Display a banner above each panel that contains managed options....

chrome/browser/dom_ui/options_managed_banner_handler.h

+// Copyright (c) 2010 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.
+
+#ifndef CHROME_BROWSER_DOM_UI_OPTIONS_MANAGED_BANNER_HANDLER_H_
+#define CHROME_BROWSER_DOM_UI_OPTIONS_MANAGED_BANNER_HANDLER_H_
+#pragma once
+
+#include "chrome/browser/managed_prefs_banner_base.h"
+#include "chrome/browser/options_window.h"
+
+class DOMUI;
+
+// Managed options banner handler.
+// Controls the display of a banner if an options panel contains options
+// that are under administator control.
+class OptionsManagedBannerHandler : public ManagedPrefsBannerBase {
+ public:
+  OptionsManagedBannerHandler(DOMUI* dom_ui, const string16& page_name,
+                              OptionsPage page);
+  virtual ~OptionsManagedBannerHandler() { }
+
+ protected:
+  // ManagedPrefsBannerBase implementation.
+  virtual void OnUpdateVisibility();
+
+ private:
+  // Set the managed options banner to be visible or invisible.
+  void SetupBannerVisibilty();
+
+  DOMUI* dom_ui_;  // weak reference to the dom-ui.
+  string16 page_name_;  // current options page name.
+  OptionsPage page_;  // current options page value.
+
+  DISALLOW_COPY_AND_ASSIGN(OptionsManagedBannerHandler);
+};
+
+#endif  // CHROME_BROWSER_DOM_UI_OPTIONS_MANAGED_BANNER_HANDLER_H_
+