forked from GitHub-Mirror/riotX-android
99 lines
2.6 KiB
Kotlin
99 lines
2.6 KiB
Kotlin
/*
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* Copyright 2019 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package im.vector.matrix.android.internal.network
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import android.content.Context
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import com.novoda.merlin.Merlin
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import com.novoda.merlin.MerlinsBeard
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import im.vector.matrix.android.internal.di.MatrixScope
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import timber.log.Timber
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import java.util.*
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import javax.inject.Inject
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import kotlin.collections.ArrayList
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import kotlin.coroutines.resume
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import kotlin.coroutines.suspendCoroutine
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@MatrixScope
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internal class NetworkConnectivityChecker @Inject constructor(context: Context) {
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private val merlin = Merlin.Builder()
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.withConnectableCallbacks()
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.withDisconnectableCallbacks()
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.build(context)
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private val merlinsBeard = MerlinsBeard.Builder().build(context)
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private val listeners = Collections.synchronizedList(ArrayList<Listener>())
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init {
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merlin.bind()
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merlin.registerDisconnectable {
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Timber.v("On Disconnect")
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val localListeners = listeners.toList()
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localListeners.forEach {
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it.onDisconnect()
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}
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}
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merlin.registerConnectable {
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Timber.v("On Connect")
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val localListeners = listeners.toList()
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localListeners.forEach {
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it.onConnect()
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}
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}
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}
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suspend fun waitUntilConnected() {
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if (isConnected()) {
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return
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} else {
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suspendCoroutine<Unit> { continuation ->
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register(object : Listener {
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override fun onConnect() {
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unregister(this)
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continuation.resume(Unit)
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}
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})
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}
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}
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}
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fun register(listener: Listener) {
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listeners.add(listener)
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}
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fun unregister(listener: Listener) {
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listeners.remove(listener)
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}
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fun isConnected(): Boolean {
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return merlinsBeard.isConnected
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}
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interface Listener {
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fun onConnect() {
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}
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fun onDisconnect() {
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}
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}
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}
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