styleprovider: Add query function for keyframes

gtk/gtkcssprovider.c

@@ -1573,6 +1573,15 @@ gtk_css_style_provider_get_color (GtkStyleProviderPrivate *provider,
   return g_hash_table_lookup (css_provider->priv->symbolic_colors, name);
 }
 
+static GtkCssKeyframes *
+gtk_css_style_provider_get_keyframes (GtkStyleProviderPrivate *provider,
+                                      const char              *name)
+{
+  GtkCssProvider *css_provider = GTK_CSS_PROVIDER (provider);
+
+  return g_hash_table_lookup (css_provider->priv->keyframes, name);
+}
+
 static void
 gtk_css_style_provider_lookup (GtkStyleProviderPrivate *provider,
                                const GtkCssMatcher     *matcher,
@@ -1652,6 +1661,7 @@ static void
 gtk_css_style_provider_private_iface_init (GtkStyleProviderPrivateInterface *iface)
 {
   iface->get_color = gtk_css_style_provider_get_color;
+  iface->get_keyframes = gtk_css_style_provider_get_keyframes;
   iface->lookup = gtk_css_style_provider_lookup;
   iface->get_change = gtk_css_style_provider_get_change;
 }

gtk/gtkstylecascade.c

@@ -172,6 +172,30 @@ gtk_style_cascade_get_color (GtkStyleProviderPrivate *provider,
   return NULL;
 }
 
+GtkCssKeyframes *
+gtk_style_cascade_get_keyframes (GtkStyleProviderPrivate *provider,
+                                 const char              *name)
+{
+  GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
+  GtkStyleCascadeIter iter;
+  GtkCssKeyframes *keyframes;
+  GtkStyleProvider *item;
+
+  for (item = gtk_style_cascade_iter_init (cascade, &iter);
+       item;
+       item = gtk_style_cascade_iter_next (cascade, &iter))
+    {
+      if (!GTK_IS_STYLE_PROVIDER_PRIVATE (item))
+        continue;
+          
+      keyframes = _gtk_style_provider_private_get_keyframes (GTK_STYLE_PROVIDER_PRIVATE (item), name);
+      if (keyframes)
+        return keyframes;
+    }
+
+  return NULL;
+}
+
 static void
 gtk_style_cascade_lookup (GtkStyleProviderPrivate *provider,
                           const GtkCssMatcher     *matcher,
@@ -230,6 +254,7 @@ static void
 gtk_style_cascade_provider_private_iface_init (GtkStyleProviderPrivateInterface *iface)
 {
   iface->get_color = gtk_style_cascade_get_color;
+  iface->get_keyframes = gtk_style_cascade_get_keyframes;
   iface->lookup = gtk_style_cascade_lookup;
   iface->get_change = gtk_style_cascade_get_change;
 }

gtk/gtkstyleproviderprivate.c

@@ -60,6 +60,23 @@ _gtk_style_provider_private_get_color (GtkStyleProviderPrivate *provider,
   return iface->get_color (provider, name);
 }
 
+GtkCssKeyframes *
+_gtk_style_provider_private_get_keyframes (GtkStyleProviderPrivate *provider,
+                                           const char              *name)
+{
+  GtkStyleProviderPrivateInterface *iface;
+
+  g_return_val_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider), NULL);
+  g_return_val_if_fail (name != NULL, NULL);
+
+  iface = GTK_STYLE_PROVIDER_PRIVATE_GET_INTERFACE (provider);
+
+  if (!iface->get_keyframes)
+    return NULL;
+
+  return iface->get_keyframes (provider, name);
+}
+
 void
 _gtk_style_provider_private_lookup (GtkStyleProviderPrivate *provider,
                                     const GtkCssMatcher     *matcher,

gtk/gtkstyleproviderprivate.h

@@ -19,6 +19,7 @@
 #define __GTK_STYLE_PROVIDER_PRIVATE_H__
 
 #include <glib-object.h>
+#include "gtk/gtkcsskeyframesprivate.h"
 #include "gtk/gtkcsslookupprivate.h"
 #include "gtk/gtkcssmatcherprivate.h"
 #include <gtk/gtkenums.h>
@@ -41,6 +42,8 @@ struct _GtkStyleProviderPrivateInterface
 
   GtkSymbolicColor *    (* get_color)           (GtkStyleProviderPrivate *provider,
                                                  const char              *name);
+  GtkCssKeyframes *     (* get_keyframes)       (GtkStyleProviderPrivate *provider,
+                                                 const char              *name);
   void                  (* lookup)              (GtkStyleProviderPrivate *provider,
                                                  const GtkCssMatcher     *matcher,
                                                  GtkCssLookup            *lookup);
@@ -55,6 +58,8 @@ GType                   _gtk_style_provider_private_get_type     (void) G_GNUC_C
 
 GtkSymbolicColor *      _gtk_style_provider_private_get_color    (GtkStyleProviderPrivate *provider,
                                                                   const char              *name);
+GtkCssKeyframes *       _gtk_style_provider_private_get_keyframes(GtkStyleProviderPrivate *provider,
+                                                                  const char              *name);
 void                    _gtk_style_provider_private_lookup       (GtkStyleProviderPrivate *provider,
                                                                   const GtkCssMatcher     *matcher,
                                                                   GtkCssLookup            *lookup);