326 lines
11 KiB
Vue
326 lines
11 KiB
Vue
<template>
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<div name="list" class="list-timeline">
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<div></div>
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<DynamicScroller :items="timeline" :min-item-size="86" id="scroller" class="scroller" ref="scroller">
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<template v-slot="{ item, index, active }">
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<DynamicScrollerItem :item="item" :active="active" :size-dependencies="[item.uri]" :data-index="index" :watchData="true">
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<toot
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:message="item"
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:focused="item.uri + item.id === focusedId"
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:overlaid="modalOpened"
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:filters="[]"
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v-on:update="updateToot"
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v-on:delete="deleteToot"
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@focusRight="focusSidebar"
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@selectToot="focusToot(item)"
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@sizeChanged="sizeChanged"
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>
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</toot>
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</DynamicScrollerItem>
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</template>
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</DynamicScroller>
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<div :class="openSideBar ? 'upper-with-side-bar' : 'upper'" v-show="!heading">
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<el-button type="primary" @click="upper" circle>
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<font-awesome-icon icon="angle-up" class="upper-icon" />
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</el-button>
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</div>
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</div>
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</template>
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<script lang="ts">
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import { defineComponent, toRefs, ref, computed, onMounted, onBeforeUpdate, watch, onBeforeUnmount, onUnmounted } from 'vue'
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import { useMagicKeys, whenever, and } from '@vueuse/core'
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import moment from 'moment'
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import { ElMessage } from 'element-plus'
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import { useI18next } from 'vue3-i18next'
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import { Entity } from 'megalodon'
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import { useStore } from '@/store'
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import Toot from '@/components/organisms/Toot.vue'
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import { EventEmitter } from '@/components/event'
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import { ScrollPosition } from '@/components/utils/scroll'
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import { MUTATION_TYPES as CONTENTS_MUTATION } from '@/store/TimelineSpace/Contents'
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import { MUTATION_TYPES as HEADER_MUTATION } from '@/store/TimelineSpace/HeaderMenu'
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import { ACTION_TYPES, MUTATION_TYPES } from '@/store/TimelineSpace/Contents/Lists/Show'
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import { MUTATION_TYPES as TIMELINE_MUTATION } from '@/store/TimelineSpace'
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export default defineComponent({
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name: 'list',
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props: ['list_id'],
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components: { Toot },
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setup(props) {
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const space = 'TimelineSpace/Contents/Lists/Show'
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const store = useStore()
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const i18n = useI18next()
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const { j, k, r } = useMagicKeys()
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const { list_id } = toRefs(props)
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const focusedId = ref<string | null>(null)
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const scrollPosition = ref<ScrollPosition | null>(null)
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const observer = ref<ResizeObserver | null>(null)
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const scrollTime = ref<moment.Moment | null>(null)
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const resizeTime = ref<moment.Moment | null>(null)
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const scroller = ref<any>(null)
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const timeline = computed(() => store.state.TimelineSpace.Contents.Lists.Show.timeline)
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const lazyLoading = computed(() => store.state.TimelineSpace.Contents.Lists.Show.lazyLoading)
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const heading = computed(() => store.state.TimelineSpace.Contents.Lists.Show.heading)
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const scrolling = computed(() => store.state.TimelineSpace.Contents.Lists.Show.scrolling)
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const openSideBar = computed(() => store.state.TimelineSpace.Contents.SideBar.openSideBar)
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const startReload = computed(() => store.state.TimelineSpace.HeaderMenu.reload)
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const modalOpened = computed<boolean>(() => store.getters[`TimelineSpace/Modals/modalOpened`])
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const currentFocusedIndex = computed(() => timeline.value.findIndex(toot => focusedId.value === toot.uri + toot.id))
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const shortcutEnabled = computed(() => !modalOpened.value)
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onMounted(() => {
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document.getElementById('scroller')?.addEventListener('scroll', onScroll)
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store.commit(`TimelineSpace/Contents/${CONTENTS_MUTATION.CHANGE_LOADING}`, true)
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load().finally(() => {
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store.commit(`TimelineSpace/Contents/${CONTENTS_MUTATION.CHANGE_LOADING}`, false)
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})
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const el = document.getElementById('scroller')
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if (el) {
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scrollPosition.value = new ScrollPosition(el)
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scrollPosition.value.prepare()
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observer.value = new ResizeObserver(() => {
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if (scrollPosition.value && !heading.value && !lazyLoading.value && !scrolling.value) {
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resizeTime.value = moment()
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scrollPosition.value?.restore()
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}
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})
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const scrollWrapper = el.getElementsByClassName('vue-recycle-scroller__item-wrapper')[0]
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observer.value?.observe(scrollWrapper)
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}
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})
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onBeforeUpdate(() => {
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if (scrollPosition.value) {
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scrollPosition.value.prepare()
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}
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})
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watch(list_id, () => {
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store.commit(`TimelineSpace/Contents/${CONTENTS_MUTATION.CHANGE_LOADING}`, true)
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load().finally(() => {
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store.commit(`TimelineSpace/Contents/${CONTENTS_MUTATION.CHANGE_LOADING}`, false)
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})
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})
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watch(startReload, (newVal, oldVal) => {
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if (!oldVal && newVal) {
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reload().finally(() => {
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store.commit(`TimelineSpace/HeaderMenu/${HEADER_MUTATION.CHANGE_RELOAD}`, false)
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})
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}
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})
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watch(focusedId, (newVal, _oldVal) => {
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if (newVal && heading.value) {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_HEADING}`, false)
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} else if (newVal === null && !heading.value) {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_HEADING}`, true)
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}
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})
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whenever(and(j, shortcutEnabled), () => {
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if (focusedId.value === null) {
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focusedId.value = timeline.value[0].uri + timeline.value[0].id
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} else {
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focusNext()
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}
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})
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whenever(and(k, shortcutEnabled), () => {
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focusPrev()
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})
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whenever(and(r, shortcutEnabled), () => {
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reload()
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})
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onBeforeUnmount(() => {
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store.dispatch(`${space}/${ACTION_TYPES.STOP_STREAMING}`)
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observer.value?.disconnect()
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})
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onUnmounted(() => {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_HEADING}`, true)
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store.commit(`${space}/${MUTATION_TYPES.ARCHIVE_TIMELINE}`)
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store.commit(`${space}/${MUTATION_TYPES.CLEAR_TIMELINE}`)
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const el = document.getElementById('scroller')
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if (el !== undefined && el !== null) {
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el.removeEventListener('scroll', onScroll)
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el.scrollTop = 0
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}
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})
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const load = async () => {
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await store.dispatch(`${space}/${ACTION_TYPES.STOP_STREAMING}`)
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try {
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await store.dispatch(`${space}/${ACTION_TYPES.FETCH_TIMELINE}`, list_id.value)
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} catch (err) {
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ElMessage({
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message: i18n.t('message.timeline_fetch_error'),
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type: 'error'
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})
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}
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store.dispatch(`${space}/${ACTION_TYPES.START_STREAMING}`, list_id.value).catch(() => {
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ElMessage({
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message: i18n.t('message.start_streaming_error'),
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type: 'error'
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})
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})
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return 'started'
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}
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const onScroll = (event: Event) => {
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if (moment().diff(resizeTime.value) < 500) {
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return
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}
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scrollTime.value = moment()
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if (!scrolling.value) {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_SCROLLING}`, true)
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}
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if (
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(event.target as HTMLElement)!.clientHeight + (event.target as HTMLElement)!.scrollTop >=
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document.getElementById('scroller')!.scrollHeight - 10 &&
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!lazyLoading
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) {
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store
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.dispatch(`${space}/${ACTION_TYPES.LAZY_FETCH_TIMELINE}`, {
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list_id: list_id.value,
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status: timeline.value[timeline.value.length - 1]
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})
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.then(statuses => {
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if (statuses === null) {
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return
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}
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if (statuses.length > 0) {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_SCROLLING}`, true)
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setTimeout(() => {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_SCROLLING}`, false)
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}, 500)
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}
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})
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.catch(() => {
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ElMessage({
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message: i18n.t('message.timeline_fetch_error'),
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type: 'error'
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})
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})
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}
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if ((event.target as HTMLElement)!.scrollTop > 10 && heading.value) {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_HEADING}`, false)
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} else if ((event.target as HTMLElement)!.scrollTop <= 10 && !heading.value) {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_HEADING}`, true)
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}
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setTimeout(() => {
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const now = moment()
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if (now.diff(scrollTime.value) >= 150) {
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scrollTime.value = null
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_SCROLLING}`, false)
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}
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}, 150)
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}
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const reload = async () => {
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store.commit(`TimelineSpace/${TIMELINE_MUTATION.CHANGE_LOADING}`, true)
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try {
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await store.dispatch(`${space}/${ACTION_TYPES.STOP_STREAMING}`)
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await store.dispatch(`${space}/${ACTION_TYPES.FETCH_TIMELINE}`, list_id.value).catch(() => {
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ElMessage({
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message: i18n.t('message.timeline_fetch_error'),
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type: 'error'
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})
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})
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store.dispatch(`${space}/${ACTION_TYPES.START_STREAMING}`, list_id.value).catch(() => {
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ElMessage({
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message: i18n.t('message.start_streaming_error'),
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type: 'error'
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})
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})
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} finally {
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store.commit(`TimelineSpace/${TIMELINE_MUTATION.CHANGE_LOADING}`, false)
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}
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}
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const updateToot = (message: Entity.Status) => {
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store.commit(`${space}/${MUTATION_TYPES.UPDATE_TOOT}`, message)
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}
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const deleteToot = (message: Entity.Status) => {
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store.commit(`${space}/${MUTATION_TYPES.DELETE_TOOT}`, message.id)
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}
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const upper = () => {
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scroller.value.scrollToItem(0)
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focusedId.value = null
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}
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const focusNext = () => {
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if (currentFocusedIndex.value === -1) {
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focusedId.value = timeline.value[0].uri + timeline.value[0].id
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} else if (currentFocusedIndex.value < timeline.value.length) {
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focusedId.value = timeline.value[currentFocusedIndex.value + 1].uri + timeline.value[currentFocusedIndex.value + 1].id
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}
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}
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const focusPrev = () => {
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if (currentFocusedIndex.value === 0) {
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focusedId.value = null
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} else if (currentFocusedIndex.value > 0) {
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focusedId.value = timeline.value[currentFocusedIndex.value - 1].uri + timeline.value[currentFocusedIndex.value - 1].id
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}
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}
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const focusToot = (message: Entity.Status) => {
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focusedId.value = message.uri + message.id
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}
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const focusSidebar = () => {
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EventEmitter.emit('focus-sidebar')
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}
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const sizeChanged = () => {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_SCROLLING}`, true)
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setTimeout(() => {
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store.commit(`${space}/${MUTATION_TYPES.CHANGE_SCROLLING}`, false)
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}, 500)
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}
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return {
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scroller,
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timeline,
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focusedId,
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modalOpened,
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updateToot,
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deleteToot,
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focusSidebar,
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focusToot,
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sizeChanged,
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openSideBar,
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heading,
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upper
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}
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}
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})
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</script>
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<style lang="scss" scoped>
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.list-timeline {
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height: 100%;
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overflow: auto;
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scroll-behavior: auto;
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.scroller {
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height: 100%;
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}
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.upper {
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position: fixed;
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bottom: 20px;
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right: 20px;
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}
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.upper-with-side-bar {
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position: fixed;
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bottom: 20px;
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right: calc(20px + var(--current-sidebar-width));
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transition: all 0.5s;
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}
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.upper-icon {
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padding: 3px;
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}
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}
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</style>
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<style lang="scss" src="@/assets/timeline-transition.scss"></style>
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