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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #include "config.h" 26 27 #include "modules/mediastream/RTCStatsRequestImpl.h" 28 29 #include "modules/mediastream/MediaStreamTrack.h" 30 #include "modules/mediastream/RTCPeerConnection.h" 31 #include "modules/mediastream/RTCStatsCallback.h" 32 33 namespace WebCore { 34 35 PassRefPtr<RTCStatsRequestImpl> RTCStatsRequestImpl::create(ExecutionContext* context, PassRefPtrWillBeRawPtr<RTCPeerConnection> requester, PassOwnPtr<RTCStatsCallback> callback, PassRefPtr<MediaStreamTrack> selector) 36 { 37 RefPtr<RTCStatsRequestImpl> request = adoptRef(new RTCStatsRequestImpl(context, requester, callback, selector)); 38 request->suspendIfNeeded(); 39 return request.release(); 40 } 41 42 RTCStatsRequestImpl::RTCStatsRequestImpl(ExecutionContext* context, PassRefPtrWillBeRawPtr<RTCPeerConnection> requester, PassOwnPtr<RTCStatsCallback> callback, PassRefPtr<MediaStreamTrack> selector) 43 : ActiveDOMObject(context) 44 , m_successCallback(callback) 45 , m_component(selector ? selector->component() : 0) 46 , m_requester(requester) 47 { 48 ASSERT(m_requester); 49 } 50 51 RTCStatsRequestImpl::~RTCStatsRequestImpl() 52 { 53 } 54 55 PassRefPtrWillBeRawPtr<RTCStatsResponseBase> RTCStatsRequestImpl::createResponse() 56 { 57 return RTCStatsResponse::create(); 58 } 59 60 bool RTCStatsRequestImpl::hasSelector() 61 { 62 return m_component; 63 } 64 65 MediaStreamComponent* RTCStatsRequestImpl::component() 66 { 67 return m_component.get(); 68 } 69 70 void RTCStatsRequestImpl::requestSucceeded(PassRefPtrWillBeRawPtr<RTCStatsResponseBase> response) 71 { 72 bool shouldFireCallback = m_requester ? m_requester->shouldFireGetStatsCallback() : false; 73 if (shouldFireCallback && m_successCallback) 74 m_successCallback->handleEvent(static_cast<RTCStatsResponse*>(response.get())); 75 clear(); 76 } 77 78 void RTCStatsRequestImpl::stop() 79 { 80 clear(); 81 } 82 83 void RTCStatsRequestImpl::clear() 84 { 85 m_successCallback.clear(); 86 m_requester.clear(); 87 } 88 89 } // namespace WebCore 90