Page actions behave as disableable browser actions when script badges are enabled.

chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/gtk/browser_actions_toolbar_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 219 matching lines @@
     SkBitmap image = extension_->browser_action()->GetIcon(tab_id);
     if (!image.isNull()) {
       GdkPixbuf* previous_gdk_icon = tab_specific_icon_;
       tab_specific_icon_ = gfx::GdkPixbufFromSkBitmap(image);
       SetImage(tab_specific_icon_);
       if (previous_gdk_icon)
         g_object_unref(previous_gdk_icon);
     } else if (default_icon_) {
       SetImage(default_icon_);
     }
+    bool enabled = extension_->browser_action()->GetIsVisible(tab_id);
+    gtk_widget_set_sensitive(button(), enabled ? TRUE : FALSE);

[Evan Stade, 2012/07/13 08:42:44]

just enabled is fine.

[Yoyo Zhou, 2012/07/16 17:45:45]

Done.

+
     gtk_widget_queue_draw(button());
   }
 
   SkBitmap GetIcon() {
     const SkBitmap& image = extension_->browser_action()->GetIcon(
         toolbar_->GetCurrentTabId());
     if (!image.isNull()) {
       return image;
     } else {
       return default_skbitmap_;
@@ skipping 324 matching lines @@
   theme_service_->InitThemesFor(this);
 }
 
 BrowserActionsToolbarGtk::~BrowserActionsToolbarGtk() {
   if (model_)
     model_->RemoveObserver(this);
   button_hbox_.Destroy();
   hbox_.Destroy();
 }
 
-int BrowserActionsToolbarGtk::GetCurrentTabId() {
+int BrowserActionsToolbarGtk::GetCurrentTabId() const {
   TabContents* active_tab = chrome::GetActiveTabContents(browser_);
   if (!active_tab)
     return -1;
 
   return active_tab->restore_tab_helper()->session_id().id();
 }
 
 void BrowserActionsToolbarGtk::Update() {
   for (ExtensionButtonMap::iterator iter = extension_button_map_.begin();
        iter != extension_button_map_.end(); ++iter) {
@@ skipping 186 matching lines @@
 void BrowserActionsToolbarGtk::AnimationEnded(const ui::Animation* animation) {
   gtk_widget_set_size_request(button_hbox_.get(), desired_width_, -1);
   UpdateChevronVisibility();
 }
 
 bool BrowserActionsToolbarGtk::IsCommandIdChecked(int command_id) const {
   return false;
 }
 
 bool BrowserActionsToolbarGtk::IsCommandIdEnabled(int command_id) const {
-  return true;
+  const Extension* extension = model_->GetExtensionByIndex(command_id);
+  return extension->browser_action()->GetIsVisible(GetCurrentTabId());
 }
 
 bool BrowserActionsToolbarGtk::GetAcceleratorForCommandId(
     int command_id,
     ui::Accelerator* accelerator) {
   return false;
 }
 
 void BrowserActionsToolbarGtk::ExecuteCommand(int command_id) {
   const Extension* extension = model_->GetExtensionByIndex(command_id);
@@ skipping 281 matching lines @@
 
   menu->PopupAsContext(gfx::Point(event->x_root, event->y_root),
                        event->time);
   return TRUE;
 }
 
 void BrowserActionsToolbarGtk::OnButtonShowOrHide(GtkWidget* sender) {
   if (!resize_animation_.is_animating())
     UpdateChevronVisibility();
 }