/* imports common modules */

var electron = require('electron')
var ipc = electron.ipcRenderer

/* define window.chrome
   this is necessary because some websites (such as the Google Drive file viewer, see issue #378) check for a
   Chrome user agent, and then do things like if(chrome.<module>) {}
   so we need to define an empty chrome object to prevent errors
   */

window.chrome = {}

var propertiesToClone = ['deltaX', 'deltaY', 'metaKey', 'ctrlKey', 'defaultPrevented', 'clientX', 'clientY']

function cloneEvent (e) {
  var obj = {}

  for (var i = 0; i < propertiesToClone.length; i++) {
    obj[propertiesToClone[i]] = e[propertiesToClone[i]]
  }
  return JSON.stringify(obj)
}

// workaround for Electron bug
setTimeout(function () {
  document.addEventListener('wheel', function (e) {
    ipc.send('wheel-event', cloneEvent(e))
  })
}, 0)

/* re-implement window.close, since the built-in function doesn't work correctly */
window.close = function () {
  ipc.send('close-window')
}

@@ -837,16 +837,33 @@
 t(e))%0A  
+%7D, %7Bpassive: true
 %7D)%0A%7D, 0)

make event listener passive