/** Reload the applet. */
void appletReload() {
panel.sendEvent(AppletPanel.APPLET_STOP);
panel.sendEvent(AppletPanel.APPLET_DESTROY);
panel.sendEvent(AppletPanel.APPLET_DISPOSE);
/**
* Fixed #4501142: Classlaoder sharing policy doesn't take "archive" into account. This will be
* overridden by Java Plug-in. [stanleyh]
*/
AppletPanel.flushClassLoader(panel.getClassLoaderCacheKey());
/*
* Make sure we don't have two threads running through the event queue
* at the same time.
*/
try {
panel.joinAppletThread();
panel.release();
} catch (InterruptedException e) {
return; // abort the reload
}
panel.createAppletThread();
panel.sendEvent(AppletPanel.APPLET_LOAD);
panel.sendEvent(AppletPanel.APPLET_INIT);
panel.sendEvent(AppletPanel.APPLET_START);
}
/** Return an enumeration of all the accessible applets on this page. */
public Enumeration getApplets() {
AppletSecurity security = (AppletSecurity) System.getSecurityManager();
Vector v = new Vector();
SocketPermission panelSp = new SocketPermission(panel.getCodeBase().getHost(), "connect");
for (Enumeration e = appletPanels.elements(); e.hasMoreElements(); ) {
AppletPanel p = (AppletPanel) e.nextElement();
if (p.getDocumentBase().equals(panel.getDocumentBase())) {
SocketPermission sp = new SocketPermission(p.getCodeBase().getHost(), "connect");
if (panelSp.implies(sp)) {
v.addElement(p.applet);
}
}
}
return v.elements();
}
/** Get an applet by name. */
public Applet getApplet(String name) {
AppletSecurity security = (AppletSecurity) System.getSecurityManager();
name = name.toLowerCase();
SocketPermission panelSp = new SocketPermission(panel.getCodeBase().getHost(), "connect");
for (Enumeration e = appletPanels.elements(); e.hasMoreElements(); ) {
AppletPanel p = (AppletPanel) e.nextElement();
String param = p.getParameter("name");
if (param != null) {
param = param.toLowerCase();
}
if (name.equals(param) && p.getDocumentBase().equals(panel.getDocumentBase())) {
SocketPermission sp = new SocketPermission(p.getCodeBase().getHost(), "connect");
if (panelSp.implies(sp)) {
return p.applet;
}
}
}
return null;
}
public void appletStateChanged(AppletEvent evt) {
AppletPanel src = (AppletPanel) evt.getSource();
switch (evt.getID()) {
case AppletPanel.APPLET_RESIZE:
{
if (src != null) {
resize(preferredSize());
validate();
}
break;
}
case AppletPanel.APPLET_LOADING_COMPLETED:
{
Applet a = src.getApplet(); // j86.sun.applet.AppletPanel
// 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.
//
if (a != null)
AppletPanel.changeFrameAppContext(frame, SunToolkit.targetToAppContext(a));
else AppletPanel.changeFrameAppContext(frame, AppContext.getAppContext());
break;
}
}
}
/** Shutdown a viewer. Stop, Destroy, Dispose and Quit a viewer */
private void appletShutdown(AppletPanel p) {
p.sendEvent(AppletPanel.APPLET_STOP);
p.sendEvent(AppletPanel.APPLET_DESTROY);
p.sendEvent(AppletPanel.APPLET_DISPOSE);
p.sendEvent(AppletPanel.APPLET_QUIT);
}