firefox/firefox-gtk3-20.patch

diff -up firefox-43.0.3/widget/gtk/gtk3drawing.c.gtk3-20 firefox-43.0.3/widget/gtk/gtk3drawing.c
--- firefox-43.0.3/widget/gtk/gtk3drawing.c.gtk3-20	2015-12-23 23:11:14.000000000 +0100
+++ firefox-43.0.3/widget/gtk/gtk3drawing.c	2016-01-13 16:40:37.940796568 +0100
@@ -17,15 +17,35 @@
 
 #include <math.h>
 
+typedef struct {
+		GtkWidget* 				widget;
+    GtkStyleContext*	styleScrollbar;
+    GtkStyleContext*	styleTrough;
+    GtkStyleContext*	styleSlider;
+} GtkWidgetScrollbar;
+
+typedef struct {
+		GtkWidget* 				widget;
+    GtkStyleContext*	styleButton;
+    GtkStyleContext*	styleCheck;
+    GtkStyleContext*	styleLabel;
+} GtkWidgetToogleBox;
+
+typedef struct {
+		GtkWidget* 				widget;
+    GtkStyleContext*	styleProgress;
+    GtkStyleContext*	styleTrough;
+} GtkWidgetProgressBar;
+
 static GtkWidget* gProtoWindow;
 static GtkWidget* gProtoLayout;
 static GtkWidget* gButtonWidget;
 static GtkWidget* gToggleButtonWidget;
 static GtkWidget* gButtonArrowWidget;
-static GtkWidget* gCheckboxWidget;
-static GtkWidget* gRadiobuttonWidget;
-static GtkWidget* gHorizScrollbarWidget;
-static GtkWidget* gVertScrollbarWidget;
+static GtkWidgetToogleBox gCheckbox;
+static GtkWidgetToogleBox gRadiobutton;
+static GtkWidgetScrollbar gVertScrollbar;
+static GtkWidgetScrollbar gHorizScrollbar;
 static GtkWidget* gSpinWidget;
 static GtkWidget* gHScaleWidget;
 static GtkWidget* gVScaleWidget;
@@ -42,7 +62,7 @@ static GtkWidget* gHandleBoxWidget;
 static GtkWidget* gToolbarWidget;
 static GtkWidget* gFrameWidget;
 static GtkWidget* gStatusbarWidget;
-static GtkWidget* gProgressWidget;
+static GtkWidgetProgressBar gProgressBar;
 static GtkWidget* gTabWidget;
 static GtkWidget* gTooltipWidget;
 static GtkWidget* gMenuBarWidget;
@@ -97,6 +117,33 @@ GetStateFlagsFromGtkWidgetState(GtkWidge
     return stateFlags;
 }
 
+GtkStyleContext *
+moz_gtk_style_create(GtkCssNode *node, GtkStyleContext *parent)
+{
+  GtkWidgetPath *path;
+  GtkStyleContext *context;
+
+  if (parent)
+    path = gtk_widget_path_copy (gtk_style_context_get_path (parent));
+  else
+    path = gtk_widget_path_new ();
+
+  gtk_widget_path_append_type (path, node->type);
+  if (node->name)
+    gtk_widget_path_iter_set_object_name (path, -1, node->name);
+  if (node->class1)
+    gtk_widget_path_iter_add_class (path, -1, node->class1);
+  if (node->class2)
+    gtk_widget_path_iter_add_class (path, -1, node->class2);
+
+  context = gtk_style_context_new ();
+  gtk_style_context_set_path (context, path);
+  gtk_style_context_set_parent (context, parent);
+  gtk_widget_path_unref (path);
+
+  return context;
+}
+
 /* Because we have such an unconventional way of drawing widgets, signal to the GTK theme engine
    that they are drawing for Mozilla instead of a conventional GTK app so they can do any specific
    things they may want to do. */
@@ -195,9 +242,21 @@ ensure_button_arrow_widget()
 static gint
 ensure_checkbox_widget()
 {
-    if (!gCheckboxWidget) {
-        gCheckboxWidget = gtk_check_button_new_with_label("M");
-        setup_widget_prototype(gCheckboxWidget);
+   if (!gCheckbox.widget) {
+        GtkCssNode path[] = {
+    		    { GTK_TYPE_LABEL, "checkbutton", NULL, NULL },
+		        { G_TYPE_NONE, "check", NULL, NULL },
+				    { G_TYPE_NONE, "label", NULL, NULL }
+        };
+
+        gCheckbox.widget = gtk_check_button_new_with_label("M");
+        setup_widget_prototype(gCheckbox.widget);
+
+			  gCheckbox.styleButton = moz_gtk_style_create(&path[0], NULL);
+			  gCheckbox.styleCheck = moz_gtk_style_create(&path[1],
+                                                    gCheckbox.styleButton);
+			  gCheckbox.styleLabel = moz_gtk_style_create(&path[2],
+                                                    gCheckbox.styleButton);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -205,9 +264,21 @@ ensure_checkbox_widget()
 static gint
 ensure_radiobutton_widget()
 {
-    if (!gRadiobuttonWidget) {
-        gRadiobuttonWidget = gtk_radio_button_new_with_label(NULL, "M");
-        setup_widget_prototype(gRadiobuttonWidget);
+    if (!gRadiobutton.widget) {
+        GtkCssNode path[] = {
+		        { GTK_TYPE_LABEL, "radiobutton", NULL, NULL },
+    		    { G_TYPE_NONE, "radio", NULL, NULL },
+    				{ G_TYPE_NONE, "label", NULL, NULL }
+        };
+
+        gRadiobutton.widget = gtk_radio_button_new_with_label(NULL, "M");
+        setup_widget_prototype(gRadiobutton.widget);
+
+        gRadiobutton.styleButton = moz_gtk_style_create(&path[0], NULL);
+        gRadiobutton.styleCheck = moz_gtk_style_create(&path[1],
+                                                       gRadiobutton.styleButton);
+			  gRadiobutton.styleLabel = moz_gtk_style_create(&path[2],
+                                                       gRadiobutton.styleButton);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -215,13 +286,31 @@ ensure_radiobutton_widget()
 static gint
 ensure_scrollbar_widget()
 {
-    if (!gVertScrollbarWidget) {
-        gVertScrollbarWidget = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, NULL);
-        setup_widget_prototype(gVertScrollbarWidget);
-    }
-    if (!gHorizScrollbarWidget) {
-        gHorizScrollbarWidget = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, NULL);
-        setup_widget_prototype(gHorizScrollbarWidget);
+    if (!gVertScrollbar.widget && !gHorizScrollbar.widget) {
+        GtkCssNode path[] = {
+            { GTK_TYPE_SCROLLBAR, "scrollbar", "horizontal", NULL },
+            { GTK_TYPE_SCROLLBAR, "scrollbar", "vertical", NULL },
+            { G_TYPE_NONE, "trough", NULL, NULL },
+            { G_TYPE_NONE, "slider", NULL, NULL }
+        };
+
+        gVertScrollbar.widget = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, NULL);
+        setup_widget_prototype(gVertScrollbar.widget);
+
+		    gVertScrollbar.styleScrollbar = moz_gtk_style_create(path+1, NULL);
+		    gVertScrollbar.styleTrough = moz_gtk_style_create(path+2, 
+                                     		gVertScrollbar.styleScrollbar);
+		    gVertScrollbar.styleSlider = moz_gtk_style_create(path+3, 
+                                     		gVertScrollbar.styleTrough);
+
+        gHorizScrollbar.widget = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, NULL);
+        setup_widget_prototype(gHorizScrollbar.widget);
+
+		    gHorizScrollbar.styleScrollbar = moz_gtk_style_create(path, NULL);
+		    gHorizScrollbar.styleTrough = moz_gtk_style_create(path+2, 
+                                      		gHorizScrollbar.styleScrollbar);
+		    gHorizScrollbar.styleSlider = moz_gtk_style_create(path+3, 
+                                          gHorizScrollbar.styleTrough);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -528,9 +617,18 @@ ensure_tab_widget()
 static gint
 ensure_progress_widget()
 {
-    if (!gProgressWidget) {
-        gProgressWidget = gtk_progress_bar_new();
-        setup_widget_prototype(gProgressWidget);
+    if (!gProgressBar.widget) {
+        GtkCssNode path[] = {
+    		    { GTK_TYPE_LABEL, "progressbar", NULL, NULL },
+		        { G_TYPE_NONE, "trough", NULL, NULL },
+        };
+
+        gProgressBar.widget = gtk_progress_bar_new();
+        setup_widget_prototype(gProgressBar.widget);
+
+        gProgressBar.styleProgress = moz_gtk_style_create(&path[0], NULL);
+	    gProgressBar.styleTrough = moz_gtk_style_create(&path[1],
+                                                        gProgressBar.styleProgress);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -757,7 +855,7 @@ moz_gtk_checkbox_get_metrics(gint* indic
 {
     ensure_checkbox_widget();
 
-    gtk_widget_style_get (gCheckboxWidget,
+    gtk_widget_style_get (gCheckbox.widget,
                           "indicator_size", indicator_size,
                           "indicator_spacing", indicator_spacing,
                           NULL);
@@ -770,7 +868,7 @@ moz_gtk_radio_get_metrics(gint* indicato
 {
     ensure_radiobutton_widget();
 
-    gtk_widget_style_get (gRadiobuttonWidget,
+    gtk_widget_style_get (gRadiobutton.widget,
                           "indicator_size", indicator_size,
                           "indicator_spacing", indicator_spacing,
                           NULL);
@@ -961,15 +1059,14 @@ moz_gtk_toggle_paint(cairo_t *cr, GdkRec
     gint indicator_size, indicator_spacing;
     gint x, y, width, height;
     gint focus_x, focus_y, focus_width, focus_height;
-    GtkWidget *w;
-    GtkStyleContext *style;
+    GtkWidgetToogleBox *w;
 
     if (isradio) {
         moz_gtk_radio_get_metrics(&indicator_size, &indicator_spacing);
-        w = gRadiobuttonWidget;
+        w = &gRadiobutton;
     } else {
         moz_gtk_checkbox_get_metrics(&indicator_size, &indicator_spacing);
-        w = gCheckboxWidget;
+        w = &gCheckbox;
     }
 
     // XXX we should assert rect->height >= indicator_size too
@@ -988,11 +1085,9 @@ moz_gtk_toggle_paint(cairo_t *cr, GdkRec
     focus_width = width + 2 * indicator_spacing;
     focus_height = height + 2 * indicator_spacing;
   
-    style = gtk_widget_get_style_context(w);
-
-    gtk_widget_set_sensitive(w, !state->disabled);
-    gtk_widget_set_direction(w, direction);
-    gtk_style_context_save(style);
+    gtk_widget_set_sensitive(w->widget, !state->disabled);
+    gtk_widget_set_direction(w->widget, direction);
+    gtk_style_context_save(w->styleCheck);
 
     if (selected)
         state_flags |= checkbox_check_state;
@@ -1000,13 +1095,12 @@ moz_gtk_toggle_paint(cairo_t *cr, GdkRec
     if (inconsistent)
         state_flags |= GTK_STATE_FLAG_INCONSISTENT;
 
-    gtk_style_context_set_state(style, state_flags);
+    gtk_style_context_set_state(w->styleCheck, state_flags);
 
     if (isradio) {
-        gtk_style_context_add_class(style, GTK_STYLE_CLASS_RADIO);
-        gtk_render_option(style, cr, x, y, width, height);
+        gtk_render_option(w->styleCheck, cr, x, y, width, height);
         if (state->focused) {
-            gtk_render_focus(style, cr, focus_x, focus_y,
+            gtk_render_focus(w->styleCheck, cr, focus_x, focus_y,
                             focus_width, focus_height);
         }
     }
@@ -1015,15 +1109,14 @@ moz_gtk_toggle_paint(cairo_t *cr, GdkRec
         * 'indeterminate' type on checkboxes. In GTK, the shadow type
         * must also be changed for the state to be drawn.
         */        
-        gtk_style_context_add_class(style, GTK_STYLE_CLASS_CHECK);
-        gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(gCheckboxWidget), inconsistent);
-        gtk_render_check(style, cr, x, y, width, height);        
+        gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(gCheckbox.widget), inconsistent);
+        gtk_render_check(w->styleCheck, cr, x, y, width, height);
         if (state->focused) {
-            gtk_render_focus(style, cr, 
+            gtk_render_focus(w->styleCheck, cr,
                              focus_x, focus_y, focus_width, focus_height);
         }
     }
-    gtk_style_context_restore(style);
+    gtk_style_context_restore(w->styleCheck);
 
     return MOZ_GTK_SUCCESS;
 }
@@ -1109,9 +1202,9 @@ moz_gtk_scrollbar_button_paint(cairo_t *
     ensure_scrollbar_widget();
 
     if (flags & MOZ_GTK_STEPPER_VERTICAL)
-        scrollbar = gVertScrollbarWidget;
+        scrollbar = gVertScrollbar.widget;
     else
-        scrollbar = gHorizScrollbarWidget;
+        scrollbar = gHorizScrollbar.widget;
 
     gtk_widget_set_direction(scrollbar, direction);
 
@@ -1177,26 +1270,22 @@ moz_gtk_scrollbar_trough_paint(GtkThemeW
                                GtkTextDirection direction)
 {
     GtkStyleContext* style;
-    GtkScrollbar *scrollbar;
-
     ensure_scrollbar_widget();
 
-    if (widget ==  MOZ_GTK_SCROLLBAR_TRACK_HORIZONTAL)
-        scrollbar = GTK_SCROLLBAR(gHorizScrollbarWidget);
-    else
-        scrollbar = GTK_SCROLLBAR(gVertScrollbarWidget);
-
-    gtk_widget_set_direction(GTK_WIDGET(scrollbar), direction);
+    if (widget ==  MOZ_GTK_SCROLLBAR_TRACK_HORIZONTAL) {
+        gtk_widget_set_direction(GTK_WIDGET(gHorizScrollbar.widget), direction);
+        style = gHorizScrollbar.styleTrough;
+    }
+    else {
+        gtk_widget_set_direction(GTK_WIDGET(gVertScrollbar.widget), direction);
+        style = gVertScrollbar.styleTrough;
+    }
     
     if (flags & MOZ_GTK_TRACK_OPAQUE) {
         style = gtk_widget_get_style_context(GTK_WIDGET(gProtoWindow));
         gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
     }
 
-    style = gtk_widget_get_style_context(GTK_WIDGET(scrollbar));
-    gtk_style_context_save(style);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH);
-
     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);
 
@@ -1204,7 +1293,6 @@ moz_gtk_scrollbar_trough_paint(GtkThemeW
         gtk_render_focus(style, cr,
                          rect->x, rect->y, rect->width, rect->height);
     }
-    gtk_style_context_restore(style);
     return MOZ_GTK_SUCCESS;
 }
 
@@ -1222,19 +1310,16 @@ moz_gtk_scrollbar_thumb_paint(GtkThemeWi
 
     ensure_scrollbar_widget();
 
-    if (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL)
-        scrollbar = GTK_SCROLLBAR(gHorizScrollbarWidget);
-    else
-        scrollbar = GTK_SCROLLBAR(gVertScrollbarWidget);
-
-    gtk_widget_set_direction(GTK_WIDGET(scrollbar), direction);
-
-    style = gtk_widget_get_style_context(GTK_WIDGET(scrollbar));
-    gtk_style_context_save(style);
+    if (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL) {
+        style = gHorizScrollbar.styleSlider;
+        gtk_widget_set_direction(GTK_WIDGET(gHorizScrollbar.widget), direction);
+    }
+    else {
+        style = gVertScrollbar.styleSlider;
+        gtk_widget_set_direction(GTK_WIDGET(gVertScrollbar.widget), direction);
+    }
 
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_SLIDER);
     gtk_style_context_set_state(style, state_flags);
-
     gtk_style_context_get_margin (style, state_flags, &margin);
 
     gtk_render_slider(style, cr,
@@ -1245,8 +1330,6 @@ moz_gtk_scrollbar_thumb_paint(GtkThemeWi
                      (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL) ?
                      GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL);
 
-    gtk_style_context_restore(style);
-
     return MOZ_GTK_SUCCESS;
 }
 
@@ -1801,29 +1884,27 @@ moz_gtk_container_paint(cairo_t *cr, Gdk
                         gboolean isradio, GtkTextDirection direction)
 {
     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
-    GtkStyleContext* style;
-    GtkWidget *widget;
+    GtkWidgetToogleBox *widget;
 
     if (isradio) {
         ensure_radiobutton_widget();
-        widget = gRadiobuttonWidget;
+        widget = &gRadiobutton;
     } else {
         ensure_checkbox_widget();
-        widget = gCheckboxWidget;
+        widget = &gCheckbox;
     }
-    gtk_widget_set_direction(widget, direction);
+    gtk_widget_set_direction(widget->widget, direction);
 
-    style = gtk_widget_get_style_context(widget);
-    gtk_style_context_save(style);
-    gtk_style_context_set_state(style, state_flags);
+    gtk_style_context_save(widget->styleButton);
+    gtk_style_context_set_state(widget->styleButton, state_flags);
   
     /* this is for drawing a prelight box */
     if (state_flags & GTK_STATE_FLAG_PRELIGHT) {
-        gtk_render_background(style, cr,
+        gtk_render_background(widget->styleButton, cr,
                               rect->x, rect->y, rect->width, rect->height);
     }
   
-    gtk_style_context_restore(style);
+    gtk_style_context_restore(widget->styleButton);
   
     return MOZ_GTK_SUCCESS;
 }
@@ -1833,32 +1914,25 @@ moz_gtk_toggle_label_paint(cairo_t *cr,
                            GtkWidgetState* state, 
                            gboolean isradio, GtkTextDirection direction)
 {
-    GtkStyleContext *style;
-    GtkWidget *widget;
+    GtkWidgetToogleBox *widget;
 
     if (!state->focused)
         return MOZ_GTK_SUCCESS;
 
     if (isradio) {
         ensure_radiobutton_widget();
-        widget = gRadiobuttonWidget;
+        widget = &gRadiobutton;
     } else {
         ensure_checkbox_widget();
-        widget = gCheckboxWidget;
+        widget = &gCheckbox;
     }
-    style = gtk_widget_get_style_context(widget);
-    gtk_style_context_save(style);
-    if (isradio) {
-      gtk_style_context_add_class(style, GTK_STYLE_CLASS_RADIO);
-    } else {
-      gtk_style_context_add_class(style, GTK_STYLE_CLASS_CHECK);
-    }
-    gtk_widget_set_direction(widget, direction);
+    gtk_style_context_save(widget->styleLabel);
+    gtk_widget_set_direction(widget->widget, direction);
 
-    gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
-    gtk_render_focus(style, cr,
+    gtk_style_context_set_state(widget->styleLabel, GetStateFlagsFromGtkWidgetState(state));
+    gtk_render_focus(widget->styleLabel, cr,
                     rect->x, rect->y, rect->width, rect->height);
-    gtk_style_context_restore(style);
+    gtk_style_context_restore(widget->styleLabel);
 
     return MOZ_GTK_SUCCESS;
 }
@@ -2006,18 +2080,13 @@ static gint
 moz_gtk_progressbar_paint(cairo_t *cr, GdkRectangle* rect,
                           GtkTextDirection direction)
 {
-    GtkStyleContext* style;
-
     ensure_progress_widget();
-    gtk_widget_set_direction(gProgressWidget, direction);
+    gtk_widget_set_direction(gProgressBar.widget, direction);
 
-    style = gtk_widget_get_style_context(gProgressWidget);
-    gtk_style_context_save(style);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH);
-    
-    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);
-    gtk_style_context_restore(style);
+    gtk_render_background(gProgressBar.styleProgress, cr,
+                          rect->x, rect->y, rect->width, rect->height);
+    gtk_render_frame(gProgressBar.styleProgress, cr,
+                     rect->x, rect->y, rect->width, rect->height);
 
     return MOZ_GTK_SUCCESS;
 }
@@ -2027,16 +2096,9 @@ moz_gtk_progress_chunk_paint(cairo_t *cr
                              GtkTextDirection direction,
                              GtkThemeWidgetType widget)
 {
-    GtkStyleContext* style;
-
     ensure_progress_widget();
-    gtk_widget_set_direction(gProgressWidget, direction);
-
-    style = gtk_widget_get_style_context(gProgressWidget);
-    gtk_style_context_save(style);
-    gtk_style_context_remove_class(style, GTK_STYLE_CLASS_TROUGH);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_PROGRESSBAR);
-
+    gtk_widget_set_direction(gProgressBar.widget, direction);
+    
     if (widget == MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE ||
         widget == MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE) {
       /**
@@ -2074,12 +2136,14 @@ moz_gtk_progress_chunk_paint(cairo_t *cr
     // gtk_render_activity was used to render progress chunks on GTK versions
     // before 3.13.7, see bug 1173907.
     if (!gtk_check_version(3, 13, 7)) {
-      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);
+      gtk_render_background(gProgressBar.styleTrough, cr,
+                            rect->x, rect->y, rect->width, rect->height);
+      gtk_render_frame(gProgressBar.styleTrough, cr,
+                       rect->x, rect->y, rect->width, rect->height);
     } else {
-      gtk_render_activity(style, cr, rect->x, rect->y, rect->width, rect->height);
-    }
-    gtk_style_context_restore(style);
+      gtk_render_activity(gProgressBar.styleTrough, cr,
+                          rect->x, rect->y, rect->width, rect->height);
+    }    
 
     return MOZ_GTK_SUCCESS;
 }
@@ -2815,9 +2879,12 @@ moz_gtk_get_widget_border(GtkThemeWidget
         w = gTabWidget;
         break;
     case MOZ_GTK_PROGRESSBAR:
-        ensure_progress_widget();
-        w = gProgressWidget;
-        break;
+        {
+            ensure_progress_widget();
+            moz_gtk_add_style_border(gProgressBar.styleProgress,
+                                     left, top, right, bottom);
+            return MOZ_GTK_SUCCESS;
+        }
     case MOZ_GTK_SPINBUTTON_ENTRY:
     case MOZ_GTK_SPINBUTTON_UP:
     case MOZ_GTK_SPINBUTTON_DOWN:
@@ -2841,12 +2908,13 @@ moz_gtk_get_widget_border(GtkThemeWidget
         {
             if (widget == MOZ_GTK_CHECKBUTTON_CONTAINER) {
                 ensure_checkbox_widget();
-                w = gCheckboxWidget;
+                w = gCheckbox.widget;
+                style = gCheckbox.styleCheck;
             } else {
                 ensure_radiobutton_widget();
-                w = gRadiobuttonWidget;
+                w = gRadiobutton.widget;
+                style = gRadiobutton.styleCheck;
             }
-            style = gtk_widget_get_style_context(w);
 
             *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(w));
             moz_gtk_add_style_border(style,
@@ -3123,7 +3191,7 @@ moz_gtk_get_scrollbar_metrics(MozGtkScro
 {
     ensure_scrollbar_widget();
 
-    gtk_widget_style_get (gHorizScrollbarWidget,
+    gtk_widget_style_get (gHorizScrollbar.widget,
                           "slider_width", &metrics->slider_width,
                           "trough_border", &metrics->trough_border,
                           "stepper_size", &metrics->stepper_size,
@@ -3131,7 +3199,7 @@ moz_gtk_get_scrollbar_metrics(MozGtkScro
                           NULL);
 
     metrics->min_slider_size = 
-        gtk_range_get_min_slider_size(GTK_RANGE(gHorizScrollbarWidget));
+        gtk_range_get_min_slider_size(GTK_RANGE(gHorizScrollbar.widget));
 
     return MOZ_GTK_SUCCESS;
 }
@@ -3377,7 +3445,7 @@ GtkWidget* moz_gtk_get_scrollbar_widget(
 {
     MOZ_ASSERT(is_initialized, "Forgot to call moz_gtk_init()");
     ensure_scrollbar_widget();
-    return gHorizScrollbarWidget;
+    return gHorizScrollbar.widget;
 }
 
 gboolean moz_gtk_has_scrollbar_buttons(void)
@@ -3385,7 +3453,7 @@ gboolean moz_gtk_has_scrollbar_buttons(v
     gboolean backward, forward, secondary_backward, secondary_forward;
     MOZ_ASSERT(is_initialized, "Forgot to call moz_gtk_init()");
     ensure_scrollbar_widget();
-    gtk_widget_style_get (gHorizScrollbarWidget,
+    gtk_widget_style_get (gHorizScrollbar.widget,
                           "has-backward-stepper", &backward,
                           "has-forward-stepper", &forward,
                           "has-secondary-backward-stepper", &secondary_backward,
@@ -3414,10 +3482,10 @@ moz_gtk_shutdown()
     gButtonWidget = NULL;
     gToggleButtonWidget = NULL;
     gButtonArrowWidget = NULL;
-    gCheckboxWidget = NULL;
-    gRadiobuttonWidget = NULL;
-    gHorizScrollbarWidget = NULL;
-    gVertScrollbarWidget = NULL;
+//    gCheckboxWidget = NULL;
+//    gRadiobuttonWidget = NULL;
+//    gHorizScrollbarWidget = NULL;
+//    gVertScrollbarWidget = NULL;
     gSpinWidget = NULL;
     gHScaleWidget = NULL;
     gVScaleWidget = NULL;
@@ -3434,7 +3502,7 @@ moz_gtk_shutdown()
     gToolbarWidget = NULL;
     gStatusbarWidget = NULL;
     gFrameWidget = NULL;
-    gProgressWidget = NULL;
+    //gProgressBar = NULL;
     gTabWidget = NULL;
     gTooltipWidget = NULL;
     gMenuBarWidget = NULL;
diff -up firefox-43.0.3/widget/gtk/gtkdrawing.h.gtk3-20 firefox-43.0.3/widget/gtk/gtkdrawing.h
--- firefox-43.0.3/widget/gtk/gtkdrawing.h.gtk3-20	2015-12-23 23:11:14.000000000 +0100
+++ firefox-43.0.3/widget/gtk/gtkdrawing.h	2016-01-13 14:54:34.231234533 +0100
@@ -67,6 +67,13 @@ typedef enum {
   MOZ_GTK_TAB_SELECTED        = 1 << 10
 } GtkTabFlags;
 
+typedef struct {
+  GType type;
+  const gchar *name;
+  const gchar *class1;
+  const gchar *class2;
+} GtkCssNode;
+
 /** flags for menuitems **/
 typedef enum {
   /* menuitem is part of the menubar */
@@ -464,6 +471,10 @@ gboolean moz_gtk_images_in_buttons(void)
  */
 gboolean moz_gtk_has_scrollbar_buttons(void);
 
+
+GtkStyleContext *
+moz_gtk_style_create(GtkCssNode *node, GtkStyleContext *parent);
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */
diff -up firefox-43.0.3/widget/gtk/mozgtk/mozgtk.c.gtk3-20 firefox-43.0.3/widget/gtk/mozgtk/mozgtk.c
--- firefox-43.0.3/widget/gtk/mozgtk/mozgtk.c.gtk3-20	2015-12-23 23:11:14.000000000 +0100
+++ firefox-43.0.3/widget/gtk/mozgtk/mozgtk.c	2016-01-13 14:54:34.231234533 +0100
@@ -547,6 +547,7 @@ STUB(gtk_style_context_get_border_color)
 STUB(gtk_style_context_get_color)
 STUB(gtk_style_context_get_margin)
 STUB(gtk_style_context_get_padding)
+STUB(gtk_style_context_get_state)
 STUB(gtk_style_context_has_class)
 STUB(gtk_style_context_new)
 STUB(gtk_style_context_remove_class)
@@ -574,6 +575,12 @@ STUB(gtk_color_chooser_get_type)
 STUB(gtk_color_chooser_set_rgba)
 STUB(gtk_color_chooser_get_rgba)
 STUB(gtk_color_chooser_set_use_alpha)
+STUB(gtk_style_context_get_path)
+STUB(gtk_widget_path_copy)
+STUB(gtk_widget_path_iter_set_object_name)
+STUB(gtk_widget_path_iter_add_class)
+STUB(gtk_style_context_set_parent)
+STUB(gtk_widget_path_unref)
 #endif
 
 #ifdef GTK2_SYMBOLS
diff -up firefox-43.0.3/widget/gtk/nsLookAndFeel.cpp.gtk3-20 firefox-43.0.3/widget/gtk/nsLookAndFeel.cpp
--- firefox-43.0.3/widget/gtk/nsLookAndFeel.cpp.gtk3-20	2015-12-23 23:11:14.000000000 +0100
+++ firefox-43.0.3/widget/gtk/nsLookAndFeel.cpp	2016-01-13 14:54:34.232234536 +0100
@@ -983,7 +983,7 @@ nsLookAndFeel::Init()
     style = create_context(path);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_SCROLLBAR);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sMozScrollbar = GDK_RGBA_TO_NS_RGBA(color);
     g_object_unref(style);
 
@@ -991,18 +991,18 @@ nsLookAndFeel::Init()
     style = create_context(path);
     gtk_style_context_save(style);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sMozWindowBackground = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMozWindowText = GDK_RGBA_TO_NS_RGBA(color);
     gtk_style_context_restore(style);
 
     // tooltip foreground and background
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_TOOLTIP);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sInfoBackground = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sInfoText = GDK_RGBA_TO_NS_RGBA(color);
     g_object_unref(style);
 
@@ -1017,20 +1017,26 @@ nsLookAndFeel::Init()
     gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
 
     style = gtk_widget_get_style_context(accel_label);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuText = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_INSENSITIVE, &color);
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, GTK_STATE_FLAG_INSENSITIVE);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuTextInactive = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);
 
     style = gtk_widget_get_style_context(menu);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sMenuBackground = GDK_RGBA_TO_NS_RGBA(color);
 
     style = gtk_widget_get_style_context(menuitem);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, GTK_STATE_FLAG_PRELIGHT);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sMenuHover = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuHoverText = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);
 
     g_object_unref(menu);
 #endif
@@ -1139,44 +1145,53 @@ nsLookAndFeel::Init()
             GDK_COLOR_TO_NS_RGB(style->dark[GTK_STATE_NORMAL]);
     }
 #else
+    GtkCssNode labelPath[] = {
+       { GTK_TYPE_LABEL, "label", "view", NULL },
+       { G_TYPE_NONE, "selection", NULL, NULL }
+    };
+
+    GtkStyleContext *styleLabel;
+    GtkStyleContext *styleSelection;
+
     // Text colors
-    style = gtk_widget_get_style_context(textView);
-    gtk_style_context_save(style);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_VIEW);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    styleLabel = moz_gtk_style_create(labelPath, NULL);
+    styleSelection = moz_gtk_style_create(labelPath+1, styleLabel);
+    gtk_style_context_get_background_color(styleLabel, gtk_style_context_get_state(styleLabel), &color);
     sMozFieldBackground = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(styleLabel, gtk_style_context_get_state(styleLabel), &color);
     sMozFieldText = GDK_RGBA_TO_NS_RGBA(color);
 
     // Selected text and background
-    gtk_style_context_get_background_color(style,
-        static_cast<GtkStateFlags>(GTK_STATE_FLAG_FOCUSED|GTK_STATE_FLAG_SELECTED),
-        &color);
+    gtk_style_context_set_state (styleLabel, GTK_STATE_FLAG_SELECTED);
+    gtk_style_context_get_background_color(styleSelection, gtk_style_context_get_state(styleSelection), &color);
     sTextSelectedBackground = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style,
-        static_cast<GtkStateFlags>(GTK_STATE_FLAG_FOCUSED|GTK_STATE_FLAG_SELECTED),
-        &color);
+    gtk_style_context_get_color(styleSelection, gtk_style_context_get_state(styleSelection), &color);
     sTextSelectedText = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_restore(style);
 
     // Button text, background, border
     style = gtk_widget_get_style_context(label);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sButtonText = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, GTK_STATE_FLAG_PRELIGHT);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sButtonHoverText = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);
 
     // Combobox text color
     style = gtk_widget_get_style_context(comboboxLabel);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sComboBoxText = GDK_RGBA_TO_NS_RGBA(color);
 
     // Menubar text and hover text colors    
     style = gtk_widget_get_style_context(menuBar);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuBarText = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, GTK_STATE_FLAG_PRELIGHT);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuBarHoverText = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);
 
     // GTK's guide to fancy odd row background colors:
     // 1) Check if a theme explicitly defines an odd row color
@@ -1189,7 +1204,7 @@ nsLookAndFeel::Init()
     // Get odd row background color
     gtk_style_context_save(style);
     gtk_style_context_add_region(style, GTK_STYLE_REGION_ROW, GTK_REGION_ODD);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sOddCellBackground = GDK_RGBA_TO_NS_RGBA(color);
     gtk_style_context_restore(style);
 
@@ -1199,7 +1214,7 @@ nsLookAndFeel::Init()
     // TODO GTK3 - update sFrameOuterLightBorder 
     // for GTK_BORDER_STYLE_INSET/OUTSET/GROVE/RIDGE border styles (Bug 978172).
     style = gtk_widget_get_style_context(frame);
-    gtk_style_context_get_border_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_border_color(style, gtk_style_context_get_state(style), &color);
     sFrameInnerDarkBorder = sFrameOuterLightBorder = GDK_RGBA_TO_NS_RGBA(color);
 
     gtk_widget_path_free(path);
@@ -1211,9 +1226,11 @@ nsLookAndFeel::Init()
     gtk_container_add(GTK_CONTAINER(parent), infoBar);
     gtk_container_add(GTK_CONTAINER(infoBarContent), infoBarLabel);
     style = gtk_widget_get_style_context(infoBarLabel);
+    gtk_style_context_save(style);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_INFO);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sInfoBarText = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);
 #endif
     // Some themes have a unified menu bar, and support window dragging on it
     gboolean supports_menubar_drag = FALSE;