Chip 2001 June/CHIPHEFT062001.ISO/browser/nc32lyc/comm.z/java40.jar/netscape/application/Application.class

Java Class File | 2000-08-15 | 17.9 KB | 768 lines

package netscape.application;

import java.applet.Applet;
import java.applet.AppletContext;
import java.awt.Component;
import java.awt.Container;
import java.awt.Frame;
import java.awt.MediaTracker;
import java.awt.Panel;
import java.io.InputStream;
import java.net.URL;
import netscape.util.Enumeration;
import netscape.util.Hashtable;
import netscape.util.InconsistencyException;
import netscape.util.Vector;

public class Application implements Runnable, EventProcessor {
   static Hashtable groupToApplication = new Hashtable();
   static final String _releaseName = "IFC 1.1.2";
   static Clipboard clipboard;
   static Object clipboardLock = new Object();
   Applet applet;
   AppletResources _appResources;
   EventLoop eventLoop = new EventLoop();
   Vector _languageVector;
   Vector rootViews = new Vector();
   RootView mainRootView;
   boolean didCreateApplet;
   Vector _modalVector = new Vector();
   Vector observers = new Vector();
   Vector activeMenuViews = new Vector();
   boolean jdkMouseEventHackEnabled = true;
   MediaTracker tracker;
   int bitmapCount;
   Hashtable bitmapByName = new Hashtable();
   Hashtable soundByName = new Hashtable();
   Hashtable fontByName = new Hashtable();
   DebugGraphicsInfo debugGraphicsInfo;
   TimerQueue timerQueue;
   Object cleanupLock;
   boolean isPaused;
   boolean _kbdUIEnabled = true;
   Window currentDocumentWindow;
   KeyboardArrow keyboardArrow;
   public static final int TOP_LEFT_POSITION = 0;
   public static final int BOTTOM_LEFT_POSITION = 1;
   public static final int TOP_RIGHT_POSITION = 2;
   public static final int BOTTOM_RIGHT_POSITION = 3;
   static final int FIRST_POSITION = 0;
   static final int LAST_POSITION = 3;
   static final int arrowXOffset = 0;
   static final int arrowYOffset = 0;

   public Application() {
      groupToApplication.put(Thread.currentThread().getThreadGroup(), this);
      FoundationApplet var1 = FoundationApplet.applet();
      if (var1 == null) {
         var1 = this.createApplet();
         var1.setApplication(this);
         this.didCreateApplet = true;
      } else {
         this.isPaused = true;
         var1.setupCanvas(this);
      }

      this.applet = var1;
      this._appResources = new AppletResources(this, this.codeBase());
      this.timerQueue = new TimerQueue();
      this.eventLoop.application = this;
   }

   public static String releaseName() {
      return "IFC 1.1.2";
   }

   public Application(Applet var1) {
      groupToApplication.put(Thread.currentThread().getThreadGroup(), this);
      this.applet = var1;
      this._appResources = new AppletResources(this, this.codeBase());
      this.timerQueue = new TimerQueue();
      this.appletStarted();
      this.eventLoop.application = this;
   }

   public static Application application() {
      ThreadGroup var0 = Thread.currentThread().getThreadGroup();
      Application var1 = (Application)groupToApplication.get(var0);
      if (var1 == null) {
         var1 = FoundationApplet.currentApplication();
      }

      return var1;
   }

   public void init() {
   }

   public void cleanup() {
      Enumeration var1 = groupToApplication.keys();
      this.applicationDidStop();
      if (this.applet instanceof FoundationApplet) {
         ((FoundationApplet)this.applet).cleanup();
      }

      if (this.didCreateApplet) {
         ((FoundationApplet)this.applet).destroyFromIFC();
         if (this.applet.getParent() != null) {
            this.applet.getParent().remove(this.applet);
         }
      }

      while(var1.hasMoreElements()) {
         ThreadGroup var2 = (ThreadGroup)var1.nextElement();
         Application var3 = (Application)groupToApplication.get(var2);
         if (var3 == this) {
            groupToApplication.remove(var2);
            break;
         }
      }

      this.timerQueue = null;
      this.observers.removeAllElements();
      this.eventLoop.application = null;
   }

   public void stopRunning() {
      this.eventLoop.stopRunning();
   }

   void stopRunningForAWT() {
      Object var1 = this.cleanupLock;
      synchronized(var1){}

      try {
         this.eventLoop.stopRunning();

         while(true) {
            try {
               this.cleanupLock.wait();
               return;
            } catch (InterruptedException var5) {
            }
         }
      } catch (Throwable var6) {
         throw var6;
      }
   }

   public void run() {
      this.cleanupLock = new Object();
      this.applicationDidStart();
      this.init();
      this.eventLoop.run();
      this.cleanup();
      Object var1 = this.cleanupLock;
      synchronized(var1){}

      try {
         this.cleanupLock.notify();
      } catch (Throwable var3) {
         throw var3;
      }

   }

   public EventLoop eventLoop() {
      return this.eventLoop;
   }

   Vector languagePreferences() {
      if (this._languageVector == null) {
         this._languageVector = new Vector();
      }

      return this._languageVector;
   }

   void syncGraphics() {
   }

   InputStream streamForInterface(String var1) {
      return this._appResources.streamForInterface(var1);
   }

   InputStream streamForResourceOfType(String var1, String var2) {
      return this._appResources.streamForResourceOfType(var1, var2);
   }

   public boolean isApplet() {
      return !this.didCreateApplet;
   }

   InputStream streamForRelativePath(String var1) {
      URL var2;
      try {
         var2 = new URL(this.codeBase(), var1);
      } catch (Exception var6) {
         System.err.println("Application.streamForRelativePath() - " + var6);
         var2 = null;
      }

      if (var2 == null) {
         return null;
      } else {
         InputStream var3;
         try {
            var3 = var2.openStream();
         } catch (Exception var5) {
            System.err.println("Application.streamForURL() - Trouble retrieving URL " + var2 + " : " + var5);
            var3 = null;
         }

         return var3;
      }
   }

   AppletContext getAppletContext() {
      return this.applet == null ? null : this.applet.getAppletContext();
   }

   public URL codeBase() {
      return this.applet.getCodeBase();
   }

   public String parameterNamed(String var1) {
      return this.applet == null ? null : this.applet.getParameter(var1);
   }

   public RootView mainRootView() {
      return this.mainRootView;
   }

   public void setMainRootView(RootView var1) {
      this.addRootView(var1);
      this.mainRootView = var1;
   }

   RootView firstRootView() {
      return (RootView)this.rootViews.lastElement();
   }

   public Vector rootViews() {
      return this.rootViews;
   }

   public Vector externalWindows() {
      int var2 = this.rootViews.count();
      Vector var3 = new Vector();

      for(int var1 = 0; var1 < var2; ++var1) {
         RootView var4 = (RootView)this.rootViews.elementAt(var1);
         ExternalWindow var5 = var4.externalWindow();
         if (var5 != null) {
            var3.addElement(var5);
         }
      }

      return var3;
   }

   void addRootView(RootView var1) {
      if (!this.rootViews.contains(var1)) {
         this.rootViews.insertElementAt(var1, 0);
         var1.setApplication(this);
      }

   }

   void removeRootView(RootView var1) {
      this.rootViews.removeElement(var1);
      var1.setApplication((Application)null);
      if (this.rootViews.count() > 0) {
         ((RootView)this.rootViews.lastElement()).didBecomeFirstRootView();
      }

   }

   void makeFirstRootView(RootView var1) {
      if (this.rootViews.indexOf(var1) != -1) {
         if (this.rootViews.lastElement() != var1) {
            RootView var2 = (RootView)this.rootViews.lastElement();
            this.rootViews.removeElement(var1);
            this.rootViews.addElement(var1);
            if (var2 != null) {
               var2.didResignFirstRootView();
            }

            var1.didBecomeFirstRootView();
         }

      }
   }

   Frame frame() {
      Object var1;
      for(var1 = this.applet; var1 != null && !(var1 instanceof Frame); var1 = ((Component)var1).getParent()) {
      }

      return var1 != null ? (Frame)var1 : null;
   }

   synchronized MediaTracker mediaTracker() {
      if (this.tracker == null) {
         this.tracker = new MediaTracker(this.applet);
      }

      return this.tracker;
   }

   synchronized int nextBitmapNumber() {
      return this.bitmapCount++;
   }

   synchronized TimerQueue timerQueue() {
      return this.timerQueue;
   }

   void addActiveMenuView(MenuView var1) {
      this.activeMenuViews.addElementIfAbsent(var1);
   }

   void removeActiveMenuView(MenuView var1) {
      this.activeMenuViews.removeElement(var1);
   }

   public void willProcessEvent(Event var1) {
   }

   void willProcessInternalEvent(Event var1) {
      if (this.activeMenuViews.count() != 0 && var1.type() == -1) {
         MenuView var2 = (MenuView)this.activeMenuViews.lastElement();
         var2.mouseWillDown((MouseEvent)var1);
      }
   }

   public void didProcessEvent(Event var1) {
   }

   void didProcessInternalEvent(Event var1) {
      this.drawAllDirtyViews();
   }

   protected void drawAllDirtyViews() {
      int var2 = this.rootViews.count();

      for(int var1 = 0; var1 < var2; ++var1) {
         RootView var3 = (RootView)this.rootViews.elementAt(var1);
         var3.drawDirtyViews();
         var3._updateCursorAndMoveView();
      }

   }

   boolean isMac() {
      String var1 = System.getProperty("os.name");
      return var1 != null && var1.startsWith("Mac");
   }

   public void keyDown(KeyEvent var1) {
      boolean var2 = false;
      RootView var3 = this.firstRootView();
      if (var3 != null) {
         var3.processKeyboardEvent(var1, false);
      }

   }

   public void keyTyped(KeyEvent var1) {
   }

   public void keyUp(KeyEvent var1) {
   }

   protected void beginModalSessionForView(View var1) {
      if (var1 == null) {
         throw new InconsistencyException("beginModalSessionForView called with null view");
      } else {
         this._modalVector.addElement(var1);
         RootView var2 = var1.rootView();
         if (var2 != null) {
            var2.updateCursor();
         }

      }
   }

   protected void endModalSessionForView(View var1) {
      if (var1 != this._modalVector.lastElement()) {
         throw new InconsistencyException("endModalSessionForView called for a view that is not the last modal view");
      } else {
         this._modalVector.removeLastElement();
         RootView var2 = var1.rootView();
         if (var2 != null) {
            var2.updateCursor();
            var2.validateSelectedView();
         }

      }
   }

   public View modalView() {
      return this._modalVector.count() > 0 ? (View)this._modalVector.lastElement() : null;
   }

   boolean isModalViewShowing() {
      return this._modalVector.count() != 0;
   }

   public void performCommandAndWait(Target var1, String var2, Object var3) {
      CommandEvent var4 = new CommandEvent(var1, var2, var3);
      this.eventLoop.addEventAndWait(var4);
   }

   public void performCommandLater(Target var1, String var2, Object var3, boolean var4) {
      CommandEvent var5 = new CommandEvent(var1, var2, var3);
      if (var4) {
         this.eventLoop.filterEvents(new CommandFilter(var5.target, var5.command, var3));
      }

      this.eventLoop.addEvent(var5);
   }

   public void performCommandLater(Target var1, String var2, Object var3) {
      this.performCommandLater(var1, var2, var3, false);
   }

   protected FoundationApplet createApplet() {
      Frame var1 = new Frame();
      FoundationApplet var2 = new FoundationApplet();
      ((Container)var1).add(var2);
      var1.addNotify();
      ((Panel)var2).addNotify();
      ((Applet)var2).setStub(new FoundationAppletStub());
      return var2;
   }

   String exceptionHeader() {
      return "Uncaught exception.  IFC release: IFC 1.1.2";
   }

   public void addObserver(ApplicationObserver var1) {
      this.observers.addElementIfAbsent(var1);
   }

   public void removeObserver(ApplicationObserver var1) {
      this.observers.removeElement(var1);
   }

   public void appletStarted() {
      int var1 = this.observers.count();
      this.isPaused = false;

      while(var1-- > 0) {
         ApplicationObserver var2 = (ApplicationObserver)this.observers.elementAt(var1);
         var2.applicationDidResume(this);
      }

      var1 = this.rootViews.count();

      while(var1-- > 0) {
         RootView var4 = (RootView)this.rootViews.elementAt(var1);
         if (var4.externalWindow() == null) {
            var4.setVisible(true);
         }
      }

   }

   public void appletStopped() {
      int var1 = this.observers.count();
      this.isPaused = true;

      while(var1-- > 0) {
         ApplicationObserver var2 = (ApplicationObserver)this.observers.elementAt(var1);
         var2.applicationDidPause(this);
      }

      var1 = this.rootViews.count();

      while(var1-- > 0) {
         RootView var4 = (RootView)this.rootViews.elementAt(var1);
         if (var4.externalWindow() == null) {
            var4.setVisible(false);
         }
      }

   }

   void applicationDidStart() {
      int var1 = this.observers.count();

      while(var1-- > 0) {
         ApplicationObserver var2 = (ApplicationObserver)this.observers.elementAt(var1);
         var2.applicationDidStart(this);
      }

   }

   void applicationDidStop() {
      int var1 = this.observers.count();

      while(var1-- > 0) {
         ApplicationObserver var2 = (ApplicationObserver)this.observers.elementAt(var1);
         var2.applicationDidStop(this);
      }

   }

   public void processEvent(Event var1) {
      if (var1 instanceof ApplicationEvent) {
         if (var1.type == -26) {
            this.appletStopped();
            return;
         }

         if (var1.type == -27) {
            this.appletStarted();
         }
      }

   }

   public boolean isRunning() {
      return this.eventLoop.isRunning();
   }

   public boolean isPaused() {
      return this.isPaused;
   }

   static Clipboard clipboard() {
      Object var1 = clipboardLock;
      synchronized(var1){}

      Clipboard var0;
      try {
         if (clipboard == null) {
            clipboard = JDK11AirLock.clipboard();
            if (clipboard == null) {
               clipboard = new TextBag();
            }
         }

         var0 = clipboard;
      } catch (Throwable var4) {
         throw var4;
      }

      return var0;
   }

   public void makeCurrentDocumentWindow(Window var1) {
      if (var1 != null && !var1.containsDocument()) {
         throw new InconsistencyException("makeCurrentDocumentWindow: window is not a document");
      } else {
         if (this.currentDocumentWindow != null) {
            this.currentDocumentWindow.didResignCurrentDocument();
            this.currentDocumentWindow = null;
         }

         if (var1 != null) {
            this.currentDocumentWindow = var1;
            this.currentDocumentWindow.didBecomeCurrentDocument();
         }

         int var2 = this.observers.count();

         while(var2-- > 0) {
            ApplicationObserver var3 = (ApplicationObserver)this.observers.elementAt(var2);

            try {
               var3.currentDocumentDidChange(this, this.currentDocumentWindow);
            } catch (IncompatibleClassChangeError var4) {
            }
         }

      }
   }

   public Window currentDocumentWindow() {
      return this.currentDocumentWindow;
   }

   public void chooseNextCurrentDocumentWindow(Window var1) {
      Window var2 = null;
      if (var1 != null && !(var1 instanceof ExternalWindow)) {
         if (((InternalWindow)var1).rootView() != null) {
            var2 = this._chooseNextInternalWindowWithDocument(((InternalWindow)var1).rootView(), (InternalWindow)var1);
         }
      } else {
         var2 = this._chooseNextExternalWindowWithDocument((ExternalWindow)var1);
         if (var2 == null && this.mainRootView() != null) {
            var2 = this._chooseNextInternalWindowWithDocument(this.mainRootView(), (InternalWindow)null);
         }
      }

      this.makeCurrentDocumentWindow(var2);
   }

   Window _chooseNextInternalWindowWithDocument(RootView var1, InternalWindow var2) {
      Vector var3 = var1.internalWindows();

      for(int var5 = var3.count() - 1; var5 >= 0; --var5) {
         InternalWindow var4 = (InternalWindow)var3.elementAt(var5);
         if (var4 != var2 && var4.containsDocument()) {
            return var4;
         }
      }

      return null;
   }

   Window _chooseNextExternalWindowWithDocument(ExternalWindow var1) {
      Vector var2 = this.externalWindows();

      for(int var4 = var2.count() - 1; var4 >= 0; --var4) {
         ExternalWindow var3 = (ExternalWindow)var2.elementAt(var4);
         if (var3 != var1 && var3.containsDocument()) {
            return var3;
         }
      }

      return null;
   }

   void focusChanged(View var1) {
      int var2 = this.observers.count();

      while(var2-- > 0) {
         ApplicationObserver var3 = (ApplicationObserver)this.observers.elementAt(var2);

         try {
            var3.focusDidChange(this, var1);
         } catch (IncompatibleClassChangeError var4) {
         }
      }

   }

   KeyboardArrow keyboardArrow() {
      if (this.keyboardArrow == null) {
         this.keyboardArrow = new KeyboardArrow();
      }

      return this.keyboardArrow;
   }

   public int keyboardArrowPosition(View var1) {
      RootView var2 = var1.rootView();
      Rect var3 = ((View)var2).localBounds();
      new Point();
      Rect var4 = new Rect();
      var1.computeVisibleRect(var4);
      var4.intersectWith(var1.keyboardRect());
      var1.convertRectToView(var2, var4, var4);

      for(int var8 = 0; var8 <= 3; ++var8) {
         Image var5 = this.keyboardArrowImage(var8);
         Point var6 = this.keyboardArrowHotSpot(var8);
         Point var7 = this.keyboardArrowLocation(var1, var8);
         var7.x -= var6.x;
         var7.y -= var6.y;
         if (var3.contains(new Rect(var7.x, var7.y, var5.width(), var5.height()))) {
            return var8;
         }
      }

      return 0;
   }

   public Image keyboardArrowImage(int var1) {
      switch (var1) {
         case 0:
            return Bitmap.bitmapNamed("netscape/application/topLeftArrow.gif");
         case 1:
            return Bitmap.bitmapNamed("netscape/application/bottomLeftArrow.gif");
         case 2:
            return Bitmap.bitmapNamed("netscape/application/topRightArrow.gif");
         case 3:
            return Bitmap.bitmapNamed("netscape/application/bottomRightArrow.gif");
         default:
            return null;
      }
   }

   public Point keyboardArrowHotSpot(int var1) {
      switch (var1) {
         case 0:
            return new Point(8, 12);
         case 1:
            return new Point(8, 0);
         case 2:
            return new Point(0, 12);
         case 3:
            return new Point(0, 0);
         default:
            return null;
      }
   }

   public Point keyboardArrowLocation(View var1, int var2) {
      RootView var3 = var1.rootView();
      ((View)var3).localBounds();
      Rect var4 = var1.localBounds();
      var4 = new Rect();
      var1.computeVisibleRect(var4);
      var4.intersectWith(var1.keyboardRect());
      if (var4.width != 0 && var4.height != 0) {
         var1.convertRectToView(var1.rootView(), var4, var4);
         switch (var2) {
            case 0:
               return new Point(var4.x, var4.y);
            case 1:
               return new Point(var4.x, var4.y + var4.height);
            case 2:
               return new Point(var4.x + var4.width, var4.y);
            case 3:
               return new Point(var4.x + var4.width, var4.y + var4.height);
            default:
               throw new InconsistencyException("Unknown position " + var2);
         }
      } else {
         return new Point(Integer.MAX_VALUE, Integer.MAX_VALUE);
      }
   }

   public void setKeyboardUIEnabled(boolean var1) {
      this._kbdUIEnabled = var1;
   }

   public boolean isKeyboardUIEnabled() {
      return this._kbdUIEnabled;
   }

   public Applet applet() {
      return this.applet;
   }

   public AppletResources appletResources() {
      return this._appResources;
   }

   public static String clipboardText() {
      return clipboard().text();
   }

   public static void setClipboardText(String var0) {
      clipboard().setText(var0);
   }

   public void setHandleJDK11MouseEvents(boolean var1) {
      this.jdkMouseEventHackEnabled = var1;
   }

   public boolean handleJDK11MouseEvents() {
      return this.jdkMouseEventHackEnabled;
   }

   public boolean handleExtendedKeyEvent() {
      return false;
   }

   public Class classForName(String var1) throws ClassNotFoundException {
      Applet var2 = this.applet();
      return var2 instanceof FoundationApplet ? ((FoundationApplet)var2).classForName(var1) : Class.forName(var1);
   }
}