com.pubnub.internal.v2.subscription.SubscriptionImpl.kt Maven / Gradle / Ivy

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package com.pubnub.internal.v2.subscription

import com.pubnub.api.callbacks.Listener
import com.pubnub.api.callbacks.SubscribeCallback
import com.pubnub.api.v2.callbacks.EventListener
import com.pubnub.api.v2.callbacks.handlers.OnChannelMetadataHandler
import com.pubnub.api.v2.callbacks.handlers.OnFileHandler
import com.pubnub.api.v2.callbacks.handlers.OnMembershipHandler
import com.pubnub.api.v2.callbacks.handlers.OnMessageActionHandler
import com.pubnub.api.v2.callbacks.handlers.OnMessageHandler
import com.pubnub.api.v2.callbacks.handlers.OnPresenceHandler
import com.pubnub.api.v2.callbacks.handlers.OnSignalHandler
import com.pubnub.api.v2.callbacks.handlers.OnUuidMetadataHandler
import com.pubnub.api.v2.subscriptions.Subscription
import com.pubnub.api.v2.subscriptions.SubscriptionCursor
import com.pubnub.api.v2.subscriptions.SubscriptionOptions
import com.pubnub.api.v2.subscriptions.SubscriptionSet
import com.pubnub.internal.PubNubImpl
import com.pubnub.internal.callbacks.DelegatingSubscribeCallback
import com.pubnub.internal.managers.AnnouncementCallback
import com.pubnub.internal.v2.callbacks.DelegatingEventListener
import com.pubnub.internal.v2.callbacks.EventEmitterImpl
import com.pubnub.internal.v2.entities.ChannelGroupName
import com.pubnub.internal.v2.entities.ChannelName

class SubscriptionImpl
    @JvmOverloads
    constructor(
        val pubnub: PubNubImpl,
        channels: Set,
        channelGroups: Set,
        options: SubscriptionOptions,
        private val emitterHelper: EmitterHelper = EmitterHelper(),
        eventEmitterFactory: (BaseSubscriptionImpl) -> EventEmitterImpl = { baseSubscriptionImpl ->
            EventEmitterImpl(AnnouncementCallback.Phase.SUBSCRIPTION, baseSubscriptionImpl::accepts)
        },
    ) : Subscription,
        BaseSubscriptionImpl(pubnub.pubNubCore, channels, channelGroups, options, eventEmitterFactory) {
        init {
            emitterHelper.initialize(eventEmitter)
        }

        /**
         * Add a listener.
         *
         * @param listener The listener to be added.
         */
        override fun addListener(listener: EventListener) {
            addListener(DelegatingEventListener(listener))
        }

        /**
         * Create a [SubscriptionSet] that contains both subscriptions.
         *
         * @param subscription the other [Subscription] to add to the [SubscriptionSet]
         */
        override fun plus(subscription: Subscription): SubscriptionSet {
            return pubnub.subscriptionSetOf(setOf(this, subscription))
        }

        override fun subscribe() {
            subscribe(SubscriptionCursor(0))
        }

        override fun removeListener(listener: Listener) {
            when (listener) {
                is SubscribeCallback -> {
                    super.removeListener(DelegatingSubscribeCallback(listener))
                }

                is EventListener -> {
                    super.removeListener(DelegatingEventListener(listener))
                }

                else -> {
                    super.removeListener(listener)
                }
            }
        }

        override fun setOnMessage(onMessageHandler: OnMessageHandler?) {
            emitterHelper.onMessage = onMessageHandler
        }

        override fun setOnSignal(onSignalHandler: OnSignalHandler?) {
            emitterHelper.onSignal = onSignalHandler
        }

        override fun setOnPresence(onPresenceHandler: OnPresenceHandler?) {
            emitterHelper.onPresence = onPresenceHandler
        }

        override fun setOnMessageAction(onMessageActionHandler: OnMessageActionHandler?) {
            emitterHelper.onMessageAction = onMessageActionHandler
        }

        override fun setOnUuidMetadata(onUuidMetadataHandler: OnUuidMetadataHandler?) {
            emitterHelper.onUuid = onUuidMetadataHandler
        }

        override fun setOnChannelMetadata(onChannelMetadataHandler: OnChannelMetadataHandler?) {
            emitterHelper.onChannel = onChannelMetadataHandler
        }

        override fun setOnMembership(onMembershipHandler: OnMembershipHandler?) {
            emitterHelper.onMembership = onMembershipHandler
        }

        override fun setOnFile(onFileHandler: OnFileHandler?) {
            emitterHelper.onFile = onFileHandler
        }
    }