feat(frontend): スワイプやボタンでタイムラインを再読込する機能

CHANGELOG.md

@@ -24,6 +24,9 @@
 - Feat: プラグイン・テーマを外部サイトから直接インストールできるようになりました
 	- 外部サイトでの実装が必要です。詳細は Misskey Hub をご覧ください
 	  https://misskey-hub.net/docs/advanced/publish-on-your-website.html
+- Enhance: スワイプしてタイムラインを再読込できるように
+	- PCの場合は右上のボタンからでも再読込できます
+- Enhance: タイムラインの自動更新を無効にできるように
 - Enhance: コードのシンタックスハイライトエンジンをShikiに変更
   - AiScriptのシンタックスハイライトに対応
   - MFMでAiScriptをハイライトする場合、コードブロックの開始部分を ` ```is ` もしくは ` ```aiscript ` としてください

locales/index.d.ts

@@ -1152,6 +1152,10 @@ export interface Locale {
     "angle": string;
     "flip": string;
     "showAvatarDecorations": string;
+    "releaseToRefresh": string;
+    "refreshing": string;
+    "pullDownToRefresh": string;
+    "disableStreamingTimeline": string;
     "_announcement": {
         "forExistingUsers": string;
         "forExistingUsersDescription": string;

locales/ja-JP.yml

@@ -1149,6 +1149,10 @@ detach: "外す"
 angle: "角度"
 flip: "反転"
 showAvatarDecorations: "アイコンのデコレーションを表示"
+releaseToRefresh: "離してリロード"
+refreshing: "リロード中"
+pullDownToRefresh: "引っ張ってリロード"
+disableStreamingTimeline: "タイムラインのリアルタイム更新を無効にする"
 
 _announcement:
   forExistingUsers: "既存ユーザーのみ"

packages/frontend/src/boot/main-boot.ts

@@ -8,7 +8,7 @@ import { common } from './common.js';
 import { version, ui, lang, updateLocale } from '@/config.js';
 import { i18n, updateI18n } from '@/i18n.js';
 import { confirm, alert, post, popup, toast } from '@/os.js';
-import { useStream } from '@/stream.js';
+import { useStream, isReloading } from '@/stream.js';
 import * as sound from '@/scripts/sound.js';
 import { $i, refreshAccount, login, updateAccount, signout } from '@/account.js';
 import { defaultStore, ColdDeviceStorage } from '@/store.js';
@@ -39,6 +39,7 @@ export async function mainBoot() {
 
 	let reloadDialogShowing = false;
 	stream.on('_disconnected_', async () => {
+		if (isReloading) return;
 		if (defaultStore.state.serverDisconnectedBehavior === 'reload') {
 			location.reload();
 		} else if (defaultStore.state.serverDisconnectedBehavior === 'dialog') {

packages/frontend/src/components/MkPageWindow.vue

@@ -166,6 +166,8 @@ defineExpose({
 
 <style lang="scss" module>
 .root {
+	overscroll-behavior: none;
+
 	min-height: 100%;
 	background: var(--bg);
 

packages/frontend/src/components/MkPagination.vue

@@ -102,6 +102,7 @@ const props = withDefaults(defineProps<{
 
 const emit = defineEmits<{
 	(ev: 'queue', count: number): void;
+	(ev: 'status', error: boolean): void;
 }>();
 
 let rootEl = $shallowRef<HTMLElement>();
@@ -193,6 +194,11 @@ watch(queue, (a, b) => {
 	emit('queue', queue.value.size);
 }, { deep: true });
 
+watch(error, (n, o) => {
+	if (n === o) return;
+	emit('status', n);
+});
+
 async function init(): Promise<void> {
 	items.value = new Map();
 	queue.value = new Map();

packages/frontend/src/components/MkPullToRefresh.vue

@@ -0,0 +1,238 @@
+<!--
+SPDX-FileCopyrightText: syuilo and other misskey contributors
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div ref="rootEl">
+	<div v-if="isPullStart" :class="$style.frame" :style="`--frame-min-height: ${currentHeight / 3}px;`">
+		<div :class="$style.frameContent">
+			<MkLoading v-if="isRefreshing" :class="$style.loader" :em="true"/>
+			<i v-else class="ti ti-arrow-bar-to-down" :class="[$style.icon, { [$style.refresh]: isPullEnd }]"></i>
+			<div :class="$style.text">
+				<template v-if="isPullEnd">{{ i18n.ts.releaseToRefresh }}</template>
+				<template v-else-if="isRefreshing">{{ i18n.ts.refreshing }}</template>
+				<template v-else>{{ i18n.ts.pullDownToRefresh }}</template>
+			</div>
+		</div>
+	</div>
+	<div :class="{ [$style.slotClip]: isPullStart }">
+		<slot/>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, onUnmounted } from 'vue';
+import { deviceKind } from '@/scripts/device-kind.js';
+import { i18n } from '@/i18n.js';
+
+const SCROLL_STOP = 10;
+const MAX_PULL_DISTANCE = Infinity;
+const FIRE_THRESHOLD = 200;
+const RELEASE_TRANSITION_DURATION = 200;
+
+let isPullStart = $ref(false);
+let isPullEnd = $ref(false);
+let isRefreshing = $ref(false);
+let currentHeight = $ref(0);
+
+let supportPointerDesktop = false;
+let startScreenY: number | null = null;
+
+const rootEl = $shallowRef<HTMLDivElement>();
+let scrollEl: HTMLElement | null = null;
+
+let disabled = false;
+
+const emits = defineEmits<{
+	(ev: 'refresh'): void;
+}>();
+
+function getScrollableParentElement(node) {
+	if (node == null) {
+		return null;
+	}
+
+	if (node.scrollHeight > node.clientHeight) {
+		return node;
+	} else {
+		return getScrollableParentElement(node.parentNode);
+	}
+}
+
+function getScreenY(event) {
+	if (supportPointerDesktop) {
+		return event.screenY;
+	}
+	return event.touches[0].screenY;
+}
+
+function moveStart(event) {
+	if (!isPullStart && !isRefreshing && !disabled) {
+		isPullStart = true;
+		startScreenY = getScreenY(event);
+		currentHeight = 0;
+	}
+}
+
+function moveBySystem(to: number): Promise<void> {
+	return new Promise(r => {
+		const startHeight = currentHeight;
+		const overHeight = currentHeight - to;
+		if (overHeight < 1) {
+			r();
+			return;
+		}
+		const startTime = Date.now();
+		let intervalId = setInterval(() => {
+			const time = Date.now() - startTime;
+			if (time > RELEASE_TRANSITION_DURATION) {
+				currentHeight = to;
+				clearInterval(intervalId);
+				r();
+				return;
+			}
+			const nextHeight = startHeight - (overHeight / RELEASE_TRANSITION_DURATION) * time;
+			if (currentHeight < nextHeight) return;
+			currentHeight = nextHeight;
+		}, 1);
+	});
+}
+
+async function fixOverContent() {
+	if (currentHeight > FIRE_THRESHOLD) {
+		await moveBySystem(FIRE_THRESHOLD);
+	}
+}
+
+async function closeContent() {
+	if (currentHeight > 0) {
+		await moveBySystem(0);
+	}
+}
+
+function moveEnd() {
+	if (isPullStart && !isRefreshing) {
+		startScreenY = null;
+		if (isPullEnd) {
+			isPullEnd = false;
+			isRefreshing = true;
+			fixOverContent().then(() => emits('refresh'));
+		} else {
+			closeContent().then(() => isPullStart = false);
+		}
+	}
+}
+
+function moving(event) {
+	if (!isPullStart || isRefreshing || disabled) return;
+
+	if (!scrollEl) {
+		scrollEl = getScrollableParentElement(rootEl);
+	}
+	if ((scrollEl?.scrollTop ?? 0) > (supportPointerDesktop ? SCROLL_STOP : SCROLL_STOP + currentHeight)) {
+		currentHeight = 0;
+		isPullEnd = false;
+		moveEnd();
+		return;
+	}
+
+	if (startScreenY === null) {
+		startScreenY = getScreenY(event);
+	}
+	const moveScreenY = getScreenY(event);
+
+	const moveHeight = moveScreenY - startScreenY!;
+	currentHeight = Math.min(Math.max(moveHeight, 0), MAX_PULL_DISTANCE);
+
+	isPullEnd = currentHeight >= FIRE_THRESHOLD;
+}
+
+/**
+ * emit(refresh)が完了したことを知らせる関数
+ *
+ * タイムアウトがないのでこれを最終的に実行しないと出たままになる
+ */
+function refreshFinished() {
+	closeContent().then(() => {
+		isPullStart = false;
+		isRefreshing = false;
+	});
+}
+
+function setDisabled(value) {
+	disabled = value;
+}
+
+onMounted(() => {
+	supportPointerDesktop = !!window.PointerEvent && deviceKind === 'desktop';
+
+	if (supportPointerDesktop) {
+		rootEl.addEventListener('pointerdown', moveStart);
+		// ポインターの場合、ポップアップ系の動作をするとdownだけ発火されてupが発火されないため
+		window.addEventListener('pointerup', moveEnd);
+		rootEl.addEventListener('pointermove', moving, { passive: true });
+	} else {
+		rootEl.addEventListener('touchstart', moveStart);
+		rootEl.addEventListener('touchend', moveEnd);
+		rootEl.addEventListener('touchmove', moving, { passive: true });
+	}
+});
+
+onUnmounted(() => {
+	if (supportPointerDesktop) window.removeEventListener('pointerup', moveEnd);
+});
+
+defineExpose({
+	refreshFinished,
+	setDisabled,
+});
+</script>
+
+<style lang="scss" module>
+.frame {
+	position: relative;
+	overflow: clip;
+
+	width: 100%;
+	min-height: var(--frame-min-height, 0px);
+
+	box-shadow: inset 0px -7px 10px -10px rgba(0,0,0,.1);
+	mask-image: linear-gradient(90deg, #000 0%, #000 80%, transparent);
+	-webkit-mask-image: -webkit-linear-gradient(90deg, #000 0%, #000 80%, transparent);
+
+	pointer-events: none;
+}
+
+.frameContent {
+	position: absolute;
+	bottom: 0;
+	width: 100%;
+	margin: 5px 0;
+	display: flex;
+	flex-direction: column;
+	align-items: center;
+	font-size: 14px;
+
+	> .icon, > .loader {
+		margin: 6px 0;
+	}
+
+	> .icon {
+		transition: transform .25s;
+
+		&.refresh {
+			transform: rotate(180deg);
+		}
+	}
+
+	> .text {
+		margin: 5px 0;
+	}
+}
+
+.slotClip {
+	overflow-y: clip;
+}
+</style>