git.maemo.org Git - drnoksnes/blob - gui/state.c

   1 /*
   2 * This file is part of DrNokSnes
   3 *
   4 * Copyright (C) 2005 INdT - Instituto Nokia de Tecnologia
   5 * http://www.indt.org/maemo
   6 * Copyright (C) 2009 Javier S. Pedro <maemo@javispedro.com>
   7 *
   8 * This software is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU Lesser General Public License
  10 * as published by the Free Software Foundation; either version 2.1 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This software 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 * Lesser General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU Lesser General Public
  19 * License along with this software; if not, write to the Free Software
  20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  21 * 02110-1301 USA
  22 *
  23 */
  24
  25 #include <string.h>
  26 #include <dbus/dbus.h>
  27 #include <glib.h>
  28
  29 #include "plugin.h"
  30
  31 #define FRZ_FILE_EXT ".frz.gz"
  32
  33 static gchar * cur_frz_file = NULL;
  34
  35 static gboolean rom_get_freeze_file()
  36 {
  37         char * ext = strrchr(current_rom_file, '.');
  38         char * rom_base;
  39         char * frz_file;
  40         gboolean rom_exists, frz_exists;
  41
  42         if (cur_frz_file) g_free(cur_frz_file);
  43
  44         if (!ext) {
  45                 rom_base = g_strdup(current_rom_file);
  46         } else {
  47                 rom_base = g_strndup(current_rom_file, ext - current_rom_file);
  48         }
  49         rom_exists = g_file_test(current_rom_file,
  50                         G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR);
  51
  52         frz_file = g_strconcat(rom_base, FRZ_FILE_EXT);
  53         frz_exists =
  54                 g_file_test(frz_file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR);
  55
  56         g_free(rom_base);
  57
  58         if (rom_exists & frz_exists) {
  59                 cur_frz_file = frz_file;
  60         } else {
  61                 cur_frz_file = NULL;
  62                 g_free(frz_file);
  63         }
  64
  65         return rom_exists && frz_exists;
  66 }
  67
  68 // More uglyness. If you know a better way to do this please tell.
  69 void game_state_update()
  70 {
  71         DBusError err;
  72         DBusConnection* bus;
  73         DBusMessage* m;
  74         const char * m_name;
  75         gboolean has_freeze = rom_get_freeze_file();
  76
  77         if (has_freeze) {
  78                 m_name = "game_pause";
  79         } else {
  80                 m_name = "game_close";
  81         }
  82
  83         dbus_error_init(&err);
  84
  85         bus = dbus_bus_get(DBUS_BUS_SESSION, &err);
  86         if (dbus_error_is_set(&err)) {
  87                 dbus_error_free(&err);
  88                 return;
  89         }
  90
  91         m = dbus_message_new_method_call("com.javispedro.drnoksnes.startup",
  92                                                                                 "/com/javispedro/drnoksnes/startup",
  93                                                                                 "com.javispedro.drnoksnes.startup",
  94                                                                                 m_name);
  95
  96         dbus_connection_send(bus, m, NULL);
  97         dbus_connection_flush(bus);
  98
  99         dbus_message_unref(m);
 100 }
 101
 102 void game_state_clear()
 103 {
 104         if (cur_frz_file) {
 105                 g_free(cur_frz_file);
 106                 cur_frz_file = NULL;
 107         }
 108 }
 109
 110 gboolean game_state_is_paused()
 111 {
 112         return cur_frz_file ? TRUE : FALSE;
 113 }
 114
 115 const gchar * game_state_get_frz_file()
 116 {
 117         return cur_frz_file;
 118 }
 119