更新 Firefox 3.5 扩展

firefox -createProfile testBeta4

cd /Applications/Firefox.app/Contents/MacOS/
firefox -createProfile testBeta4

firefox -P testBeta4

var places = Components.classes["@mozilla.org/file/directory_service;1"]
  .getService(Components.interfaces.nsIProperties)
  .get("ProfD", Components.interfaces.nsIFile);
places.append("places.sqlite");
var db = Components.classes["@mozilla.org/storage/service;1"]
  .getService(Components.interfaces.mozIStorageService)
  .openDatabase(places);

var db = Components.classes[
  "@mozilla.org/browser/nav-history-service;1"
].getService(Components.interfaces.nsPIPlacesDatabase).DBConnection;

<textbox type="timed" timeout="1000" oncommand="alert(this.value);"/>

<textbox type="search" timeout="1000" oncommand="alert(this.value);"/>

if (typeof JSON === "undefined") {
  Components.utils.import("resource://gre/modules/JSON.jsm");
  JSON.parse = JSON.fromString;
  JSON.stringify = JSON.toString;
}

var loadContext;
try {
  loadContext = aRequest
    .QueryInterface(Components.interfaces.nsIChannel) // aRequest is equivalent to aSubject from observe
    .notificationCallbacks.getInterface(Components.interfaces.nsILoadContext);
} catch (ex) {
  try {
    loadContext = aRequest.loadGroup.notificationCallbacks.getInterface(
      Components.interfaces.nsILoadContext,
    );
  } catch (ex) {
    loadContext = null;
  }
}
// you can now use |loadContext.associatedWindow| to get the Window object

// SOURCE: http://stackoverflow.com/questions/10719606/is-it-possible-to-know-the-target-domwindow-for-an-httprequest

function getWindowForRequest(request) {
  if (request instanceof Components.interfaces.nsIRequest) {
    try {
      if (request.notificationCallbacks) {
        return request.notificationCallbacks.getInterface(
          Components.interfaces.nsILoadContext,
        ).associatedWindow;
      }
    } catch (e) {}
    try {
      if (request.loadGroup && request.loadGroup.notificationCallbacks) {
        return request.loadGroup.notificationCallbacks.getInterface(
          Components.interfaces.nsILoadContext,
        ).associatedWindow;
      }
    } catch (e) {}
  }
  return null;
}

nsCOMPtr<nsILoadContext> loadContext;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
NS_QueryNotificationCallbacks(channel, loadContext);