remoting/jingle_glue/javascript_iq_request.h

   1 // Copyright (c) 2011 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_JINGLE_GLUE_JAVASCRIPT_IQ_REQUEST_H_
   6 #define REMOTING_JINGLE_GLUE_JAVASCRIPT_IQ_REQUEST_H_
   7
   8 #include <map>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "remoting/jingle_glue/iq_request.h"
  13
  14 namespace remoting {
  15
  16 class JavascriptIqRequest;
  17 class SignalStrategy;
  18
  19 class JavascriptIqRegistry {
  20  public:
  21   JavascriptIqRegistry();
  22   virtual ~JavascriptIqRegistry();
  23
  24   // Dispatches the response to the IqRequest callback immediately.
  25   //
  26   // Does not take ownership of stanza.
  27   void DispatchResponse(buzz::XmlElement* stanza);
  28
  29   // Registers |request| with the specified |id|.
  30   void RegisterRequest(JavascriptIqRequest* request, const std::string& id);
  31
  32   // Removes all entries in the registry that refer to |request|.  Useful when
  33   // |request| is about to be destructed.
  34   void RemoveAllRequests(JavascriptIqRequest* request);
  35
  36   void SetDefaultHandler(JavascriptIqRequest* default_request);
  37
  38   // Called by JavascriptSignalStrategy.
  39   void OnIncomingStanza(const buzz::XmlElement* stanza);
  40
  41  private:
  42   typedef std::map<std::string, JavascriptIqRequest*> IqRequestMap;
  43
  44   IqRequestMap requests_;
  45   JavascriptIqRequest* default_handler_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(JavascriptIqRegistry);
  48 };
  49
  50 // This call must only be used on the thread it was created on.
  51 class JavascriptIqRequest : public IqRequest {
  52  public:
  53   JavascriptIqRequest(SignalStrategy* signal_strategy,
  54                       JavascriptIqRegistry* registry);
  55   virtual ~JavascriptIqRequest();
  56
  57   // IqRequest interface.
  58   virtual void SendIq(buzz::XmlElement* iq_body) OVERRIDE;
  59   virtual void set_callback(const ReplyCallback& callback) OVERRIDE;
  60
  61  private:
  62   friend class JavascriptIqRegistry;
  63
  64   ReplyCallback callback_;
  65   SignalStrategy* signal_strategy_;
  66   JavascriptIqRegistry* registry_;
  67
  68   FRIEND_TEST_ALL_PREFIXES(IqRequestTest, MakeIqStanza);
  69 };
  70
  71 }  // namespace remoting
  72
  73 #endif  // REMOTING_JINGLE_GLUE_JAVASCRIPT_IQ_REQUEST_H_