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MisskeyIO/packages/client/src/scripts/use-tooltip.ts

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import { Ref, ref } from 'vue';
import { isScreenTouching, isTouchUsing } from './touch';
export function useTooltip(onShow: (showing: Ref<boolean>) => void) {
let isHovering = false;
let timeoutId: number;
let changeShowingState: (() => void) | null;
const open = () => {
close();
if (!isHovering) return;
// iOS(Androidも)では、要素をタップした直後に(おせっかいで)mouseoverイベントを発火させたりするため、その対策
// これが無いと、画面に触れてないのにツールチップが出たりしてしまう
if (isTouchUsing && !isScreenTouching) return;
const showing = ref(true);
onShow(showing);
changeShowingState = () => {
showing.value = false;
};
};
const close = () => {
if (changeShowingState != null) {
changeShowingState();
changeShowingState = null;
}
};
const onMouseover = () => {
if (isHovering) return;
isHovering = true;
timeoutId = window.setTimeout(open, 300);
};
const onMouseleave = () => {
if (!isHovering) return;
isHovering = false;
window.clearTimeout(timeoutId);
close();
};
return {
onMouseover,
onMouseleave,
};
}