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      1 /*
      2  * Copyright (C) 2012 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer
     12  *    in the documentation and/or other materials provided with the
     13  *    distribution.
     14  * 3. Neither the name of Google Inc. nor the names of its contributors
     15  *    may be used to endorse or promote products derived from this
     16  *    software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 
     33 #include "modules/mediastream/RTCSessionDescriptionRequestImpl.h"
     34 
     35 #include "modules/mediastream/RTCErrorCallback.h"
     36 #include "modules/mediastream/RTCPeerConnection.h"
     37 #include "modules/mediastream/RTCSessionDescription.h"
     38 #include "modules/mediastream/RTCSessionDescriptionCallback.h"
     39 #include "public/platform/WebRTCSessionDescription.h"
     40 #include "wtf/RefPtr.h"
     41 
     42 namespace WebCore {
     43 
     44 PassRefPtr<RTCSessionDescriptionRequestImpl> RTCSessionDescriptionRequestImpl::create(ExecutionContext* context, PassRefPtrWillBeRawPtr<RTCPeerConnection> requester, PassOwnPtr<RTCSessionDescriptionCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback)
     45 {
     46     RefPtr<RTCSessionDescriptionRequestImpl> request = adoptRef(new RTCSessionDescriptionRequestImpl(context, requester, successCallback, errorCallback));
     47     request->suspendIfNeeded();
     48     return request.release();
     49 }
     50 
     51 RTCSessionDescriptionRequestImpl::RTCSessionDescriptionRequestImpl(ExecutionContext* context, PassRefPtrWillBeRawPtr<RTCPeerConnection> requester, PassOwnPtr<RTCSessionDescriptionCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback)
     52     : ActiveDOMObject(context)
     53     , m_successCallback(successCallback)
     54     , m_errorCallback(errorCallback)
     55     , m_requester(requester)
     56 {
     57     ASSERT(m_requester);
     58 }
     59 
     60 RTCSessionDescriptionRequestImpl::~RTCSessionDescriptionRequestImpl()
     61 {
     62 }
     63 
     64 void RTCSessionDescriptionRequestImpl::requestSucceeded(const blink::WebRTCSessionDescription& webSessionDescription)
     65 {
     66     bool shouldFireCallback = m_requester ? m_requester->shouldFireDefaultCallbacks() : false;
     67     if (shouldFireCallback && m_successCallback) {
     68         RefPtrWillBeRawPtr<RTCSessionDescription> sessionDescription = RTCSessionDescription::create(webSessionDescription);
     69         m_successCallback->handleEvent(sessionDescription.get());
     70     }
     71 
     72     clear();
     73 }
     74 
     75 void RTCSessionDescriptionRequestImpl::requestFailed(const String& error)
     76 {
     77     bool shouldFireCallback = m_requester ? m_requester->shouldFireDefaultCallbacks() : false;
     78     if (shouldFireCallback && m_errorCallback)
     79         m_errorCallback->handleEvent(error);
     80 
     81     clear();
     82 }
     83 
     84 void RTCSessionDescriptionRequestImpl::stop()
     85 {
     86     clear();
     87 }
     88 
     89 void RTCSessionDescriptionRequestImpl::clear()
     90 {
     91     m_successCallback.clear();
     92     m_errorCallback.clear();
     93     m_requester.clear();
     94 }
     95 
     96 } // namespace WebCore
     97