Ejemplo n.º 1
0
GtkStyleAnimation *
_gtk_css_animation_copy (GtkCssAnimation *animation,
                         gint64           at_time_us,
                         GtkCssPlayState  play_state)
{
  g_return_val_if_fail (GTK_IS_CSS_ANIMATION (animation), NULL);

  if (animation->play_state == play_state)
    return g_object_ref (animation);

  return _gtk_css_animation_new (animation->name,
                                 animation->keyframes,
                                 at_time_us,
                                 - gtk_css_animation_get_elapsed (animation, at_time_us),
                                 animation->duration,
                                 animation->ease,
                                 animation->direction,
                                 play_state,
                                 animation->fill_mode,
                                 animation->iteration_count);
}
Ejemplo n.º 2
0
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);
    }
}