git.r.bdr.sh - rbdr/junction/blob - extension/junction.js

   1 const internals = {
   2   promisesSupported: !!window.browser,
   3   injectedScript: false,
   4   port: null,
   5   currentUrl: null,
   6
   7   icons: {
   8     call: {
   9       16: "icons/action-16.png",
  10       32: "icons/action-32.png",
  11     },
  12
  13     hangUp: {
  14       16: "icons/hang_up-16.png",
  15       32: "icons/hang_up-32.png",
  16     },
  17   },
  18
  19   onClick() {
  20     if (internals.isInCall()) {
  21       return internals.hangUp();
  22     }
  23
  24     return internals.initializeContentScript();
  25   },
  26
  27   joinAudioCall() {
  28     internals.port.postMessage({
  29       action: "joinAudioCall",
  30       data: {
  31         currentUrl: internals.currentUrl,
  32         tada: internals.getRoot().runtime.getURL("sounds/tada.wav"),
  33       },
  34     });
  35     internals.getRoot().browserAction.enable();
  36     internals.setIcon("hangUp");
  37   },
  38
  39   onConnect(port) {
  40     internals.port = port;
  41     port.onDisconnect.addListener(internals.onDisconnect);
  42     port.onMessage.addListener(internals.onMessage);
  43     internals.joinAudioCall();
  44   },
  45
  46   onMessage(message) {
  47     if (message.action === "error") {
  48       internals.getRoot().browserAction.setBadgeText({ text: "x" }, () => {});
  49     }
  50   },
  51
  52   onDisconnect() {
  53     internals.getRoot().browserAction.setBadgeText({ text: "" }, () => {});
  54     internals.setIcon("call");
  55     internals.currentUrl = null;
  56     internals.port = null;
  57     internals.getRoot().browserAction.enable();
  58   },
  59
  60   async initializeContentScript() {
  61     internals.getRoot().browserAction.disable();
  62     const activeTabs = await internals.getActiveTabs();
  63
  64     internals.currentUrl = activeTabs[0].url;
  65     if (!internals.injectedScript) {
  66       const execution = await internals.getRoot().tabs.executeScript(
  67         activeTabs[0].id,
  68         {
  69           file: "/build/content_script.js",
  70         },
  71         () => {
  72           internals.injectedScript = true;
  73         },
  74       );
  75     } else {
  76       internals.getRoot().tabs.connect(activeTabs[0].id)
  77     }
  78
  79     if (execution && !execution[0]) {
  80       internals.onDisconnect();
  81     }
  82   },
  83   hangUp() {
  84     internals.getRoot().browserAction.disable();
  85     internals.port.postMessage({
  86       action: "hangUp",
  87     });
  88   },
  89
  90   isInCall() {
  91     return !!internals.port;
  92   },
  93
  94   setIcon(iconSet) {
  95     internals.getRoot().browserAction.setIcon({
  96       path: internals.icons[iconSet],
  97     });
  98   },
  99
 100   getRoot() {
 101     return window.browser || window.chrome;
 102   },
 103
 104   // Chrome doesn't yet implement the promise based tabs.query :'(
 105
 106   getActiveTabs() {
 107     const query = {
 108       currentWindow: true,
 109       active: true,
 110     };
 111
 112     if (internals.promisesSupported) {
 113       return internals.getRoot().tabs.query(query);
 114     }
 115
 116     return new Promise((resolve) => {
 117       internals.getRoot().tabs.query(query, (tabs) => {
 118         return resolve(tabs);
 119       });
 120     });
 121   },
 122 };
 123
 124 internals.getRoot().browserAction.onClicked.addListener(internals.onClick);
 125 internals.getRoot().runtime.onConnect.addListener(internals.onConnect);