public static void changeFrameAppContext(Frame frame, AppContext newAppContext) {
// Fixed #4754451: Applet can have methods running on main
// thread event queue.
//
// The cause of this bug is that the frame of the applet
// is created in main thread group. Thus, when certain
// AWT/Swing events are generated, the events will be
// dispatched through the wrong event dispatch thread.
//
// To fix this, we rearrange the AppContext with the frame,
// so the proper event queue will be looked up.
//
// Swing also maintains a Frame list for the AppContext,
// so we will have to rearrange it as well.
// Check if frame's AppContext has already been set properly
AppContext oldAppContext = SunToolkit.targetToAppContext(frame);
if (oldAppContext == newAppContext) return;
// Synchronization on Window.class is needed for locking the
// critical section of the window list in AppContext.
synchronized (Window.class) {
WeakReference<Window> weakRef = null;
// Remove frame from the Window list in wrong AppContext
{
// Lookup current frame's AppContext
@SuppressWarnings("unchecked")
Vector<WeakReference<Window>> windowList =
(Vector<WeakReference<Window>>) oldAppContext.get(Window.class);
if (windowList != null) {
for (WeakReference<Window> ref : windowList) {
if (ref.get() == frame) {
weakRef = ref;
break;
}
}
// Remove frame from wrong AppContext
if (weakRef != null) windowList.remove(weakRef);
}
}
// Put the frame into the applet's AppContext map
SunToolkit.insertTargetMapping(frame, newAppContext);
// Insert frame into the Window list in the applet's AppContext map
{
@SuppressWarnings("unchecked")
Vector<WeakReference<Window>> windowList =
(Vector<WeakReference<Window>>) newAppContext.get(Window.class);
if (windowList == null) {
windowList = new Vector<WeakReference<Window>>();
newAppContext.put(Window.class, windowList);
}
// use the same weakRef here as it is used elsewhere
windowList.add(weakRef);
}
}
}
/** Is called when the applet wants to be resized. */
@Override
public void appletResize(int width, int height) {
currentAppletSize.width = width;
currentAppletSize.height = height;
final Dimension currentSize = new Dimension(currentAppletSize.width, currentAppletSize.height);
if (loader != null) {
AppContext appCtxt = loader.getAppContext();
if (appCtxt != null) appEvtQ = (java.awt.EventQueue) appCtxt.get(AppContext.EVENT_QUEUE_KEY);
}
final AppletPanel ap = this;
if (appEvtQ != null) {
appEvtQ.postEvent(
new InvocationEvent(
Toolkit.getDefaultToolkit(),
new Runnable() {
@Override
public void run() {
if (ap != null) {
ap.dispatchAppletEvent(APPLET_RESIZE, currentSize);
}
}
}));
}
}
// WComponentPeer overrides
@SuppressWarnings("unchecked")
protected void disposeImpl() {
AppContext appContext = SunToolkit.targetToAppContext(target);
synchronized (appContext) {
List<WWindowPeer> l = (List<WWindowPeer>) appContext.get(ACTIVE_WINDOWS_KEY);
if (l != null) {
l.remove(this);
}
}
// Remove ourself from the Map of DisplayChangeListeners
GraphicsConfiguration gc = getGraphicsConfiguration();
((Win32GraphicsDevice) gc.getDevice()).removeDisplayChangedListener(this);
synchronized (getStateLock()) {
TranslucentWindowPainter currentPainter = painter;
if (currentPainter != null) {
currentPainter.flush();
// don't set the current one to null here; reduces the chances of
// MT issues (like NPEs)
}
}
super.disposeImpl();
}
private static synchronized AnimationController getAnimationController() {
AppContext appContext = AppContext.getAppContext();
Object obj = appContext.get(ANIMATION_CONTROLLER_KEY);
if (obj == null) {
obj = new AnimationController();
appContext.put(ANIMATION_CONTROLLER_KEY, obj);
}
return (AnimationController) obj;
}
// ********************************
// Create PLAF
// ********************************
public static ComponentUI createUI(JComponent c) {
AppContext appContext = AppContext.getAppContext();
BasicButtonUI buttonUI = (BasicButtonUI) appContext.get(BASIC_BUTTON_UI_KEY);
if (buttonUI == null) {
buttonUI = new BasicButtonUI();
appContext.put(BASIC_BUTTON_UI_KEY, buttonUI);
}
return buttonUI;
}
// ********************************
// Create PLAF
// ********************************
public static ComponentUI createUI(JComponent c) {
AppContext appContext = AppContext.getAppContext();
MetalButtonUI metalButtonUI = (MetalButtonUI) appContext.get(METAL_BUTTON_UI_KEY);
if (metalButtonUI == null) {
metalButtonUI = new MetalButtonUI();
appContext.put(METAL_BUTTON_UI_KEY, metalButtonUI);
}
return metalButtonUI;
}
// ********************************
// Create PLAF
// ********************************
public static ComponentUI createUI(JComponent c) {
AppContext appContext = AppContext.getAppContext();
WindowsCheckBoxUI windowsCheckBoxUI =
(WindowsCheckBoxUI) appContext.get(WINDOWS_CHECK_BOX_UI_KEY);
if (windowsCheckBoxUI == null) {
windowsCheckBoxUI = new WindowsCheckBoxUI();
appContext.put(WINDOWS_CHECK_BOX_UI_KEY, windowsCheckBoxUI);
}
return windowsCheckBoxUI;
}
/**
* Fetch the default layout queue.
*
* @return the default layout queue
*/
public static LayoutQueue getDefaultQueue() {
AppContext ac = AppContext.getAppContext();
synchronized (DEFAULT_QUEUE) {
LayoutQueue defaultQueue = (LayoutQueue) ac.get(DEFAULT_QUEUE);
if (defaultQueue == null) {
defaultQueue = new LayoutQueue();
ac.put(DEFAULT_QUEUE, defaultQueue);
}
return defaultQueue;
}
}
/**
* Returns the default menu selection manager.
*
* @return a MenuSelectionManager object
*/
public static MenuSelectionManager defaultManager() {
synchronized (MENU_SELECTION_MANAGER_KEY) {
AppContext context = AppContext.getAppContext();
MenuSelectionManager msm = (MenuSelectionManager) context.get(MENU_SELECTION_MANAGER_KEY);
if (msm == null) {
msm = new MenuSelectionManager();
context.put(MENU_SELECTION_MANAGER_KEY, msm);
}
return msm;
}
}
/**
* Pass an event onto the AWT component.
*
* @see java.awt.Component#processEvent(java.awt.AWTEvent)
*/
protected final void processEvent(AWTEvent event) {
AppContext ac = SunToolkit.targetToAppContext(target);
if (ac == null) {
target.dispatchEvent(SwingToolkit.convertEvent(event, target));
} else {
EventQueue eq = (EventQueue) ac.get(AppContext.EVENT_QUEUE_KEY);
if (eq == null) {
target.dispatchEvent(SwingToolkit.convertEvent(event, target));
} else {
eq.postEvent(SwingToolkit.convertEvent(event, target));
}
}
}
/*
* The method maps the list of the active windows to the window's AppContext,
* then the method registers ActiveWindowListener, GuiDisposedListener listeners;
* it executes the initilialization only once per AppContext.
*/
@SuppressWarnings("unchecked")
private static void initActiveWindowsTracking(Window w) {
AppContext appContext = AppContext.getAppContext();
synchronized (appContext) {
List<WWindowPeer> l = (List<WWindowPeer>) appContext.get(ACTIVE_WINDOWS_KEY);
if (l == null) {
l = new LinkedList<WWindowPeer>();
appContext.put(ACTIVE_WINDOWS_KEY, l);
appContext.addPropertyChangeListener(AppContext.GUI_DISPOSED, guiDisposedListener);
KeyboardFocusManager kfm = KeyboardFocusManager.getCurrentKeyboardFocusManager();
kfm.addPropertyChangeListener("activeWindow", activeWindowListener);
}
}
}
/*
* Returns all the ever active windows from the current AppContext.
* The list is sorted by the time of activation, so the latest
* active window is always at the end.
*/
@SuppressWarnings("unchecked")
public static long[] getActiveWindowHandles() {
AppContext appContext = AppContext.getAppContext();
synchronized (appContext) {
List<WWindowPeer> l = (List<WWindowPeer>) appContext.get(ACTIVE_WINDOWS_KEY);
if (l == null) {
return null;
}
long[] result = new long[l.size()];
for (int j = 0; j < l.size(); j++) {
result[j] = l.get(j).getHWnd();
}
return result;
}
}
public void propertyChange(PropertyChangeEvent e) {
Window w = (Window) e.getNewValue();
if (w == null) {
return;
}
AppContext appContext = SunToolkit.targetToAppContext(w);
synchronized (appContext) {
WWindowPeer wp = (WWindowPeer) w.getPeer();
// add/move wp to the end of the list
List<WWindowPeer> l = (List<WWindowPeer>) appContext.get(ACTIVE_WINDOWS_KEY);
if (l != null) {
l.remove(wp);
l.add(wp);
}
}
}
private static Dimension[] getIconSizesMap() {
AppContext appContext = AppContext.getAppContext();
Dimension[] iconSizes = (Dimension[]) appContext.get(ICON_SIZE_KEY);
if (iconSizes == null) {
iconSizes = new Dimension[7];
iconSizes[0] = null; // GTK_ICON_SIZE_INVALID
iconSizes[1] = new Dimension(16, 16); // GTK_ICON_SIZE_MENU
iconSizes[2] = new Dimension(18, 18); // GTK_ICON_SIZE_SMALL_TOOLBAR
iconSizes[3] = new Dimension(24, 24); // GTK_ICON_SIZE_LARGE_TOOLBAR
iconSizes[4] = new Dimension(20, 20); // GTK_ICON_SIZE_BUTTON
iconSizes[5] = new Dimension(32, 32); // GTK_ICON_SIZE_DND
iconSizes[6] = new Dimension(48, 48); // GTK_ICON_SIZE_DIALOG
appContext.put(ICON_SIZE_KEY, iconSizes);
}
return iconSizes;
}
/** Free all resources allocated by this object */
public void dispose() {
// Close all running jobs
final AppContext appContext = AppContext.getAppContext();
ExecutorService executorService = (ExecutorService) appContext.get(SwingWorker.class);
if (executorService != null) {
executorService.shutdown();
}
// Free UI resources
if (editors != null) {
editors.dispose();
}
if (geoCatalog != null) {
geoCatalog.dispose();
}
if (mainFrame != null) {
mainFrame.dispose();
}
if (singleFrameTracker != null) {
singleFrameTracker.close();
}
if (editorFactoryTracker != null) {
editorFactoryTracker.close();
}
if (editorTracker != null) {
editorTracker.close();
}
if (toolBarTracker != null) {
toolBarTracker.close();
}
dockManager.dispose();
loggerCollection.dispose();
// Free libraries resources
mainContext.dispose();
UIFactory.setMainFrame(null);
}
public void run() {
final EventQueue eq = (EventQueue) appContext.get(EVENT_QUEUE_KEY);
if (eq != null) {
eq.postEvent(AWTAutoShutdown.getShutdownEvent());
}
}