android-34/com/android/server/display/brightness/strategy/BoostBrightnessStrategy.java

/*
 * Copyright (C) 2022 The Android Open Source 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 com.android.server.display.brightness.strategy;

import android.hardware.display.DisplayManagerInternal;
import android.os.PowerManager;

import com.android.server.display.DisplayBrightnessState;
import com.android.server.display.brightness.BrightnessReason;
import com.android.server.display.brightness.BrightnessUtils;

/**
 * Manages the brightness of the display when the system brightness boost is requested.
 */
public class BoostBrightnessStrategy implements DisplayBrightnessStrategy {

    public BoostBrightnessStrategy() {
    }

    // Set the brightness to the maximum value when display brightness boost is requested
    @Override
    public DisplayBrightnessState updateBrightness(
            DisplayManagerInternal.DisplayPowerRequest displayPowerRequest) {
        // Todo(b/241308599): Introduce a validator class and add validations before setting
        // the brightness
        DisplayBrightnessState displayBrightnessState =
                BrightnessUtils.constructDisplayBrightnessState(BrightnessReason.REASON_BOOST,
                        PowerManager.BRIGHTNESS_MAX,
                        PowerManager.BRIGHTNESS_MAX, getName());
        return displayBrightnessState;
    }

    @Override
    public String getName() {
        return "BoostBrightnessStrategy";
    }
}