Gemini Canvas shared page layout optimization, including removal of the Gemini logo in the header, Google avatar, Google "content may be unsafe" warning at the bottom, etc.
// ==UserScript==
// @name Gemini Canvas Shared Page Optimization
// @description Gemini Canvas shared page layout optimization, including removal of the Gemini logo in the header, Google avatar, Google "content may be unsafe" warning at the bottom, etc.
// @name:zh-CN Gemini Canvas 共享页面布局优化
// @description:zh-CN Gemini Canvas 共享页面布局优化，包括删除头部gemini logo、google头像、底部google 不安全内容提示等。
// @version 1.3
// @author Stuart.Z
// @match https://gemini.google.com/share/*
// @grant none
// @run-at document-end
// @license GPL-3.0 License
// @namespace https://greasyfork.org/users/324739
// ==/UserScript==
(function() {
'use strict';
// 检查是否为共享页面（不包含 side-nav-menu-button 的页面）
const isSharedPage = () => {
const sideNavButton = document.querySelector('side-nav-menu-button');
return !sideNavButton;
};
const optimizeWidth = () => {
// 如果不是共享页面，跳过
if (!isSharedPage()) return;
// 需要修改宽度的元素选择器
const selectors = [
'mat-sidenav-content',
'.main-content',
'.input-area-container',
'.bottom-bar-container',
'.conversation-container'
];
selectors.forEach(selector => {
const elements = document.querySelectorAll(selector);
elements.forEach(el => {
// 强制设置为 98%
el.style.setProperty('width', '98%', 'important');
el.setAttribute('data-width-optimized', 'true');
});
});
};
const removeElements = () => {
// 如果不是共享页面，跳过
if (!isSharedPage()) return;
// 需要删除的元素选择器列表
const removeSelectors = [
'.footer.footer-desktop.ng-star-inserted', // 1. 删除 footer
'.right-section', // 2. 删除 right-section
'.gb_Cd[style*="display:block"]', // 3. 删除 gb_Cd (带特定样式)
'.side-nav-menu-button.with-pill-ui', // 4. 删除 side-nav-menu-button
'.desktop-ogb-buffer' // 5. 删除 desktop-ogb-buffer
];
removeSelectors.forEach(selector => {
const elements = document.querySelectorAll(selector);
elements.forEach(el => {
if (el && el.parentNode) {
el.parentNode.removeChild(el);
}
});
});
};
const runAllOptimizations = () => {
optimizeWidth();
removeElements();
};
// 防抖函数
function debounce(fn, delay) {
let timer;
return function() {
clearTimeout(timer);
timer = setTimeout(() => fn.apply(this, arguments), delay);
};
}
const debouncedOptimize = debounce(runAllOptimizations, 100);
// 使用 MutationObserver 监听 DOM 变化
const observer = new MutationObserver((mutations) => {
const shouldOptimize = mutations.some(mutation => {
return mutation.type === 'childList' ||
(mutation.type === 'attributes' && mutation.attributeName === 'style');
});
if (shouldOptimize) {
debouncedOptimize();
}
});
observer.observe(document.body, {
childList: true,
subtree: true,
attributes: true,
attributeFilter: ['style', 'class']
});
// 初始执行
runAllOptimizations();
// 监听路由变化（SPA 页面）
const _pushState = history.pushState;
history.pushState = function() {
_pushState.apply(this, arguments);
setTimeout(runAllOptimizations, 100);
};
const _replaceState = history.replaceState;
history.replaceState = function() {
_replaceState.apply(this, arguments);
setTimeout(runAllOptimizations, 100);
};
// 监听 popstate 事件（浏览器前进后退）
window.addEventListener('popstate', () => {
setTimeout(runAllOptimizations, 100);
});
})();