamDevices& devices,
const std::string& device_id) {
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if (devices.empty()) {
return nullptr;
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}
blink::MediaStreamDevices::const_iterator iter = devices.begin();
for (; iter != devices.end(); ++iter) {
if (iter->id == device_id) {
return &(*iter);
}
}
return &(*devices.begin());
}
} // namespace
CefMediaCaptureDevicesDispatcher*
CefMediaCaptureDevicesDispatcher::GetInstance() {
return base::Singleton<CefMediaCaptureDevicesDispatcher>::get();
}
CefMediaCaptureDevicesDispatcher::CefMediaCaptureDevicesDispatcher() {}
CefMediaCaptureDevicesDispatcher::~CefMediaCaptureDevicesDispatcher() {}
void CefMediaCaptureDevicesDispatcher::RegisterPrefs(
PrefRegistrySimple* registry) {
registry->RegisterStringPref(prefs::kDefaultAudioCaptureDevice,
std::string());
registry->RegisterStringPref(prefs::kDefaultVideoCaptureDevice,
std::string());
}
void CefMediaCaptureDevicesDispatcher::GetDefaultDevices(
PrefService* prefs,
bool audio,
bool video,
blink::MediaStreamDevices* devices) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(audio || video);
std::string default_device;
if (audio) {
default_device = prefs->GetString(prefs::kDefaultAudioCaptureDevice);
GetRequestedDevice(default_device, true, false, devices);
}
if (video) {
default_device = prefs->GetString(prefs::kDefaultVideoCaptureDevice);
GetRequestedDevice(default_device, false, true, devices);
}
}
void CefMediaCaptureDevicesDispatcher::GetRequestedDevice(
const std::string& requested_device_id,
bool audio,
bool video,
blink::MediaStreamDevices* devices) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(audio || video);
if (audio) {
const blink::MediaStreamDevices& audio_devices = GetAudioCaptureDevices();
const blink::MediaStreamDevice* const device =
FindDefaultDeviceWithId(audio_devices, requested_device_id);
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if (device) {
devices->push_back(*device);
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}
}
if (video) {
const blink::MediaStreamDevices& video_devices = GetVideoCaptureDevices();
const blink::MediaStreamDevice* const device =
FindDefaultDeviceWithId(video_devices, requested_device_id);
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if (device) {
devices->push_back(*device);
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}
}
}
void CefMediaCaptureDevicesDispatcher::OnAudioCaptureDevicesChanged() {}
void CefMediaCaptureDevicesDispatcher::OnVideoCaptureDevicesChanged() {}
void CefMediaCaptureDevicesDispatcher::OnMediaRequestStateChanged(
int render_process_id,
int render_frame_id,
int page_request_id,
const GURL& security_origin,
blink::mojom::MediaStreamType stream_type,
content::MediaRequestState state) {}
void CefMediaCaptureDevicesDispatcher::OnCreatingAudioStream(
int render_process_id,
int render_view_id) {}
void CefMediaCaptureDevicesDispatcher::OnSetCapturingLinkSecured(
int render_process_id,
int render_frame_id,
int page_request_id,
blink::mojom::MediaStreamType stream_type,
bool is_secure) {}
const MediaStreamDevices&
CefMediaCaptureDevicesDispatcher::GetAudioCaptureDevices() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
return content::MediaCaptureDevices::GetInstance()->GetAudioCaptureDevices();
}
const MediaStreamDevices&
CefMediaCaptureDevicesDispatcher::GetVideoCaptureDevices() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
return content::MediaCaptureDevices::GetInstance()->GetVideoCaptureDevices();
}