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#include "modules/mediastream/RTCStatsRequestImpl.h" 27 28#include "modules/mediastream/MediaStreamTrack.h" 29#include "modules/mediastream/RTCPeerConnection.h" 30#include "modules/mediastream/RTCStatsCallback.h" 31 32namespace blink { 33 34RTCStatsRequestImpl* RTCStatsRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, RTCStatsCallback* callback, MediaStreamTrack* selector) 35{ 36 RTCStatsRequestImpl* request = new RTCStatsRequestImpl(context, requester, callback, selector); 37 request->suspendIfNeeded(); 38 return request; 39} 40 41RTCStatsRequestImpl::RTCStatsRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, RTCStatsCallback* callback, MediaStreamTrack* selector) 42 : ActiveDOMObject(context) 43 , m_successCallback(callback) 44 , m_component(selector ? selector->component() : 0) 45 , m_requester(requester) 46{ 47 ASSERT(m_requester); 48} 49 50RTCStatsRequestImpl::~RTCStatsRequestImpl() 51{ 52} 53 54RTCStatsResponseBase* RTCStatsRequestImpl::createResponse() 55{ 56 return RTCStatsResponse::create(); 57} 58 59bool RTCStatsRequestImpl::hasSelector() 60{ 61 return m_component; 62} 63 64MediaStreamComponent* RTCStatsRequestImpl::component() 65{ 66 return m_component.get(); 67} 68 69void RTCStatsRequestImpl::requestSucceeded(RTCStatsResponseBase* response) 70{ 71 bool shouldFireCallback = m_requester ? m_requester->shouldFireGetStatsCallback() : false; 72 if (shouldFireCallback && m_successCallback) 73 m_successCallback->handleEvent(static_cast<RTCStatsResponse*>(response)); 74 clear(); 75} 76 77void RTCStatsRequestImpl::stop() 78{ 79 clear(); 80} 81 82void RTCStatsRequestImpl::clear() 83{ 84 m_successCallback.clear(); 85 m_requester.clear(); 86} 87 88void RTCStatsRequestImpl::trace(Visitor* visitor) 89{ 90 visitor->trace(m_successCallback); 91 visitor->trace(m_requester); 92 RTCStatsRequest::trace(visitor); 93} 94 95} // namespace blink 96