enhance: チャンネルに新規の投稿がある場合にバッジを表示させる (#12690)

* 多分できたかも

* 不要なpropsを削除

* 不要なimportを削除

* 縁を付けた

* 枠線の位置を端に寄せた

* やっぱり内側へ寄せることにした

* できたかも

* 修正

* 修正

* クラスにまとめた

* 微調整

* 直せたかも

* importを付け足し

* 多分できたかも

* Update channel.vue

* Update MkMenu.vue

* Update channel.vue

* Update CHANGELOG.md

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

2 files changed, 111 insertions, 51 deletions

diff --git a/packages/frontend/src/components/MkChannelPreview.vue b/packages/frontend/src/components/MkChannelPreview.vue
index 4512f2dd60..bf6504d6bf 100644
--- a/packages/frontend/src/components/MkChannelPreview.vue
+++ b/packages/frontend/src/components/MkChannelPreview.vue
@@ -4,49 +4,70 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<MkA :to="`/channels/${channel.id}`" class="eftoefju _panel" tabindex="-1">
-	<div class="banner" :style="bannerStyle">
-		<div class="fade"></div>
-		<div class="name"><i class="ti ti-device-tv"></i> {{ channel.name }}</div>
-		<div v-if="channel.isSensitive" class="sensitiveIndicator">{{ i18n.ts.sensitive }}</div>
-		<div class="status">
-			<div>
-				<i class="ti ti-users ti-fw"></i>
-				<I18n :src="i18n.ts._channel.usersCount" tag="span" style="margin-left: 4px;">
-					<template #n>
-						<b>{{ channel.usersCount }}</b>
-					</template>
-				</I18n>
-			</div>
-			<div>
-				<i class="ti ti-pencil ti-fw"></i>
-				<I18n :src="i18n.ts._channel.notesCount" tag="span" style="margin-left: 4px;">
-					<template #n>
-						<b>{{ channel.notesCount }}</b>
-					</template>
-				</I18n>
+<div style="position: relative;">
+	<MkA :to="`/channels/${channel.id}`" class="eftoefju _panel" tabindex="-1" @click="updateLastReadedAt">
+		<div class="banner" :style="bannerStyle">
+			<div class="fade"></div>
+			<div class="name"><i class="ti ti-device-tv"></i> {{ channel.name }}</div>
+			<div v-if="channel.isSensitive" class="sensitiveIndicator">{{ i18n.ts.sensitive }}</div>
+			<div class="status">
+				<div>
+					<i class="ti ti-users ti-fw"></i>
+					<I18n :src="i18n.ts._channel.usersCount" tag="span" style="margin-left: 4px;">
+						<template #n>
+							<b>{{ channel.usersCount }}</b>
+						</template>
+					</I18n>
+				</div>
+				<div>
+					<i class="ti ti-pencil ti-fw"></i>
+					<I18n :src="i18n.ts._channel.notesCount" tag="span" style="margin-left: 4px;">
+						<template #n>
+							<b>{{ channel.notesCount }}</b>
+						</template>
+					</I18n>
+				</div>
 			</div>
 		</div>
-	</div>
-	<article v-if="channel.description">
-		<p :title="channel.description">{{ channel.description.length > 85 ? channel.description.slice(0, 85) + '…' : channel.description }}</p>
-	</article>
-	<footer>
-		<span v-if="channel.lastNotedAt">
-			{{ i18n.ts.updatedAt }}: <MkTime :time="channel.lastNotedAt"/>
-		</span>
-	</footer>
-</MkA>
+		<article v-if="channel.description">
+			<p :title="channel.description">{{ channel.description.length > 85 ? channel.description.slice(0, 85) + '…' : channel.description }}</p>
+		</article>
+		<footer>
+			<span v-if="channel.lastNotedAt">
+				{{ i18n.ts.updatedAt }}: <MkTime :time="channel.lastNotedAt"/>
+			</span>
+		</footer>
+	</MkA>
+	<div
+		v-if="channel.lastNotedAt && (channel.isFavorited || channel.isFollowing) && (!lastReadedAt || Date.parse(channel.lastNotedAt) > lastReadedAt)"
+		class="indicator"
+	></div>
+</div>
 </template>
 
 <script lang="ts" setup>
-import { computed } from 'vue';
+import { computed, ref, watch } from 'vue';
 import { i18n } from '@/i18n.js';
+import { miLocalStorage } from '@/local-storage.js';
 
 const props = defineProps<{
 	channel: Record<string, any>;
 }>();
 
+const getLastReadedAt = (): number | null => {
+	return miLocalStorage.getItemAsJson(`channelLastReadedAt:${props.channel.id}`) ?? null;
+};
+
+const lastReadedAt = ref(getLastReadedAt());
+
+watch(() => props.channel.id, () => {
+	lastReadedAt.value = getLastReadedAt();
+});
+
+const updateLastReadedAt = () => {
+	lastReadedAt.value = props.channel.lastNotedAt ? Date.parse(props.channel.lastNotedAt) : Date.now();
+};
+
 const bannerStyle = computed(() => {
 	if (props.channel.bannerUrl) {
 		return { backgroundImage: `url(${props.channel.bannerUrl})` };
@@ -170,4 +191,17 @@ const bannerStyle = computed(() => {
 	}
 }
 
+.indicator {
+	position: absolute;
+	top: 0;
+	right: 0;
+	transform: translate(25%, -25%);
+	background-color: var(--accent);
+	border: solid var(--bg) 4px;
+	border-radius: 100%;
+	width: 1.5rem;
+	height: 1.5rem;
+	aspect-ratio: 1 / 1;
+}
+
 </style>
diff --git a/packages/frontend/src/components/MkMenu.vue b/packages/frontend/src/components/MkMenu.vue
index 8e4b86f1c7..0a97cf3dba 100644
--- a/packages/frontend/src/components/MkMenu.vue
+++ b/packages/frontend/src/components/MkMenu.vue
@@ -15,7 +15,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<template v-for="(item, i) in items2">
 			<div v-if="item.type === 'divider'" role="separator" :class="$style.divider"></div>
 			<span v-else-if="item.type === 'label'" role="menuitem" :class="[$style.label, $style.item]">
-				<span>{{ item.text }}</span>
+				<span style="opacity: 0.7;">{{ item.text }}</span>
 			</span>
 			<span v-else-if="item.type === 'pending'" role="menuitem" :tabindex="i" :class="[$style.pending, $style.item]">
 				<span><MkEllipsis/></span>
@@ -23,32 +23,44 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkA v-else-if="item.type === 'link'" role="menuitem" :to="item.to" :tabindex="i" class="_button" :class="$style.item" @click.passive="close(true)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]"></i>
 				<MkAvatar v-if="item.avatar" :user="item.avatar" :class="$style.avatar"/>
-				<span>{{ item.text }}</span>
-				<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text">{{ item.text }}</span>
+					<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				</div>
 			</MkA>
 			<a v-else-if="item.type === 'a'" role="menuitem" :href="item.href" :target="item.target" :download="item.download" :tabindex="i" class="_button" :class="$style.item" @click="close(true)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]"></i>
-				<span>{{ item.text }}</span>
-				<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text">{{ item.text }}</span>
+					<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				</div>
 			</a>
 			<button v-else-if="item.type === 'user'" role="menuitem" :tabindex="i" class="_button" :class="[$style.item, { [$style.active]: item.active }]" :disabled="item.active" @click="clicked(item.action, $event)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<MkAvatar :user="item.user" :class="$style.avatar"/><MkUserName :user="item.user"/>
-				<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				<div v-if="item.indicate" :class="$style.item_content">
+					<span :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				</div>
 			</button>
 			<button v-else-if="item.type === 'switch'" role="menuitemcheckbox" :tabindex="i" class="_button" :class="[$style.item, $style.switch, { [$style.switchDisabled]: item.disabled } ]" @click="switchItem(item)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<MkSwitchButton :class="$style.switchButton" :checked="item.ref" :disabled="item.disabled" @toggle="switchItem(item)"/>
-				<span :class="$style.switchText">{{ item.text }}</span>
+				<div :class="$style.item_content">
+					<span :class="[$style.item_content_text, $style.switchText]">{{ item.text }}</span>
+				</div>
 			</button>
 			<button v-else-if="item.type === 'parent'" class="_button" role="menuitem" :tabindex="i" :class="[$style.item, $style.parent, { [$style.childShowing]: childShowingItem === item }]" @mouseenter="preferClick ? null : showChildren(item, $event)" @click="!preferClick ? null : showChildren(item, $event)">
 				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]" style="pointer-events: none;"></i>
-				<span style="pointer-events: none;">{{ item.text }}</span>
-				<span :class="$style.caret" style="pointer-events: none;"><i class="ti ti-chevron-right ti-fw"></i></span>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text" style="pointer-events: none;">{{ item.text }}</span>
+					<span :class="$style.caret" style="pointer-events: none;"><i class="ti ti-chevron-right ti-fw"></i></span>
+				</div>
 			</button>
 			<button v-else :tabindex="i" class="_button" role="menuitem" :class="[$style.item, { [$style.danger]: item.danger, [$style.active]: item.active }]" :disabled="item.active" @click="clicked(item.action, $event)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
 				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]"></i>
 				<MkAvatar v-if="item.avatar" :user="item.avatar" :class="$style.avatar"/>
-				<span>{{ item.text }}</span>
-				<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text">{{ item.text }}</span>
+					<span v-if="item.indicate" :class="$style.indicator"><i class="_indicatorCircle"></i></span>
+				</div>
 			</button>
 		</template>
 		<span v-if="items2.length === 0" :class="[$style.none, $style.item]">
@@ -228,6 +240,7 @@ onBeforeUnmount(() => {
 .root {
 	padding: 8px 0;
 	box-sizing: border-box;
+	max-width: 100vw;
 	min-width: 200px;
 	overflow: auto;
 	overscroll-behavior: contain;
@@ -267,7 +280,8 @@ onBeforeUnmount(() => {
 }
 
 .item {
-	display: block;
+	display: flex;
+	align-items: center;
 	position: relative;
 	padding: 5px 16px;
 	width: 100%;
@@ -340,10 +354,6 @@ onBeforeUnmount(() => {
 		pointer-events: none;
 		font-size: 0.7em;
 		padding-bottom: 4px;
-
-		> span {
-			opacity: 0.7;
-		}
 	}
 
 	&.pending {
@@ -373,6 +383,22 @@ onBeforeUnmount(() => {
 	}
 }
 
+.item_content {
+	width: 100%;
+	max-width: 100vw;
+	display: flex;
+	align-items: center;
+	justify-content: space-between;
+	gap: 8px;
+	text-overflow: ellipsis;
+}
+
+.item_content_text {
+	max-width: calc(100vw - 4rem);
+	text-overflow: ellipsis;
+	overflow: hidden;
+}
+
 .switch {
 	position: relative;
 	display: flex;
@@ -406,6 +432,7 @@ onBeforeUnmount(() => {
 
 .icon {
 	margin-right: 8px;
+	line-height: 1;
 }
 
 .caret {
@@ -419,9 +446,8 @@ onBeforeUnmount(() => {
 }
 
 .indicator {
-	position: absolute;
-	top: 5px;
-	left: 13px;
+	display: flex;
+	align-items: center;
 	color: var(--indicator);
 	font-size: 12px;
 	animation: blink 1s infinite;