Class DefaultBeforeUnloadCallback

All Implemented Interfaces:
BeforeUnloadCallback, BrowserAsyncCallback<BeforeUnloadCallback.Params,BeforeUnloadCallback.Action>, BrowserCallback, AsyncCallback<BeforeUnloadCallback.Params,BeforeUnloadCallback.Action>, Callback

public final class DefaultBeforeUnloadCallback extends DefaultCallback implements BeforeUnloadCallback
The default BeforeUnloadCallback implementation that shows a dialog when the web page is about to be unloaded.
  • Constructor Details

    • DefaultBeforeUnloadCallback

      public DefaultBeforeUnloadCallback(BrowserView parent)
  • Method Details

    • on

      Description copied from interface: AsyncCallback
      Invoked when the callback needs a response for the given callback parameters. The response can be provided asynchronously from a different thread or before the method returns. The response can be provided only once.
      Specified by:
      on in interface AsyncCallback<BeforeUnloadCallback.Params,BeforeUnloadCallback.Action>
      Parameters:
      params - the object that represents the callback parameters
      tell - the object that can be used to provide the callback response. One of its methods must be invoked to provide the response. Once the response has been provided, any call to the object methods will result in the IllegalStateException