content/browser/theme_helper_mac.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_THEME_HELPER_MAC_H_
   6 #define CONTENT_BROWSER_THEME_HELPER_MAC_H_
   7
   8 #include "base/memory/singleton.h"
   9 #include "content/public/browser/notification_observer.h"
  10 #include "content/public/browser/notification_registrar.h"
  11
  12 namespace content {
  13
  14 class ThemeHelperMac : public NotificationObserver {
  15  public:
  16   // Return pointer to the singleton instance for the current process, or NULL
  17   // if none.
  18   static ThemeHelperMac* GetInstance();
  19
  20   static void SendThemeChangeToAllRenderers(
  21       float initial_button_delay,
  22       float autoscroll_button_delay,
  23       bool jump_on_track_click,
  24       bool redraw);
  25
  26  private:
  27   friend struct DefaultSingletonTraits<ThemeHelperMac>;
  28
  29   ThemeHelperMac();
  30   virtual ~ThemeHelperMac();
  31
  32   // Overridden from NotificationObserver:
  33   virtual void Observe(int type,
  34                        const NotificationSource& source,
  35                        const NotificationDetails& details) OVERRIDE;
  36
  37   NotificationRegistrar registrar_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(ThemeHelperMac);
  40 };
  41
  42 }  // namespace content
  43
  44 #endif  // CONTENT_BROWSER_THEME_HELPER_MAC_H_