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/*
* Copyright (C) 2015 The CyanogenMod Project
* Copyright (C) 2018 The LineageOS 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.lineageos.hardware;
import lineageos.hardware.DisplayMode;
/**
* Display Modes API
*
* A device may implement a list of preset display modes for different
* viewing intents, such as movies, photos, or extra vibrance. These
* modes may have multiple components such as gamma correction, white
* point adjustment, etc, but are activated by a single control point.
*
* This API provides support for enumerating and selecting the
* modes supported by the hardware.
*/
public class DisplayModeControl {
/**
* All HAF classes should export this boolean.
* Real implementations must, of course, return true
*/
public static boolean isSupported() {
return false;
}
/**
* Get the list of available modes. A mode has an integer
* identifier and a string name.
*
* It is the responsibility of the upper layers to
* map the name to a human-readable format or perform translation.
*/
public static DisplayMode[] getAvailableModes() {
return new DisplayMode[0];
}
/**
* Get the name of the currently selected mode. This can return
* null if no mode is selected.
*/
public static DisplayMode getCurrentMode() {
return null;
}
/**
* Selects a mode from the list of available modes by it's
* string identifier. Returns true on success, false for
* failure. It is up to the implementation to determine
* if this mode is valid.
*/
public static boolean setMode(DisplayMode mode, boolean makeDefault) {
return false;
}
/**
* Gets the preferred default mode for this device by it's
* string identifier. Can return null if there is no default.
*/
public static DisplayMode getDefaultMode() {
return null;
}
}
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