Add sender verification of D-Bus signals.

dbus/object_proxy.h

 // Copyright (c) 2012 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 DBUS_OBJECT_PROXY_H_
 #define DBUS_OBJECT_PROXY_H_
 
 #include <dbus/dbus.h>
 
 #include <map>
@@ skipping 218 matching lines @@
                             const base::StringPiece& method_name,
                             const base::StringPiece& error_name,
                             const base::StringPiece& error_message) const;
 
   // Used as ErrorCallback by CallMethod().
   void OnCallMethodError(const std::string& interface_name,
                          const std::string& method_name,
                          ResponseCallback response_callback,
                          ErrorResponse* error_response);
 
+  // Add the match rule to the bus and associate the callback with the signal.

[satorux1, 2012/10/22 04:50:42]

Adds

[Haruki Sato, 2012/10/24 08:28:05]

Done.

+  bool AddMatchRuleAndCallback(std::string match_rule,

[satorux1, 2012/10/22 04:50:42]

Please use const std::string& for function parameters.

[Haruki Sato, 2012/10/24 08:28:05]

Done.
Thanks.

+                         std::string absolute_signal_name,

[satorux1, 2012/10/22 04:50:42]

indentation is off

[Haruki Sato, 2012/10/24 08:28:05]

Done.
Thanks.

+                         SignalCallback signal_callback);
+
+
+  // Add the match rule to the bus so that HandleMessage can see the signal.
+  bool AddMatchRuleWithoutCallback(std::string match_rule,
+                         std::string absolute_signal_name);

[satorux1, 2012/10/22 05:23:32]

indentation is off.

[Haruki Sato, 2012/10/24 08:28:05]

Done.

+
+  // Handle NameOwnerChanged signal from D-Bus's special message bus
+  DBusHandlerResult HandleNameOwnerChanged(dbus::Signal* signal);
+
+  // Call D-Bus's GetNameOwner method and update the owner of |service_name_|.
+  bool UpdateNameOwner();
+
   scoped_refptr<Bus> bus_;
   std::string service_name_;
   ObjectPath object_path_;
 
   // True if the message filter was added.
   bool filter_added_;
 
   // The method table where keys are absolute signal names (i.e. interface
   // name + signal name), and values are the corresponding callbacks.
   typedef std::map<std::string, SignalCallback> MethodTable;
   MethodTable method_table_;
 
   std::set<std::string> match_rules_;
 
   const bool ignore_service_unknown_errors_;
 
+  std::string service_name_owner_;
+
   DISALLOW_COPY_AND_ASSIGN(ObjectProxy);
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_OBJECT_PROXY_H_