remoting/protocol/content_description.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef REMOTING_PROTOCOL_CONTENT_DESCRIPTION_H_
   6 #define REMOTING_PROTOCOL_CONTENT_DESCRIPTION_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "remoting/protocol/session_config.h"
  13
  14 namespace buzz {
  15 class XmlElement;
  16 }  // namespace buzz
  17
  18 namespace remoting {
  19 namespace protocol {
  20
  21 // ContentDescription used for chromoting sessions. It contains the information
  22 // from the content description stanza in the session initialization handshake.
  23 //
  24 // This class also provides a type abstraction so that the Chromotocol Session
  25 // interface does not need to depend on libjingle.
  26 class ContentDescription {
  27  public:
  28   static const char kChromotingContentName[];
  29
  30   ContentDescription(scoped_ptr<CandidateSessionConfig> config,
  31                      scoped_ptr<buzz::XmlElement> authenticator_message,
  32                      const std::string& quic_config_message);
  33   ~ContentDescription();
  34
  35   const CandidateSessionConfig* config() const {
  36     return candidate_config_.get();
  37   }
  38
  39   const buzz::XmlElement* authenticator_message() const {
  40     return authenticator_message_.get();
  41   }
  42
  43   const std::string& quic_config_message() const {
  44     return quic_config_message_;
  45   }
  46
  47   buzz::XmlElement* ToXml() const;
  48
  49   static scoped_ptr<ContentDescription> ParseXml(
  50       const buzz::XmlElement* element);
  51
  52  private:
  53   scoped_ptr<const CandidateSessionConfig> candidate_config_;
  54   scoped_ptr<const buzz::XmlElement> authenticator_message_;
  55   std::string quic_config_message_;
  56
  57   static bool ParseChannelConfigs(const buzz::XmlElement* const element,
  58                                   const char tag_name[],
  59                                   bool codec_required,
  60                                   bool optional,
  61                                   std::list<ChannelConfig>* const configs);
  62 };
  63
  64 }  // namespace protocol
  65 }  // namespace remoting
  66
  67 #endif  // REMOTING_PROTOCOL_CONTENT_DESCRIPTION_H_