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 CHROME_BROWSER_CHROMEOS_EXTENSIONS_EXTENSION_SYSTEM_EVENT_OBSERVER_H_ 6 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_EXTENSION_SYSTEM_EVENT_OBSERVER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/compiler_specific.h" 10 #include "chromeos/dbus/power_manager_client.h" 11 #include "chromeos/dbus/session_manager_client.h" 12 13 namespace chromeos { 14 15 // Dispatches extension events in response to system events. 16 class ExtensionSystemEventObserver : public PowerManagerClient::Observer, 17 public SessionManagerClient::Observer { 18 public: 19 // This class registers/unregisters itself as an observer in ctor/dtor. 20 ExtensionSystemEventObserver(); 21 virtual ~ExtensionSystemEventObserver(); 22 23 // PowerManagerClient::Observer overrides: 24 virtual void BrightnessChanged(int level, bool user_initiated) OVERRIDE; 25 virtual void SuspendDone(const base::TimeDelta& sleep_duration) OVERRIDE; 26 27 // SessionManagerClient::Observer override. 28 virtual void ScreenIsUnlocked() OVERRIDE; 29 30 private: 31 DISALLOW_COPY_AND_ASSIGN(ExtensionSystemEventObserver); 32 }; 33 34 } // namespace chromeos 35 36 #endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_EXTENSION_SYSTEM_EVENT_OBSERVER_H_ 37
