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content.js
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content.js
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const browserAPI = chrome || browser;
// Listen for messages from the background script
browserAPI.runtime.onMessage.addListener((request, sender, sendResponse) => {
console.log('[SCRAMBLE] Received message:', request);
if (request.action === 'enhanceText') {
enhanceSelectedText(request.promptId, request.selectedText, request.showDiff)
.then(enhancedText => {
if (request.showDiff) {
showDiffModal(request.selectedText, enhancedText);
} else {
replaceSelectedText(enhancedText);
}
sendResponse({ success: true });
})
.catch(error => {
console.error('Error enhancing text:', error);
showErrorNotification(error.message);
sendResponse({ success: false, error: error.message });
});
return true; // Indicates that the response is asynchronous
}
});
// Function to enhance selected text
async function enhanceSelectedText(promptId, selectedText, showDiff) {
console.log('[SCRAMBLE] Selected text:', promptId, selectedText);
try {
const response = await browserAPI.runtime.sendMessage({
action: 'enhanceText',
promptId: promptId,
selectedText: selectedText,
showDiff: showDiff
});
console.log('[SCRAMBLE] Response:', response);
if (response.success) {
return response.enhancedText;
} else {
throw new Error(response.error || 'Unknown error occurred');
}
} catch (error) {
console.error('Error in enhanceSelectedText:', error);
throw error;
}
}
// Function to show diff modal and prompt user
function showDiffModal(originalText, enhancedText) {
// Create modal elements
const modal = document.createElement('div');
modal.id = 'scramble-modal';
modal.style.cssText = `
position: fixed;
top: 10%;
left: 50%;
transform: translate(-50%, 0);
width: 80%;
max-width: 600px;
background-color: #fff;
border: 2px solid #2DD4BF;
border-radius: 8px;
z-index: 10000;
padding: 20px;
box-shadow: 0 5px 15px rgba(0,0,0,0.3);
`;
const title = document.createElement('h2');
title.textContent = 'Review Changes';
modal.appendChild(title);
const diffContainer = document.createElement('div');
diffContainer.style.cssText = 'max-height: 400px; overflow-y: auto; margin-bottom: 20px;';
diffContainer.innerHTML = generateDiffHTML(originalText, enhancedText);
modal.appendChild(diffContainer);
const buttonContainer = document.createElement('div');
buttonContainer.style.textAlign = 'right';
const acceptButton = document.createElement('button');
acceptButton.textContent = 'Accept';
acceptButton.style.cssText = `
background-color: #2DD4BF;
color: white;
padding: 10px 20px;
margin-right: 10px;
border: none;
border-radius: 8px;
cursor: pointer;
`;
acceptButton.onclick = () => {
replaceSelectedText(enhancedText);
closeModal();
};
const cancelButton = document.createElement('button');
cancelButton.textContent = 'Cancel';
cancelButton.style.cssText = `
background-color: #ccc;
color: #333;
padding: 10px 20px;
border: none;
border-radius: 8px;
cursor: pointer;
`;
cancelButton.onclick = closeModal;
buttonContainer.appendChild(acceptButton);
buttonContainer.appendChild(cancelButton);
modal.appendChild(buttonContainer);
document.body.appendChild(modal);
// Add overlay
const overlay = document.createElement('div');
overlay.id = 'scramble-overlay';
overlay.style.cssText = `
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0,0,0,0.5);
z-index: 9999;
`;
document.body.appendChild(overlay);
function closeModal() {
modal.remove();
overlay.remove();
}
}
// Function to generate diff HTML
function generateDiffHTML(originalText, enhancedText) {
if (typeof Diff === 'undefined') {
console.error('jsdiff library is not loaded.');
return '<p>Error: jsdiff library not loaded.</p>';
}
const diff = Diff.createPatch('Content', originalText, enhancedText);
const diffLines = diff.split('\n');
let html = '<pre style="white-space: pre-wrap;">';
diffLines.forEach(line => {
let color = '#333';
if (line.startsWith('+') && !line.startsWith('+++')) color = '#2ecc71'; // Green for additions
else if (line.startsWith('-') && !line.startsWith('---')) color = '#e74c3c'; // Red for deletions
else if (line.startsWith('@')) color = '#3498db'; // Blue for hunk headers
else if (line.startsWith('Index') || line.startsWith('diff') || line.startsWith('---') || line.startsWith('+++')) color = '#999'; // Gray for diff index
html += `<span style="color: ${color};">${line}</span>\n`;
});
html += '</pre>';
return html;
}
// Function to replace the selected text with enhanced text
function replaceSelectedText(enhancedText) {
const selection = window.getSelection();
if (selection.rangeCount > 0) {
const range = selection.getRangeAt(0);
// Handle text inputs and textareas
const activeElement = document.activeElement;
if (activeElement && (activeElement.tagName === 'TEXTAREA' || (activeElement.tagName === 'INPUT' && activeElement.type === 'text'))) {
const start = activeElement.selectionStart;
const end = activeElement.selectionEnd;
const text = activeElement.value;
activeElement.value = text.substring(0, start) + enhancedText + text.substring(end);
} else {
range.deleteContents();
range.insertNode(document.createTextNode(enhancedText));
}
selection.removeAllRanges();
}
}
// Function to show error notification
function showErrorNotification(message) {
const notification = document.createElement('div');
notification.textContent = `Error: ${message}`;
notification.style.cssText = `
position: fixed;
top: 20px;
right: 20px;
background-color: #ff4444;
color: white;
padding: 10px;
border-radius: 5px;
z-index: 9999;
`;
document.body.appendChild(notification);
setTimeout(() => {
notification.remove();
}, 5000);
}