/*

 SDL - Simple DirectMedia Layer

 Copyright (C) 1997-2009 Sam Lantinga

 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 St, Fifth Floor, Boston, MA  02110-1301  USA

 Sam Lantinga, mods for Hedgewars by Vittorio Giovara

 slouken@libsdl.org, vittorio.giovara@gmail.com

 */

#include "SDL_config.h"

#include "SDL_video.h"

#include "SDL_mouse.h"

#include "../SDL_sysvideo.h"

#include "../SDL_pixels_c.h"

#include "../../events/SDL_events_c.h"

#include "SDL_uikitvideo.h"

#include "SDL_uikitevents.h"

#include "SDL_uikitwindow.h"

#import "SDL_uikitappdelegate.h"

#import "SDL_uikitopenglview.h"

#import "SDL_renderer_sw.h"

#include <UIKit/UIKit.h>

#include <Foundation/Foundation.h>

static int SetupWindowData(_THIS, SDL_Window *window, UIWindow *uiwindow, SDL_bool created) {

	SDL_WindowData *data;

	/* Allocate the window data */

	data = (SDL_WindowData *)SDL_malloc(sizeof(*data));

	if (!data) {

		SDL_OutOfMemory();

		return -1;

	}

	data->window = window;

	data->uiwindow = uiwindow;

	data->view = nil;

	/* Fill in the SDL window with the window data */

	{

		window->x = 0;

		window->y = 0;

		window->w = (int)uiwindow.frame.size.width;

		window->h = (int)uiwindow.frame.size.height;

	}

	window->driverdata = data;

	window->flags &= ~SDL_WINDOW_RESIZABLE;		/* window is NEVER resizeable */

	window->flags |= SDL_WINDOW_OPENGL;			/* window is always OpenGL */

	window->flags |= SDL_WINDOW_FULLSCREEN;		/* window is always fullscreen */

	window->flags |= SDL_WINDOW_SHOWN;			/* only one window on iPod touch, always shown */

	window->flags |= SDL_WINDOW_INPUT_FOCUS;	/* always has input focus */	

	/* SDL_WINDOW_BORDERLESS controls whether status bar is hidden */

	if (window->flags & SDL_WINDOW_BORDERLESS) {

		[UIApplication sharedApplication].statusBarHidden = YES;

	}

	else {

		[UIApplication sharedApplication].statusBarHidden = NO;

	}

	return 0;

}

int UIKit_CreateWindow(_THIS, SDL_Window *window) {

	/* We currently only handle single window applications on iPhone 

	if (nil != [SDLUIKitDelegate sharedAppDelegate].window) {

		SDL_SetError("Window already exists, no multi-window support.");

		return -1;

	}*/

	// ignore the size user requested, and make a fullscreen window 

	//UIWindow *uiwindow = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

	// since we handle the window with a NIB, we don't need the initialization above

	if (SetupWindowData(_this, window, [SDLUIKitDelegate sharedAppDelegate].uiwindow, SDL_TRUE) < 0) {

		SDL_SetError("SetupWindowData() failed");

		//[uiwindow release];

		return -1;

	}	

	// This saves the main window in the app delegate so event callbacks can do stuff on the window.

	// This assumes a single window application design and needs to be fixed for multiple windows.

	[SDLUIKitDelegate sharedAppDelegate].window = window;

	//[SDLUIKitDelegate sharedAppDelegate].uiwindow = uiwindow;

	//[uiwindow release]; /* release the window (the app delegate has retained it) */

	return 1;

}

void UIKit_DestroyWindow(_THIS, SDL_Window * window) {

	/* don't worry, the delegate will automatically release the window */

	SDL_WindowData *data = (SDL_WindowData *)window->driverdata;

	if (data) {

		SDL_free( window->driverdata );

	}

	/* this will also destroy the window */

	[SDLUIKitDelegate sharedAppDelegate].window = NULL;

	//[SDLUIKitDelegate sharedAppDelegate].uiwindow = nil;

}

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