1 /* 2 * Copyright (C) 2013 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 GOOGLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 28 #include "modules/mediastream/MediaStreamTrackSourcesRequestImpl.h" 29 30 #include "modules/mediastream/MediaStreamTrackSourcesCallback.h" 31 #include "platform/weborigin/SecurityOrigin.h" 32 #include "public/platform/WebSourceInfo.h" 33 #include "wtf/PassOwnPtr.h" 34 35 namespace WebCore { 36 37 PassRefPtrWillBeRawPtr<MediaStreamTrackSourcesRequestImpl> MediaStreamTrackSourcesRequestImpl::create(const String& origin, PassOwnPtr<MediaStreamTrackSourcesCallback> callback) 38 { 39 return adoptRefWillBeNoop(new MediaStreamTrackSourcesRequestImpl(origin, callback)); 40 } 41 42 MediaStreamTrackSourcesRequestImpl::MediaStreamTrackSourcesRequestImpl(const String& origin, PassOwnPtr<MediaStreamTrackSourcesCallback> callback) 43 : m_callback(callback) 44 , m_scheduledEventTimer(this, &MediaStreamTrackSourcesRequestImpl::scheduledEventTimerFired) 45 { 46 m_origin = origin; 47 } 48 49 MediaStreamTrackSourcesRequestImpl::~MediaStreamTrackSourcesRequestImpl() 50 { 51 } 52 53 void MediaStreamTrackSourcesRequestImpl::requestSucceeded(const blink::WebVector<blink::WebSourceInfo>& webSourceInfos) 54 { 55 ASSERT(m_callback && !m_scheduledEventTimer.isActive()); 56 57 for (size_t i = 0; i < webSourceInfos.size(); ++i) 58 m_sourceInfos.append(SourceInfo::create(webSourceInfos[i])); 59 60 m_protect = this; 61 m_scheduledEventTimer.startOneShot(0, FROM_HERE); 62 } 63 64 void MediaStreamTrackSourcesRequestImpl::scheduledEventTimerFired(Timer<MediaStreamTrackSourcesRequestImpl>*) 65 { 66 m_callback->handleEvent(m_sourceInfos); 67 m_callback.clear(); 68 m_protect.release(); 69 } 70 71 void MediaStreamTrackSourcesRequestImpl::trace(Visitor* visitor) 72 { 73 visitor->trace(m_sourceInfos); 74 visitor->trace(m_protect); 75 MediaStreamTrackSourcesRequest::trace(visitor); 76 } 77 78 } // namespace WebCore 79