/*********************************************************************************                                 SysTrayMenuIcon.java                                 --------------------    author               : Tamas Bara    copyright            : (C) 2002-2004 by SnoozeSoft    email                : snoozesoft@compuserve.de *********************************************************************************//********************************************************************************* *                                                                               * *   This library is free software; you can redistribute it and/or               * *   modify it under the terms of the GNU Lesser General Public                  * *   License as published by the Free Software Foundation; either                * *   version 2.1 of the License, or (at your option) any later version.          * *                                                                               * *   This library is distributed in the hope that it will be useful,             * *   but WITHOUT ANY WARRANTY; without even the implied warranty of              * *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU           * *   Lesser General Public License for more details.                             * *                                                                               * *   You should have received a copy of the GNU Lesser General Public            * *   License along with this library; if not, write to the Free Software         * *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA   * *                                                                               * *********************************************************************************/package snoozesoft.systray4j;import java.io.*;import java.net.URL;import java.util.*;/** * <p>This class represents a platform specific icon file. The supported formats * are *.ico on win32, and *.xpm on KDE. Usually on KDE the dimension of the icon * is 24 x 24, and 16 x 16 or 32 x 32 on Windows.</p> * <p>Interested listeners are called whenever this icon is clicked.</p> */public class SysTrayMenuIcon{    private static String extension = ".unknown";    static    {        if( SysTrayManager.isWindows ) extension = ".ico";        else if( SysTrayManager.isLinux ) extension = ".xpm";    }    private String actionCommand;    protected File iconFile;    private Vector listeners;    /**     * <p>Creates a new <code>SysTrayMenuIcon</code> object from     * the file pointed to by the URL.</p>     * <p>This constructor makes it possible to store the icon files     * together with the application classes in a JAR file.</p>     * <p>One possibility to get the URL of an icon is through the     * getResource() method:<br><br><ul style="list-style-type:none">     * <li><code>getClass().getResource( "duke" + SysTrayMenuIcon.getExtension() )     * </code></li></ul><br>provided that the icon is in the same path where the     * class is stored.</p>     * @param icon The URL of the icon.     */    public SysTrayMenuIcon( InputStream stream )    {        this( stream, "" );    }    /**     * <p>Creates a new <code>SysTrayMenuIcon</code> object from     * the file pointed to by the URL.</p>     * <p>This constructor makes it possible to store the icon files     * together with the application classes in a JAR file.</p>     * <p>One possibility to get the URL of an icon is through the     * getResource() method:<br><br><ul style="list-style-type:none">     * <li><code>getClass().getResource( "duke" + SysTrayMenuIcon.getExtension() )     * </code></li></ul><br>provided that the icon is in the same path where the     * class is stored.</p>     * @param icon The URL of the icon.     * @param actionCommand The action command passed to the listeners.     */    public SysTrayMenuIcon( InputStream stream, String actionCommand )    {        if( stream != null ) iconFile = createTempFile( stream );        else iconFile = new File( "foo", "bar" ); // create bogus file        this.actionCommand = actionCommand;        listeners = new Vector();    }    /**     * This method returns the correct icon file extension for the     * actual platform.     * @return ".ico" ro ".xpm" depending on the platform.     */    public static String getExtension()    {        return extension;    }    /**     * <p>Creates a new <code>SysTrayMenuIcon</code> object.</p>     * <p>Since the file extension (ico/xpm) depends on the actual platform,     * it is allowed, but not necessary to specify it.</p>     * <p>Example:<br>&nbsp&nbsprealFileName: duke.ico<br>     * &nbsp&nbsppassedFileName: duke or duke.ico</p>     * @param iconFileName The associated file name.     */    public SysTrayMenuIcon( String iconFileName )    {        this( iconFileName, "" );    }    /**     * Creates a new <code>SysTrayMenuIcon</code> object.     * <p>Since the file extension (ico/xpm) depends on the actual platform,     * it is allowed, but not necessary to specify it.</p>     * <p>Example:<br>&nbsp&nbsprealFileName: duke.ico<br>     * &nbsp&nbsppassedFileName: duke or duke.ico</p>     * @param iconFileName The associated file name.     * @param actionCommand The action command passed to the listeners.     */    public SysTrayMenuIcon( String iconFileName, String actionCommand )    {        if( !iconFileName.endsWith( extension ) ) iconFileName += extension;	System.err.println(iconFileName);        iconFile = new File( iconFileName );	System.err.println( "Exists? " + iconFile.exists() );        this.actionCommand = actionCommand;        listeners = new Vector();    }    /**     * Getter for the action command.     * @return The action command passed to the listeners.     */    public String getActionCommand()    {        return actionCommand;    }    /**     * Setter for the action command.     * @param actionCommand The action command passed to the listeners.     */    public void setActionCommand( String actionCommand )    {        this.actionCommand = actionCommand;    }    /**     * Getter for the file name associated with this object.     * @return The associated file name.     */    public String getName()    {        return iconFile.getName();    }    /**     * Adds the specified listener to receive events from this icon.     * @param listener The systray menu listener.     */    public void addSysTrayMenuListener( SysTrayMenuListener listener )    {        listeners.add( listener );    }    /**     * Removes the specified listener so that it no longer receives events from this     * menu item.     * @param listener The systray menu listener.     */    public void removeSysTrayMenuListener( SysTrayMenuListener listener )    {        listeners.remove( listener );    }    protected void fireIconLeftClicked()    {        SysTrayMenuListener listener = null;        for( int i = 0; i < listeners.size(); i++ )        {            listener = ( SysTrayMenuListener ) listeners.elementAt( i );            listener.iconLeftClicked( new SysTrayMenuEvent( this, actionCommand ) );        }    }    protected void fireIconLeftDoubleClicked()    {        SysTrayMenuListener listener = null;        for( int i = 0; i < listeners.size(); i++ )        {            listener = ( SysTrayMenuListener ) listeners.elementAt( i );            listener.iconLeftDoubleClicked( new SysTrayMenuEvent( this, actionCommand ) );        }    }    private File createTempFile( InputStream in )    {        File file = null;        byte[] buffer = new byte[ 2048 ];        try        {            file = File.createTempFile( "st4j_icon_", extension );            file.deleteOnExit();            FileOutputStream out = new FileOutputStream( file );            int read = in.read( buffer );            while( read != -1 )            {                out.write( buffer, 0, read );                read = in.read( buffer );            }            in.close();            out.close();        }        catch( IOException e ) { e.printStackTrace(); }        return file;    }}