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_ 45