/*
 * Copyright (C) 2012 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.
 * 3. Neither the name of Google Inc. nor the names of its contributors
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef RTCPeerConnectionHandler_h
#define RTCPeerConnectionHandler_h

#if ENABLE(MEDIA_STREAM)

#include "MediaStreamDescriptor.h"
#include <wtf/PassOwnPtr.h>
#include <wtf/PassRefPtr.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

class MediaConstraints;
class RTCConfiguration;
class RTCDataChannelDescriptor;
class RTCIceCandidateDescriptor;
class RTCPeerConnectionHandlerClient;
class RTCSessionDescriptionDescriptor;
class RTCSessionDescriptionRequest;
class RTCVoidRequest;

class RTCPeerConnectionHandler {
public:
    static PassOwnPtr<RTCPeerConnectionHandler> create(RTCPeerConnectionHandlerClient*);
    virtual ~RTCPeerConnectionHandler() { }

    virtual bool initialize(PassRefPtr<RTCConfiguration>, PassRefPtr<MediaConstraints>) = 0;
    virtual void createOffer(PassRefPtr<RTCSessionDescriptionRequest>, PassRefPtr<MediaConstraints>) = 0;
    virtual void createAnswer(PassRefPtr<RTCSessionDescriptionRequest>, PassRefPtr<MediaConstraints>) = 0;
    virtual void setLocalDescription(PassRefPtr<RTCVoidRequest>, PassRefPtr<RTCSessionDescriptionDescriptor>) = 0;
	virtual void setRemoteDescription(PassRefPtr<RTCVoidRequest>, PassRefPtr<RTCSessionDescriptionDescriptor>) = 0;
	virtual PassRefPtr<RTCSessionDescriptionDescriptor> localDescription() = 0;
	virtual PassRefPtr<RTCSessionDescriptionDescriptor> remoteDescription() = 0;
	virtual bool updateIce(PassRefPtr<RTCConfiguration>, PassRefPtr<MediaConstraints>) = 0;
    virtual bool addIceCandidate(PassRefPtr<RTCIceCandidateDescriptor>) = 0;
    virtual bool addStream(PassRefPtr<MediaStreamDescriptor>, PassRefPtr<MediaConstraints>) = 0;
    virtual void removeStream(PassRefPtr<MediaStreamDescriptor>) = 0;
    virtual void stop() = 0;

    // RTCDataChannel.
    virtual bool openDataChannel(PassRefPtr<RTCDataChannelDescriptor>) = 0;
    virtual bool sendStringData(PassRefPtr<RTCDataChannelDescriptor>, const String&) = 0;
    virtual bool sendRawData(PassRefPtr<RTCDataChannelDescriptor>, const char*, size_t) = 0;
    virtual void closeDataChannel(PassRefPtr<RTCDataChannelDescriptor>) = 0;

protected:
    RTCPeerConnectionHandler() { }
};

} // namespace WebCore

#endif // ENABLE(MEDIA_STREAM)

#endif // RTCPeerConnectionHandler_h
