forked from AuroraMiddleware/gtk
7224f897d6
This will be useful to not trigger updates all the time when nothing is happening (ie due to animations being paused or due to them having reached their final value).
114 lines
3.5 KiB
C
114 lines
3.5 KiB
C
/*
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* Copyright © 2012 Red Hat Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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*/
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#include "config.h"
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#include "gtkstyleanimationprivate.h"
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G_DEFINE_ABSTRACT_TYPE (GtkStyleAnimation, _gtk_style_animation, G_TYPE_OBJECT)
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static GtkBitmask *
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gtk_style_animation_real_set_values (GtkStyleAnimation *animation,
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GtkBitmask *changed,
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gint64 for_time_us,
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GtkCssComputedValues *values)
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{
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return changed;
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}
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static gboolean
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gtk_style_animation_real_is_finished (GtkStyleAnimation *animation,
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gint64 at_time_us)
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{
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return TRUE;
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}
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static gboolean
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gtk_style_animation_real_is_static (GtkStyleAnimation *animation,
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gint64 at_time_us)
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{
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return FALSE;
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}
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static void
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_gtk_style_animation_class_init (GtkStyleAnimationClass *klass)
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{
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klass->set_values = gtk_style_animation_real_set_values;
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klass->is_finished = gtk_style_animation_real_is_finished;
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klass->is_static = gtk_style_animation_real_is_static;
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}
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static void
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_gtk_style_animation_init (GtkStyleAnimation *animation)
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{
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}
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GtkBitmask *
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_gtk_style_animation_set_values (GtkStyleAnimation *animation,
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GtkBitmask *changed,
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gint64 for_time_us,
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GtkCssComputedValues *values)
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{
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GtkStyleAnimationClass *klass;
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g_return_val_if_fail (GTK_IS_STYLE_ANIMATION (animation), changed);
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g_return_val_if_fail (GTK_IS_CSS_COMPUTED_VALUES (values), changed);
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klass = GTK_STYLE_ANIMATION_GET_CLASS (animation);
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return klass->set_values (animation, changed, for_time_us, values);
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}
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gboolean
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_gtk_style_animation_is_finished (GtkStyleAnimation *animation,
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gint64 at_time_us)
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{
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GtkStyleAnimationClass *klass;
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g_return_val_if_fail (GTK_IS_STYLE_ANIMATION (animation), TRUE);
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klass = GTK_STYLE_ANIMATION_GET_CLASS (animation);
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return klass->is_finished (animation, at_time_us);
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}
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/**
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* _gtk_style_animation_is_static:
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* @animation: The animation to query
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* @at_time_us: The timestamp to query for
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*
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* Checks if @animation will not change its values anymore after
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* @at_time_us. This happens for example when the animation has reached its
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* final value or when it has been paused.
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*
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* Returns: %TRUE if @animation will not change anymore after @at_time_us
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**/
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gboolean
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_gtk_style_animation_is_static (GtkStyleAnimation *animation,
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gint64 at_time_us)
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{
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GtkStyleAnimationClass *klass;
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g_return_val_if_fail (GTK_IS_STYLE_ANIMATION (animation), TRUE);
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klass = GTK_STYLE_ANIMATION_GET_CLASS (animation);
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return klass->is_static (animation, at_time_us);
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}
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