mirror of
https://github.com/paricafe/misskey.git
synced 2024-12-05 15:36:44 -06:00
244 lines
5.7 KiB
Vue
244 lines
5.7 KiB
Vue
<template>
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<div class="mk-notes">
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<div class="newer-indicator" :style="{ top: $store.state.uiHeaderHeight + 'px' }" v-show="queue.length > 0"></div>
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<slot name="empty" v-if="notes.length == 0 && !fetching && requestInitPromise == null"></slot>
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<mk-error v-if="!fetching && requestInitPromise != null" @retry="resolveInitPromise"/>
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<div class="placeholder" v-if="fetching">
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<template v-for="i in 10">
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<mk-note-skeleton :key="i"/>
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</template>
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</div>
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<!-- トランジションを有効にするとなぜかメモリリークする -->
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<component :is="!$store.state.device.reduceMotion ? 'transition-group' : 'div'" name="mk-notes" class="notes transition" tag="div" ref="notes">
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<template v-for="(note, i) in _notes">
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<x-note :note="note" :key="note.id" @update:note="onNoteUpdated(i, $event)" ref="note"/>
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<p class="date" :key="note.id + '_date'" v-if="i != notes.length - 1 && note._date != _notes[i + 1]._date">
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<span><fa icon="angle-up"/>{{ note._datetext }}</span>
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<span><fa icon="angle-down"/>{{ _notes[i + 1]._datetext }}</span>
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</p>
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</template>
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</component>
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<footer v-if="more">
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<button @click="loadMore" :disabled="moreFetching" :style="{ cursor: moreFetching ? 'wait' : 'pointer' }">
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<template v-if="!moreFetching">{{ $t('@.load-more') }}</template>
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<template v-if="moreFetching"><fa icon="spinner" pulse fixed-width/></template>
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</button>
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</footer>
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</div>
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</template>
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<script lang="ts">
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import Vue from 'vue';
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import i18n from '../../../i18n';
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import * as config from '../../../config';
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import shouldMuteNote from '../../../common/scripts/should-mute-note';
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import XNote from './note.vue';
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const displayLimit = 30;
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export default Vue.extend({
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i18n: i18n(),
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components: {
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XNote
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},
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props: {
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more: {
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type: Function,
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required: false
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}
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},
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data() {
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return {
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requestInitPromise: null as () => Promise<any[]>,
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notes: [],
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queue: [],
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fetching: true,
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moreFetching: false
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};
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},
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computed: {
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_notes(): any[] {
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return (this.notes as any).map(note => {
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const date = new Date(note.createdAt).getDate();
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const month = new Date(note.createdAt).getMonth() + 1;
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note._date = date;
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note._datetext = this.$t('@.month-and-day').replace('{month}', month.toString()).replace('{day}', date.toString());
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return note;
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});
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}
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},
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mounted() {
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window.addEventListener('scroll', this.onScroll, { passive: true });
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},
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beforeDestroy() {
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window.removeEventListener('scroll', this.onScroll);
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},
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methods: {
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isScrollTop() {
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return window.scrollY <= 8;
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},
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focus() {
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(this.$refs.notes as any).children[0].focus ? (this.$refs.notes as any).children[0].focus() : (this.$refs.notes as any).$el.children[0].focus();
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},
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onNoteUpdated(i, note) {
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Vue.set((this as any).notes, i, note);
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},
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init(promiseGenerator: () => Promise<any[]>) {
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this.requestInitPromise = promiseGenerator;
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this.resolveInitPromise();
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},
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resolveInitPromise() {
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this.queue = [];
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this.notes = [];
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this.fetching = true;
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const promise = this.requestInitPromise();
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promise.then(notes => {
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this.notes = notes;
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this.requestInitPromise = null;
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this.fetching = false;
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}, e => {
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this.fetching = false;
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});
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},
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prepend(note, silent = false) {
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// 弾く
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if (shouldMuteNote(this.$store.state.i, this.$store.state.settings, note)) return;
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// タブが非表示またはスクロール位置が最上部ではないならタイトルで通知
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if (document.hidden || !this.isScrollTop()) {
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this.$store.commit('pushBehindNote', note);
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}
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if (this.isScrollTop()) {
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// Prepend the note
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this.notes.unshift(note);
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// サウンドを再生する
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if (this.$store.state.device.enableSounds && !silent) {
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const sound = new Audio(`${config.url}/assets/post.mp3`);
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sound.volume = this.$store.state.device.soundVolume;
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sound.play();
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}
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// オーバーフローしたら古い投稿は捨てる
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if (this.notes.length >= displayLimit) {
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this.notes = this.notes.slice(0, displayLimit);
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}
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} else {
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this.queue.push(note);
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}
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},
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append(note) {
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this.notes.push(note);
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},
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tail() {
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return this.notes[this.notes.length - 1];
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},
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releaseQueue() {
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this.queue.forEach(n => this.prepend(n, true));
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this.queue = [];
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},
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async loadMore() {
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if (this.more == null) return;
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if (this.moreFetching) return;
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this.moreFetching = true;
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await this.more();
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this.moreFetching = false;
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},
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onScroll() {
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if (this.isScrollTop()) {
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this.releaseQueue();
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}
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if (this.$store.state.settings.fetchOnScroll !== false) {
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const current = window.scrollY + window.innerHeight;
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if (current > document.body.offsetHeight - 8) this.loadMore();
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}
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}
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}
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});
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</script>
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<style lang="stylus" scoped>
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.mk-notes
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.transition
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.mk-notes-enter
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.mk-notes-leave-to
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opacity 0
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transform translateY(-30px)
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> *
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transition transform .3s ease, opacity .3s ease
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> .placeholder
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padding 32px
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opacity 0.3
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> .notes
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> .date
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display block
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margin 0
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line-height 32px
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font-size 14px
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text-align center
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color var(--dateDividerFg)
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background var(--dateDividerBg)
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border-bottom solid 1px var(--faceDivider)
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span
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margin 0 16px
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[data-icon]
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margin-right 8px
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> .newer-indicator
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position -webkit-sticky
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position sticky
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z-index 100
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height 3px
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background var(--primary)
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> footer
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> button
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display block
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margin 0
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padding 16px
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width 100%
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text-align center
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color #ccc
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background var(--face)
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border-top solid 1px var(--faceDivider)
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border-bottom-left-radius 6px
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border-bottom-right-radius 6px
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&:hover
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box-shadow 0 0 0 100px inset rgba(0, 0, 0, 0.05)
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&:active
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box-shadow 0 0 0 100px inset rgba(0, 0, 0, 0.1)
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</style>
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