[gtk+/wip/cssnode3: 23/88] stylecontext: Move gtk_style_context_validate() to GtkCssWidgetNode



commit 0735a521c530a3d45fb6b719d6f88f767bfae9bc
Author: Benjamin Otte <otte redhat com>
Date:   Mon Feb 2 15:35:08 2015 +0100

    stylecontext: Move gtk_style_context_validate() to GtkCssWidgetNode

 gtk/gtkcsswidgetnode.c       |  104 +++++++++++++++++++++++++++++++++++++--
 gtk/gtkstylecontext.c        |  111 ++----------------------------------------
 gtk/gtkstylecontextprivate.h |    9 ++--
 3 files changed, 107 insertions(+), 117 deletions(-)
---
diff --git a/gtk/gtkcsswidgetnode.c b/gtk/gtkcsswidgetnode.c
index c0ae58a..8c9a271 100644
--- a/gtk/gtkcsswidgetnode.c
+++ b/gtk/gtkcsswidgetnode.c
@@ -20,10 +20,15 @@
 #include "gtkcsswidgetnodeprivate.h"
 
 #include "gtkcontainerprivate.h"
+#include "gtkcssanimatedstyleprivate.h"
 #include "gtkprivate.h"
 #include "gtkstylecontextprivate.h"
 #include "gtkwidgetprivate.h"
 
+/* When these change we do a full restyling. Otherwise we try to figure out
+ * if we need to change things. */
+#define GTK_CSS_RADICAL_CHANGE (GTK_CSS_CHANGE_NAME | GTK_CSS_CHANGE_CLASS | GTK_CSS_CHANGE_SOURCE)
+
 G_DEFINE_TYPE (GtkCssWidgetNode, gtk_css_widget_node, GTK_TYPE_CSS_NODE)
 
 static void
@@ -53,6 +58,23 @@ gtk_css_widget_node_set_invalid (GtkCssNode *node,
   G_GNUC_END_IGNORE_DEPRECATIONS
 }
 
+static gboolean
+gtk_css_style_needs_full_revalidate (GtkCssStyle  *style,
+                                     GtkCssChange  change)
+{
+  /* Try to avoid invalidating if we can */
+  if (change & GTK_CSS_RADICAL_CHANGE)
+    return TRUE;
+
+  if (GTK_IS_CSS_ANIMATED_STYLE (style))
+    style = GTK_CSS_ANIMATED_STYLE (style)->style;
+
+  if (gtk_css_static_style_get_change (GTK_CSS_STATIC_STYLE (style)) & change)
+    return TRUE;
+  else
+    return FALSE;
+}
+
 static GtkBitmask *
 gtk_css_widget_node_validate (GtkCssNode       *node,
                               gint64            timestamp,
@@ -60,6 +82,9 @@ gtk_css_widget_node_validate (GtkCssNode       *node,
                               const GtkBitmask *parent_changes)
 {
   GtkCssWidgetNode *widget_node = GTK_CSS_WIDGET_NODE (node);
+  GtkStyleContext *context;
+  GtkBitmask *changes;
+  GtkCssStyle *style;
 
   change |= widget_node->pending_changes;
   widget_node->pending_changes = 0;
@@ -67,11 +92,80 @@ gtk_css_widget_node_validate (GtkCssNode       *node,
   if (widget_node->widget == NULL)
     return _gtk_bitmask_new ();
 
-  return _gtk_style_context_validate (gtk_widget_get_style_context (widget_node->widget),
-                                      node,
-                                      timestamp,
-                                      change,
-                                      parent_changes);
+  context = gtk_widget_get_style_context (widget_node->widget);
+  style = gtk_css_node_get_style (node);
+  if (style == NULL)
+    style = gtk_css_static_style_get_default ();
+  g_object_ref (style);
+
+  /* Try to avoid invalidating if we can */
+  if (gtk_css_style_needs_full_revalidate (style, change))
+    {
+      GtkCssStyle *new_style, *static_style;
+      GtkCssNode *parent;
+
+      parent = gtk_css_node_get_parent (node);
+
+      static_style = gtk_css_node_create_style (node);
+      new_style = gtk_css_animated_style_new (static_style,
+                                              parent ? gtk_css_node_get_style (parent) : NULL,
+                                              timestamp,
+                                              gtk_css_node_get_style_provider (node),
+                                              gtk_style_context_should_create_transitions (context, style) ? 
style : NULL);
+      
+      gtk_css_node_set_style (node, new_style);
+
+      g_object_unref (static_style);
+      g_object_unref (new_style);
+    }
+  else
+    {
+      if (!_gtk_bitmask_is_empty (parent_changes))
+        {
+          GtkCssStyle *new_values;
+
+          if (GTK_IS_CSS_ANIMATED_STYLE (style))
+            {
+             GtkCssStyle *new_base;
+              
+              new_base = gtk_css_node_update_style (node,
+                                                    GTK_CSS_ANIMATED_STYLE (style)->style,
+                                                    parent_changes);
+              new_values = gtk_css_animated_style_new_advance (GTK_CSS_ANIMATED_STYLE (style),
+                                                               new_base,
+                                                               timestamp);
+              g_object_unref (new_base);
+            }
+          else
+            {
+             new_values = gtk_css_node_update_style (node,
+                                                      style,
+                                                      parent_changes);
+            }
+
+          gtk_css_node_set_style (node, new_values);
+          g_object_unref (new_values);
+        }
+      else if ((change & GTK_CSS_CHANGE_ANIMATE) &&
+               GTK_IS_CSS_ANIMATED_STYLE (style))
+        {
+          GtkCssStyle *new_values;
+
+          new_values = gtk_css_animated_style_new_advance (GTK_CSS_ANIMATED_STYLE (style),
+                                                           GTK_CSS_ANIMATED_STYLE (style)->style,
+                                                           timestamp);
+          gtk_css_node_set_style (node, new_values);
+          g_object_unref (new_values);
+        }
+    }
+
+  changes = gtk_css_style_get_difference (gtk_css_node_get_style (node), style);
+
+  g_object_unref (style);
+
+  gtk_style_context_validate (context, changes);
+
+  return changes;
 }
 
 static GtkWidgetPath *
diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 4249cfa..2314036 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -130,13 +130,6 @@
  * %GTK_STYLE_PROVIDER_PRIORITY_USER priority.
  */
 
-/* When these change we do a full restyling. Otherwise we try to figure out
- * if we need to change things. */
-#define GTK_STYLE_CONTEXT_RADICAL_CHANGE (GTK_CSS_CHANGE_NAME | GTK_CSS_CHANGE_CLASS | GTK_CSS_CHANGE_SOURCE)
-/* When these change we don’t clear the cache. This takes more memory but makes
- * things go faster. */
-#define GTK_STYLE_CONTEXT_CACHED_CHANGE (GTK_CSS_CHANGE_STATE)
-
 typedef struct PropertyValue PropertyValue;
 
 struct PropertyValue
@@ -2589,24 +2582,7 @@ gtk_style_context_do_invalidate (GtkStyleContext  *context,
   priv->invalidating_context = NULL;
 }
 
-static gboolean
-gtk_style_context_style_needs_full_revalidate (GtkCssStyle  *style,
-                                               GtkCssChange  change)
-{
-  /* Try to avoid invalidating if we can */
-  if (change & GTK_STYLE_CONTEXT_RADICAL_CHANGE)
-    return TRUE;
-
-  if (GTK_IS_CSS_ANIMATED_STYLE (style))
-    style = GTK_CSS_ANIMATED_STYLE (style)->style;
-
-  if (gtk_css_static_style_get_change (GTK_CSS_STATIC_STYLE (style)) & change)
-    return TRUE;
-  else
-    return FALSE;
-}
-
-static gboolean
+gboolean
 gtk_style_context_should_create_transitions (GtkStyleContext *context,
                                              GtkCssStyle     *previous_style)
 {
@@ -2636,95 +2612,16 @@ gtk_style_context_should_create_transitions (GtkStyleContext *context,
   return animate;
 }
 
-GtkBitmask *
-_gtk_style_context_validate (GtkStyleContext  *context,
-                             GtkCssNode       *cssnode,
-                             gint64            timestamp,
-                             GtkCssChange      change,
-                             const GtkBitmask *parent_changes)
+void
+gtk_style_context_validate (GtkStyleContext  *context,
+                            const GtkBitmask *changes)
 {
-  GtkStyleContextPrivate *priv;
-  GtkCssStyle *current;
-  GtkBitmask *changes;
-
-  priv = context->priv;
-
-  current = gtk_css_node_get_style (cssnode);
-  if (current == NULL)
-    current = gtk_css_static_style_get_default ();
-  g_object_ref (current);
-
-  /* Try to avoid invalidating if we can */
-  if (gtk_style_context_style_needs_full_revalidate (current, change))
-    {
-      GtkCssStyle *style, *static_style;
-
-      static_style = gtk_css_node_create_style (cssnode);
-      style = gtk_css_animated_style_new (static_style,
-                                          priv->parent ? gtk_style_context_lookup_style (priv->parent) : 
NULL,
-                                          timestamp,
-                                          gtk_css_node_get_style_provider (cssnode),
-                                          gtk_style_context_should_create_transitions (context, current) ? 
current : NULL);
-  
-      gtk_style_context_clear_cache (context);
-
-      gtk_css_node_set_style (cssnode, style);
-
-      g_object_unref (static_style);
-      g_object_unref (style);
-    }
-  else
-    {
-      if (!_gtk_bitmask_is_empty (parent_changes))
-        {
-          GtkCssStyle *new_values;
-
-          if (GTK_IS_CSS_ANIMATED_STYLE (current))
-            {
-             GtkCssStyle *new_base;
-              
-              new_base = gtk_css_node_update_style (cssnode,
-                                                    GTK_CSS_ANIMATED_STYLE (current)->style,
-                                                    parent_changes);
-              new_values = gtk_css_animated_style_new_advance (GTK_CSS_ANIMATED_STYLE (current),
-                                                               new_base,
-                                                               timestamp);
-              g_object_unref (new_base);
-            }
-          else
-            {
-             new_values = gtk_css_node_update_style (cssnode,
-                                                      current,
-                                                      parent_changes);
-            }
-
-          gtk_css_node_set_style (cssnode, new_values);
-          g_object_unref (new_values);
-        }
-      else if (change & GTK_CSS_CHANGE_ANIMATE &&
-          gtk_style_context_is_animating (context))
-        {
-          GtkCssStyle *new_values;
-
-          new_values = gtk_css_animated_style_new_advance (GTK_CSS_ANIMATED_STYLE (current),
-                                                           GTK_CSS_ANIMATED_STYLE (current)->style,
-                                                           timestamp);
-          gtk_css_node_set_style (cssnode, new_values);
-          g_object_unref (new_values);
-        }
-    }
-
   _gtk_style_context_update_animating (context);
 
-  changes = gtk_css_style_get_difference (gtk_css_node_get_style (cssnode), current);
-  g_object_unref (current);
-
   if (!_gtk_bitmask_is_empty (changes))
     gtk_style_context_do_invalidate (context, changes);
 
   gtk_style_context_clear_property_cache (context);
-
-  return changes;
 }
 
 /**
diff --git a/gtk/gtkstylecontextprivate.h b/gtk/gtkstylecontextprivate.h
index c6b57f3..71ed897 100644
--- a/gtk/gtkstylecontextprivate.h
+++ b/gtk/gtkstylecontextprivate.h
@@ -46,11 +46,10 @@ GtkCssValue   * _gtk_style_context_peek_property             (GtkStyleContext *c
 const GValue * _gtk_style_context_peek_style_property        (GtkStyleContext *context,
                                                               GType            widget_type,
                                                               GParamSpec      *pspec);
-GtkBitmask *   _gtk_style_context_validate                   (GtkStyleContext *context,
-                                                              GtkCssNode      *cssnode,
-                                                              gint64           timestamp,
-                                                              GtkCssChange     change,
-                                                              const GtkBitmask*parent_changes);
+gboolean        gtk_style_context_should_create_transitions  (GtkStyleContext *context,
+                                                              GtkCssStyle     *previous_style);
+void            gtk_style_context_validate                   (GtkStyleContext *context,
+                                                              const GtkBitmask*changes);
 gboolean       _gtk_style_context_check_region_name          (const gchar     *str);
 
 gboolean       _gtk_style_context_resolve_color              (GtkStyleContext    *context,


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