src/plugin-menu/nautilus-module.c

   1 /*
   2  * Nautilus-Actions
   3  * A Nautilus extension which offers configurable context menu actions.
   4  *
   5  * Copyright (C) 2005 The GNOME Foundation
   6  * Copyright (C) 2006, 2007, 2008 Frederic Ruaudel and others (see AUTHORS)
   7  * Copyright (C) 2009, 2010, 2011 Pierre Wieser and others (see AUTHORS)
   8  *
   9  * This Program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This Program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public
  20  * License along with this Library; see the file COPYING.  If not,
  21  * write to the Free Software Foundation, Inc., 59 Temple Place,
  22  * Suite 330, Boston, MA 02111-1307, USA.
  23  *
  24  * Authors:
  25  *   Frederic Ruaudel <grumz@grumz.net>
  26  *   Rodrigo Moya <rodrigo@gnome-db.org>
  27  *   Pierre Wieser <pwieser@trychlos.org>
  28  *   ... and many others (see AUTHORS)
  29  */
  30
  31 #ifdef HAVE_CONFIG_H
  32 #include <config.h>
  33 #endif
  34
  35 #include <string.h>
  36 #include <syslog.h>
  37 #include <unistd.h>
  38
  39 #include <libnautilus-extension/nautilus-extension-types.h>
  40
  41 #include <core/na-gconf-migration.h>
  42
  43 #include "nautilus-actions.h"
  44
  45 static void set_log_handler( void );
  46 static void log_handler( const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer user_data );
  47
  48 static GLogFunc st_default_log_func = NULL;
  49
  50 /*
  51  * A nautilus extension must implement three functions :
  52  *
  53  * - nautilus_module_initialize
  54  * - nautilus_module_list_types
  55  * - nautilus_module_shutdown
  56  *
  57  * The first two functions are called at nautilus startup.
  58  *
  59  * The prototypes for these functions are defined in nautilus-extension-types.h
  60  */
  61
  62 void
  63 nautilus_module_initialize( GTypeModule *module )
  64 {
  65         static const gchar *thisfn = "nautilus_module_initialize";
  66
  67         syslog( LOG_USER | LOG_INFO, "[N-A] %s Menu Extender %s initializing...", PACKAGE_NAME, PACKAGE_VERSION );
  68
  69         set_log_handler();
  70
  71         g_debug( "%s: module=%p", thisfn, ( void * ) module );
  72
  73         g_type_module_set_name( module, PACKAGE_STRING );
  74
  75         /* pwi 2011-01-05
  76          * run GConf migration tools before doing anything else
  77          * above all before allocating a new NAPivot
  78          */
  79         na_gconf_migration_run();
  80
  81         nautilus_actions_register_type( module );
  82 }
  83
  84 void
  85 nautilus_module_list_types( const GType **types, int *num_types )
  86 {
  87         static const gchar *thisfn = "nautilus_module_list_types";
  88         static GType type_list[1];
  89
  90         g_debug( "%s: types=%p, num_types=%p", thisfn, ( void * ) types, ( void * ) num_types );
  91
  92         type_list[0] = NAUTILUS_ACTIONS_TYPE;
  93         *types = type_list;
  94         *num_types = 1;
  95
  96         /* this may let us some time to attach nautilus to the debugger :) */
  97         /*sleep( 60 ); */
  98 }
  99
 100 void
 101 nautilus_module_shutdown( void )
 102 {
 103         static const gchar *thisfn = "nautilus_module_shutdown";
 104
 105         g_debug( "%s", thisfn );
 106
 107         /* remove the log handler
 108          * almost useless as the process is nonetheless terminating at this time
 109          * but this is the art of coding...
 110          */
 111         if( st_default_log_func ){
 112                 g_log_set_default_handler( st_default_log_func, NULL );
 113                 st_default_log_func = NULL;
 114         }
 115 }
 116
 117 /*
 118  * a log handler that we install when in development mode in order to be
 119  * able to log plugin runtime
 120  */
 121 static void
 122 set_log_handler( void )
 123 {
 124         st_default_log_func = g_log_set_default_handler(( GLogFunc ) log_handler, NULL );
 125 }
 126
 127 /*
 128  * we used to install a log handler for each and every log domain used
 129  * in Nautilus-Actions ; this led to a fastidious enumeration
 130  * instead we install a default log handler which will receive all
 131  * debug messages, i.e. not only from N-A, but also from other code
 132  * in the Nautilus process
 133  */
 134 static void
 135 log_handler( const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer user_data )
 136 {
 137         gchar *tmp;
 138
 139         tmp = g_strdup( "" );
 140         if( log_domain && strlen( log_domain )){
 141                 g_free( tmp );
 142                 tmp = g_strdup_printf( "[%s] ", log_domain );
 143         }
 144
 145 #ifdef NA_MAINTAINER_MODE
 146         /*( *st_default_log_func )( log_domain, log_level, message, user_data );*/
 147         syslog( LOG_USER | LOG_DEBUG, "%s%s", tmp, message );
 148 #else
 149         if( g_getenv( NAUTILUS_ACTIONS_DEBUG )){
 150                 syslog( LOG_USER | LOG_DEBUG, "%s%s", tmp, message );
 151         }
 152 #endif
 153
 154         g_free( tmp );
 155 }