/*
 * e-shell-meego.c
 *
 * This program 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 of the License, or (at your option) version 3.
 *
 * This program 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 the program; if not, see <http://www.gnu.org/licenses/>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * Inspired by mx's mx-application.c by
 *	Thomas Wood <thomas.wood@intel.com>,
 *	Chris Lord  <chris@linux.intel.com>
 */

#include <glib.h>
#include <e-shell-meego.h>

#ifndef G_OS_WIN32
#include <gdk/gdkx.h>
#include <X11/Xatom.h>
#endif

#ifdef G_OS_WIN32
void e_shell_detect_meego (gboolean *is_meego, gboolean *small_screen)
{
	*is_meego = *small_screen = FALSE;
}
#else
void e_shell_detect_meego (gboolean *is_meego, gboolean *small_screen)
{
	/* cannot compile on Fedora, disabling for now */
	*is_meego = *small_screen = FALSE;
	/*
	GdkAtom wm_win, mob_atom;
	Atom dummy_t;
	unsigned long dummy_l;
	int dummy_i;
	GdkScreen *screen;
	GdkDisplay *display;
	Window *wm_window_v = NULL;
	unsigned char *moblin_string = NULL;

	*is_meego = *small_screen = FALSE;

	if (!gdk_display_get_default ())
		return;

	wm_win = gdk_atom_intern ("_NET_SUPPORTING_WM_CHECK", TRUE);
	mob_atom = gdk_atom_intern ("_MOBLIN", TRUE);
	if (!wm_win || !mob_atom)
		return;

	display = gdk_display_get_default ();
	screen = gdk_display_get_default_screen (gdk_display_get_default());

	gdk_error_trap_push ();

	/* get the window manager's supporting window * /
	XGetWindowProperty (gdk_x11_display_get_xdisplay (display), 
			    GDK_WINDOW_XID (gdk_screen_get_root_window (screen)),
			    gdk_x11_atom_to_xatom_for_display (display, wm_win),
			    0, 1, False, XA_WINDOW, &dummy_t, &dummy_i,
			    &dummy_l, &dummy_l, (unsigned char **)(&wm_window_v));
	
	/* get the '_Moblin' setting * /
	if (wm_window_v && (*wm_window_v != None))
		XGetWindowProperty (gdk_x11_display_get_xdisplay (display), *wm_window_v,
				    gdk_x11_atom_to_xatom_for_display (display, mob_atom),
				    0, 8192, False, XA_STRING,
				    &dummy_t, &dummy_i, &dummy_l, &dummy_l,
				    &moblin_string);

	gdk_error_trap_pop ();

	if (moblin_string) {
		int i;
		char **props;

		g_warning ("prop '%s'", moblin_string);

		/* use meego theming tweaks * /
		*is_meego = TRUE;

		props = g_strsplit ((gchar *)moblin_string, ":", -1);
		for (i = 0; props && props[i]; i++) {
			char **pair = g_strsplit (props[i], "=", 2);

			g_warning ("pair '%s'='%s'", pair ? pair[0] : "<null>",
				   pair && pair[0] ? pair[1] : "<null>");

			/* Hunt for session-type=small-screen * /
			if (pair && pair[0] && !g_ascii_strcasecmp (pair[0], "session-type"))
				*small_screen = !g_ascii_strcasecmp (pair[1], "small-screen");
			g_strfreev (pair);
		}
		g_strfreev (props);
		XFree (moblin_string);
	}

	if (wm_window_v)
	      XFree (wm_window_v);*/
}
#endif

#ifdef TEST_APP
/* gcc -g -O0 -Wall -I. -DTEST `pkg-config --cflags --libs gtk+-2.0` e-shell-meego.c && ./a.out */
#include <gtk/gtk.h>

int main (int argc, char **argv)
{
	gboolean is_meego, small_screen;

	gtk_init (&argc, &argv);

	e_shell_detect_meego (&is_meego, &small_screen);
	fprintf (stderr, "Meego ? %d small ? %d\n", is_meego, small_screen);

	return 0;
}
#endif