/** 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); }