| /* |
| * Copyright (C) 2015-2016 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "CaptureDeviceManager.h" |
| |
| #if ENABLE(MEDIA_STREAM) |
| |
| #include "Logging.h" |
| #include "MediaConstraints.h" |
| #include "RealtimeMediaSource.h" |
| #include "RealtimeMediaSourceCenter.h" |
| #include "RealtimeMediaSourceSettings.h" |
| #include <wtf/MainThread.h> |
| #include <wtf/text/StringHash.h> |
| |
| using namespace WebCore; |
| |
| CaptureDeviceManager::~CaptureDeviceManager() = default; |
| |
| CaptureDevice CaptureDeviceManager::captureDeviceFromPersistentID(const String& captureDeviceID) |
| { |
| for (auto& device : captureDevices()) { |
| if (device.persistentId() == captureDeviceID) |
| return device; |
| } |
| |
| return { }; |
| } |
| |
| static CaptureDeviceManager::ObserverToken nextObserverToken() |
| { |
| static CaptureDeviceManager::ObserverToken nextToken = 0; |
| return ++nextToken; |
| } |
| |
| CaptureDeviceManager::ObserverToken CaptureDeviceManager::addCaptureDeviceChangedObserver(CaptureDeviceChangedCallback&& observer) |
| { |
| auto token = nextObserverToken(); |
| m_observers.set(token, WTFMove(observer)); |
| return token; |
| } |
| |
| void CaptureDeviceManager::removeCaptureDeviceChangedObserver(ObserverToken token) |
| { |
| ASSERT(m_observers.contains(token)); |
| m_observers.remove(token); |
| } |
| |
| |
| #endif // ENABLE(MEDIA_STREAM) |