refactoring

Resolve #7779

15 files changed, 3841 insertions, 0 deletions

diff --git a/packages/client/src/ui/chat/date-separated-list.vue b/packages/client/src/ui/chat/date-separated-list.vue
new file mode 100644
index 0000000000..b21e425aba
--- /dev/null
+++ b/packages/client/src/ui/chat/date-separated-list.vue
@@ -0,0 +1,163 @@
+<script lang="ts">
+import { defineComponent, h, PropType, TransitionGroup } from 'vue';
+import MkAd from '@/components/global/ad.vue';
+
+export default defineComponent({
+	props: {
+		items: {
+			type: Array as PropType<{ id: string; createdAt: string; _shouldInsertAd_: boolean; }[]>,
+			required: true,
+		},
+		reversed: {
+			type: Boolean,
+			required: false,
+			default: false
+		},
+		ad: {
+			type: Boolean,
+			required: false,
+			default: false
+		},
+	},
+
+	methods: {
+		focus() {
+			this.$slots.default[0].elm.focus();
+		}
+	},
+
+	render() {
+		const getDateText = (time: string) => {
+			const date = new Date(time).getDate();
+			const month = new Date(time).getMonth() + 1;
+			return this.$t('monthAndDay', {
+				month: month.toString(),
+				day: date.toString()
+			});
+		}
+
+		return h(this.reversed ? 'div' : TransitionGroup, {
+			class: 'hmjzthxl',
+			name: this.reversed ? 'list-reversed' : 'list',
+			tag: 'div',
+		}, this.items.map((item, i) => {
+			const el = this.$slots.default({
+				item: item
+			})[0];
+			if (el.key == null && item.id) el.key = item.id;
+
+			if (
+				i != this.items.length - 1 &&
+				new Date(item.createdAt).getDate() != new Date(this.items[i + 1].createdAt).getDate()
+			) {
+				const separator = h('div', {
+					class: 'separator',
+					key: item.id + ':separator',
+				}, h('p', {
+					class: 'date'
+				}, [
+					h('span', [
+						h('i', {
+							class: 'fas fa-angle-up icon',
+						}),
+						getDateText(item.createdAt)
+					]),
+					h('span', [
+						getDateText(this.items[i + 1].createdAt),
+						h('i', {
+							class: 'fas fa-angle-down icon',
+						})
+					])
+				]));
+
+				return [el, separator];
+			} else {
+				if (this.ad && item._shouldInsertAd_) {
+					return [h(MkAd, {
+						class: 'a', // advertiseの意(ブロッカー対策)
+						key: item.id + ':ad',
+						prefer: ['horizontal', 'horizontal-big'],
+					}), el];
+				} else {
+					return el;
+				}
+			}
+		}));
+	},
+});
+</script>
+
+<style lang="scss">
+.hmjzthxl {
+	> .list-move {
+		transition: transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
+	}
+	> .list-enter-active {
+		transition: transform 0.7s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1);
+	}
+	> .list-enter-from {
+		opacity: 0;
+		transform: translateY(-64px);
+	}
+
+	> .list-reversed-enter-active, > .list-reversed-leave-active {
+		transition: transform 0.7s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1);
+	}
+	> .list-reversed-enter-from {
+		opacity: 0;
+		transform: translateY(64px);
+	}
+}
+</style>
+
+<style lang="scss">
+.hmjzthxl {
+	> .separator {
+		text-align: center;
+		position: relative;
+
+		&:before {
+			content: "";
+			display: block;
+			position: absolute;
+			top: 50%;
+			left: 0;
+			right: 0;
+			margin: auto;
+			width: calc(100% - 32px);
+			height: 1px;
+			background: var(--divider);
+		}
+
+		> .date {
+			display: inline-block;
+			position: relative;
+			margin: 0;
+			padding: 0 16px;
+			line-height: 32px;
+			text-align: center;
+			font-size: 12px;
+			color: var(--dateLabelFg);
+			background: var(--panel);
+
+			> span {
+				&:first-child {
+					margin-right: 8px;
+
+					> .icon {
+						margin-right: 8px;
+					}
+				}
+
+				&:last-child {
+					margin-left: 8px;
+
+					> .icon {
+						margin-left: 8px;
+					}
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/header-clock.vue b/packages/client/src/ui/chat/header-clock.vue
new file mode 100644
index 0000000000..3488289c21
--- /dev/null
+++ b/packages/client/src/ui/chat/header-clock.vue
@@ -0,0 +1,62 @@
+<template>
+<div class="acemodlh _monospace">
+	<div>
+		<span v-text="y"></span>/<span v-text="m"></span>/<span v-text="d"></span>
+	</div>
+	<div>
+		<span v-text="hh"></span>
+		<span :style="{ visibility: showColon ? 'visible' : 'hidden' }">:</span>
+		<span v-text="mm"></span>
+		<span :style="{ visibility: showColon ? 'visible' : 'hidden' }">:</span>
+		<span v-text="ss"></span>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import * as os from '@/os';
+
+export default defineComponent({
+	data() {
+		return {
+			clock: null,
+			y: null,
+			m: null,
+			d: null,
+			hh: null,
+			mm: null,
+			ss: null,
+			showColon: true,
+		};
+	},
+	created() {
+		this.tick();
+		this.clock = setInterval(this.tick, 1000);
+	},
+	beforeUnmount() {
+		clearInterval(this.clock);
+	},
+	methods: {
+		tick() {
+			const now = new Date();
+			this.y = now.getFullYear().toString();
+			this.m = (now.getMonth() + 1).toString().padStart(2, '0');
+			this.d = now.getDate().toString().padStart(2, '0');
+			this.hh = now.getHours().toString().padStart(2, '0');
+			this.mm = now.getMinutes().toString().padStart(2, '0');
+			this.ss = now.getSeconds().toString().padStart(2, '0');
+			this.showColon = now.getSeconds() % 2 === 0;
+		}
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.acemodlh {
+	opacity: 0.7;
+	font-size: 0.85em;
+	line-height: 1em;
+	text-align: center;
+}
+</style>
diff --git a/packages/client/src/ui/chat/index.vue b/packages/client/src/ui/chat/index.vue
new file mode 100644
index 0000000000..e8d15b2cfc
--- /dev/null
+++ b/packages/client/src/ui/chat/index.vue
@@ -0,0 +1,467 @@
+<template>
+<div class="mk-app" @contextmenu.self.prevent="onContextmenu">
+	<XSidebar ref="menu" class="menu" :default-hidden="true"/>
+
+	<div class="nav">
+		<header class="header">
+			<div class="left">
+				<button class="_button account" @click="openAccountMenu">
+					<MkAvatar :user="$i" class="avatar"/><!--<MkAcct class="text" :user="$i"/>-->
+				</button>
+			</div>
+			<div class="right">
+				<MkA class="item" to="/my/messaging" v-tooltip="$ts.messaging"><i class="fas fa-comments icon"></i><span v-if="$i.hasUnreadMessagingMessage" class="indicator"><i class="fas fa-circle"></i></span></MkA>
+				<MkA class="item" to="/my/messages" v-tooltip="$ts.directNotes"><i class="fas fa-envelope icon"></i><span v-if="$i.hasUnreadSpecifiedNotes" class="indicator"><i class="fas fa-circle"></i></span></MkA>
+				<MkA class="item" to="/my/mentions" v-tooltip="$ts.mentions"><i class="fas fa-at icon"></i><span v-if="$i.hasUnreadMentions" class="indicator"><i class="fas fa-circle"></i></span></MkA>
+				<MkA class="item" to="/my/notifications" v-tooltip="$ts.notifications"><i class="fas fa-bell icon"></i><span v-if="$i.hasUnreadNotification" class="indicator"><i class="fas fa-circle"></i></span></MkA>
+			</div>
+		</header>
+		<div class="body">
+			<div class="container">
+				<div class="header">{{ $ts.timeline }}</div>
+				<div class="body">
+					<MkA to="/timeline/home" class="item" :class="{ active: tl === 'home' }"><i class="fas fa-home icon"></i>{{ $ts._timelines.home }}</MkA>
+					<MkA to="/timeline/local" class="item" :class="{ active: tl === 'local' }"><i class="fas fa-comments icon"></i>{{ $ts._timelines.local }}</MkA>
+					<MkA to="/timeline/social" class="item" :class="{ active: tl === 'social' }"><i class="fas fa-share-alt icon"></i>{{ $ts._timelines.social }}</MkA>
+					<MkA to="/timeline/global" class="item" :class="{ active: tl === 'global' }"><i class="fas fa-globe icon"></i>{{ $ts._timelines.global }}</MkA>
+				</div>
+			</div>
+			<div class="container" v-if="followedChannels">
+				<div class="header">{{ $ts.channel }} ({{ $ts.following }})<button class="_button add" @click="addChannel"><i class="fas fa-plus"></i></button></div>
+				<div class="body">
+					<MkA v-for="channel in followedChannels" :key="channel.id" :to="`/channels/${ channel.id }`" class="item" :class="{ active: tl === `channel:${ channel.id }`, read: !channel.hasUnreadNote }"><i class="fas fa-satellite-dish icon"></i>{{ channel.name }}</MkA>
+				</div>
+			</div>
+			<div class="container" v-if="featuredChannels">
+				<div class="header">{{ $ts.channel }}<button class="_button add" @click="addChannel"><i class="fas fa-plus"></i></button></div>
+				<div class="body">
+					<MkA v-for="channel in featuredChannels" :key="channel.id" :to="`/channels/${ channel.id }`" class="item" :class="{ active: tl === `channel:${ channel.id }` }"><i class="fas fa-satellite-dish icon"></i>{{ channel.name }}</MkA>
+				</div>
+			</div>
+			<div class="container" v-if="lists">
+				<div class="header">{{ $ts.lists }}<button class="_button add" @click="addList"><i class="fas fa-plus"></i></button></div>
+				<div class="body">
+					<MkA v-for="list in lists" :key="list.id" :to="`/my/list/${ list.id }`" class="item" :class="{ active: tl === `list:${ list.id }` }"><i class="fas fa-list-ul icon"></i>{{ list.name }}</MkA>
+				</div>
+			</div>
+			<div class="container" v-if="antennas">
+				<div class="header">{{ $ts.antennas }}<button class="_button add" @click="addAntenna"><i class="fas fa-plus"></i></button></div>
+				<div class="body">
+					<MkA v-for="antenna in antennas" :key="antenna.id" :to="`/my/antenna/${ antenna.id }`" class="item" :class="{ active: tl === `antenna:${ antenna.id }` }"><i class="fas fa-satellite icon"></i>{{ antenna.name }}</MkA>
+				</div>
+			</div>
+			<div class="container">
+				<div class="body">
+					<MkA to="/my/favorites" class="item"><i class="fas fa-star icon"></i>{{ $ts.favorites }}</MkA>
+				</div>
+			</div>
+			<MkAd class="a" :prefer="['square']"/>
+		</div>
+		<footer class="footer">
+			<div class="left">
+				<button class="_button menu" @click="showMenu">
+					<i class="fas fa-bars icon"></i>
+				</button>
+			</div>
+			<div class="right">
+				<button class="_button item search" @click="search" v-tooltip="$ts.search">
+					<i class="fas fa-search icon"></i>
+				</button>
+				<MkA class="item" to="/settings" v-tooltip="$ts.settings"><i class="fas fa-cog icon"></i></MkA>
+			</div>
+		</footer>
+	</div>
+
+	<main class="main" @contextmenu.stop="onContextmenu">
+		<header class="header">
+			<MkHeader class="header" :info="pageInfo" :menu="menu" :center="false" @click="onHeaderClick"/>
+		</header>
+		<router-view v-slot="{ Component }">
+			<transition :name="$store.state.animation ? 'page' : ''" mode="out-in" @enter="onTransition">
+				<keep-alive :include="['timeline']">
+					<component :is="Component" :ref="changePage" class="body"/>
+				</keep-alive>
+			</transition>
+		</router-view>
+	</main>
+
+	<XSide class="side" ref="side" @open="sideViewOpening = true" @close="sideViewOpening = false"/>
+	<div class="side widgets" :class="{ sideViewOpening }">
+		<XWidgets/>
+	</div>
+
+	<XCommon/>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent, defineAsyncComponent } from 'vue';
+import { instanceName, url } from '@/config';
+import XSidebar from '@/ui/_common_/sidebar.vue';
+import XWidgets from './widgets.vue';
+import XCommon from '../_common_/common.vue';
+import XSide from './side.vue';
+import XHeaderClock from './header-clock.vue';
+import * as os from '@/os';
+import { router } from '@/router';
+import { menuDef } from '@/menu';
+import { search } from '@/scripts/search';
+import copyToClipboard from '@/scripts/copy-to-clipboard';
+import { store } from './store';
+import * as symbols from '@/symbols';
+import { openAccountMenu } from '@/account';
+
+export default defineComponent({
+	components: {
+		XCommon,
+		XSidebar,
+		XWidgets,
+		XSide, // NOTE: dynamic importするとAsyncComponentWrapperが間に入るせいでref取得できなくて面倒になる
+		XHeaderClock,
+	},
+
+	provide() {
+		return {
+			sideViewHook: (path) => {
+				this.$refs.side.navigate(path);
+			}
+		};
+	},
+
+	data() {
+		return {
+			pageInfo: null,
+			lists: null,
+			antennas: null,
+			followedChannels: null,
+			featuredChannels: null,
+			currentChannel: null,
+			menuDef: menuDef,
+			sideViewOpening: false,
+			instanceName,
+		};
+	},
+
+	computed: {
+		menu() {
+			return [{
+				icon: 'fas fa-columns',
+				text: this.$ts.openInSideView,
+				action: () => {
+					this.$refs.side.navigate(this.$route.path);
+				}
+			}, {
+				icon: 'fas fa-window-maximize',
+				text: this.$ts.openInWindow,
+				action: () => {
+					os.pageWindow(this.$route.path);
+				}
+			}];
+		}
+	},
+
+	created() {
+		if (window.innerWidth < 1024) {
+			localStorage.setItem('ui', 'default');
+			location.reload();
+		}
+
+		os.api('users/lists/list').then(lists => {
+			this.lists = lists;
+		});
+
+		os.api('antennas/list').then(antennas => {
+			this.antennas = antennas;
+		});
+
+		os.api('channels/followed', { limit: 20 }).then(channels => {
+			this.followedChannels = channels;
+		});
+
+		// TODO: pagination
+		os.api('channels/featured', { limit: 20 }).then(channels => {
+			this.featuredChannels = channels;
+		});
+	},
+
+	methods: {
+		changePage(page) {
+			console.log(page);
+			if (page == null) return;
+			if (page[symbols.PAGE_INFO]) {
+				this.pageInfo = page[symbols.PAGE_INFO];
+				document.title = `${this.pageInfo.title} | ${instanceName}`;
+			}
+		},
+
+		onTransition() {
+			if (window._scroll) window._scroll();
+		},
+
+		showMenu() {
+			this.$refs.menu.show();
+		},
+
+		post() {
+			os.post();
+		},
+
+		search() {
+			search();
+		},
+
+		back() {
+			history.back();
+		},
+
+		top() {
+			window.scroll({ top: 0, behavior: 'smooth' });
+		},
+
+		onTransition() {
+			if (window._scroll) window._scroll();
+		},
+
+		onHeaderClick() {
+			window.scroll({ top: 0, behavior: 'smooth' });
+		},
+
+		onContextmenu(e) {
+			const isLink = (el: HTMLElement) => {
+				if (el.tagName === 'A') return true;
+				if (el.parentElement) {
+					return isLink(el.parentElement);
+				}
+			};
+			if (isLink(e.target)) return;
+			if (['INPUT', 'TEXTAREA', 'IMG', 'VIDEO', 'CANVAS'].includes(e.target.tagName) || e.target.attributes['contenteditable']) return;
+			if (window.getSelection().toString() !== '') return;
+			const path = this.$route.path;
+			os.contextMenu([{
+				type: 'label',
+				text: path,
+			}, {
+				icon: 'fas fa-columns',
+				text: this.$ts.openInSideView,
+				action: () => {
+					this.$refs.side.navigate(path);
+				}
+			}, {
+				icon: 'fas fa-window-maximize',
+				text: this.$ts.openInWindow,
+				action: () => {
+					os.pageWindow(path);
+				}
+			}], e);
+		},
+
+		openAccountMenu,
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.mk-app {
+	$header-height: 54px; // TODO: どこかに集約したい
+	$ui-font-size: 1em; // TODO: どこかに集約したい
+
+	// ほんとは単に 100vh と書きたいところだが... https://css-tricks.com/the-trick-to-viewport-units-on-mobile/
+	height: calc(var(--vh, 1vh) * 100);
+	display: flex;
+
+	> .nav {
+		display: flex;
+		flex-direction: column;
+		width: 250px;
+		height: 100vh;
+		border-right: solid 4px var(--divider);
+
+		> .header, > .footer {
+			$padding: 8px;
+			display: flex;
+			align-items: center;
+			z-index: 1000;
+			height: $header-height;
+			padding: $padding;
+			box-sizing: border-box;
+			user-select: none;
+
+			&.header {
+				border-bottom: solid 0.5px var(--divider);
+			}
+
+			&.footer {
+				border-top: solid 0.5px var(--divider);
+			}
+
+			> .left, > .right {
+				> .item, > .menu {
+					display: inline-flex;
+					vertical-align: middle;
+					height: ($header-height - ($padding * 2));
+					width: ($header-height - ($padding * 2));
+					box-sizing: border-box;
+					//opacity: 0.6;
+					position: relative;
+					border-radius: 5px;
+
+					&:hover {
+						background: rgba(0, 0, 0, 0.05);
+					}
+
+					> .icon {
+						margin: auto;
+					}
+
+					> .indicator {
+						position: absolute;
+						top: 8px;
+						right: 8px;
+						color: var(--indicator);
+						font-size: 8px;
+						line-height: 8px;
+						animation: blink 1s infinite;
+					}
+				}
+			}
+
+			> .left {
+				flex: 1;
+				min-width: 0;
+
+				> .account {
+					display: flex;
+					align-items: center;
+					padding: 0 8px;
+
+					> .avatar {
+						width: 26px;
+						height: 26px;
+						margin-right: 8px;
+					}
+
+					> .text {
+						white-space: nowrap;
+						overflow: hidden;
+						text-overflow: ellipsis;
+						font-size: 0.9em;
+					}
+				}
+			}
+
+			> .right {
+				margin-left: auto;
+			}
+		}
+
+		> .body {
+			flex: 1;
+			min-width: 0;
+			overflow: auto;
+
+			> .container {
+				margin-top: 8px;
+				margin-bottom: 8px;
+
+				& + .container {
+					margin-top: 16px;
+				}
+
+				> .header {
+					display: flex;
+					font-size: 0.9em;
+					padding: 8px 16px;
+					position: sticky;
+					top: 0;
+					background: var(--X17);
+					-webkit-backdrop-filter: var(--blur, blur(8px));
+					backdrop-filter: var(--blur, blur(8px));
+					z-index: 1;
+					color: var(--fgTransparentWeak);
+
+					> .add {
+						margin-left: auto;
+						color: var(--fgTransparentWeak);
+
+						&:hover {
+							color: var(--fg);
+						}
+					}
+				}
+
+				> .body {
+					padding: 0 8px;
+
+					> .item {
+						display: block;
+						padding: 6px 8px;
+						border-radius: 4px;
+						white-space: nowrap;
+						overflow: hidden;
+						text-overflow: ellipsis;
+
+						&:hover {
+							text-decoration: none;
+							background: rgba(0, 0, 0, 0.05);
+						}
+
+						&.active, &.active:hover {
+							background: var(--accent);
+							color: #fff !important;
+						}
+
+						&.read {
+							color: var(--fgTransparent);
+						}
+
+						> .icon {
+							margin-right: 8px;
+							opacity: 0.6;
+						}
+					}
+				}
+			}
+
+			> .a {
+				margin: 12px;
+			}
+		}
+	}
+
+	> .main {
+		display: flex;
+		flex: 1;
+		flex-direction: column;
+		min-width: 0;
+		height: 100vh;
+		position: relative;
+		background: var(--panel);
+
+		> .header {
+			z-index: 1000;
+			height: $header-height;
+			background-color: var(--panel);
+			border-bottom: solid 0.5px var(--divider);
+			user-select: none;
+		}
+
+		> .body {
+			width: 100%;
+			box-sizing: border-box;
+			overflow: auto;
+		}
+	}
+
+	> .side {
+		width: 350px;
+		border-left: solid 4px var(--divider);
+		background: var(--panel);
+
+		&.widgets.sideViewOpening {
+			@media (max-width: 1400px) {
+				display: none;
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/note-header.vue b/packages/client/src/ui/chat/note-header.vue
new file mode 100644
index 0000000000..8ab03501b2
--- /dev/null
+++ b/packages/client/src/ui/chat/note-header.vue
@@ -0,0 +1,112 @@
+<template>
+<header class="dehvdgxo">
+	<MkA class="name" :to="userPage(note.user)" v-user-preview="note.user.id">
+		<MkUserName :user="note.user"/>
+	</MkA>
+	<span class="is-bot" v-if="note.user.isBot">bot</span>
+	<span class="username"><MkAcct :user="note.user"/></span>
+	<span class="admin" v-if="note.user.isAdmin"><i class="fas fa-bookmark"></i></span>
+	<span class="moderator" v-if="!note.user.isAdmin && note.user.isModerator"><i class="far fa-bookmark"></i></span>
+	<div class="info">
+		<span class="mobile" v-if="note.viaMobile"><i class="fas fa-mobile-alt"></i></span>
+		<MkA class="created-at" :to="notePage(note)">
+			<MkTime :time="note.createdAt"/>
+		</MkA>
+		<span class="visibility" v-if="note.visibility !== 'public'">
+			<i v-if="note.visibility === 'home'" class="fas fa-home"></i>
+			<i v-else-if="note.visibility === 'followers'" class="fas fa-unlock"></i>
+			<i v-else-if="note.visibility === 'specified'" class="fas fa-envelope"></i>
+		</span>
+		<span class="localOnly" v-if="note.localOnly"><i class="fas fa-biohazard"></i></span>
+	</div>
+</header>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import notePage from '@/filters/note';
+import { userPage } from '@/filters/user';
+import * as os from '@/os';
+
+export default defineComponent({
+	props: {
+		note: {
+			type: Object,
+			required: true
+		},
+	},
+
+	data() {
+		return {
+		};
+	},
+
+	methods: {
+		notePage,
+		userPage
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.dehvdgxo {
+	display: flex;
+	align-items: baseline;
+	white-space: nowrap;
+	font-size: 0.9em;
+
+	> .name {
+		display: block;
+		margin: 0 .5em 0 0;
+		padding: 0;
+		overflow: hidden;
+		font-size: 1em;
+		font-weight: bold;
+		text-decoration: none;
+		text-overflow: ellipsis;
+
+		&:hover {
+			text-decoration: underline;
+		}
+	}
+
+	> .is-bot {
+		flex-shrink: 0;
+		align-self: center;
+		margin: 0 .5em 0 0;
+		padding: 1px 6px;
+		font-size: 80%;
+		border: solid 0.5px var(--divider);
+		border-radius: 3px;
+	}
+
+	> .admin,
+	> .moderator {
+		margin-right: 0.5em;
+		color: var(--badge);
+	}
+
+	> .username {
+		margin: 0 .5em 0 0;
+		overflow: hidden;
+		text-overflow: ellipsis;
+	}
+
+	> .info {
+		font-size: 0.9em;
+		opacity: 0.7;
+
+		> .mobile {
+			margin-right: 8px;
+		}
+
+		> .visibility {
+			margin-left: 8px;
+		}
+
+		> .localOnly {
+			margin-left: 8px;
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/note-preview.vue b/packages/client/src/ui/chat/note-preview.vue
new file mode 100644
index 0000000000..2a08a3d7f5
--- /dev/null
+++ b/packages/client/src/ui/chat/note-preview.vue
@@ -0,0 +1,112 @@
+<template>
+<div class="hduudsxk">
+	<MkAvatar class="avatar" :user="note.user"/>
+	<div class="main">
+		<XNoteHeader class="header" :note="note" :mini="true"/>
+		<div class="body">
+			<p v-if="note.cw != null" class="cw">
+				<span class="text" v-if="note.cw != ''">{{ note.cw }}</span>
+				<XCwButton v-model="showContent" :note="note"/>
+			</p>
+			<div class="content" v-show="note.cw == null || showContent">
+				<XSubNote-content class="text" :note="note"/>
+			</div>
+		</div>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import XNoteHeader from './note-header.vue';
+import XSubNoteContent from './sub-note-content.vue';
+import XCwButton from '@/components/cw-button.vue';
+import * as os from '@/os';
+
+export default defineComponent({
+	components: {
+		XNoteHeader,
+		XSubNoteContent,
+		XCwButton,
+	},
+
+	props: {
+		note: {
+			type: Object,
+			required: true
+		}
+	},
+
+	data() {
+		return {
+			showContent: false
+		};
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.hduudsxk {
+	display: flex;
+	margin: 0;
+	padding: 0;
+	overflow: hidden;
+	font-size: 0.95em;
+
+	> .avatar {
+
+		@media (min-width: 350px) {
+			margin: 0 10px 0 0;
+			width: 44px;
+			height: 44px;
+		}
+
+		@media (min-width: 500px) {
+			margin: 0 12px 0 0;
+			width: 48px;
+			height: 48px;
+		}
+	}
+
+	> .avatar {
+		flex-shrink: 0;
+		display: block;
+		margin: 0 10px 0 0;
+		width: 40px;
+		height: 40px;
+		border-radius: 8px;
+	}
+
+	> .main {
+		flex: 1;
+		min-width: 0;
+
+		> .header {
+			margin-bottom: 2px;
+		}
+
+		> .body {
+
+			> .cw {
+				cursor: default;
+				display: block;
+				margin: 0;
+				padding: 0;
+				overflow-wrap: break-word;
+
+				> .text {
+					margin-right: 8px;
+				}
+			}
+
+			> .content {
+				> .text {
+					cursor: default;
+					margin: 0;
+					padding: 0;
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/note.sub.vue b/packages/client/src/ui/chat/note.sub.vue
new file mode 100644
index 0000000000..75d9d98088
--- /dev/null
+++ b/packages/client/src/ui/chat/note.sub.vue
@@ -0,0 +1,137 @@
+<template>
+<div class="wrpstxzv" :class="{ children }">
+	<div class="main">
+		<MkAvatar class="avatar" :user="note.user"/>
+		<div class="body">
+			<XNoteHeader class="header" :note="note" :mini="true"/>
+			<div class="body">
+				<p v-if="note.cw != null" class="cw">
+					<Mfm v-if="note.cw != ''" class="text" :text="note.cw" :author="note.user" :i="$i" :custom-emojis="note.emojis" />
+					<XCwButton v-model="showContent" :note="note"/>
+				</p>
+				<div class="content" v-show="note.cw == null || showContent">
+					<XSubNote-content class="text" :note="note"/>
+				</div>
+			</div>
+		</div>
+	</div>
+	<XSub v-for="reply in replies" :key="reply.id" :note="reply" class="reply" :detail="true" :children="true"/>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import XNoteHeader from './note-header.vue';
+import XSubNoteContent from './sub-note-content.vue';
+import XCwButton from '@/components/cw-button.vue';
+import * as os from '@/os';
+
+export default defineComponent({
+	name: 'XSub',
+
+	components: {
+		XNoteHeader,
+		XSubNoteContent,
+		XCwButton,
+	},
+
+	props: {
+		note: {
+			type: Object,
+			required: true
+		},
+		detail: {
+			type: Boolean,
+			required: false,
+			default: false
+		},
+		children: {
+			type: Boolean,
+			required: false,
+			default: false
+		},
+		// TODO
+		truncate: {
+			type: Boolean,
+			default: true
+		}
+	},
+
+	data() {
+		return {
+			showContent: false,
+			replies: [],
+		};
+	},
+
+	created() {
+		if (this.detail) {
+			os.api('notes/children', {
+				noteId: this.note.id,
+				limit: 5
+			}).then(replies => {
+				this.replies = replies;
+			});
+		}
+	},
+});
+</script>
+
+<style lang="scss" scoped>
+.wrpstxzv {
+	padding: 16px 16px;
+	font-size: 0.8em;
+
+	&.children {
+		padding: 10px 0 0 16px;
+		font-size: 1em;
+	}
+
+	> .main {
+		display: flex;
+
+		> .avatar {
+			flex-shrink: 0;
+			display: block;
+			margin: 0 8px 0 0;
+			width: 36px;
+			height: 36px;
+		}
+
+		> .body {
+			flex: 1;
+			min-width: 0;
+
+			> .header {
+				margin-bottom: 2px;
+			}
+
+			> .body {
+				> .cw {
+					cursor: default;
+					display: block;
+					margin: 0;
+					padding: 0;
+					overflow-wrap: break-word;
+
+					> .text {
+						margin-right: 8px;
+					}
+				}
+
+				> .content {
+					> .text {
+						margin: 0;
+						padding: 0;
+					}
+				}
+			}
+		}
+	}
+
+	> .reply {
+		border-left: solid 0.5px var(--divider);
+		margin-top: 10px;
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/note.vue b/packages/client/src/ui/chat/note.vue
new file mode 100644
index 0000000000..c0b5cebd94
--- /dev/null
+++ b/packages/client/src/ui/chat/note.vue
@@ -0,0 +1,1144 @@
+<template>
+<div
+	class="vfzoeqcg"
+	v-if="!muted"
+	v-show="!isDeleted"
+	:tabindex="!isDeleted ? '-1' : null"
+	:class="{ renote: isRenote, highlighted: appearNote._prId_ || appearNote._featuredId_, operating }"
+	v-hotkey="keymap"
+>
+	<XSub :note="appearNote.reply" class="reply-to" v-if="appearNote.reply"/>
+	<div class="info" v-if="pinned"><i class="fas fa-thumbtack"></i> {{ $ts.pinnedNote }}</div>
+	<div class="info" v-if="appearNote._prId_"><i class="fas fa-bullhorn"></i> {{ $ts.promotion }}<button class="_textButton hide" @click="readPromo()">{{ $ts.hideThisNote }} <i class="fas fa-times"></i></button></div>
+	<div class="info" v-if="appearNote._featuredId_"><i class="fas fa-bolt"></i> {{ $ts.featured }}</div>
+	<div class="renote" v-if="isRenote">
+		<MkAvatar class="avatar" :user="note.user"/>
+		<i class="fas fa-retweet"></i>
+		<I18n :src="$ts.renotedBy" tag="span">
+			<template #user>
+				<MkA class="name" :to="userPage(note.user)" v-user-preview="note.userId">
+					<MkUserName :user="note.user"/>
+				</MkA>
+			</template>
+		</I18n>
+		<div class="info">
+			<button class="_button time" @click="showRenoteMenu()" ref="renoteTime">
+				<i v-if="isMyRenote" class="fas fa-ellipsis-h dropdownIcon"></i>
+				<MkTime :time="note.createdAt"/>
+			</button>
+			<span class="visibility" v-if="note.visibility !== 'public'">
+				<i v-if="note.visibility === 'home'" class="fas fa-home"></i>
+				<i v-else-if="note.visibility === 'followers'" class="fas fa-unlock"></i>
+				<i v-else-if="note.visibility === 'specified'" class="fas fa-envelope"></i>
+			</span>
+			<span class="localOnly" v-if="note.localOnly"><i class="fas fa-biohazard"></i></span>
+		</div>
+	</div>
+	<article class="article" @contextmenu.stop="onContextmenu">
+		<MkAvatar class="avatar" :user="appearNote.user"/>
+		<div class="main">
+			<XNoteHeader class="header" :note="appearNote" :mini="true"/>
+			<MkInstanceTicker v-if="showTicker" class="ticker" :instance="appearNote.user.instance"/>
+			<div class="body">
+				<p v-if="appearNote.cw != null" class="cw">
+					<Mfm v-if="appearNote.cw != ''" class="text" :text="appearNote.cw" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
+					<XCwButton v-model="showContent" :note="appearNote"/>
+				</p>
+				<div class="content" :class="{ collapsed }" v-show="appearNote.cw == null || showContent">
+					<div class="text">
+						<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ $ts.private }})</span>
+						<MkA class="reply" v-if="appearNote.replyId" :to="`/notes/${appearNote.replyId}`"><i class="fas fa-reply"></i></MkA>
+						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
+						<a class="rp" v-if="appearNote.renote != null">RN:</a>
+					</div>
+					<div class="files" v-if="appearNote.files.length > 0">
+						<XMediaList :media-list="appearNote.files"/>
+					</div>
+					<XPoll v-if="appearNote.poll" :note="appearNote" ref="pollViewer" class="poll"/>
+					<MkUrlPreview v-for="url in urls" :url="url" :key="url" :compact="true" :detail="false" class="url-preview"/>
+					<div class="renote" v-if="appearNote.renote"><XNoteSimple :note="appearNote.renote"/></div>
+					<button v-if="collapsed" class="fade _button" @click="collapsed = false">
+						<span>{{ $ts.showMore }}</span>
+					</button>
+				</div>
+				<MkA v-if="appearNote.channel && !inChannel" class="channel" :to="`/channels/${appearNote.channel.id}`"><i class="fas fa-satellite-dish"></i> {{ appearNote.channel.name }}</MkA>
+			</div>
+			<XReactionsViewer :note="appearNote" ref="reactionsViewer"/>
+			<footer class="footer _panel">
+				<button @click="reply()" class="button _button" v-tooltip="$ts.reply">
+					<template v-if="appearNote.reply"><i class="fas fa-reply-all"></i></template>
+					<template v-else><i class="fas fa-reply"></i></template>
+					<p class="count" v-if="appearNote.repliesCount > 0">{{ appearNote.repliesCount }}</p>
+				</button>
+				<button v-if="canRenote" @click="renote()" class="button _button" ref="renoteButton" v-tooltip="$ts.renote">
+					<i class="fas fa-retweet"></i><p class="count" v-if="appearNote.renoteCount > 0">{{ appearNote.renoteCount }}</p>
+				</button>
+				<button v-else class="button _button">
+					<i class="fas fa-ban"></i>
+				</button>
+				<button v-if="appearNote.myReaction == null" class="button _button" @click="react()" ref="reactButton" v-tooltip="$ts.reaction">
+					<i class="fas fa-plus"></i>
+				</button>
+				<button v-if="appearNote.myReaction != null" class="button _button reacted" @click="undoReact(appearNote)" ref="reactButton" v-tooltip="$ts.reaction">
+					<i class="fas fa-minus"></i>
+				</button>
+				<button class="button _button" @click="menu()" ref="menuButton">
+					<i class="fas fa-ellipsis-h"></i>
+				</button>
+			</footer>
+		</div>
+	</article>
+</div>
+<div v-else class="muted" @click="muted = false">
+	<I18n :src="$ts.userSaysSomething" tag="small">
+		<template #name>
+			<MkA class="name" :to="userPage(appearNote.user)" v-user-preview="appearNote.userId">
+				<MkUserName :user="appearNote.user"/>
+			</MkA>
+		</template>
+	</I18n>
+</div>
+</template>
+
+<script lang="ts">
+import { defineAsyncComponent, defineComponent, markRaw } from 'vue';
+import * as mfm from 'mfm-js';
+import { sum } from '@/scripts/array';
+import XSub from './note.sub.vue';
+import XNoteHeader from './note-header.vue';
+import XNoteSimple from './note-preview.vue';
+import XReactionsViewer from '@/components/reactions-viewer.vue';
+import XMediaList from '@/components/media-list.vue';
+import XCwButton from '@/components/cw-button.vue';
+import XPoll from '@/components/poll.vue';
+import { pleaseLogin } from '@/scripts/please-login';
+import { focusPrev, focusNext } from '@/scripts/focus';
+import { url } from '@/config';
+import copyToClipboard from '@/scripts/copy-to-clipboard';
+import { checkWordMute } from '@/scripts/check-word-mute';
+import { userPage } from '@/filters/user';
+import * as os from '@/os';
+import { noteActions, noteViewInterruptors } from '@/store';
+import { reactionPicker } from '@/scripts/reaction-picker';
+import { extractUrlFromMfm } from '@/scripts/extract-url-from-mfm';
+
+export default defineComponent({
+	components: {
+		XSub,
+		XNoteHeader,
+		XNoteSimple,
+		XReactionsViewer,
+		XMediaList,
+		XCwButton,
+		XPoll,
+		MkUrlPreview: defineAsyncComponent(() => import('@/components/url-preview.vue')),
+		MkInstanceTicker: defineAsyncComponent(() => import('@/components/instance-ticker.vue')),
+	},
+
+	inject: {
+		inChannel: {
+			default: null
+		},
+	},
+
+	props: {
+		note: {
+			type: Object,
+			required: true
+		},
+		pinned: {
+			type: Boolean,
+			required: false,
+			default: false
+		},
+	},
+
+	emits: ['update:note'],
+
+	data() {
+		return {
+			connection: null,
+			replies: [],
+			showContent: false,
+			collapsed: false,
+			isDeleted: false,
+			muted: false,
+			operating: false,
+		};
+	},
+
+	computed: {
+		rs() {
+			return this.$store.state.reactions;
+		},
+		keymap(): any {
+			return {
+				'r': () => this.reply(true),
+				'e|a|plus': () => this.react(true),
+				'q': () => this.renote(true),
+				'f|b': this.favorite,
+				'delete|ctrl+d': this.del,
+				'ctrl+q': this.renoteDirectly,
+				'up|k|shift+tab': this.focusBefore,
+				'down|j|tab': this.focusAfter,
+				'esc': this.blur,
+				'm|o': () => this.menu(true),
+				's': this.toggleShowContent,
+				'1': () => this.reactDirectly(this.rs[0]),
+				'2': () => this.reactDirectly(this.rs[1]),
+				'3': () => this.reactDirectly(this.rs[2]),
+				'4': () => this.reactDirectly(this.rs[3]),
+				'5': () => this.reactDirectly(this.rs[4]),
+				'6': () => this.reactDirectly(this.rs[5]),
+				'7': () => this.reactDirectly(this.rs[6]),
+				'8': () => this.reactDirectly(this.rs[7]),
+				'9': () => this.reactDirectly(this.rs[8]),
+				'0': () => this.reactDirectly(this.rs[9]),
+			};
+		},
+
+		isRenote(): boolean {
+			return (this.note.renote &&
+				this.note.text == null &&
+				this.note.fileIds.length == 0 &&
+				this.note.poll == null);
+		},
+
+		appearNote(): any {
+			return this.isRenote ? this.note.renote : this.note;
+		},
+
+		isMyNote(): boolean {
+			return this.$i && (this.$i.id === this.appearNote.userId);
+		},
+
+		isMyRenote(): boolean {
+			return this.$i && (this.$i.id === this.note.userId);
+		},
+
+		canRenote(): boolean {
+			return ['public', 'home'].includes(this.appearNote.visibility) || this.isMyNote;
+		},
+
+		reactionsCount(): number {
+			return this.appearNote.reactions
+				? sum(Object.values(this.appearNote.reactions))
+				: 0;
+		},
+
+		urls(): string[] {
+			if (this.appearNote.text) {
+				return extractUrlFromMfm(mfm.parse(this.appearNote.text));
+			} else {
+				return null;
+			}
+		},
+
+		showTicker() {
+			if (this.$store.state.instanceTicker === 'always') return true;
+			if (this.$store.state.instanceTicker === 'remote' && this.appearNote.user.instance) return true;
+			return false;
+		}
+	},
+
+	async created() {
+		if (this.$i) {
+			this.connection = os.stream;
+		}
+
+		this.collapsed = this.appearNote.cw == null && this.appearNote.text && (
+			(this.appearNote.text.split('\n').length > 9) ||
+			(this.appearNote.text.length > 500)
+		);
+		this.muted = await checkWordMute(this.appearNote, this.$i, this.$store.state.mutedWords);
+
+		// plugin
+		if (noteViewInterruptors.length > 0) {
+			let result = this.note;
+			for (const interruptor of noteViewInterruptors) {
+				result = await interruptor.handler(JSON.parse(JSON.stringify(result)));
+			}
+			this.$emit('update:note', Object.freeze(result));
+		}
+	},
+
+	mounted() {
+		this.capture(true);
+
+		if (this.$i) {
+			this.connection.on('_connected_', this.onStreamConnected);
+		}
+	},
+
+	beforeUnmount() {
+		this.decapture(true);
+
+		if (this.$i) {
+			this.connection.off('_connected_', this.onStreamConnected);
+		}
+	},
+
+	methods: {
+		updateAppearNote(v) {
+			this.$emit('update:note', Object.freeze(this.isRenote ? {
+				...this.note,
+				renote: {
+					...this.note.renote,
+					...v
+				}
+			} : {
+				...this.note,
+				...v
+			}));
+		},
+
+		readPromo() {
+			os.api('promo/read', {
+				noteId: this.appearNote.id
+			});
+			this.isDeleted = true;
+		},
+
+		capture(withHandler = false) {
+			if (this.$i) {
+				// TODO: このノートがストリーミング経由で流れてきた場合のみ sr する
+				this.connection.send(document.body.contains(this.$el) ? 'sr' : 's', { id: this.appearNote.id });
+				if (withHandler) this.connection.on('noteUpdated', this.onStreamNoteUpdated);
+			}
+		},
+
+		decapture(withHandler = false) {
+			if (this.$i) {
+				this.connection.send('un', {
+					id: this.appearNote.id
+				});
+				if (withHandler) this.connection.off('noteUpdated', this.onStreamNoteUpdated);
+			}
+		},
+
+		onStreamConnected() {
+			this.capture();
+		},
+
+		onStreamNoteUpdated(data) {
+			const { type, id, body } = data;
+
+			if (id !== this.appearNote.id) return;
+
+			switch (type) {
+				case 'reacted': {
+					const reaction = body.reaction;
+
+					// DeepではなくShallowコピーであることに注意。n.reactions[reaction] = hogeとかしないように(親からもらったデータをミューテートすることになるので)
+					let n = {
+						...this.appearNote,
+					};
+
+					if (body.emoji) {
+						const emojis = this.appearNote.emojis || [];
+						if (!emojis.includes(body.emoji)) {
+							n.emojis = [...emojis, body.emoji];
+						}
+					}
+
+					// TODO: reactionsプロパティがない場合ってあったっけ？ なければ || {} は消せる
+					const currentCount = (this.appearNote.reactions || {})[reaction] || 0;
+
+					// Increment the count
+					n.reactions = {
+						...this.appearNote.reactions,
+						[reaction]: currentCount + 1
+					};
+
+					if (body.userId === this.$i.id) {
+						n.myReaction = reaction;
+					}
+
+					this.updateAppearNote(n);
+					break;
+				}
+
+				case 'unreacted': {
+					const reaction = body.reaction;
+
+					// DeepではなくShallowコピーであることに注意。n.reactions[reaction] = hogeとかしないように(親からもらったデータをミューテートすることになるので)
+					let n = {
+						...this.appearNote,
+					};
+
+					// TODO: reactionsプロパティがない場合ってあったっけ？ なければ || {} は消せる
+					const currentCount = (this.appearNote.reactions || {})[reaction] || 0;
+
+					// Decrement the count
+					n.reactions = {
+						...this.appearNote.reactions,
+						[reaction]: Math.max(0, currentCount - 1)
+					};
+
+					if (body.userId === this.$i.id) {
+						n.myReaction = null;
+					}
+
+					this.updateAppearNote(n);
+					break;
+				}
+
+				case 'pollVoted': {
+					const choice = body.choice;
+
+					// DeepではなくShallowコピーであることに注意。n.reactions[reaction] = hogeとかしないように(親からもらったデータをミューテートすることになるので)
+					let n = {
+						...this.appearNote,
+					};
+
+					const choices = [...this.appearNote.poll.choices];
+					choices[choice] = {
+						...choices[choice],
+						votes: choices[choice].votes + 1,
+						...(body.userId === this.$i.id ? {
+							isVoted: true
+						} : {})
+					};
+
+					n.poll = {
+						...this.appearNote.poll,
+						choices: choices
+					};
+
+					this.updateAppearNote(n);
+					break;
+				}
+
+				case 'deleted': {
+					this.isDeleted = true;
+					break;
+				}
+			}
+		},
+
+		reply(viaKeyboard = false) {
+			pleaseLogin();
+			this.operating = true;
+			os.post({
+				reply: this.appearNote,
+				animation: !viaKeyboard,
+			}, () => {
+				this.operating = false;
+				this.focus();
+			});
+		},
+
+		renote(viaKeyboard = false) {
+			pleaseLogin();
+			this.operating = true;
+			this.blur();
+			os.popupMenu([{
+				text: this.$ts.renote,
+				icon: 'fas fa-retweet',
+				action: () => {
+					os.api('notes/create', {
+						renoteId: this.appearNote.id
+					});
+				}
+			}, {
+				text: this.$ts.quote,
+				icon: 'fas fa-quote-right',
+				action: () => {
+					os.post({
+						renote: this.appearNote,
+					});
+				}
+			}], this.$refs.renoteButton, {
+				viaKeyboard
+			}).then(() => {
+				this.operating = false;
+			});
+		},
+
+		renoteDirectly() {
+			os.apiWithDialog('notes/create', {
+				renoteId: this.appearNote.id
+			}, undefined, (res: any) => {
+				os.dialog({
+					type: 'success',
+					text: this.$ts.renoted,
+				});
+			}, (e: Error) => {
+				if (e.id === 'b5c90186-4ab0-49c8-9bba-a1f76c282ba4') {
+					os.dialog({
+						type: 'error',
+						text: this.$ts.cantRenote,
+					});
+				} else if (e.id === 'fd4cc33e-2a37-48dd-99cc-9b806eb2031a') {
+					os.dialog({
+						type: 'error',
+						text: this.$ts.cantReRenote,
+					});
+				}
+			});
+		},
+
+		async react(viaKeyboard = false) {
+			pleaseLogin();
+			this.operating = true;
+			this.blur();
+			reactionPicker.show(this.$refs.reactButton, reaction => {
+				os.api('notes/reactions/create', {
+					noteId: this.appearNote.id,
+					reaction: reaction
+				});
+			}, () => {
+				this.operating = false;
+				this.focus();
+			});
+		},
+
+		reactDirectly(reaction) {
+			os.api('notes/reactions/create', {
+				noteId: this.appearNote.id,
+				reaction: reaction
+			});
+		},
+
+		undoReact(note) {
+			const oldReaction = note.myReaction;
+			if (!oldReaction) return;
+			os.api('notes/reactions/delete', {
+				noteId: note.id
+			});
+		},
+
+		favorite() {
+			pleaseLogin();
+			os.apiWithDialog('notes/favorites/create', {
+				noteId: this.appearNote.id
+			}, undefined, (res: any) => {
+				os.dialog({
+					type: 'success',
+					text: this.$ts.favorited,
+				});
+			}, (e: Error) => {
+				if (e.id === 'a402c12b-34dd-41d2-97d8-4d2ffd96a1a6') {
+					os.dialog({
+						type: 'error',
+						text: this.$ts.alreadyFavorited,
+					});
+				} else if (e.id === '6dd26674-e060-4816-909a-45ba3f4da458') {
+					os.dialog({
+						type: 'error',
+						text: this.$ts.cantFavorite,
+					});
+				}
+			});
+		},
+
+		del() {
+			os.dialog({
+				type: 'warning',
+				text: this.$ts.noteDeleteConfirm,
+				showCancelButton: true
+			}).then(({ canceled }) => {
+				if (canceled) return;
+
+				os.api('notes/delete', {
+					noteId: this.appearNote.id
+				});
+			});
+		},
+
+		delEdit() {
+			os.dialog({
+				type: 'warning',
+				text: this.$ts.deleteAndEditConfirm,
+				showCancelButton: true
+			}).then(({ canceled }) => {
+				if (canceled) return;
+
+				os.api('notes/delete', {
+					noteId: this.appearNote.id
+				});
+
+				os.post({ initialNote: this.appearNote, renote: this.appearNote.renote, reply: this.appearNote.reply, channel: this.appearNote.channel });
+			});
+		},
+
+		toggleFavorite(favorite: boolean) {
+			os.apiWithDialog(favorite ? 'notes/favorites/create' : 'notes/favorites/delete', {
+				noteId: this.appearNote.id
+			});
+		},
+
+		toggleWatch(watch: boolean) {
+			os.apiWithDialog(watch ? 'notes/watching/create' : 'notes/watching/delete', {
+				noteId: this.appearNote.id
+			});
+		},
+
+		getMenu() {
+			let menu;
+			if (this.$i) {
+				const statePromise = os.api('notes/state', {
+					noteId: this.appearNote.id
+				});
+
+				menu = [{
+					icon: 'fas fa-copy',
+					text: this.$ts.copyContent,
+					action: this.copyContent
+				}, {
+					icon: 'fas fa-link',
+					text: this.$ts.copyLink,
+					action: this.copyLink
+				}, (this.appearNote.url || this.appearNote.uri) ? {
+					icon: 'fas fa-external-link-square-alt',
+					text: this.$ts.showOnRemote,
+					action: () => {
+						window.open(this.appearNote.url || this.appearNote.uri, '_blank');
+					}
+				} : undefined,
+				{
+					icon: 'fas fa-share-alt',
+					text: this.$ts.share,
+					action: this.share
+				},
+				null,
+				statePromise.then(state => state.isFavorited ? {
+					icon: 'fas fa-star',
+					text: this.$ts.unfavorite,
+					action: () => this.toggleFavorite(false)
+				} : {
+					icon: 'fas fa-star',
+					text: this.$ts.favorite,
+					action: () => this.toggleFavorite(true)
+				}),
+				{
+					icon: 'fas fa-paperclip',
+					text: this.$ts.clip,
+					action: () => this.clip()
+				},
+				(this.appearNote.userId != this.$i.id) ? statePromise.then(state => state.isWatching ? {
+					icon: 'fas fa-eye-slash',
+					text: this.$ts.unwatch,
+					action: () => this.toggleWatch(false)
+				} : {
+					icon: 'fas fa-eye',
+					text: this.$ts.watch,
+					action: () => this.toggleWatch(true)
+				}) : undefined,
+				this.appearNote.userId == this.$i.id ? (this.$i.pinnedNoteIds || []).includes(this.appearNote.id) ? {
+					icon: 'fas fa-thumbtack',
+					text: this.$ts.unpin,
+					action: () => this.togglePin(false)
+				} : {
+					icon: 'fas fa-thumbtack',
+					text: this.$ts.pin,
+					action: () => this.togglePin(true)
+				} : undefined,
+				...(this.$i.isModerator || this.$i.isAdmin ? [
+					null,
+					{
+						icon: 'fas fa-bullhorn',
+						text: this.$ts.promote,
+						action: this.promote
+					}]
+					: []
+				),
+				...(this.appearNote.userId != this.$i.id ? [
+					null,
+					{
+						icon: 'fas fa-exclamation-circle',
+						text: this.$ts.reportAbuse,
+						action: () => {
+							const u = `${url}/notes/${this.appearNote.id}`;
+							os.popup(import('@/components/abuse-report-window.vue'), {
+								user: this.appearNote.user,
+								initialComment: `Note: ${u}\n-----\n`
+							}, {}, 'closed');
+						}
+					}]
+					: []
+				),
+				...(this.appearNote.userId == this.$i.id || this.$i.isModerator || this.$i.isAdmin ? [
+					null,
+					this.appearNote.userId == this.$i.id ? {
+						icon: 'fas fa-edit',
+						text: this.$ts.deleteAndEdit,
+						action: this.delEdit
+					} : undefined,
+					{
+						icon: 'fas fa-trash-alt',
+						text: this.$ts.delete,
+						danger: true,
+						action: this.del
+					}]
+					: []
+				)]
+				.filter(x => x !== undefined);
+			} else {
+				menu = [{
+					icon: 'fas fa-copy',
+					text: this.$ts.copyContent,
+					action: this.copyContent
+				}, {
+					icon: 'fas fa-link',
+					text: this.$ts.copyLink,
+					action: this.copyLink
+				}, (this.appearNote.url || this.appearNote.uri) ? {
+					icon: 'fas fa-external-link-square-alt',
+					text: this.$ts.showOnRemote,
+					action: () => {
+						window.open(this.appearNote.url || this.appearNote.uri, '_blank');
+					}
+				} : undefined]
+				.filter(x => x !== undefined);
+			}
+
+			if (noteActions.length > 0) {
+				menu = menu.concat([null, ...noteActions.map(action => ({
+					icon: 'fas fa-plug',
+					text: action.title,
+					action: () => {
+						action.handler(this.appearNote);
+					}
+				}))]);
+			}
+
+			return menu;
+		},
+
+		onContextmenu(e) {
+			const isLink = (el: HTMLElement) => {
+				if (el.tagName === 'A') return true;
+				if (el.parentElement) {
+					return isLink(el.parentElement);
+				}
+			};
+			if (isLink(e.target)) return;
+			if (window.getSelection().toString() !== '') return;
+			
+			if (this.$store.state.useReactionPickerForContextMenu) {
+				e.preventDefault();
+				this.react();
+			} else {
+				os.contextMenu(this.getMenu(), e).then(this.focus);
+			}
+		},
+
+		menu(viaKeyboard = false) {
+			this.operating = true;
+			os.popupMenu(this.getMenu(), this.$refs.menuButton, {
+				viaKeyboard
+			}).then(() => {
+				this.operating = false;
+				this.focus();
+			});
+		},
+
+		showRenoteMenu(viaKeyboard = false) {
+			if (!this.isMyRenote) return;
+			os.popupMenu([{
+				text: this.$ts.unrenote,
+				icon: 'fas fa-trash-alt',
+				danger: true,
+				action: () => {
+					os.api('notes/delete', {
+						noteId: this.note.id
+					});
+					this.isDeleted = true;
+				}
+			}], this.$refs.renoteTime, {
+				viaKeyboard: viaKeyboard
+			});
+		},
+
+		toggleShowContent() {
+			this.showContent = !this.showContent;
+		},
+
+		copyContent() {
+			copyToClipboard(this.appearNote.text);
+			os.success();
+		},
+
+		copyLink() {
+			copyToClipboard(`${url}/notes/${this.appearNote.id}`);
+			os.success();
+		},
+
+		togglePin(pin: boolean) {
+			os.apiWithDialog(pin ? 'i/pin' : 'i/unpin', {
+				noteId: this.appearNote.id
+			}, undefined, null, e => {
+				if (e.id === '72dab508-c64d-498f-8740-a8eec1ba385a') {
+					os.dialog({
+						type: 'error',
+						text: this.$ts.pinLimitExceeded
+					});
+				}
+			});
+		},
+
+		async clip() {
+			const clips = await os.api('clips/list');
+			os.popupMenu([{
+				icon: 'fas fa-plus',
+				text: this.$ts.createNew,
+				action: async () => {
+					const { canceled, result } = await os.form(this.$ts.createNewClip, {
+						name: {
+							type: 'string',
+							label: this.$ts.name
+						},
+						description: {
+							type: 'string',
+							required: false,
+							multiline: true,
+							label: this.$ts.description
+						},
+						isPublic: {
+							type: 'boolean',
+							label: this.$ts.public,
+							default: false
+						}
+					});
+					if (canceled) return;
+
+					const clip = await os.apiWithDialog('clips/create', result);
+
+					os.apiWithDialog('clips/add-note', { clipId: clip.id, noteId: this.appearNote.id });
+				}
+			}, null, ...clips.map(clip => ({
+				text: clip.name,
+				action: () => {
+					os.apiWithDialog('clips/add-note', { clipId: clip.id, noteId: this.appearNote.id });
+				}
+			}))], this.$refs.menuButton, {
+			}).then(this.focus);
+		},
+
+		async promote() {
+			const { canceled, result: days } = await os.dialog({
+				title: this.$ts.numberOfDays,
+				input: { type: 'number' }
+			});
+
+			if (canceled) return;
+
+			os.apiWithDialog('admin/promo/create', {
+				noteId: this.appearNote.id,
+				expiresAt: Date.now() + (86400000 * days)
+			});
+		},
+
+		share() {
+			navigator.share({
+				title: this.$t('noteOf', { user: this.appearNote.user.name }),
+				text: this.appearNote.text,
+				url: `${url}/notes/${this.appearNote.id}`
+			});
+		},
+
+		focus() {
+			this.$el.focus();
+		},
+
+		blur() {
+			this.$el.blur();
+		},
+
+		focusBefore() {
+			focusPrev(this.$el);
+		},
+
+		focusAfter() {
+			focusNext(this.$el);
+		},
+
+		userPage
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.vfzoeqcg {
+	position: relative;
+	contain: content;
+
+	// これらの指定はパフォーマンス向上には有効だが、ノートの高さは一定でないため、
+	// 下の方までスクロールすると上のノートの高さがここで決め打ちされたものに変化し、表示しているノートの位置が変わってしまう
+	// ノートがマウントされたときに自身の高さを取得し contain-intrinsic-size を設定しなおせばほぼ解決できそうだが、
+	// 今度はその処理自体がパフォーマンス低下の原因にならないか懸念される。また、被リアクションでも高さは変化するため、やはり多少のズレは生じる
+	// 一度レンダリングされた要素はブラウザがよしなにサイズを覚えておいてくれるような実装になるまで待った方が良さそう(なるのか？)
+	//content-visibility: auto;
+  //contain-intrinsic-size: 0 128px;
+
+	&:focus-visible {
+		outline: none;
+	}
+
+	&:hover {
+		background: rgba(0, 0, 0, 0.05);
+	}
+
+	&:hover, &.operating {
+		> .article > .main > .footer {
+			display: block;
+		}
+	}
+
+	&.renote {
+		background: rgba(128, 255, 0, 0.05);
+	}
+
+	&.highlighted {
+		background: rgba(255, 128, 0, 0.05);
+	}
+
+	> .info {
+		display: flex;
+		align-items: center;
+		padding: 12px 16px 4px 16px;
+		line-height: 24px;
+		font-size: 85%;
+		white-space: pre;
+		color: #d28a3f;
+
+		> i {
+			margin-right: 4px;
+		}
+
+		> .hide {
+			margin-left: 16px;
+			color: inherit;
+			opacity: 0.7;
+		}
+	}
+
+	> .info + .article {
+		padding-top: 8px;
+	}
+
+	> .reply-to {
+		opacity: 0.7;
+		padding-bottom: 0;
+	}
+
+	> .renote {
+		display: flex;
+		align-items: center;
+		padding: 12px 16px 4px 16px;
+		line-height: 28px;
+		white-space: pre;
+		color: var(--renote);
+		font-size: 0.9em;
+
+		> .avatar {
+			flex-shrink: 0;
+			display: inline-block;
+			width: 28px;
+			height: 28px;
+			margin: 0 8px 0 0;
+			border-radius: 6px;
+		}
+
+		> i {
+			margin-right: 4px;
+		}
+
+		> span {
+			overflow: hidden;
+			flex-shrink: 1;
+			text-overflow: ellipsis;
+			white-space: nowrap;
+
+			> .name {
+				font-weight: bold;
+			}
+		}
+
+		> .info {
+			margin-left: 8px;
+			font-size: 0.9em;
+			opacity: 0.7;
+
+			> .time {
+				flex-shrink: 0;
+				color: inherit;
+
+				> .dropdownIcon {
+					margin-right: 4px;
+				}
+			}
+
+			> .visibility {
+				margin-left: 8px;
+			}
+
+			> .localOnly {
+				margin-left: 8px;
+			}
+		}
+	}
+
+	> .renote + .article {
+		padding-top: 8px;
+	}
+
+	> .article {
+		display: flex;
+		padding: 12px 16px;
+
+		> .avatar {
+			flex-shrink: 0;
+			display: block;
+			position: sticky;
+			top: 0;
+			margin: 0 14px 0 0;
+			width: 46px;
+			height: 46px;
+		}
+
+		> .main {
+			flex: 1;
+			min-width: 0;
+
+			> .body {
+				> .cw {
+					cursor: default;
+					display: block;
+					margin: 0;
+					padding: 0;
+					overflow-wrap: break-word;
+
+					> .text {
+						margin-right: 8px;
+					}
+				}
+
+				> .content {
+					&.collapsed {
+						position: relative;
+						max-height: 9em;
+						overflow: hidden;
+
+						> .fade {
+							display: block;
+							position: absolute;
+							bottom: 0;
+							left: 0;
+							width: 100%;
+							height: 64px;
+							background: linear-gradient(0deg, var(--panel), var(--X15));
+
+							> span {
+								display: inline-block;
+								background: var(--panel);
+								padding: 6px 10px;
+								font-size: 0.8em;
+								border-radius: 999px;
+								box-shadow: 0 2px 6px rgb(0 0 0 / 20%);
+							}
+
+							&:hover {
+								> span {
+									background: var(--panelHighlight);
+								}
+							}
+						}
+					}
+
+					> .text {
+						overflow-wrap: break-word;
+
+						> .reply {
+							color: var(--accent);
+							margin-right: 0.5em;
+						}
+
+						> .rp {
+							margin-left: 4px;
+							font-style: oblique;
+							color: var(--renote);
+						}
+					}
+
+					> .files {
+						max-width: 500px;
+					}
+
+					> .url-preview {
+						margin-top: 8px;
+						max-width: 500px;
+					}
+
+					> .poll {
+						font-size: 80%;
+						max-width: 500px;
+					}
+
+					> .renote {
+						padding: 8px 0;
+
+						> * {
+							padding: 16px;
+							border: dashed 1px var(--renote);
+							border-radius: 8px;
+						}
+					}
+				}
+
+				> .channel {
+					opacity: 0.7;
+					font-size: 80%;
+				}
+			}
+
+			> .footer {
+				display: none;
+				position: absolute;
+				top: 8px;
+				right: 8px;
+				padding: 0 6px;
+				opacity: 0.7;
+
+				&:hover {
+					opacity: 1;
+				}
+
+				> .button {
+					margin: 0;
+					padding: 8px;
+					opacity: 0.7;
+
+					&:hover {
+						color: var(--accent);
+					}
+
+					> .count {
+						display: inline;
+						margin: 0 0 0 8px;
+						opacity: 0.7;
+					}
+
+					&.reacted {
+						color: var(--accent);
+					}
+				}
+			}
+		}
+	}
+
+	> .reply {
+		border-top: solid 0.5px var(--divider);
+	}
+}
+
+.muted {
+	padding: 8px 16px;
+	opacity: 0.7;
+
+	&:hover {
+		background: rgba(0, 0, 0, 0.05);
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/notes.vue b/packages/client/src/ui/chat/notes.vue
new file mode 100644
index 0000000000..9103f717e6
--- /dev/null
+++ b/packages/client/src/ui/chat/notes.vue
@@ -0,0 +1,94 @@
+<template>
+<div class="">
+	<div class="_fullinfo" v-if="empty">
+		<img src="https://xn--931a.moe/assets/info.jpg" class="_ghost"/>
+		<div>{{ $ts.noNotes }}</div>
+	</div>
+
+	<MkLoading v-if="fetching"/>
+
+	<MkError v-if="error" @retry="init()"/>
+
+	<div v-show="more && reversed" style="margin-bottom: var(--margin);">
+		<MkButton style="margin: 0 auto;" @click="fetchMore" :disabled="moreFetching" :style="{ cursor: moreFetching ? 'wait' : 'pointer' }">
+			<template v-if="!moreFetching">{{ $ts.loadMore }}</template>
+			<template v-if="moreFetching"><MkLoading inline/></template>
+		</MkButton>
+	</div>
+
+	<XList ref="notes" :items="notes" v-slot="{ item: note }" :direction="reversed ? 'up' : 'down'" :reversed="reversed" :ad="true">
+		<XNote :note="note" @update:note="updated(note, $event)" :key="note._featuredId_ || note._prId_ || note.id"/>
+	</XList>
+
+	<div v-show="more && !reversed" style="margin-top: var(--margin);">
+		<MkButton style="margin: 0 auto;" v-appear="$store.state.enableInfiniteScroll ? fetchMore : null" @click="fetchMore" :disabled="moreFetching" :style="{ cursor: moreFetching ? 'wait' : 'pointer' }">
+			<template v-if="!moreFetching">{{ $ts.loadMore }}</template>
+			<template v-if="moreFetching"><MkLoading inline/></template>
+		</MkButton>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import paging from '@/scripts/paging';
+import XNote from './note.vue';
+import XList from './date-separated-list.vue';
+import MkButton from '@/components/ui/button.vue';
+
+export default defineComponent({
+	components: {
+		XNote, XList, MkButton,
+	},
+
+	mixins: [
+		paging({
+			before: (self) => {
+				self.$emit('before');
+			},
+
+			after: (self, e) => {
+				self.$emit('after', e);
+			}
+		}),
+	],
+
+	props: {
+		pagination: {
+			required: true
+		},
+
+		prop: {
+			type: String,
+			required: false
+		}
+	},
+
+	emits: ['before', 'after'],
+
+	computed: {
+		notes(): any[] {
+			return this.prop ? this.items.map(item => item[this.prop]) : this.items;
+		},
+
+		reversed(): boolean {
+			return this.pagination.reversed;
+		}
+	},
+
+	methods: {
+		updated(oldValue, newValue) {
+			const i = this.notes.findIndex(n => n === oldValue);
+			if (this.prop) {
+				this.items[i][this.prop] = newValue;
+			} else {
+				this.items[i] = newValue;
+			}
+		},
+
+		focus() {
+			this.$refs.notes.focus();
+		}
+	}
+});
+</script>
diff --git a/packages/client/src/ui/chat/pages/channel.vue b/packages/client/src/ui/chat/pages/channel.vue
new file mode 100644
index 0000000000..5152af20f9
--- /dev/null
+++ b/packages/client/src/ui/chat/pages/channel.vue
@@ -0,0 +1,259 @@
+<template>
+<div v-if="channel" class="hhizbblb">
+	<div class="info" v-if="date">
+		<MkInfo>{{ $ts.showingPastTimeline }} <button class="_textButton clear" @click="timetravel()">{{ $ts.clear }}</button></MkInfo>
+	</div>
+	<div class="tl" ref="body">
+		<div class="new" v-if="queue > 0" :style="{ width: width + 'px', bottom: bottom + 'px' }"><button class="_buttonPrimary" @click="goTop()">{{ $ts.newNoteRecived }}</button></div>
+		<XNotes class="tl" ref="tl" :pagination="pagination" @queue="queueUpdated" v-follow="true"/>
+	</div>
+	<div class="bottom">
+		<div class="typers" v-if="typers.length > 0">
+			<I18n :src="$ts.typingUsers" text-tag="span" class="users">
+				<template #users>
+					<b v-for="user in typers" :key="user.id" class="user">{{ user.username }}</b>
+				</template>
+			</I18n>
+			<MkEllipsis/>
+		</div>
+		<XPostForm :channel="channel"/>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { computed, defineComponent, markRaw } from 'vue';
+import * as Misskey from 'misskey-js';
+import XNotes from '../notes.vue';
+import * as os from '@/os';
+import * as sound from '@/scripts/sound';
+import { scrollToBottom, getScrollPosition, getScrollContainer } from '@/scripts/scroll';
+import follow from '@/directives/follow-append';
+import XPostForm from '../post-form.vue';
+import MkInfo from '@/components/ui/info.vue';
+import * as symbols from '@/symbols';
+
+export default defineComponent({
+	components: {
+		XNotes,
+		XPostForm,
+		MkInfo,
+	},
+
+	directives: {
+		follow
+	},
+	
+	provide() {
+		return {
+			inChannel: true
+		};
+	},
+
+	props: {
+		channelId: {
+			type: String,
+			required: true
+		},
+	},
+
+	data() {
+		return {
+			channel: null as Misskey.entities.Channel | null,
+			connection: null,
+			pagination: null,
+			baseQuery: {
+				includeMyRenotes: this.$store.state.showMyRenotes,
+				includeRenotedMyNotes: this.$store.state.showRenotedMyNotes,
+				includeLocalRenotes: this.$store.state.showLocalRenotes
+			},
+			queue: 0,
+			width: 0,
+			top: 0,
+			bottom: 0,
+			typers: [],
+			date: null,
+			[symbols.PAGE_INFO]: computed(() => ({
+				title: this.channel ? this.channel.name : '-',
+				subtitle: this.channel ? this.channel.description : '-',
+				icon: 'fas fa-satellite-dish',
+				actions: [{
+					icon: this.channel?.isFollowing ? 'fas fa-star' : 'far fa-star',
+					text: this.channel?.isFollowing ? this.$ts.unfollow : this.$ts.follow,
+					highlighted: this.channel?.isFollowing,
+					handler: this.toggleChannelFollow
+				}, {
+					icon: 'fas fa-search',
+					text: this.$ts.inChannelSearch,
+					handler: this.inChannelSearch
+				}, {
+					icon: 'fas fa-calendar-alt',
+					text: this.$ts.jumpToSpecifiedDate,
+					handler: this.timetravel
+				}]
+			})),
+		};
+	},
+
+	async created() {
+		this.channel = await os.api('channels/show', { channelId: this.channelId });
+
+		const prepend = note => {
+			(this.$refs.tl as any).prepend(note);
+
+			this.$emit('note');
+
+			sound.play(note.userId === this.$i.id ? 'noteMy' : 'note');
+		};
+
+		this.connection = markRaw(os.stream.useChannel('channel', {
+			channelId: this.channelId
+		}));
+		this.connection.on('note', prepend);
+		this.connection.on('typers', typers => {
+			this.typers = this.$i ? typers.filter(u => u.id !== this.$i.id) : typers;
+		});
+
+		this.pagination = {
+			endpoint: 'channels/timeline',
+			reversed: true,
+			limit: 10,
+			params: init => ({
+				channelId: this.channelId,
+				untilDate: this.date?.getTime(),
+				...this.baseQuery
+			})
+		};
+	},
+
+	mounted() {
+
+	},
+
+	beforeUnmount() {
+		this.connection.dispose();
+	},
+
+	methods: {
+		focus() {
+			this.$refs.body.focus();
+		},
+
+		goTop() {
+			const container = getScrollContainer(this.$refs.body);
+			container.scrollTop = 0;
+		},
+
+		queueUpdated(q) {
+			if (this.$refs.body.offsetWidth !== 0) {
+				const rect = this.$refs.body.getBoundingClientRect();
+				this.width = this.$refs.body.offsetWidth;
+				this.top = rect.top;
+				this.bottom = this.$refs.body.offsetHeight;
+			}
+			this.queue = q;
+		},
+
+		async inChannelSearch() {
+			const { canceled, result: query } = await os.dialog({
+				title: this.$ts.inChannelSearch,
+				input: true
+			});
+			if (canceled || query == null || query === '') return;
+			router.push(`/search?q=${encodeURIComponent(query)}&channel=${this.channelId}`);
+		},
+
+		async toggleChannelFollow() {
+			if (this.channel.isFollowing) {
+				await os.apiWithDialog('channels/unfollow', {
+					channelId: this.channel.id
+				});
+				this.channel.isFollowing = false;
+			} else {
+				await os.apiWithDialog('channels/follow', {
+					channelId: this.channel.id
+				});
+				this.channel.isFollowing = true;
+			}
+		},
+
+		openChannelMenu(ev) {
+			os.popupMenu([{
+				text: this.$ts.copyUrl,
+				icon: 'fas fa-link',
+				action: () => {
+					copyToClipboard(`${url}/channels/${this.currentChannel.id}`);
+				}
+			}], ev.currentTarget || ev.target);
+		},
+
+		timetravel(date?: Date) {
+			this.date = date;
+			this.$refs.tl.reload();
+		}
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.hhizbblb {
+	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;
+
+			> button {
+				display: block;
+				margin: 16px auto;
+				padding: 8px 16px;
+				border-radius: 32px;
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/pages/timeline.vue b/packages/client/src/ui/chat/pages/timeline.vue
new file mode 100644
index 0000000000..f4dfdf891e
--- /dev/null
+++ b/packages/client/src/ui/chat/pages/timeline.vue
@@ -0,0 +1,221 @@
+<template>
+<div class="dbiokgaf">
+	<div class="info" v-if="date">
+		<MkInfo>{{ $ts.showingPastTimeline }} <button class="_textButton clear" @click="timetravel()">{{ $ts.clear }}</button></MkInfo>
+	</div>
+	<div class="top">
+		<XPostForm/>
+	</div>
+	<div class="tl" ref="body">
+		<div class="new" v-if="queue > 0" :style="{ width: width + 'px', top: top + 'px' }"><button class="_buttonPrimary" @click="goTop()">{{ $ts.newNoteRecived }}</button></div>
+		<XNotes class="tl" ref="tl" :pagination="pagination" @queue="queueUpdated"/>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { computed, defineComponent, markRaw } from 'vue';
+import XNotes from '../notes.vue';
+import * as os from '@/os';
+import * as sound from '@/scripts/sound';
+import { scrollToBottom, getScrollPosition, getScrollContainer } from '@/scripts/scroll';
+import follow from '@/directives/follow-append';
+import XPostForm from '../post-form.vue';
+import MkInfo from '@/components/ui/info.vue';
+import * as symbols from '@/symbols';
+
+export default defineComponent({
+	components: {
+		XNotes,
+		XPostForm,
+		MkInfo,
+	},
+
+	directives: {
+		follow
+	},
+
+	props: {
+		src: {
+			type: String,
+			required: true
+		},
+	},
+
+	data() {
+		return {
+			connection: null,
+			connection2: null,
+			pagination: null,
+			baseQuery: {
+				includeMyRenotes: this.$store.state.showMyRenotes,
+				includeRenotedMyNotes: this.$store.state.showRenotedMyNotes,
+				includeLocalRenotes: this.$store.state.showLocalRenotes
+			},
+			query: {},
+			queue: 0,
+			width: 0,
+			top: 0,
+			bottom: 0,
+			typers: [],
+			date: null,
+			[symbols.PAGE_INFO]: computed(() => ({
+				title: this.$ts.timeline,
+				icon: 'fas fa-home',
+				actions: [{
+					icon: 'fas fa-calendar-alt',
+					text: this.$ts.jumpToSpecifiedDate,
+					handler: this.timetravel
+				}]
+			})),
+		};
+	},
+
+	created() {
+		const prepend = note => {
+			(this.$refs.tl as any).prepend(note);
+
+			this.$emit('note');
+
+			sound.play(note.userId === this.$i.id ? 'noteMy' : 'note');
+		};
+
+		const onChangeFollowing = () => {
+			if (!this.$refs.tl.backed) {
+				this.$refs.tl.reload();
+			}
+		};
+
+		let endpoint;
+
+		if (this.src == 'home') {
+			endpoint = 'notes/timeline';
+			this.connection = markRaw(os.stream.useChannel('homeTimeline'));
+			this.connection.on('note', prepend);
+
+			this.connection2 = markRaw(os.stream.useChannel('main'));
+			this.connection2.on('follow', onChangeFollowing);
+			this.connection2.on('unfollow', onChangeFollowing);
+		} else if (this.src == 'local') {
+			endpoint = 'notes/local-timeline';
+			this.connection = markRaw(os.stream.useChannel('localTimeline'));
+			this.connection.on('note', prepend);
+		} else if (this.src == 'social') {
+			endpoint = 'notes/hybrid-timeline';
+			this.connection = markRaw(os.stream.useChannel('hybridTimeline'));
+			this.connection.on('note', prepend);
+		} else if (this.src == 'global') {
+			endpoint = 'notes/global-timeline';
+			this.connection = markRaw(os.stream.useChannel('globalTimeline'));
+			this.connection.on('note', prepend);
+		}
+
+		this.pagination = {
+			endpoint: endpoint,
+			limit: 10,
+			params: init => ({
+				untilDate: this.date?.getTime(),
+				...this.baseQuery, ...this.query
+			})
+		};
+	},
+
+	mounted() {
+
+	},
+
+	beforeUnmount() {
+		this.connection.dispose();
+		if (this.connection2) this.connection2.dispose();
+	},
+
+	methods: {
+		focus() {
+			this.$refs.body.focus();
+		},
+
+		goTop() {
+			const container = getScrollContainer(this.$refs.body);
+			container.scrollTop = 0;
+		},
+
+		queueUpdated(q) {
+			if (this.$refs.body.offsetWidth !== 0) {
+				const rect = this.$refs.body.getBoundingClientRect();
+				this.width = this.$refs.body.offsetWidth;
+				this.top = rect.top;
+				this.bottom = this.$refs.body.offsetHeight;
+			}
+			this.queue = q;
+		},
+
+		timetravel(date?: Date) {
+			this.date = date;
+			this.$refs.tl.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;
+
+			> button {
+				display: block;
+				margin: 16px auto;
+				padding: 8px 16px;
+				border-radius: 32px;
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/post-form.vue b/packages/client/src/ui/chat/post-form.vue
new file mode 100644
index 0000000000..44461c4a58
--- /dev/null
+++ b/packages/client/src/ui/chat/post-form.vue
@@ -0,0 +1,772 @@
+<template>
+<div class="pxiwixjf"
+	@dragover.stop="onDragover"
+	@dragenter="onDragenter"
+	@dragleave="onDragleave"
+	@drop.stop="onDrop"
+>
+	<div class="form">
+		<div class="with-quote" v-if="quoteId"><i class="fas fa-quote-left"></i> {{ $ts.quoteAttached }}<button @click="quoteId = null"><i class="fas fa-times"></i></button></div>
+		<div v-if="visibility === 'specified'" class="to-specified">
+			<span style="margin-right: 8px;">{{ $ts.recipient }}</span>
+			<div class="visibleUsers">
+				<span v-for="u in visibleUsers" :key="u.id">
+					<MkAcct :user="u"/>
+					<button class="_button" @click="removeVisibleUser(u)"><i class="fas fa-times"></i></button>
+				</span>
+				<button @click="addVisibleUser" class="_buttonPrimary"><i class="fas fa-plus fa-fw"></i></button>
+			</div>
+		</div>
+		<input v-show="useCw" ref="cw" class="cw" v-model="cw" :placeholder="$ts.annotation" @keydown="onKeydown">
+		<textarea v-model="text" class="text" :class="{ withCw: useCw }" ref="text" :disabled="posting" :placeholder="placeholder" @keydown="onKeydown" @paste="onPaste" @compositionupdate="onCompositionUpdate" @compositionend="onCompositionEnd" />
+		<XPostFormAttaches class="attaches" :files="files" @updated="updateFiles" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName"/>
+		<XPollEditor v-if="poll" :poll="poll" @destroyed="poll = null" @updated="onPollUpdate"/>
+		<footer>
+			<div class="left">
+				<button class="_button" @click="chooseFileFrom" v-tooltip="$ts.attachFile"><i class="fas fa-photo-video"></i></button>
+				<button class="_button" @click="togglePoll" :class="{ active: poll }" v-tooltip="$ts.poll"><i class="fas fa-poll-h"></i></button>
+				<button class="_button" @click="useCw = !useCw" :class="{ active: useCw }" v-tooltip="$ts.useCw"><i class="fas fa-eye-slash"></i></button>
+				<button class="_button" @click="insertMention" v-tooltip="$ts.mention"><i class="fas fa-at"></i></button>
+				<button class="_button" @click="insertEmoji" v-tooltip="$ts.emoji"><i class="fas fa-laugh-squint"></i></button>
+				<button class="_button" @click="showActions" v-tooltip="$ts.plugin" v-if="postFormActions.length > 0"><i class="fas fa-plug"></i></button>
+			</div>
+			<div class="right">
+				<span class="text-count" :class="{ over: textLength > max }">{{ max - textLength }}</span>
+				<span class="local-only" v-if="localOnly"><i class="fas fa-biohazard"></i></span>
+				<button class="_button visibility" @click="setVisibility" ref="visibilityButton" v-tooltip="$ts.visibility" :disabled="channel != null">
+					<span v-if="visibility === 'public'"><i class="fas fa-globe"></i></span>
+					<span v-if="visibility === 'home'"><i class="fas fa-home"></i></span>
+					<span v-if="visibility === 'followers'"><i class="fas fa-unlock"></i></span>
+					<span v-if="visibility === 'specified'"><i class="fas fa-envelope"></i></span>
+				</button>
+				<button class="submit _buttonPrimary" :disabled="!canPost" @click="post">{{ submitText }}<i :class="reply ? 'fas fa-reply' : renote ? 'fas fa-quote-right' : 'fas fa-paper-plane'"></i></button>
+			</div>
+		</footer>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent, defineAsyncComponent } from 'vue';
+import insertTextAtCursor from 'insert-text-at-cursor';
+import { length } from 'stringz';
+import { toASCII } from 'punycode/';
+import * as mfm from 'mfm-js';
+import { host, url } from '@/config';
+import { erase, unique } from '@/scripts/array';
+import { extractMentions } from '@/scripts/extract-mentions';
+import * as Acct from 'misskey-js/built/acct';
+import { formatTimeString } from '@/scripts/format-time-string';
+import { Autocomplete } from '@/scripts/autocomplete';
+import * as os from '@/os';
+import { selectFile } from '@/scripts/select-file';
+import { notePostInterruptors, postFormActions } from '@/store';
+import { isMobile } from '@/scripts/is-mobile';
+import { throttle } from 'throttle-debounce';
+
+export default defineComponent({
+	components: {
+		XPostFormAttaches: defineAsyncComponent(() => import('@/components/post-form-attaches.vue')),
+		XPollEditor: defineAsyncComponent(() => import('@/components/poll-editor.vue'))
+	},
+
+	props: {
+		reply: {
+			type: Object,
+			required: false
+		},
+		renote: {
+			type: Object,
+			required: false
+		},
+		channel: {
+			type: String,
+			required: false
+		},
+		mention: {
+			type: Object,
+			required: false
+		},
+		specified: {
+			type: Object,
+			required: false
+		},
+		initialText: {
+			type: String,
+			required: false
+		},
+		initialNote: {
+			type: Object,
+			required: false
+		},
+		share: {
+			type: Boolean,
+			required: false,
+			default: false
+		},
+		autofocus: {
+			type: Boolean,
+			required: false,
+			default: false
+		},
+	},
+
+	emits: ['posted', 'cancel', 'esc'],
+
+	data() {
+		return {
+			posting: false,
+			text: '',
+			files: [],
+			poll: null,
+			useCw: false,
+			cw: null,
+			localOnly: this.$store.state.rememberNoteVisibility ? this.$store.state.localOnly : this.$store.state.defaultNoteLocalOnly,
+			visibility: this.$store.state.rememberNoteVisibility ? this.$store.state.visibility : this.$store.state.defaultNoteVisibility,
+			visibleUsers: [],
+			autocomplete: null,
+			draghover: false,
+			quoteId: null,
+			recentHashtags: JSON.parse(localStorage.getItem('hashtags') || '[]'),
+			imeText: '',
+			typing: throttle(3000, () => {
+				if (this.channel) {
+					os.stream.send('typingOnChannel', { channel: this.channel });
+				}
+			}),
+			postFormActions,
+		};
+	},
+
+	computed: {
+		draftKey(): string {
+			let key = this.channel ? `channel:${this.channel}` : '';
+
+			if (this.renote) {
+				key += `renote:${this.renote.id}`;
+			} else if (this.reply) {
+				key += `reply:${this.reply.id}`;
+			} else {
+				key += 'note';
+			}
+
+			return key;
+		},
+
+		placeholder(): string {
+			if (this.renote) {
+				return this.$ts._postForm.quotePlaceholder;
+			} else if (this.reply) {
+				return this.$ts._postForm.replyPlaceholder;
+			} else if (this.channel) {
+				return this.$ts._postForm.channelPlaceholder;
+			} else {
+				const xs = [
+					this.$ts._postForm._placeholders.a,
+					this.$ts._postForm._placeholders.b,
+					this.$ts._postForm._placeholders.c,
+					this.$ts._postForm._placeholders.d,
+					this.$ts._postForm._placeholders.e,
+					this.$ts._postForm._placeholders.f
+				];
+				return xs[Math.floor(Math.random() * xs.length)];
+			}
+		},
+
+		submitText(): string {
+			return this.renote
+				? this.$ts.quote
+				: this.reply
+					? this.$ts.reply
+					: this.$ts.note;
+		},
+
+		textLength(): number {
+			return length((this.text + this.imeText).trim());
+		},
+
+		canPost(): boolean {
+			return !this.posting &&
+				(1 <= this.textLength || 1 <= this.files.length || !!this.poll || !!this.renote) &&
+				(this.textLength <= this.max) &&
+				(!this.poll || this.poll.choices.length >= 2);
+		},
+
+		max(): number {
+			return this.$instance ? this.$instance.maxNoteTextLength : 1000;
+		}
+	},
+
+	mounted() {
+		if (this.initialText) {
+			this.text = this.initialText;
+		}
+
+		if (this.mention) {
+			this.text = this.mention.host ? `@${this.mention.username}@${toASCII(this.mention.host)}` : `@${this.mention.username}`;
+			this.text += ' ';
+		}
+
+		if (this.reply && this.reply.user.host != null) {
+			this.text = `@${this.reply.user.username}@${toASCII(this.reply.user.host)} `;
+		}
+
+		if (this.reply && this.reply.text != null) {
+			const ast = mfm.parse(this.reply.text);
+
+			for (const x of extractMentions(ast)) {
+				const mention = x.host ? `@${x.username}@${toASCII(x.host)}` : `@${x.username}`;
+
+				// 自分は除外
+				if (this.$i.username == x.username && x.host == null) continue;
+				if (this.$i.username == x.username && x.host == host) continue;
+
+				// 重複は除外
+				if (this.text.indexOf(`${mention} `) != -1) continue;
+
+				this.text += `${mention} `;
+			}
+		}
+
+		if (this.channel) {
+			this.visibility = 'public';
+			this.localOnly = true; // TODO: チャンネルが連合するようになった折には消す
+		}
+
+		// 公開以外へのリプライ時は元の公開範囲を引き継ぐ
+		if (this.reply && ['home', 'followers', 'specified'].includes(this.reply.visibility)) {
+			this.visibility = this.reply.visibility;
+			if (this.reply.visibility === 'specified') {
+				os.api('users/show', {
+					userIds: this.reply.visibleUserIds.filter(uid => uid !== this.$i.id && uid !== this.reply.userId)
+				}).then(users => {
+					this.visibleUsers.push(...users);
+				});
+
+				if (this.reply.userId !== this.$i.id) {
+					os.api('users/show', { userId: this.reply.userId }).then(user => {
+						this.visibleUsers.push(user);
+					});
+				}
+			}
+		}
+
+		if (this.specified) {
+			this.visibility = 'specified';
+			this.visibleUsers.push(this.specified);
+		}
+
+		// keep cw when reply
+		if (this.$store.state.keepCw && this.reply && this.reply.cw) {
+			this.useCw = true;
+			this.cw = this.reply.cw;
+		}
+
+		if (this.autofocus) {
+			this.focus();
+
+			this.$nextTick(() => {
+				this.focus();
+			});
+		}
+
+		// TODO: detach when unmount
+		new Autocomplete(this.$refs.text, this, { model: 'text' });
+		new Autocomplete(this.$refs.cw, this, { model: 'cw' });
+
+		this.$nextTick(() => {
+			// 書きかけの投稿を復元
+			if (!this.share && !this.mention && !this.specified) {
+				const draft = JSON.parse(localStorage.getItem('drafts') || '{}')[this.draftKey];
+				if (draft) {
+					this.text = draft.data.text;
+					this.useCw = draft.data.useCw;
+					this.cw = draft.data.cw;
+					this.visibility = draft.data.visibility;
+					this.localOnly = draft.data.localOnly;
+					this.files = (draft.data.files || []).filter(e => e);
+					if (draft.data.poll) {
+						this.poll = draft.data.poll;
+					}
+				}
+			}
+
+			// 削除して編集
+			if (this.initialNote) {
+				const init = this.initialNote;
+				this.text = init.text ? init.text : '';
+				this.files = init.files;
+				this.cw = init.cw;
+				this.useCw = init.cw != null;
+				if (init.poll) {
+					this.poll = init.poll;
+				}
+				this.visibility = init.visibility;
+				this.localOnly = init.localOnly;
+				this.quoteId = init.renote ? init.renote.id : null;
+			}
+
+			this.$nextTick(() => this.watch());
+		});
+	},
+
+	methods: {
+		watch() {
+			this.$watch('text', () => this.saveDraft());
+			this.$watch('useCw', () => this.saveDraft());
+			this.$watch('cw', () => this.saveDraft());
+			this.$watch('poll', () => this.saveDraft());
+			this.$watch('files', () => this.saveDraft(), { deep: true });
+			this.$watch('visibility', () => this.saveDraft());
+			this.$watch('localOnly', () => this.saveDraft());
+		},
+
+		togglePoll() {
+			if (this.poll) {
+				this.poll = null;
+			} else {
+				this.poll = {
+					choices: ['', ''],
+					multiple: false,
+					expiresAt: null,
+					expiredAfter: null,
+				};
+			}
+		},
+
+		addTag(tag: string) {
+			insertTextAtCursor(this.$refs.text, ` #${tag} `);
+		},
+
+		focus() {
+			(this.$refs.text as any).focus();
+		},
+
+		chooseFileFrom(ev) {
+			selectFile(ev.currentTarget || ev.target, this.$ts.attachFile, true).then(files => {
+				for (const file of files) {
+					this.files.push(file);
+				}
+			});
+		},
+
+		detachFile(id) {
+			this.files = this.files.filter(x => x.id != id);
+		},
+
+		updateFiles(files) {
+			this.files = files;
+		},
+
+		updateFileSensitive(file, sensitive) {
+			this.files[this.files.findIndex(x => x.id === file.id)].isSensitive = sensitive;
+		},
+
+		updateFileName(file, name) {
+			this.files[this.files.findIndex(x => x.id === file.id)].name = name;
+		},
+
+		upload(file: File, name?: string) {
+			os.upload(file, this.$store.state.uploadFolder, name).then(res => {
+				this.files.push(res);
+			});
+		},
+
+		onPollUpdate(poll) {
+			this.poll = poll;
+			this.saveDraft();
+		},
+
+		setVisibility() {
+			if (this.channel) {
+				// TODO: information dialog
+				return;
+			}
+
+			os.popup(import('@/components/visibility-picker.vue'), {
+				currentVisibility: this.visibility,
+				currentLocalOnly: this.localOnly,
+				src: this.$refs.visibilityButton
+			}, {
+				changeVisibility: visibility => {
+					this.visibility = visibility;
+					if (this.$store.state.rememberNoteVisibility) {
+						this.$store.set('visibility', visibility);
+					}
+				},
+				changeLocalOnly: localOnly => {
+					this.localOnly = localOnly;
+					if (this.$store.state.rememberNoteVisibility) {
+						this.$store.set('localOnly', localOnly);
+					}
+				}
+			}, 'closed');
+		},
+
+		addVisibleUser() {
+			os.selectUser().then(user => {
+				this.visibleUsers.push(user);
+			});
+		},
+
+		removeVisibleUser(user) {
+			this.visibleUsers = erase(user, this.visibleUsers);
+		},
+
+		clear() {
+			this.text = '';
+			this.files = [];
+			this.poll = null;
+			this.quoteId = null;
+		},
+
+		onKeydown(e: KeyboardEvent) {
+			if ((e.which === 10 || e.which === 13) && (e.ctrlKey || e.metaKey) && this.canPost) this.post();
+			if (e.which === 27) this.$emit('esc');
+			this.typing();
+		},
+
+		onCompositionUpdate(e: CompositionEvent) {
+			this.imeText = e.data;
+			this.typing();
+		},
+
+		onCompositionEnd(e: CompositionEvent) {
+			this.imeText = '';
+		},
+
+		async onPaste(e: ClipboardEvent) {
+			for (const { item, i } of Array.from(e.clipboardData.items).map((item, i) => ({item, i}))) {
+				if (item.kind == 'file') {
+					const file = item.getAsFile();
+					const lio = file.name.lastIndexOf('.');
+					const ext = lio >= 0 ? file.name.slice(lio) : '';
+					const formatted = `${formatTimeString(new Date(file.lastModified), this.$store.state.pastedFileName).replace(/{{number}}/g, `${i + 1}`)}${ext}`;
+					this.upload(file, formatted);
+				}
+			}
+
+			const paste = e.clipboardData.getData('text');
+
+			if (!this.renote && !this.quoteId && paste.startsWith(url + '/notes/')) {
+				e.preventDefault();
+
+				os.dialog({
+					type: 'info',
+					text: this.$ts.quoteQuestion,
+					showCancelButton: true
+				}).then(({ canceled }) => {
+					if (canceled) {
+						insertTextAtCursor(this.$refs.text, paste);
+						return;
+					}
+
+					this.quoteId = paste.substr(url.length).match(/^\/notes\/(.+?)\/?$/)[1];
+				});
+			}
+		},
+
+		onDragover(e) {
+			if (!e.dataTransfer.items[0]) return;
+			const isFile = e.dataTransfer.items[0].kind == 'file';
+			const isDriveFile = e.dataTransfer.types[0] == _DATA_TRANSFER_DRIVE_FILE_;
+			if (isFile || isDriveFile) {
+				e.preventDefault();
+				this.draghover = true;
+				e.dataTransfer.dropEffect = e.dataTransfer.effectAllowed == 'all' ? 'copy' : 'move';
+			}
+		},
+
+		onDragenter(e) {
+			this.draghover = true;
+		},
+
+		onDragleave(e) {
+			this.draghover = false;
+		},
+
+		onDrop(e): void {
+			this.draghover = false;
+
+			// ファイルだったら
+			if (e.dataTransfer.files.length > 0) {
+				e.preventDefault();
+				for (const x of Array.from(e.dataTransfer.files)) this.upload(x);
+				return;
+			}
+
+			//#region ドライブのファイル
+			const driveFile = e.dataTransfer.getData(_DATA_TRANSFER_DRIVE_FILE_);
+			if (driveFile != null && driveFile != '') {
+				const file = JSON.parse(driveFile);
+				this.files.push(file);
+				e.preventDefault();
+			}
+			//#endregion
+		},
+
+		saveDraft() {
+			const data = JSON.parse(localStorage.getItem('drafts') || '{}');
+
+			data[this.draftKey] = {
+				updatedAt: new Date(),
+				data: {
+					text: this.text,
+					useCw: this.useCw,
+					cw: this.cw,
+					visibility: this.visibility,
+					localOnly: this.localOnly,
+					files: this.files,
+					poll: this.poll
+				}
+			};
+
+			localStorage.setItem('drafts', JSON.stringify(data));
+		},
+
+		deleteDraft() {
+			const data = JSON.parse(localStorage.getItem('drafts') || '{}');
+
+			delete data[this.draftKey];
+
+			localStorage.setItem('drafts', JSON.stringify(data));
+		},
+
+		async post() {
+			let data = {
+				text: this.text == '' ? undefined : this.text,
+				fileIds: this.files.length > 0 ? this.files.map(f => f.id) : undefined,
+				replyId: this.reply ? this.reply.id : undefined,
+				renoteId: this.renote ? this.renote.id : this.quoteId ? this.quoteId : undefined,
+				channelId: this.channel ? this.channel : undefined,
+				poll: this.poll,
+				cw: this.useCw ? this.cw || '' : undefined,
+				localOnly: this.localOnly,
+				visibility: this.visibility,
+				visibleUserIds: this.visibility == 'specified' ? this.visibleUsers.map(u => u.id) : undefined,
+				viaMobile: isMobile
+			};
+
+			// plugin
+			if (notePostInterruptors.length > 0) {
+				for (const interruptor of notePostInterruptors) {
+					data = await interruptor.handler(JSON.parse(JSON.stringify(data)));
+				}
+			}
+
+			this.posting = true;
+			os.api('notes/create', data).then(() => {
+				this.clear();
+				this.$nextTick(() => {
+					this.deleteDraft();
+					this.$emit('posted');
+					if (this.text && this.text != '') {
+						const hashtags = mfm.parse(this.text).filter(x => x.type === 'hashtag').map(x => x.props.hashtag);
+						const history = JSON.parse(localStorage.getItem('hashtags') || '[]') as string[];
+						localStorage.setItem('hashtags', JSON.stringify(unique(hashtags.concat(history))));
+					}
+					this.posting = false;
+				});
+			}).catch(err => {
+				this.posting = false;
+				os.dialog({
+					type: 'error',
+					text: err.message + '\n' + (err as any).id,
+				});
+			});
+		},
+
+		cancel() {
+			this.$emit('cancel');
+		},
+
+		insertMention() {
+			os.selectUser().then(user => {
+				insertTextAtCursor(this.$refs.text, '@' + Acct.toString(user) + ' ');
+			});
+		},
+
+		async insertEmoji(ev) {
+			os.openEmojiPicker(ev.currentTarget || ev.target, {}, this.$refs.text);
+		},
+
+		showActions(ev) {
+			os.popupMenu(postFormActions.map(action => ({
+				text: action.title,
+				action: () => {
+					action.handler({
+						text: this.text
+					}, (key, value) => {
+						if (key === 'text') { this.text = value; }
+					});
+				}
+			})), ev.currentTarget || ev.target);
+		}
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.pxiwixjf {
+	position: relative;
+	border: solid 0.5px var(--divider);
+	border-radius: 8px;
+
+	> .form {
+		> .preview {
+			padding: 16px;
+		}
+
+		> .with-quote {
+			margin: 0 0 8px 0;
+			color: var(--accent);
+
+			> button {
+				padding: 4px 8px;
+				color: var(--accentAlpha04);
+
+				&:hover {
+					color: var(--accentAlpha06);
+				}
+
+				&:active {
+					color: var(--accentDarken30);
+				}
+			}
+		}
+
+		> .to-specified {
+			padding: 6px 24px;
+			margin-bottom: 8px;
+			overflow: auto;
+			white-space: nowrap;
+
+			> .visibleUsers {
+				display: inline;
+				top: -1px;
+				font-size: 14px;
+
+				> button {
+					padding: 4px;
+					border-radius: 8px;
+				}
+
+				> span {
+					margin-right: 14px;
+					padding: 8px 0 8px 8px;
+					border-radius: 8px;
+					background: var(--X4);
+
+					> button {
+						padding: 4px 8px;
+					}
+				}
+			}
+		}
+
+		> .cw,
+		> .text {
+			display: block;
+			box-sizing: border-box;
+			padding: 16px;
+			margin: 0;
+			width: 100%;
+			font-size: 16px;
+			border: none;
+			border-radius: 0;
+			background: transparent;
+			color: var(--fg);
+			font-family: inherit;
+
+			&:focus {
+				outline: none;
+			}
+
+			&:disabled {
+				opacity: 0.5;
+			}
+		}
+
+		> .cw {
+			z-index: 1;
+			padding-bottom: 8px;
+			border-bottom: solid 0.5px var(--divider);
+		}
+
+		> .text {
+			max-width: 100%;
+			min-width: 100%;
+			min-height: 60px;
+
+			&.withCw {
+				padding-top: 8px;
+			}
+		}
+
+		> footer {
+			$height: 44px;
+			display: flex;
+			padding: 0 8px 8px 8px;
+			line-height: $height;
+
+			> .left {
+				> button {
+					display: inline-block;
+					padding: 0;
+					margin: 0;
+					font-size: 16px;
+					width: $height;
+					height: $height;
+					border-radius: 6px;
+
+					&:hover {
+						background: var(--X5);
+					}
+
+					&.active {
+						color: var(--accent);
+					}
+				}
+			}
+
+			> .right {
+				margin-left: auto;
+
+				> .text-count {
+					opacity: 0.7;
+				}
+
+				> .visibility {
+					width: $height;
+					margin: 0 8px;
+
+					& + .localOnly {
+						margin-left: 0 !important;
+					}
+				}
+				
+				> .local-only {
+					margin: 0 0 0 12px;
+					opacity: 0.7;
+				}
+
+				> .submit {
+					margin: 0;
+					padding: 0 12px;
+					line-height: 34px;
+					font-weight: bold;
+					border-radius: 4px;
+
+					&:disabled {
+						opacity: 0.7;
+					}
+
+					> i {
+						margin-left: 6px;
+					}
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/side.vue b/packages/client/src/ui/chat/side.vue
new file mode 100644
index 0000000000..73881b23c0
--- /dev/null
+++ b/packages/client/src/ui/chat/side.vue
@@ -0,0 +1,157 @@
+<template>
+<div class="mrajymqm _narrow_" v-if="component">
+	<header class="header" @contextmenu.prevent.stop="onContextmenu">
+		<MkHeader class="title" :info="pageInfo" :center="false"/>
+	</header>
+	<component :is="component" v-bind="props" :ref="changePage" class="body"/>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import * as os from '@/os';
+import copyToClipboard from '@/scripts/copy-to-clipboard';
+import { resolve } from '@/router';
+import { url } from '@/config';
+import * as symbols from '@/symbols';
+
+export default defineComponent({
+	components: {
+	},
+
+	provide() {
+		return {
+			navHook: (path) => {
+				this.navigate(path);
+			}
+		};
+	},
+
+	data() {
+		return {
+			path: null,
+			component: null,
+			props: {},
+			pageInfo: null,
+			history: [],
+		};
+	},
+
+	computed: {
+		url(): string {
+			return url + this.path;
+		}
+	},
+
+	methods: {
+		changePage(page) {
+			if (page == null) return;
+			if (page[symbols.PAGE_INFO]) {
+				this.pageInfo = page[symbols.PAGE_INFO];
+			}
+		},
+
+		navigate(path, record = true) {
+			if (record && this.path) this.history.push(this.path);
+			this.path = path;
+			const { component, props } = resolve(path);
+			this.component = component;
+			this.props = props;
+			this.$emit('open');
+		},
+
+		back() {
+			this.navigate(this.history.pop(), false);
+		},
+
+		close() {
+			this.path = null;
+			this.component = null;
+			this.props = {};
+			this.$emit('close');
+		},
+
+		onContextmenu(e) {
+			os.contextMenu([{
+				type: 'label',
+				text: this.path,
+			}, {
+				icon: 'fas fa-expand-alt',
+				text: this.$ts.showInPage,
+				action: () => {
+					this.$router.push(this.path);
+					this.close();
+				}
+			}, {
+				icon: 'fas fa-window-maximize',
+				text: this.$ts.openInWindow,
+				action: () => {
+					os.pageWindow(this.path);
+					this.close();
+				}
+			}, null, {
+				icon: 'fas fa-external-link-alt',
+				text: this.$ts.openInNewTab,
+				action: () => {
+					window.open(this.url, '_blank');
+					this.close();
+				}
+			}, {
+				icon: 'fas fa-link',
+				text: this.$ts.copyLink,
+				action: () => {
+					copyToClipboard(this.url);
+				}
+			}], e);
+		}
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.mrajymqm {
+	$header-height: 54px; // TODO: どこかに集約したい
+
+	--root-margin: 16px;
+	--margin: var(--marginHalf);
+
+	height: 100%;
+	overflow: auto;
+	box-sizing: border-box;
+
+	> .header {
+		display: flex;
+		position: sticky;
+		z-index: 1000;
+		top: 0;
+		height: $header-height;
+		width: 100%;
+		font-weight: bold;
+		//background-color: var(--panel);
+		-webkit-backdrop-filter: var(--blur, blur(32px));
+		backdrop-filter: var(--blur, blur(32px));
+		background-color: var(--header);
+		border-bottom: solid 0.5px var(--divider);
+		box-sizing: border-box;
+
+		> ._button {
+			height: $header-height;
+			width: $header-height;
+
+			&:hover {
+				color: var(--fgHighlighted);
+			}
+		}
+
+		> .title {
+			flex: 1;
+			position: relative;
+		}
+	}
+
+	> .body {
+
+	}
+}
+</style>
+
diff --git a/packages/client/src/ui/chat/store.ts b/packages/client/src/ui/chat/store.ts
new file mode 100644
index 0000000000..389d56afb6
--- /dev/null
+++ b/packages/client/src/ui/chat/store.ts
@@ -0,0 +1,17 @@
+import { markRaw } from 'vue';
+import { Storage } from '../../pizzax';
+
+export const store = markRaw(new Storage('chatUi', {
+	widgets: {
+		where: 'account',
+		default: [] as {
+			name: string;
+			id: string;
+			data: Record<string, any>;
+		}[]
+	},
+	tl: {
+		where: 'deviceAccount',
+		default: 'home'
+	},
+}));
diff --git a/packages/client/src/ui/chat/sub-note-content.vue b/packages/client/src/ui/chat/sub-note-content.vue
new file mode 100644
index 0000000000..9c169ea546
--- /dev/null
+++ b/packages/client/src/ui/chat/sub-note-content.vue
@@ -0,0 +1,62 @@
+<template>
+<div class="wrmlmaau">
+	<div class="body">
+		<span v-if="note.isHidden" style="opacity: 0.5">({{ $ts.private }})</span>
+		<span v-if="note.deletedAt" style="opacity: 0.5">({{ $ts.deleted }})</span>
+		<MkA class="reply" v-if="note.replyId" :to="`/notes/${note.replyId}`"><i class="fas fa-reply"></i></MkA>
+		<Mfm v-if="note.text" :text="note.text" :author="note.user" :i="$i" :custom-emojis="note.emojis"/>
+		<MkA class="rp" v-if="note.renoteId" :to="`/notes/${note.renoteId}`">RN: ...</MkA>
+	</div>
+	<details v-if="note.files.length > 0">
+		<summary>({{ $t('withNFiles', { n: note.files.length }) }})</summary>
+		<XMediaList :media-list="note.files"/>
+	</details>
+	<details v-if="note.poll">
+		<summary>{{ $ts.poll }}</summary>
+		<XPoll :note="note"/>
+	</details>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import XPoll from '@/components/poll.vue';
+import XMediaList from '@/components/media-list.vue';
+import * as os from '@/os';
+
+export default defineComponent({
+	components: {
+		XPoll,
+		XMediaList,
+	},
+	props: {
+		note: {
+			type: Object,
+			required: true
+		}
+	},
+	data() {
+		return {
+		};
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.wrmlmaau {
+	overflow-wrap: break-word;
+
+	> .body {
+		> .reply {
+			margin-right: 6px;
+			color: var(--accent);
+		}
+
+		> .rp {
+			margin-left: 4px;
+			font-style: oblique;
+			color: var(--renote);
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/ui/chat/widgets.vue b/packages/client/src/ui/chat/widgets.vue
new file mode 100644
index 0000000000..6b12f9dac9
--- /dev/null
+++ b/packages/client/src/ui/chat/widgets.vue
@@ -0,0 +1,62 @@
+<template>
+<div class="qydbhufi">
+	<XWidgets :edit="edit" :widgets="widgets" @add-widget="addWidget" @remove-widget="removeWidget" @update-widget="updateWidget" @update-widgets="updateWidgets" @exit="edit = false"/>
+
+	<button v-if="edit" @click="edit = false" class="_textButton" style="font-size: 0.9em;">{{ $ts.editWidgetsExit }}</button>
+	<button v-else @click="edit = true" class="_textButton" style="font-size: 0.9em;">{{ $ts.editWidgets }}</button>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent, defineAsyncComponent } from 'vue';
+import XWidgets from '@/components/widgets.vue';
+import { store } from './store';
+
+export default defineComponent({
+	components: {
+		XWidgets,
+	},
+
+	data() {
+		return {
+			edit: false,
+			widgets: store.reactiveState.widgets
+		};
+	},
+
+	methods: {
+		addWidget(widget) {
+			store.set('widgets', [widget, ...store.state.widgets]);
+		},
+
+		removeWidget(widget) {
+			store.set('widgets', store.state.widgets.filter(w => w.id != widget.id));
+		},
+
+		updateWidget({ id, data }) {
+			// TODO: throttleしたい
+			store.set('widgets', store.state.widgets.map(w => w.id === id ? {
+				...w,
+				data: data
+			} : w));
+		},
+
+		updateWidgets(widgets) {
+			store.set('widgets', widgets);
+		}
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.qydbhufi {
+	height: 100%;
+	box-sizing: border-box;
+	overflow: auto;
+	padding: var(--margin);
+
+	::v-deep(._panel) {
+		box-shadow: none;
+	}
+}
+</style>