shell/ev-application.c

   1 /* this file is part of evince, a gnome document viewer
   2  *
   3  *  Copyright (C) 2004 Martin Kretzschmar
   4  *
   5  *  Author:
   6  *    Martin Kretzschmar <martink@gnome.org>
   7  *
   8  * Evince is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * Evince is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include "ev-application.h"
  28 #include "ev-utils.h"
  29 #include "ev-document-types.h"
  30 #include "ev-file-helpers.h"
  31
  32 #include <glib.h>
  33 #include <glib/gi18n.h>
  34 #include <glib-object.h>
  35 #include <gtk/gtkfilechooserdialog.h>
  36 #include <gtk/gtkstock.h>
  37 #include <gtk/gtkwidget.h>
  38 #include <gtk/gtkmain.h>
  39 #include <libgnomeui/gnome-client.h>
  40 #include <string.h>
  41
  42 #ifdef ENABLE_DBUS
  43 #include "ev-application-service.h"
  44 #include <dbus/dbus-glib-bindings.h>
  45 #endif
  46
  47 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  48
  49 #define EV_APPLICATION_GET_PRIVATE(object) \
  50         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_APPLICATION, EvApplicationPrivate))
  51
  52 #define APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
  53
  54 #ifdef ENABLE_DBUS
  55 gboolean
  56 ev_application_register_service (EvApplication *application)
  57 {
  58         DBusGConnection *connection;
  59         DBusGProxy *driver_proxy;
  60         GError *err = NULL;
  61         guint request_name_result;
  62
  63         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
  64         if (connection == NULL) {
  65                 g_warning ("Service registration failed.");
  66                 g_error_free (err);
  67
  68                 return FALSE;
  69         }
  70
  71         driver_proxy = dbus_g_proxy_new_for_name (connection,
  72                                                   DBUS_SERVICE_DBUS,
  73                                                   DBUS_PATH_DBUS,
  74                                                   DBUS_INTERFACE_DBUS);
  75
  76 #if DBUS_VERSION >= 60
  77         if (!org_freedesktop_DBus_request_name (driver_proxy,
  78                                                 APPLICATION_SERVICE_NAME,
  79                                                 DBUS_NAME_FLAG_DO_NOT_QUEUE,
  80                                                 &request_name_result, &err)) {
  81                 g_warning ("Service registration failed.");
  82                 g_clear_error (&err);
  83         }
  84 #else
  85         if (!org_freedesktop_DBus_request_name (driver_proxy,
  86                                                 APPLICATION_SERVICE_NAME,
  87                                                 0, &request_name_result, &err)) {
  88                 g_warning ("Service registration failed.");
  89                 g_clear_error (&err);
  90         }
  91 #endif
  92
  93         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
  94                 return FALSE;
  95         }
  96
  97 #if DBUS_VERSION == 33
  98         dbus_g_object_class_install_info (G_OBJECT_GET_CLASS (application),
  99                                           &dbus_glib_ev_application_object_info);
 100 #else
 101         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 102                                          &dbus_glib_ev_application_object_info);
 103 #endif
 104
 105         dbus_g_connection_register_g_object (connection,
 106                                              "/org/gnome/evince/Evince",
 107                                              G_OBJECT (application));
 108
 109         return TRUE;
 110 }
 111 #endif /* ENABLE_DBUS */
 112
 113 EvApplication *
 114 ev_application_get_instance (void)
 115 {
 116         static EvApplication *instance;
 117
 118         if (!instance) {
 119                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 120         }
 121
 122         return instance;
 123 }
 124
 125 static void
 126 removed_from_session (GnomeClient *client, EvApplication *application)
 127 {
 128         ev_application_shutdown (application);
 129 }
 130
 131 static gint
 132 save_session (GnomeClient *client, gint phase, GnomeSaveStyle save_style, gint shutdown,
 133               GnomeInteractStyle interact_style, gint fast, EvApplication *application)
 134 {
 135         GList *windows, *l;
 136         char **restart_argv;
 137         int argc = 0, k;
 138
 139         windows = ev_application_get_windows (application);
 140         restart_argv = g_new (char *, g_list_length (windows) + 1);
 141         restart_argv[argc++] = g_strdup ("evince");
 142
 143         for (l = windows; l != NULL; l = l->next) {
 144                 EvWindow *window = EV_WINDOW (l->data);
 145                 restart_argv[argc++] = g_strdup (ev_window_get_uri (window));
 146         }
 147
 148         gnome_client_set_restart_command (client, argc, restart_argv);
 149
 150         for (k = 0; k < argc; k++) {
 151                 g_free (restart_argv[k]);
 152         }
 153
 154         g_list_free (windows);
 155         g_free (restart_argv);
 156
 157         return TRUE;
 158 }
 159
 160 static void
 161 init_session (EvApplication *application)
 162 {
 163         GnomeClient *client;
 164
 165         client = gnome_master_client ();
 166
 167         g_signal_connect (client, "save_yourself",
 168                           G_CALLBACK (save_session), application);
 169         g_signal_connect (client, "die",
 170                           G_CALLBACK (removed_from_session), application);
 171 }
 172
 173 gboolean
 174 ev_application_open_window (EvApplication  *application,
 175                             guint32         timestamp,
 176                             GError        **error)
 177 {
 178         GtkWidget *new_window = ev_window_new ();
 179
 180         gtk_widget_show (new_window);
 181
 182 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 183         gtk_window_present_with_time (GTK_WINDOW (new_window),
 184                                       timestamp);
 185 #else
 186         gtk_window_present (GTK_WINDOW (new_window));
 187 #endif
 188
 189         return TRUE;
 190 }
 191
 192 static EvWindow *
 193 ev_application_get_empty_window (EvApplication *application)
 194 {
 195         EvWindow *empty_window = NULL;
 196         GList *windows = ev_application_get_windows (application);
 197         GList *l;
 198
 199         for (l = windows; l != NULL; l = l->next) {
 200                 EvWindow *window = EV_WINDOW (l->data);
 201
 202                 if (ev_window_is_empty (window)) {
 203                         empty_window = window;
 204                         break;
 205                 }
 206         }
 207
 208         g_list_free (windows);
 209
 210         return empty_window;
 211 }
 212
 213 static EvWindow *
 214 ev_application_get_uri_window (EvApplication *application, const char *uri)
 215 {
 216         EvWindow *uri_window = NULL;
 217         GList *windows = gtk_window_list_toplevels ();
 218         GList *l;
 219
 220         g_return_val_if_fail (uri != NULL, NULL);
 221
 222         for (l = windows; l != NULL; l = l->next) {
 223                 if (EV_IS_WINDOW (l->data)) {
 224                         EvWindow *window = EV_WINDOW (l->data);
 225                         const char *window_uri = ev_window_get_uri (window);
 226
 227                         if (window_uri && strcmp (window_uri, uri) == 0 && !ev_window_is_empty (window)) {
 228                                 uri_window = window;
 229                                 break;
 230                         }
 231                 }
 232         }
 233
 234         g_list_free (windows);
 235
 236         return uri_window;
 237 }
 238
 239 gboolean
 240 ev_application_open_uri (EvApplication  *application,
 241                          const char     *uri,
 242                          const char     *page_label,
 243                          guint           timestamp,
 244                          GError        **error)
 245 {
 246         EvWindow *new_window;
 247
 248         g_return_val_if_fail (uri != NULL, FALSE);
 249
 250         new_window = ev_application_get_uri_window (application, uri);
 251         if (new_window != NULL) {
 252 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 253                 gtk_window_present_with_time (GTK_WINDOW (new_window),
 254                                               timestamp);
 255 #else
 256                 gtk_window_present (GTK_WINDOW (new_window));
 257 #endif
 258                 return TRUE;
 259         }
 260
 261         new_window = ev_application_get_empty_window (application);
 262
 263         if (new_window == NULL) {
 264                 new_window = EV_WINDOW (ev_window_new ());
 265         }
 266
 267         /* We need to load uri before showing the window, so
 268            we can restore window size without flickering */
 269         ev_window_open_uri (new_window, uri);
 270
 271         gtk_widget_show (GTK_WIDGET (new_window));
 272
 273 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 274         gtk_window_present_with_time (GTK_WINDOW (new_window),
 275                                       timestamp);
 276 #else
 277         gtk_window_present (GTK_WINDOW (new_window));
 278 #endif
 279
 280         if (page_label != NULL) {
 281                 ev_window_open_page_label (new_window, page_label);
 282         }
 283
 284         return TRUE;
 285 }
 286
 287 void
 288 ev_application_open_uri_list (EvApplication *application,
 289                               GSList        *uri_list,
 290                               guint          timestamp)
 291 {
 292         GSList *l;
 293
 294         for (l = uri_list; l != NULL; l = l->next) {
 295                 ev_application_open_uri (application, (char *)l->data,
 296                                          NULL,
 297                                          timestamp,
 298                                          NULL);
 299         }
 300 }
 301
 302 void
 303 ev_application_shutdown (EvApplication *application)
 304 {
 305         if (application->toolbars_model) {
 306                 g_object_unref (application->toolbars_model);
 307                 g_free (application->toolbars_file);
 308                 application->toolbars_model = NULL;
 309                 application->toolbars_file = NULL;
 310         }
 311
 312         if (application->recent_model) {
 313                 g_object_unref (application->recent_model);
 314                 application->recent_model = NULL;
 315         }
 316
 317         g_free (application->last_chooser_uri);
 318         g_object_unref (application);
 319
 320         gtk_main_quit ();
 321 }
 322
 323 static void
 324 ev_application_class_init (EvApplicationClass *ev_application_class)
 325 {
 326 }
 327
 328 static void
 329 ev_application_init (EvApplication *ev_application)
 330 {
 331         init_session (ev_application);
 332
 333         ev_application->toolbars_model = egg_toolbars_model_new ();
 334
 335         ev_application->toolbars_file = g_build_filename
 336                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 337
 338         if (!egg_toolbars_model_load (ev_application->toolbars_model,
 339                                       ev_application->toolbars_file)) {
 340                 egg_toolbars_model_load (ev_application->toolbars_model,
 341                                          DATADIR"/evince-toolbar.xml");
 342         }
 343
 344         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 345                                       EGG_TB_MODEL_NOT_REMOVABLE);
 346
 347         ev_application->recent_model = egg_recent_model_new (EGG_RECENT_MODEL_SORT_MRU);
 348         /* FIXME we should add a mime type filter but current eggrecent
 349            has only a varargs style api which does not work well when
 350            the list of mime types is dynamic */
 351         egg_recent_model_set_limit (ev_application->recent_model, 5);
 352         egg_recent_model_set_filter_groups (ev_application->recent_model,
 353                                             "Evince", NULL);
 354 }
 355
 356 GList *
 357 ev_application_get_windows (EvApplication *application)
 358 {
 359         GList *l, *toplevels;
 360         GList *windows = NULL;
 361
 362         toplevels = gtk_window_list_toplevels ();
 363
 364         for (l = toplevels; l != NULL; l = l->next) {
 365                 if (EV_IS_WINDOW (l->data)) {
 366                         windows = g_list_append (windows, l->data);
 367                 }
 368         }
 369
 370         g_list_free (toplevels);
 371
 372         return windows;
 373 }
 374
 375 EggToolbarsModel *ev_application_get_toolbars_model (EvApplication *application)
 376 {
 377         return application->toolbars_model;
 378 }
 379
 380 EggRecentModel *ev_application_get_recent_model (EvApplication *application)
 381 {
 382         return application->recent_model;
 383 }
 384
 385 void ev_application_save_toolbars_model (EvApplication *application)
 386 {
 387         egg_toolbars_model_save (application->toolbars_model,
 388                                  application->toolbars_file, "1.0");
 389 }
 390
 391 void ev_application_set_chooser_uri (EvApplication *application, gchar *uri)
 392 {
 393         g_free (application->last_chooser_uri);
 394         application->last_chooser_uri = g_strdup (uri);
 395 }
 396
 397 const gchar* ev_application_get_chooser_uri (EvApplication *application)
 398 {
 399         return application->last_chooser_uri;
 400 }
 401