| /* |
| * Copyright (C) 2020 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.systemui.statusbar.notification.people |
| |
| object EmptySubscription : Subscription { |
| override fun unsubscribe() {} |
| } |
| |
| class FakeDataSource<T>( |
| private val data: T, |
| private val subscription: Subscription = EmptySubscription |
| ) : DataSource<T> { |
| override fun registerListener(listener: DataListener<T>): Subscription { |
| listener.onDataChanged(data) |
| return subscription |
| } |
| } |