foam-framework/apps/watlobby/bg.js

MVC metaprogramming framework

var period = 1;

chrome.runtime.onUpdateAvailable.addListener(function() {
  // Restart is for Kiosk apps, no-op in non-kiosk
  chrome.runtime.restart();

  // Reload is for non-kiosk apps.
  chrome.runtime.reload();
});


chrome.alarms.onAlarm.addListener(function(alarms) {
  chrome.runtime.requestUpdateCheck(function(u) {
    if ( u == 'throttled' ) {
      period *= 2;
      chrome.alarms.create("update", {
        periodInMinutes: period
      });
    } else {
      period = 1;
    }
  });
});

var launchWindow = (function() {
  var launching = false;

  return function() {
    var windows = chrome.app.window.getAll();
    for ( var i = 0 ; i < windows.length ; i++ ) {
      windows[i].close();
    }

    if ( ! launching ) {
      launching = true;
      chrome.app.window.create("main.html", {
        frame: 'none',
        innerBounds: {
          left: -3240,
          top: 0,
          width: 2700,
          height: 1920
        }
      }, function(w) {
        launching = false;
      });
    }
  };
})();

chrome.app.runtime.onLaunched.addListener(function() {
  launchWindow();
});

chrome.runtime.onInstalled.addListener(function() {
  launchWindow();
  chrome.alarms.create("update", {
    periodInMinutes: period
  });
});

chrome.runtime.onStartup.addListener(function() {
  launchWindow();
});