abbot.tester
Class WindowTracker

java.lang.Object
  abbot.tester.WindowTracker

public class WindowTracker
extends Object

Keep track of all known root windows, and all known showing/hidden/closed windows.

Field Summary

(package private) static int

WINDOW_READY_DELAY

Constructor Summary

WindowTracker()
Create an instance of WindowTracker which will track all windows coming and going on the current and subsequent app contexts.

Method Summary

Collection	getEventQueues() Returns all known event queues.
EventQueue	getQueue(Component c) Return the event queue corresponding to the given component.
Collection	getRootWindows() Return all available root Windows.
static WindowTracker	getTracker() Only ever want one of these.
boolean	isWindowReady(Window w) Returns whether the window is ready to receive OS-level event input.

Methods inherited from class java.lang.Object

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

Field Detail

WINDOW_READY_DELAY

static int WINDOW_READY_DELAY

Constructor Detail

WindowTracker

WindowTracker()

Create an instance of WindowTracker which will track all windows coming and going on the current and subsequent app contexts. WARNING: if an applet loads this class, it will only ever see stuff in its own app context.

Method Detail

getTracker

public static WindowTracker getTracker()

Only ever want one of these.

isWindowReady

public boolean isWindowReady(Window w)

Returns whether the window is ready to receive OS-level event input. A window's "isShowing" flag may be set true before the WINDOW_OPENED event is generated, and even after the WINDOW_OPENED is sent the window peer is not guaranteed to be ready.

getQueue

public EventQueue getQueue(Component c)

Return the event queue corresponding to the given component. In most cases, this is the same as Component.getToolkit().getSystemEventQueue(), but in the case of applets will bypass the AppContext and provide the real event queue.

getEventQueues

public Collection getEventQueues()

Returns all known event queues.

getRootWindows

public Collection getRootWindows()

Return all available root Windows. A root Window is one that has a null parent. Nominally this means a list similar to that returned by Frame.getFrames(), but in the case of an Applet may return a few Dialogs as well.