Index: remoting/protocol/session_plugin.h |
diff --git a/remoting/protocol/session_plugin.h b/remoting/protocol/session_plugin.h |
new file mode 100644 |
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+// Copyright 2016 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 REMOTING_PROTOCOL_SESSION_PLUGIN_H_ |
+#define REMOTING_PROTOCOL_SESSION_PLUGIN_H_ |
+ |
+#include <memory> |
+ |
+#include "base/callback.h" |
+#include "remoting/protocol/jingle_messages.h" |
+#include "remoting/protocol/session.h" |
+#include "third_party/webrtc/libjingle/xmllite/xmlelement.h" |
+ |
+namespace remoting { |
+namespace protocol { |
+ |
+// An interface to attach data on an outgoing message or handle an incoming of |
+// message. The plugin data are designed to be optional, so this class won't |
+// impact a session generation. |
+class SessionPlugin { |
+ public: |
+ SessionPlugin(const base::Callback<std::unique_ptr<buzz::XmlElement>()>& |
+ new_attachments); |
+ virtual ~SessionPlugin(); |
+ |
+ // Attachs messages in |attachments|. |state| is the current session state. |
+ // |action| is the current ActionType in message. |
+ virtual void OnSending(Session::State state, |
+ JingleMessage::ActionType action, |
+ std::unique_ptr<buzz::XmlElement>* attachments) = 0; |
+ |
+ // Handles messages in |attachments|. |state| is the last session state. |
+ // |action| is the current ActionType in message. |
+ virtual void OnReceiving( |
+ Session::State state, |
+ JingleMessage::ActionType action, |
+ const std::unique_ptr<buzz::XmlElement>& attachments) = 0; |
+ |
+ protected: |
+ // Creates a new "attachments" xml element. |
+ const base::Callback<std::unique_ptr<buzz::XmlElement>()> new_attachments_; |
+}; |
+ |
+} // namespace protocol |
+} // namespace remoting |
+ |
+#endif // REMOTING_PROTOCOL_SESSION_PLUGIN_H_ |