86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
/*
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* Copyright (C) 2013 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(WEB_RTC)
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#include "ActiveDOMObject.h"
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#include "EventTarget.h"
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#include "ExceptionOr.h"
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#include "ScriptWrappable.h"
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#include "Timer.h"
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namespace WebCore {
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class MediaStreamTrack;
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class RTCDTMFSenderBackend;
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class RTCRtpSender;
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class RTCDTMFSender final : public RefCounted<RTCDTMFSender>, public EventTargetWithInlineData, public ActiveDOMObject {
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WTF_MAKE_ISO_ALLOCATED(RTCDTMFSender);
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public:
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static Ref<RTCDTMFSender> create(ScriptExecutionContext& context, RTCRtpSender& sender, std::unique_ptr<RTCDTMFSenderBackend>&& backend) { return adoptRef(* new RTCDTMFSender(context, sender, WTFMove(backend))); }
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virtual ~RTCDTMFSender();
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bool canInsertDTMF() const;
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String toneBuffer() const;
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ExceptionOr<void> insertDTMF(const String& tones, size_t duration, size_t interToneGap);
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using RefCounted::ref;
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using RefCounted::deref;
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private:
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RTCDTMFSender(ScriptExecutionContext&, RTCRtpSender&, std::unique_ptr<RTCDTMFSenderBackend>&&);
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void stop() final;
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const char* activeDOMObjectName() const final;
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EventTargetInterface eventTargetInterface() const final { return RTCDTMFSenderEventTargetInterfaceType; }
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ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
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void refEventTarget() final { ref(); }
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void derefEventTarget() final { deref(); }
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bool isStopped() const { return !m_sender; }
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void playNextTone();
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void onTonePlayed();
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void toneTimerFired();
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Timer m_toneTimer;
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WeakPtr<RTCRtpSender> m_sender;
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std::unique_ptr<RTCDTMFSenderBackend> m_backend;
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String m_tones;
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size_t m_duration;
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size_t m_interToneGap;
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bool m_isPendingPlayoutTask { false };
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};
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} // namespace WebCore
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#endif // ENABLE(WEB_RTC)
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