/*
 * Copyright (C) 2023 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.security;

import static com.android.internal.R.string.config_defaultContentProtectionService;

import android.content.ComponentName;
import android.content.Context;
import android.provider.DeviceConfig;
import android.view.contentcapture.ContentCaptureManager;

import androidx.annotation.Nullable;
import androidx.annotation.NonNull;

/** Util class for content protection preference. */
public class ContentProtectionPreferenceUtils {

    /**
     * Whether or not the content protection setting page is available.
     */
    public static boolean isAvailable(@NonNull Context context) {
        if (!settingUiEnabled() || getContentProtectionServiceComponentName(context) == null) {
            return false;
        }
        return true;
    }

    private static String getContentProtectionServiceFlatComponentName(@NonNull Context context) {
        return context.getString(config_defaultContentProtectionService);
    }

    @Nullable
    private static ComponentName getContentProtectionServiceComponentName(@NonNull Context context) {
        String flatComponentName = getContentProtectionServiceFlatComponentName(context);
        if (flatComponentName == null) {
            return null;
        }
        return ComponentName.unflattenFromString(flatComponentName);
    }

    /**
     * Whether or not the content protection UI is enabled.
     */
    private static boolean settingUiEnabled() {
        return DeviceConfig.getBoolean(
                DeviceConfig.NAMESPACE_CONTENT_CAPTURE,
                ContentCaptureManager.DEVICE_CONFIG_PROPERTY_ENABLE_CONTENT_PROTECTION_RECEIVER,
                ContentCaptureManager.DEFAULT_ENABLE_CONTENT_PROTECTION_RECEIVER);
    }
}