/* * Copyright © 2012 Red Hat Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . * * Authors: Benjamin Otte */ #include "config.h" #include "gtkcssanimatedstyleprivate.h" #include "gtkcssanimationprivate.h" #include "gtkcssarrayvalueprivate.h" #include "gtkcssdynamicprivate.h" #include "gtkcssenumvalueprivate.h" #include "gtkcssinheritvalueprivate.h" #include "gtkcssinitialvalueprivate.h" #include "gtkcssnumbervalueprivate.h" #include "gtkcssshorthandpropertyprivate.h" #include "gtkcssstaticstyleprivate.h" #include "gtkcssstringvalueprivate.h" #include "gtkcssstylepropertyprivate.h" #include "gtkcsstransitionprivate.h" #include "gtkprivate.h" #include "gtkstyleanimationprivate.h" #include "gtkstylepropertyprivate.h" #include "gtkstyleproviderprivate.h" G_DEFINE_TYPE (GtkCssAnimatedStyle, gtk_css_animated_style, GTK_TYPE_CSS_STYLE) static GtkCssSection * gtk_css_animated_style_get_section (GtkCssStyle *style, guint id) { GtkCssAnimatedStyle *animated = GTK_CSS_ANIMATED_STYLE (style); return gtk_css_style_get_section (animated->style, id); } static gboolean gtk_css_animated_style_is_static (GtkCssStyle *style) { GtkCssAnimatedStyle *animated = (GtkCssAnimatedStyle *)style; guint i; for (i = 0; i < animated->n_animations; i ++) { if (!_gtk_style_animation_is_static (animated->animations[i])) return FALSE; } return TRUE; } static GtkCssStaticStyle * gtk_css_animated_style_get_static_style (GtkCssStyle *style) { /* This is called a lot, so we avoid a dynamic type check here */ GtkCssAnimatedStyle *animated = (GtkCssAnimatedStyle *) style; return (GtkCssStaticStyle *)animated->style; } static void gtk_css_animated_style_dispose (GObject *object) { GtkCssAnimatedStyle *style = GTK_CSS_ANIMATED_STYLE (object); guint i; for (i = 0; i < style->n_animations; i ++) gtk_style_animation_unref (style->animations[i]); style->n_animations = 0; g_free (style->animations); style->animations = NULL; G_OBJECT_CLASS (gtk_css_animated_style_parent_class)->dispose (object); } static void gtk_css_animated_style_finalize (GObject *object) { GtkCssAnimatedStyle *style = GTK_CSS_ANIMATED_STYLE (object); g_object_unref (style->style); G_OBJECT_CLASS (gtk_css_animated_style_parent_class)->finalize (object); } static void gtk_css_animated_style_class_init (GtkCssAnimatedStyleClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GtkCssStyleClass *style_class = GTK_CSS_STYLE_CLASS (klass); object_class->dispose = gtk_css_animated_style_dispose; object_class->finalize = gtk_css_animated_style_finalize; style_class->get_section = gtk_css_animated_style_get_section; style_class->is_static = gtk_css_animated_style_is_static; style_class->get_static_style = gtk_css_animated_style_get_static_style; } static void gtk_css_animated_style_init (GtkCssAnimatedStyle *style) { } #define DEFINE_UNSHARE(TYPE, NAME) \ static inline void \ unshare_ ## NAME (GtkCssAnimatedStyle *animated) \ { \ GtkCssStyle *style = (GtkCssStyle *)animated; \ if (style->NAME == animated->style->NAME) \ { \ gtk_css_values_unref ((GtkCssValues *)style->NAME); \ style->NAME = (TYPE *)gtk_css_values_copy ((GtkCssValues *)animated->style->NAME); \ } \ } DEFINE_UNSHARE (GtkCssCoreValues, core) DEFINE_UNSHARE (GtkCssBackgroundValues, background) DEFINE_UNSHARE (GtkCssBorderValues, border) DEFINE_UNSHARE (GtkCssIconValues, icon) DEFINE_UNSHARE (GtkCssOutlineValues, outline) DEFINE_UNSHARE (GtkCssFontValues, font) DEFINE_UNSHARE (GtkCssFontVariantValues, font_variant) DEFINE_UNSHARE (GtkCssAnimationValues, animation) DEFINE_UNSHARE (GtkCssTransitionValues, transition) DEFINE_UNSHARE (GtkCssSizeValues, size) DEFINE_UNSHARE (GtkCssOtherValues, other) static inline void gtk_css_take_value (GtkCssValue **variable, GtkCssValue *value) { if (*variable) gtk_css_value_unref (*variable); *variable = value; } void gtk_css_animated_style_set_animated_value (GtkCssAnimatedStyle *animated, guint id, GtkCssValue *value) { GtkCssStyle *style = (GtkCssStyle *)animated; gtk_internal_return_if_fail (GTK_IS_CSS_ANIMATED_STYLE (style)); gtk_internal_return_if_fail (value != NULL); switch (id) { case GTK_CSS_PROPERTY_COLOR: unshare_core (animated); gtk_css_take_value (&style->core->color, value); break; case GTK_CSS_PROPERTY_DPI: unshare_core (animated); gtk_css_take_value (&style->core->dpi, value); break; case GTK_CSS_PROPERTY_FONT_SIZE: unshare_core (animated); gtk_css_take_value (&style->core->font_size, value); break; case GTK_CSS_PROPERTY_ICON_PALETTE: unshare_core (animated); gtk_css_take_value (&style->core->icon_palette, value); break; case GTK_CSS_PROPERTY_BACKGROUND_COLOR: unshare_background (animated); gtk_css_take_value (&style->background->background_color, value); break; case GTK_CSS_PROPERTY_FONT_FAMILY: unshare_font (animated); gtk_css_take_value (&style->font->font_family, value); break; case GTK_CSS_PROPERTY_FONT_STYLE: unshare_font (animated); gtk_css_take_value (&style->font->font_style, value); break; case GTK_CSS_PROPERTY_FONT_WEIGHT: unshare_font (animated); gtk_css_take_value (&style->font->font_weight, value); break; case GTK_CSS_PROPERTY_FONT_STRETCH: unshare_font (animated); gtk_css_take_value (&style->font->font_stretch, value); break; case GTK_CSS_PROPERTY_LETTER_SPACING: unshare_font (animated); gtk_css_take_value (&style->font->letter_spacing, value); break; case GTK_CSS_PROPERTY_TEXT_DECORATION_LINE: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->text_decoration_line, value); break; case GTK_CSS_PROPERTY_TEXT_DECORATION_COLOR: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->text_decoration_color, value); break; case GTK_CSS_PROPERTY_TEXT_DECORATION_STYLE: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->text_decoration_style, value); break; case GTK_CSS_PROPERTY_FONT_KERNING: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->font_kerning, value); break; case GTK_CSS_PROPERTY_FONT_VARIANT_LIGATURES: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->font_variant_ligatures, value); break; case GTK_CSS_PROPERTY_FONT_VARIANT_POSITION: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->font_variant_position, value); break; case GTK_CSS_PROPERTY_FONT_VARIANT_CAPS: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->font_variant_caps, value); break; case GTK_CSS_PROPERTY_FONT_VARIANT_NUMERIC: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->font_variant_numeric, value); break; case GTK_CSS_PROPERTY_FONT_VARIANT_ALTERNATES: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->font_variant_alternates, value); break; case GTK_CSS_PROPERTY_FONT_VARIANT_EAST_ASIAN: unshare_font_variant (animated); gtk_css_take_value (&style->font_variant->font_variant_east_asian, value); break; case GTK_CSS_PROPERTY_TEXT_SHADOW: unshare_font (animated); gtk_css_take_value (&style->font->text_shadow, value); break; case GTK_CSS_PROPERTY_BOX_SHADOW: unshare_background (animated); gtk_css_take_value (&style->background->box_shadow, value); break; case GTK_CSS_PROPERTY_MARGIN_TOP: unshare_size (animated); gtk_css_take_value (&style->size->margin_top, value); break; case GTK_CSS_PROPERTY_MARGIN_LEFT: unshare_size (animated); gtk_css_take_value (&style->size->margin_left, value); break; case GTK_CSS_PROPERTY_MARGIN_BOTTOM: unshare_size (animated); gtk_css_take_value (&style->size->margin_bottom, value); break; case GTK_CSS_PROPERTY_MARGIN_RIGHT: unshare_size (animated); gtk_css_take_value (&style->size->margin_right, value); break; case GTK_CSS_PROPERTY_PADDING_TOP: unshare_size (animated); gtk_css_take_value (&style->size->padding_top, value); break; case GTK_CSS_PROPERTY_PADDING_LEFT: unshare_size (animated); gtk_css_take_value (&style->size->padding_left, value); break; case GTK_CSS_PROPERTY_PADDING_BOTTOM: unshare_size (animated); gtk_css_take_value (&style->size->padding_bottom, value); break; case GTK_CSS_PROPERTY_PADDING_RIGHT: unshare_size (animated); gtk_css_take_value (&style->size->padding_right, value); break; case GTK_CSS_PROPERTY_BORDER_TOP_STYLE: unshare_border (animated); gtk_css_take_value (&style->border->border_top_style, value); break; case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH: unshare_border (animated); gtk_css_take_value (&style->border->border_top_width, value); break; case GTK_CSS_PROPERTY_BORDER_LEFT_STYLE: unshare_border (animated); gtk_css_take_value (&style->border->border_left_style, value); break; case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH: unshare_border (animated); gtk_css_take_value (&style->border->border_left_width, value); break; case GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE: unshare_border (animated); gtk_css_take_value (&style->border->border_bottom_style, value); break; case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH: unshare_border (animated); gtk_css_take_value (&style->border->border_bottom_width, value); break; case GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE: unshare_border (animated); gtk_css_take_value (&style->border->border_right_style, value); break; case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH: unshare_border (animated); gtk_css_take_value (&style->border->border_right_width, value); break; case GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS: unshare_border (animated); gtk_css_take_value (&style->border->border_top_left_radius, value); break; case GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS: unshare_border (animated); gtk_css_take_value (&style->border->border_top_right_radius, value); break; case GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS: unshare_border (animated); gtk_css_take_value (&style->border->border_bottom_right_radius, value); break; case GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS: unshare_border (animated); gtk_css_take_value (&style->border->border_bottom_left_radius, value); break; case GTK_CSS_PROPERTY_OUTLINE_STYLE: unshare_outline (animated); gtk_css_take_value (&style->outline->outline_style, value); break; case GTK_CSS_PROPERTY_OUTLINE_WIDTH: unshare_outline (animated); gtk_css_take_value (&style->outline->outline_width, value); break; case GTK_CSS_PROPERTY_OUTLINE_OFFSET: unshare_outline (animated); gtk_css_take_value (&style->outline->outline_offset, value); break; case GTK_CSS_PROPERTY_BACKGROUND_CLIP: unshare_background (animated); gtk_css_take_value (&style->background->background_clip, value); break; case GTK_CSS_PROPERTY_BACKGROUND_ORIGIN: unshare_background (animated); gtk_css_take_value (&style->background->background_origin, value); break; case GTK_CSS_PROPERTY_BACKGROUND_SIZE: unshare_background (animated); gtk_css_take_value (&style->background->background_size, value); break; case GTK_CSS_PROPERTY_BACKGROUND_POSITION: unshare_background (animated); gtk_css_take_value (&style->background->background_position, value); break; case GTK_CSS_PROPERTY_BORDER_TOP_COLOR: unshare_border (animated); gtk_css_take_value (&style->border->border_top_color, value); break; case GTK_CSS_PROPERTY_BORDER_RIGHT_COLOR: unshare_border (animated); gtk_css_take_value (&style->border->border_right_color, value); break; case GTK_CSS_PROPERTY_BORDER_BOTTOM_COLOR: unshare_border (animated); gtk_css_take_value (&style->border->border_bottom_color, value); break; case GTK_CSS_PROPERTY_BORDER_LEFT_COLOR: unshare_border (animated); gtk_css_take_value (&style->border->border_left_color, value); break; case GTK_CSS_PROPERTY_OUTLINE_COLOR: unshare_outline (animated); gtk_css_take_value (&style->outline->outline_color, value); break; case GTK_CSS_PROPERTY_BACKGROUND_REPEAT: unshare_background (animated); gtk_css_take_value (&style->background->background_repeat, value); break; case GTK_CSS_PROPERTY_BACKGROUND_IMAGE: unshare_background (animated); gtk_css_take_value (&style->background->background_image, value); break; case GTK_CSS_PROPERTY_BACKGROUND_BLEND_MODE: unshare_background (animated); gtk_css_take_value (&style->background->background_blend_mode, value); break; case GTK_CSS_PROPERTY_BORDER_IMAGE_SOURCE: unshare_border (animated); gtk_css_take_value (&style->border->border_image_source, value); break; case GTK_CSS_PROPERTY_BORDER_IMAGE_REPEAT: unshare_border (animated); gtk_css_take_value (&style->border->border_image_repeat, value); break; case GTK_CSS_PROPERTY_BORDER_IMAGE_SLICE: unshare_border (animated); gtk_css_take_value (&style->border->border_image_slice, value); break; case GTK_CSS_PROPERTY_BORDER_IMAGE_WIDTH: unshare_border (animated); gtk_css_take_value (&style->border->border_image_width, value); break; case GTK_CSS_PROPERTY_ICON_SOURCE: unshare_other (animated); gtk_css_take_value (&style->other->icon_source, value); break; case GTK_CSS_PROPERTY_ICON_SIZE: unshare_icon (animated); gtk_css_take_value (&style->icon->icon_size, value); break; case GTK_CSS_PROPERTY_ICON_SHADOW: unshare_icon (animated); gtk_css_take_value (&style->icon->icon_shadow, value); break; case GTK_CSS_PROPERTY_ICON_STYLE: unshare_icon (animated); gtk_css_take_value (&style->icon->icon_style, value); break; case GTK_CSS_PROPERTY_ICON_TRANSFORM: unshare_other (animated); gtk_css_take_value (&style->other->icon_transform, value); break; case GTK_CSS_PROPERTY_ICON_FILTER: unshare_other (animated); gtk_css_take_value (&style->other->icon_filter, value); break; case GTK_CSS_PROPERTY_BORDER_SPACING: unshare_size (animated); gtk_css_take_value (&style->size->border_spacing, value); break; case GTK_CSS_PROPERTY_TRANSFORM: unshare_other (animated); gtk_css_take_value (&style->other->transform, value); break; case GTK_CSS_PROPERTY_MIN_WIDTH: unshare_size (animated); gtk_css_take_value (&style->size->min_width, value); break; case GTK_CSS_PROPERTY_MIN_HEIGHT: unshare_size (animated); gtk_css_take_value (&style->size->min_height, value); break; case GTK_CSS_PROPERTY_TRANSITION_PROPERTY: unshare_transition (animated); gtk_css_take_value (&style->transition->transition_property, value); break; case GTK_CSS_PROPERTY_TRANSITION_DURATION: unshare_transition (animated); gtk_css_take_value (&style->transition->transition_duration, value); break; case GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION: unshare_transition (animated); gtk_css_take_value (&style->transition->transition_timing_function, value); break; case GTK_CSS_PROPERTY_TRANSITION_DELAY: unshare_transition (animated); gtk_css_take_value (&style->transition->transition_delay, value); break; case GTK_CSS_PROPERTY_ANIMATION_NAME: unshare_animation (animated); gtk_css_take_value (&style->animation->animation_name, value); break; case GTK_CSS_PROPERTY_ANIMATION_DURATION: unshare_animation (animated); gtk_css_take_value (&style->animation->animation_duration, value); break; case GTK_CSS_PROPERTY_ANIMATION_TIMING_FUNCTION: unshare_animation (animated); gtk_css_take_value (&style->animation->animation_timing_function, value); break; case GTK_CSS_PROPERTY_ANIMATION_ITERATION_COUNT: unshare_animation (animated); gtk_css_take_value (&style->animation->animation_iteration_count, value); break; case GTK_CSS_PROPERTY_ANIMATION_DIRECTION: unshare_animation (animated); gtk_css_take_value (&style->animation->animation_direction, value); break; case GTK_CSS_PROPERTY_ANIMATION_PLAY_STATE: unshare_animation (animated); gtk_css_take_value (&style->animation->animation_play_state, value); break; case GTK_CSS_PROPERTY_ANIMATION_DELAY: unshare_animation (animated); gtk_css_take_value (&style->animation->animation_delay, value); break; case GTK_CSS_PROPERTY_ANIMATION_FILL_MODE: unshare_animation (animated); gtk_css_take_value (&style->animation->animation_fill_mode, value); break; case GTK_CSS_PROPERTY_OPACITY: unshare_other (animated); gtk_css_take_value (&style->other->opacity, value); break; case GTK_CSS_PROPERTY_FILTER: unshare_other (animated); gtk_css_take_value (&style->other->filter, value); break; case GTK_CSS_PROPERTY_CARET_COLOR: unshare_font (animated); gtk_css_take_value (&style->font->caret_color, value); break; case GTK_CSS_PROPERTY_SECONDARY_CARET_COLOR: unshare_font (animated); gtk_css_take_value (&style->font->secondary_caret_color, value); break; case GTK_CSS_PROPERTY_FONT_FEATURE_SETTINGS: unshare_font (animated); gtk_css_take_value (&style->font->font_feature_settings, value); break; case GTK_CSS_PROPERTY_FONT_VARIATION_SETTINGS: unshare_font (animated); gtk_css_take_value (&style->font->font_variation_settings, value); break; default: g_assert_not_reached (); break; } } GtkCssValue * gtk_css_animated_style_get_intrinsic_value (GtkCssAnimatedStyle *style, guint id) { return gtk_css_style_get_value (style->style, id); } static GPtrArray * gtk_css_animated_style_create_dynamic (GPtrArray *animations, GtkCssStyle *style, gint64 timestamp) { guint i; /* XXX: Check animations if they have dynamic values */ for (i = 0; i < GTK_CSS_PROPERTY_N_PROPERTIES; i++) { if (gtk_css_value_is_dynamic (gtk_css_style_get_value (style, i))) { if (!animations) animations = g_ptr_array_new (); g_ptr_array_insert (animations, 0, gtk_css_dynamic_new (timestamp)); break; } } return animations; } /* TRANSITIONS */ typedef struct _TransitionInfo TransitionInfo; struct _TransitionInfo { guint index; /* index into value arrays */ gboolean pending; /* TRUE if we still need to handle it */ }; static void transition_info_add (TransitionInfo infos[GTK_CSS_PROPERTY_N_PROPERTIES], GtkStyleProperty *property, guint index) { if (GTK_IS_CSS_SHORTHAND_PROPERTY (property)) { GtkCssShorthandProperty *shorthand = (GtkCssShorthandProperty *) property; guint len = _gtk_css_shorthand_property_get_n_subproperties (shorthand); guint i; for (i = 0; i < len; i++) { GtkCssStyleProperty *prop = _gtk_css_shorthand_property_get_subproperty (shorthand, i); guint id; if (!_gtk_css_style_property_is_animated ((GtkCssStyleProperty *) prop)) continue; id = _gtk_css_style_property_get_id ((GtkCssStyleProperty *) prop); infos[id].index = index; infos[id].pending = TRUE; } } else { guint id; if (!_gtk_css_style_property_is_animated ((GtkCssStyleProperty *) property)) return; id = _gtk_css_style_property_get_id ((GtkCssStyleProperty *) property); g_assert (id < GTK_CSS_PROPERTY_N_PROPERTIES); infos[id].index = index; infos[id].pending = TRUE; } } static void transition_infos_set (TransitionInfo infos[GTK_CSS_PROPERTY_N_PROPERTIES], GtkCssValue *transitions) { guint i; for (i = 0; i < _gtk_css_array_value_get_n_values (transitions); i++) { GtkStyleProperty *property; GtkCssValue *prop_value; prop_value = _gtk_css_array_value_get_nth (transitions, i); if (g_ascii_strcasecmp (_gtk_css_ident_value_get (prop_value), "all") == 0) { const guint len = _gtk_css_style_property_get_n_properties (); guint j; for (j = 0; j < len; j++) { property = (GtkStyleProperty *)_gtk_css_style_property_lookup_by_id (j); transition_info_add (infos, property, i); } } else { property = _gtk_style_property_lookup (_gtk_css_ident_value_get (prop_value)); if (property) transition_info_add (infos, property, i); } } } static GtkStyleAnimation * gtk_css_animated_style_find_transition (GtkCssAnimatedStyle *style, guint property_id) { guint i; for (i = 0; i < style->n_animations; i ++) { GtkStyleAnimation *animation = style->animations[i]; if (!_gtk_css_transition_is_transition (animation)) continue; if (_gtk_css_transition_get_property ((GtkCssTransition *)animation) == property_id) return animation; } return NULL; } static GPtrArray * gtk_css_animated_style_create_css_transitions (GPtrArray *animations, GtkCssStyle *base_style, gint64 timestamp, GtkCssStyle *source) { TransitionInfo transitions[GTK_CSS_PROPERTY_N_PROPERTIES] = { { 0, } }; GtkCssValue *durations, *delays, *timing_functions; gboolean source_is_animated; guint i; durations = base_style->transition->transition_duration; delays = base_style->transition->transition_delay; timing_functions = base_style->transition->transition_timing_function; if (_gtk_css_array_value_get_n_values (durations) == 1 && _gtk_css_array_value_get_n_values (delays) == 1 && _gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, 0), 100) + _gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, 0), 100) == 0) return animations; transition_infos_set (transitions, base_style->transition->transition_property); source_is_animated = GTK_IS_CSS_ANIMATED_STYLE (source); 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 (source_is_animated) { start = gtk_css_animated_style_get_intrinsic_value ((GtkCssAnimatedStyle *)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 ((GtkCssAnimatedStyle *)source, i); if (animation) { animation = _gtk_style_animation_advance (animation, timestamp); if (!animations) animations = g_ptr_array_new (); g_ptr_array_add (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); if (!animations) animations = g_ptr_array_new (); g_ptr_array_add (animations, animation); } return animations; } static GtkStyleAnimation * gtk_css_animated_style_find_animation (GtkStyleAnimation **animations, guint n_animations, const char *name) { guint i; for (i = 0; i < n_animations; i ++) { GtkStyleAnimation *animation = animations[i]; if (!_gtk_css_animation_is_animation (animation)) continue; if (g_str_equal (_gtk_css_animation_get_name ((GtkCssAnimation *)animation), name)) return animation; } return NULL; } static GPtrArray * gtk_css_animated_style_create_css_animations (GPtrArray *animations, GtkCssStyle *base_style, GtkCssStyle *parent_style, gint64 timestamp, GtkStyleProvider *provider, GtkCssStyle *source) { GtkCssValue *durations, *delays, *timing_functions, *animation_names; GtkCssValue *iteration_counts, *directions, *play_states, *fill_modes; gboolean source_is_animated; guint i; animation_names = base_style->animation->animation_name; if (_gtk_css_array_value_get_n_values (animation_names) == 1) { const char *name = _gtk_css_ident_value_get (_gtk_css_array_value_get_nth (animation_names, 0)); if (g_ascii_strcasecmp (name, "none") == 0) return animations; } durations = base_style->animation->animation_duration; delays = base_style->animation->animation_delay; timing_functions = base_style->animation->animation_timing_function; iteration_counts = base_style->animation->animation_iteration_count; directions = base_style->animation->animation_direction; play_states = base_style->animation->animation_play_state; fill_modes = base_style->animation->animation_fill_mode; source_is_animated = GTK_IS_CSS_ANIMATED_STYLE (source); for (i = 0; i < _gtk_css_array_value_get_n_values (animation_names); i++) { GtkStyleAnimation *animation = NULL; GtkCssKeyframes *keyframes; const char *name; name = _gtk_css_ident_value_get (_gtk_css_array_value_get_nth (animation_names, i)); if (g_ascii_strcasecmp (name, "none") == 0) continue; if (animations) animation = gtk_css_animated_style_find_animation ((GtkStyleAnimation **)animations->pdata, animations->len, name); if (animation) continue; if (source_is_animated) animation = gtk_css_animated_style_find_animation ((GtkStyleAnimation **)GTK_CSS_ANIMATED_STYLE (source)->animations, GTK_CSS_ANIMATED_STYLE (source)->n_animations, name); if (animation) { animation = _gtk_css_animation_advance_with_play_state ((GtkCssAnimation *)animation, timestamp, _gtk_css_play_state_value_get (_gtk_css_array_value_get_nth (play_states, i))); } else { keyframes = gtk_style_provider_get_keyframes (provider, name); if (keyframes == NULL) continue; keyframes = _gtk_css_keyframes_compute (keyframes, provider, base_style, parent_style); 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); } if (!animations) animations = g_ptr_array_sized_new (16); g_ptr_array_add (animations, animation); } return animations; } /* PUBLIC API */ static void gtk_css_animated_style_apply_animations (GtkCssAnimatedStyle *style) { guint i; for (i = 0; i < style->n_animations; i ++) { GtkStyleAnimation *animation = style->animations[i]; _gtk_style_animation_apply_values (animation, style); } } GtkCssStyle * gtk_css_animated_style_new (GtkCssStyle *base_style, GtkCssStyle *parent_style, gint64 timestamp, GtkStyleProvider *provider, GtkCssStyle *previous_style) { GtkCssAnimatedStyle *result; GtkCssStyle *style; GPtrArray *animations = NULL; gtk_internal_return_val_if_fail (GTK_IS_CSS_STYLE (base_style), NULL); gtk_internal_return_val_if_fail (parent_style == NULL || GTK_IS_CSS_STYLE (parent_style), NULL); gtk_internal_return_val_if_fail (GTK_IS_STYLE_PROVIDER (provider), NULL); gtk_internal_return_val_if_fail (previous_style == NULL || GTK_IS_CSS_STYLE (previous_style), NULL); if (timestamp == 0) return g_object_ref (base_style); if (previous_style != NULL) animations = gtk_css_animated_style_create_css_transitions (animations, base_style, timestamp, previous_style); animations = gtk_css_animated_style_create_css_animations (animations, base_style, parent_style, timestamp, provider, previous_style); animations = gtk_css_animated_style_create_dynamic (animations, base_style, timestamp); if (animations == NULL) return g_object_ref (base_style); result = g_object_new (GTK_TYPE_CSS_ANIMATED_STYLE, NULL); result->style = g_object_ref (base_style); result->current_time = timestamp; result->n_animations = animations->len; result->animations = g_ptr_array_free (animations, FALSE); style = (GtkCssStyle *)result; style->core = (GtkCssCoreValues *)gtk_css_values_ref ((GtkCssValues *)base_style->core); style->background = (GtkCssBackgroundValues *)gtk_css_values_ref ((GtkCssValues *)base_style->background); style->border = (GtkCssBorderValues *)gtk_css_values_ref ((GtkCssValues *)base_style->border); style->icon = (GtkCssIconValues *)gtk_css_values_ref ((GtkCssValues *)base_style->icon); style->outline = (GtkCssOutlineValues *)gtk_css_values_ref ((GtkCssValues *)base_style->outline); style->font = (GtkCssFontValues *)gtk_css_values_ref ((GtkCssValues *)base_style->font); style->font_variant = (GtkCssFontVariantValues *)gtk_css_values_ref ((GtkCssValues *)base_style->font_variant); style->animation = (GtkCssAnimationValues *)gtk_css_values_ref ((GtkCssValues *)base_style->animation); style->transition = (GtkCssTransitionValues *)gtk_css_values_ref ((GtkCssValues *)base_style->transition); style->size = (GtkCssSizeValues *)gtk_css_values_ref ((GtkCssValues *)base_style->size); style->other = (GtkCssOtherValues *)gtk_css_values_ref ((GtkCssValues *)base_style->other); gtk_css_animated_style_apply_animations (result); return GTK_CSS_STYLE (result); } GtkCssStyle * gtk_css_animated_style_new_advance (GtkCssAnimatedStyle *source, GtkCssStyle *base_style, gint64 timestamp) { GtkCssAnimatedStyle *result; GtkCssStyle *style; GPtrArray *animations; guint i; gtk_internal_return_val_if_fail (GTK_IS_CSS_ANIMATED_STYLE (source), NULL); gtk_internal_return_val_if_fail (GTK_IS_CSS_STYLE (base_style), NULL); if (timestamp == 0 || timestamp == source->current_time) return g_object_ref (source->style); gtk_internal_return_val_if_fail (timestamp > source->current_time, NULL); animations = NULL; for (i = 0; i < source->n_animations; i ++) { GtkStyleAnimation *animation = source->animations[i]; if (_gtk_style_animation_is_finished (animation)) continue; if (!animations) animations = g_ptr_array_sized_new (16); animation = _gtk_style_animation_advance (animation, timestamp); g_ptr_array_add (animations, animation); } if (animations == NULL) return g_object_ref (source->style); result = g_object_new (GTK_TYPE_CSS_ANIMATED_STYLE, NULL); result->style = g_object_ref (base_style); result->current_time = timestamp; result->n_animations = animations->len; result->animations = g_ptr_array_free (animations, FALSE); style = (GtkCssStyle *)result; style->core = (GtkCssCoreValues *)gtk_css_values_ref ((GtkCssValues *)base_style->core); style->background = (GtkCssBackgroundValues *)gtk_css_values_ref ((GtkCssValues *)base_style->background); style->border = (GtkCssBorderValues *)gtk_css_values_ref ((GtkCssValues *)base_style->border); style->icon = (GtkCssIconValues *)gtk_css_values_ref ((GtkCssValues *)base_style->icon); style->outline = (GtkCssOutlineValues *)gtk_css_values_ref ((GtkCssValues *)base_style->outline); style->font = (GtkCssFontValues *)gtk_css_values_ref ((GtkCssValues *)base_style->font); style->font_variant = (GtkCssFontVariantValues *)gtk_css_values_ref ((GtkCssValues *)base_style->font_variant); style->animation = (GtkCssAnimationValues *)gtk_css_values_ref ((GtkCssValues *)base_style->animation); style->transition = (GtkCssTransitionValues *)gtk_css_values_ref ((GtkCssValues *)base_style->transition); style->size = (GtkCssSizeValues *)gtk_css_values_ref ((GtkCssValues *)base_style->size); style->other = (GtkCssOtherValues *)gtk_css_values_ref ((GtkCssValues *)base_style->other); gtk_css_animated_style_apply_animations (result); return GTK_CSS_STYLE (result); }