/**
 * Navit, a modular navigation system.
 * Copyright (C) 2005-2008 Navit Team
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 */

#include <glib.h>
#include "config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "item.h"
#include "point.h"
#include "graphics.h"
#include "color.h"
#include "plugin.h"
#include "event.h"
#include "debug.h"
#include "window.h"
#include "callback.h"
#if defined(WINDOWS) || defined(WIN32) || defined (HAVE_API_WIN32_CE)
#include <windows.h>
# define sleep(i) Sleep(i * 1000)
#endif

static struct callback_list* callbacks;

static struct graphics_priv {
	int dummy;
} graphics_priv;

static struct graphics_font_priv {
	int dummy;
} graphics_font_priv;

static struct graphics_gc_priv {
	int dummy;
} graphics_gc_priv;

static struct graphics_image_priv {
	int dummy;
} graphics_image_priv;

static void
graphics_destroy(struct graphics_priv *gr)
{
}

static void font_destroy(struct graphics_font_priv *font)
{

}

static struct graphics_font_methods font_methods = {
	font_destroy
};

static struct graphics_font_priv *font_new(struct graphics_priv *gr, struct graphics_font_methods *meth, char *font,  int size, int flags)
{
	*meth=font_methods;
	return &graphics_font_priv;
}

static void
gc_destroy(struct graphics_gc_priv *gc)
{
}

static void
gc_set_linewidth(struct graphics_gc_priv *gc, int w)
{
}

static void
gc_set_dashes(struct graphics_gc_priv *gc, int w, int offset, unsigned char *dash_list, int n)
{
}

static void
gc_set_foreground(struct graphics_gc_priv *gc, struct color *c)
{
}

static void
gc_set_background(struct graphics_gc_priv *gc, struct color *c)
{
}

static struct graphics_gc_methods gc_methods = {
	gc_destroy,
	gc_set_linewidth,
	gc_set_dashes,	
	gc_set_foreground,	
	gc_set_background	
};

static struct graphics_gc_priv *gc_new(struct graphics_priv *gr, struct graphics_gc_methods *meth)
{
	*meth=gc_methods;
	return &graphics_gc_priv;
}

static struct graphics_image_priv *
image_new(struct graphics_priv *gr, struct graphics_image_methods *meth, char *path, int *w, int *h, struct point *hot, int rotation)
{
	return &graphics_image_priv;
}

static void
draw_lines(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count)
{
}

static void
draw_polygon(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count)
{
}

static void
draw_rectangle(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int w, int h)
{
}

static void
draw_circle(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int r)
{
}


static void
draw_text(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct graphics_gc_priv *bg, struct graphics_font_priv *font, char *text, struct point *p, int dx, int dy)
{
}

static void
draw_image(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, struct graphics_image_priv *img)
{
}

static void draw_drag(struct graphics_priv *gr, struct point *p)
{
}

static void
background_gc(struct graphics_priv *gr, struct graphics_gc_priv *gc)
{
}

static void
draw_mode(struct graphics_priv *gr, enum draw_mode_num mode)
{
}

static struct graphics_priv * overlay_new(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int wraparound);

static void
resize_callback(int w, int h)
{
	callback_list_call_attr_2(callbacks, attr_resize,
				  GINT_TO_POINTER(1), GINT_TO_POINTER(1));
}

static int
graphics_null_fullscreen(struct window *w, int on)
{
	return 1;
}

static void
graphics_null_disable_suspend(struct window *w)
{
}

static void *
get_data(struct graphics_priv *this, char const *type)
{
	if (strcmp(type, "window") == 0) {
		struct window *win;
		win = g_new0(struct window, 1);
		win->priv = this;
		win->fullscreen = graphics_null_fullscreen;
		win->disable_suspend = graphics_null_disable_suspend;
		resize_callback(1,1);
		return win;
	}
	return NULL;
}

static void image_free(struct graphics_priv *gr, struct graphics_image_priv *priv)
{
}

static void get_text_bbox(struct graphics_priv *gr, struct graphics_font_priv *font, char *text, int dx, int dy, struct point *ret, int estimate)
{
}

static void overlay_disable(struct graphics_priv *gr, int disable)
{
}

static void overlay_resize(struct graphics_priv *gr, struct point *p, int w, int h, int wraparound)
{
}

static struct graphics_methods graphics_methods = {
	graphics_destroy,
	draw_mode,
	draw_lines,
	draw_polygon,
	draw_rectangle,
	draw_circle,
	draw_text,
	draw_image,
	NULL,
	draw_drag,
	font_new,
	gc_new,
	background_gc,
	overlay_new,
	image_new,
	get_data,
	image_free,
	get_text_bbox,
	overlay_disable,
	overlay_resize,
	NULL, /* show_native_keyboard */
	NULL, /* hide_native_keyboard */
};

static struct graphics_priv *
overlay_new(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int wraparound)
{
	*meth=graphics_methods;
	return &graphics_priv;
}


static struct graphics_priv *
graphics_null_new(struct navit *nav, struct graphics_methods *meth, struct attr **attrs, struct callback_list *cbl)
{
	struct attr *event_loop_system = NULL;
	*meth=graphics_methods;

        event_loop_system = attr_search(attrs, NULL, attr_event_loop_system);

	if (event_loop_system && event_loop_system->u.str) {
		dbg(lvl_debug, "event_system is %s\n", event_loop_system->u.str);
		if (!event_request_system(event_loop_system->u.str, "graphics_null"))
			return NULL;
	} else {
		if (!event_request_system("null", "graphics_null"))
                        return NULL;
	}
	callbacks = cbl;
	resize_callback(1,1);
	return &graphics_priv;
}

static void
event_null_main_loop_run(void)
{

        dbg(lvl_debug,"enter\n");
	for (;;)
		sleep(1);

}

static void event_null_main_loop_quit(void)
{
        dbg(lvl_debug,"enter\n");
}

static struct event_watch *
event_null_add_watch(int h, enum event_watch_cond cond, struct callback *cb)
{
        dbg(lvl_debug,"enter\n");
        return NULL;
}

static void
event_null_remove_watch(struct event_watch *ev)
{
        dbg(lvl_debug,"enter\n");
}


static struct event_timeout *
event_null_add_timeout(int timeout, int multi, struct callback *cb)
{
        dbg(lvl_debug,"enter\n");
	return NULL;
}

static void
event_null_remove_timeout(struct event_timeout *to)
{
        dbg(lvl_debug,"enter\n");
}


static struct event_idle *
event_null_add_idle(int priority, struct callback *cb)
{
        dbg(lvl_debug,"enter\n");
        return NULL;
}

static void
event_null_remove_idle(struct event_idle *ev)
{
        dbg(lvl_debug,"enter\n");
}

static void
event_null_call_callback(struct callback_list *cb)
{
        dbg(lvl_debug,"enter\n");
}

static struct event_methods event_null_methods = {
        event_null_main_loop_run,
        event_null_main_loop_quit,
        event_null_add_watch,
        event_null_remove_watch,
        event_null_add_timeout,
        event_null_remove_timeout,
        event_null_add_idle,
        event_null_remove_idle,
        event_null_call_callback,
};

static struct event_priv *
event_null_new(struct event_methods *meth)
{
        *meth=event_null_methods;
        return NULL;
}


void
plugin_init(void)
{
        plugin_register_category_graphics("null", graphics_null_new);
	plugin_register_category_event("null", event_null_new);
}