| /* |
| * 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.wallpaper.module; |
| |
| import androidx.annotation.IntDef; |
| |
| /** |
| * Provides current status of the network. Abstraction layer above Android's ConnectivityManager |
| * used for testability. |
| */ |
| public interface NetworkStatusNotifier { |
| static int NETWORK_NOT_INITIALIZED = -1; |
| static int NETWORK_NOT_CONNECTED = 0; |
| static int NETWORK_CONNECTED = 1; |
| |
| @NetworkStatus |
| int getNetworkStatus(); |
| |
| /** |
| * Registers a listener on network changes and immediately calls {@code onNetworkChanged} on it |
| * with the current network status. |
| */ |
| void registerListener(Listener listener); |
| |
| void unregisterListener(Listener listener); |
| |
| /** |
| * Possible network statuses . |
| */ |
| @IntDef({ |
| NETWORK_NOT_INITIALIZED, |
| NETWORK_NOT_CONNECTED, |
| NETWORK_CONNECTED |
| }) |
| @interface NetworkStatus { |
| } |
| |
| /** |
| * Listener for network status change notification. |
| */ |
| interface Listener { |
| void onNetworkChanged(@NetworkStatus int newNetworkStatus); |
| } |
| } |