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 "core/dom/ActiveDOMObject.h" 30 #include "modules/EventTargetModules.h" 31 #include "platform/Timer.h" 32 #include "public/platform/WebRTCDTMFSenderHandlerClient.h" 33 34 namespace blink { 35 36 class ExceptionState; 37 class MediaStreamTrack; 38 class WebRTCDTMFSenderHandler; 39 class WebRTCPeerConnectionHandler; 40 41 class RTCDTMFSender FINAL 42 : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<RTCDTMFSender> 43 , public EventTargetWithInlineData 44 , public WebRTCDTMFSenderHandlerClient 45 , public ActiveDOMObject { 46 DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<RTCDTMFSender>); 47 DEFINE_WRAPPERTYPEINFO(); 48 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(RTCDTMFSender); 49 public: 50 static RTCDTMFSender* create(ExecutionContext*, WebRTCPeerConnectionHandler*, MediaStreamTrack*, ExceptionState&); 51 virtual ~RTCDTMFSender(); 52 53 bool canInsertDTMF() const; 54 MediaStreamTrack* track() const; 55 String toneBuffer() const; 56 long duration() const { return m_duration; } 57 long interToneGap() const { return m_interToneGap; } 58 59 void insertDTMF(const String& tones, ExceptionState&); 60 void insertDTMF(const String& tones, long duration, ExceptionState&); 61 void insertDTMF(const String& tones, long duration, long interToneGap, ExceptionState&); 62 63 DEFINE_ATTRIBUTE_EVENT_LISTENER(tonechange); 64 65 // EventTarget 66 virtual const AtomicString& interfaceName() const OVERRIDE; 67 virtual ExecutionContext* executionContext() const OVERRIDE; 68 69 // ActiveDOMObject 70 virtual void stop() OVERRIDE; 71 72 virtual void trace(Visitor*) OVERRIDE; 73 74 private: 75 RTCDTMFSender(ExecutionContext*, MediaStreamTrack*, PassOwnPtr<WebRTCDTMFSenderHandler>); 76 77 void scheduleDispatchEvent(PassRefPtrWillBeRawPtr<Event>); 78 void scheduledEventTimerFired(Timer<RTCDTMFSender>*); 79 80 // WebRTCDTMFSenderHandlerClient 81 virtual void didPlayTone(const WebString&) OVERRIDE; 82 83 Member<MediaStreamTrack> m_track; 84 long m_duration; 85 long m_interToneGap; 86 87 OwnPtr<WebRTCDTMFSenderHandler> m_handler; 88 89 bool m_stopped; 90 91 Timer<RTCDTMFSender> m_scheduledEventTimer; 92 WillBeHeapVector<RefPtrWillBeMember<Event> > m_scheduledEvents; 93 }; 94 95 } // namespace blink 96 97 #endif // RTCDTMFSender_h 98
