shell/main.c

   1 /*
   2  *  Copyright (C) 2004 Marco Pesenti Gritti
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2, or (at your option)
   7  *  any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  *
  18  *  $Id$
  19  */
  20
  21 #include "config.h"
  22
  23 #include "ev-application.h"
  24 #include "ev-metadata-manager.h"
  25
  26 #include <glib/gi18n.h>
  27 #include <gdk/gdkx.h>
  28 #include <gtk/gtkmain.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <libgnome/gnome-program.h>
  32 #include <libgnomeui/gnome-ui-init.h>
  33 #include <libgnomeui/gnome-app-helper.h>
  34 #include <libgnomeui/gnome-authentication-manager.h>
  35 #include <libgnomevfs/gnome-vfs-utils.h>
  36
  37 #ifdef ENABLE_DBUS
  38 #include <dbus/dbus-glib-bindings.h>
  39 #endif
  40
  41 #include "ev-stock-icons.h"
  42 #include "ev-debug.h"
  43 #include "ev-job-queue.h"
  44 #include "ev-file-helpers.h"
  45
  46 static char *ev_page_label;
  47
  48 static struct poptOption popt_options[] =
  49 {
  50         { "page-label", 'p', POPT_ARG_STRING, &ev_page_label, 0, N_("The page of the document to display."), N_("PAGE")},
  51         { NULL, 0, 0, NULL, 0, NULL, NULL }
  52 };
  53
  54 static void
  55 load_files (const char **files)
  56 {
  57         int i;
  58
  59         if (!files) {
  60                 ev_application_open_window (EV_APP, GDK_CURRENT_TIME, NULL);
  61                 return;
  62         }
  63
  64         for (i = 0; files[i]; i++) {
  65                 char *uri;
  66
  67                 uri = gnome_vfs_make_uri_from_shell_arg (files[i]);
  68                 ev_application_open_uri (EV_APP, uri, ev_page_label,
  69                                          GDK_CURRENT_TIME, NULL);
  70                 g_free (uri);
  71         }
  72 }
  73
  74 #ifdef ENABLE_DBUS
  75
  76 #ifndef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
  77 static guint32
  78 get_startup_time (void)
  79 {
  80         const char *envvar, *timestamp;
  81         unsigned long value;
  82         char *end;
  83
  84         envvar = getenv ("DESKTOP_STARTUP_ID");
  85
  86         if (envvar == NULL)
  87                 return 0;
  88
  89 /* DESKTOP_STARTUP_ID is of form "<unique>_TIME<timestamp>".
  90  *
  91  * <unique> might contain a T but <timestamp> is an integer.  As such,
  92  * the last 'T' in the string must be the start of "TIME".
  93  */
  94         timestamp = rindex (envvar, 'T');
  95
  96 /* Maybe the word "TIME" was not found... */
  97         if (timestamp == NULL || strncmp (timestamp, "TIME", 4))
  98                 return 0;
  99
 100         timestamp += 4;
 101
 102 /* strtoul sets errno = ERANGE on overflow, but it is not specified
 103  * if it sets it to 0 on success.  Doing so ourselves is the only
 104  * way to know for sure.
 105  */
 106         errno = 0;
 107         value = strtoul (timestamp, &end, 10);
 108
 109 /* unsigned long might be 64bit, so double-check! */
 110         if (errno != 0 || *end != '\0' || value > G_MAXINT32)
 111                 return 0;
 112
 113         return value;
 114 }
 115 #endif
 116
 117 static gboolean
 118 load_files_remote (const char **files)
 119 {
 120         int i;
 121         GError *error = NULL;
 122         DBusGConnection *connection;
 123         gboolean result = FALSE;
 124 #if DBUS_VERSION < 35
 125         DBusGPendingCall *call;
 126 #endif
 127         DBusGProxy *remote_object;
 128 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 129         GdkDisplay *display;
 130 #endif
 131         guint32 timestamp;
 132
 133 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 134         display = gdk_display_get_default();
 135         timestamp = gdk_x11_display_get_user_time (display);
 136 #else
 137         /* Fake it for GTK+2.6 */
 138         timestamp = get_startup_time ();
 139 #endif
 140         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error);
 141         if (connection == NULL) {
 142                 g_warning (error->message);
 143                 g_error_free (error);
 144
 145                 return FALSE;
 146         }
 147
 148         remote_object = dbus_g_proxy_new_for_name (connection,
 149                                                    "org.gnome.evince.ApplicationService",
 150                                                    "/org/gnome/evince/Evince",
 151                                                    "org.gnome.evince.Application");
 152         if (!files) {
 153 #if DBUS_VERSION <= 33
 154                 call = dbus_g_proxy_begin_call (remote_object, "OpenWindow",
 155                                                 DBUS_TYPE_UINT32, &timestamp,
 156                                                 DBUS_TYPE_INVALID);
 157
 158                 if (!dbus_g_proxy_end_call (remote_object, call, &error, DBUS_TYPE_INVALID)) {
 159                         g_warning (error->message);
 160                         g_clear_error (&error);
 161                         g_object_unref (remote_object);
 162                         dbus_g_connection_unref (connection);
 163                         return FALSE;
 164                 }
 165 #elif DBUS_VERSION == 34
 166                 call = dbus_g_proxy_begin_call (remote_object, "OpenWindow",
 167                                                 G_TYPE_UINT, timestamp,
 168                                                 G_TYPE_INVALID);
 169
 170                 if (!dbus_g_proxy_end_call (remote_object, call, &error, G_TYPE_INVALID)) {
 171                         g_warning (error->message);
 172                         g_clear_error (&error);
 173                         g_object_unref (remote_object);
 174                         dbus_g_connection_unref (connection);
 175                         return FALSE;
 176                 }
 177 #else
 178                 if (!dbus_g_proxy_call (remote_object, "OpenWindow", &error,
 179                                         G_TYPE_UINT, timestamp,
 180                                         G_TYPE_INVALID,
 181                                         G_TYPE_INVALID)) {
 182                         g_warning (error->message);
 183                         g_clear_error (&error);
 184                         g_object_unref (remote_object);
 185                         dbus_g_connection_unref (connection);
 186                         return FALSE;
 187                 }
 188 #endif
 189                 g_object_unref (remote_object);
 190                 dbus_g_connection_unref (connection);
 191
 192                 return TRUE;
 193         }
 194
 195         for (i = 0; files[i]; i++) {
 196                 const char *page_label;
 197                 char *uri;
 198
 199                 uri = gnome_vfs_make_uri_from_shell_arg (files[i]);
 200                 page_label = ev_page_label ? ev_page_label : "";
 201 #if DBUS_VERSION <= 33
 202                 call = dbus_g_proxy_begin_call (remote_object, "OpenURI",
 203                                                 DBUS_TYPE_STRING, &uri,
 204                                                 DBUS_TYPE_STRING, &page_label,
 205                                                 DBUS_TYPE_UINT32, &timestamp,
 206                                                 DBUS_TYPE_INVALID);
 207
 208                 if (!dbus_g_proxy_end_call (remote_object, call, &error, DBUS_TYPE_INVALID)) {
 209                         g_warning (error->message);
 210                         g_clear_error (&error);
 211                         g_free (uri);
 212                         continue;
 213                 }
 214 #elif DBUS_VERSION == 34
 215                 call = dbus_g_proxy_begin_call (remote_object, "OpenURI",
 216                                                 G_TYPE_STRING, uri,
 217                                                 G_TYPE_STRING, page_label,
 218                                                 G_TYPE_UINT, timestamp,
 219                                                 G_TYPE_INVALID);
 220
 221                 if (!dbus_g_proxy_end_call (remote_object, call, &error, G_TYPE_INVALID)) {
 222                         g_warning (error->message);
 223                         g_clear_error (&error);
 224                         g_free (uri);
 225                         continue;
 226                 }
 227 #else
 228                 if (!dbus_g_proxy_call (remote_object, "OpenURI", &error,
 229                                         G_TYPE_STRING, uri,
 230                                         G_TYPE_STRING, page_label,
 231                                         G_TYPE_UINT, timestamp,
 232                                         G_TYPE_INVALID,
 233                                         G_TYPE_INVALID)) {
 234                         g_warning (error->message);
 235                         g_clear_error (&error);
 236                         g_free (uri);
 237                         continue;
 238                 }
 239 #endif
 240                 g_free (uri);
 241                 result = TRUE;
 242         }
 243
 244         g_object_unref (remote_object);
 245         dbus_g_connection_unref (connection);
 246
 247         gdk_notify_startup_complete ();
 248
 249         return result;
 250 }
 251 #endif /* ENABLE_DBUS */
 252
 253 int
 254 main (int argc, char *argv[])
 255 {
 256         gboolean enable_metadata = FALSE;
 257         poptContext context;
 258         GValue context_as_value = { 0 };
 259         GnomeProgram *program;
 260
 261 #ifdef ENABLE_NLS
 262         /* Initialize the i18n stuff */
 263         bindtextdomain(GETTEXT_PACKAGE, GNOMELOCALEDIR);
 264         bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 265         textdomain(GETTEXT_PACKAGE);
 266 #endif
 267
 268         program = gnome_program_init (PACKAGE, VERSION,
 269                                       LIBGNOMEUI_MODULE, argc, argv,
 270                                       GNOME_PARAM_POPT_TABLE, popt_options,
 271                                       GNOME_PARAM_HUMAN_READABLE_NAME, _("Evince"),
 272                                       GNOME_PARAM_APP_DATADIR, GNOMEDATADIR,
 273                                       NULL);
 274         g_object_get_property (G_OBJECT (program),
 275                                GNOME_PARAM_POPT_CONTEXT,
 276                                g_value_init (&context_as_value, G_TYPE_POINTER));
 277         context = g_value_get_pointer (&context_as_value);
 278
 279
 280 #ifdef ENABLE_DBUS
 281         if (!ev_application_register_service (EV_APP)) {
 282                 if (load_files_remote (poptGetArgs (context))) {
 283                         return 0;
 284                 }
 285         } else {
 286                 enable_metadata = TRUE;
 287         }
 288 #endif
 289
 290         gnome_authentication_manager_init ();
 291
 292
 293         if (enable_metadata) {
 294                 ev_metadata_manager_init ();
 295         }
 296
 297         ev_job_queue_init ();
 298         g_set_application_name (_("Evince Document Viewer"));
 299
 300         ev_file_helpers_init ();
 301         ev_debug_init ();
 302         ev_stock_icons_init ();
 303         gtk_window_set_default_icon_name ("evince");
 304
 305         load_files (poptGetArgs (context));
 306
 307         gtk_main ();
 308
 309         gnome_accelerators_sync ();
 310         poptFreeContext (context);
 311         ev_file_helpers_shutdown ();
 312
 313         if (enable_metadata) {
 314                 ev_metadata_manager_shutdown ();
 315         }
 316
 317         return 0;
 318 }