From 9384f5399da39e53855beb8e7f8ded1aa56bf72e Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Tue, 27 Dec 2022 14:36:33 +0900
Subject: rename: client -> frontend

---
 packages/frontend/src/directives/user-preview.ts | 118 +++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 packages/frontend/src/directives/user-preview.ts

(limited to 'packages/frontend/src/directives/user-preview.ts')

diff --git a/packages/frontend/src/directives/user-preview.ts b/packages/frontend/src/directives/user-preview.ts
new file mode 100644
index 0000000000..ed5f00ca65
--- /dev/null
+++ b/packages/frontend/src/directives/user-preview.ts
@@ -0,0 +1,118 @@
+import { defineAsyncComponent, Directive, ref } from 'vue';
+import autobind from 'autobind-decorator';
+import { popup } from '@/os';
+
+export class UserPreview {
+	private el;
+	private user;
+	private showTimer;
+	private hideTimer;
+	private checkTimer;
+	private promise;
+
+	constructor(el, user) {
+		this.el = el;
+		this.user = user;
+
+		this.attach();
+	}
+
+	@autobind
+	private show() {
+		if (!document.body.contains(this.el)) return;
+		if (this.promise) return;
+
+		const showing = ref(true);
+
+		popup(defineAsyncComponent(() => import('@/components/MkUserPreview.vue')), {
+			showing,
+			q: this.user,
+			source: this.el,
+		}, {
+			mouseover: () => {
+				window.clearTimeout(this.hideTimer);
+			},
+			mouseleave: () => {
+				window.clearTimeout(this.showTimer);
+				this.hideTimer = window.setTimeout(this.close, 500);
+			},
+		}, 'closed');
+
+		this.promise = {
+			cancel: () => {
+				showing.value = false;
+			},
+		};
+
+		this.checkTimer = window.setInterval(() => {
+			if (!document.body.contains(this.el)) {
+				window.clearTimeout(this.showTimer);
+				window.clearTimeout(this.hideTimer);
+				this.close();
+			}
+		}, 1000);
+	}
+
+	@autobind
+	private close() {
+		if (this.promise) {
+			window.clearInterval(this.checkTimer);
+			this.promise.cancel();
+			this.promise = null;
+		}
+	}
+
+	@autobind
+	private onMouseover() {
+		window.clearTimeout(this.showTimer);
+		window.clearTimeout(this.hideTimer);
+		this.showTimer = window.setTimeout(this.show, 500);
+	}
+
+	@autobind
+	private onMouseleave() {
+		window.clearTimeout(this.showTimer);
+		window.clearTimeout(this.hideTimer);
+		this.hideTimer = window.setTimeout(this.close, 500);
+	}
+
+	@autobind
+	private onClick() {
+		window.clearTimeout(this.showTimer);
+		this.close();
+	}
+
+	@autobind
+	public attach() {
+		this.el.addEventListener('mouseover', this.onMouseover);
+		this.el.addEventListener('mouseleave', this.onMouseleave);
+		this.el.addEventListener('click', this.onClick);
+	}
+
+	@autobind
+	public detach() {
+		this.el.removeEventListener('mouseover', this.onMouseover);
+		this.el.removeEventListener('mouseleave', this.onMouseleave);
+		this.el.removeEventListener('click', this.onClick);
+		window.clearInterval(this.checkTimer);
+	}
+}
+
+export default {
+	mounted(el: HTMLElement, binding, vn) {
+		if (binding.value == null) 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
+		const self = (el as any)._userPreviewDirective_ = {} as any;
+
+		self.preview = new UserPreview(el, binding.value);
+	},
+
+	unmounted(el, binding, vn) {
+		if (binding.value == null) return;
+
+		const self = el._userPreviewDirective_;
+		self.preview.detach();
+	},
+} as Directive;
-- 
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