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/*
* Copyright (C) 2019 Apple Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(LIBWEBRTC)
#include "LibWebRTCMacros.h"
#include "RTCDTMFSenderBackend.h"
#include <wtf/WeakPtr.h>
ALLOW_UNUSED_PARAMETERS_BEGIN
#include <webrtc/api/dtmf_sender_interface.h>
#include <webrtc/api/scoped_refptr.h>
ALLOW_UNUSED_PARAMETERS_END
namespace WebCore {
// Use eager initialization for the WeakPtrFactory since we construct WeakPtrs on another thread.
class LibWebRTCDTMFSenderBackend final : public RTCDTMFSenderBackend, private webrtc::DtmfSenderObserverInterface, public CanMakeWeakPtr<LibWebRTCDTMFSenderBackend, WeakPtrFactoryInitialization::Eager> {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit LibWebRTCDTMFSenderBackend(rtc::scoped_refptr<webrtc::DtmfSenderInterface>&&);
~LibWebRTCDTMFSenderBackend();
private:
// RTCDTMFSenderBackend
bool canInsertDTMF() final;
void playTone(const String& tone, size_t duration, size_t interToneGap) final;
void onTonePlayed(Function<void(const String&)>&&) final;
String tones() const final;
size_t duration() const final;
size_t interToneGap() const final;
// DtmfSenderObserverInterface
void OnToneChange(const std::string& tone, const std::string&) final;
rtc::scoped_refptr<webrtc::DtmfSenderInterface> m_sender;
Function<void(const String&)> m_onTonePlayed;
};
} // namespace WebCore
#endif // USE(LIBWEBRTC)
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