/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2006 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

*/

/* Handle the BeApp specific portions of the application */

#include <AppKit.h>

#include <storage/Path.h>

#include <storage/Entry.h>

#include <unistd.h>

#include "SDL_BeApp.h"

#include "SDL_thread.h"

#include "SDL_timer.h"

#include "SDL_error.h"

/* Flag to tell whether or not the Be application is active or not */

int SDL_BeAppActive = 0;

static SDL_Thread *SDL_AppThread = NULL;

static int StartBeApp(void *unused)

{

	BApplication *App;

	App = new BApplication("application/x-SDL-executable");

	App->Run();

	delete App;

	return(0);

}

/* Initialize the Be Application, if it's not already started */

int SDL_InitBeApp(void)

{

	/* Create the BApplication that handles appserver interaction */

	if ( SDL_BeAppActive <= 0 ) {

		SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);

		if ( SDL_AppThread == NULL ) {

			SDL_SetError("Couldn't create BApplication thread");

			return(-1);

		}

		/* Change working to directory to that of executable */

		app_info info;

		if (B_OK == be_app->GetAppInfo(&info)) {

			entry_ref ref = info.ref;

			BEntry entry;

			if (B_OK == entry.SetTo(&ref)) {

				BPath path;

				if (B_OK == path.SetTo(&entry)) {

					if (B_OK == path.GetParent(&path)) {

						chdir(path.Path());

					}

				}

			}

		}	

		do {

			SDL_Delay(10);

		} while ( (be_app == NULL) || be_app->IsLaunching() );

		/* Mark the application active */

		SDL_BeAppActive = 0;

	}

	/* Increment the application reference count */

	++SDL_BeAppActive;

	/* The app is running, and we're ready to go */

	return(0);

}

/* Quit the Be Application, if there's nothing left to do */

void SDL_QuitBeApp(void)

{

	/* Decrement the application reference count */

	--SDL_BeAppActive;

	/* If the reference count reached zero, clean up the app */

	if ( SDL_BeAppActive == 0 ) {

		if ( SDL_AppThread != NULL ) {

			if ( be_app != NULL ) { /* Not tested */

				be_app->PostMessage(B_QUIT_REQUESTED);

			}

			SDL_WaitThread(SDL_AppThread, NULL);

			SDL_AppThread = NULL;

		}

		/* be_app should now be NULL since be_app has quit */

	}

}