loremfill/loremfill-chrome

var contextElement = null;
var store = null;

chrome.runtime.onMessage.addListener(function(msg, sender, callback) {
  S.extendPrototype();
  store = new Store();
  store.refresh(function() {
    var elements = new Elements();
    if (msg.text && msg.text === 'fill_all_forms') {
      elements.perform();
    }
    if (msg.text && msg.text === 'fill_single_element') {
      if (contextElement) {
        contextElement = $(contextElement);
        elements.process(contextElement);
      }
      if (callback) {
        callback.call(this);
      }
    }
  });
});

document.addEventListener('contextmenu', function(event) {
  if (event && event.target) {
    contextElement = event.target;
  }
});