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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* 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 GOOGLE INC. ``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 GOOGLE INC. OR
* 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_RTC_DTMF_SENDER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_RTC_DTMF_SENDER_H_
#include <memory>
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/modules/event_target_modules.h"
#include "third_party/blink/renderer/platform/heap/prefinalizer.h"
#include "third_party/blink/renderer/platform/peerconnection/rtc_dtmf_sender_handler.h"
#include "third_party/blink/renderer/platform/timer.h"
namespace blink {
class ExceptionState;
class RtcDtmfSenderHandler;
class RTCDTMFSender final : public EventTarget,
public RtcDtmfSenderHandler::Client,
public ExecutionContextLifecycleObserver {
DEFINE_WRAPPERTYPEINFO();
USING_PRE_FINALIZER(RTCDTMFSender, Dispose);
public:
static RTCDTMFSender* Create(ExecutionContext*,
std::unique_ptr<RtcDtmfSenderHandler>);
RTCDTMFSender(ExecutionContext*, std::unique_ptr<RtcDtmfSenderHandler>);
~RTCDTMFSender() override;
bool canInsertDTMF() const;
String toneBuffer() const;
void insertDTMF(const String& tones, ExceptionState&);
void insertDTMF(const String& tones, int duration, ExceptionState&);
void insertDTMF(const String& tones,
int duration,
int inter_tone_gap,
ExceptionState&);
DEFINE_ATTRIBUTE_EVENT_LISTENER(tonechange, kTonechange)
// EventTarget
const AtomicString& InterfaceName() const override;
ExecutionContext* GetExecutionContext() const override;
// ExecutionContextLifecycleObserver
void ContextDestroyed() override;
void Trace(Visitor*) const override;
private:
void Dispose();
// RtcDtmfSenderHandler::Client
void PlayoutTask();
void DidPlayTone(const String&) override;
std::unique_ptr<RtcDtmfSenderHandler> handler_;
bool stopped_;
String tone_buffer_;
int duration_;
int inter_tone_gap_;
bool playout_task_is_scheduled_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_RTC_DTMF_SENDER_H_
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