From 33137ed3971c9bb5ef33339e384b02c39cc46594 Mon Sep 17 00:00:00 2001
From: mbirth <mbirth>
Date: Thu, 9 Dec 2004 23:29:26 +0000
Subject: [PATCH] i Committed icon and Symbian packages

---
 com/symbian/devnet/util/TaskSwitch.java | 176 ++++++++++++++++++++++++
 icon/20x16.bmp                          | Bin 0 -> 1000 bytes
 icon/20x16m.bmp                         | Bin 0 -> 126 bytes
 icon/32x32.bmp                          | Bin 0 -> 1940 bytes
 icon/32x32m.bmp                         | Bin 0 -> 192 bytes
 5 files changed, 176 insertions(+)
 create mode 100644 com/symbian/devnet/util/TaskSwitch.java
 create mode 100644 icon/20x16.bmp
 create mode 100644 icon/20x16m.bmp
 create mode 100644 icon/32x32.bmp
 create mode 100644 icon/32x32m.bmp

diff --git a/com/symbian/devnet/util/TaskSwitch.java b/com/symbian/devnet/util/TaskSwitch.java
new file mode 100644
index 0000000..5838b9e
--- /dev/null
+++ b/com/symbian/devnet/util/TaskSwitch.java
@@ -0,0 +1,176 @@
+// TaskSwitch.java
+package com.symbian.devnet.util;
+
+/**
+ * Brings together four public utility methods giving Java applications 
+ * access to non-AWT visual components provided by the EPOC system.
+ * @version 1.2
+ * @author Copyright (c) 1998-1999 Symbian Ltd.  All rights reserved.
+ */
+		
+public class TaskSwitch   
+{
+	/** 
+	 * Loads the taskswitch1 library from epoc32\\release\\wins\\udeb using
+	 * a debug build or epoc32\\release\\wins\\urel using a release build.	 
+	 */
+	static {System.loadLibrary("taskswitch1");}
+
+	/** EPOC error code */
+	private static final int KErrNone = 0;      
+	/** EPOC error code */
+	private static final int KErrNotFound = -1;	
+	/** The int for defining the error code returned */
+	private static int err;
+	/** Represents the current version number */ 
+	private static final String VERSION_NUMBER = new String("1.2");
+		
+	/** Represents the native method DisplayTaskList defined in taskswitch1 */
+	private static native int DisplayTaskList();
+	/** Represents the native method TaskToForeground defined in taskswitch1 */
+	private static native int TaskToForeground(String caption);
+	/** Represents the native method InfoPrint defined in taskswitch1 */
+	private static native int InfoPrint(String text);
+	/** Represents the native method Notify defined in taskswitch1 */
+	private static native int Notify(String line1, String line2, String but1, String but2);
+	/** Represents the native method IsForeground defined in taskswitch1 */
+	private static native int IsForeground(String caption);
+
+	/** Private constructor, should not be used because all methods are static. */
+	private TaskSwitch() 
+	{}
+	
+	/** 
+	 * Gets the current TaskSwitch version number
+	 * @return VERSION_NUMBER, the current version number
+	 */
+	public static String getVersion()
+	{
+		return VERSION_NUMBER;
+	}
+	
+	/** 
+	 * Allows the "Open files / programs" dialog to be launched from 
+	 * within Java code. As this dialog is not intended for display to end users of
+	 * Quartz devices, developers should not use this method in Quartz Java programs 
+	 * other than for testing or debugging purposes.
+	 * <P>
+	 * @exception NotFoundException if the Eikon window group is not found
+	 * @throws RuntimeException if any other error condition arises in native code 
+	 */
+	public static void displayTaskList() throws NotFoundException
+	{
+		err = DisplayTaskList();
+		if (err != 0) 
+		{
+			handleWgError(err);
+		}
+	}
+	
+	/** 
+	 * Allows the Java app to find out if it is currently in the foreground. To do 
+	 * this it relies on the fact that the Java app's window group (if it has one) 
+	 * will always be given by the com.symbian.appName system property
+	 * <P>
+	 * @exception NotFoundException if the window group associated with the Java app
+	 * name is not found
+	 * @throws RuntimeException if any other error condition arises in native code 
+	 */
+	public static boolean isForeground() throws NotFoundException
+	{
+		int result = IsForeground(System.getProperty("com.symbian.appName"));
+		if (result < 0) 
+		{
+			handleWgError(result); // throws an Exception
+		}
+		if (result == 0)
+		{
+			return false;
+		}
+		else
+		{
+			return true;
+		}
+	}
+
+	
+	/**
+	 * Brings to the foreground the window group for the app with a given caption.
+	 * @param caption the task to bring to the foreground
+	 * @exception NotFoundException if the window group with the caption specified
+	 * is not found
+	 * @throws RuntimeException if any other error condition arises in native code 
+	 */
+	
+	public static void taskToForeground(String caption) throws NotFoundException
+	{
+		err = TaskToForeground(caption);
+		if(err != 0) 
+		{
+			handleWgError(err);
+		}
+	}
+		
+	/**
+	 * Displays the string "text" as an info message in the top right hand corner 
+	 * of the screen for a few seconds. The rest of the screen remains responsive 
+	 * to user input.
+	 * @param text the text which is displayed in the InfoPrint box
+	 * @throws RuntimeException if any error condition arises in native code 
+	 */		
+	public static void infoPrint(String text)
+	{
+		err = InfoPrint(text);
+		if(err != KErrNone) 
+		{
+			throw(new RuntimeException("InfoPrint failed. EPOC error code was: " + err));
+		}
+	}
+	
+	/**
+	 * Displays a modal dialog asking the user for a confirmation. 
+	 * @param line1 the title displayed in the dialog box
+	 * @param line2 the question to be answered
+	 * @param but1 the text for the negative response button
+	 * @param but2 the text for the positive response button
+	 * @return 0 for a "no" and 1 for a "yes"
+	 * @throws RuntimeException if any error condition arises in native code 	 
+	 */
+	public static int notify(String line1, String line2, String but1, String but2)
+	{
+		int ret = Notify(line1, line2, but1, but2); 
+		if (ret < 0) 
+		{
+			throw(new RuntimeException("Notify failed. EPOC error code was: " + ret));
+		}
+		else
+		{
+			return ret;
+		}
+	
+	}	
+
+
+	/**
+	 * <p>Handles EPOC errors arising while attempting to locate non-Java window groups. 
+	 * Called by {@link #displayTaskList() displayTaskList},
+	 * {@link #isForeground() isForeground} and {@link #taskToForeground(java.lang.String) taskToForeground} 
+	 * in response to EPOC error codes other than <code>KErrNone = 0</code>.</p>
+	 * <p>A {@link com.symbian.devnet.util.NotFoundException NotFoundException}
+	 * is thrown in response to EPOC error <code>KErrNotFound = -1</code>. 
+	 * A <code>RuntimeException</code>, specifying the EPOC error code in its detail message 
+	 * string, is thrown in all other cases.</p>
+	 * @param errCode the error code returned in the calling function
+	 */
+	protected static void handleWgError(int errCode) throws NotFoundException
+	{
+		if (errCode == KErrNotFound)
+		{
+			throw(new NotFoundException("Window group not found"));
+		}
+		else 
+		{
+			throw(new RuntimeException("Unexpected EPOC Exception. Error code was: " + errCode));
+		}
+	}	
+}
\ No newline at end of file
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