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 (!org_freedesktop_DBus_request_name (driver_proxy,
  77                                                 APPLICATION_SERVICE_NAME,
  78                                                 0, &request_name_result, &err)) {
  79                 g_warning ("Service registration failed.");
  80                 g_clear_error (&err);
  81         }
  82
  83         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
  84                 return FALSE;
  85         }
  86
  87 #if DBUS_VERSION == 33
  88         dbus_g_object_class_install_info (G_OBJECT_GET_CLASS (application),
  89                                           &dbus_glib_ev_application_object_info);
  90 #else
  91         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
  92                                          &dbus_glib_ev_application_object_info);
  93 #endif
  94
  95         dbus_g_connection_register_g_object (connection,
  96                                              "/org/gnome/evince/Evince",
  97                                              G_OBJECT (application));
  98
  99         return TRUE;
 100 }
 101 #endif /* ENABLE_DBUS */
 102
 103 EvApplication *
 104 ev_application_get_instance (void)
 105 {
 106         static EvApplication *instance;
 107
 108         if (!instance) {
 109                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 110         }
 111
 112         return instance;
 113 }
 114
 115 static void
 116 removed_from_session (GnomeClient *client, EvApplication *application)
 117 {
 118         ev_application_shutdown (application);
 119 }
 120
 121 static gint
 122 save_session (GnomeClient *client, gint phase, GnomeSaveStyle save_style, gint shutdown,
 123               GnomeInteractStyle interact_style, gint fast, EvApplication *application)
 124 {
 125         GList *windows, *l;
 126         char **restart_argv;
 127         int argc = 0, k;
 128
 129         windows = ev_application_get_windows (application);
 130         restart_argv = g_new (char *, g_list_length (windows) + 1);
 131         restart_argv[argc++] = g_strdup ("evince");
 132
 133         for (l = windows; l != NULL; l = l->next) {
 134                 EvWindow *window = EV_WINDOW (l->data);
 135                 restart_argv[argc++] = g_strdup (ev_window_get_uri (window));
 136         }
 137
 138         gnome_client_set_restart_command (client, argc, restart_argv);
 139
 140         for (k = 0; k < argc; k++) {
 141                 g_free (restart_argv[k]);
 142         }
 143
 144         g_list_free (windows);
 145         g_free (restart_argv);
 146
 147         return TRUE;
 148 }
 149
 150 static void
 151 init_session (EvApplication *application)
 152 {
 153         GnomeClient *client;
 154
 155         client = gnome_master_client ();
 156
 157         g_signal_connect (client, "save_yourself",
 158                           G_CALLBACK (save_session), application);
 159         g_signal_connect (client, "die",
 160                           G_CALLBACK (removed_from_session), application);
 161 }
 162
 163 gboolean
 164 ev_application_open_window (EvApplication  *application,
 165                             guint32         timestamp,
 166                             GError        **error)
 167 {
 168         GtkWidget *new_window = ev_window_new ();
 169
 170         gtk_widget_show (new_window);
 171
 172 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 173         gtk_window_present_with_time (GTK_WINDOW (new_window),
 174                                       timestamp);
 175 #else
 176         gtk_window_present (GTK_WINDOW (new_window));
 177 #endif
 178
 179         return TRUE;
 180 }
 181
 182 static EvWindow *
 183 ev_application_get_empty_window (EvApplication *application)
 184 {
 185         EvWindow *empty_window = NULL;
 186         GList *windows = ev_application_get_windows (application);
 187         GList *l;
 188
 189         for (l = windows; l != NULL; l = l->next) {
 190                 EvWindow *window = EV_WINDOW (l->data);
 191
 192                 if (ev_window_is_empty (window)) {
 193                         empty_window = window;
 194                         break;
 195                 }
 196         }
 197
 198         g_list_free (windows);
 199
 200         return empty_window;
 201 }
 202
 203 static EvWindow *
 204 ev_application_get_uri_window (EvApplication *application, const char *uri)
 205 {
 206         EvWindow *uri_window = NULL;
 207         GList *windows = gtk_window_list_toplevels ();
 208         GList *l;
 209
 210         g_return_val_if_fail (uri != NULL, NULL);
 211
 212         for (l = windows; l != NULL; l = l->next) {
 213                 if (EV_IS_WINDOW (l->data)) {
 214                         EvWindow *window = EV_WINDOW (l->data);
 215                         const char *window_uri = ev_window_get_uri (window);
 216
 217                         if (window_uri && strcmp (window_uri, uri) == 0 && !ev_window_is_empty (window)) {
 218                                 uri_window = window;
 219                                 break;
 220                         }
 221                 }
 222         }
 223
 224         g_list_free (windows);
 225
 226         return uri_window;
 227 }
 228
 229 gboolean
 230 ev_application_open_uri (EvApplication  *application,
 231                          const char     *uri,
 232                          const char     *page_label,
 233                          guint           timestamp,
 234                          GError        **error)
 235 {
 236         EvWindow *new_window;
 237
 238         g_return_val_if_fail (uri != NULL, FALSE);
 239
 240         new_window = ev_application_get_uri_window (application, uri);
 241         if (new_window != NULL) {
 242 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 243                 gtk_window_present_with_time (GTK_WINDOW (new_window),
 244                                               timestamp);
 245 #else
 246                 gtk_window_present (GTK_WINDOW (new_window));
 247 #endif
 248                 return TRUE;
 249         }
 250
 251         new_window = ev_application_get_empty_window (application);
 252
 253         if (new_window == NULL) {
 254                 new_window = EV_WINDOW (ev_window_new ());
 255         }
 256
 257         /* We need to load uri before showing the window, so
 258            we can restore window size without flickering */
 259         ev_window_open_uri (new_window, uri);
 260
 261         gtk_widget_show (GTK_WIDGET (new_window));
 262
 263 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 264         gtk_window_present_with_time (GTK_WINDOW (new_window),
 265                                       timestamp);
 266 #else
 267         gtk_window_present (GTK_WINDOW (new_window));
 268 #endif
 269
 270         if (page_label != NULL) {
 271                 ev_window_open_page_label (new_window, page_label);
 272         }
 273
 274         return TRUE;
 275 }
 276
 277 void
 278 ev_application_open_uri_list (EvApplication *application,
 279                               GSList        *uri_list,
 280                               guint          timestamp)
 281 {
 282         GSList *l;
 283
 284         for (l = uri_list; l != NULL; l = l->next) {
 285                 ev_application_open_uri (application, (char *)l->data,
 286                                          NULL,
 287                                          timestamp,
 288                                          NULL);
 289         }
 290 }
 291
 292 void
 293 ev_application_shutdown (EvApplication *application)
 294 {
 295         if (application->toolbars_model) {
 296                 g_object_unref (application->toolbars_model);
 297                 g_free (application->toolbars_file);
 298                 application->toolbars_model = NULL;
 299                 application->toolbars_file = NULL;
 300         }
 301
 302         if (application->recent_model) {
 303                 g_object_unref (application->recent_model);
 304                 application->recent_model = NULL;
 305         }
 306
 307         g_free (application->last_chooser_uri);
 308         g_object_unref (application);
 309
 310         gtk_main_quit ();
 311 }
 312
 313 static void
 314 ev_application_class_init (EvApplicationClass *ev_application_class)
 315 {
 316 }
 317
 318 static void
 319 ev_application_init (EvApplication *ev_application)
 320 {
 321         init_session (ev_application);
 322
 323         ev_application->toolbars_model = egg_toolbars_model_new ();
 324
 325         ev_application->toolbars_file = g_build_filename
 326                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 327
 328         if (!egg_toolbars_model_load (ev_application->toolbars_model,
 329                                       ev_application->toolbars_file)) {
 330                 egg_toolbars_model_load (ev_application->toolbars_model,
 331                                          DATADIR"/evince-toolbar.xml");
 332         }
 333
 334         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 335                                       EGG_TB_MODEL_NOT_REMOVABLE);
 336
 337         ev_application->recent_model = egg_recent_model_new (EGG_RECENT_MODEL_SORT_MRU);
 338         /* FIXME we should add a mime type filter but current eggrecent
 339            has only a varargs style api which does not work well when
 340            the list of mime types is dynamic */
 341         egg_recent_model_set_limit (ev_application->recent_model, 5);
 342         egg_recent_model_set_filter_groups (ev_application->recent_model,
 343                                             "Evince", NULL);
 344 }
 345
 346 GList *
 347 ev_application_get_windows (EvApplication *application)
 348 {
 349         GList *l, *toplevels;
 350         GList *windows = NULL;
 351
 352         toplevels = gtk_window_list_toplevels ();
 353
 354         for (l = toplevels; l != NULL; l = l->next) {
 355                 if (EV_IS_WINDOW (l->data)) {
 356                         windows = g_list_append (windows, l->data);
 357                 }
 358         }
 359
 360         g_list_free (toplevels);
 361
 362         return windows;
 363 }
 364
 365 EggToolbarsModel *ev_application_get_toolbars_model (EvApplication *application)
 366 {
 367         return application->toolbars_model;
 368 }
 369
 370 EggRecentModel *ev_application_get_recent_model (EvApplication *application)
 371 {
 372         return application->recent_model;
 373 }
 374
 375 void ev_application_save_toolbars_model (EvApplication *application)
 376 {
 377         egg_toolbars_model_save (application->toolbars_model,
 378                                  application->toolbars_file, "1.0");
 379 }
 380
 381 void ev_application_set_chooser_uri (EvApplication *application, gchar *uri)
 382 {
 383         g_free (application->last_chooser_uri);
 384         application->last_chooser_uri = g_strdup (uri);
 385 }
 386
 387 const gchar* ev_application_get_chooser_uri (EvApplication *application)
 388 {
 389         return application->last_chooser_uri;
 390 }
 391