From 1b07176cefc52f9df98372beb4ed071f0d584598 Mon Sep 17 00:00:00 2001
From: pliny <133052465+elder-plinius@users.noreply.github.com>
Date: Sat, 12 Aug 2023 17:16:44 -0700
Subject: [PATCH] Create content.js

---
 content.js | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 content.js

diff --git a/content.js b/content.js
new file mode 100644
index 0000000..be6372a
--- /dev/null
+++ b/content.js
@@ -0,0 +1,53 @@
+let audioContext;
+let oscillatorLeft;
+let oscillatorRight;
+let gainNode;
+let isPlaying = false;
+
+function startBinauralBeats(frequency, delta, volume) {
+    if (audioContext) {
+        audioContext.close();
+    }
+
+    audioContext = new AudioContext();
+
+    oscillatorLeft = audioContext.createOscillator();
+    oscillatorRight = audioContext.createOscillator();
+    gainNode = audioContext.createGain();
+
+    oscillatorLeft.frequency.setValueAtTime(frequency, audioContext.currentTime);
+    oscillatorRight.frequency.setValueAtTime(frequency + delta, audioContext.currentTime);
+
+    gainNode.gain.setValueAtTime(volume, audioContext.currentTime);
+
+    oscillatorLeft.connect(gainNode);
+    oscillatorRight.connect(gainNode);
+    gainNode.connect(audioContext.destination);
+
+    oscillatorLeft.start();
+    oscillatorRight.start();
+
+    isPlaying = true;
+}
+
+function stopBinauralBeats() {
+    if (oscillatorLeft) {
+        oscillatorLeft.stop();
+    }
+    if (oscillatorRight) {
+        oscillatorRight.stop();
+    }
+    isPlaying = false;
+}
+
+chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
+    if (message.action === 'togglePlayPause') {
+        if (isPlaying) {
+            stopBinauralBeats();
+            sendResponse({ status: 'paused' });
+        } else {
+            startBinauralBeats(message.frequency, message.delta, message.volume);
+            sendResponse({ status: 'playing' });
+        }
+    }
+});