src/com/android/car/settings/applications/assist/ManageAssistEntryPreferenceController.java

/*
 * Copyright (C) 2019 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.car.settings.applications.assist;

import android.car.drivingstate.CarUxRestrictions;
import android.content.ComponentName;
import android.content.Context;

import androidx.annotation.Nullable;
import androidx.preference.Preference;

import com.android.car.settings.applications.defaultapps.DefaultAppEntryBasePreferenceController;
import com.android.car.settings.common.FragmentController;
import com.android.internal.app.AssistUtils;
import com.android.settingslib.applications.DefaultAppInfo;
import com.android.settingslib.wrapper.PackageManagerWrapper;

/**
 * Business logic to show the currently selected default assist.
 */
public class ManageAssistEntryPreferenceController extends
        DefaultAppEntryBasePreferenceController<Preference> {

    private final AssistUtils mAssistUtils;
    private final PackageManagerWrapper mPm;

    public ManageAssistEntryPreferenceController(Context context, String preferenceKey,
            FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
        super(context, preferenceKey, fragmentController, uxRestrictions);
        mAssistUtils = new AssistUtils(context);
        mPm = new PackageManagerWrapper(context.getPackageManager());
    }

    @Override
    protected Class<Preference> getPreferenceType() {
        return Preference.class;
    }

    @Nullable
    protected DefaultAppInfo getCurrentDefaultAppInfo() {
        ComponentName cn = mAssistUtils.getAssistComponentForUser(getCurrentProcessUserId());
        if (cn == null) {
            return null;
        }
        return new DefaultAppInfo(getContext(), mPm, getCurrentProcessUserId(), cn);
    }
}