misskey/packages/frontend/src/directives/user-preview.ts

135 lines
3.7 KiB
TypeScript

/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { defineAsyncComponent, ref } from 'vue';
import type { Directive } from 'vue';
import * as Misskey from 'misskey-js';
import { popup } from '@/os.js';
import { isTouchUsing } from '@/utility/touch.js';
export class UserPreview {
private el: HTMLElement;
private user: string | Misskey.entities.UserDetailed;
private showTimer: number | null = null;
private hideTimer: number | null = null;
private checkTimer: number | null = null;
private promise: null | { cancel: () => void } = null;
constructor(el: HTMLElement, user: string | Misskey.entities.UserDetailed) {
this.el = el;
this.user = user;
this.show = this.show.bind(this);
this.close = this.close.bind(this);
this.onMouseover = this.onMouseover.bind(this);
this.onMouseleave = this.onMouseleave.bind(this);
this.onClick = this.onClick.bind(this);
this.attach = this.attach.bind(this);
this.detach = this.detach.bind(this);
this.attach();
}
private show() {
if (!window.document.body.contains(this.el)) return;
if (this.promise) return;
const showing = ref(true);
const { dispose } = popup(defineAsyncComponent(() => import('@/components/MkUserPopup.vue')), {
showing,
q: this.user,
source: this.el,
}, {
mouseover: () => {
if (this.hideTimer) window.clearTimeout(this.hideTimer);
},
mouseleave: () => {
if (this.showTimer) window.clearTimeout(this.showTimer);
this.hideTimer = window.setTimeout(this.close, 500);
},
closed: () => dispose(),
});
this.promise = {
cancel: () => {
showing.value = false;
},
};
this.checkTimer = window.setInterval(() => {
if (!window.document.body.contains(this.el)) {
if (this.showTimer) window.clearTimeout(this.showTimer);
if (this.hideTimer) window.clearTimeout(this.hideTimer);
this.close();
}
}, 1000);
}
private close() {
if (this.promise) {
if (this.checkTimer) window.clearInterval(this.checkTimer);
this.promise.cancel();
this.promise = null;
}
}
private onMouseover() {
if (this.showTimer) window.clearTimeout(this.showTimer);
if (this.hideTimer) window.clearTimeout(this.hideTimer);
this.showTimer = window.setTimeout(this.show, 500);
}
private onMouseleave() {
if (this.showTimer) window.clearTimeout(this.showTimer);
if (this.hideTimer) window.clearTimeout(this.hideTimer);
this.hideTimer = window.setTimeout(this.close, 500);
}
private onClick() {
if (this.showTimer) window.clearTimeout(this.showTimer);
this.close();
}
public attach() {
this.el.addEventListener('mouseover', this.onMouseover);
this.el.addEventListener('mouseleave', this.onMouseleave);
this.el.addEventListener('click', this.onClick);
}
public detach() {
this.el.removeEventListener('mouseover', this.onMouseover);
this.el.removeEventListener('mouseleave', this.onMouseleave);
this.el.removeEventListener('click', this.onClick);
}
}
interface UserPreviewDirectiveElement extends HTMLElement {
_userPreviewDirective_?: {
preview: UserPreview;
};
}
export const userPreviewDirective = {
mounted(el, binding) {
if (binding.value == null) return;
if (isTouchUsing) return;
// TODO: 新たにプロパティを作るのをやめMapを使う
// ただメモリ的には↓の方が省メモリかもしれないので検討中
el._userPreviewDirective_ = {
preview: new UserPreview(el, binding.value),
};
},
unmounted(el, binding) {
if (binding.value == null) return;
const self = el._userPreviewDirective_;
if (self == null) return;
self.preview.detach();
},
} as Directive<UserPreviewDirectiveElement, string | Misskey.entities.UserDetailed | null | undefined>;