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/*
* 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,
* 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 WebSessionDescriptionDescriptor_h
#define WebSessionDescriptionDescriptor_h
#include "WebCommon.h"
#include "WebNonCopyable.h"
#include "WebPrivatePtr.h"
namespace WebCore {
class SessionDescriptionDescriptor;
}
namespace WebKit {
class WebString;
class WebICECandidateDescriptor;
/*
* 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 WebSessionDescriptionDescriptor {
public:
WebSessionDescriptionDescriptor() { }
WebSessionDescriptionDescriptor(const WebSessionDescriptionDescriptor& other) { assign(other); }
~WebSessionDescriptionDescriptor() { reset(); }
WebSessionDescriptionDescriptor& operator=(const WebSessionDescriptionDescriptor& other)
{
assign(other);
return *this;
}
WEBKIT_EXPORT void assign(const WebSessionDescriptionDescriptor&);
WEBKIT_EXPORT void initialize(const WebString& sdp);
WEBKIT_EXPORT void reset();
bool isNull() const { return m_private.isNull(); }
WEBKIT_EXPORT size_t numberOfAddedCandidates() const;
WEBKIT_EXPORT WebICECandidateDescriptor candidate(size_t index) const;
WEBKIT_EXPORT WebString initialSDP() const;
#if WEBKIT_IMPLEMENTATION
WebSessionDescriptionDescriptor(const WTF::PassRefPtr<WebCore::SessionDescriptionDescriptor>&);
operator WTF::PassRefPtr<WebCore::SessionDescriptionDescriptor>();
#endif
private:
WebPrivatePtr<WebCore::SessionDescriptionDescriptor> m_private;
};
} // namespace WebKit
#endif // WebSessionDescriptionDescriptor_h
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