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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_MEDIA_RTC_DTMF_SENDER_HANDLER_H_
#define CONTENT_RENDERER_MEDIA_RTC_DTMF_SENDER_HANDLER_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/threading/non_thread_safe.h"
#include "content/common/content_export.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebRTCDTMFSenderHandler.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebRTCDTMFSenderHandlerClient.h"
#include "third_party/libjingle/source/talk/app/webrtc/dtmfsenderinterface.h"
namespace content {
// RtcDtmfSenderHandler is a delegate for the RTC DTMF Sender API messages
// going between WebKit and native DTMF Sender in libjingle.
// Instances of this class are owned by WebKit.
// WebKit call all of these methods on the main render thread.
// Callbacks to the webrtc::DtmfSenderObserverInterface implementation also
// occur on the main render thread.
class CONTENT_EXPORT RtcDtmfSenderHandler
: NON_EXPORTED_BASE(public WebKit::WebRTCDTMFSenderHandler),
NON_EXPORTED_BASE(public webrtc::DtmfSenderObserverInterface),
NON_EXPORTED_BASE(public base::NonThreadSafe) {
public:
explicit RtcDtmfSenderHandler(webrtc::DtmfSenderInterface* dtmf_sender);
virtual ~RtcDtmfSenderHandler();
// WebKit::WebRTCDTMFSenderHandler implementation.
virtual void setClient(
WebKit::WebRTCDTMFSenderHandlerClient* client) OVERRIDE;
virtual WebKit::WebString currentToneBuffer() OVERRIDE;
virtual bool canInsertDTMF() OVERRIDE;
virtual bool insertDTMF(const WebKit::WebString& tones, long duration,
long interToneGap) OVERRIDE;
// webrtc::DtmfSenderObserverInterface implementation.
virtual void OnToneChange(const std::string& tone) OVERRIDE;
private:
scoped_refptr<webrtc::DtmfSenderInterface> dtmf_sender_;
WebKit::WebRTCDTMFSenderHandlerClient* webkit_client_;
};
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_RTC_DTMF_SENDER_HANDLER_H_
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