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tamaina 2023-07-18 07:15:20 +00:00
parent b0c6675ef3
commit f3a0839552
1 changed files with 29 additions and 20 deletions
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35
packages/frontend/src/components/MkPagination.vue
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@ -41,7 +41,7 @@
import { computed, ComputedRef, isRef, nextTick, onActivated, onBeforeUnmount, onDeactivated, onMounted, ref, watch } from 'vue';
import * as misskey from 'misskey-js';
import * as os from '@/os';
import { isBottomVisible, isTopVisible, getScrollContainer, scrollToBottom, scrollToTop } from '@/scripts/scroll';
import { isBottomVisible, isTopVisible, getScrollContainer, scrollToBottom, scrollToTop, scrollBy } from '@/scripts/scroll';
import { useDocumentVisibility } from '@/scripts/use-document-visibility';
import MkButton from '@/components/MkButton.vue';
import { defaultStore } from '@/store';
@ -159,9 +159,11 @@ const scrollableElementOrHtml = $computed(() => scrollableElement ?? document.ge
const visibility = useDocumentVisibility();
const isPausingUpdate = ref(false);
const isPausingUpdateByVisibility = ref(false);
const timerForSetPause = ref<number | null>(null);
const isPausingUpdateByExecutingQueue = ref(false);
//#region scrolling
const checkFn = props.pagination.reversed ? isBottomVisible : isTopVisible;
const checkTop = (tolerance?: number) => {
@ -426,7 +428,7 @@ const appearFetchMoreAhead = async (): Promise<void> => {
function visibilityChange() {
if (visibility.value === 'hidden') {
timerForSetPause.value = window.setTimeout(() => {
isPausingUpdate.value = true;
isPausingUpdateByVisibility.value = true;
timerForSetPause.value = null;
},
BACKGROUND_PAUSE_WAIT_SEC * 1000);
@ -435,7 +437,7 @@ function visibilityChange() {
clearTimeout(timerForSetPause.value);
timerForSetPause.value = null;
} else {
isPausingUpdate.value = false;
isPausingUpdateByVisibility.value = false;
if (!backed && active.value) {
executeQueue();
}
@ -469,14 +471,24 @@ const prepend = (item: MisskeyEntity): void => {
}
if (
!isPausingUpdate.value && // タブがバックグラウンドの時/スクロール調整中はキューに追加する
!isPausingUpdateByExecutingQueue.value && // スクロール調整中はキューに追加する
queueSize.value === 0 && // キューに残っている場合はキューに追加する
active.value // keepAliveで隠されている間はキューに追加する
) {
if (!backed) {
// 先頭にいる場合は単に追加する
// かなりスクロールの先頭にいる場合
if (items.value.has(item.id)) return; // 既にタイムラインにある場合は何もしない
if (isPausingUpdateByVisibility.value) {
// バックグラウンドかつスクロールの先頭にいる場合は
// prependQueueしつつちょっと特殊な処理を挟む…
prependQueue(item);
// スクロールを進めておくことで復帰時にスクロールを進めないでよくなる
scrollBy(scrollableElement, { top: 24, behavior: 'instant' });
// 一応backedを強制的にtrueにする
backed = true;
} else {
unshiftItems([item]);
}
} else if (!weakBacked) {
// ちょっと先頭にいる場合はスクロールを調整する
prependQueue(item);
@ -515,21 +527,18 @@ function concatItems(oldItems: MisskeyEntity[]) {
async function executeQueue() {
if (queue.value.size === 0) return;
if (isPausingUpdate.value) return;
if (isPausingUpdateByExecutingQueue.value) return;
const queueArr = Array.from(queue.value.entries());
queue.value = new Map(queueArr.slice(props.pagination.limit));
isPausingUpdate.value = true;
try {
isPausingUpdateByExecutingQueue.value = true;
unshiftItems(
queueArr.slice(0, props.pagination.limit).map(v => v[1]).reverse(),
Infinity,
);
await nextTick();
items.value = new Map([...items.value].slice(0, displayLimit.value));
await nextTick();
} finally {
isPausingUpdate.value = false;
}
isPausingUpdateByExecutingQueue.value = false;
}
function prependQueue(newItem: MisskeyEntity) {