refactor(client): Refine routing (#8846)

12 files changed, 632 insertions, 731 deletions

diff --git a/packages/client/src/components/chart.vue b/packages/client/src/components/chart.vue
index 4e9c4e587a..5e9c2f03be 100644
--- a/packages/client/src/components/chart.vue
+++ b/packages/client/src/components/chart.vue
@@ -13,7 +13,7 @@
   id-denylist violation when setting it. This is causing about 60+ lint issues.
   As this is part of Chart.js's API it makes sense to disable the check here.
 */
-import { defineProps, onMounted, ref, watch, PropType, onUnmounted } from 'vue';
+import { onMounted, ref, watch, PropType, onUnmounted } from 'vue';
 import {
 	Chart,
 	ArcElement,
@@ -53,7 +53,7 @@ const props = defineProps({
 	limit: {
 		type: Number,
 		required: false,
-		default: 90
+		default: 90,
 	},
 	span: {
 		type: String as PropType<'hour' | 'day'>,
@@ -62,22 +62,22 @@ const props = defineProps({
 	detailed: {
 		type: Boolean,
 		required: false,
-		default: false
+		default: false,
 	},
 	stacked: {
 		type: Boolean,
 		required: false,
-		default: false
+		default: false,
 	},
 	bar: {
 		type: Boolean,
 		required: false,
-		default: false
+		default: false,
 	},
 	aspectRatio: {
 		type: Number,
 		required: false,
-		default: null
+		default: null,
 	},
 });
 
@@ -156,7 +156,7 @@ const getDate = (ago: number) => {
 const format = (arr) => {
 	return arr.map((v, i) => ({
 		x: getDate(i).getTime(),
-		y: v
+		y: v,
 	}));
 };
 
@@ -343,7 +343,7 @@ const render = () => {
 							min: 'original',
 							max: 'original',
 						},
-					}
+					},
 				} : undefined,
 				//gradient,
 			},
@@ -367,8 +367,8 @@ const render = () => {
 					ctx.stroke();
 					ctx.restore();
 				}
-			}
-		}]
+			},
+		}],
 	});
 };
 
@@ -433,18 +433,18 @@ const fetchApRequestChart = async (): Promise<typeof chartData> => {
 			name: 'In',
 			type: 'area',
 			color: '#008FFB',
-			data: format(raw.inboxReceived)
+			data: format(raw.inboxReceived),
 		}, {
 			name: 'Out (succ)',
 			type: 'area',
 			color: '#00E396',
-			data: format(raw.deliverSucceeded)
+			data: format(raw.deliverSucceeded),
 		}, {
 			name: 'Out (fail)',
 			type: 'area',
 			color: '#FEB019',
-			data: format(raw.deliverFailed)
-		}]
+			data: format(raw.deliverFailed),
+		}],
 	};
 };
 
@@ -456,7 +456,7 @@ const fetchNotesChart = async (type: string): Promise<typeof chartData> => {
 			type: 'line',
 			data: format(type === 'combined'
 				? sum(raw.local.inc, negate(raw.local.dec), raw.remote.inc, negate(raw.remote.dec))
-				: sum(raw[type].inc, negate(raw[type].dec))
+				: sum(raw[type].inc, negate(raw[type].dec)),
 			),
 			color: '#888888',
 		}, {
@@ -464,7 +464,7 @@ const fetchNotesChart = async (type: string): Promise<typeof chartData> => {
 			type: 'area',
 			data: format(type === 'combined'
 				? sum(raw.local.diffs.renote, raw.remote.diffs.renote)
-				: raw[type].diffs.renote
+				: raw[type].diffs.renote,
 			),
 			color: colors.green,
 		}, {
@@ -472,7 +472,7 @@ const fetchNotesChart = async (type: string): Promise<typeof chartData> => {
 			type: 'area',
 			data: format(type === 'combined'
 				? sum(raw.local.diffs.reply, raw.remote.diffs.reply)
-				: raw[type].diffs.reply
+				: raw[type].diffs.reply,
 			),
 			color: colors.yellow,
 		}, {
@@ -480,7 +480,7 @@ const fetchNotesChart = async (type: string): Promise<typeof chartData> => {
 			type: 'area',
 			data: format(type === 'combined'
 				? sum(raw.local.diffs.normal, raw.remote.diffs.normal)
-				: raw[type].diffs.normal
+				: raw[type].diffs.normal,
 			),
 			color: colors.blue,
 		}, {
@@ -488,7 +488,7 @@ const fetchNotesChart = async (type: string): Promise<typeof chartData> => {
 			type: 'area',
 			data: format(type === 'combined'
 				? sum(raw.local.diffs.withFile, raw.remote.diffs.withFile)
-				: raw[type].diffs.withFile
+				: raw[type].diffs.withFile,
 			),
 			color: colors.purple,
 		}],
@@ -522,21 +522,21 @@ const fetchUsersChart = async (total: boolean): Promise<typeof chartData> => {
 			type: 'line',
 			data: format(total
 				? sum(raw.local.total, raw.remote.total)
-				: sum(raw.local.inc, negate(raw.local.dec), raw.remote.inc, negate(raw.remote.dec))
+				: sum(raw.local.inc, negate(raw.local.dec), raw.remote.inc, negate(raw.remote.dec)),
 			),
 		}, {
 			name: 'Local',
 			type: 'area',
 			data: format(total
 				? raw.local.total
-				: sum(raw.local.inc, negate(raw.local.dec))
+				: sum(raw.local.inc, negate(raw.local.dec)),
 			),
 		}, {
 			name: 'Remote',
 			type: 'area',
 			data: format(total
 				? raw.remote.total
-				: sum(raw.remote.inc, negate(raw.remote.dec))
+				: sum(raw.remote.inc, negate(raw.remote.dec)),
 			),
 		}],
 	};
@@ -607,8 +607,8 @@ const fetchDriveChart = async (): Promise<typeof chartData> => {
 					raw.local.incSize,
 					negate(raw.local.decSize),
 					raw.remote.incSize,
-					negate(raw.remote.decSize)
-				)
+					negate(raw.remote.decSize),
+				),
 			),
 		}, {
 			name: 'Local +',
@@ -642,8 +642,8 @@ const fetchDriveFilesChart = async (): Promise<typeof chartData> => {
 					raw.local.incCount,
 					negate(raw.local.decCount),
 					raw.remote.incCount,
-					negate(raw.remote.decCount)
-				)
+					negate(raw.remote.decCount),
+				),
 			),
 		}, {
 			name: 'Local +',
@@ -672,18 +672,18 @@ const fetchInstanceRequestsChart = async (): Promise<typeof chartData> => {
 			name: 'In',
 			type: 'area',
 			color: '#008FFB',
-			data: format(raw.requests.received)
+			data: format(raw.requests.received),
 		}, {
 			name: 'Out (succ)',
 			type: 'area',
 			color: '#00E396',
-			data: format(raw.requests.succeeded)
+			data: format(raw.requests.succeeded),
 		}, {
 			name: 'Out (fail)',
 			type: 'area',
 			color: '#FEB019',
-			data: format(raw.requests.failed)
-		}]
+			data: format(raw.requests.failed),
+		}],
 	};
 };
 
@@ -696,9 +696,9 @@ const fetchInstanceUsersChart = async (total: boolean): Promise<typeof chartData
 			color: '#008FFB',
 			data: format(total
 				? raw.users.total
-				: sum(raw.users.inc, negate(raw.users.dec))
-			)
-		}]
+				: sum(raw.users.inc, negate(raw.users.dec)),
+			),
+		}],
 	};
 };
 
@@ -711,9 +711,9 @@ const fetchInstanceNotesChart = async (total: boolean): Promise<typeof chartData
 			color: '#008FFB',
 			data: format(total
 				? raw.notes.total
-				: sum(raw.notes.inc, negate(raw.notes.dec))
-			)
-		}]
+				: sum(raw.notes.inc, negate(raw.notes.dec)),
+			),
+		}],
 	};
 };
 
@@ -726,17 +726,17 @@ const fetchInstanceFfChart = async (total: boolean): Promise<typeof chartData> =
 			color: '#008FFB',
 			data: format(total
 				? raw.following.total
-				: sum(raw.following.inc, negate(raw.following.dec))
-			)
+				: sum(raw.following.inc, negate(raw.following.dec)),
+			),
 		}, {
 			name: 'Followers',
 			type: 'area',
 			color: '#00E396',
 			data: format(total
 				? raw.followers.total
-				: sum(raw.followers.inc, negate(raw.followers.dec))
-			)
-		}]
+				: sum(raw.followers.inc, negate(raw.followers.dec)),
+			),
+		}],
 	};
 };
 
@@ -750,9 +750,9 @@ const fetchInstanceDriveUsageChart = async (total: boolean): Promise<typeof char
 			color: '#008FFB',
 			data: format(total
 				? raw.drive.totalUsage
-				: sum(raw.drive.incUsage, negate(raw.drive.decUsage))
-			)
-		}]
+				: sum(raw.drive.incUsage, negate(raw.drive.decUsage)),
+			),
+		}],
 	};
 };
 
@@ -765,9 +765,9 @@ const fetchInstanceDriveFilesChart = async (total: boolean): Promise<typeof char
 			color: '#008FFB',
 			data: format(total
 				? raw.drive.totalFiles
-				: sum(raw.drive.incFiles, negate(raw.drive.decFiles))
-			)
-		}]
+				: sum(raw.drive.incFiles, negate(raw.drive.decFiles)),
+			),
+		}],
 	};
 };
 
diff --git a/packages/client/src/components/drive-file-thumbnail.vue b/packages/client/src/components/drive-file-thumbnail.vue
index 07cd565c58..b346585cec 100644
--- a/packages/client/src/components/drive-file-thumbnail.vue
+++ b/packages/client/src/components/drive-file-thumbnail.vue
@@ -57,7 +57,7 @@ const isThumbnailAvailable = computed(() => {
 .zdjebgpv {
 	position: relative;
 	display: flex;
-	background: #e1e1e1;
+	background: var(--panel);
 	border-radius: 8px;
 	overflow: clip;
 
diff --git a/packages/client/src/components/form/folder.vue b/packages/client/src/components/form/folder.vue
index 1b960657d7..a9d8bd97b8 100644
--- a/packages/client/src/components/form/folder.vue
+++ b/packages/client/src/components/form/folder.vue
@@ -9,13 +9,13 @@
 			<i v-else class="fas fa-angle-down icon"></i>
 		</span>
 	</div>
-	<keep-alive>
+	<KeepAlive>
 		<div v-if="openedAtLeastOnce" v-show="opened" class="body">
 			<MkSpacer :margin-min="14" :margin-max="22">
 				<slot></slot>
 			</MkSpacer>
 		</div>
-	</keep-alive>
+	</KeepAlive>
 </div>
 </template>
 
diff --git a/packages/client/src/components/global/a.vue b/packages/client/src/components/global/a.vue
index 5287d59b3e..c7cf12e8c8 100644
--- a/packages/client/src/components/global/a.vue
+++ b/packages/client/src/components/global/a.vue
@@ -5,13 +5,13 @@
 </template>
 
 <script lang="ts" setup>
+import { inject } from 'vue';
 import * as os from '@/os';
 import copyToClipboard from '@/scripts/copy-to-clipboard';
-import { router } from '@/router';
 import { url } from '@/config';
 import { popout as popout_ } from '@/scripts/popout';
 import { i18n } from '@/i18n';
-import { MisskeyNavigator } from '@/scripts/navigate';
+import { useRouter } from '@/router';
 
 const props = withDefaults(defineProps<{
 	to: string;
@@ -22,15 +22,16 @@ const props = withDefaults(defineProps<{
 	behavior: null,
 });
 
-const mkNav = new MisskeyNavigator();
+const router = useRouter();
 
 const active = $computed(() => {
 	if (props.activeClass == null) return false;
 	const resolved = router.resolve(props.to);
-	if (resolved.path === router.currentRoute.value.path) return true;
-	if (resolved.name == null) return false;
+	if (resolved == null) return false;
+	if (resolved.route.path === router.currentRoute.value.path) return true;
+	if (resolved.route.name == null) return false;
 	if (router.currentRoute.value.name == null) return false;
-	return resolved.name === router.currentRoute.value.name;
+	return resolved.route.name === router.currentRoute.value.name;
 });
 
 function onContextmenu(ev) {
@@ -44,31 +45,25 @@ function onContextmenu(ev) {
 		text: i18n.ts.openInWindow,
 		action: () => {
 			os.pageWindow(props.to);
-		}
-	}, mkNav.sideViewHook ? {
-		icon: 'fas fa-columns',
-		text: i18n.ts.openInSideView,
-		action: () => {
-			if (mkNav.sideViewHook) mkNav.sideViewHook(props.to);
-		}
-	} : undefined, {
+		},
+	}, {
 		icon: 'fas fa-expand-alt',
 		text: i18n.ts.showInPage,
 		action: () => {
 			router.push(props.to);
-		}
+		},
 	}, null, {
 		icon: 'fas fa-external-link-alt',
 		text: i18n.ts.openInNewTab,
 		action: () => {
 			window.open(props.to, '_blank');
-		}
+		},
 	}, {
 		icon: 'fas fa-link',
 		text: i18n.ts.copyLink,
 		action: () => {
 			copyToClipboard(`${url}${props.to}`);
-		}
+		},
 	}], ev);
 }
 
@@ -98,6 +93,6 @@ function nav() {
 		}
 	}
 
-	mkNav.push(props.to);
+	router.push(props.to);
 }
 </script>
diff --git a/packages/client/src/components/global/header.vue b/packages/client/src/components/global/header.vue
deleted file mode 100644
index 63db19a520..0000000000
--- a/packages/client/src/components/global/header.vue
+++ /dev/null
@@ -1,361 +0,0 @@
-<template>
-<div ref="el" class="fdidabkb" :class="{ slim: narrow, thin: thin_ }" :style="{ background: bg }" @click="onClick">
-	<template v-if="info">
-		<div v-if="!hideTitle" class="titleContainer" @click="showTabsPopup">
-			<MkAvatar v-if="info.avatar" class="avatar" :user="info.avatar" :disable-preview="true" :show-indicator="true"/>
-			<i v-else-if="info.icon" class="icon" :class="info.icon"></i>
-
-			<div class="title">
-				<MkUserName v-if="info.userName" :user="info.userName" :nowrap="true" class="title"/>
-				<div v-else-if="info.title" class="title">{{ info.title }}</div>
-				<div v-if="!narrow && info.subtitle" class="subtitle">
-					{{ info.subtitle }}
-				</div>
-				<div v-if="narrow && hasTabs" class="subtitle activeTab">
-					{{ info.tabs.find(tab => tab.active)?.title }}
-					<i class="chevron fas fa-chevron-down"></i>
-				</div>
-			</div>
-		</div>
-		<div v-if="!narrow || hideTitle" class="tabs">
-			<button v-for="tab in info.tabs" v-tooltip="tab.title" class="tab _button" :class="{ active: tab.active }" @click="tab.onClick">
-				<i v-if="tab.icon" class="icon" :class="tab.icon"></i>
-				<span v-if="!tab.iconOnly" class="title">{{ tab.title }}</span>
-			</button>
-		</div>
-	</template>
-	<div class="buttons right">
-		<template v-if="info && info.actions && !narrow">
-			<template v-for="action in info.actions">
-				<MkButton v-if="action.asFullButton" class="fullButton" primary @click.stop="action.handler"><i :class="action.icon" style="margin-right: 6px;"></i>{{ action.text }}</MkButton>
-				<button v-else v-tooltip="action.text" class="_button button" :class="{ highlighted: action.highlighted }" @click.stop="action.handler" @touchstart="preventDrag"><i :class="action.icon"></i></button>
-			</template>
-		</template>
-		<button v-if="shouldShowMenu" v-tooltip="$ts.menu" class="_button button" @click.stop="showMenu" @touchstart="preventDrag"><i class="fas fa-ellipsis-h"></i></button>
-	</div>
-</div>
-</template>
-
-<script lang="ts">
-import { computed, defineComponent, onMounted, onUnmounted, PropType, ref, inject } from 'vue';
-import tinycolor from 'tinycolor2';
-import { popupMenu } from '@/os';
-import { url } from '@/config';
-import { scrollToTop } from '@/scripts/scroll';
-import MkButton from '@/components/ui/button.vue';
-import { i18n } from '@/i18n';
-import { globalEvents } from '@/events';
-
-export default defineComponent({
-	components: {
-		MkButton
-	},
-
-	props: {
-		info: {
-			type: Object as PropType<{
-				actions?: {}[];
-				tabs?: {}[];
-			}>,
-			required: true
-		},
-		menu: {
-			required: false
-		},
-		thin: {
-			required: false,
-			default: false
-		},
-	},
-
-	setup(props) {
-		const el = ref<HTMLElement>(null);
-		const bg = ref(null);
-		const narrow = ref(false);
-		const height = ref(0);
-		const hasTabs = computed(() => {
-			return props.info.tabs && props.info.tabs.length > 0;
-		});
-		const shouldShowMenu = computed(() => {
-			if (props.info == null) return false;
-			if (props.info.actions != null && narrow.value) return true;
-			if (props.info.menu != null) return true;
-			if (props.info.share != null) return true;
-			if (props.menu != null) return true;
-			return false;
-		});
-
-		const share = () => {
-			navigator.share({
-				url: url + props.info.path,
-				...props.info.share,
-			});
-		};
-
-		const showMenu = (ev: MouseEvent) => {
-			let menu = props.info.menu ? props.info.menu() : [];
-			if (narrow.value && props.info.actions) {
-				menu = [...props.info.actions.map(x => ({
-					text: x.text,
-					icon: x.icon,
-					action: x.handler
-				})), menu.length > 0 ? null : undefined, ...menu];
-			}
-			if (props.info.share) {
-				if (menu.length > 0) menu.push(null);
-				menu.push({
-					text: i18n.ts.share,
-					icon: 'fas fa-share-alt',
-					action: share
-				});
-			}
-			if (props.menu) {
-				if (menu.length > 0) menu.push(null);
-				menu = menu.concat(props.menu);
-			}
-			popupMenu(menu, ev.currentTarget ?? ev.target);
-		};
-
-		const showTabsPopup = (ev: MouseEvent) => {
-			if (!hasTabs.value) return;
-			if (!narrow.value) return;
-			ev.preventDefault();
-			ev.stopPropagation();
-			const menu = props.info.tabs.map(tab => ({
-				text: tab.title,
-				icon: tab.icon,
-				action: tab.onClick,
-			}));
-			popupMenu(menu, ev.currentTarget ?? ev.target);
-		};
-
-		const preventDrag = (ev: TouchEvent) => {
-			ev.stopPropagation();
-		};
-
-		const onClick = () => {
-			scrollToTop(el.value, { behavior: 'smooth' });
-		};
-
-		const calcBg = () => {
-			const rawBg = props.info?.bg || 'var(--bg)';
-			const tinyBg = tinycolor(rawBg.startsWith('var(') ? getComputedStyle(document.documentElement).getPropertyValue(rawBg.slice(4, -1)) : rawBg);
-			tinyBg.setAlpha(0.85);
-			bg.value = tinyBg.toRgbString();
-		};
-
-		onMounted(() => {
-			calcBg();
-			globalEvents.on('themeChanged', calcBg);
-			onUnmounted(() => {
-				globalEvents.off('themeChanged', calcBg);
-			});
-		
-			if (el.value.parentElement) {
-				narrow.value = el.value.parentElement.offsetWidth < 500;
-				const ro = new ResizeObserver((entries, observer) => {
-					if (el.value) {
-						narrow.value = el.value.parentElement.offsetWidth < 500;
-					}
-				});
-				ro.observe(el.value.parentElement);
-				onUnmounted(() => {
-					ro.disconnect();
-				});
-			}
-		});
-
-		return {
-			el,
-			bg,
-			narrow,
-			height,
-			hasTabs,
-			shouldShowMenu,
-			share,
-			showMenu,
-			showTabsPopup,
-			preventDrag,
-			onClick,
-			hideTitle: inject('shouldOmitHeaderTitle', false),
-			thin_: props.thin || inject('shouldHeaderThin', false)
-		};
-	},
-});
-</script>
-
-<style lang="scss" scoped>
-.fdidabkb {
-	--height: 60px;
-	display: flex;
-	position: sticky;
-	top: var(--stickyTop, 0);
-	z-index: 1000;
-	width: 100%;
-	-webkit-backdrop-filter: var(--blur, blur(15px));
-	backdrop-filter: var(--blur, blur(15px));
-	border-bottom: solid 0.5px var(--divider);
-
-	&.thin {
-		--height: 50px;
-
-		> .buttons {
-			> .button {
-				font-size: 0.9em;
-			}
-		}
-	}
-
-	&.slim {
-		text-align: center;
-
-		> .titleContainer {
-			flex: 1;
-			margin: 0 auto;
-			margin-left: var(--height);
-
-			> *:first-child {
-				margin-left: auto;
-			}
-
-			> *:last-child {
-				margin-right: auto;
-			}
-		}
-	}
-
-	> .buttons {
-		--margin: 8px;
-		display: flex;
-    align-items: center;
-		height: var(--height);
-		margin: 0 var(--margin);
-
-		&.right {
-			margin-left: auto;
-		}
-
-		&:empty {
-			width: var(--height);
-		}
-
-		> .button {
-			display: flex;
-			align-items: center;
-			justify-content: center;
-			height: calc(var(--height) - (var(--margin) * 2));
-			width: calc(var(--height) - (var(--margin) * 2));
-			box-sizing: border-box;
-			position: relative;
-			border-radius: 5px;
-
-			&:hover {
-				background: rgba(0, 0, 0, 0.05);
-			}
-
-			&.highlighted {
-				color: var(--accent);
-			}
-		}
-
-		> .fullButton {
-			& + .fullButton {
-				margin-left: 12px;
-			}
-		}
-	}
-
-	> .titleContainer {
-		display: flex;
-		align-items: center;
-		max-width: 400px;
-		overflow: auto;
-		white-space: nowrap;
-		text-align: left;
-		font-weight: bold;
-		flex-shrink: 0;
-		margin-left: 24px;
-
-		> .avatar {
-			$size: 32px;
-			display: inline-block;
-			width: $size;
-			height: $size;
-			vertical-align: bottom;
-			margin: 0 8px;
-			pointer-events: none;
-		}
-
-		> .icon {
-			margin-right: 8px;
-		}
-
-		> .title {
-			min-width: 0;
-			overflow: hidden;
-			text-overflow: ellipsis;
-			white-space: nowrap;
-			line-height: 1.1;
-
-			> .subtitle {
-				opacity: 0.6;
-				font-size: 0.8em;
-				font-weight: normal;
-				white-space: nowrap;
-				overflow: hidden;
-				text-overflow: ellipsis;
-
-				&.activeTab {
-					text-align: center;
-
-					> .chevron {
-						display: inline-block;
-						margin-left: 6px;
-					}
-				}
-			}
-		}
-	}
-
-	> .tabs {
-		margin-left: 16px;
-		font-size: 0.8em;
-		overflow: auto;
-		white-space: nowrap;
-
-		> .tab {
-			display: inline-block;
-			position: relative;
-			padding: 0 10px;
-			height: 100%;
-			font-weight: normal;
-			opacity: 0.7;
-
-			&:hover {
-				opacity: 1;
-			}
-
-			&.active {
-				opacity: 1;
-
-				&:after {
-					content: "";
-					display: block;
-					position: absolute;
-					bottom: 0;
-					left: 0;
-					right: 0;
-					margin: 0 auto;
-					width: 100%;
-					height: 3px;
-					background: var(--accent);
-				}
-			}
-
-			> .icon + .title {
-				margin-left: 8px;
-			}
-		}
-	}
-}
-</style>
diff --git a/packages/client/src/components/global/page-header.vue b/packages/client/src/components/global/page-header.vue
new file mode 100644
index 0000000000..c01631c6a3
--- /dev/null
+++ b/packages/client/src/components/global/page-header.vue
@@ -0,0 +1,300 @@
+<template>
+<div v-if="show" ref="el" class="fdidabkb" :class="{ slim: narrow, thin: thin_ }" :style="{ background: bg }" @click="onClick">
+	<template v-if="metadata">
+		<div v-if="!hideTitle" class="titleContainer" @click="showTabsPopup">
+			<MkAvatar v-if="metadata.avatar" class="avatar" :user="metadata.avatar" :disable-preview="true" :show-indicator="true"/>
+			<i v-else-if="metadata.icon" class="icon" :class="metadata.icon"></i>
+
+			<div class="title">
+				<MkUserName v-if="metadata.userName" :user="metadata.userName" :nowrap="true" class="title"/>
+				<div v-else-if="metadata.title" class="title">{{ metadata.title }}</div>
+				<div v-if="!narrow && metadata.subtitle" class="subtitle">
+					{{ metadata.subtitle }}
+				</div>
+				<div v-if="narrow && hasTabs" class="subtitle activeTab">
+					{{ tabs.find(tab => tab.active)?.title }}
+					<i class="chevron fas fa-chevron-down"></i>
+				</div>
+			</div>
+		</div>
+		<div v-if="!narrow || hideTitle" class="tabs">
+			<button v-for="tab in tabs" v-tooltip="tab.title" class="tab _button" :class="{ active: tab.active }" @click="tab.onClick">
+				<i v-if="tab.icon" class="icon" :class="tab.icon"></i>
+				<span v-if="!tab.iconOnly" class="title">{{ tab.title }}</span>
+			</button>
+		</div>
+	</template>
+	<div class="buttons right">
+		<template v-for="action in actions">
+			<button v-tooltip="action.text" class="_button button" :class="{ highlighted: action.highlighted }" @click.stop="action.handler" @touchstart="preventDrag"><i :class="action.icon"></i></button>
+		</template>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { computed, onMounted, onUnmounted, ref, inject } from 'vue';
+import tinycolor from 'tinycolor2';
+import { popupMenu } from '@/os';
+import { scrollToTop } from '@/scripts/scroll';
+import { i18n } from '@/i18n';
+import { globalEvents } from '@/events';
+import { injectPageMetadata, PageMetadata } from '@/scripts/page-metadata';
+
+const props = defineProps<{
+	tabs?: {
+		title: string;
+		active: boolean;
+		icon?: string;
+		iconOnly?: boolean;
+		onClick: () => void;
+	}[];
+	actions?: {
+		text: string;
+		icon: string;
+		handler: (ev: MouseEvent) => void;
+	}[];
+	thin?: boolean;
+}>();
+
+const metadata = injectPageMetadata();
+
+const hideTitle = inject('shouldOmitHeaderTitle', false);
+const thin_ = props.thin || inject('shouldHeaderThin', false);
+
+const el = $ref<HTMLElement | null>(null);
+const bg = ref(null);
+let narrow = $ref(false);
+const height = ref(0);
+const hasTabs = $computed(() => props.tabs && props.tabs.length > 0);
+const hasActions = $computed(() => props.actions && props.actions.length > 0);
+const show = $computed(() => {
+	return !hideTitle || hasTabs || hasActions;
+});
+
+const showTabsPopup = (ev: MouseEvent) => {
+	if (!hasTabs) return;
+	if (!narrow) return;
+	ev.preventDefault();
+	ev.stopPropagation();
+	const menu = props.tabs.map(tab => ({
+		text: tab.title,
+		icon: tab.icon,
+		action: tab.onClick,
+	}));
+	popupMenu(menu, ev.currentTarget ?? ev.target);
+};
+
+const preventDrag = (ev: TouchEvent) => {
+	ev.stopPropagation();
+};
+
+const onClick = () => {
+	scrollToTop(el, { behavior: 'smooth' });
+};
+
+const calcBg = () => {
+	const rawBg = metadata?.bg || 'var(--bg)';
+	const tinyBg = tinycolor(rawBg.startsWith('var(') ? getComputedStyle(document.documentElement).getPropertyValue(rawBg.slice(4, -1)) : rawBg);
+	tinyBg.setAlpha(0.85);
+	bg.value = tinyBg.toRgbString();
+};
+
+let ro: ResizeObserver | null;
+
+onMounted(() => {
+	calcBg();
+	globalEvents.on('themeChanged', calcBg);
+
+	if (el && el.parentElement) {
+		narrow = el.parentElement.offsetWidth < 500;
+		ro = new ResizeObserver((entries, observer) => {
+			if (el.parentElement) {
+				narrow = el.parentElement.offsetWidth < 500;
+			}
+		});
+		ro.observe(el.parentElement);
+	}
+});
+
+onUnmounted(() => {
+	globalEvents.off('themeChanged', calcBg);
+	if (ro) ro.disconnect();
+});
+</script>
+
+<style lang="scss" scoped>
+.fdidabkb {
+	--height: 60px;
+	display: flex;
+	position: sticky;
+	top: var(--stickyTop, 0);
+	z-index: 1000;
+	width: 100%;
+	-webkit-backdrop-filter: var(--blur, blur(15px));
+	backdrop-filter: var(--blur, blur(15px));
+	border-bottom: solid 0.5px var(--divider);
+
+	&.thin {
+		--height: 50px;
+
+		> .buttons {
+			> .button {
+				font-size: 0.9em;
+			}
+		}
+	}
+
+	&.slim {
+		text-align: center;
+
+		> .titleContainer {
+			flex: 1;
+			margin: 0 auto;
+			margin-left: var(--height);
+
+			> *:first-child {
+				margin-left: auto;
+			}
+
+			> *:last-child {
+				margin-right: auto;
+			}
+		}
+	}
+
+	> .buttons {
+		--margin: 8px;
+		display: flex;
+    align-items: center;
+		height: var(--height);
+		margin: 0 var(--margin);
+
+		&.right {
+			margin-left: auto;
+		}
+
+		&:empty {
+			width: var(--height);
+		}
+
+		> .button {
+			display: flex;
+			align-items: center;
+			justify-content: center;
+			height: calc(var(--height) - (var(--margin) * 2));
+			width: calc(var(--height) - (var(--margin) * 2));
+			box-sizing: border-box;
+			position: relative;
+			border-radius: 5px;
+
+			&:hover {
+				background: rgba(0, 0, 0, 0.05);
+			}
+
+			&.highlighted {
+				color: var(--accent);
+			}
+		}
+
+		> .fullButton {
+			& + .fullButton {
+				margin-left: 12px;
+			}
+		}
+	}
+
+	> .titleContainer {
+		display: flex;
+		align-items: center;
+		max-width: 400px;
+		overflow: auto;
+		white-space: nowrap;
+		text-align: left;
+		font-weight: bold;
+		flex-shrink: 0;
+		margin-left: 24px;
+
+		> .avatar {
+			$size: 32px;
+			display: inline-block;
+			width: $size;
+			height: $size;
+			vertical-align: bottom;
+			margin: 0 8px;
+			pointer-events: none;
+		}
+
+		> .icon {
+			margin-right: 8px;
+		}
+
+		> .title {
+			min-width: 0;
+			overflow: hidden;
+			text-overflow: ellipsis;
+			white-space: nowrap;
+			line-height: 1.1;
+
+			> .subtitle {
+				opacity: 0.6;
+				font-size: 0.8em;
+				font-weight: normal;
+				white-space: nowrap;
+				overflow: hidden;
+				text-overflow: ellipsis;
+
+				&.activeTab {
+					text-align: center;
+
+					> .chevron {
+						display: inline-block;
+						margin-left: 6px;
+					}
+				}
+			}
+		}
+	}
+
+	> .tabs {
+		margin-left: 16px;
+		font-size: 0.8em;
+		overflow: auto;
+		white-space: nowrap;
+
+		> .tab {
+			display: inline-block;
+			position: relative;
+			padding: 0 10px;
+			height: 100%;
+			font-weight: normal;
+			opacity: 0.7;
+
+			&:hover {
+				opacity: 1;
+			}
+
+			&.active {
+				opacity: 1;
+
+				&:after {
+					content: "";
+					display: block;
+					position: absolute;
+					bottom: 0;
+					left: 0;
+					right: 0;
+					margin: 0 auto;
+					width: 100%;
+					height: 3px;
+					background: var(--accent);
+				}
+			}
+
+			> .icon + .title {
+				margin-left: 8px;
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/components/global/router-view.vue b/packages/client/src/components/global/router-view.vue
new file mode 100644
index 0000000000..393ba30c3d
--- /dev/null
+++ b/packages/client/src/components/global/router-view.vue
@@ -0,0 +1,39 @@
+<template>
+<KeepAlive max="5">
+	<component :is="currentPageComponent" :key="key" v-bind="Object.fromEntries(currentPageProps)"/>
+</KeepAlive>
+</template>
+
+<script lang="ts" setup>
+import { inject, nextTick, onMounted, onUnmounted, watch } from 'vue';
+import { Router } from '@/nirax';
+
+const props = defineProps<{
+	router?: Router;
+}>();
+
+const emit = defineEmits<{
+}>();
+
+const router = props.router ?? inject('router');
+
+if (router == null) {
+	throw new Error('no router provided');
+}
+
+let currentPageComponent = $ref(router.getCurrentComponent());
+let currentPageProps = $ref(router.getCurrentProps());
+let key = $ref(router.getCurrentKey());
+
+function onChange({ route, props: newProps, key: newKey }) {
+	currentPageComponent = route.component;
+	currentPageProps = newProps;
+	key = newKey;
+}
+
+router.addListener('change', onChange);
+
+onUnmounted(() => {
+	router.removeListener('change', onChange);
+});
+</script>
diff --git a/packages/client/src/components/index.ts b/packages/client/src/components/index.ts
index 26bac63245..aa8a591e51 100644
--- a/packages/client/src/components/index.ts
+++ b/packages/client/src/components/index.ts
@@ -10,15 +10,17 @@ import MkEllipsis from './global/ellipsis.vue';
 import MkTime from './global/time.vue';
 import MkUrl from './global/url.vue';
 import I18n from './global/i18n';
+import RouterView from './global/router-view.vue';
 import MkLoading from './global/loading.vue';
 import MkError from './global/error.vue';
 import MkAd from './global/ad.vue';
-import MkHeader from './global/header.vue';
+import MkPageHeader from './global/page-header.vue';
 import MkSpacer from './global/spacer.vue';
 import MkStickyContainer from './global/sticky-container.vue';
 
 export default function(app: App) {
 	app.component('I18n', I18n);
+	app.component('RouterView', RouterView);
 	app.component('Mfm', Mfm);
 	app.component('MkA', MkA);
 	app.component('MkAcct', MkAcct);
@@ -31,7 +33,7 @@ export default function(app: App) {
 	app.component('MkLoading', MkLoading);
 	app.component('MkError', MkError);
 	app.component('MkAd', MkAd);
-	app.component('MkHeader', MkHeader);
+	app.component('MkPageHeader', MkPageHeader);
 	app.component('MkSpacer', MkSpacer);
 	app.component('MkStickyContainer', MkStickyContainer);
 }
@@ -39,6 +41,7 @@ export default function(app: App) {
 declare module '@vue/runtime-core' {
 	export interface GlobalComponents {
 		I18n: typeof I18n;
+		RouterView: typeof RouterView;
 		Mfm: typeof Mfm;
 		MkA: typeof MkA;
 		MkAcct: typeof MkAcct;
@@ -51,7 +54,7 @@ declare module '@vue/runtime-core' {
 		MkLoading: typeof MkLoading;
 		MkError: typeof MkError;
 		MkAd: typeof MkAd;
-		MkHeader: typeof MkHeader;
+		MkPageHeader: typeof MkPageHeader;
 		MkSpacer: typeof MkSpacer;
 		MkStickyContainer: typeof MkStickyContainer;
 	}
diff --git a/packages/client/src/components/modal-page-window.vue b/packages/client/src/components/modal-page-window.vue
index 21bdb657b7..aef70f113b 100644
--- a/packages/client/src/components/modal-page-window.vue
+++ b/packages/client/src/components/modal-page-window.vue
@@ -1,163 +1,118 @@
 <template>
 <MkModal ref="modal" @click="$emit('click')" @closed="$emit('closed')">
-	<div class="hrmcaedk _window _narrow_" :style="{ width: `${width}px`, height: (height ? `min(${height}px, 100%)` : '100%') }">
+	<div ref="rootEl" class="hrmcaedk _window _narrow_" :style="{ width: `${width}px`, height: (height ? `min(${height}px, 100%)` : '100%') }">
 		<div class="header" @contextmenu="onContextmenu">
 			<button v-if="history.length > 0" v-tooltip="$ts.goBack" class="_button" @click="back()"><i class="fas fa-arrow-left"></i></button>
 			<span v-else style="display: inline-block; width: 20px"></span>
-			<span v-if="pageInfo" class="title">
-				<i v-if="pageInfo.icon" class="icon" :class="pageInfo.icon"></i>
-				<span>{{ pageInfo.title }}</span>
+			<span v-if="pageMetadata?.value" class="title">
+				<i v-if="pageMetadata?.value.icon" class="icon" :class="pageMetadata?.value.icon"></i>
+				<span>{{ pageMetadata?.value.title }}</span>
 			</span>
 			<button class="_button" @click="$refs.modal.close()"><i class="fas fa-times"></i></button>
 		</div>
 		<div class="body">
 			<MkStickyContainer>
-				<template #header><MkHeader v-if="pageInfo && !pageInfo.hideHeader" :info="pageInfo"/></template>
-				<keep-alive>
-					<component :is="component" v-bind="props" :ref="changePage"/>
-				</keep-alive>
+				<template #header><MkPageHeader v-if="pageMetadata?.value && !pageMetadata?.value.hideHeader" :info="pageMetadata?.value"/></template>
+				<RouterView :router="router"/>
 			</MkStickyContainer>
 		</div>
 	</div>
 </MkModal>
 </template>
 
-<script lang="ts">
-import { defineComponent } from 'vue';
+<script lang="ts" setup>
+import { ComputedRef, provide } from 'vue';
 import MkModal from '@/components/ui/modal.vue';
-import { popout } from '@/scripts/popout';
+import { popout as _popout } from '@/scripts/popout';
 import copyToClipboard from '@/scripts/copy-to-clipboard';
-import { resolve } from '@/router';
 import { url } from '@/config';
-import * as symbols from '@/symbols';
 import * as os from '@/os';
+import { mainRouter, routes } from '@/router';
+import { i18n } from '@/i18n';
+import { PageMetadata, provideMetadataReceiver, setPageMetadata } from '@/scripts/page-metadata';
+import { Router } from '@/nirax';
 
-export default defineComponent({
-	components: {
-		MkModal,
-	},
+const props = defineProps<{
+	initialPath: string;
+}>();
 
-	inject: {
-		sideViewHook: {
-			default: null,
-		},
-	},
-
-	provide() {
-		return {
-			navHook: (path) => {
-				this.navigate(path);
-			},
-			shouldHeaderThin: true,
-		};
-	},
+defineEmits<{
+	(ev: 'closed'): void;
+	(ev: 'click'): void;
+}>();
 
-	props: {
-		initialPath: {
-			type: String,
-			required: true,
-		},
-		initialComponent: {
-			type: Object,
-			required: true,
-		},
-		initialProps: {
-			type: Object,
-			required: false,
-			default: () => {},
-		},
-	},
+const router = new Router(routes, props.initialPath);
 
-	emits: ['closed'],
+router.addListener('push', ctx => {
+	
+});
 
-	data() {
-		return {
-			width: 860,
-			height: 660,
-			pageInfo: null,
-			path: this.initialPath,
-			component: this.initialComponent,
-			props: this.initialProps,
-			history: [],
-		};
-	},
+let pageMetadata = $ref<null | ComputedRef<PageMetadata>>();
+let rootEl = $ref();
+let modal = $ref<InstanceType<typeof MkModal>>();
+let path = $ref(props.initialPath);
+let width = $ref(860);
+let height = $ref(660);
+const history = [];
 
-	computed: {
-		url(): string {
-			return url + this.path;
-		},
+provide('router', router);
+provideMetadataReceiver((info) => {
+	pageMetadata = info;
+});
+provide('shouldOmitHeaderTitle', true);
+provide('shouldHeaderThin', true);
 
-		contextmenu() {
-			return [{
-				type: 'label',
-				text: this.path,
-			}, {
-				icon: 'fas fa-expand-alt',
-				text: this.$ts.showInPage,
-				action: this.expand,
-			}, this.sideViewHook ? {
-				icon: 'fas fa-columns',
-				text: this.$ts.openInSideView,
-				action: () => {
-					this.sideViewHook(this.path);
-					this.$refs.window.close();
-				},
-			} : undefined, {
-				icon: 'fas fa-external-link-alt',
-				text: this.$ts.popout,
-				action: this.popout,
-			}, null, {
-				icon: 'fas fa-external-link-alt',
-				text: this.$ts.openInNewTab,
-				action: () => {
-					window.open(this.url, '_blank');
-					this.$refs.window.close();
-				},
-			}, {
-				icon: 'fas fa-link',
-				text: this.$ts.copyLink,
-				action: () => {
-					copyToClipboard(this.url);
-				},
-			}];
+const pageUrl = $computed(() => url + path);
+const contextmenu = $computed(() => {
+	return [{
+		type: 'label',
+		text: path,
+	}, {
+		icon: 'fas fa-expand-alt',
+		text: i18n.ts.showInPage,
+		action: expand,
+	}, {
+		icon: 'fas fa-external-link-alt',
+		text: i18n.ts.popout,
+		action: popout,
+	}, null, {
+		icon: 'fas fa-external-link-alt',
+		text: i18n.ts.openInNewTab,
+		action: () => {
+			window.open(pageUrl, '_blank');
+			modal.close();
 		},
-	},
-
-	methods: {
-		changePage(page) {
-			if (page == null) return;
-			if (page[symbols.PAGE_INFO]) {
-				this.pageInfo = page[symbols.PAGE_INFO];
-			}
+	}, {
+		icon: 'fas fa-link',
+		text: i18n.ts.copyLink,
+		action: () => {
+			copyToClipboard(pageUrl);
 		},
+	}];
+});
 
-		navigate(path, record = true) {
-			if (record) this.history.push(this.path);
-			this.path = path;
-			const { component, props } = resolve(path);
-			this.component = component;
-			this.props = props;
-		},
+function navigate(path, record = true) {
+	if (record) history.push(router.getCurrentPath());
+	router.push(path);
+}
 
-		back() {
-			this.navigate(this.history.pop(), false);
-		},
+function back() {
+	navigate(history.pop(), false);
+}
 
-		expand() {
-			this.$router.push(this.path);
-			this.$refs.window.close();
-		},
+function expand() {
+	mainRouter.push(path);
+	modal.close();
+}
 
-		popout() {
-			popout(this.path, this.$el);
-			this.$refs.window.close();
-		},
+function popout() {
+	_popout(path, rootEl);
+	modal.close();
+}
 
-		onContextmenu(ev: MouseEvent) {
-			os.contextMenu(this.contextmenu, ev);
-		},
-	},
-});
+function onContextmenu(ev: MouseEvent) {
+	os.contextMenu(contextmenu, ev);
+}
 </script>
 
 <style lang="scss" scoped>
diff --git a/packages/client/src/components/note.vue b/packages/client/src/components/note.vue
index 9ec1e53c1e..c2c92f541d 100644
--- a/packages/client/src/components/note.vue
+++ b/packages/client/src/components/note.vue
@@ -225,7 +225,7 @@ function undoReact(note): void {
 	});
 }
 
-const currentClipPage = inject<Ref<misskey.entities.Clip>>('currentClipPage');
+const currentClipPage = inject<Ref<misskey.entities.Clip> | null>('currentClipPage', null);
 
 function onContextmenu(ev: MouseEvent): void {
 	const isLink = (el: HTMLElement) => {
diff --git a/packages/client/src/components/page-window.vue b/packages/client/src/components/page-window.vue
index 7455236bad..7de09d3be4 100644
--- a/packages/client/src/components/page-window.vue
+++ b/packages/client/src/components/page-window.vue
@@ -1,186 +1,135 @@
 <template>
-<XWindow ref="window"
+<XWindow
+	ref="windowEl"
 	:initial-width="500"
 	:initial-height="500"
 	:can-resize="true"
 	:close-button="true"
+	:buttons-left="buttonsLeft"
+	:buttons-right="buttonsRight"
 	:contextmenu="contextmenu"
 	@closed="$emit('closed')"
 >
 	<template #header>
-		<template v-if="pageInfo">
-			<i v-if="pageInfo.icon" class="icon" :class="pageInfo.icon" style="margin-right: 0.5em;"></i>
-			<span>{{ pageInfo.title }}</span>
+		<template v-if="pageMetadata?.value">
+			<i v-if="pageMetadata.value.icon" class="icon" :class="pageMetadata.value.icon" style="margin-right: 0.5em;"></i>
+			<span>{{ pageMetadata.value.title }}</span>
 		</template>
 	</template>
-	<template #headerLeft>
-		<button v-if="history.length > 0" v-tooltip="$ts.goBack" class="_button" @click="back()"><i class="fas fa-arrow-left"></i></button>
-	</template>
-	<template #headerRight>
-		<button v-tooltip="$ts.showInPage" class="_button" @click="expand()"><i class="fas fa-expand-alt"></i></button>
-		<button v-tooltip="$ts.popout" class="_button" @click="popout()"><i class="fas fa-external-link-alt"></i></button>
-		<button class="_button" @click="menu"><i class="fas fa-ellipsis-h"></i></button>
-	</template>
 
-	<div class="yrolvcoq" :style="{ background: pageInfo?.bg }">
-		<MkStickyContainer>
-			<template #header><MkHeader v-if="pageInfo && !pageInfo.hideHeader" :info="pageInfo"/></template>
-			<component :is="component" v-bind="props" :ref="changePage"/>
-		</MkStickyContainer>
+	<div class="yrolvcoq" :style="{ background: pageMetadata?.value?.bg }">
+		<RouterView :router="router"/>
 	</div>
 </XWindow>
 </template>
 
-<script lang="ts">
-import { defineComponent } from 'vue';
+<script lang="ts" setup>
+import { ComputedRef, inject, provide } from 'vue';
+import RouterView from './global/router-view.vue';
 import XWindow from '@/components/ui/window.vue';
-import { popout } from '@/scripts/popout';
+import { popout as _popout } from '@/scripts/popout';
 import copyToClipboard from '@/scripts/copy-to-clipboard';
-import { resolve } from '@/router';
 import { url } from '@/config';
-import * as symbols from '@/symbols';
 import * as os from '@/os';
+import { mainRouter, routes } from '@/router';
+import { Router } from '@/nirax';
+import { i18n } from '@/i18n';
+import { PageMetadata, provideMetadataReceiver, setPageMetadata } from '@/scripts/page-metadata';
 
-export default defineComponent({
-	components: {
-		XWindow,
-	},
+const props = defineProps<{
+	initialPath: string;
+}>();
 
-	inject: {
-		sideViewHook: {
-			default: null
-		}
-	},
+defineEmits<{
+	(ev: 'closed'): void;
+}>();
 
-	provide() {
-		return {
-			navHook: (path) => {
-				this.navigate(path);
-			},
-			shouldHeaderThin: true,
-		};
-	},
+const router = new Router(routes, props.initialPath);
 
-	props: {
-		initialPath: {
-			type: String,
-			required: true,
-		},
-		initialComponent: {
-			type: Object,
-			required: true,
-		},
-		initialProps: {
-			type: Object,
-			required: false,
-			default: () => {},
-		},
-	},
+let pageMetadata = $ref<null | ComputedRef<PageMetadata>>();
+let windowEl = $ref<InstanceType<typeof XWindow>>();
+const history = $ref<string[]>([props.initialPath]);
+const buttonsLeft = $computed(() => {
+	const buttons = [];
 
-	emits: ['closed'],
+	if (history.length > 1) {
+		buttons.push({
+			icon: 'fas fa-arrow-left',
+			onClick: back,
+		});
+	}
 
-	data() {
-		return {
-			pageInfo: null,
-			path: this.initialPath,
-			component: this.initialComponent,
-			props: this.initialProps,
-			history: [],
-		};
-	},
+	return buttons;
+});
+const buttonsRight = $computed(() => {
+	const buttons = [{
+		icon: 'fas fa-expand-alt',
+		title: i18n.ts.showInPage,
+		onClick: expand,
+	}];
 
-	computed: {
-		url(): string {
-			return url + this.path;
-		},
+	return buttons;
+});
 
-		contextmenu() {
-			return [{
-				type: 'label',
-				text: this.path,
-			}, {
-				icon: 'fas fa-expand-alt',
-				text: this.$ts.showInPage,
-				action: this.expand
-			}, this.sideViewHook ? {
-				icon: 'fas fa-columns',
-				text: this.$ts.openInSideView,
-				action: () => {
-					this.sideViewHook(this.path);
-					this.$refs.window.close();
-				}
-			} : undefined, {
-				icon: 'fas fa-external-link-alt',
-				text: this.$ts.popout,
-				action: this.popout
-			}, null, {
-				icon: 'fas fa-external-link-alt',
-				text: this.$ts.openInNewTab,
-				action: () => {
-					window.open(this.url, '_blank');
-					this.$refs.window.close();
-				}
-			}, {
-				icon: 'fas fa-link',
-				text: this.$ts.copyLink,
-				action: () => {
-					copyToClipboard(this.url);
-				}
-			}];
-		},
-	},
+router.addListener('push', ctx => {
+	history.push(router.getCurrentPath());
+});
 
-	methods: {
-		changePage(page) {
-			if (page == null) return;
-			if (page[symbols.PAGE_INFO]) {
-				this.pageInfo = page[symbols.PAGE_INFO];
-			}
-		},
+provide('router', router);
+provideMetadataReceiver((info) => {
+	pageMetadata = info;
+});
+provide('shouldOmitHeaderTitle', true);
+provide('shouldHeaderThin', true);
 
-		navigate(path, record = true) {
-			if (record) this.history.push(this.path);
-			this.path = path;
-			const { component, props } = resolve(path);
-			this.component = component;
-			this.props = props;
-		},
+const contextmenu = $computed(() => ([{
+	icon: 'fas fa-expand-alt',
+	text: i18n.ts.showInPage,
+	action: expand,
+}, {
+	icon: 'fas fa-external-link-alt',
+	text: i18n.ts.popout,
+	action: popout,
+}, {
+	icon: 'fas fa-external-link-alt',
+	text: i18n.ts.openInNewTab,
+	action: () => {
+		window.open(url + router.getCurrentPath(), '_blank');
+		windowEl.close();
+	},
+}, {
+	icon: 'fas fa-link',
+	text: i18n.ts.copyLink,
+	action: () => {
+		copyToClipboard(url + router.getCurrentPath());
+	},
+}]));
+
+function menu(ev) {
+	os.popupMenu(contextmenu, ev.currentTarget ?? ev.target);
+}
 
-		menu(ev) {
-			os.popupMenu([{
-				icon: 'fas fa-external-link-alt',
-				text: this.$ts.openInNewTab,
-				action: () => {
-					window.open(this.url, '_blank');
-					this.$refs.window.close();
-				}
-			}, {
-				icon: 'fas fa-link',
-				text: this.$ts.copyLink,
-				action: () => {
-					copyToClipboard(this.url);
-				}
-			}], ev.currentTarget ?? ev.target);
-		},
+function back() {
+	history.pop();
+	router.change(history[history.length - 1]);
+}
 
-		back() {
-			this.navigate(this.history.pop(), false);
-		},
+function close() {
+	windowEl.close();
+}
 
-		close() {
-			this.$refs.window.close();
-		},
+function expand() {
+	mainRouter.push(router.getCurrentPath());
+	windowEl.close();
+}
 
-		expand() {
-			this.$router.push(this.path);
-			this.$refs.window.close();
-		},
+function popout() {
+	_popout(router.getCurrentPath(), windowEl.$el);
+	windowEl.close();
+}
 
-		popout() {
-			popout(this.path, this.$el);
-			this.$refs.window.close();
-		},
-	},
+defineExpose({
+	close,
 });
 </script>
 
diff --git a/packages/client/src/components/ui/window.vue b/packages/client/src/components/ui/window.vue
index 2066cf579d..3cd4378f03 100644
--- a/packages/client/src/components/ui/window.vue
+++ b/packages/client/src/components/ui/window.vue
@@ -4,14 +4,14 @@
 		<div class="body _window _shadow _narrow_" @mousedown="onBodyMousedown" @keydown="onKeydown">
 			<div class="header" :class="{ mini }" @contextmenu.prevent.stop="onContextmenu">
 				<span class="left">
-					<slot name="headerLeft"></slot>
+					<button v-for="button in buttonsLeft" v-tooltip="button.title" class="button _button" :class="{ highlighted: button.highlighted }" @click="button.onClick"><i :class="button.icon"></i></button>
 				</span>
 				<span class="title" @mousedown.prevent="onHeaderMousedown" @touchstart.prevent="onHeaderMousedown">
 					<slot name="header"></slot>
 				</span>
 				<span class="right">
-					<slot name="headerRight"></slot>
-					<button v-if="closeButton" class="_button" @click="close()"><i class="fas fa-times"></i></button>
+					<button v-for="button in buttonsRight" v-tooltip="button.title" class="button _button" :class="{ highlighted: button.highlighted }" @click="button.onClick"><i :class="button.icon"></i></button>
+					<button v-if="closeButton" class="button _button" @click="close()"><i class="fas fa-times"></i></button>
 				</span>
 			</div>
 			<div v-if="padding" class="body">
@@ -46,41 +46,41 @@ const minHeight = 50;
 const minWidth = 250;
 
 function dragListen(fn) {
-	window.addEventListener('mousemove',  fn);
-	window.addEventListener('touchmove',  fn);
+	window.addEventListener('mousemove', fn);
+	window.addEventListener('touchmove', fn);
 	window.addEventListener('mouseleave', dragClear.bind(null, fn));
-	window.addEventListener('mouseup',    dragClear.bind(null, fn));
-	window.addEventListener('touchend',   dragClear.bind(null, fn));
+	window.addEventListener('mouseup', dragClear.bind(null, fn));
+	window.addEventListener('touchend', dragClear.bind(null, fn));
 }
 
 function dragClear(fn) {
-	window.removeEventListener('mousemove',  fn);
-	window.removeEventListener('touchmove',  fn);
+	window.removeEventListener('mousemove', fn);
+	window.removeEventListener('touchmove', fn);
 	window.removeEventListener('mouseleave', dragClear);
-	window.removeEventListener('mouseup',    dragClear);
-	window.removeEventListener('touchend',   dragClear);
+	window.removeEventListener('mouseup', dragClear);
+	window.removeEventListener('touchend', dragClear);
 }
 
 export default defineComponent({
 	provide: {
-		inWindow: true
+		inWindow: true,
 	},
 
 	props: {
 		padding: {
 			type: Boolean,
 			required: false,
-			default: false
+			default: false,
 		},
 		initialWidth: {
 			type: Number,
 			required: false,
-			default: 400
+			default: 400,
 		},
 		initialHeight: {
 			type: Number,
 			required: false,
-			default: null
+			default: null,
 		},
 		canResize: {
 			type: Boolean,
@@ -105,7 +105,17 @@ export default defineComponent({
 		contextmenu: {
 			type: Array,
 			required: false,
-		}
+		},
+		buttonsLeft: {
+			type: Array,
+			required: false,
+			default: [],
+		},
+		buttonsRight: {
+			type: Array,
+			required: false,
+			default: [],
+		},
 	},
 
 	emits: ['closed'],
@@ -162,7 +172,10 @@ export default defineComponent({
 			this.top();
 		},
 
-		onHeaderMousedown(evt) {
+		onHeaderMousedown(evt: MouseEvent) {
+			// 右クリックはコンテキストメニューを開こうとした可能性が高いため無視
+			if (evt.button === 2) return;
+
 			const main = this.$el as any;
 
 			if (!contains(main, document.activeElement)) main.focus();
@@ -356,12 +369,12 @@ export default defineComponent({
 			const browserHeight = window.innerHeight;
 			const windowWidth = main.offsetWidth;
 			const windowHeight = main.offsetHeight;
-			if (position.left < 0) main.style.left = 0;     // 左はみ出し
-			if (position.top + windowHeight > browserHeight) main.style.top = browserHeight - windowHeight + 'px';  // 下はみ出し
-			if (position.left + windowWidth > browserWidth) main.style.left = browserWidth - windowWidth + 'px';    // 右はみ出し
-			if (position.top < 0) main.style.top = 0;       // 上はみ出し
-		}
-	}
+			if (position.left < 0) main.style.left = 0; // 左はみ出し
+			if (position.top + windowHeight > browserHeight) main.style.top = browserHeight - windowHeight + 'px'; // 下はみ出し
+			if (position.left + windowWidth > browserWidth) main.style.left = browserWidth - windowWidth + 'px'; // 右はみ出し
+			if (position.top < 0) main.style.top = 0; // 上はみ出し
+		},
+	},
 });
 </script>
 
@@ -404,17 +417,25 @@ export default defineComponent({
 			border-bottom: solid 1px var(--divider);
 
 			> .left, > .right {
-				> ::v-deep(button) {
+				> .button {
 					height: var(--height);
 					width: var(--height);
 
 					&:hover {
 						color: var(--fgHighlighted);
 					}
+
+					&.highlighted {
+						color: var(--accent);
+					}
 				}
 			}
 
 			> .left {
+				margin-right: 16px;
+			}
+
+			> .right {
 				min-width: 16px;
 			}