static void
gtk_css_animation_set_values (GtkStyleAnimation *style_animation,
gint64 for_time_us,
GtkCssComputedValues *values)
{
GtkCssAnimation *animation = GTK_CSS_ANIMATION (style_animation);
double iteration, progress;
guint i;
iteration = gtk_css_animation_get_iteration (animation, for_time_us);
if (!gtk_css_animation_is_executing_at_iteration (animation, iteration))
return;
progress = gtk_css_animation_get_progress_from_iteration (animation, iteration);
progress = _gtk_css_ease_value_transform (animation->ease, progress);
for (i = 0; i < _gtk_css_keyframes_get_n_properties (animation->keyframes); i++)
{
GtkCssValue *value;
guint property_id;
property_id = _gtk_css_keyframes_get_property_id (animation->keyframes, i);
value = _gtk_css_keyframes_get_value (animation->keyframes,
i,
progress,
_gtk_css_computed_values_get_intrinsic_value (values, property_id));
_gtk_css_computed_values_set_animated_value (values, property_id, value);
_gtk_css_value_unref (value);
}
}
static void
gtk_css_animation_finalize (GObject *object)
{
GtkCssAnimation *animation = GTK_CSS_ANIMATION (object);
g_free (animation->name);
_gtk_css_keyframes_unref (animation->keyframes);
_gtk_css_value_unref (animation->ease);
G_OBJECT_CLASS (_gtk_css_animation_parent_class)->finalize (object);
}
static gboolean
gtk_css_animation_is_static (GtkStyleAnimation *style_animation,
gint64 at_time_us)
{
GtkCssAnimation *animation = GTK_CSS_ANIMATION (style_animation);
double iteration;
if (animation->play_state == GTK_CSS_PLAY_STATE_PAUSED)
return TRUE;
iteration = gtk_css_animation_get_iteration (animation, at_time_us);
return iteration >= animation->iteration_count;
}
static void
gtk_css_computed_values_create_css_animations (GtkCssComputedValues *values,
GtkCssComputedValues *parent_values,
gint64 timestamp,
GtkStyleProviderPrivate *provider,
GtkCssComputedValues *source)
{
GtkCssValue *durations, *delays, *timing_functions, *animations;
GtkCssValue *iteration_counts, *directions, *play_states, *fill_modes;
guint i;
animations = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_NAME);
durations = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_DURATION);
delays = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_DELAY);
timing_functions = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_TIMING_FUNCTION);
iteration_counts = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_ITERATION_COUNT);
directions = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_DIRECTION);
play_states = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_PLAY_STATE);
fill_modes = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_FILL_MODE);
for (i = 0; i < _gtk_css_array_value_get_n_values (animations); i++)
{
GtkStyleAnimation *animation;
GtkCssKeyframes *keyframes;
const char *name;
name = _gtk_css_ident_value_get (_gtk_css_array_value_get_nth (animations, i));
if (g_ascii_strcasecmp (name, "none") == 0)
continue;
animation = gtk_css_computed_values_find_animation (values, name);
if (animation)
continue;
if (source)
animation = gtk_css_computed_values_find_animation (source, name);
if (animation)
{
animation = _gtk_css_animation_copy (GTK_CSS_ANIMATION (animation),
timestamp,
_gtk_css_play_state_value_get (_gtk_css_array_value_get_nth (play_states, i)));
}
else
{
keyframes = _gtk_style_provider_private_get_keyframes (provider, name);
if (keyframes == NULL)
continue;
keyframes = _gtk_css_keyframes_compute (keyframes, provider, values, parent_values);
animation = _gtk_css_animation_new (name,
keyframes,
timestamp,
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, i), 100) * G_USEC_PER_SEC,
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, i), 100) * G_USEC_PER_SEC,
_gtk_css_array_value_get_nth (timing_functions, i),
_gtk_css_direction_value_get (_gtk_css_array_value_get_nth (directions, i)),
_gtk_css_play_state_value_get (_gtk_css_array_value_get_nth (play_states, i)),
_gtk_css_fill_mode_value_get (_gtk_css_array_value_get_nth (fill_modes, i)),
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (iteration_counts, i), 100));
_gtk_css_keyframes_unref (keyframes);
}
values->animations = g_slist_prepend (values->animations, animation);
}
}