Add content script support on firefox

1 files changed, 47 insertions, 0 deletions

diff --git a/extension/content_script.js b/extension/content_script.js
new file mode 100644
index 0000000..4a6c7e6
--- /dev/null
+++ b/extension/content_script.js
@@ -0,0 +1,47 @@
+(() => {
+
+  const internals = {
+    port: null,
+
+    onMessage(message) {
+      internals[message.action](message.data);
+    },
+
+    async joinAudioCall(data) {
+
+      try {
+        const mediaStream = await navigator.mediaDevices.getUserMedia({ audio: true });
+        internals.createAudioElement(data.tada);
+      }
+      catch (err) {
+
+        internals.port.postMessage({
+          action: 'error'
+        });
+        internals.port.disconnect();
+        internals.createAudioElement(data.tada);
+      }
+    },
+
+    hangUp() {
+      document.querySelectorAll('.junction-call-audio').forEach((audioElement) => audioElement.remove());
+      internals.port.disconnect();
+    },
+
+    createAudioElement(source, type = 'audio/wav') {
+
+      const audioElement = document.createElement('audio');
+      audioElement.setAttribute('class', 'junction-call-audio');
+      audioElement.src = source;
+      audioElement.autoplay = 'autoplay';
+      audioElement.type = type;
+      document.querySelector('body').appendChild(audioElement);
+    }
+  };
+
+  internals.port = chrome.runtime.connect({ name:"content" });
+  internals.port.onMessage.addListener(internals.onMessage);
+})();
+
+// Indicates to the background script that we executed correctly
+true;