third_party/WebKit/Source/modules/mediastream/UserMediaController.h

/*
 * 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 GarbageCollectedFinalized<UserMediaController>,
      public Supplement<LocalFrame> {
  USING_GARBAGE_COLLECTED_MIXIN(UserMediaController);

 public:
  static UserMediaController* create(std::unique_ptr<UserMediaClient>);

  DECLARE_VIRTUAL_TRACE();

  UserMediaClient* client() const { return m_client.get(); }

  void requestUserMedia(UserMediaRequest*);
  void cancelUserMediaRequest(UserMediaRequest*);
  void requestMediaDevices(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(std::unique_ptr<UserMediaClient>);

  std::unique_ptr<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::requestSources(
    MediaStreamTrackSourcesRequest* request) {
  m_client->requestSources(request);
}

inline void UserMediaController::setMediaDeviceChangeObserver(
    MediaDevices* observer) {
  m_client->setMediaDeviceChangeObserver(observer);
}

}  // namespace blink

#endif  // UserMediaController_h