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Fix memory leak in message list #4139

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merged 2 commits into from
Sep 14, 2020
Merged

Fix memory leak in message list #4139

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b34c8f9
Move network event handlers to their own methods
danxuliu Sep 11, 2020
bbd0277
Unsubscribe handlers for network events before component destruction
danxuliu Sep 11, 2020
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25 changes: 16 additions & 9 deletions src/components/MessagesList/MessagesList.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ import MessagesGroup from './MessagesGroup/MessagesGroup'
import { fetchMessages, lookForNewMessages } from '../../services/messagesService'
import CancelableRequest from '../../utils/cancelableRequest'
import Axios from '@nextcloud/axios'
import { subscribe } from '@nextcloud/event-bus'
import { subscribe, unsubscribe } from '@nextcloud/event-bus'
import isInLobby from '../../mixins/isInLobby'
import debounce from 'debounce'
import { EventBus } from '../../services/EventBus'
Expand Down Expand Up @@ -233,18 +233,15 @@ export default {
this.scrollToBottom()
EventBus.$on('scrollChatToBottom', this.handleScrollChatToBottomEvent)

subscribe('networkOffline', () => {
console.debug('Canceling message request as we are offline')
this.cancelLookForNewMessages()
})
subscribe('networkOnline', () => {
console.debug('Restarting polling of new chat messages')
this.getNewMessages()
})
subscribe('networkOffline', this.handleNetworkOffline)
subscribe('networkOnline', this.handleNetworkOnline)
},
beforeDestroy() {
EventBus.$off('scrollChatToBottom', this.handleScrollChatToBottomEvent)
this.cancelLookForNewMessages()

unsubscribe('networkOffline', this.handleNetworkOffline)
unsubscribe('networkOnline', this.handleNetworkOnline)
},

methods: {
Expand Down Expand Up @@ -595,6 +592,16 @@ export default {
getFirstKnownMessageId() {
return this.messagesList[0].id.toString()
},

handleNetworkOffline() {
console.debug('Canceling message request as we are offline')
this.cancelLookForNewMessages()
},

handleNetworkOnline() {
console.debug('Restarting polling of new chat messages')
this.getNewMessages()
},
},
}
</script>
Expand Down