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 #include "bindings/v8/ScriptWrappable.h" 30 #include "core/dom/ActiveDOMObject.h" 31 #include "core/events/EventTarget.h" 32 #include "platform/Timer.h" 33 #include "platform/mediastream/RTCDTMFSenderHandlerClient.h" 34 #include "wtf/RefCounted.h" 35 36 namespace WebCore { 37 38 class ExceptionState; 39 class MediaStreamTrack; 40 class RTCDTMFSenderHandler; 41 class RTCPeerConnectionHandler; 42 43 class RTCDTMFSender : public RefCounted<RTCDTMFSender>, public ScriptWrappable, public EventTargetWithInlineData, public RTCDTMFSenderHandlerClient, public ActiveDOMObject { 44 REFCOUNTED_EVENT_TARGET(RTCDTMFSender); 45 public: 46 static PassRefPtr<RTCDTMFSender> create(ExecutionContext*, RTCPeerConnectionHandler*, PassRefPtr<MediaStreamTrack>, ExceptionState&); 47 ~RTCDTMFSender(); 48 49 bool canInsertDTMF() const; 50 MediaStreamTrack* track() const; 51 String toneBuffer() const; duration()52 long duration() const { return m_duration; } interToneGap()53 long interToneGap() const { return m_interToneGap; } 54 55 void insertDTMF(const String& tones, ExceptionState&); 56 void insertDTMF(const String& tones, long duration, ExceptionState&); 57 void insertDTMF(const String& tones, long duration, long interToneGap, ExceptionState&); 58 59 DEFINE_ATTRIBUTE_EVENT_LISTENER(tonechange); 60 61 // EventTarget 62 virtual const AtomicString& interfaceName() const OVERRIDE; 63 virtual ExecutionContext* executionContext() const OVERRIDE; 64 65 // ActiveDOMObject 66 virtual void stop() OVERRIDE; 67 68 private: 69 RTCDTMFSender(ExecutionContext*, PassRefPtr<MediaStreamTrack>, PassOwnPtr<RTCDTMFSenderHandler>); 70 71 void scheduleDispatchEvent(PassRefPtr<Event>); 72 void scheduledEventTimerFired(Timer<RTCDTMFSender>*); 73 74 // RTCDTMFSenderHandlerClient 75 virtual void didPlayTone(const String&) OVERRIDE; 76 77 RefPtr<MediaStreamTrack> m_track; 78 long m_duration; 79 long m_interToneGap; 80 81 OwnPtr<RTCDTMFSenderHandler> m_handler; 82 83 bool m_stopped; 84 85 Timer<RTCDTMFSender> m_scheduledEventTimer; 86 Vector<RefPtr<Event> > m_scheduledEvents; 87 }; 88 89 } // namespace WebCore 90 91 #endif // RTCDTMFSender_h 92