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      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