1 // Copyright (c) 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 // Use the <code>chrome.power</code> API to override the system's power 6 // management features. 7 namespace power { 8 [noinline_doc] enum Level { 9 // Prevent the system from sleeping in response to user inactivity. 10 system, 11 12 // Prevent the display from being turned off or dimmed or the system 13 // from sleeping in response to user inactivity. 14 display 15 }; 16 17 interface Functions { 18 // Requests that power management be temporarily disabled. |level| 19 // describes the degree to which power management should be disabled. 20 // If a request previously made by the same app is still active, it 21 // will be replaced by the new request. 22 static void requestKeepAwake(Level level); 23 24 // Releases a request previously made via requestKeepAwake(). 25 static void releaseKeepAwake(); 26 }; 27 }; 28