/*
* 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * 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,
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* 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 WebRTCSessionDescription_h
#define WebRTCSessionDescription_h
#include "WebCommon.h"
#include "WebNonCopyable.h"
#include "WebPrivatePtr.h"
#include "WebString.h"
namespace blink {
class WebRTCSessionDescriptionPrivate;
// In order to establish the media plane, PeerConnection needs specific
// parameters to indicate what to transmit to the remote side, as well
// as how to handle the media that is received. These parameters are
// determined by the exchange of session descriptions in offers and
// answers, and there are certain details to this process that must be
// handled in the JSEP APIs.
//
// Whether a session description was sent or received affects the
// meaning of that description. For example, the list of codecs sent to
// a remote party indicates what the local side is willing to decode,
// and what the remote party should send.
class WebRTCSessionDescription {
public:
WebRTCSessionDescription() { }
WebRTCSessionDescription(const WebRTCSessionDescription& other) { assign(other); }
~WebRTCSessionDescription() { reset(); }
WebRTCSessionDescription& operator=(const WebRTCSessionDescription& other)
{
assign(other);
return *this;
}
BLINK_PLATFORM_EXPORT void assign(const WebRTCSessionDescription&);
BLINK_PLATFORM_EXPORT void initialize(const WebString& type, const WebString& sdp);
BLINK_PLATFORM_EXPORT void reset();
bool isNull() const { return m_private.isNull(); }
BLINK_PLATFORM_EXPORT WebString type() const;
BLINK_PLATFORM_EXPORT void setType(const WebString&);
BLINK_PLATFORM_EXPORT WebString sdp() const;
BLINK_PLATFORM_EXPORT void setSDP(const WebString&);
#if BLINK_IMPLEMENTATION
WebRTCSessionDescription(WebString type, WebString sdp)
{
this->initialize(type, sdp);
}
#endif
private:
WebPrivatePtr<WebRTCSessionDescriptionPrivate> m_private;
};
} // namespace blink
#endif // WebRTCSessionDescription_h