/*

    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

    slouken@libsdl.org

*/

#include "SDL_config.h"

#include "SDL_video.h"

#include "SDL_mouse.h"

#include "SDL_assert.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 <Foundation/Foundation.h>

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

{

    SDL_VideoDisplay *display = window->display;

    UIScreen *uiscreen = (UIScreen *) display->driverdata;

    SDL_WindowData *data;

    /* Allocate the window data */

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

    if (!data) {

        SDL_OutOfMemory();

        return -1;

    }

    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.

    // This is only set if the window is on the main screen. Other screens

    //  just force the window to have the borderless flag.

    if ([UIScreen mainScreen] == uiscreen) {

        if (window->flags & SDL_WINDOW_BORDERLESS) {

            [UIApplication sharedApplication].statusBarHidden = YES;

        } else {

            [UIApplication sharedApplication].statusBarHidden = NO;

        }

    }

    return 0;

}

    SDL_VideoDisplay *display = window->display;

    UIScreen *uiscreen = (UIScreen *) display->driverdata;

    // SDL currently puts this window at the start of display's linked list. We rely on this.

    SDL_assert(display->windows == window);

    /* We currently only handle a single window per display on iPhone */

    if (window->next != NULL) {

        SDL_SetError("Only one window allowed per display.");

        return -1;

    }

    // Non-mainscreen windows must be force to borderless, as there's no

    //  status bar there, and we want to get the right dimensions later in

    //  this function.

    if ([UIScreen mainScreen] != uiscreen) {

        window->flags |= SDL_WINDOW_BORDERLESS;

    }

    // If monitor has a resolution of 0x0 (hasn't been explicitly set by the

    //  user, so it's in standby), try to force the display to a resolution

    //  that most closely matches the desired window size.

    if (SDL_UIKit_supports_multiple_displays) {

        const CGSize origsize = [[uiscreen currentMode] size];

        if ((origsize.width == 0.0f) && (origsize.height == 0.0f)) {

            if (display->num_display_modes == 0) {

                _this->GetDisplayModes(_this, display);

            }

            int i;

            const SDL_DisplayMode *bestmode = NULL;

            for (i = display->num_display_modes; i >= 0; i--) {

                const SDL_DisplayMode *mode = &display->display_modes[i];

                if ((mode->w >= window->w) && (mode->h >= window->h))

                    bestmode = mode;

            }

            if (bestmode) {

                UIScreenMode *uimode = (UIScreenMode *) bestmode->driverdata;

                [uiscreen setCurrentMode:uimode];

                display->desktop_mode = *bestmode;

                display->current_mode = *bestmode;

            }

        }

    }

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

    // !!! FIXME: can we have a smaller view?

    UIWindow *uiwindow = [UIWindow alloc];

    if (window->flags & SDL_WINDOW_BORDERLESS)

        uiwindow = [uiwindow initWithFrame:[uiscreen bounds]];

    else

        uiwindow = [uiwindow initWithFrame:[uiscreen applicationFrame]];

    if (SDL_UIKit_supports_multiple_displays) {

        [uiwindow setScreen:uiscreen];

    }

    if (SetupWindowData(_this, window, uiwindow, SDL_TRUE) < 0) {

        [uiwindow release];

        return -1;

    }    

    return 1;

}

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

    if (data) {

        [data->uiwindow release];

        SDL_free(data);

        window->driverdata = NULL;

    }

}

/* vi: set ts=4 sw=4 expandtab: */