Jon Miranda | 16ea1b1 | 2017-12-12 14:52:48 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package com.android.wallpaper.module; |
| 17 | |
Sunny Goyal | 8600a3f | 2018-08-15 12:48:01 -0700 | [diff] [blame^] | 18 | import androidx.annotation.IntDef; |
Jon Miranda | 16ea1b1 | 2017-12-12 14:52:48 -0800 | [diff] [blame] | 19 | |
| 20 | /** |
| 21 | * Provides current status of the network. Abstraction layer above Android's ConnectivityManager |
| 22 | * used for testability. |
| 23 | */ |
| 24 | public interface NetworkStatusNotifier { |
| 25 | static int NETWORK_NOT_CONNECTED = 0; |
| 26 | static int NETWORK_CONNECTED = 1; |
| 27 | |
| 28 | @NetworkStatus |
| 29 | int getNetworkStatus(); |
| 30 | |
| 31 | /** |
| 32 | * Registers a listener on network changes and immediately calls {@code onNetworkChanged} on it |
| 33 | * with the current network status. |
| 34 | */ |
| 35 | void registerListener(Listener listener); |
| 36 | |
| 37 | void unregisterListener(Listener listener); |
| 38 | |
| 39 | /** |
| 40 | * Possible network statuses . |
| 41 | */ |
| 42 | @IntDef({ |
| 43 | NETWORK_NOT_CONNECTED, |
| 44 | NETWORK_CONNECTED |
| 45 | }) |
| 46 | @interface NetworkStatus { |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Listener for network status change notification. |
| 51 | */ |
| 52 | interface Listener { |
| 53 | void onNetworkChanged(@NetworkStatus int newNetworkStatus); |
| 54 | } |
| 55 | } |