src/nact/nact-imimetypes-tab.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 <glib/gi18n.h>
  36
  37 #include <api/na-object-api.h>
  38
  39 #include "nact-main-tab.h"
  40 #include "nact-match-list.h"
  41 #include "nact-imimetypes-tab.h"
  42
  43 /* private interface data
  44  */
  45 struct NactIMimetypesTabInterfacePrivate {
  46         void *empty;                                            /* so that gcc -pedantic is happy */
  47 };
  48
  49 #define ITAB_NAME                                               "mimetypes"
  50
  51 static gboolean st_initialized = FALSE;
  52 static gboolean st_finalized = FALSE;
  53
  54 static GType   register_type( void );
  55 static void    interface_base_init( NactIMimetypesTabInterface *klass );
  56 static void    interface_base_finalize( NactIMimetypesTabInterface *klass );
  57
  58 static void    on_tab_updatable_selection_changed( BaseWindow *window, gint count_selected );
  59
  60 static GSList *get_mimetypes( void *context );
  61 static void    set_mimetypes( void *context, GSList *filters );
  62
  63 GType
  64 nact_imimetypes_tab_get_type( void )
  65 {
  66         static GType iface_type = 0;
  67
  68         if( !iface_type ){
  69                 iface_type = register_type();
  70         }
  71
  72         return( iface_type );
  73 }
  74
  75 static GType
  76 register_type( void )
  77 {
  78         static const gchar *thisfn = "nact_imimetypes_tab_register_type";
  79         GType type;
  80
  81         static const GTypeInfo info = {
  82                 sizeof( NactIMimetypesTabInterface ),
  83                 ( GBaseInitFunc ) interface_base_init,
  84                 ( GBaseFinalizeFunc ) interface_base_finalize,
  85                 NULL,
  86                 NULL,
  87                 NULL,
  88                 0,
  89                 0,
  90                 NULL
  91         };
  92
  93         g_debug( "%s", thisfn );
  94
  95         type = g_type_register_static( G_TYPE_INTERFACE, "NactIMimetypesTab", &info, 0 );
  96
  97         g_type_interface_add_prerequisite( type, BASE_WINDOW_TYPE );
  98
  99         return( type );
 100 }
 101
 102 static void
 103 interface_base_init( NactIMimetypesTabInterface *klass )
 104 {
 105         static const gchar *thisfn = "nact_imimetypes_tab_interface_base_init";
 106
 107         if( !st_initialized ){
 108
 109                 g_debug( "%s: klass=%p", thisfn, ( void * ) klass );
 110
 111                 klass->private = g_new0( NactIMimetypesTabInterfacePrivate, 1 );
 112
 113                 st_initialized = TRUE;
 114         }
 115 }
 116
 117 static void
 118 interface_base_finalize( NactIMimetypesTabInterface *klass )
 119 {
 120         static const gchar *thisfn = "nact_imimetypes_tab_interface_base_finalize";
 121
 122         if( st_initialized && !st_finalized ){
 123
 124                 g_debug( "%s: klass=%p", thisfn, ( void * ) klass );
 125
 126                 st_finalized = TRUE;
 127
 128                 g_free( klass->private );
 129         }
 130 }
 131
 132 /**
 133  * nact_imimetypes_tab_initial_load:
 134  * @window: this #NactIMimetypesTab instance.
 135  *
 136  * Initializes the tab widget at initial load.
 137  */
 138 void
 139 nact_imimetypes_tab_initial_load_toplevel( NactIMimetypesTab *instance )
 140 {
 141         static const gchar *thisfn = "nact_imimetypes_tab_initial_load_toplevel";
 142         GtkWidget *list, *add, *remove;
 143
 144         g_return_if_fail( NACT_IS_IMIMETYPES_TAB( instance ));
 145
 146         if( st_initialized && !st_finalized ){
 147
 148                 g_debug( "%s: instance=%p", thisfn, ( void * ) instance );
 149
 150                 list = base_window_get_widget( BASE_WINDOW( instance ), "MimetypesTreeView" );
 151                 add = base_window_get_widget( BASE_WINDOW( instance ), "AddMimetypeButton" );
 152                 remove = base_window_get_widget( BASE_WINDOW( instance ), "RemoveMimetypeButton" );
 153
 154                 nact_match_list_create_model(
 155                                 BASE_WINDOW( instance ),
 156                                 ITAB_NAME,
 157                                 TAB_MIMETYPES,
 158                                 list, add, remove,
 159                                 ( pget_filters ) get_mimetypes,
 160                                 ( pset_filters ) set_mimetypes,
 161                                 NULL,
 162                                 MATCH_LIST_MUST_MATCH_ONE_OF,
 163                                 _( "Mimetype filter" ), TRUE );
 164         }
 165 }
 166
 167 /**
 168  * nact_imimetypes_tab_runtime_init:
 169  * @window: this #NactIMimetypesTab instance.
 170  *
 171  * Initializes the tab widget at each time the widget will be displayed.
 172  * Connect signals and setup runtime values.
 173  */
 174 void
 175 nact_imimetypes_tab_runtime_init_toplevel( NactIMimetypesTab *instance )
 176 {
 177         static const gchar *thisfn = "nact_imimetypes_tab_runtime_init_toplevel";
 178
 179         g_return_if_fail( NACT_IS_IMIMETYPES_TAB( instance ));
 180
 181         if( st_initialized && !st_finalized ){
 182
 183                 g_debug( "%s: instance=%p", thisfn, ( void * ) instance );
 184
 185                 base_window_signal_connect(
 186                                 BASE_WINDOW( instance ),
 187                                 G_OBJECT( instance ),
 188                                 MAIN_WINDOW_SIGNAL_SELECTION_CHANGED,
 189                                 G_CALLBACK( on_tab_updatable_selection_changed ));
 190
 191                 nact_match_list_init_view( BASE_WINDOW( instance ), ITAB_NAME );
 192         }
 193 }
 194
 195 void
 196 nact_imimetypes_tab_all_widgets_showed( NactIMimetypesTab *instance )
 197 {
 198         static const gchar *thisfn = "nact_imimetypes_tab_all_widgets_showed";
 199
 200         g_return_if_fail( NACT_IS_IMIMETYPES_TAB( instance ));
 201
 202         if( st_initialized && !st_finalized ){
 203
 204                 g_debug( "%s: instance=%p", thisfn, ( void * ) instance );
 205         }
 206 }
 207
 208 /**
 209  * nact_imimetypes_tab_dispose:
 210  * @window: this #NactIMimetypesTab instance.
 211  *
 212  * Called at instance_dispose time.
 213  */
 214 void
 215 nact_imimetypes_tab_dispose( NactIMimetypesTab *instance )
 216 {
 217         static const gchar *thisfn = "nact_imimetypes_tab_dispose";
 218
 219         g_return_if_fail( NACT_IS_IMIMETYPES_TAB( instance ));
 220
 221         if( st_initialized && !st_finalized ){
 222
 223                 g_debug( "%s: instance=%p", thisfn, ( void * ) instance );
 224
 225                 nact_match_list_dispose( BASE_WINDOW( instance ), ITAB_NAME );
 226         }
 227 }
 228
 229 static void
 230 on_tab_updatable_selection_changed( BaseWindow *window, gint count_selected )
 231 {
 232         nact_match_list_on_selection_changed( window, ITAB_NAME, count_selected );
 233 }
 234
 235 static GSList *
 236 get_mimetypes( void *context )
 237 {
 238         return( na_object_get_mimetypes( context ));
 239 }
 240
 241 static void
 242 set_mimetypes( void *context, GSList *filters )
 243 {
 244         na_object_set_mimetypes( context, filters );
 245 }