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#ifndef RTCDTMFSender_h 27#define RTCDTMFSender_h 28 29#if ENABLE(MEDIA_STREAM) 30 31#include "ActiveDOMObject.h" 32#include "EventTarget.h" 33#include "RTCDTMFSenderHandlerClient.h" 34#include "Timer.h" 35#include <wtf/RefCounted.h> 36 37namespace WebCore { 38 39class MediaStreamTrack; 40class RTCPeerConnectionHandler; 41class RTCDTMFSenderHandler; 42 43class RTCDTMFSender : public RefCounted<RTCDTMFSender>, public EventTarget, public RTCDTMFSenderHandlerClient, public ActiveDOMObject { 44public: 45 static PassRefPtr<RTCDTMFSender> create(ScriptExecutionContext*, RTCPeerConnectionHandler*, PassRefPtr<MediaStreamTrack>, ExceptionCode&); 46 ~RTCDTMFSender(); 47 48 bool canInsertDTMF() const; 49 MediaStreamTrack* track() const; 50 String toneBuffer() const; 51 long duration() const { return m_duration; } 52 long interToneGap() const { return m_interToneGap; } 53 54 void insertDTMF(const String& tones, ExceptionCode&); 55 void insertDTMF(const String& tones, long duration, ExceptionCode&); 56 void insertDTMF(const String& tones, long duration, long interToneGap, ExceptionCode&); 57 58 DEFINE_ATTRIBUTE_EVENT_LISTENER(tonechange); 59 60 // EventTarget 61 virtual const AtomicString& interfaceName() const OVERRIDE; 62 virtual ScriptExecutionContext* scriptExecutionContext() const OVERRIDE; 63 64 // ActiveDOMObject 65 virtual void stop() OVERRIDE; 66 67 using RefCounted<RTCDTMFSender>::ref; 68 using RefCounted<RTCDTMFSender>::deref; 69 70private: 71 RTCDTMFSender(ScriptExecutionContext*, PassRefPtr<MediaStreamTrack>, PassOwnPtr<RTCDTMFSenderHandler>); 72 73 void scheduleDispatchEvent(PassRefPtr<Event>); 74 void scheduledEventTimerFired(Timer<RTCDTMFSender>*); 75 76 // EventTarget 77 virtual EventTargetData* eventTargetData() OVERRIDE; 78 virtual EventTargetData* ensureEventTargetData() OVERRIDE; 79 virtual void refEventTarget() OVERRIDE { ref(); } 80 virtual void derefEventTarget() OVERRIDE { deref(); } 81 EventTargetData m_eventTargetData; 82 83 // RTCDTMFSenderHandlerClient 84 virtual void didPlayTone(const String&) OVERRIDE; 85 86 RefPtr<MediaStreamTrack> m_track; 87 long m_duration; 88 long m_interToneGap; 89 90 OwnPtr<RTCDTMFSenderHandler> m_handler; 91 92 bool m_stopped; 93 94 Timer<RTCDTMFSender> m_scheduledEventTimer; 95 Vector<RefPtr<Event> > m_scheduledEvents; 96}; 97 98} // namespace WebCore 99 100#endif // ENABLE(MEDIA_STREAM) 101 102#endif // RTCDTMFSender_h 103