1 files changed, 187 insertions, 0 deletions
diff --git a/packages/frontend/src/components/MkFollowButton.vue b/packages/frontend/src/components/MkFollowButton.vue
new file mode 100644
index 0000000000..ee256d9263
--- /dev/null
+++ b/packages/frontend/src/components/MkFollowButton.vue
@@ -0,0 +1,187 @@
+<template>
+<button
+	class="kpoogebi _button"
+	:class="{ wait, active: isFollowing || hasPendingFollowRequestFromYou, full, large }"
+	:disabled="wait"
+	@click="onClick"
+>
+	<template v-if="!wait">
+		<template v-if="hasPendingFollowRequestFromYou && user.isLocked">
+			<span v-if="full">{{ i18n.ts.followRequestPending }}</span><i class="ti ti-hourglass-empty"></i>
+		</template>
+		<template v-else-if="hasPendingFollowRequestFromYou && !user.isLocked">
+			<!-- つまりリモートフォローの場合。 -->
+			<span v-if="full">{{ i18n.ts.processing }}</span><MkLoading :em="true" :colored="false"/>
+		</template>
+		<template v-else-if="isFollowing">
+			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="ti ti-minus"></i>
+		</template>
+		<template v-else-if="!isFollowing && user.isLocked">
+			<span v-if="full">{{ i18n.ts.followRequest }}</span><i class="ti ti-plus"></i>
+		</template>
+		<template v-else-if="!isFollowing && !user.isLocked">
+			<span v-if="full">{{ i18n.ts.follow }}</span><i class="ti ti-plus"></i>
+		</template>
+	</template>
+	<template v-else>
+		<span v-if="full">{{ i18n.ts.processing }}</span><MkLoading :em="true" :colored="false"/>
+	</template>
+</button>
+</template>
+
+<script lang="ts" setup>
+import { onBeforeUnmount, onMounted } from 'vue';
+import * as Misskey from 'misskey-js';
+import * as os from '@/os';
+import { stream } from '@/stream';
+import { i18n } from '@/i18n';
+
+const props = withDefaults(defineProps<{
+	user: Misskey.entities.UserDetailed,
+	full?: boolean,
+	large?: boolean,
+}>(), {
+	full: false,
+	large: false,
+});
+
+let isFollowing = $ref(props.user.isFollowing);
+let hasPendingFollowRequestFromYou = $ref(props.user.hasPendingFollowRequestFromYou);
+let wait = $ref(false);
+const connection = stream.useChannel('main');
+
+if (props.user.isFollowing == null) {
+	os.api('users/show', {
+		userId: props.user.id,
+	})
+		.then(onFollowChange);
+}
+
+function onFollowChange(user: Misskey.entities.UserDetailed) {
+	if (user.id === props.user.id) {
+		isFollowing = user.isFollowing;
+		hasPendingFollowRequestFromYou = user.hasPendingFollowRequestFromYou;
+	}
+}
+
+async function onClick() {
+	wait = true;
+
+	try {
+		if (isFollowing) {
+			const { canceled } = await os.confirm({
+				type: 'warning',
+				text: i18n.t('unfollowConfirm', { name: props.user.name || props.user.username }),
+			});
+
+			if (canceled) return;
+
+			await os.api('following/delete', {
+				userId: props.user.id,
+			});
+		} else {
+			if (hasPendingFollowRequestFromYou) {
+				await os.api('following/requests/cancel', {
+					userId: props.user.id,
+				});
+				hasPendingFollowRequestFromYou = false;
+			} else {
+				await os.api('following/create', {
+					userId: props.user.id,
+				});
+				hasPendingFollowRequestFromYou = true;
+			}
+		}
+	} catch (err) {
+		console.error(err);
+	} finally {
+		wait = false;
+	}
+}
+
+onMounted(() => {
+	connection.on('follow', onFollowChange);
+	connection.on('unfollow', onFollowChange);
+});
+
+onBeforeUnmount(() => {
+	connection.dispose();
+});
+</script>
+
+<style lang="scss" scoped>
+.kpoogebi {
+	position: relative;
+	display: inline-block;
+	font-weight: bold;
+	color: var(--accent);
+	background: transparent;
+	border: solid 1px var(--accent);
+	padding: 0;
+	height: 31px;
+	font-size: 16px;
+	border-radius: 32px;
+	background: #fff;
+
+	&.full {
+		padding: 0 8px 0 12px;
+		font-size: 14px;
+	}
+
+	&.large {
+		font-size: 16px;
+		height: 38px;
+		padding: 0 12px 0 16px;
+	}
+
+	&:not(.full) {
+		width: 31px;
+	}
+
+	&:focus-visible {
+		&:after {
+			content: "";
+			pointer-events: none;
+			position: absolute;
+			top: -5px;
+			right: -5px;
+			bottom: -5px;
+			left: -5px;
+			border: 2px solid var(--focus);
+			border-radius: 32px;
+		}
+	}
+
+	&:hover {
+		//background: mix($primary, #fff, 20);
+	}
+
+	&:active {
+		//background: mix($primary, #fff, 40);
+	}
+
+	&.active {
+		color: #fff;
+		background: var(--accent);
+
+		&:hover {
+			background: var(--accentLighten);
+			border-color: var(--accentLighten);
+		}
+
+		&:active {
+			background: var(--accentDarken);
+			border-color: var(--accentDarken);
+		}
+	}
+
+	&.wait {
+		cursor: wait !important;
+		opacity: 0.7;
+	}
+
+	> span {
+		margin-right: 6px;
+	}
+}
+</style>