Rage video and audio player https://www.enlightenment.org
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#include <Elementary.h>
#include <math.h>
#include "main.h"
#include "win.h"
#include "winvid.h"
#include "video.h"
#include "gesture.h"
static Eina_Bool
_cb_momentum(void *data, double pos)
{
Inf *inf = evas_object_data_get(data, "inf");
Evas_Coord w, dx;
Eina_Bool end = EINA_FALSE;
evas_object_geometry_get(inf->event, NULL, NULL, &w, NULL);
if (pos >= 1.0) end = EINA_TRUE;
pos = ecore_animator_pos_map(pos, ECORE_POS_MAP_DECELERATE_FACTOR, 3.0, 0.0);
dx = inf->drag_dist + (inf->drag_momentum * pos);
pos = inf->start_pos + (((dx) * 60.0) / (double)(w / 2));
video_position_set(inf->vid, pos);
if (end)
{
inf->drag_anim = NULL;
if (inf->was_playing) win_do_play(data);
return EINA_FALSE;
}
return EINA_TRUE;
}
static Evas_Event_Flags
_cb_long_move(void *data EINA_UNUSED, void *event EINA_UNUSED)
{
// longpress - options
return EVAS_EVENT_FLAG_ON_HOLD;
}
static Evas_Event_Flags
_cb_move_start(void *data, void *event EINA_UNUSED)
{
Inf *inf = evas_object_data_get(data, "inf");
if (inf->drag_anim)
{
ecore_animator_del(inf->drag_anim);
inf->drag_anim = NULL;
}
inf->dragging = EINA_FALSE;
return EVAS_EVENT_FLAG_ON_HOLD;
}
static Evas_Event_Flags
_cb_move_move(void *data, void *event)
{
Elm_Gesture_Momentum_Info *p = event;
Inf *inf = evas_object_data_get(data, "inf");
Evas_Coord w, sz = 0, dx;
double pos;
elm_coords_finger_size_adjust(1, &sz, 1, &sz);
evas_object_geometry_get(inf->event, NULL, NULL, &w, NULL);
if (w < 2) w = 2;
dx = p->x2 - p->x1;
if (abs(dx) < sz) return 0;
if (!inf->dragging)
{
inf->was_playing = inf->playing;
inf->start_pos = video_position_get(inf->vid);
win_do_pause(data);
}
inf->dragging = EINA_TRUE;
pos = inf->start_pos + (((dx) * 60.0) / (double)(w / 2));
video_position_set(inf->vid, pos);
return EVAS_EVENT_FLAG_ON_HOLD;
}
static Evas_Event_Flags
_cb_move_end(void *data, void *event)
{
Elm_Gesture_Momentum_Info *p = event;
Inf *inf = evas_object_data_get(data, "inf");
if (inf->dragging)
{
double tim = sqrt((p->mx * p->mx) + (p->my * p->my)) / 1000.0;
if (tim > 0.0)
{
inf->drag_dist = p->x2 - p->x1;
inf->drag_momentum = p->mx;
inf->drag_time = tim;
inf->drag_start = ecore_loop_time_get();
inf->drag_anim =
ecore_animator_timeline_add(tim, _cb_momentum, data);
}
else
{
if (inf->was_playing) win_do_play(data);
}
}
else
{
if (inf->was_playing) win_do_play(data);
}
return EVAS_EVENT_FLAG_ON_HOLD;
}
static Evas_Event_Flags
_cb_move_abort(void *data, void *event EINA_UNUSED)
{
Inf *inf = evas_object_data_get(data, "inf");
if (inf->was_playing) win_do_play(data);
return EVAS_EVENT_FLAG_ON_HOLD;
}
void
gesture_init(Evas_Object *win, Evas_Object *tgt)
{
Inf *inf = evas_object_data_get(win, "inf");
Evas_Object *g;
inf->glayer = g = elm_gesture_layer_add(win);
elm_gesture_layer_attach(g, tgt);
elm_gesture_layer_cb_set(g, ELM_GESTURE_N_LONG_TAPS,
ELM_GESTURE_STATE_MOVE, _cb_long_move,
win);
elm_gesture_layer_cb_set(g, ELM_GESTURE_MOMENTUM,
ELM_GESTURE_STATE_START, _cb_move_start,
win);
elm_gesture_layer_cb_set(g, ELM_GESTURE_MOMENTUM,
ELM_GESTURE_STATE_MOVE, _cb_move_move,
win);
elm_gesture_layer_cb_set(g, ELM_GESTURE_MOMENTUM,
ELM_GESTURE_STATE_END, _cb_move_end,
win);
elm_gesture_layer_cb_set(g, ELM_GESTURE_MOMENTUM,
ELM_GESTURE_STATE_ABORT, _cb_move_abort,
win);
}