/* each time the timeline animating the label completes, swap the direction */
static void
timeline_completed (ClutterTimeline *timeline,
gpointer user_data)
{
clutter_timeline_set_direction (timeline,
!clutter_timeline_get_direction (timeline));
clutter_timeline_start (timeline);
}
static void reverse_timeline (ClutterTimeline *timeline,
gpointer data)
{
ClutterTimelineDirection direction = clutter_timeline_get_direction (timeline);
if (direction == CLUTTER_TIMELINE_FORWARD)
clutter_timeline_set_direction (timeline, CLUTTER_TIMELINE_BACKWARD);
else
clutter_timeline_set_direction (timeline, CLUTTER_TIMELINE_FORWARD);
clutter_timeline_start (timeline);
}
static void
reverse_timeline (ClutterTimeline *timeline)
{
ClutterTimelineDirection dir = clutter_timeline_get_direction (timeline);
if (dir == CLUTTER_TIMELINE_FORWARD)
dir = CLUTTER_TIMELINE_BACKWARD;
else
dir = CLUTTER_TIMELINE_FORWARD;
clutter_timeline_set_direction (timeline, dir);
}
static void
timeline_completed (ClutterTimeline *timeline)
{
ClutterTimelineDirection direction;
direction = clutter_timeline_get_direction (timeline);
if (direction == CLUTTER_TIMELINE_FORWARD)
direction = CLUTTER_TIMELINE_BACKWARD;
else
direction = CLUTTER_TIMELINE_FORWARD;
clutter_timeline_set_direction (timeline, direction);
}
/**
* clutter_timeline_clone:
* @timeline: #ClutterTimeline to duplicate.
*
* Create a new #ClutterTimeline instance which has property values
* matching that of supplied timeline. The cloned timeline will not
* be started and will not be positioned to the current position of
* @timeline: you will have to start it with clutter_timeline_start().
*
* Return Value: a new #ClutterTimeline, cloned from @timeline
*
* Since: 0.4
*/
ClutterTimeline *
clutter_timeline_clone (ClutterTimeline *timeline)
{
ClutterTimeline *copy;
g_return_val_if_fail (CLUTTER_IS_TIMELINE (timeline), NULL);
copy = g_object_new (CLUTTER_TYPE_TIMELINE,
"duration", clutter_timeline_get_duration (timeline),
"loop", clutter_timeline_get_loop (timeline),
"delay", clutter_timeline_get_delay (timeline),
"direction", clutter_timeline_get_direction (timeline),
NULL);
return copy;
}
static void
mex_tile_timeline_completed_cb (ClutterTimeline *timeline,
MexTile *tile)
{
ClutterTimelineDirection direction =
clutter_timeline_get_direction (timeline);
/* Reversing the direction and rewinding will make sure that on
* completion, progress stays at 0.0 or 1.0, depending on the
* direction of the timeline.
*/
clutter_timeline_set_direction (timeline,
(direction == CLUTTER_TIMELINE_FORWARD) ?
CLUTTER_TIMELINE_BACKWARD :
CLUTTER_TIMELINE_FORWARD);
clutter_timeline_rewind (timeline);
mex_tile_important_new_frame_cb (timeline, 0, tile);
}
static void
mex_content_box_timeline_completed (ClutterTimeline *timeline,
MexContentBox *box)
{
MexContentBoxPrivate *priv = box->priv;
priv->extras_visible =
(clutter_timeline_get_direction (timeline) == CLUTTER_TIMELINE_FORWARD);
if (!priv->extras_visible)
{
/* box is now "closed" */
mx_stylable_set_style_class (MX_STYLABLE (box), "");
g_object_notify_by_pspec (G_OBJECT (box), properties[PROP_OPEN]);
}
if (!priv->is_open)
mex_content_view_set_content (MEX_CONTENT_VIEW (priv->action_list),
NULL);
}
static void
interpolation_completed_cb (ClutterTimeline *timeline,
MxAdjustment *adjustment)
{
MxAdjustmentPrivate *priv = adjustment->priv;
if (priv->elastic && priv->clamp_value)
{
if (clutter_timeline_get_direction (priv->interpolation) ==
CLUTTER_TIMELINE_FORWARD)
{
clutter_timeline_set_direction (priv->interpolation,
CLUTTER_TIMELINE_BACKWARD);
clutter_timeline_set_duration (priv->interpolation, 250);
clutter_timeline_rewind (priv->interpolation);
if (priv->new_position < priv->lower)
{
priv->old_position = priv->lower;
clutter_timeline_start (priv->interpolation);
}
else if (priv->new_position > (priv->upper - priv->page_size))
{
priv->old_position = priv->upper - priv->page_size;
clutter_timeline_start (priv->interpolation);
}
}
else
{
stop_interpolation (adjustment);
mx_adjustment_set_value (adjustment, priv->old_position);
}
}
else
{
stop_interpolation (adjustment);
mx_adjustment_set_value (adjustment, priv->new_position);
}
g_signal_emit (adjustment, signals[INTERPOLATION_COMPLETED], 0);
}
static gboolean
mouse_moved(CurrentCallView *self)
{
g_return_val_if_fail(IS_CURRENT_CALL_VIEW(self), FALSE);
auto priv = CURRENT_CALL_VIEW_GET_PRIVATE(self);
priv->time_last_mouse_motion = g_get_monotonic_time();
// since the mouse moved, make sure the controls are shown
if (clutter_timeline_get_direction(CLUTTER_TIMELINE(priv->fade_info)) == CLUTTER_TIMELINE_FORWARD) {
clutter_timeline_set_direction(CLUTTER_TIMELINE(priv->fade_info), CLUTTER_TIMELINE_BACKWARD);
clutter_timeline_set_direction(CLUTTER_TIMELINE(priv->fade_controls), CLUTTER_TIMELINE_BACKWARD);
if (!clutter_timeline_is_playing(CLUTTER_TIMELINE(priv->fade_info))) {
clutter_timeline_rewind(CLUTTER_TIMELINE(priv->fade_info));
clutter_timeline_rewind(CLUTTER_TIMELINE(priv->fade_controls));
clutter_timeline_start(CLUTTER_TIMELINE(priv->fade_info));
clutter_timeline_start(CLUTTER_TIMELINE(priv->fade_controls));
}
}
return FALSE; // propogate event
}
static gboolean
timeout_check_last_motion_event(CurrentCallView *self)
{
g_return_val_if_fail(IS_CURRENT_CALL_VIEW(self), G_SOURCE_REMOVE);
auto priv = CURRENT_CALL_VIEW_GET_PRIVATE(self);
auto current_time = g_get_monotonic_time();
if (current_time - priv->time_last_mouse_motion >= CONTROLS_FADE_TIMEOUT) {
// timeout has passed, hide the controls
if (clutter_timeline_get_direction(CLUTTER_TIMELINE(priv->fade_info)) == CLUTTER_TIMELINE_BACKWARD) {
clutter_timeline_set_direction(CLUTTER_TIMELINE(priv->fade_info), CLUTTER_TIMELINE_FORWARD);
clutter_timeline_set_direction(CLUTTER_TIMELINE(priv->fade_controls), CLUTTER_TIMELINE_FORWARD);
if (!clutter_timeline_is_playing(CLUTTER_TIMELINE(priv->fade_info))) {
clutter_timeline_rewind(CLUTTER_TIMELINE(priv->fade_info));
clutter_timeline_rewind(CLUTTER_TIMELINE(priv->fade_controls));
clutter_timeline_start(CLUTTER_TIMELINE(priv->fade_info));
clutter_timeline_start(CLUTTER_TIMELINE(priv->fade_controls));
}
}
}
return G_SOURCE_CONTINUE;
}
void
st_theme_node_transition_update (StThemeNodeTransition *transition,
StThemeNode *new_node)
{
StThemeNodeTransitionPrivate *priv = transition->priv;
StThemeNode *old_node;
ClutterTimelineDirection direction;
g_return_if_fail (ST_IS_THEME_NODE_TRANSITION (transition));
g_return_if_fail (ST_IS_THEME_NODE (new_node));
direction = clutter_timeline_get_direction (priv->timeline);
old_node = (direction == CLUTTER_TIMELINE_FORWARD) ? priv->old_theme_node
: priv->new_theme_node;
/* If the update is the reversal of the current transition,
* we reverse the timeline.
* Otherwise, we should initiate a new transition from the
* current state to the new one; this is hard to do if the
* transition is in an intermediate state, so we just cancel
* the ongoing transition in that case.
* Note that reversing a timeline before any time elapsed
* results in the timeline's time position being set to the
* full duration - this is not what we want, so we cancel the
* transition as well in that case.
*/
if (st_theme_node_equal (new_node, old_node))
{
if (clutter_timeline_get_elapsed_time (priv->timeline) > 0)
{
if (direction == CLUTTER_TIMELINE_FORWARD)
clutter_timeline_set_direction (priv->timeline,
CLUTTER_TIMELINE_BACKWARD);
else
clutter_timeline_set_direction (priv->timeline,
CLUTTER_TIMELINE_FORWARD);
}
else
{
clutter_timeline_stop (priv->timeline);
g_signal_emit (transition, signals[COMPLETED], 0);
}
}
else
{
if (clutter_timeline_get_elapsed_time (priv->timeline) > 0)
{
clutter_timeline_stop (priv->timeline);
g_signal_emit (transition, signals[COMPLETED], 0);
}
else
{
guint new_duration = st_theme_node_get_transition_duration (new_node);
clutter_timeline_set_duration (priv->timeline, new_duration);
/* If the change doesn't affect painting, we don't need to redraw,
* but we still need to replace the node so that we properly share
* caching with the painting that happens after the transition finishes.
*/
if (!st_theme_node_paint_equal (priv->new_theme_node, new_node))
priv->needs_setup = TRUE;
g_object_unref (priv->new_theme_node);
priv->new_theme_node = g_object_ref (new_node);
}
}
}
