Whalebird-desktop-client-ma.../src/renderer/components/TimelineSpace/Contents/Local.vue

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<template>
<div id="local">
<div class="unread">{{ unread.length > 0 ? unread.length : '' }}</div>
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<transition-group name="timeline" tag="div">
<div class="local-timeline" v-for="message in timeline" v-bind:key="message.id">
<toot :message="message" v-on:update="updateToot" v-on:delete="deleteToot"></toot>
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</div>
</transition-group>
<div class="loading-card" v-loading="lazyLoading" :element-loading-background="backgroundColor">
</div>
</div>
</template>
<script>
import { mapState } from 'vuex'
import Toot from './Cards/Toot'
export default {
name: 'local',
components: { Toot },
computed: {
...mapState({
timeline: state => state.TimelineSpace.Contents.Local.timeline,
lazyLoading: state => state.TimelineSpace.Contents.Local.lazyLoading,
backgroundColor: state => state.App.theme.background_color,
heading: state => state.TimelineSpace.Contents.Local.heading,
unread: state => state.TimelineSpace.Contents.Local.unreadTimeline
})
},
mounted () {
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document.getElementById('scrollable').addEventListener('scroll', this.onScroll)
},
destroyed () {
this.$store.commit('TimelineSpace/Contents/Local/changeHeading', true)
this.$store.commit('TimelineSpace/Contents/Local/mergeTimeline')
this.$store.commit('TimelineSpace/Contents/Local/archiveTimeline')
if (document.getElementById('scrollable') !== undefined && document.getElementById('scrollable') !== null) {
document.getElementById('scrollable').removeEventListener('scroll', this.onScroll)
document.getElementById('scrollable').scrollTop = 0
}
},
methods: {
updateToot (message) {
this.$store.commit('TimelineSpace/Contents/Local/updateToot', message)
},
deleteToot (message) {
this.$store.commit('TimelineSpace/Contents/Local/deleteToot', message)
},
onScroll (event) {
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if (((event.target.clientHeight + event.target.scrollTop) >= document.getElementById('local').clientHeight - 10) && !this.lazyloading) {
this.$store.dispatch('TimelineSpace/Contents/Local/lazyFetchTimeline', this.timeline[this.timeline.length - 1])
.catch(() => {
this.$message({
message: 'Could not fetch timeline',
type: 'error'
})
})
}
// for unread control
if ((event.target.scrollTop > 10) && this.heading) {
this.$store.commit('TimelineSpace/Contents/Local/changeHeading', false)
} else if ((event.target.scrollTop <= 10) && !this.heading) {
this.$store.commit('TimelineSpace/Contents/Local/changeHeading', true)
this.$store.commit('TimelineSpace/Contents/Local/mergeTimeline')
}
}
}
}
</script>
<style lang="scss" scoped>
#local {
.unread {
position: fixed;
right: 24px;
top: 48px;
background-color: rgba(0, 0, 0, 0.7);
color: #ffffff;
padding: 4px 8px;
border-radius: 0 0 2px 2px;
&:empty {
display: none;
}
}
.loading-card {
height: 60px;
}
.loading-card:empty {
height: 0;
}
}
</style>
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<style src="@/assets/timeline-transition.scss"></style>