Files
chatroom/resources/js/chat-room/banner.js
T

215 lines
7.5 KiB
JavaScript

// 聊天室居中大卡片通知组件,提供 window.chatBanner.show/close 兼容入口。
const DEFAULT_BANNER_ID = "chat-banner-default";
const BANNER_KEYFRAMES_ID = "appoint-keyframes";
/**
* 将任意文本转为 HTML 安全文本。
*
* @param {unknown} text
* @returns {string}
*/
function escapeBannerText(text) {
return String(text ?? "")
.replace(/&/g, "&")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#039;");
}
/**
* 将多行纯文本转为带换行的安全 HTML。
*
* @param {unknown} text
* @returns {string}
*/
function renderMultilineText(text) {
return escapeBannerText(text).replace(/\n/g, "<br>");
}
/**
* 注入 Banner 入场与退场动画,避免重复创建 style 节点。
*
* @returns {void}
*/
function ensureBannerKeyframes() {
if (document.getElementById(BANNER_KEYFRAMES_ID)) {
return;
}
const style = document.createElement("style");
style.id = BANNER_KEYFRAMES_ID;
style.textContent = `
@keyframes appoint-pop {
0% { opacity: 0; transform: translate(-50%,-50%) scale(0.5); }
70% { transform: translate(-50%,-50%) scale(1.05); }
100% { opacity: 1; transform: translate(-50%,-50%) scale(1); }
}
@keyframes appoint-fade-out {
from { opacity: 1; }
to { opacity: 0; transform: translate(-50%,-50%) scale(0.9); }
}
`;
document.head.appendChild(style);
}
/**
* 播放大卡片退场动画,并在动画后移除节点。
*
* @param {HTMLElement} banner
* @returns {void}
*/
function closeBannerElement(banner) {
banner.style.animation = "appoint-fade-out 0.5s ease forwards";
window.setTimeout(() => banner.remove(), 500);
}
/**
* 生成大卡片按钮 HTML。
*
* @param {Array<object>} buttons
* @returns {string}
*/
function renderButtons(buttons) {
if (buttons.length === 0) {
return "";
}
const buttonItems = buttons.map((button, index) => `
<button data-banner-btn="${index}"
style="background:${button.color || "#10b981"}; color:#fff; border:none; border-radius:8px;
padding:8px 20px; font-size:13px; font-weight:bold; cursor:pointer;
box-shadow:0 4px 12px rgba(0,0,0,0.25);">
${escapeBannerText(button.label || "确定")}
</button>
`).join("");
return `<div style="margin-top:18px; display:flex; gap:10px; justify-content:center;">${buttonItems}</div>`;
}
/**
* 创建全局大卡片通知 API。
*
* @returns {{show: Function, close: Function}}
*/
function createChatBanner() {
return {
/**
* 显示居中大卡片通知。
*
* @param {object} options
* @param {string} [options.id] 同 ID 会替换旧弹窗
* @param {string} [options.icon] Emoji 图标
* @param {string} [options.title] 小标题
* @param {string} [options.name] 大名字行
* @param {string} [options.body] 主内容纯文本
* @param {string} [options.sub] 副内容纯文本
* @param {string[]} [options.gradient] 渐变颜色
* @param {string} [options.titleColor] 小标题颜色
* @param {number} [options.autoClose] 自动关闭毫秒,0 表示不自动关闭
* @param {Array<{label: string, color?: string, onClick?: Function}>} [options.buttons] 操作按钮
* @returns {void}
*/
show(options = {}) {
ensureBannerKeyframes();
window.chatSound?.ding?.();
const id = options.id || DEFAULT_BANNER_ID;
const gradient = (options.gradient || ["#4f46e5", "#7c3aed", "#db2777"]).join(", ");
const titleColor = options.titleColor || "#fde68a";
const autoClose = options.autoClose ?? 5000;
const buttons = Array.isArray(options.buttons) ? options.buttons : [];
const hasButtons = buttons.length > 0;
// 同 ID 弹窗只保留最新一条,避免任命、红包等通知堆叠遮挡。
document.getElementById(id)?.remove();
const banner = document.createElement("div");
banner.id = id;
banner.style.cssText = `
position: fixed; top: 50%; left: 50%; transform: translate(-50%,-50%);
z-index: 99999; text-align: center;
animation: appoint-pop 0.5s cubic-bezier(0.175,0.885,0.32,1.275);
${hasButtons ? "pointer-events: auto;" : "pointer-events: none;"}
`;
banner.innerHTML = `
<div style="background: linear-gradient(135deg, ${gradient});
border-radius: 20px; padding: 28px 44px;
box-shadow: 0 20px 60px rgba(0,0,0,0.4);
border: 2px solid rgba(255,255,255,0.25); backdrop-filter: blur(8px);
min-width: 260px;">
${options.icon ? `<div style="font-size:40px; margin-bottom:8px;">${escapeBannerText(options.icon)}</div>` : ""}
${options.title ? `<div style="color:${titleColor}; font-size:13px; font-weight:bold; letter-spacing:3px; margin-bottom:12px;">
══ ${escapeBannerText(options.title)} ══
</div>` : ""}
${options.name ? `<div style="color:white; font-size:22px; font-weight:900; text-shadow:0 2px 8px rgba(0,0,0,0.3);">
${escapeBannerText(options.name)}
</div>` : ""}
${options.body ? `<div style="color:rgba(255,255,255,0.9); font-size:14px; margin-top:10px;">${renderMultilineText(options.body)}</div>` : ""}
${options.sub ? `<div style="color:rgba(255,255,255,0.6); font-size:12px; margin-top:6px;">${renderMultilineText(options.sub)}</div>` : ""}
${renderButtons(buttons)}
<div style="color:rgba(255,255,255,0.35); font-size:11px; margin-top:14px;">
${new Date().toLocaleTimeString("zh-CN")}
</div>
</div>
`;
document.body.appendChild(banner);
buttons.forEach((button, index) => {
const element = banner.querySelector(`[data-banner-btn="${index}"]`);
if (!element) {
return;
}
element.addEventListener("click", () => {
if (typeof button.onClick === "function") {
button.onClick(element, () => closeBannerElement(banner));
return;
}
closeBannerElement(banner);
});
});
if (autoClose > 0) {
window.setTimeout(() => {
if (document.getElementById(id)) {
closeBannerElement(banner);
}
}, autoClose);
}
},
/**
* 关闭指定 ID 的大卡片通知。
*
* @param {string} [id]
* @returns {void}
*/
close(id) {
const banner = document.getElementById(id || DEFAULT_BANNER_ID);
if (!banner) {
return;
}
closeBannerElement(banner);
},
};
}
/**
* 绑定全局大卡片通知 API。
*
* @returns {void}
*/
export function bindChatBanner() {
if (typeof document === "undefined" || window.chatBanner) {
return;
}
window.chatBanner = createChatBanner();
}