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path: root/main/src/view/ivug-slider-slideshow.c
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/*
 * Copyright 2012  Samsung Electronics Co., Ltd
 *
 * Licensed under the Flora License, Version 1.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *	  http://www.tizenopensource.org/license
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


#include "ivug-common.h"
#include "ivug-main.h"

#include "ivug-slider.h"
#include "ivug-mouse-event.h"
#include "ivug-slider-item.h"
#include "ivug-anim.h"
#include "ivug-effect.h"
#include "ivug-slider-priv.h"
#include "ivug-data.h"
#include "ivug-data-shuffle.h"


static const char *_get_ss_state(slideshow_state_t state)
{
	const char *szMsg[] = {"Stopped", "Running",  "Paused" };

	return szMsg[state];
}


void _ivug_slider_effect_finished(void *data)
{
	struct Smart_Data* sd = (struct Smart_Data*) data;
	ivug_ret_if(!sd);

	MSG_SLIDER_HIGH("Slide Effect ended");

	if(sd->effect_engine)
	{
		ivug_effect_finalize(sd->effect_engine);
		sd->effect_engine = NULL;
	}

	if (sd->slide[NEXT_SLIDE]->mitem && sd->bSS_SlideFlag == EINA_FALSE)
	{
		_ivug_slider_slide_update_shift_right(sd);
	}

	// Update edge state
	sd->edge = _ivug_slider_edge_state_get(sd->slide[CENTER_SLIDE]);

	if(sd->bSS_StopFlag == EINA_TRUE)
	{
		sd->ss_state = SLIDE_SHOW_STOPPED;
		MSG_SLIDER_HIGH("effect_engine is finished");
		evas_object_smart_callback_call(sd->obj, "slider,slideshow,interrupted", (void *)sd->slide[CENTER_SLIDE]);
		ivug_slider_restore_window_list(sd->obj);
		sd->bSS_StopFlag = EINA_FALSE;
	}
}


// Slide Show related functions.
static Eina_Bool
_ivug_slider_slide_show_cb(void *data)
{
	IV_ASSERT(data != NULL);

	struct Smart_Data* sd = (struct Smart_Data*) data;

	if(sd->ss_state == SLIDE_SHOW_STOPPED)	/* stopped by other operation */
	{
		sd->ss_timer = NULL;
		return ECORE_CALLBACK_CANCEL;
	}

	Media_Item *item = NULL;

	if(sd->ss_mode & SLIDE_SHOW_MODE_SHUFFLE)
	{
		item = ivug_data_get_next_shuffle_item(sd->media_list);
	}
	else	// shuffle slideshow is off
	{
		item = ivug_data_get_next(sd->slide[CENTER_SLIDE]->mitem);
	}

	//calc slide show
	if (  item != NULL || (sd->ss_mode & SLIDE_SHOW_MODE_REPEAT))	/* repeat is endless */
	{
		MSG_SLIDER_HIGH("ivug_effect_add Effect=%d", sd->effect_type);

		Effect_Engine *eng = ivug_effect_add(sd->effect_type);

		if(eng == NULL)
		{
			MSG_SLIDER_ERROR("Cannot create effect NULL");
			return ECORE_CALLBACK_CANCEL;
		}

		sd->effect_engine = eng;
    	ivug_effect_init(sd->effect_engine, sd->slide[CENTER_SLIDE]->layout, sd->slide[NEXT_SLIDE]->layout, sd->w, sd->h, 0);

		ivug_effect_start(sd->effect_engine, _ivug_slider_effect_finished, sd);

		return ECORE_CALLBACK_RENEW;
	}
	else
	{
		MSG_SLIDER_HIGH("Reached end of images. Stop slide show");

		sd->ss_timer = NULL;
		evas_object_smart_callback_call(sd->obj, "slider,slideshow,finished", (void *)sd->slide[CENTER_SLIDE]);
		return ECORE_CALLBACK_CANCEL;
	}

}


static Eina_Bool
_ivug_slider_slide_finish_cb(void *data)
{
	IV_ASSERT(data != NULL);

	struct Smart_Data* sd = (struct Smart_Data*) data;

	sd->ss_timer = NULL;

	evas_object_smart_callback_call(sd->obj, "slider,slideshow,finished", (void *)sd->slide[CENTER_SLIDE]);

	return ECORE_CALLBACK_CANCEL;
}


static Effect_Type
ivug_slider_get_trans_effect(ivug_effect_type type)
{
	MSG_SLIDER_MED("type %d", type);

	switch(type)
	{
		case IVUG_EFFECT_TYPE_SLIDE:
			return EFFECT_SLIDE;
		break;

		default:
			break;
	}

	return EFFECT_NONE;
}


void
ivug_slider_start_slide_show(Evas_Object* obj, Eina_Bool bSlideFirst)
{
	IV_ASSERT(obj != NULL);

	struct Smart_Data *sd = (struct Smart_Data *)evas_object_smart_data_get(obj);
	IV_ASSERT(sd != NULL);

	ivug_effect_type ivug_effect = IVUG_EFFECT_TYPE_SLIDE;

	ivug_config_get_slideshow_setting(&(sd->ss_mode), &(sd->ss_interval_time), &ivug_effect);

	MSG_SLIDER_HIGH("Start slide show. Interval=%f Effect=%d", sd->ss_interval_time, ivug_effect);

	if(sd->ss_interval_time < 0)
	{
		MSG_SLIDER_HIGH("slide show interval time is invalid !!!");
		ivug_slider_stop_slide_show(obj);
		return ;
	}

//	sd->ss_interval_time = 6.0f;		// Test

	if ( sd->ss_state == SLIDE_SHOW_RUNNING )
	{
		MSG_SLIDER_WARN("Slide show is running. remove previous one.");
		ivug_slider_stop_slide_show(obj);
	}

	if ( sd->effect_engine != NULL )
	{
		MSG_SLIDER_FATAL("Debug Me!!!");
		return ;
	}

	sd->bSS_SlideFlag = EINA_FALSE;
	sd->bSS_StopFlag = EINA_FALSE;

	sd->effect_type = ivug_slider_get_trans_effect(ivug_effect);

	ivug_data_set_window_size(sd->media_list, IV_WINDOW_SIZE_FOR_SLIDE_SHOW);

	///////////////////////////////////////////////////////
	if(sd->ss_mode & SLIDE_SHOW_MODE_SHUFFLE)
	{
		{
			ivug_data_init_shuffle_slide_show(sd->media_list, sd->ss_mode, sd->cur_list_idx, sd->list_total_count);
		}
	}

	ivug_slider_item_data_unset(sd->slide[NEXT_SLIDE]);
// TODO : parameter of ivug_data_get_current_slide_show_item() is too complex!!!!
	Media_Item *item = ivug_data_get_current_slide_show_item(sd->media_list,  sd->ss_mode, sd->cur_list_idx, &(sd->next_list_idx), sd->list_total_count);

	if(item == NULL)
	{
		MSG_SLIDER_ERROR("Item is NULL. CurIndex=%d", sd->cur_list_idx);

		ivug_data_set_window_size(sd->media_list, IV_WINDOW_SIZE);
		if(sd->ss_timer) {
			ecore_timer_del(sd->ss_timer);
			sd->ss_timer = NULL;
		}
		sd->ss_timer = ecore_timer_add(sd->ss_interval_time, _ivug_slider_slide_finish_cb, sd);
		return;
	}

	ivug_data_append_media_item(sd->media_list, item);
	ivug_slider_item_data_set(sd->slide[NEXT_SLIDE], item);	//set iterator
	ivug_slider_item_data_loading(sd->slide[NEXT_SLIDE]);

	 /* set sd->slide[NEXT_SLIDE] 's next item*/
	ivug_data_set_next_slide_show_item(sd->media_list, sd->ss_mode, &(sd->next_list_idx), sd->list_total_count);

	sd->ss_state = SLIDE_SHOW_RUNNING;
	if(bSlideFirst == EINA_TRUE)
	{
		if ( _ivug_slider_slide_show_cb(sd) == ECORE_CALLBACK_CANCEL )
		{
			MSG_SLIDER_WARN("Slide ended????");
			ivug_data_set_window_size(sd->media_list, IV_WINDOW_SIZE);
			return;
		}
	}
	if(sd->ss_timer) {
		ecore_timer_del(sd->ss_timer);
		sd->ss_timer = NULL;
	}
	sd->ss_timer = ecore_timer_add(sd->ss_interval_time, _ivug_slider_slide_show_cb, sd);

	MSG_SLIDER_HIGH("Slide show started!");

// if it is last slide, need hide menu bar
}

void
ivug_slider_pause_slide_show(Evas_Object* obj)
{
	IV_ASSERT(obj != NULL);

	struct Smart_Data *sd = (struct Smart_Data *) evas_object_smart_data_get(obj);
	IV_ASSERT(sd != NULL);

	MSG_SLIDER_HIGH("Pause slide show. state=%s", _get_ss_state(sd->ss_state));

	if(sd->ss_timer)
	{
		ecore_timer_freeze(sd->ss_timer);
	}

	sd->ss_state = SLIDE_SHOW_PAUSE;
}

void
ivug_slider_resume_slide_show(Evas_Object* obj)
{
	IV_ASSERT(obj != NULL);

	struct Smart_Data *sd = (struct Smart_Data *) evas_object_smart_data_get(obj);
	IV_ASSERT(sd != NULL);

	MSG_SLIDER_HIGH("Resume slide show. state=%s", _get_ss_state(sd->ss_state));

	if(sd->ss_timer)
	{
		ecore_timer_thaw(sd->ss_timer);
	}

	sd->ss_state = SLIDE_SHOW_RUNNING;		// TODO : Buggy
}

void
ivug_slider_stop_slide_show(Evas_Object* obj)
{
	IV_ASSERT(obj != NULL);

	struct Smart_Data *sd = (struct Smart_Data *) evas_object_smart_data_get(obj);
	IV_ASSERT(sd != NULL);

	if ( sd->ss_state != SLIDE_SHOW_RUNNING )
	{
		MSG_SLIDER_WARN("Stop slide show. but not run state. state=%s", _get_ss_state(sd->ss_state) );
		return;
	}

	MSG_SLIDER_HIGH("Stop slide show. XY(%d,%d)", sd->x, sd->y);
	sd->bSS_StopFlag = EINA_TRUE;

	//delete timmer
	if(sd->ss_timer) {
		ecore_timer_del(sd->ss_timer);
		sd->ss_timer = NULL;
	}

	if(sd->ss_mode & SLIDE_SHOW_MODE_SHUFFLE)
	{
		ivug_data_deinit_shuffle_slide_show(sd->media_list,
											sd->list_total_count);
	}

	ivug_data_set_window_size(sd->media_list, IV_WINDOW_SIZE);

	if(sd->effect_engine == NULL)
	{
		sd->ss_state = SLIDE_SHOW_STOPPED;
		MSG_SLIDER_HIGH("effect_engine is NULL");
		evas_object_smart_callback_call(sd->obj, "slider,slideshow,interrupted", (void *)sd->slide[CENTER_SLIDE]);
		ivug_slider_restore_window_list(sd->obj);
		sd->bSS_StopFlag = EINA_FALSE;
	}
}