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.
   */
  
  #include "modules/mediastream/RTCVoidRequestImpl.h"
  
  #include "core/dom/DOMException.h"
  #include "core/dom/ExceptionCode.h"
  #include "core/html/VoidCallback.h"
  #include "modules/mediastream/RTCPeerConnection.h"
  #include "modules/mediastream/RTCPeerConnectionErrorCallback.h"
  
  namespace blink {
  
  RTCVoidRequestImpl* RTCVoidRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, VoidCallback* successCallback, RTCPeerConnectionErrorCallback* errorCallback)
  {
      RTCVoidRequestImpl* request = new RTCVoidRequestImpl(context, requester, successCallback, errorCallback);
      request->suspendIfNeeded();
      return request;
  }
  
  RTCVoidRequestImpl::RTCVoidRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, VoidCallback* successCallback, RTCPeerConnectionErrorCallback* errorCallback)
      : ActiveDOMObject(context)
      , m_successCallback(successCallback)
      , m_errorCallback(errorCallback)
      , m_requester(requester)
  {
      DCHECK(m_requester);
  }
  
  RTCVoidRequestImpl::~RTCVoidRequestImpl()
  {
  }
  
  void RTCVoidRequestImpl::requestSucceeded()
  {
      bool shouldFireCallback = m_requester && m_requester->shouldFireDefaultCallbacks();
      if (shouldFireCallback && m_successCallback)
          m_successCallback->handleEvent();
  
      clear();
  }
  
  void RTCVoidRequestImpl::requestFailed(const String& error)
  {
      bool shouldFireCallback = m_requester && m_requester->shouldFireDefaultCallbacks();
      if (shouldFireCallback && m_errorCallback.get()) {
          // TODO(guidou): The error code should come from the content layer. See crbug.com/589455
          m_errorCallback->handleEvent(DOMException::create(OperationError, error));
      }
  
      clear();
  }
  
  void RTCVoidRequestImpl::stop()
  {
      clear();
  }
  
  void RTCVoidRequestImpl::clear()
  {
      m_successCallback.clear();
      m_errorCallback.clear();
      m_requester.clear();
  }
  
  DEFINE_TRACE(RTCVoidRequestImpl)
  {
      visitor->trace(m_successCallback);
      visitor->trace(m_errorCallback);
      visitor->trace(m_requester);
      RTCVoidRequest::trace(visitor);
      ActiveDOMObject::trace(visitor);
  }
  
  } // namespace blink
  