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jeremybenn |
/* PluginAppletWindow.java -- an embeddable applet window
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Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.classpath.tools.appletviewer;
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import gnu.java.awt.EmbeddedWindow;
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import java.applet.Applet;
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import java.applet.AppletContext;
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import java.awt.Dimension;
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import java.awt.event.ComponentEvent;
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import java.awt.event.ComponentListener;
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import java.awt.event.ContainerEvent;
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import java.awt.event.ContainerListener;
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import java.awt.event.HierarchyBoundsListener;
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import java.awt.event.HierarchyEvent;
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import java.awt.event.HierarchyListener;
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import java.awt.event.InputMethodEvent;
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import java.awt.event.InputMethodListener;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.awt.event.MouseMotionListener;
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import java.io.IOException;
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import java.io.StringReader;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.HashMap;
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class PluginAppletWindow
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extends EmbeddedWindow
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implements ContainerListener, ComponentListener, MouseListener,
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MouseMotionListener, InputMethodListener, HierarchyListener,
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HierarchyBoundsListener
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{
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// This class implements various listeners because the author of an applet
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// may attach listeners to it, unaware of the applet's parent (this class).
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// So, we must pass all listener events on this plugin applet window to the
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// actual applet.
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private static HashMap contexts = new HashMap();
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private Applet applet;
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private TagParser parser;
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private AppletTag tag;
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PluginAppletWindow()
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{
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super();
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addContainerListener(this);
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addComponentListener(this);
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addMouseListener(this);
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addMouseMotionListener(this);
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addInputMethodListener(this);
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addHierarchyListener(this);
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addHierarchyBoundsListener(this);
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}
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///////////////////////////////////
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/// ContainerListener Methods /////
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///////////////////////////////////
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/**
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* This method is called when a component is added to the container.
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*
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* @param event the <code>ContainerEvent</code> indicating component
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* addition
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*/
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public void componentAdded(ContainerEvent event)
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{
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if (applet != null)
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{
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ContainerListener[] l = applet.getContainerListeners();
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for (int i = 0; i < l.length; i++)
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l[i].componentAdded(event);
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}
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}
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/**
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* This method is called when a component is removed from the container.
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*
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* @param event the <code>ContainerEvent</code> indicating component removal
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*/
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public void componentRemoved(ContainerEvent event)
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{
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if (applet != null)
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{
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ContainerListener[] l = applet.getContainerListeners();
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for (int i = 0; i < l.length; i++)
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l[i].componentRemoved(event);
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}
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}
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///////////////////////////////////
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/// ComponentListener Methods /////
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///////////////////////////////////
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/**
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* This method is called when the component is resized.
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*
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* @param event the <code>ComponentEvent</code> indicating the resize
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*/
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public void componentResized(ComponentEvent event)
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{
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if (applet != null)
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{
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ComponentListener[] l = applet.getComponentListeners();
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for (int i = 0; i < l.length; i++)
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l[i].componentResized(event);
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}
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}
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/**
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* This method is called when the component is moved.
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*
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* @param event the <code>ComponentEvent</code> indicating the move
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*/
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public void componentMoved(ComponentEvent event)
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{
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if (applet != null)
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{
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ComponentListener[] l = applet.getComponentListeners();
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for (int i = 0; i < l.length; i++)
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l[i].componentMoved(event);
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}
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}
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/**
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* This method is called when the component is made visible.
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*
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* @param event the <code>ComponentEvent</code> indicating the visibility
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*/
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public void componentShown(ComponentEvent event)
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{
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if (applet != null)
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{
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ComponentListener[] l = applet.getComponentListeners();
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for (int i = 0; i < l.length; i++)
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l[i].componentShown(event);
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}
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}
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/**
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* This method is called when the component is hidden.
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*
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* @param event the <code>ComponentEvent</code> indicating the visibility
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*/
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public void componentHidden(ComponentEvent event)
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{
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if (applet != null)
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{
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ComponentListener[] l = applet.getComponentListeners();
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for (int i = 0; i < l.length; i++)
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l[i].componentHidden(event);
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}
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}
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///////////////////////////////////
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////// MouseListener Methods //////
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///////////////////////////////////
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/**
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* This method is called when the mouse is clicked (pressed and released
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* in short succession) on a component.
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*
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* @param event the <code>MouseEvent</code> indicating the click
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*/
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public void mouseClicked(MouseEvent event)
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{
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if (applet != null)
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{
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MouseListener[] l = applet.getMouseListeners();
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for (int i = 0; i < l.length; i++)
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l[i].mouseClicked(event);
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}
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}
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/**
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* This method is called when the mouse is pressed over a component.
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*
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* @param event the <code>MouseEvent</code> for the press
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*/
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public void mousePressed(MouseEvent event)
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{
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if (applet != null)
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{
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MouseListener[] l = applet.getMouseListeners();
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for (int i = 0; i < l.length; i++)
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l[i].mousePressed(event);
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}
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}
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/**
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* This method is called when the mouse is released over a component.
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*
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* @param event the <code>MouseEvent</code> for the release
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*/
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public void mouseReleased(MouseEvent event)
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{
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if (applet != null)
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{
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MouseListener[] l = applet.getMouseListeners();
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for (int i = 0; i < l.length; i++)
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l[i].mouseReleased(event);
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}
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}
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/**
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* This method is called when the mouse enters a component.
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*
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* @param event the <code>MouseEvent</code> for the entry
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*/
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public void mouseEntered(MouseEvent event)
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{
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if (applet != null)
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{
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MouseListener[] l = applet.getMouseListeners();
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for (int i = 0; i < l.length; i++)
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l[i].mouseEntered(event);
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}
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}
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/**
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* This method is called when the mouse exits a component.
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*
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* @param event the <code>MouseEvent</code> for the exit
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*/
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public void mouseExited(MouseEvent event)
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{
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if (applet != null)
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{
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MouseListener[] l = applet.getMouseListeners();
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for (int i = 0; i < l.length; i++)
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l[i].mouseExited(event);
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}
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}
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///////////////////////////////////
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/// MouseMotionListener Methods ///
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///////////////////////////////////
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/**
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* This method is called when the mouse is moved over a component
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* while a button has been pressed.
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*
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* @param event the <code>MouseEvent</code> indicating the motion
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*/
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public void mouseDragged(MouseEvent event)
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{
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if (applet != null)
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{
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MouseMotionListener[] l = applet.getMouseMotionListeners();
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for (int i = 0; i < l.length; i++)
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l[i].mouseDragged(event);
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}
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}
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/**
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* This method is called when the mouse is moved over a component
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* while no button is pressed.
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*
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* @param event the <code>MouseEvent</code> indicating the motion
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*/
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public void mouseMoved(MouseEvent event)
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{
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if (applet != null)
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{
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MouseMotionListener[] l = applet.getMouseMotionListeners();
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for (int i = 0; i < l.length; i++)
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l[i].mouseMoved(event);
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}
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}
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///////////////////////////////////
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/// InputMethodListener Methods ///
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///////////////////////////////////
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/**
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* This method is called when the text is changed.
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*
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* @param event the <code>InputMethodEvent</code> indicating the text change
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*/
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public void inputMethodTextChanged(InputMethodEvent event)
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{
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if (applet != null)
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{
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InputMethodListener[] l = applet.getInputMethodListeners();
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for (int i = 0; i < l.length; i++)
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l[i].inputMethodTextChanged(event);
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}
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}
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/**
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* This method is called when the cursor position within the text is changed.
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*
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* @param event the <code>InputMethodEvent</code> indicating the change
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*/
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public void caretPositionChanged(InputMethodEvent event)
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{
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if (applet != null)
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{
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InputMethodListener[] l = applet.getInputMethodListeners();
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for (int i = 0; i < l.length; i++)
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l[i].caretPositionChanged(event);
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}
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}
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///////////////////////////////////
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344 |
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//// HierarchyListener Methods ////
|
345 |
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///////////////////////////////////
|
346 |
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/**
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* Called when the hierarchy of this component changes. Use
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* <code>getChangeFlags()</code> on the event to see what exactly changed.
|
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*
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* @param event the event describing the change
|
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*/
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public void hierarchyChanged(HierarchyEvent event)
|
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{
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if (applet != null)
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{
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HierarchyListener[] l = applet.getHierarchyListeners();
|
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for (int i = 0; i < l.length; i++)
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l[i].hierarchyChanged(event);
|
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}
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}
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/////////////////////////////////////////
|
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//// HierarchyBoundsListener Methods ////
|
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/////////////////////////////////////////
|
366 |
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|
367 |
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/**
|
368 |
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* Called when an ancestor component of the source is moved.
|
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*
|
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|
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* @param e the event describing the ancestor's motion
|
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|
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*/
|
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|
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public void ancestorMoved(HierarchyEvent e)
|
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{
|
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if (applet != null)
|
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{
|
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HierarchyBoundsListener[] l = applet.getHierarchyBoundsListeners();
|
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for (int i = 0; i < l.length; i++)
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l[i].ancestorMoved(e);
|
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}
|
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}
|
381 |
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|
382 |
|
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/**
|
383 |
|
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* Called when an ancestor component is resized.
|
384 |
|
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*
|
385 |
|
|
* @param e the event describing the ancestor's resizing
|
386 |
|
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*/
|
387 |
|
|
public void ancestorResized(HierarchyEvent e)
|
388 |
|
|
{
|
389 |
|
|
if (applet != null)
|
390 |
|
|
{
|
391 |
|
|
HierarchyBoundsListener[] l = applet.getHierarchyBoundsListeners();
|
392 |
|
|
for (int i = 0; i < l.length; i++)
|
393 |
|
|
l[i].ancestorResized(e);
|
394 |
|
|
}
|
395 |
|
|
}
|
396 |
|
|
|
397 |
|
|
void setParser(String tag, String documentbase) throws MalformedURLException, IOException
|
398 |
|
|
{
|
399 |
|
|
URL documentbaseURL = TagParser.getLocationToURL(documentbase);
|
400 |
|
|
StringReader in = new StringReader(tag);
|
401 |
|
|
this.parser = new TagParser(in, documentbaseURL);
|
402 |
|
|
}
|
403 |
|
|
|
404 |
|
|
// /////////////////////////////////
|
405 |
|
|
// //// EmbeddedWindow Method //////
|
406 |
|
|
// /////////////////////////////////
|
407 |
|
|
|
408 |
|
|
/**
|
409 |
|
|
* Set the native handle of the window system to embed the window in.
|
410 |
|
|
*
|
411 |
|
|
* @param handle the native handle.
|
412 |
|
|
*/
|
413 |
|
|
public void setHandle(long handle)
|
414 |
|
|
{
|
415 |
|
|
super.setHandle(handle);
|
416 |
|
|
addNotify();
|
417 |
|
|
|
418 |
|
|
ArrayList l = parser.parseAppletTags();
|
419 |
|
|
int s = l.size();
|
420 |
|
|
|
421 |
|
|
for (int i = 0; i < s; i++)
|
422 |
|
|
{
|
423 |
|
|
tag = (AppletTag) l.get(i);
|
424 |
|
|
applet = Main.createApplet(tag);
|
425 |
|
|
|
426 |
|
|
if (contexts.get(tag.getCodeBase()) == null)
|
427 |
|
|
contexts.put(tag.getCodeBase(), new PluginAppletContext());
|
428 |
|
|
|
429 |
|
|
add(applet);
|
430 |
|
|
|
431 |
|
|
AppletContext context = (AppletContext) contexts.get(tag.getCodeBase());
|
432 |
|
|
((PluginAppletContext) context).addApplet(applet);
|
433 |
|
|
|
434 |
|
|
applet.setStub(new CommonAppletStub(tag, context, applet));
|
435 |
|
|
Dimension size = getSize();
|
436 |
|
|
if (size.width == 0 || size.height == 0)
|
437 |
|
|
size = tag.getSize();
|
438 |
|
|
applet.setSize(size);
|
439 |
|
|
|
440 |
|
|
// Initialize the applet before showing this window so that
|
441 |
|
|
// the applet doesn't receive events before it has been
|
442 |
|
|
// initialized.
|
443 |
|
|
applet.init();
|
444 |
|
|
applet.start();
|
445 |
|
|
setVisible(true);
|
446 |
|
|
}
|
447 |
|
|
}
|
448 |
|
|
}
|