static void
gtk_css_computed_values_create_css_transitions (GtkCssComputedValues *values,
gint64 timestamp,
GtkCssComputedValues *source)
{
TransitionInfo transitions[GTK_CSS_PROPERTY_N_PROPERTIES] = { { 0, } };
GtkCssValue *durations, *delays, *timing_functions;
guint i;
transition_infos_set (transitions, _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_PROPERTY));
durations = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_DURATION);
delays = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_DELAY);
timing_functions = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION);
for (i = 0; i < GTK_CSS_PROPERTY_N_PROPERTIES; i++)
{
GtkStyleAnimation *animation;
GtkCssValue *start, *end;
double duration, delay;
if (!transitions[i].pending)
continue;
duration = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, transitions[i].index), 100);
delay = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, transitions[i].index), 100);
if (duration + delay == 0.0)
continue;
start = _gtk_css_computed_values_get_intrinsic_value (source, i);
end = _gtk_css_computed_values_get_intrinsic_value (values, i);
if (_gtk_css_value_equal (start, end))
{
animation = gtk_css_computed_values_find_transition (GTK_CSS_COMPUTED_VALUES (source), i);
if (animation)
values->animations = g_slist_prepend (values->animations, g_object_ref (animation));
}
else
{
animation = _gtk_css_transition_new (i,
_gtk_css_computed_values_get_value (source, i),
_gtk_css_array_value_get_nth (timing_functions, i),
timestamp + delay * G_USEC_PER_SEC,
timestamp + (delay + duration) * G_USEC_PER_SEC);
values->animations = g_slist_prepend (values->animations, animation);
}
}
}
static GSList *
gtk_css_animated_style_create_css_transitions (GSList *animations,
GtkCssStyle *base_style,
gint64 timestamp,
GtkCssStyle *source)
{
TransitionInfo transitions[GTK_CSS_PROPERTY_N_PROPERTIES] = { { 0, } };
GtkCssValue *durations, *delays, *timing_functions;
guint i;
transition_infos_set (transitions, gtk_css_style_get_value (base_style, GTK_CSS_PROPERTY_TRANSITION_PROPERTY));
durations = gtk_css_style_get_value (base_style, GTK_CSS_PROPERTY_TRANSITION_DURATION);
delays = gtk_css_style_get_value (base_style, GTK_CSS_PROPERTY_TRANSITION_DELAY);
timing_functions = gtk_css_style_get_value (base_style, GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION);
for (i = 0; i < GTK_CSS_PROPERTY_N_PROPERTIES; i++)
{
GtkStyleAnimation *animation;
GtkCssValue *start, *end;
double duration, delay;
if (!transitions[i].pending)
continue;
duration = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, transitions[i].index), 100);
delay = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, transitions[i].index), 100);
if (duration + delay == 0.0)
continue;
if (GTK_IS_CSS_ANIMATED_STYLE (source))
{
start = gtk_css_animated_style_get_intrinsic_value (GTK_CSS_ANIMATED_STYLE (source), i);
end = gtk_css_style_get_value (base_style, i);
if (_gtk_css_value_equal (start, end))
{
animation = gtk_css_animated_style_find_transition (GTK_CSS_ANIMATED_STYLE (source), i);
if (animation)
{
animation = _gtk_style_animation_advance (animation, timestamp);
animations = g_slist_prepend (animations, animation);
}
continue;
}
}
if (_gtk_css_value_equal (gtk_css_style_get_value (source, i),
gtk_css_style_get_value (base_style, i)))
continue;
animation = _gtk_css_transition_new (i,
gtk_css_style_get_value (source, i),
_gtk_css_array_value_get_nth (timing_functions, i),
timestamp,
duration * G_USEC_PER_SEC,
delay * G_USEC_PER_SEC);
animations = g_slist_prepend (animations, animation);
}
return animations;
}
