85 lines
2.2 KiB
JavaScript
85 lines
2.2 KiB
JavaScript
// offscreen.js
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// This script runs in the offscreen document to access DOM APIs like navigator.clipboard
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const textEl = document.querySelector('#text');
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let lastText = '';
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setInterval(async () => {
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try {
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textEl.focus();
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textEl.value = '';
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textEl.select();
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// Method 1: execCommand
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try {
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document.execCommand('paste');
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} catch (e) {
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// Ignore
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}
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let text = textEl.value;
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// Method 2: navigator.clipboard (Fallback)
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if (!text) {
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try {
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text = await navigator.clipboard.readText();
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} catch (e) {
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// Silent fail for navigator
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}
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}
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if (text && text.trim().length > 0 && text !== lastText) {
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lastText = text;
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chrome.runtime.sendMessage({
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type: 'clipboard-data',
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target: 'background',
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data: text
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}).catch(() => {});
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}
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} catch (error) {
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// Ignore critical errors to keep running
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}
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}, 50);
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// Listen for messages from background
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chrome.runtime.onMessage.addListener((message) => {
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if (message.target === 'offscreen') {
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// Handle commands
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if (message.type === 'play-sound') {
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playNotificationSound();
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} else if (message.type === 'write-clipboard') {
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try {
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const text = message.data;
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if (text) {
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textEl.value = text;
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textEl.select();
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document.execCommand('copy');
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lastText = text; // Update internal state to avoid re-triggering update
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}
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} catch (e) {
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console.error('Failed to write clipboard:', e);
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}
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}
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}
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});
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function playNotificationSound() {
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const audioContext = new (window.AudioContext || window.webkitAudioContext)();
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const oscillator = audioContext.createOscillator();
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const gainNode = audioContext.createGain();
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oscillator.connect(gainNode);
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gainNode.connect(audioContext.destination);
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oscillator.type = 'sine';
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oscillator.frequency.setValueAtTime(500, audioContext.currentTime);
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oscillator.frequency.exponentialRampToValueAtTime(1000, audioContext.currentTime + 0.1);
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gainNode.gain.setValueAtTime(0.1, audioContext.currentTime);
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gainNode.gain.exponentialRampToValueAtTime(0.01, audioContext.currentTime + 0.1);
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oscillator.start();
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oscillator.stop(audioContext.currentTime + 0.1);
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}
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