text: /*
   * Copyright (C) 2012 Google 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. AND ITS CONTRIBUTORS ``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 ITS 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.
   */
  
  #ifndef UserMediaController_h
  #define UserMediaController_h
  
  #include "core/frame/LocalFrame.h"
  #include "modules/mediastream/UserMediaClient.h"
  
  namespace blink {
  
  class MediaDevices;
  class MediaDevicesRequest;
  class UserMediaRequest;
  
  class UserMediaController final : public GarbageCollected<UserMediaController>, public Supplement<LocalFrame> {
      USING_GARBAGE_COLLECTED_MIXIN(UserMediaController);
  public:
      static UserMediaController* create(UserMediaClient*);
  
      DECLARE_VIRTUAL_TRACE();
  
      UserMediaClient* client() const { return m_client; }
  
      void requestUserMedia(UserMediaRequest*);
      void cancelUserMediaRequest(UserMediaRequest*);
  
      void requestMediaDevices(MediaDevicesRequest*);
      void cancelMediaDevicesRequest(MediaDevicesRequest*);
  
      void requestSources(MediaStreamTrackSourcesRequest*);
  
      void setMediaDeviceChangeObserver(MediaDevices*);
  
      static const char* supplementName();
      static UserMediaController* from(LocalFrame* frame) { return static_cast<UserMediaController*>(Supplement<LocalFrame>::from(frame, supplementName())); }
  
  private:
      explicit UserMediaController(UserMediaClient*);
  
      UserMediaClient* m_client;
  };
  
  inline void UserMediaController::requestUserMedia(UserMediaRequest* request)
  {
      m_client->requestUserMedia(request);
  }
  
  inline void UserMediaController::cancelUserMediaRequest(UserMediaRequest* request)
  {
      m_client->cancelUserMediaRequest(request);
  }
  
  inline void UserMediaController::requestMediaDevices(MediaDevicesRequest* request)
  {
      m_client->requestMediaDevices(request);
  }
  
  inline void UserMediaController::cancelMediaDevicesRequest(MediaDevicesRequest* request)
  {
      m_client->cancelMediaDevicesRequest(request);
  }
  
  inline void UserMediaController::requestSources(MediaStreamTrackSourcesRequest* request)
  {
      m_client->requestSources(request);
  }
  
  inline void UserMediaController::setMediaDeviceChangeObserver(MediaDevices* observer)
  {
      m_client->setMediaDeviceChangeObserver(observer);
  }
  
  } // namespace blink
  
  #endif // UserMediaController_h
  