app_Settings/src/com/android/settings/backup/BackupDataPreferenceController.java

/*
 * Copyright (C) 2018 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.backup;

import android.content.Context;

import androidx.preference.Preference;

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

public class BackupDataPreferenceController extends BasePreferenceController {
    private PrivacySettingsConfigData mPSCD;

    public BackupDataPreferenceController(Context context, String key) {
        super(context, key);
        mPSCD = PrivacySettingsConfigData.getInstance();
    }

    @Override
    public int getAvailabilityStatus() {
        if (!PrivacySettingsUtils.isAdminUser(mContext)) {
            return DISABLED_FOR_USER;
        }
        if (PrivacySettingsUtils.isInvisibleKey(mContext, PrivacySettingsUtils.BACKUP_DATA)) {
            return UNSUPPORTED_ON_DEVICE;
        }
        return AVAILABLE;
    }

    @Override
    public void updateState(Preference preference) {
        super.updateState(preference);
        if (mPSCD.isBackupGray()) {
            preference.setEnabled(false);
        }
    }

    @Override
    public CharSequence getSummary() {
        if (!mPSCD.isBackupGray()) {
            return mPSCD.isBackupEnabled()
                    ? mContext.getText(R.string.accessibility_feature_state_on)
                    : mContext.getText(R.string.accessibility_feature_state_off);
        }
        return null;
    }
}