docs: improve dark mode example fiddle (#36596)
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6 changed files with 18 additions and 14 deletions
19
docs/fiddles/features/dark-mode/index.html
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19
docs/fiddles/features/dark-mode/index.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Hello World!</title>
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<meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" />
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<link rel="stylesheet" type="text/css" href="./styles.css">
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</head>
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<body>
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<h1>Hello World!</h1>
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<p>Current theme source: <strong id="theme-source">System</strong></p>
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<button id="toggle-dark-mode">Toggle Dark Mode</button>
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<button id="reset-to-system">Reset to System Theme</button>
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<script src="renderer.js"></script>
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</body>
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</body>
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</html>
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43
docs/fiddles/features/dark-mode/main.js
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docs/fiddles/features/dark-mode/main.js
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const { app, BrowserWindow, ipcMain, nativeTheme } = require('electron')
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const path = require('path')
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function createWindow () {
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const win = new BrowserWindow({
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width: 800,
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height: 600,
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webPreferences: {
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preload: path.join(__dirname, 'preload.js')
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}
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})
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win.loadFile('index.html')
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}
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ipcMain.handle('dark-mode:toggle', () => {
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if (nativeTheme.shouldUseDarkColors) {
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nativeTheme.themeSource = 'light'
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} else {
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nativeTheme.themeSource = 'dark'
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}
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return nativeTheme.shouldUseDarkColors
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})
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ipcMain.handle('dark-mode:system', () => {
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nativeTheme.themeSource = 'system'
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})
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app.whenReady().then(() => {
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createWindow()
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app.on('activate', () => {
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if (BrowserWindow.getAllWindows().length === 0) {
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createWindow()
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}
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})
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})
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app.on('window-all-closed', () => {
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if (process.platform !== 'darwin') {
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app.quit()
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}
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})
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6
docs/fiddles/features/dark-mode/preload.js
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docs/fiddles/features/dark-mode/preload.js
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const { contextBridge, ipcRenderer } = require('electron')
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contextBridge.exposeInMainWorld('darkMode', {
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toggle: () => ipcRenderer.invoke('dark-mode:toggle'),
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system: () => ipcRenderer.invoke('dark-mode:system')
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})
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9
docs/fiddles/features/dark-mode/renderer.js
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docs/fiddles/features/dark-mode/renderer.js
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document.getElementById('toggle-dark-mode').addEventListener('click', async () => {
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const isDarkMode = await window.darkMode.toggle()
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document.getElementById('theme-source').innerHTML = isDarkMode ? 'Dark' : 'Light'
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})
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document.getElementById('reset-to-system').addEventListener('click', async () => {
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await window.darkMode.system()
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document.getElementById('theme-source').innerHTML = 'System'
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})
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11
docs/fiddles/features/dark-mode/styles.css
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docs/fiddles/features/dark-mode/styles.css
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:root {
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color-scheme: light dark;
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}
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@media (prefers-color-scheme: dark) {
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body { background: #333; color: white; }
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}
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@media (prefers-color-scheme: light) {
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body { background: #ddd; color: black; }
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}
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