src/com/android/settings/display/ColorModePreferenceController.java

/*
 * Copyright (C) 2017 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.settings.display;

import android.content.Context;
import android.hardware.display.ColorDisplayManager;

import androidx.annotation.VisibleForTesting;

import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;

public class ColorModePreferenceController extends BasePreferenceController {

    private ColorDisplayManager mColorDisplayManager;

    public ColorModePreferenceController(Context context, String key) {
        super(context, key);
    }

    @Override
    public int getAvailabilityStatus() {
        return mContext.getSystemService(ColorDisplayManager.class)
                .isDeviceColorManaged()
                && !ColorDisplayManager.areAccessibilityTransformsEnabled(mContext) ?
                AVAILABLE_UNSEARCHABLE : DISABLED_FOR_USER;
    }

    @Override
    public CharSequence getSummary() {
        final int colorMode = getColorDisplayManager().getColorMode();
        if (colorMode == ColorDisplayManager.COLOR_MODE_AUTOMATIC) {
            return mContext.getText(R.string.color_mode_option_automatic);
        }
        if (colorMode == ColorDisplayManager.COLOR_MODE_SATURATED) {
            return mContext.getText(R.string.color_mode_option_saturated);
        }
        if (colorMode == ColorDisplayManager.COLOR_MODE_BOOSTED) {
            return mContext.getText(R.string.color_mode_option_boosted);
        }
        return mContext.getText(R.string.color_mode_option_natural);
    }

    @VisibleForTesting
    ColorDisplayManager getColorDisplayManager() {
        if (mColorDisplayManager == null) {
            mColorDisplayManager = mContext.getSystemService(ColorDisplayManager.class);
        }
        return mColorDisplayManager;
    }
}