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-file-helpers.h"
  30 #include "ev-document-factory.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         return TRUE;
 189 }
 190
 191 static EvWindow *
 192 ev_application_get_empty_window (EvApplication *application)
 193 {
 194         EvWindow *empty_window = NULL;
 195         GList *windows = ev_application_get_windows (application);
 196         GList *l;
 197
 198         for (l = windows; l != NULL; l = l->next) {
 199                 EvWindow *window = EV_WINDOW (l->data);
 200
 201                 if (ev_window_is_empty (window)) {
 202                         empty_window = window;
 203                         break;
 204                 }
 205         }
 206
 207         g_list_free (windows);
 208
 209         return empty_window;
 210 }
 211
 212 static EvWindow *
 213 ev_application_get_uri_window (EvApplication *application, const char *uri)
 214 {
 215         EvWindow *uri_window = NULL;
 216         GList *windows = gtk_window_list_toplevels ();
 217         GList *l;
 218
 219         g_return_val_if_fail (uri != NULL, NULL);
 220
 221         for (l = windows; l != NULL; l = l->next) {
 222                 if (EV_IS_WINDOW (l->data)) {
 223                         EvWindow *window = EV_WINDOW (l->data);
 224                         const char *window_uri = ev_window_get_uri (window);
 225
 226                         if (window_uri && strcmp (window_uri, uri) == 0 && !ev_window_is_empty (window)) {
 227                                 uri_window = window;
 228                                 break;
 229                         }
 230                 }
 231         }
 232
 233         g_list_free (windows);
 234
 235         return uri_window;
 236 }
 237
 238 void
 239 ev_application_open_uri_at_dest (EvApplication  *application,
 240                                  const char     *uri,
 241                                  EvLinkDest     *dest,
 242                                  guint           timestamp)
 243 {
 244         EvWindow *new_window;
 245
 246         g_return_if_fail (uri != NULL);
 247
 248         new_window = ev_application_get_uri_window (application, uri);
 249         if (new_window != NULL) {
 250 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 251                 gtk_window_present_with_time (GTK_WINDOW (new_window),
 252                                               timestamp);
 253 #else
 254                 gtk_window_present (GTK_WINDOW (new_window));
 255 #endif
 256                 if (dest)
 257                         ev_window_goto_dest (new_window, dest);
 258
 259                 return;
 260         }
 261
 262         new_window = ev_application_get_empty_window (application);
 263
 264         if (new_window == NULL) {
 265                 new_window = EV_WINDOW (ev_window_new ());
 266         }
 267
 268         /* We need to load uri before showing the window, so
 269            we can restore window size without flickering */
 270         ev_window_open_uri (new_window, uri, dest);
 271
 272         gtk_widget_show (GTK_WIDGET (new_window));
 273
 274 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 275         gtk_window_present_with_time (GTK_WINDOW (new_window),
 276                                       timestamp);
 277 #else
 278         gtk_window_present (GTK_WINDOW (new_window));
 279 #endif
 280 }
 281
 282 gboolean
 283 ev_application_open_uri (EvApplication  *application,
 284                          const char     *uri,
 285                          const char     *page_label,
 286                          guint           timestamp,
 287                          GError        **error)
 288 {
 289         ev_application_open_uri_at_dest (application, uri, NULL, timestamp);
 290
 291         if (page_label && strcmp (page_label, "") != 0) {
 292                 EvWindow *window;
 293
 294                 window = ev_application_get_uri_window (application, uri);
 295                 ev_window_open_page_label (window, page_label);
 296         }
 297
 298         return TRUE;
 299 }
 300
 301 void
 302 ev_application_open_uri_list (EvApplication *application,
 303                               GSList        *uri_list,
 304                               guint          timestamp)
 305 {
 306         GSList *l;
 307
 308         for (l = uri_list; l != NULL; l = l->next) {
 309                 ev_application_open_uri (application, (char *)l->data,
 310                                          NULL, timestamp, NULL);
 311         }
 312 }
 313
 314 void
 315 ev_application_shutdown (EvApplication *application)
 316 {
 317         if (application->toolbars_model) {
 318                 g_object_unref (application->toolbars_model);
 319                 g_free (application->toolbars_file);
 320                 application->toolbars_model = NULL;
 321                 application->toolbars_file = NULL;
 322         }
 323
 324         if (application->recent_model) {
 325                 g_object_unref (application->recent_model);
 326                 application->recent_model = NULL;
 327         }
 328
 329         g_free (application->last_chooser_uri);
 330         g_object_unref (application);
 331
 332         gtk_main_quit ();
 333 }
 334
 335 static void
 336 ev_application_class_init (EvApplicationClass *ev_application_class)
 337 {
 338 }
 339
 340 static void
 341 ev_application_init (EvApplication *ev_application)
 342 {
 343         init_session (ev_application);
 344
 345         ev_application->toolbars_model = egg_toolbars_model_new ();
 346
 347         ev_application->toolbars_file = g_build_filename
 348                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 349
 350         if (!egg_toolbars_model_load (ev_application->toolbars_model,
 351                                       ev_application->toolbars_file)) {
 352                 egg_toolbars_model_load (ev_application->toolbars_model,
 353                                          DATADIR"/evince-toolbar.xml");
 354         }
 355
 356         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 357                                       EGG_TB_MODEL_NOT_REMOVABLE);
 358
 359         ev_application->recent_model = egg_recent_model_new (EGG_RECENT_MODEL_SORT_MRU);
 360         /* FIXME we should add a mime type filter but current eggrecent
 361            has only a varargs style api which does not work well when
 362            the list of mime types is dynamic */
 363         egg_recent_model_set_limit (ev_application->recent_model, 5);
 364         egg_recent_model_set_filter_groups (ev_application->recent_model,
 365                                             "Evince", NULL);
 366 }
 367
 368 GList *
 369 ev_application_get_windows (EvApplication *application)
 370 {
 371         GList *l, *toplevels;
 372         GList *windows = NULL;
 373
 374         toplevels = gtk_window_list_toplevels ();
 375
 376         for (l = toplevels; l != NULL; l = l->next) {
 377                 if (EV_IS_WINDOW (l->data)) {
 378                         windows = g_list_append (windows, l->data);
 379                 }
 380         }
 381
 382         g_list_free (toplevels);
 383
 384         return windows;
 385 }
 386
 387 EggToolbarsModel *ev_application_get_toolbars_model (EvApplication *application)
 388 {
 389         return application->toolbars_model;
 390 }
 391
 392 EggRecentModel *ev_application_get_recent_model (EvApplication *application)
 393 {
 394         return application->recent_model;
 395 }
 396
 397 void ev_application_save_toolbars_model (EvApplication *application)
 398 {
 399         egg_toolbars_model_save (application->toolbars_model,
 400                                  application->toolbars_file, "1.0");
 401 }
 402
 403 void ev_application_set_chooser_uri (EvApplication *application, const gchar *uri)
 404 {
 405         g_free (application->last_chooser_uri);
 406         application->last_chooser_uri = g_strdup (uri);
 407 }
 408
 409 const gchar* ev_application_get_chooser_uri (EvApplication *application)
 410 {
 411         return application->last_chooser_uri;
 412 }
 413