void
meta_compositor_flash_window (MetaCompositor *compositor,
MetaWindow *window)
{
ClutterActor *window_actor =
CLUTTER_ACTOR (meta_window_get_compositor_private (window));
ClutterActor *flash;
ClutterTransition *transition;
flash = clutter_actor_new ();
clutter_actor_set_background_color (flash, CLUTTER_COLOR_Black);
clutter_actor_set_size (flash, window->rect.width, window->rect.height);
clutter_actor_set_position (flash,
window->custom_frame_extents.left,
window->custom_frame_extents.top);
clutter_actor_set_opacity (flash, 0);
clutter_actor_add_child (window_actor, flash);
clutter_actor_save_easing_state (flash);
clutter_actor_set_easing_mode (flash, CLUTTER_EASE_IN_QUAD);
clutter_actor_set_easing_duration (flash, FLASH_TIME_MS);
clutter_actor_set_opacity (flash, 192);
transition = clutter_actor_get_transition (flash, "opacity");
clutter_timeline_set_auto_reverse (CLUTTER_TIMELINE (transition), TRUE);
clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (transition), 2);
g_signal_connect (transition, "stopped",
G_CALLBACK (window_flash_out_completed), flash);
clutter_actor_restore_easing_state (flash);
}
void
meta_compositor_flash_screen (MetaCompositor *compositor,
MetaScreen *screen)
{
ClutterActor *stage;
ClutterActor *flash;
ClutterTransition *transition;
gfloat width, height;
stage = meta_get_stage_for_screen (screen);
clutter_actor_get_size (stage, &width, &height);
flash = clutter_actor_new ();
clutter_actor_set_background_color (flash, CLUTTER_COLOR_Black);
clutter_actor_set_size (flash, width, height);
clutter_actor_set_opacity (flash, 0);
clutter_actor_add_child (stage, flash);
clutter_actor_save_easing_state (flash);
clutter_actor_set_easing_mode (flash, CLUTTER_EASE_IN_QUAD);
clutter_actor_set_easing_duration (flash, FLASH_TIME_MS);
clutter_actor_set_opacity (flash, 192);
transition = clutter_actor_get_transition (flash, "opacity");
clutter_timeline_set_auto_reverse (CLUTTER_TIMELINE (transition), TRUE);
clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (transition), 2);
g_signal_connect (transition, "stopped",
G_CALLBACK (flash_out_completed), flash);
clutter_actor_restore_easing_state (flash);
}
static void
timeline_complete (ClutterTimeline *timeline,
ClutterActor *expander)
{
guchar opacity;
MxExpanderPrivate *priv = MX_EXPANDER (expander)->priv;
g_signal_emit (expander, expander_signals[EXPAND_COMPLETE], 0);
/* if the expander is now closed, update the style */
if (!priv->expanded)
{
clutter_actor_set_name (priv->arrow, "mx-expander-arrow-closed");
mx_stylable_set_style_class (MX_STYLABLE (expander), "closed-expander");
clutter_actor_queue_relayout (expander);
}
if (!priv->child)
return;
/* continue only if we are "opening" */
if (!priv->expanded)
return;
/* we can't do an animation if there is already one in progress,
* because we cannot get the actors original opacity */
if (clutter_actor_get_transition (priv->child, "opacity"))
{
clutter_actor_show (priv->child);
return;
}
opacity = clutter_actor_get_opacity (priv->child);
clutter_actor_set_opacity (priv->child, 0);
clutter_actor_show (priv->child);
clutter_actor_save_easing_state (priv->child);
clutter_actor_set_easing_mode (priv->child, CLUTTER_EASE_IN_SINE);
clutter_actor_set_easing_duration (priv->child, 100);
clutter_actor_set_opacity (priv->child, opacity);
clutter_actor_restore_easing_state (priv->child);
}
