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#include "efl_canvas_gesture_private.h"
#define MY_CLASS EFL_CANVAS_GESTURE_RECOGNIZER_DOUBLE_TAP_CLASS
#define TAP_TIME_OUT 0.33
EOLIAN static Efl_Canvas_Gesture *
_efl_canvas_gesture_recognizer_double_tap_efl_canvas_gesture_recognizer_add(Eo *obj, Efl_Canvas_Gesture_Recognizer_Double_Tap_Data *pd EINA_UNUSED, Efl_Object *target EINA_UNUSED)
{
return efl_add(EFL_CANVAS_GESTURE_DOUBLE_TAP_CLASS, obj);
}
EOLIAN static void
_efl_canvas_gesture_recognizer_double_tap_efl_object_destructor(Eo *obj,
Efl_Canvas_Gesture_Recognizer_Double_Tap_Data *pd)
{
if (pd->timeout)
ecore_timer_del(pd->timeout);
efl_destructor(efl_super(obj, MY_CLASS));
}
static Eina_Bool
_tap_timeout_cb(void *data)
{
Efl_Canvas_Gesture_Recognizer_Double_Tap_Data *pd;
pd = efl_data_scope_get(data, EFL_CANVAS_GESTURE_RECOGNIZER_DOUBLE_TAP_CLASS);
efl_gesture_state_set(pd->gesture, EFL_GESTURE_STATE_CANCELED);
efl_event_callback_call(pd->target, EFL_EVENT_GESTURE_DOUBLE_TAP, pd->gesture);
efl_gesture_manager_recognizer_cleanup(efl_provider_find(data, EFL_CANVAS_GESTURE_MANAGER_CLASS), data,
pd->target);
pd->timeout = NULL;
pd->tap_count = 0;
return ECORE_CALLBACK_CANCEL;
}
EOLIAN static Efl_Canvas_Gesture_Recognizer_Result
_efl_canvas_gesture_recognizer_double_tap_efl_canvas_gesture_recognizer_recognize(Eo *obj,
Efl_Canvas_Gesture_Recognizer_Double_Tap_Data *pd,
Efl_Canvas_Gesture *gesture, Efl_Object *watched,
Efl_Canvas_Gesture_Touch *event)
{
double length, start_timeout = pd->start_timeout;
double timeout = TAP_TIME_OUT;
Eina_Position2D pos;
Eina_Vector2 dist;
Efl_Canvas_Gesture_Recognizer_Result result = EFL_GESTURE_RECOGNIZER_RESULT_CANCEL;
pd->target = watched;
pd->gesture = gesture;
if (!EINA_DBL_NONZERO(start_timeout))
{
double time;
Eina_Value *val = _recognizer_config_get(obj, "glayer_double_tap_timeout");
if (val)
{
eina_value_get(val, &time);
pd->start_timeout = timeout = time;
}
}
else
timeout = start_timeout;
switch (efl_gesture_touch_state_get(event))
{
case EFL_GESTURE_TOUCH_STATE_BEGIN:
{
pos = efl_gesture_touch_start_point_get(event);
efl_gesture_hotspot_set(gesture, pos);
if (pd->timeout)
ecore_timer_reset(pd->timeout);
else
pd->timeout = ecore_timer_add(timeout, _tap_timeout_cb, obj);
result = EFL_GESTURE_RECOGNIZER_RESULT_TRIGGER;
break;
}
case EFL_GESTURE_TOUCH_STATE_UPDATE:
{
/* multi-touch */
if (efl_gesture_touch_cur_data_get(event)->action == EFL_POINTER_ACTION_DOWN)
{
/* a second finger was pressed at the same time-ish as the first: combine into same event */
if (efl_gesture_touch_cur_timestamp_get(event) - efl_gesture_timestamp_get(gesture) < TAP_TOUCH_TIME_THRESHOLD)
{
result = EFL_GESTURE_RECOGNIZER_RESULT_IGNORE;
break;
}
}
result = EFL_GESTURE_RECOGNIZER_RESULT_IGNORE;
if (efl_gesture_state_get(gesture) != EFL_GESTURE_STATE_NONE &&
!efl_gesture_touch_multi_touch_get(event))
{
dist = efl_gesture_touch_distance(event, 0);
length = fabs(dist.x) + fabs(dist.y);
if (length > pd->finger_size)
{
if (pd->timeout)
{
ecore_timer_del(pd->timeout);
pd->timeout = NULL;
}
result = EFL_GESTURE_RECOGNIZER_RESULT_CANCEL;
pd->tap_count = 0;
}
}
break;
}
case EFL_GESTURE_TOUCH_STATE_END:
{
if (efl_gesture_state_get(gesture) != EFL_GESTURE_STATE_NONE &&
!efl_gesture_touch_multi_touch_get(event))
{
if (efl_gesture_touch_prev_data_get(event))
{
Efl_Pointer_Action prev_act = efl_gesture_touch_prev_data_get(event)->action;
/* multi-touch */
if ((prev_act == EFL_POINTER_ACTION_UP) || (prev_act == EFL_POINTER_ACTION_CANCEL))
{
/* a second finger was pressed at the same time-ish as the first: combine into same event */
if (efl_gesture_touch_cur_timestamp_get(event) - efl_gesture_timestamp_get(gesture) < TAP_TOUCH_TIME_THRESHOLD)
{
result = EFL_GESTURE_RECOGNIZER_RESULT_IGNORE;
break;
}
}
}
dist = efl_gesture_touch_distance(event, 0);
length = fabs(dist.x) + fabs(dist.y);
if (length <= pd->finger_size)
{
pd->tap_count++;
if (pd->tap_count == 1)
{
if (pd->timeout)
ecore_timer_reset(pd->timeout);
result = EFL_GESTURE_RECOGNIZER_RESULT_TRIGGER;
}
else
{
if (pd->timeout)
{
ecore_timer_del(pd->timeout);
pd->timeout = NULL;
}
if (efl_gesture_touch_state_get(event) == EFL_GESTURE_TOUCH_STATE_END)
result = EFL_GESTURE_RECOGNIZER_RESULT_FINISH;
else
result = EFL_GESTURE_RECOGNIZER_RESULT_TRIGGER;
pd->tap_count = 0;
}
}
else
{
if (pd->timeout)
{
ecore_timer_del(pd->timeout);
pd->timeout = NULL;
}
result = EFL_GESTURE_RECOGNIZER_RESULT_CANCEL;
pd->tap_count = 0;
}
}
break;
}
default:
break;
}
return result;
}
EOLIAN static double
_efl_canvas_gesture_recognizer_double_tap_timeout_get(const Eo *obj EINA_UNUSED,
Efl_Canvas_Gesture_Recognizer_Double_Tap_Data *pd)
{
return pd->start_timeout;
}
EOLIAN static void
_efl_canvas_gesture_recognizer_double_tap_timeout_set(Eo *obj EINA_UNUSED,
Efl_Canvas_Gesture_Recognizer_Double_Tap_Data *pd,
double time)
{
pd->start_timeout = time;
}
#include "efl_canvas_gesture_recognizer_double_tap.eo.c"
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