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.
   * 3. Neither the name of Google Inc. nor the names of its contributors
   *    may be used to endorse or promote products derived from this
   *    software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
   * OWNER 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.
   */
  
  #ifndef RTCVoidRequestImpl_h
  #define RTCVoidRequestImpl_h
  
  #include "core/dom/ContextLifecycleObserver.h"
  #include "core/dom/ExceptionCode.h"
  #include "platform/heap/Handle.h"
  #include "platform/peerconnection/RTCVoidRequest.h"
  
  namespace blink {
  
  class RTCPeerConnection;
  class RTCPeerConnectionErrorCallback;
  class VoidCallback;
  
  class RTCVoidRequestImpl final : public RTCVoidRequest,
                                   public ContextLifecycleObserver {
    USING_GARBAGE_COLLECTED_MIXIN(RTCVoidRequestImpl);
  
   public:
    static RTCVoidRequestImpl* create(ExecutionContext*,
                                      RTCPeerConnection*,
                                      VoidCallback*,
                                      RTCPeerConnectionErrorCallback*);
    ~RTCVoidRequestImpl() override;
  
    // RTCVoidRequest
    void requestSucceeded() override;
    void requestFailed(const String& error) override;
  
    // ContextLifecycleObserver
    void contextDestroyed(ExecutionContext*) override;
  
    DECLARE_VIRTUAL_TRACE();
  
   private:
    RTCVoidRequestImpl(ExecutionContext*,
                       RTCPeerConnection*,
                       VoidCallback*,
                       RTCPeerConnectionErrorCallback*);
  
    void clear();
  
    Member<VoidCallback> m_successCallback;
    Member<RTCPeerConnectionErrorCallback> m_errorCallback;
    Member<RTCPeerConnection> m_requester;
  };
  
  }  // namespace blink
  
  #endif  // RTCVoidRequestImpl_h
  