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Update popup UI #65

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Merged
zubyj merged 10 commits into main from update-popup-ui
Apr 6, 2025
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4 changes: 3 additions & 1 deletion manifest.json
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,9 @@
"resources": [
"src/assets/images/copy-icon.png",
"src/assets/images/check-icon.png",
"src/assets/images/languages/*"
"src/assets/images/languages/*",
"src/popup/theme-handler.js",
"src/popup/transition-handler.js"
],
"matches": [
"<all_urls>"
Expand Down
103 changes: 96 additions & 7 deletions src/content-script/themeDetector.js
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,44 +2,132 @@
chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
if (request.action === 'detectTheme') {
const theme = detectPageTheme();
console.log(`Detecting theme: ${theme}`);
sendResponse({ theme });
}
if (request.action === 'getTheme') {
const theme = detectPageTheme();
console.log(`Getting theme: ${theme}`);
sendResponse({ theme });
}
return true; // Keep the message channel open for asynchronous response
});

// Function to detect the theme of the current LeetCode page
function detectPageTheme() {
// Method 1: Check HTML tag class for 'dark' or 'light'
console.log('Starting theme detection on leetcode page...');

// Force a quick check to see if this is a LeetCode page
const url = window.location.href;
const isLeetCodePage = url.includes('leetcode.com');
console.log('Is LeetCode page:', isLeetCodePage, url);

// Method 1: Check for LeetCode's light theme indicator (most reliable)
// In light mode LeetCode specifically has a white background for these elements
const mainContent = document.querySelector('.content__1YWu') ||
document.querySelector('.problem-description') ||
document.querySelector('.content-wrapper');

if (mainContent) {
const bgColor = window.getComputedStyle(mainContent).backgroundColor;
console.log('Main content background color:', bgColor);

// LeetCode light mode has white or very light background
if (bgColor.includes('255, 255, 255') || bgColor.includes('rgb(255, 255, 255)')) {
console.log('Theme detected from content: LIGHT (white background)');
return 'light';
}
}

// Method 2: Check for LeetCode-specific selectors
const darkModeSwitcher = document.querySelector('[data-cy="navbar-dark-mode-switcher"]');
if (darkModeSwitcher) {
// If the dark mode switcher has a sun icon, it means we're in light mode
const sunIcon = darkModeSwitcher.querySelector('svg[data-icon="sun"]');
if (sunIcon) {
console.log('Theme detected from dark mode switcher: LIGHT (sun icon visible)');
return 'light';
}
// If the dark mode switcher has a moon icon, it means we're in dark mode
const moonIcon = darkModeSwitcher.querySelector('svg[data-icon="moon"]');
if (moonIcon) {
console.log('Theme detected from dark mode switcher: dark (moon icon visible)');
return 'dark';
}
}

// Method 3: Check HTML tag class for 'dark' or 'light'
const htmlElement = document.documentElement;
if (htmlElement.classList.contains('dark')) {
console.log('Theme detected from HTML class: dark');
return 'dark';
} else if (htmlElement.classList.contains('light')) {
console.log('Theme detected from HTML class: LIGHT');
return 'light';
}

// Method 2: Check data-theme attribute
// Method 4: Check data-theme attribute
const dataTheme = htmlElement.getAttribute('data-theme');
if (dataTheme === 'dark') {
console.log('Theme detected from data-theme: dark');
return 'dark';
} else if (dataTheme === 'light') {
console.log('Theme detected from data-theme: LIGHT');
return 'light';
}

// Method 3: Check background color to determine if dark or light
// Method 5: Check header/navbar background color (very reliable for LeetCode)
const header = document.querySelector('header') || document.querySelector('nav');
if (header) {
const headerBgColor = window.getComputedStyle(header).backgroundColor;
console.log('Header background color:', headerBgColor);

// LeetCode light mode header is usually white or very light
if (headerBgColor.includes('255, 255, 255') ||
headerBgColor.includes('rgb(255, 255, 255)') ||
!isColorDark(headerBgColor)) {
console.log('Theme detected from header: LIGHT');
return 'light';
} else {
console.log('Theme detected from header: dark');
return 'dark';
}
}

// Method 6: Check the code editor background (LeetCode specific)
const codeEditor = document.querySelector('.monaco-editor');
if (codeEditor) {
const editorBgColor = window.getComputedStyle(codeEditor).backgroundColor;
console.log('Code editor background color:', editorBgColor);
if (isColorDark(editorBgColor)) {
console.log('Theme detected from code editor: dark');
return 'dark';
} else {
console.log('Theme detected from code editor: LIGHT');
return 'light';
}
}

// Method 7: Check background color to determine if dark or light
const backgroundColor = window.getComputedStyle(document.body).backgroundColor;
console.log('Body background color:', backgroundColor);
if (isColorDark(backgroundColor)) {
console.log('Theme detected from body bg: dark');
return 'dark';
} else {
console.log('Theme detected from body bg: LIGHT');
return 'light';
}

// Default to dark if we can't determine
return 'dark';
}

// Helper function to determine if a color is dark based on luminance
function isColorDark(color) {
// Extract RGB values
const rgb = color.match(/\d+/g);
if (!rgb || rgb.length < 3) return true; // Default to dark if can't extract
if (!rgb || rgb.length < 3) {
console.log('Could not extract RGB values from color:', color);
return true; // Default to dark if can't extract
}

// Calculate relative luminance
const r = parseInt(rgb[0]) / 255;
Expand All @@ -48,6 +136,7 @@ function isColorDark(color) {

// Weighted luminance formula (human eye is more sensitive to green)
const luminance = 0.2126 * r + 0.7152 * g + 0.0722 * b;
console.log(`Color luminance: ${luminance} (< 0.5 is dark)`);

// Return true for dark colors (lower luminance)
return luminance < 0.5;
Expand Down
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