New MkPageHeader

packages/client/src/components/global/MkPageHeader.vue

@@ -19,7 +19,7 @@
 			<div ref="tabsEl" v-if="hasTabs" class="tabs">
 				<button v-for="tab in tabs" :ref="(el) => tabRefs[tab.key] = el" v-tooltip.noDelay="tab.title" class="tab _button" :class="{ active: tab.key != null && tab.key === props.tab }" @mousedown="(ev) => onTabMousedown(tab, ev)" @click="(ev) => onTabClick(tab, ev)">
 					<i v-if="tab.icon" class="icon" :class="tab.icon"></i>
-				<span v-if="deviceKind !== 'desktop' || isTouchUsing || (!tab.iconOnly && !narrow)" class="title">{{ tab.title }}</span>
+					<span class="title">{{ tab.title }}</span>
 				</button>
 				<div ref="tabHighlightEl" class="highlight"></div>
 			</div>
@@ -37,10 +37,7 @@ import { computed, onMounted, onUnmounted, ref, inject, watch, shallowReactive,
 import tinycolor from 'tinycolor2';
 import { popupMenu } from '@/os';
 import { scrollToTop } from '@/scripts/scroll';
-import { i18n } from '@/i18n';
 import { globalEvents } from '@/events';
-import { deviceKind } from '@/scripts/device-kind';
-import { isTouchUsing } from '@/scripts/touch';
 import { injectPageMetadata } from '@/scripts/page-metadata';
 import { $i, openAccountMenu as openAccountMenu_ } from '@/account';
 
@@ -153,12 +150,18 @@ onMounted(() => {
 			if (tabEl && tabHighlightEl) {
 				// offsetWidth や offsetLeft は少数を丸めてしまうため getBoundingClientRect を使う必要がある
 				// https://developer.mozilla.org/ja/docs/Web/API/HTMLElement/offsetWidth#%E5%80%A4
+				const tabSizeX = tabEl.scrollWidth + 20; // + the tab's padding
+				tabEl.style = `--width: ${tabSizeX}px`;
+				setTimeout(() => {
 					const parentRect = tabsEl.getBoundingClientRect();
 					const rect = tabEl.getBoundingClientRect();
 					const left = (rect.left - parentRect.left + tabsEl?.scrollLeft);
-				tabHighlightEl.style.width = rect.width + 'px';
-				tabHighlightEl.style.left = left + 'px';
-				tabsEl.scrollTo({left: left - 80, behavior: "smooth"});
+					tabHighlightEl.style.width = tabSizeX + 'px';
+					tabHighlightEl.style.transform = `translateX(${left}px)`;
+					window.requestAnimationFrame(() => {
+						tabsEl?.scrollTo({left: left - 60, behavior: "smooth"});
+					})
+				}, 200);
 			}
 		});
 	}, {
@@ -190,7 +193,6 @@ onUnmounted(() => {
 	-webkit-backdrop-filter: var(--blur, blur(15px));
 	backdrop-filter: var(--blur, blur(15px));
 	border-bottom: solid 0.5px var(--divider);
-	contain: strict;
 	height: var(--height);
 
 	&.thin {
@@ -349,16 +351,20 @@ onUnmounted(() => {
 		font-size: 1em;
 		overflow-x: auto;
 		white-space: nowrap;
+		contain: strict;
 
 		> .tab {
 			display: inline-flex;
 			align-items: center;
 			position: relative;
-			padding: 0 10px;
+			border-inline: 10px solid transparent;
 			height: 100%;
 			font-weight: normal;
 			opacity: 0.7;
-			transition: color .2s, opacity .2s;
+			width: 38px;
+			--width: 38px;
+			overflow: hidden;
+			transition: color .2s, opacity .2s, width .2s;
 
 			&:hover {
 				opacity: 1;
@@ -368,20 +374,29 @@ onUnmounted(() => {
 				opacity: 1;
 				color: var(--accent);
 				font-weight: 600;
+				width: var(--width);
+			}
+			&:not(.active) > .title {
+				opacity: 0;
 			}
 
 			> .icon + .title {
 				margin-left: 8px;
 			}
+			> .title {
+				transition: opacity .2s;
+			}
 		}
 
 		> .highlight {
 			position: absolute;
 			bottom: 0;
+			left: 0;
 			height: 3px;
 			background: var(--accent);
 			border-radius: 999px;
-			transition: all 0.2s ease;
+			transition: width .2s, transform .2s;
+			transition-timing-function: cubic-bezier(0,0,0,1.2);
 			pointer-events: none;
 		}
 	}