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stylecontext: Refactor the way animations are started and stopped

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We now create animation objects unconditionally, but we only run the
animation loop when gtk_style_context_should_animate() return TRUE.
This commit is contained in:
Benjamin Otte 2012-09-17 11:22:06 +02:00
parent 13cbd22d17
commit 7712d41b5e
3 changed files with 51 additions and 68 deletions
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108
gtk/gtkstylecontext.c
View File

@ -402,6 +402,7 @@ static void gtk_style_context_impl_get_property (GObject *object,
static GtkSymbolicColor *
gtk_style_context_color_lookup_func (gpointer contextp,
const char *name);
static StyleData *style_data_lookup (GtkStyleContext *context);
G_DEFINE_TYPE (GtkStyleContext, gtk_style_context, G_TYPE_OBJECT)
@ -809,6 +810,41 @@ gtk_style_context_start_animating (GtkStyleContext *context)
}
}
static gboolean
gtk_style_context_should_animate (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
StyleData *data;
gboolean animate;
priv = context->priv;
if (priv->widget == NULL)
return FALSE;
if (!gtk_widget_get_mapped (priv->widget))
return FALSE;
data = style_data_lookup (context);
if (!style_data_is_animating (data))
return FALSE;
g_object_get (gtk_widget_get_settings (context->priv->widget),
"gtk-enable-animations", &animate,
NULL);
return animate;
}
void
_gtk_style_context_update_animating (GtkStyleContext *context)
{
if (gtk_style_context_should_animate (context))
gtk_style_context_start_animating (context);
else
gtk_style_context_stop_animating (context);
}
static void
gtk_style_context_finalize (GObject *object)
{
@ -818,7 +854,7 @@ gtk_style_context_finalize (GObject *object)
style_context = GTK_STYLE_CONTEXT (object);
priv = style_context->priv;
_gtk_style_context_stop_animations (style_context);
gtk_style_context_stop_animating (style_context);
/* children hold a reference to us */
g_assert (priv->children == NULL);
@ -1096,7 +1132,7 @@ _gtk_style_context_set_widget (GtkStyleContext *context,
context->priv->widget = widget;
_gtk_style_context_stop_animations (context);
_gtk_style_context_update_animating (context);
_gtk_style_context_queue_invalidate (context, GTK_CSS_CHANGE_ANY_SELF);
}
@ -2986,19 +3022,6 @@ gtk_style_context_do_invalidate (GtkStyleContext *context)
priv->invalidating_context = FALSE;
}
void
_gtk_style_context_stop_animations (GtkStyleContext *context)
{
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
if (!gtk_style_context_is_animating (context))
return;
style_info_set_data (context->priv->info, NULL);
gtk_style_context_stop_animating (context);
}
static GtkBitmask *
gtk_style_context_update_animations (GtkStyleContext *context,
gint64 timestamp)
@ -3012,58 +3035,11 @@ gtk_style_context_update_animations (GtkStyleContext *context,
timestamp);
if (_gtk_css_computed_values_is_static (style_data->store))
_gtk_style_context_stop_animations (context);
_gtk_style_context_update_animating (context);
return differences;
}
static gboolean
gtk_style_context_should_animate (GtkStyleContext *context)
{
GtkStyleContextPrivate *priv;
gboolean animate;
priv = context->priv;
if (priv->widget == NULL)
return FALSE;
if (!gtk_widget_get_mapped (priv->widget))
return FALSE;
g_object_get (gtk_widget_get_settings (context->priv->widget),
"gtk-enable-animations", &animate,
NULL);
return animate;
}
static void
gtk_style_context_create_animations (GtkStyleContext *context,
GtkCssComputedValues *values,
GtkCssComputedValues *previous,
gint64 timestamp)
{
if (!gtk_style_context_should_animate (context))
{
gtk_style_context_stop_animating (context);
return;
}
_gtk_css_computed_values_create_animations (values,
timestamp,
previous,
context);
if (_gtk_css_computed_values_is_static (values))
{
gtk_style_context_stop_animating (context);
return;
}
gtk_style_context_start_animating (context);
}
static gboolean
gtk_style_context_needs_full_revalidate (GtkStyleContext *context,
GtkCssChange change)
@ -3166,11 +3142,15 @@ _gtk_style_context_validate (GtkStyleContext *context,
data = style_data_lookup (context);
gtk_style_context_create_animations (context, data->store, current->store, timestamp);
_gtk_css_computed_values_create_animations (data->store,
timestamp,
current->store,
context);
if (_gtk_css_computed_values_is_static (data->store))
change &= ~GTK_CSS_CHANGE_ANIMATE;
else
change |= GTK_CSS_CHANGE_ANIMATE;
_gtk_style_context_update_animating (context);
changes = _gtk_css_computed_values_get_difference (data->store, current->store);

2
gtk/gtkstylecontextprivate.h
View File

@ -61,7 +61,7 @@ void _gtk_style_context_get_cursor_color (GtkStyleContext
GtkStyleProviderPrivate *
_gtk_style_context_get_style_provider (GtkStyleContext *context);
void _gtk_style_context_stop_animations (GtkStyleContext *context);
void _gtk_style_context_update_animating (GtkStyleContext *context);
G_END_DECLS

9
gtk/gtkwidget.c
View File

@ -4156,9 +4156,6 @@ gtk_widget_real_hide (GtkWidget *widget)
if (gtk_widget_get_mapped (widget))
gtk_widget_unmap (widget);
if (widget->priv->context)
_gtk_style_context_stop_animations (widget->priv->context);
}
}
@ -10371,6 +10368,9 @@ gtk_widget_real_map (GtkWidget *widget)
if (gtk_widget_get_has_window (widget))
gdk_window_show (priv->window);
if (widget->priv->context)
_gtk_style_context_update_animating (widget->priv->context);
}
}
@ -10393,6 +10393,9 @@ gtk_widget_real_unmap (GtkWidget *widget)
if (gtk_widget_get_has_window (widget))
gdk_window_hide (priv->window);
if (widget->priv->context)
_gtk_style_context_update_animating (widget->priv->context);
}
}