packages/MtpDocumentsProvider/src/com/android/mtp/ServiceIntentSender.java

/*
 * Copyright (C) 2016 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.mtp;

import android.annotation.Nullable;
import android.app.NotificationManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;

/**
 * Sends intent to MtpDocumentsService.
 */
class ServiceIntentSender {
    private Context mContext;

    ServiceIntentSender(Context context) {
        mContext = context;
    }

    /**
     * Notify the change of opened device set.
     * @param record If a new device is opened, pass the device record. If a device is closed, pass
     *     null.
     */
    void sendUpdateNotificationIntent(@Nullable MtpDeviceRecord record) {
        final Intent intent = new Intent(MtpDocumentsService.ACTION_UPDATE_NOTIFICATION);
        intent.setComponent(new ComponentName(mContext, MtpDocumentsService.class));
        final NotificationManager manager = mContext.getSystemService(NotificationManager.class);
        if (record != null) {
            manager.startServiceInForeground(
                    intent,
                    record.deviceId,
                    MtpDocumentsService.createNotification(mContext, record));
        } else {
            mContext.startService(intent);
        }
    }
}