Package com.google.gwt.place.shared

Class PlaceHistoryHandler

java.lang.Object

com.google.gwt.place.shared.PlaceHistoryHandler

public class PlaceHistoryHandler
extends Object

Monitors PlaceChangeEvents and History events and keep them in sync.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PlaceHistoryHandler.DefaultHistorian	Default implementation of PlaceHistoryHandler.Historian, based on History.
static interface	PlaceHistoryHandler.Historian	Optional delegate in charge of History related events.

Constructor Summary

Constructors

Constructor	Description
PlaceHistoryHandler(PlaceHistoryMapper mapper)	Create a new PlaceHistoryHandler with a PlaceHistoryHandler.DefaultHistorian.
PlaceHistoryHandler(PlaceHistoryMapper mapper, PlaceHistoryHandler.Historian historian)	Create a new PlaceHistoryHandler.

Method Summary

Modifier and Type	Method	Description
void	handleCurrentHistory()	Handle the current history token.
(package private) Logger	log()	Visible for testing.
HandlerRegistration	register(PlaceController placeController, EventBus eventBus, Place defaultPlace)	Deprecated. use register(PlaceController, EventBus, Place)
HandlerRegistration	register(PlaceController placeController, EventBus eventBus, Place defaultPlace)	Initialize this place history handler.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PlaceHistoryHandler

public PlaceHistoryHandler(PlaceHistoryMapper mapper)

Create a new PlaceHistoryHandler with a PlaceHistoryHandler.DefaultHistorian. The DefaultHistorian is created via a call to GWT.create(), so an alternative default implementation can be provided through <replace-with> rules in a gwt.xml file.

Parameters:

mapper - a PlaceHistoryMapper instance

PlaceHistoryHandler

public PlaceHistoryHandler(PlaceHistoryMapper mapper,
 PlaceHistoryHandler.Historian historian)

Create a new PlaceHistoryHandler.

Parameters:

mapper - a PlaceHistoryMapper instance

historian - a PlaceHistoryHandler.Historian instance

Method Details

handleCurrentHistory

public void handleCurrentHistory()

Handle the current history token. Typically called at application start, to ensure bookmark launches work.

register

@Deprecated
public HandlerRegistration register(PlaceController placeController,
 EventBus eventBus,
 Place defaultPlace)

Deprecated.

use register(PlaceController, EventBus, Place)

Legacy method tied to the old location for EventBus.

register

public HandlerRegistration register(PlaceController placeController,
 EventBus eventBus,
 Place defaultPlace)

Initialize this place history handler.

Returns:

a registration object to de-register the handler

log

Logger log()

Visible for testing.