Class MessageDispatcherSWT

java.lang.Object

com.biglybt.ui.swt.browser.msg.MessageDispatcherSWT

All Implemented Interfaces:

BrowserMessageDispatcher

public class MessageDispatcherSWT
extends Object
implements BrowserMessageDispatcher

Dispatches messages to listeners registered with unique IDs.

Field Summary

Fields

Modifier and Type	Field	Description
private BrowserWrapper	browser
private BrowserWrapper.BrowserFunction	browserFunction
private ClientMessageContext	context
private Map<String, BrowserMessageListener>	listeners

Constructor Summary

Constructors

Constructor	Description
MessageDispatcherSWT(ClientMessageContext context)	Registers itself as a listener to receive sequence number reset message.

Method Summary

Modifier and Type	Method	Description
void	addListener(BrowserMessageListener listener)	Registers the given listener for the given ID.
void	deregisterBrowser(BrowserWrapper browser)	Detaches this dispatcher from the given invalid reference Browser .
void	dispatch(BrowserMessage message)	Dispatches the given message to the appropriate listener.
BrowserMessageListener	getListener(String id)	Returns the listener with the given ID.
void	registerBrowser(BrowserWrapper browser)
void	removeListener(BrowserMessageListener listener)	Deregisters the listener with the given ID.
void	removeListener(String id)	Deregisters the listener with the given ID.

Methods inherited from class Object

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

Field Details

context

private ClientMessageContext context

listeners

private Map<String, BrowserMessageListener> listeners

browser

private BrowserWrapper browser

browserFunction

private BrowserWrapper.BrowserFunction browserFunction

Constructor Details

MessageDispatcherSWT

public MessageDispatcherSWT(ClientMessageContext context)

Registers itself as a listener to receive sequence number reset message.

Method Details

registerBrowser

public void registerBrowser(BrowserWrapper browser)

deregisterBrowser

public void deregisterBrowser(BrowserWrapper browser)

Detaches this dispatcher from the given

invalid reference

Browser

. This dispatcher listens for dispose events from the browser and calls this method in response.

Parameters:

browser -

invalid reference

Browser

which will no longer send messages

addListener

public void addListener(BrowserMessageListener listener)

Registers the given listener for the given ID.

Specified by:

addListener in interface BrowserMessageDispatcher

Parameters:

listener - receives messages targeted at the given ID

id - unique identifier used when dispatching messages

Throws:

IllegalStateException - if another listener is already registered under the same ID

removeListener

public void removeListener(BrowserMessageListener listener)

Deregisters the listener with the given ID.

Specified by:

removeListener in interface BrowserMessageDispatcher

Parameters:

id - unique identifier of the listener to be removed

removeListener

public void removeListener(String id)

Deregisters the listener with the given ID.

Specified by:

removeListener in interface BrowserMessageDispatcher

Parameters:

id - unique identifier of the listener to be removed

getListener

public BrowserMessageListener getListener(String id)

Description copied from interface: BrowserMessageDispatcher

Returns the listener with the given ID.

Specified by:

getListener in interface BrowserMessageDispatcher

Parameters:

id - unique identifier of the listener to be returned

Returns:

the located listener

dispatch

public void dispatch(BrowserMessage message)

Description copied from interface: BrowserMessageDispatcher

Dispatches the given message to the appropriate listener.

Specified by:

dispatch in interface BrowserMessageDispatcher

Parameters:

message - holds the listener ID, operation ID and parameters