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 <libgnome/gnome-program.h>
  30 #include <libgnomeui/gnome-ui-init.h>
  31 #include <libgnomeui/gnome-app-helper.h>
  32 #include <libgnomeui/gnome-authentication-manager.h>
  33 #include <libgnomevfs/gnome-vfs-utils.h>
  34
  35 #ifdef ENABLE_DBUS
  36 #include <dbus/dbus-glib-bindings.h>
  37 #endif
  38
  39 #include "ev-stock-icons.h"
  40 #include "ev-debug.h"
  41 #include "ev-job-queue.h"
  42 #include "ev-file-helpers.h"
  43
  44 static char *ev_page_label;
  45
  46 static struct poptOption popt_options[] =
  47 {
  48         { "page-label", 'p', POPT_ARG_STRING, &ev_page_label, 0, N_("The page of the document to display."), N_("PAGE")},
  49         { NULL, 0, 0, NULL, 0, NULL, NULL }
  50 };
  51
  52 static void
  53 load_files (const char **files)
  54 {
  55         int i;
  56
  57         if (!files) {
  58                 ev_application_open_window (EV_APP, GDK_CURRENT_TIME, NULL);
  59                 return;
  60         }
  61
  62         for (i = 0; files[i]; i++) {
  63                 char *uri;
  64
  65                 uri = gnome_vfs_make_uri_from_shell_arg (files[i]);
  66                 ev_application_open_uri (EV_APP, uri, ev_page_label,
  67                                          GDK_CURRENT_TIME, NULL);
  68                 g_free (uri);
  69         }
  70 }
  71
  72 #ifdef ENABLE_DBUS
  73
  74 #ifndef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
  75 static guint32
  76 get_startup_time (void)
  77 {
  78         const char *envvar, *timestamp;
  79         unsigned long value;
  80         char *end;
  81
  82         envvar = getenv ("DESKTOP_STARTUP_ID");
  83
  84         if (envvar == NULL)
  85                 return 0;
  86
  87 /* DESKTOP_STARTUP_ID is of form "<unique>_TIME<timestamp>".
  88  *
  89  * <unique> might contain a T but <timestamp> is an integer.  As such,
  90  * the last 'T' in the string must be the start of "TIME".
  91  */
  92         timestamp = rindex (envvar, 'T');
  93
  94 /* Maybe the word "TIME" was not found... */
  95         if (timestamp == NULL || strncmp (timestamp, "TIME", 4))
  96                 return 0;
  97
  98         timestamp += 4;
  99
 100 /* strtoul sets errno = ERANGE on overflow, but it is not specified
 101  * if it sets it to 0 on success.  Doing so ourselves is the only
 102  * way to know for sure.
 103  */
 104         errno = 0;
 105         value = strtoul (timestamp, &end, 10);
 106
 107 /* unsigned long might be 64bit, so double-check! */
 108         if (errno != 0 || *end != '\0' || value > G_MAXINT32)
 109                 return 0;
 110
 111         return value;
 112 }
 113 #endif
 114
 115 static gboolean
 116 load_files_remote (const char **files)
 117 {
 118         int i;
 119         GError *error = NULL;
 120         DBusGConnection *connection;
 121         gboolean result = FALSE;
 122 #if DBUS_VERSION < 35
 123         DBusGPendingCall *call;
 124 #endif
 125         DBusGProxy *remote_object;
 126         GdkDisplay *display;
 127         guint32 timestamp;
 128
 129 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 130         display = gdk_display_get_default();
 131         timestamp = gdk_x11_display_get_user_time (display);
 132 #else
 133         /* Fake it for GTK+2.6 */
 134         timestamp = get_startup_time ();
 135 #endif
 136         connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
 137         if (connection == NULL) {
 138                 g_warning (error->message);
 139                 g_error_free (error);
 140
 141                 return FALSE;
 142         }
 143
 144         remote_object = dbus_g_proxy_new_for_name (connection,
 145                                                    "org.gnome.evince.ApplicationService",
 146                                                    "/org/gnome/evince/Evince",
 147                                                    "org.gnome.evince.Application");
 148         if (!files) {
 149 #if DBUS_VERSION <= 33
 150                 call = dbus_g_proxy_begin_call (remote_object, "OpenWindow",
 151                                                 DBUS_TYPE_UINT32, timestamp,
 152                                                 DBUS_TYPE_INVALID);
 153
 154                 if (!dbus_g_proxy_end_call (remote_object, call, &error, DBUS_TYPE_INVALID)) {
 155                         g_warning (error->message);
 156                         g_clear_error (&error);
 157                         return FALSE;
 158                 }
 159 #elif DBUS_VERSION == 34
 160                 call = dbus_g_proxy_begin_call (remote_object, "OpenWindow",
 161                                                 G_TYPE_UINT, timestamp,
 162                                                 G_TYPE_INVALID);
 163
 164                 if (!dbus_g_proxy_end_call (remote_object, call, &error, G_TYPE_INVALID)) {
 165                         g_warning (error->message);
 166                         g_clear_error (&error);
 167                         return FALSE;
 168                 }
 169 #else
 170                 if (!dbus_g_proxy_call (remote_object, "OpenWindow", &error,
 171                                         G_TYPE_UINT, timestamp,
 172                                         G_TYPE_INVALID,
 173                                         G_TYPE_INVALID)) {
 174                         g_warning (error->message);
 175                         g_clear_error (&error);
 176                         return FALSE;
 177                 }
 178 #endif
 179                 return TRUE;
 180         }
 181
 182         for (i = 0; files[i]; i++) {
 183                 const char *page_label;
 184                 char *uri;
 185
 186                 uri = gnome_vfs_make_uri_from_shell_arg (files[i]);
 187                 page_label = ev_page_label ? ev_page_label : "";
 188 #if DBUS_VERSION <= 33
 189                 call = dbus_g_proxy_begin_call (remote_object, "OpenURI",
 190                                                 DBUS_TYPE_STRING, &uri,
 191                                                 DBUS_TYPE_STRING, &page_label,
 192                                                 DBUS_TYPE_UINT32, timestamp,
 193                                                 DBUS_TYPE_INVALID);
 194
 195                 if (!dbus_g_proxy_end_call (remote_object, call, &error, DBUS_TYPE_INVALID)) {
 196                         g_warning (error->message);
 197                         g_clear_error (&error);
 198                         g_free (uri);
 199                         continue;
 200                 }
 201 #elif DBUS_VERSION == 34
 202                 call = dbus_g_proxy_begin_call (remote_object, "OpenURI",
 203                                                 G_TYPE_STRING, uri,
 204                                                 G_TYPE_STRING, page_label,
 205                                                 G_TYPE_UINT, timestamp,
 206                                                 G_TYPE_INVALID);
 207
 208                 if (!dbus_g_proxy_end_call (remote_object, call, &error, G_TYPE_INVALID)) {
 209                         g_warning (error->message);
 210                         g_clear_error (&error);
 211                         g_free (uri);
 212                         continue;
 213                 }
 214 #else
 215                 if (!dbus_g_proxy_call (remote_object, "OpenURI", &error,
 216                                         G_TYPE_STRING, uri,
 217                                         G_TYPE_STRING, page_label,
 218                                         G_TYPE_UINT, timestamp,
 219                                         G_TYPE_INVALID,
 220                                         G_TYPE_INVALID)) {
 221                         g_warning (error->message);
 222                         g_clear_error (&error);
 223                         g_free (uri);
 224                         continue;
 225                 }
 226 #endif
 227                 g_free (uri);
 228                 result = TRUE;
 229         }
 230
 231         gdk_notify_startup_complete ();
 232
 233         return result;
 234 }
 235 #endif /* ENABLE_DBUS */
 236
 237 int
 238 main (int argc, char *argv[])
 239 {
 240         gboolean enable_metadata = FALSE;
 241         poptContext context;
 242         GValue context_as_value = { 0 };
 243         GnomeProgram *program;
 244
 245 #ifdef ENABLE_NLS
 246         /* Initialize the i18n stuff */
 247         bindtextdomain(GETTEXT_PACKAGE, GNOMELOCALEDIR);
 248         bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 249         textdomain(GETTEXT_PACKAGE);
 250 #endif
 251
 252         program = gnome_program_init (PACKAGE, VERSION,
 253                                       LIBGNOMEUI_MODULE, argc, argv,
 254                                       GNOME_PARAM_POPT_TABLE, popt_options,
 255                                       GNOME_PARAM_HUMAN_READABLE_NAME, _("Evince"),
 256                                       GNOME_PARAM_APP_DATADIR, GNOMEDATADIR,
 257                                       NULL);
 258         g_object_get_property (G_OBJECT (program),
 259                                GNOME_PARAM_POPT_CONTEXT,
 260                                g_value_init (&context_as_value, G_TYPE_POINTER));
 261         context = g_value_get_pointer (&context_as_value);
 262
 263
 264 #ifdef ENABLE_DBUS
 265         if (!ev_application_register_service (EV_APP)) {
 266                 if (load_files_remote (poptGetArgs (context))) {
 267                         return 0;
 268                 }
 269         } else {
 270                 enable_metadata = TRUE;
 271         }
 272 #endif
 273
 274         gnome_authentication_manager_init ();
 275
 276
 277         if (enable_metadata) {
 278                 ev_metadata_manager_init ();
 279         }
 280
 281         ev_job_queue_init ();
 282         g_set_application_name (_("Evince Document Viewer"));
 283
 284         ev_file_helpers_init ();
 285         ev_debug_init ();
 286         ev_stock_icons_init ();
 287         gtk_window_set_default_icon_name ("postscript-viewer");
 288
 289         load_files (poptGetArgs (context));
 290
 291         gtk_main ();
 292
 293         gnome_accelerators_sync ();
 294         poptFreeContext (context);
 295         ev_file_helpers_shutdown ();
 296
 297         if (enable_metadata) {
 298                 ev_metadata_manager_shutdown ();
 299         }
 300
 301         return 0;
 302 }