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/* Swfdec
* Copyright (C) 2007 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <locale.h>
#include <string.h>
#include <time.h>
#include <gtk/gtk.h>
#include "swfdec_gtk_system.h"
struct _SwfdecGtkSystemPrivate
{
GdkScreen * screen; /* the screen we monitor */
};
/*** gtk-doc ***/
/**
* SECTION:SwfdecGtkSystem
* @title: SwfdecGtkSystem
* @short_description: an improved #SwfdecSystem
*
* The #SwfdecGtkSystem automatically determines system values queriable by the
* Flash player.
*
* @see_also: SwfdecSystem
*/
/**
* SwfdecGtkSystem:
*
* The structure for the Swfdec Gtk system contains no public fields.
*/
/*** SWFDEC_GTK_SYSTEM ***/
G_DEFINE_TYPE (SwfdecGtkSystem, swfdec_gtk_system, SWFDEC_TYPE_SYSTEM)
static void
swfdec_gtk_system_dispose (GObject *object)
{
SwfdecGtkSystem *system = SWFDEC_GTK_SYSTEM (object);
g_object_unref (system->priv->screen);
G_OBJECT_CLASS (swfdec_gtk_system_parent_class)->dispose (object);
}
static void
swfdec_gtk_system_class_init (SwfdecGtkSystemClass * g_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (g_class);
g_type_class_add_private (g_class, sizeof (SwfdecGtkSystemPrivate));
object_class->dispose = swfdec_gtk_system_dispose;
}
static void
swfdec_gtk_system_init (SwfdecGtkSystem * system)
{
system->priv = G_TYPE_INSTANCE_GET_PRIVATE (system, SWFDEC_TYPE_GTK_SYSTEM, SwfdecGtkSystemPrivate);
}
/*** DETERMINING THE VALUES ***/
static char *
swfdec_gtk_system_get_language (void)
{
/* we use LC_MESSAGES here, because we want the display language. See
* documentation for System.capabilities.language
*/
char *locale = setlocale (LC_MESSAGES, NULL);
char *lang;
if (locale == NULL)
return g_strdup ("en");
/* "POSIX" and "C" => "en" */
if (g_str_equal (locale, "C") || g_str_equal (locale, "POSIX"))
return g_strdup ("en");
/* special case chinese */
if (g_str_has_prefix (locale, "zh_")) {
lang = g_strndup (locale, strcspn (locale, ".@"));
lang[2] = '-';
return lang;
}
/* get language part */
return g_strndup (locale, strcspn (locale, "_.@"));
}
static int
swfdec_gtk_system_get_utc_offset (void)
{
#if HAVE_TIMEZONE
time_t t = time (NULL);
return localtime (&t)->tm_gmtoff / 60;
#else
return 0;
#endif
}
/*** PUBLIC API ***/
/**
* swfdec_gtk_system_new:
* @screen: the GdkScreen to take information from or %NULL for the default
*
* Creates a new #SwfdecGtkSystem object.
*
* Returns: The new object
**/
SwfdecSystem *
swfdec_gtk_system_new (GdkScreen *screen)
{
SwfdecSystem *system;
char *lang;
guint dpi;
if (screen == NULL)
screen = gdk_screen_get_default ();
g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
lang = swfdec_gtk_system_get_language ();
if (gdk_screen_get_resolution (screen) > 0)
dpi = gdk_screen_get_resolution (screen);
else
dpi = 96;
system = g_object_new (SWFDEC_TYPE_GTK_SYSTEM,
"language", lang, "utc-offset", swfdec_gtk_system_get_utc_offset (),
"dpi", dpi, "screen-height", gdk_screen_get_height (screen),
"screen-width", gdk_screen_get_width (screen),
"pixel-aspect-ratio", (double) gdk_screen_get_width (screen) * gdk_screen_get_height_mm (screen)
/ (gdk_screen_get_width_mm (screen) * gdk_screen_get_height (screen)),
NULL);
SWFDEC_GTK_SYSTEM (system)->priv->screen = g_object_ref (screen);
g_free (lang);
return system;
}
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