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.

addValueChangeHandler

HandlerRegistration addValueChangeHandler(ValueChangeHandler<java.lang.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

java.lang.String getToken()

Returns:

the current history token.

newItem

void newItem(java.lang.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.