ExerciseUpdateListenerStub.kt
/*
* Copyright (C) 2021 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 androidx.health.services.client.impl
import androidx.annotation.GuardedBy
import androidx.health.services.client.ExerciseUpdateListener
import androidx.health.services.client.impl.ipc.internal.ListenerKey
import androidx.health.services.client.impl.response.ExerciseLapSummaryResponse
import androidx.health.services.client.impl.response.ExerciseUpdateResponse
import java.util.HashMap
import java.util.concurrent.Executor
/**
* A stub implementation for IExerciseUpdateListener.
*
* @hide
*/
public class ExerciseUpdateListenerStub
private constructor(private val listener: ExerciseUpdateListener, private val executor: Executor) :
IExerciseUpdateListener.Stub() {
public val listenerKey: ListenerKey = ListenerKey(listener)
override fun onExerciseUpdate(response: ExerciseUpdateResponse) {
executor.execute { listener.onExerciseUpdate(response.exerciseUpdate) }
}
override fun onLapSummary(response: ExerciseLapSummaryResponse) {
executor.execute { listener.onLapSummary(response.exerciseLapSummary) }
}
/**
* A class that stores unique active instances of [ExerciseUpdateListener] to ensure same binder
* object is passed by framework to service side of the IPC.
*/
public class ExerciseUpdateListenerCache private constructor() {
@GuardedBy("this")
private val listeners: MutableMap<ExerciseUpdateListener, ExerciseUpdateListenerStub> =
HashMap()
@Synchronized
public fun getOrCreate(
listener: ExerciseUpdateListener,
executor: Executor
): ExerciseUpdateListenerStub {
return listeners.getOrPut(listener) { ExerciseUpdateListenerStub(listener, executor) }
}
@Synchronized
public fun remove(
exerciseUpdateListener: ExerciseUpdateListener
): ExerciseUpdateListenerStub? {
return listeners.remove(exerciseUpdateListener)
}
public companion object {
@JvmField
public val INSTANCE: ExerciseUpdateListenerCache = ExerciseUpdateListenerCache()
}
}
}