Index: chrome/browser/chromeos/power/screen_dimming_observer.h |
diff --git a/chrome/browser/chromeos/power/screen_dimming_observer.h b/chrome/browser/chromeos/power/screen_dimming_observer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6f6342f98f318e95de7f97c2437a0666bda402cb |
--- /dev/null |
+++ b/chrome/browser/chromeos/power/screen_dimming_observer.h |
@@ -0,0 +1,32 @@ |
+// 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. |
+ |
+#ifndef CHROME_BROWSER_CHROMEOS_POWER_SCREEN_DIMMING_OBSERVER_H_ |
+#define CHROME_BROWSER_CHROMEOS_POWER_SCREEN_DIMMING_OBSERVER_H_ |
+#pragma once |
+ |
+#include "base/basictypes.h" |
+#include "base/compiler_specific.h" |
+#include "chromeos/dbus/power_manager_client.h" |
+ |
+namespace chromeos { |
+ |
+// Listens for requests to enable or disable dimming of the screen in software |
+// (as opposed to by adjusting a backlight). |
+class ScreenDimmingObserver : public PowerManagerClient::Observer { |
+ public: |
+ // This class registers/unregisters itself as an observer in ctor/dtor. |
+ ScreenDimmingObserver(); |
+ virtual ~ScreenDimmingObserver(); |
+ |
+ private: |
+ // PowerManagerClient::Observer implementation. |
+ virtual void ScreenDimmingRequested(ScreenDimmingState state) OVERRIDE; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ScreenDimmingObserver); |
+}; |
+ |
+} // namespace chromeos |
+ |
+#endif // CHROME_BROWSER_CHROMEOS_POWER_SCREEN_DIMMING_OBSERVER_H_ |