Package com.google.gwt.place.shared

Interface PlaceHistoryHandler.Historian

All Known Implementing Classes:

PlaceHistoryHandler.DefaultHistorian

Enclosing class:

PlaceHistoryHandler

public static interface PlaceHistoryHandler.Historian

Optional delegate in charge of History related events. Provides nice isolation for unit testing, and allows pre- or post-processing of tokens. Methods correspond to the like named methods on History.

Method Summary

Modifier and Type	Method	Description
HandlerRegistration	addValueChangeHandler(ValueChangeHandler<String> valueChangeHandler)	Adds a ValueChangeEvent handler to be informed of changes to the browser's history stack.
String	getToken()
void	newItem(String token, boolean issueEvent)	Adds a new browser history entry.

Method Details

addValueChangeHandler

HandlerRegistration addValueChangeHandler(ValueChangeHandler<String> valueChangeHandler)

Adds a ValueChangeEvent handler to be informed of changes to the browser's history stack.

Parameters:

valueChangeHandler - the handler

Returns:

the registration used to remove this value change handler

getToken

String getToken()

Returns:

the current history token.

newItem

void newItem(String token,
 boolean issueEvent)

Adds a new browser history entry. Calling this method will cause ValueChangeHandler.onValueChange(com.google.gwt.event.logical.shared.ValueChangeEvent) to be called as well.