/*

 * ftk_source_input.c

 *

 *  Created on: 2011-1-1

 *	  Author: Yi.Qiu

 */



#include "ftk_log.h"

#include "ftk_key.h"

#include "ftk_event.h"

#include "ftk_source.h"



typedef struct _PrivInfo

{

	int		 fd;

	FtkEvent event;

	FtkOnEvent  on_event;

	void*	   user_data;

	rt_device_t	device;

} PrivInfo;



static int s_key_map[0xff] = {0};



static void ftk_keymap_init(void)

{

	s_key_map[0x1] = FTK_KEY_ESC;

	s_key_map[0xc] = FTK_KEY_MINUS;

	s_key_map[0x39] = FTK_KEY_SPACE;

	s_key_map[0xd] = FTK_KEY_EQUAL;

	s_key_map[0xe] = FTK_KEY_BACKSPACE;

	s_key_map[0xf] = FTK_KEY_TAB;

	s_key_map[0x1c] = FTK_KEY_ENTER;

	s_key_map[0xb] = FTK_KEY_0;

	s_key_map[0x2] = FTK_KEY_1; 

	s_key_map[0x3] = FTK_KEY_2;

	s_key_map[0x4] = FTK_KEY_3;

	s_key_map[0x5] = FTK_KEY_4;

	s_key_map[0x6] = FTK_KEY_5;

	s_key_map[0x7] = FTK_KEY_6;

	s_key_map[0x8] = FTK_KEY_7;

	s_key_map[0x9] = FTK_KEY_8;

	s_key_map[0xa] = FTK_KEY_9;

	s_key_map[0x3b] = FTK_KEY_F1; 

	s_key_map[0x3c] = FTK_KEY_F2;

	s_key_map[0x3d] = FTK_KEY_F3;

	s_key_map[0x3e] = FTK_KEY_F4;

	s_key_map[0xef] = FTK_KEY_F5;

	s_key_map[0x40] = FTK_KEY_F6;

	s_key_map[0x41] = FTK_KEY_F7;

	s_key_map[0x42] = FTK_KEY_F8;

	s_key_map[0x43] = FTK_KEY_F9;

	s_key_map[0x1e] = FTK_KEY_A;

	s_key_map[0x30] = FTK_KEY_B;

	s_key_map[0x2c] = FTK_KEY_C;

	s_key_map[0x20] = FTK_KEY_D;

	s_key_map[0x12] = FTK_KEY_E;

	s_key_map[0x21] = FTK_KEY_F;

	s_key_map[0x22] = FTK_KEY_G;

	s_key_map[0x23] = FTK_KEY_H;

	s_key_map[0x17] = FTK_KEY_I;

	s_key_map[0x24] = FTK_KEY_J;

	s_key_map[0x25] = FTK_KEY_K;

	s_key_map[0x26] = FTK_KEY_L;

	s_key_map[0x32] = FTK_KEY_M;

	s_key_map[0x31] = FTK_KEY_N;

	s_key_map[0x18] = FTK_KEY_O;

	s_key_map[0x19] = FTK_KEY_P;

	s_key_map[0x10] = FTK_KEY_Q;

	s_key_map[0x13] = FTK_KEY_R;

	s_key_map[0x1f] = FTK_KEY_S;

	s_key_map[0x14] = FTK_KEY_T;

	s_key_map[0x16] = FTK_KEY_U;

	s_key_map[0x2f] = FTK_KEY_V;

	s_key_map[0x11] = FTK_KEY_W;

	s_key_map[0x2d] = FTK_KEY_X;

	s_key_map[0x15] = FTK_KEY_Y;

	s_key_map[0x2c] = FTK_KEY_Z;

	s_key_map[0x4b] = FTK_KEY_LEFT;

	s_key_map[0x4d] = FTK_KEY_RIGHT;

	s_key_map[0x50] = FTK_KEY_DOWN;

	s_key_map[0x2e] = FTK_KEY_DELETE;

	s_key_map[0x48] = FTK_KEY_UP;

}	



static int ftk_source_input_get_fd(FtkSource* thiz)

{

	DECL_PRIV(thiz, priv);



	return priv->fd;

}



static int ftk_source_input_check(FtkSource* thiz)

{

	return -1;

}



static Ret ftk_source_input_dispatch(FtkSource* thiz)

{

	char ch;

	int ret = 0;

	DECL_PRIV(thiz, priv);



	while(rt_device_read(priv->device, 0, &ch, 1) == 1)

	{

		priv->event.type = (ch & 0x80) ? FTK_EVT_KEY_UP : FTK_EVT_KEY_DOWN;

		priv->event.u.key.code = s_key_map[ch & 0x7F];

		

		if(priv->on_event != NULL && priv->event.type != FTK_EVT_NOP)

		{

			priv->on_event(priv->user_data, &priv->event);

			priv->event.type = FTK_EVT_NOP;

		}

	}	

	

	return RET_OK;

}



static void ftk_source_input_destroy(FtkSource* thiz)

{

	if (thiz != NULL)

	{

		DECL_PRIV(thiz, priv);



		ftk_rtthread_select_fd_free(priv->fd);



		rt_device_close(priv->device);



		FTK_ZFREE(thiz, sizeof(thiz) + sizeof(PrivInfo));

	}

}



static rt_err_t ftk_source_input_rx_ind(rt_device_t dev, rt_size_t size)

{

	FtkSource* thiz = (FtkSource*)dev->user_data;

	DECL_PRIV(thiz, priv);

	

	ftk_rtthread_set_file_readble(priv->fd);

	

	return RET_OK;

}



FtkSource* ftk_source_input_create(const char* filename, FtkOnEvent on_event, void* user_data)

{

	FtkSource* thiz = (FtkSource*)FTK_ZALLOC(sizeof(FtkSource) + sizeof(PrivInfo));

	rt_device_t device = NULL;



	if (thiz != NULL)

	{

		DECL_PRIV(thiz, priv);



		thiz->get_fd   = ftk_source_input_get_fd;

		thiz->check	= ftk_source_input_check;

		thiz->dispatch = ftk_source_input_dispatch;

		thiz->destroy  = ftk_source_input_destroy;



		thiz->ref = 1;



		priv->device = rt_device_find(filename); 

		if (priv->device == NULL)

		{

			FTK_ZFREE(thiz, sizeof(thiz) + sizeof(PrivInfo));

			return NULL;

		}

		if (rt_device_open(priv->device, RT_DEVICE_OFLAG_RDONLY) != RT_EOK)

		{

			FTK_ZFREE(thiz, sizeof(thiz) + sizeof(PrivInfo));

			return NULL;

		}



		priv->device->user_data = (void *)thiz;

		rt_device_set_rx_indicate(priv->device, ftk_source_input_rx_ind);



		priv->fd = ftk_rtthread_select_fd_alloc();



		priv->on_event  = on_event;

		priv->user_data = user_data;



		ftk_keymap_init();

		ftk_logd("%s: %d=%s priv->user_data=%p\n", __func__, priv->fd, filename, priv->user_data);

	}

	

	return thiz;

}