From: Ruben Beltran del Rio <redacted>
Date: Sun, 27 Sep 2020 18:04:20 +0000 (+0200)
Subject: Add content script support on firefox
X-Git-Url: https://git.r.bdr.sh/rbdr/junction/commitdiff_plain/4757c4616d5d7106cd023f06e5e5ba04d01bbb07?ds=sidebyside

Add content script support on firefox
---

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;
diff --git a/extension/junction.js b/extension/junction.js
index e78a02b..16bc9f3 100644
--- a/extension/junction.js
+++ b/extension/junction.js
@@ -1,7 +1,7 @@
 const internals = {
 
   promisesSupported: !!(window.browser),
-  isInCallState: false,
+  port: null,
 
   icons: {
     call: {
@@ -23,34 +23,59 @@ const internals = {
     return internals.joinAudioCall();
   },
 
-  async joinAudioCall() {
+  onConnect(port) {
 
-    internals.isInCallState = true;
+    internals.port = port;
+    port.onDisconnect.addListener(internals.onDisconnect);
+    port.onMessage.addListener(internals.onMessage);
+    port.postMessage({
+      action: 'joinAudioCall',
+      data: {
+        tada: internals.getRoot().runtime.getURL('sounds/tada.wav')
+      }
+    });
+    internals.getRoot().browserAction.enable();
     internals.setIcon('hangUp');
-    const activeTabs = await internals.getActiveTabs();
-
-    console.log(activeTabs[0].url); // placeholder while we connect backend.
-    internals.createAudioElement(internals.getRoot().runtime.getURL('sounds/tada.wav'));
   },
 
-  hangUp() {
+  onMessage(message) {
 
-    document.querySelectorAll('audio').forEach((audioElement) => audioElement.remove());
+    if (message.action === 'error') {
+      internals.getRoot().browserAction.setBadgeText({ text: 'x' }, () => {});
+    }
+  },
+
+  onDisconnect() {
+    internals.getRoot().browserAction.setBadgeText({ text: '' }, () => {});
     internals.setIcon('call');
-    internals.isInCallState = false;
+    internals.port = null;
+    internals.getRoot().browserAction.enable();
   },
 
-  createAudioElement(source, type = 'audio/wav') {
+  async joinAudioCall() {
 
-    const audioElement = document.createElement('audio');
-    audioElement.src = source;
-    audioElement.autoplay = 'autoplay';
-    audioElement.type = type;
-    document.querySelector('body').appendChild(audioElement);
+    internals.getRoot().browserAction.disable();
+    const activeTabs = await internals.getActiveTabs();
+    const execution = await internals.getRoot().tabs.executeScript(activeTabs[0].id, {
+      file: '/content_script.js'
+    });
+
+    if (!execution[0]) {
+      internals.onDisconnect();
+    }
+  },
+
+  hangUp() {
+
+    internals.getRoot().browserAction.disable();
+    internals.port.postMessage({
+      action: 'hangUp'
+    });
   },
 
   isInCall() {
-    return internals.isInCallState; // this should be replaced with actually checking the built stuff
+
+    return !!(internals.port);
   },
 
   setIcon(iconSet) {
@@ -89,3 +114,4 @@ const internals = {
 };
 
 internals.getRoot().browserAction.onClicked.addListener(internals.onClick);
+internals.getRoot().runtime.onConnect.addListener(internals.onConnect);