/**

* \file app.h

* \brief DreamShell applications

* \date 2007-2014

* \author SWAT www.dc-swat.ru

*/

#ifndef _DS_APP_H

#define _DS_APP_H

#include <kos.h>

#include "list.h"

#include "gui.h"

#include "mxml.h"

#include "console.h"

#include "lua.h"

/**

* App state flags

*/

#define APP_STATE_OPENED 0x00000001

#define APP_STATE_LOADED 0x00000002

#define APP_STATE_READY 0x00000004

#define APP_STATE_PROCESS 0x00000008

#define APP_STATE_SLEEP 0x00000020

#define APP_STATE_WAIT_UNLOAD 0x00000040

/**

* App info structure

*/

typedef struct App {

const char fn[MAX_FN_LEN];

const char icon[MAX_FN_LEN];

const char name[64];

const char ver[32];

const char ext[64];

const char *args;

uint32 id;

uint32 state;

Item_list_t *resources;

Item_list_t *elements;

mxml_node_t *xml;

kthread_t *thd;

lua_State *lua;

GUI_Widget *body;

} App_t;

/**

* Initialize and shutdown application system

*/

int InitApps();

void ShutdownApps();

/**

* Apps list utils

*/

Item_list_t *GetAppList();

App_t *GetAppById(int id);

App_t *GetAppByFileName(const char *fn);

App_t *GetAppByName(const char *name);

App_t *GetAppByExtension(const char *ext);

App_t *GetAppsByExtension(const char *ext, App_t **app_list, size_t count);

/**

* Get current opened application

*/

App_t *GetCurApp();

/**

* Parse app XML file and add to list

*

* return NULL on error

*/

App_t *AddApp(const char *fn);

/**

* Remove app from list

*/

int RemoveApp(App_t *app);

/**

* Open app with arguments (if needed)

* Application can be loaded and builded automatically

*

* return 0 on error and 1 on success

*/

int OpenApp(App_t *app, const char *args);

/**

* Close app and unload (if unload > 0)

*

* return 0 on error and 1 on success

*/

int CloseApp(App_t *app, int unload);

/**

* Loading and unloading app resources

*

* return 0 on error and 1 on success

*/

int LoadApp(App_t *app, int build);

int UnLoadApp(App_t *app);

/**

* Building app body from XML tree

*

* return 0 on error and 1 on success

*/

int BuildAppBody(App_t *app);

/**

* Add and remove GUI widget to/from app body Panel widget

*

* return 0 on error and 1 on success

*/

int AddToAppBody(App_t *app, GUI_Widget *widget);

int RemoveFromAppBody(App_t *app, GUI_Widget *widget);

/**

* Calling app exported function

*

* return 0 on error and 1 on success

*/

int CallAppExportFunc(App_t *app, const char *fstr);

/**

* Calling app onload, onunload, onopen and onclose events

*

* return 0 on error and 1 on success

*/

int CallAppBodyEvent(App_t *app, char *event);

/**

* Waiting for clear flag APP_STATE_PROCESS

*/

void WaitApp(App_t *app);

/**

* Setup APP_STATE_SLEEP flag manualy

*

* return 0 on error and 1 on success

*/

int SetAppSleep(App_t *app, int sleep);

/**

* Check extension supported

*

* return 0 is NOT and 1 on success

*/

int IsFileSupportedByApp(App_t *app, const char *filename);

/* Utils */

char *FindXmlAttr(char *name, mxml_node_t *node, char *defValue);

void UnLoadOldApps();

void UnloadAppResources(Item_list_t *lst);

/* Resource helpers */

void *getAppElement(App_t *app, const char *name, ListItemType type);

#define APP_GET_WIDGET(name) ((GUI_Widget *) getAppElement(self.app, name, LIST_ITEM_GUI_WIDGET))

#define APP_GET_SURFACE(name) ((GUI_Surface *) getAppElement(self.app, name, LIST_ITEM_GUI_SURFACE))

#define APP_GET_FONT(name) ((GUI_Font *) getAppElement(self.app, name, LIST_ITEM_GUI_FONT))

#endif