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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  * 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 #ifndef RTCStatsRequestImpl_h
     26 #define RTCStatsRequestImpl_h
     27 
     28 #include "core/dom/ActiveDOMObject.h"
     29 #include "modules/mediastream/RTCStatsResponse.h"
     30 #include "platform/heap/Handle.h"
     31 #include "platform/mediastream/RTCStatsRequest.h"
     32 #include "wtf/Forward.h"
     33 #include "wtf/text/WTFString.h"
     34 
     35 namespace blink {
     36 
     37 class MediaStreamTrack;
     38 class RTCPeerConnection;
     39 class RTCStatsCallback;
     40 
     41 class RTCStatsRequestImpl FINAL : public RTCStatsRequest, public ActiveDOMObject {
     42 public:
     43     static RTCStatsRequestImpl* create(ExecutionContext*, RTCPeerConnection*, RTCStatsCallback*, MediaStreamTrack*);
     44     virtual ~RTCStatsRequestImpl();
     45 
     46     virtual RTCStatsResponseBase* createResponse() OVERRIDE;
     47     virtual bool hasSelector() OVERRIDE;
     48     virtual MediaStreamComponent* component() OVERRIDE;
     49 
     50     virtual void requestSucceeded(RTCStatsResponseBase*) OVERRIDE;
     51 
     52     // ActiveDOMObject
     53     virtual void stop() OVERRIDE;
     54 
     55     virtual void trace(Visitor*) OVERRIDE;
     56 
     57 private:
     58     RTCStatsRequestImpl(ExecutionContext*, RTCPeerConnection*, RTCStatsCallback*, MediaStreamTrack*);
     59 
     60     void clear();
     61 
     62     Member<RTCStatsCallback> m_successCallback;
     63     RefPtr<MediaStreamComponent> m_component;
     64     Member<RTCPeerConnection> m_requester;
     65 };
     66 
     67 } // namespace blink
     68 
     69 #endif // RTCStatsRequestImpl_h
     70