misskey/packages/client/src/ui/chat/pages/timeline.vue

<template>
<div class="dbiokgaf">
	<div v-if="date" class="info">
		<MkInfo>{{ i18n.ts.showingPastTimeline }} <button class="_textButton clear" @click="timetravel()">{{ i18n.ts.clear }}</button></MkInfo>
	</div>
	<div class="top">
		<XPostForm/>
	</div>
	<div ref="body" class="tl">
		<div v-if="queue > 0" class="new" :style="{ width: width + 'px', top: top + 'px' }"><button class="_buttonPrimary" @click="goTop()">{{ i18n.ts.newNoteRecived }}</button></div>
		<XNotes ref="tl" class="tl" :pagination="pagination" @queue="queueUpdated"/>
	</div>
</div>
</template>

<script lang="ts" setup>
import { computed, markRaw, onBeforeUnmount, ref, reactive, withDefaults } from 'vue';
import XNotes from '../notes.vue';
import * as os from '@/os';
import { stream } from '@/stream';
import * as sound from '@/scripts/sound';
import { scrollToBottom, getScrollPosition, getScrollContainer } from '@/scripts/scroll';
import XPostForm from '../post-form.vue';
import MkInfo from '@/components/MkInfo.vue';
import { definePageMetadata } from '@/scripts/page-metadata';
import { defaultStore } from '@/store';
import { i18n } from '@/i18n';

type Props = {
	src: string;
};
const props = withDefaults(defineProps<Props>(), {
	src: 'home',
});

const emit = defineEmits(['note']);

const baseQuery = {
	includeMyRenotes: defaultStore.state.showMyRenotes,
	includeRenotedMyNotes: defaultStore.state.showRenotedMyNotes,
	includeLocalRenotes: defaultStore.state.showLocalRenotes
};

const connection = ref(null);
const connection2 = ref(null);
const query = reactive({});
const queue = ref(0);
const width = ref(0);
const top = ref(0);
const bottom = ref(0);
const typers = ref([]);
const date = ref(null);

const tl = ref();
const body = ref();

definePageMetadata(computed(() => ({
	title: i18n.ts.timeline,
	icon: 'fas fa-home',
	actions: [{
		icon: 'fas fa-calendar-alt',
		text: i18n.ts.jumpToSpecifiedDate,
		handler: timetravel
	}],
})));

const prepend = note => {
	(tl.value as any).prepend(note);

	emit('note');

	sound.play(note.userId === this.$i.id ? 'noteMy' : 'note');
};

const onChangeFollowing = () => {
	if (!tl.value.backed) {
		tl.value.reload();
	}
};

let endpoint;

if (props.src == 'home') {
	endpoint = 'notes/timeline';
	connection.value = markRaw(stream.useChannel('homeTimeline'));
	connection.value.on('note', prepend);

	connection2.value = markRaw(stream.useChannel('main'));
	connection2.value.on('follow', onChangeFollowing);
	connection2.value.on('unfollow', onChangeFollowing);
} else if (props.src == 'local') {
	endpoint = 'notes/local-timeline';
	connection.value = markRaw(stream.useChannel('localTimeline'));
	connection.value.on('note', prepend);
} else if (props.src == 'social') {
	endpoint = 'notes/hybrid-timeline';
	connection.value = markRaw(stream.useChannel('hybridTimeline'));
	connection.value.on('note', prepend);
} else if (props.src == 'global') {
	endpoint = 'notes/global-timeline';
	connection.value = markRaw(stream.useChannel('globalTimeline'));
	connection.value.on('note', prepend);
}

const pagination = computed(() => ({
	endpoint: endpoint,
	limit: 10,
	params: init => ({
		untilDate: date.value?.getTime(),
		...baseQuery, ...query,
	}),
}));


onBeforeUnmount(() => {
	connection.value.dispose();
	if (connection2.value) connection2.value.dispose();
});

function focus() {
	body.value.focus();
};

function goTop() {
	const container = getScrollContainer(body.value);
	container.scrollTop = 0;
};

function queueUpdated(q) {
	if (body.value.offsetWidth !== 0) {
		const rect = body.value.getBoundingClientRect();
		this.width = body.value.offsetWidth;
		top.value = rect.top;
		bottom.value = body.value.offsetHeight;
	}
	queue.value = q;
};

function timetravel(target?: Date) {
	date.value = target;
	tl.value.reload();
};
</script>

<style lang="scss" scoped>
.dbiokgaf {
	display: flex;
	flex-direction: column;
	flex: 1;
	overflow: auto;

	> .info {
		padding: 16px 16px 0 16px;
	}

	> .top {
		padding: 16px 16px 0 16px;
	}

	> .bottom {
		padding: 0 16px 16px 16px;
		position: relative;

		> .typers {
			position: absolute;
			bottom: 100%;
			padding: 0 8px 0 8px;
			font-size: 0.9em;
			background: var(--panel);
			border-radius: 0 8px 0 0;
			color: var(--fgTransparentWeak);

			> .users {
				> .user + .user:before {
					content: ", ";
					font-weight: normal;
				}

				> .user:last-of-type:after {
					content: " ";
				}
			}
		}
	}

	> .tl {
		position: relative;
		padding: 16px 0;
		flex: 1;
		min-width: 0;
		overflow: auto;

		> .new {
			position: fixed;
			z-index: 1000;
			pointer-events: none;

			> button {
				display: block;
				margin: 16px auto;
				padding: 8px 16px;
				border-radius: 32px;
			}
		}
	}
}
</style>