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/*
* Copyright (C) 2013 The CyanogenMod Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.cyanogenmod.hardware;
/*
* Keyboard backlight brightness adjustment
*
* Exports methods to get the valid value boundaries, the
* default and current backlight brightness, and a method to set
* the backlight brightness.
*
* Values exported by min/max can be the direct values required
* by the hardware, or a local (to KeyboardBacklightBrightness) abstraction
* that's internally converted to something else prior to actual use. The
* Settings user interface will normalize these into a 0-100 (percentage)
* scale before showing them to the user, but all values passed to/from
* the client (Settings) are in this class' scale.
*/
public class KeyboardBacklight {
/*
* All HAF classes should export this boolean.
* Real implementations must, of course, return true
*/
public static boolean isSupported() { return false; }
/*
* Set the keyboard backlight brightness to given integer input. That'll
* be a value between the boundaries set by get(Max|Min)Intensity
* (see below), and it's meant to be locally interpreted/used.
*/
public static boolean setBrightness(int brightness) {
throw new UnsupportedOperationException();
}
/*
* What's the maximum integer value we take for setBrightness()?
*/
public static int getMaxBrightness() {
return -1;
}
/*
* What's the minimum integer value we take for setBrightness()?
*/
public static int getMinBrightness() {
return -1;
}
/*
* What's the current brightness value?
*/
public static int getCurBrightness() {
return -1;
}
/*
* What's the shipping brightness value?
*/
public static int getDefaultBrightness() {
return -1;
}
}
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