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com.google.gwt.activity.shared
Class AbstractActivity

java.lang.Object
  extended by com.google.gwt.activity.shared.AbstractActivity
All Implemented Interfaces:
Activity
public abstract class AbstractActivity
extends java.lang.Object
implements Activity

Simple Activity implementation that is always willing to stop, and does nothing onStop and onCancel.

Constructor Summary
AbstractActivity()
           
 
Method Summary
 java.lang.String mayStop()
          Called when the user is trying to navigate away from this activity.
 void onCancel()
          Called when Activity.start(com.google.gwt.user.client.ui.AcceptsOneWidget, com.google.gwt.event.shared.EventBus) has not yet replied to its callback, but the user has lost interest.
 void onStop()
          Called when the Activity's widget has been removed from view.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface com.google.gwt.activity.shared.Activity
start
 

Constructor Detail

AbstractActivity

public AbstractActivity()
Method Detail

mayStop

public java.lang.String mayStop()
Description copied from interface: Activity
Called when the user is trying to navigate away from this activity.

Specified by:
mayStop in interface Activity
Returns:
A message to display to the user, e.g. to warn of unsaved work, or null to say nothing

onCancel

public void onCancel()
Description copied from interface: Activity
Called when Activity.start(com.google.gwt.user.client.ui.AcceptsOneWidget, com.google.gwt.event.shared.EventBus) has not yet replied to its callback, but the user has lost interest.

Specified by:
onCancel in interface Activity

onStop

public void onStop()
Description copied from interface: Activity
Called when the Activity's widget has been removed from view. All event handlers it registered will have been removed before this method is called.

Specified by:
onStop in interface Activity
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