LCOV - code coverage report
Current view: directory - toolkit/system/dbus - nsDBusService.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 1 100.0 %
Date: 2012-06-02 Functions: 1 1 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* vim:expandtab:shiftwidth=4:tabstop=4:
       3                 :  */
       4                 : /* ***** BEGIN LICENSE BLOCK *****
       5                 :  * Version: NPL 1.1/GPL 2.0/LGPL 2.1
       6                 :  *
       7                 :  *
       8                 :  * The contents of this file are subject to the Mozilla Public
       9                 :  * License Version 1.1 (the "License"); you may not use this file
      10                 :  * except in compliance with the License. You may obtain a copy of
      11                 :  * the License at http://www.mozilla.org/MPL/
      12                 :  *
      13                 :  * Software distributed under the License is distributed on an "AS
      14                 :  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
      15                 :  * implied. See the License for the specific language governing
      16                 :  * rights and limitations under the License.
      17                 :  *
      18                 :  * The Original Code is Novell code.
      19                 :  *
      20                 :  * The Initial Developer of the Original Code is Novell, Inc.
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2006
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Original Author: Robert O'Callahan (rocallahan@novell.com)
      25                 :  *
      26                 :  * Contributor(s):
      27                 :  *
      28                 :  * Alternatively, the contents of this file may be used under the terms of
      29                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      30                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      31                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      32                 :  * of those above. If you wish to allow use of your version of this file only
      33                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      34                 :  * use your version of this file under the terms of the NPL, indicate your
      35                 :  * decision by deleting the provisions above and replace them with the notice
      36                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      37                 :  * the provisions above, a recipient may use your version of this file under
      38                 :  * the terms of any one of the NPL, the GPL or the LGPL.
      39                 :  *
      40                 :  * ***** END LICENSE BLOCK ***** */
      41                 : 
      42                 : #ifndef NSDBUSSERVICE_H_
      43                 : #define NSDBUSSERVICE_H_
      44                 : 
      45                 : #define DBUS_API_SUBJECT_TO_CHANGE
      46                 : #include <dbus/dbus.h>
      47                 : 
      48                 : #include "nsITimer.h"
      49                 : #include "nsCOMPtr.h"
      50                 : 
      51            1386 : class DBusClient {
      52                 : public:
      53                 :   virtual void RegisterWithConnection(DBusConnection* connection) = 0;
      54                 :   virtual void UnregisterWithConnection(DBusConnection* connection) = 0;
      55                 :   virtual bool HandleMessage(DBusMessage* msg) = 0;
      56                 : };
      57                 : 
      58                 : #define NS_DBUS_IID \
      59                 :   { 0xba4f79b7, 0x0d4c, 0x4b3a, { 0x8a, 0x85, 0x6f, 0xb3, 0x0d, 0xce, 0xf5, 0x11 } }
      60                 : 
      61                 : /**
      62                 :  * The nsDBusService component interfaces with DBUS to communicate with daemons
      63                 :  * in systems supporting DBUS. It links dynamically to the DBUS libraries so
      64                 :  * will not load on systems without those libraries ... but that's harmless.
      65                 :  *
      66                 :  * Currently the only daemon we communicate with is NetworkManager. We listen
      67                 :  * for NetworkManager state changes; we set nsIOService's offline status to
      68                 :  * FALSE when NetworkManager reports NM_STATE_CONNECTED, and to TRUE otherwise.
      69                 :  * We also solicit the current status from NetworkManager when this component
      70                 :  * gets loaded.
      71                 :  * 
      72                 :  * In the future we could extend this class to talk to other daemons.
      73                 :  * 
      74                 :  * Currently all communication is asynchronous. This isn't hard to implement
      75                 :  * and avoids blocking our main thread.
      76                 :  */
      77                 : class nsDBusService : public nsISupports
      78                 : {
      79                 : public:
      80                 :   nsDBusService();
      81                 :   virtual ~nsDBusService();
      82                 : 
      83                 :   NS_DECL_ISUPPORTS
      84                 :   NS_DECLARE_STATIC_IID_ACCESSOR(NS_DBUS_IID)
      85                 : 
      86                 :   static already_AddRefed<nsDBusService> Get();
      87                 :   
      88                 :   nsresult AddClient(DBusClient* client);
      89                 :   void RemoveClient(DBusClient* client);
      90                 : 
      91                 :   DBusPendingCall* SendWithReply(DBusClient* client, DBusMessage* message);
      92                 : 
      93                 :   // these should be private but we need to call them from static functions
      94                 :   bool HandleMessage(DBusMessage* message);
      95                 :   void DoTimerCallback(nsITimer* aTimer);
      96                 : 
      97                 : private:
      98                 :   nsresult CreateConnection();
      99                 :   void DropConnection();
     100                 :   void HandleDBusDisconnect();
     101                 : 
     102                 :   static nsDBusService* gSingleton;
     103                 :   
     104                 :   DBusConnection*    mConnection;
     105                 :   nsCOMPtr<nsITimer> mReconnectTimer;
     106                 :   DBusClient*        mSingleClient;
     107                 : };
     108                 : 
     109                 : #endif /*NSDBUSSERVICE_H_*/

Generated by: LCOV version 1.7