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 android.util.Log
import androidx.annotation.GuardedBy
import androidx.health.services.client.ExerciseUpdateListener
import androidx.health.services.client.data.Availability
import androidx.health.services.client.data.DataType
import androidx.health.services.client.data.ExerciseLapSummary
import androidx.health.services.client.data.ExerciseUpdate
import androidx.health.services.client.impl.event.ExerciseUpdateListenerEvent
import androidx.health.services.client.impl.ipc.internal.ListenerKey
import androidx.health.services.client.proto.EventsProto
import androidx.health.services.client.proto.EventsProto.ExerciseUpdateListenerEvent.EventCase
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 onExerciseUpdateListenerEvent(event: ExerciseUpdateListenerEvent) {
executor.execute { triggerListener(event.proto) }
}
private fun triggerListener(proto: EventsProto.ExerciseUpdateListenerEvent) {
when (proto.eventCase) {
EventCase.EXERCISE_UPDATE_RESPONSE ->
listener.onExerciseUpdate(
ExerciseUpdate(proto.exerciseUpdateResponse.exerciseUpdate)
)
EventCase.LAP_SUMMARY_RESPONSE ->
listener.onLapSummary(ExerciseLapSummary(proto.lapSummaryResponse.lapSummary))
EventCase.AVAILABILITY_RESPONSE ->
listener.onAvailabilityChanged(
DataType(proto.availabilityResponse.dataType),
Availability.fromProto(proto.availabilityResponse.availability)
)
null, EventCase.EVENT_NOT_SET -> Log.w(TAG, "Received unknown event ${proto.eventCase}")
}
}
/**
* 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()
}
}
private companion object {
val TAG = "ExerciseUpdateListener"
}
}