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

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Vue
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<template>
<div id="public" v-shortkey="shortcutEnabled ? { next: ['j'] } : {}" @shortkey="handleKey">
<div class="unread">{{ unread.length > 0 ? unread.length : '' }}</div>
<div v-shortkey="{ linux: ['ctrl', 'r'], mac: ['meta', 'r'] }" @shortkey="reload()"></div>
<DynamicScroller :items="timeline" :min-item-size="60" class="scroller" page-mode>
<template v-slot="{ item, index, active }">
<DynamicScrollerItem :item="item" :active="active" :size-dependencies="[item.uri]" :data-index="index">
<toot
:message="item"
:filter="filter"
:focused="item.uri + item.id === focusedId"
:overlaid="modalOpened"
v-on:update="updateToot"
v-on:delete="deleteToot"
@focusNext="focusNext"
@focusPrev="focusPrev"
@focusRight="focusSidebar"
@selectToot="focusToot(item)"
>
</toot>
</DynamicScrollerItem>
</template>
</DynamicScroller>
<div class="loading-card" v-loading="lazyLoading" :element-loading-background="backgroundColor"></div>
<div :class="openSideBar ? 'upper-with-side-bar' : 'upper'" v-show="!heading">
<el-button type="primary" icon="el-icon-arrow-up" @click="upper" circle> </el-button>
</div>
</div>
</template>
<script>
import { mapState, mapGetters } from 'vuex'
import Toot from '~/src/renderer/components/organisms/Toot'
import scrollTop from '../../utils/scroll'
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import reloadable from '~/src/renderer/components/mixins/reloadable'
import { Event } from '~/src/renderer/components/event'
export default {
name: 'public',
components: { Toot },
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mixins: [reloadable],
data() {
return {
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focusedId: null
}
},
computed: {
...mapState('TimelineSpace/Contents/Public', {
timeline: state => state.timeline,
lazyLoading: state => state.lazyLoading,
heading: state => state.heading,
unread: state => state.unreadTimeline,
filter: state => state.filter
}),
...mapState({
openSideBar: state => state.TimelineSpace.Contents.SideBar.openSideBar,
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backgroundColor: state => state.App.theme.background_color,
startReload: state => state.TimelineSpace.HeaderMenu.reload,
unreadNotification: state => state.TimelineSpace.unreadNotification
}),
...mapGetters('TimelineSpace/Modals', ['modalOpened']),
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shortcutEnabled: function () {
if (this.modalOpened) {
return false
}
if (!this.focusedId) {
return true
}
// Sometimes toots are deleted, so perhaps focused toot don't exist.
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const currentIndex = this.timeline.findIndex(toot => this.focusedId === toot.uri + toot.id)
return currentIndex === -1
}
},
async mounted() {
this.$store.commit('TimelineSpace/SideMenu/changeUnreadPublicTimeline', false)
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document.getElementById('scrollable').addEventListener('scroll', this.onScroll)
if (!this.unreadNotification.public) {
this.$store.commit('TimelineSpace/Contents/changeLoading', true)
await this.initialize().finally(_ => {
this.$store.commit('TimelineSpace/Contents/changeLoading', false)
})
}
Event.$on('focus-timeline', () => {
// If focusedId does not change, we have to refresh focusedId because Toot component watch change events.
const previousFocusedId = this.focusedId
this.focusedId = 0
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this.$nextTick(function () {
this.focusedId = previousFocusedId
})
})
},
beforeUpdate() {
if (this.$store.state.TimelineSpace.SideMenu.unreadPublicTimeline && this.heading) {
this.$store.commit('TimelineSpace/SideMenu/changeUnreadPublicTimeline', false)
}
},
beforeDestroy() {
if (!this.unreadNotification.public) {
this.$store.dispatch('TimelineSpace/stopPublicStreaming')
this.$store.dispatch('TimelineSpace/unbindPublicStreaming')
}
Event.$off('focus-timeline')
},
destroyed() {
this.$store.commit('TimelineSpace/Contents/Public/changeHeading', true)
this.$store.commit('TimelineSpace/Contents/Public/mergeTimeline')
this.$store.commit('TimelineSpace/Contents/Public/archiveTimeline')
if (!this.unreadNotification.public) {
this.$store.commit('TimelineSpace/Contents/Public/clearTimeline')
}
if (document.getElementById('scrollable') !== undefined && document.getElementById('scrollable') !== null) {
document.getElementById('scrollable').removeEventListener('scroll', this.onScroll)
document.getElementById('scrollable').scrollTop = 0
}
},
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watch: {
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startReload: function (newState, oldState) {
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if (!oldState && newState) {
this.reload().finally(() => {
this.$store.commit('TimelineSpace/HeaderMenu/changeReload', false)
})
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}
},
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focusedId: function (newState, _oldState) {
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if (newState && this.heading) {
this.$store.commit('TimelineSpace/Contents/Public/changeHeading', false)
} else if (newState === null && !this.heading) {
this.$store.commit('TimelineSpace/Contents/Public/changeHeading', true)
this.$store.commit('TimelineSpace/Contents/Public/mergeTimeline')
}
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}
},
methods: {
async initialize() {
await this.$store.dispatch('TimelineSpace/Contents/Public/fetchPublicTimeline').catch(_ => {
this.$message({
message: this.$t('message.timeline_fetch_error'),
type: 'error'
})
})
await this.$store.dispatch('TimelineSpace/bindPublicStreaming')
this.$store.dispatch('TimelineSpace/startPublicStreaming')
},
updateToot(message) {
this.$store.commit('TimelineSpace/Contents/Public/updateToot', message)
},
deleteToot(message) {
this.$store.commit('TimelineSpace/Contents/Public/deleteToot', message.id)
},
onScroll(event) {
if (event.target.clientHeight + event.target.scrollTop >= document.getElementById('public').clientHeight - 10 && !this.lazyloading) {
this.$store.dispatch('TimelineSpace/Contents/Public/lazyFetchTimeline', this.timeline[this.timeline.length - 1]).catch(() => {
this.$message({
message: this.$t('message.timeline_fetch_error'),
type: 'error'
})
})
}
// for unread control
if (event.target.scrollTop > 10 && this.heading) {
this.$store.commit('TimelineSpace/Contents/Public/changeHeading', false)
} else if (event.target.scrollTop <= 10 && !this.heading) {
this.$store.commit('TimelineSpace/Contents/Public/changeHeading', true)
this.$store.commit('TimelineSpace/Contents/Public/mergeTimeline')
}
},
async reload() {
this.$store.commit('TimelineSpace/changeLoading', true)
try {
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await this.reloadable()
} finally {
this.$store.commit('TimelineSpace/changeLoading', false)
}
},
upper() {
scrollTop(document.getElementById('scrollable'), 0)
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this.focusedId = null
},
focusNext() {
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const currentIndex = this.timeline.findIndex(toot => this.focusedId === toot.uri + toot.id)
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if (currentIndex === -1) {
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this.focusedId = this.timeline[0].uri + this.timeline[0].id
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} else if (currentIndex < this.timeline.length) {
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this.focusedId = this.timeline[currentIndex + 1].uri + this.timeline[currentIndex + 1].id
}
},
focusPrev() {
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const currentIndex = this.timeline.findIndex(toot => this.focusedId === toot.uri + toot.id)
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if (currentIndex === 0) {
this.focusedId = null
} else if (currentIndex > 0) {
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this.focusedId = this.timeline[currentIndex - 1].uri + this.timeline[currentIndex - 1].id
}
},
focusToot(message) {
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this.focusedId = message.uri + message.id
},
focusSidebar() {
Event.$emit('focus-sidebar')
},
handleKey(event) {
switch (event.srcKey) {
case 'next':
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this.focusedId = this.timeline[0].uri + this.timeline[0].id
break
}
}
}
}
</script>
<style lang="scss" scoped>
#public {
.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;
}
.upper {
position: fixed;
bottom: 20px;
right: 20px;
}
.upper-with-side-bar {
position: fixed;
bottom: 20px;
right: calc(20px + var(--current-sidebar-width));
transition: all 0.5s;
}
}
</style>
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<style lang="scss" src="@/assets/timeline-transition.scss"></style>