[GTK3] Use WidgetCache to get colors at nsLookAndFeel

4 files changed, 38 insertions, 46 deletions

diff --git a/widget/gtk/WidgetStyleCache.cpp b/widget/gtk/WidgetStyleCache.cpp
index 6e5fc669b6..bfb96653f4 100644
--- a/widget/gtk/WidgetStyleCache.cpp
+++ b/widget/gtk/WidgetStyleCache.cpp
@@ -754,6 +754,27 @@ GetWidgetRootStyle(WidgetNodeType aNodeType)
       style = CreateStyleForWidget(gtk_radio_menu_item_new(nullptr),
                                    MOZ_GTK_MENUPOPUP);
       break;
+    case MOZ_GTK_TOOLTIP:
+      if (gtk_check_version(3, 20, 0) != nullptr) {
+          // The tooltip style class is added first in CreateTooltipWidget()
+          // and transfered to style in CreateStyleForWidget().
+          GtkWidget* tooltipWindow = CreateTooltipWidget();
+          style = CreateStyleForWidget(tooltipWindow, nullptr);
+          gtk_widget_destroy(tooltipWindow); // Release GtkWindow self-reference.
+      } else {
+          // We create this from the path because GtkTooltipWindow is not public.
+          style = CreateCSSNode("tooltip", nullptr, GTK_TYPE_TOOLTIP);
+          gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND);
+      }
+      break;
+    case MOZ_GTK_TOOLTIP_BOX:
+      style = CreateStyleForWidget(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0),
+                                   MOZ_GTK_TOOLTIP);
+      break;
+    case MOZ_GTK_TOOLTIP_BOX_LABEL:
+      style = CreateStyleForWidget(gtk_label_new(nullptr),
+                                   MOZ_GTK_TOOLTIP_BOX);
+      break;
     default:
       GtkWidget* widget = GetWidget(aNodeType);
       MOZ_ASSERT(widget);
@@ -844,11 +865,6 @@ GetCssNodeStyleInternal(WidgetNodeType aNodeType)
       style = CreateChildCSSNode("progress",
                                  MOZ_GTK_PROGRESS_TROUGH);
       break;
-    case MOZ_GTK_TOOLTIP:
-      // We create this from the path because GtkTooltipWindow is not public.
-      style = CreateCSSNode("tooltip", nullptr, GTK_TYPE_TOOLTIP);
-      gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND);
-      break; 
     case MOZ_GTK_GRIPPER:
       // TODO - create from CSS node
       return GetWidgetStyleWithClass(MOZ_GTK_GRIPPER,
@@ -980,20 +996,6 @@ GetWidgetStyleInternal(WidgetNodeType aNodeType)
     case MOZ_GTK_PROGRESS_TROUGH:
       return GetWidgetStyleWithClass(MOZ_GTK_PROGRESSBAR,
                                      GTK_STYLE_CLASS_TROUGH);
-    case MOZ_GTK_TOOLTIP: {
-      GtkStyleContext* style = sStyleStorage[aNodeType];
-      if (style)
-        return style;
-
-      // The tooltip style class is added first in CreateTooltipWidget() so
-      // that gtk_widget_path_append_for_widget() in CreateStyleForWidget()
-      // will find it.
-      GtkWidget* tooltipWindow = CreateTooltipWidget();
-      style = CreateStyleForWidget(tooltipWindow, nullptr);
-      gtk_widget_destroy(tooltipWindow); // Release GtkWindow self-reference.
-      sStyleStorage[aNodeType] = style;
-      return style;
-    }
     case MOZ_GTK_GRIPPER:
       return GetWidgetStyleWithClass(MOZ_GTK_GRIPPER,
                                      GTK_STYLE_CLASS_GRIP);
diff --git a/widget/gtk/gtk3drawing.cpp b/widget/gtk/gtk3drawing.cpp
index 48d76a9eec..062a5c006d 100644
--- a/widget/gtk/gtk3drawing.cpp
+++ b/widget/gtk/gtk3drawing.cpp
@@ -1299,6 +1299,7 @@ moz_gtk_tooltip_paint(cairo_t *cr, const GdkRectangle* aRect,
     GdkRectangle rect = *aRect;
     gtk_render_background(style, cr, rect.x, rect.y, rect.width, rect.height);
     gtk_render_frame(style, cr, rect.x, rect.y, rect.width, rect.height);
+    ReleaseStyleContext(style);
 
     // Horizontal Box drawing
     //
@@ -1308,8 +1309,7 @@ moz_gtk_tooltip_paint(cairo_t *cr, const GdkRectangle* aRect,
     // 6px margin.
     // For drawing Horizontal Box we have to inset drawing area by that 6px
     // plus its CSS margin.
-    GtkStyleContext* boxStyle =
-        CreateStyleForWidget(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0), style);
+    GtkStyleContext* boxStyle = ClaimStyleContext(MOZ_GTK_TOOLTIP_BOX, direction);
 
     rect.x += 6;
     rect.y += 6;
@@ -1322,15 +1322,13 @@ moz_gtk_tooltip_paint(cairo_t *cr, const GdkRectangle* aRect,
 
     // Label drawing
     InsetByBorderPadding(&rect, boxStyle);
+    ReleaseStyleContext(boxStyle);
 
     GtkStyleContext* labelStyle =
-        CreateStyleForWidget(gtk_label_new(nullptr), boxStyle);
+        ClaimStyleContext(MOZ_GTK_TOOLTIP_BOX_LABEL, direction);
     moz_gtk_draw_styled_frame(labelStyle, cr, &rect, false);
-    g_object_unref(labelStyle);
-
-    g_object_unref(boxStyle);
+    ReleaseStyleContext(labelStyle);
 
-    ReleaseStyleContext(style);
     return MOZ_GTK_SUCCESS;
 }
 
@@ -2207,7 +2205,6 @@ moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top,
         break;
     case MOZ_GTK_TOOLTIP:
         {
-            style = ClaimStyleContext(MOZ_GTK_TOOLTIP);
             // In GTK 3 there are 6 pixels of additional margin around the box.
             // See details there:
             // https://github.com/GNOME/gtk/blob/5ea69a136bd7e4970b3a800390e20314665aaed2/gtk/ui/gtktooltipwindow.ui#L11
@@ -2216,21 +2213,16 @@ moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top,
             // We also need to add margin/padding/borders from Tooltip content.
             // Tooltip contains horizontal box, where icon and label is put.
             // We ignore icon as long as we don't have support for it.
-            GtkStyleContext* boxStyle =
-                CreateStyleForWidget(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0),
-                                     style);
+            GtkStyleContext* boxStyle = ClaimStyleContext(MOZ_GTK_TOOLTIP_BOX);
             moz_gtk_add_margin_border_padding(boxStyle,
                                               left, top, right, bottom);
+            ReleaseStyleContext(boxStyle);
 
-            GtkStyleContext* labelStyle =
-                CreateStyleForWidget(gtk_label_new(nullptr), boxStyle);
+            GtkStyleContext* labelStyle = ClaimStyleContext(MOZ_GTK_TOOLTIP_BOX_LABEL);
             moz_gtk_add_margin_border_padding(labelStyle,
                                               left, top, right, bottom);
+            ReleaseStyleContext(labelStyle);
 
-            g_object_unref(labelStyle);
-            g_object_unref(boxStyle);
-
-            ReleaseStyleContext(style);
             return MOZ_GTK_SUCCESS;
         }
     case MOZ_GTK_SCROLLBAR_VERTICAL:
diff --git a/widget/gtk/gtkdrawing.h b/widget/gtk/gtkdrawing.h
index 1df8a10ffe..540e381845 100644
--- a/widget/gtk/gtkdrawing.h
+++ b/widget/gtk/gtkdrawing.h
@@ -160,6 +160,10 @@ typedef enum {
   MOZ_GTK_TOOLBAR_SEPARATOR,
   /* Paints a GtkToolTip */
   MOZ_GTK_TOOLTIP,
+   /* Paints a GtkBox from GtkToolTip  */
+  MOZ_GTK_TOOLTIP_BOX,
+  /* Paints a GtkLabel of GtkToolTip */
+  MOZ_GTK_TOOLTIP_BOX_LABEL,
   /* Paints a GtkFrame (e.g. a status bar panel). */
   MOZ_GTK_FRAME,
   /* Paints the border of a GtkFrame */
diff --git a/widget/gtk/nsLookAndFeel.cpp b/widget/gtk/nsLookAndFeel.cpp
index 53430dfbb8..775b529248 100644
--- a/widget/gtk/nsLookAndFeel.cpp
+++ b/widget/gtk/nsLookAndFeel.cpp
@@ -1161,16 +1161,10 @@ nsLookAndFeel::Init()
     style = ClaimStyleContext(MOZ_GTK_TOOLTIP);
     gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
     sInfoBackground = GDK_RGBA_TO_NS_RGBA(color);
-    {
-        GtkStyleContext* boxStyle =
-            CreateStyleForWidget(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0),
-                                 style);
-        GtkStyleContext* labelStyle =
-            CreateStyleForWidget(gtk_label_new(nullptr), boxStyle);
-        gtk_style_context_get_color(labelStyle, GTK_STATE_FLAG_NORMAL, &color);
-        g_object_unref(labelStyle);
-        g_object_unref(boxStyle);
-    }
+    ReleaseStyleContext(style);
+
+    style = ClaimStyleContext(MOZ_GTK_TOOLTIP_BOX_LABEL);
+    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
     sInfoText = GDK_RGBA_TO_NS_RGBA(color);
     ReleaseStyleContext(style);