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 | #pragma once |
27 | |
28 | #if ENABLE(WEB_RTC_DTMF) |
29 | |
30 | #include "ActiveDOMObject.h" |
31 | #include "EventTarget.h" |
32 | #include "ExceptionOr.h" |
33 | #include "ScriptWrappable.h" |
34 | #include "Timer.h" |
35 | |
36 | namespace WebCore { |
37 | |
38 | class MediaStreamTrack; |
39 | |
40 | class RTCDTMFSender final : public RefCounted<RTCDTMFSender>, public EventTargetWithInlineData, public ActiveDOMObject { |
41 | WTF_MAKE_ISO_ALLOCATED(RTCDTMFSender); |
42 | public: |
43 | virtual ~RTCDTMFSender(); |
44 | |
45 | bool canInsertDTMF() const; |
46 | MediaStreamTrack* track() const; |
47 | String toneBuffer() const; |
48 | int duration() const { return m_duration; } |
49 | int interToneGap() const { return m_interToneGap; } |
50 | |
51 | ExceptionOr<void> insertDTMF(const String& tones, Optional<int> duration, Optional<int> interToneGap); |
52 | |
53 | using RefCounted::ref; |
54 | using RefCounted::deref; |
55 | |
56 | private: |
57 | RTCDTMFSender(ScriptExecutionContext&, RefPtr<MediaStreamTrack>&&); |
58 | |
59 | void stop() final; |
60 | const char* activeDOMObjectName() const final; |
61 | bool canSuspendForDocumentSuspension() const final; |
62 | |
63 | EventTargetInterface eventTargetInterface() const final { return RTCDTMFSenderEventTargetInterfaceType; } |
64 | ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); } |
65 | |
66 | void refEventTarget() final { ref(); } |
67 | void derefEventTarget() final { deref(); } |
68 | |
69 | void didPlayTone(const String&); |
70 | |
71 | void scheduleDispatchEvent(Ref<Event>&&); |
72 | void scheduledEventTimerFired(); |
73 | |
74 | RefPtr<MediaStreamTrack> m_track; |
75 | int m_duration; |
76 | int m_interToneGap; |
77 | |
78 | bool m_stopped; |
79 | |
80 | Timer m_scheduledEventTimer; |
81 | Vector<Ref<Event>> m_scheduledEvents; |
82 | }; |
83 | |
84 | } // namespace WebCore |
85 | |
86 | #endif // ENABLE(WEB_RTC) |
87 | |