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csstransition: port to progress tracker

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This commit is contained in:
Matt Watson
2016-03-06 22:45:27 -08:00
parent 511f138328
commit 50e057e025
3 changed files with 32 additions and 27 deletions
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5
gtk/gtkcssanimatedstyle.c
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@@ -301,8 +301,9 @@ gtk_css_animated_style_create_css_transitions (GSList *animations,
animation = _gtk_css_transition_new (i,
gtk_css_style_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);
timestamp,
duration * G_USEC_PER_SEC,
delay * G_USEC_PER_SEC);
animations = g_slist_prepend (animations, animation);
}

39
gtk/gtkcsstransition.c
View File

@@ -22,6 +22,7 @@
#include "gtkcsstransitionprivate.h"
#include "gtkcsseasevalueprivate.h"
#include "gtkprogresstrackerprivate.h"
G_DEFINE_TYPE (GtkCssTransition, _gtk_css_transition, GTK_TYPE_STYLE_ANIMATION)
@@ -33,31 +34,33 @@ gtk_css_transition_set_values (GtkStyleAnimation *animation,
GtkCssTransition *transition = GTK_CSS_TRANSITION (animation);
GtkCssValue *value, *end;
double progress;
GtkProgressState state;
end = gtk_css_animated_style_get_intrinsic_value (style, transition->property);
if (transition->start_time >= for_time_us)
gtk_progress_tracker_advance_frame (&transition->tracker, for_time_us);
state = gtk_progress_tracker_get_state (&transition->tracker);
if (state == GTK_PROGRESS_STATE_BEFORE)
value = _gtk_css_value_ref (transition->start);
else if (transition->end_time > for_time_us)
else if (state == GTK_PROGRESS_STATE_DURING)
{
progress = (double) (for_time_us - transition->start_time) / (transition->end_time - transition->start_time);
progress = gtk_progress_tracker_get_progress (&transition->tracker, FALSE);
progress = _gtk_css_ease_value_transform (transition->ease, progress);
value = _gtk_css_value_transition (transition->start,
end,
transition->property,
progress);
if (value == NULL)
value = _gtk_css_value_ref (end);
}
else
value = NULL;
return;
if (value)
{
gtk_css_animated_style_set_animated_value (style, transition->property, value);
_gtk_css_value_unref (value);
}
if (value == NULL)
value = _gtk_css_value_ref (end);
gtk_css_animated_style_set_animated_value (style, transition->property, value);
_gtk_css_value_unref (value);
}
static gboolean
@@ -66,7 +69,7 @@ gtk_css_transition_is_finished (GtkStyleAnimation *animation,
{
GtkCssTransition *transition = GTK_CSS_TRANSITION (animation);
return at_time_us >= transition->end_time;
return gtk_progress_tracker_get_state (&transition->tracker) == GTK_PROGRESS_STATE_AFTER;
}
static gboolean
@@ -75,7 +78,7 @@ gtk_css_transition_is_static (GtkStyleAnimation *animation,
{
GtkCssTransition *transition = GTK_CSS_TRANSITION (animation);
return at_time_us >= transition->end_time;
return gtk_progress_tracker_get_state (&transition->tracker) == GTK_PROGRESS_STATE_AFTER;
}
static void
@@ -111,22 +114,22 @@ GtkStyleAnimation *
_gtk_css_transition_new (guint property,
GtkCssValue *start,
GtkCssValue *ease,
gint64 start_time_us,
gint64 end_time_us)
gint64 timestamp,
gint64 duration_us,
gint64 delay_us)
{
GtkCssTransition *transition;
g_return_val_if_fail (start != NULL, NULL);
g_return_val_if_fail (ease != NULL, NULL);
g_return_val_if_fail (start_time_us <= end_time_us, NULL);
transition = g_object_new (GTK_TYPE_CSS_TRANSITION, NULL);
transition->property = property;
transition->start = _gtk_css_value_ref (start);
transition->ease = _gtk_css_value_ref (ease);
transition->start_time = start_time_us;
transition->end_time = end_time_us;
gtk_progress_tracker_start (&transition->tracker, duration_us, delay_us, 1.0);
gtk_progress_tracker_advance_frame (&transition->tracker, timestamp);
return GTK_STYLE_ANIMATION (transition);
}

15
gtk/gtkcsstransitionprivate.h
View File

@@ -21,6 +21,7 @@
#define __GTK_CSS_TRANSITION_PRIVATE_H__
#include "gtkstyleanimationprivate.h"
#include "gtkprogresstrackerprivate.h"
G_BEGIN_DECLS
@@ -38,11 +39,10 @@ struct _GtkCssTransition
{
GtkStyleAnimation parent;
guint property;
GtkCssValue *start;
GtkCssValue *ease;
gint64 start_time;
gint64 end_time;
guint property;
GtkCssValue *start;
GtkCssValue *ease;
GtkProgressTracker tracker;
};
struct _GtkCssTransitionClass
@@ -55,8 +55,9 @@ GType _gtk_css_transition_get_type (void) G_GNUC_CONST;
GtkStyleAnimation * _gtk_css_transition_new (guint property,
GtkCssValue *start,
GtkCssValue *ease,
gint64 start_time_us,
gint64 end_time_us);
gint64 timestamp,
gint64 duration_us,
gint64 delay_us);
guint _gtk_css_transition_get_property (GtkCssTransition *transition);