/*
 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
  @test
  @bug       6187066
  @summary   Tests the Window.autoRequestFocus property for the Window.toFront() method.
  @author    anton.tarasov: area=awt.focus
  @library    ../../regtesthelpers
  @build      Util
  @run       main AutoRequestFocusToFrontTest
*/

import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.util.concurrent.atomic.AtomicBoolean;
import java.lang.reflect.InvocationTargetException;
import test.java.awt.regtesthelpers.Util;

public class AutoRequestFocusToFrontTest extends Applet {
    static boolean haveDelays;

    static Frame auxFrame;
    static Frame frame;
    static Button frameButton;
    static Frame frame2;
    static Button frameButton2;
    static Frame frame3;
    static Button frameButton3;
    static Window window;
    static Button winButton;
    static Dialog dialog;
    static Button dlgButton;
    static Window ownedWindow;
    static Button ownWinButton;
    static Dialog ownedDialog;
    static Button ownDlgButton;
    static Dialog modalDialog;
    static Button modalDlgButton;

    static String toolkitClassName;
    static Robot robot = Util.createRobot();

    public static void main(String[] args) {

        if (args.length != 0) {
            haveDelays = "delay".equals(args[0]) ? true : false;
        }

        AutoRequestFocusToFrontTest app = new AutoRequestFocusToFrontTest();
        app.init();
        app.start();
    }

    public void init() {
        // Create instructions for the user here, as well as set up
        // the environment -- set the layout manager, add buttons,
        // etc.
        this.setLayout (new BorderLayout ());
        Sysout.createDialogWithInstructions(new String[]
            {"This is an automatic test. Simply wait until it is done."
            });
        toolkitClassName = Toolkit.getDefaultToolkit().getClass().getName();
    }

    static void recreateGUI() {
        if (auxFrame != null) {
            auxFrame.dispose();
            frame.dispose();
            frame2.dispose();
            frame3.dispose();
            window.dispose();
            dialog.dispose();
            ownedWindow.dispose();
            ownedDialog.dispose();
            modalDialog.dispose();
        }

        auxFrame = new Frame("Auxiliary Frame");

        frame = new Frame("Test Frame");
        frameButton = new Button("button");

        frame2 = new Frame("Test Frame 2");
        frameButton2 = new Button("button");

        frame3 = new Frame("Test Frame 3");
        frameButton3 = new Button("button");

        window = new Window(null);
        winButton = new Button("button");
        dialog = new Dialog((Frame)null, "Test Dialog");
        dlgButton = new Button("button");

        ownedWindow = new Window(frame);
        ownWinButton = new Button("button");

        ownedDialog = new Dialog(frame2, "Test Owned Dialog");
        ownDlgButton = new Button("button");

        modalDialog = new Dialog(frame3, "Test Modal Dialog");
        modalDlgButton = new Button("button");

        auxFrame.setBounds(100, 100, 300, 300);

        frame.setBounds(120, 120, 260, 260);
        frame.add(frameButton);

        frame2.setBounds(120, 120, 260, 260);
        frame2.add(frameButton2);

        frame3.setBounds(120, 120, 260, 260);
        frame3.add(frameButton3);

        window.setBounds(120, 120, 260, 260);
        window.add(winButton);

        dialog.setBounds(120, 120, 260, 260);
        dialog.add(dlgButton);

        ownedWindow.setBounds(140, 140, 220, 220);
        ownedWindow.add(ownWinButton);

        ownedDialog.setBounds(140, 140, 220, 220);
        ownedDialog.add(ownDlgButton);

        modalDialog.setBounds(140, 140, 220, 220);
        modalDialog.add(modalDlgButton);
        modalDialog.setModal(true);
    }

    public void start() {
        // 1. Simple Frame.
        //////////////////

        recreateGUI();
        Test.setWindows(frame, null, null);
        Test.test("Test stage 1 in progress", frameButton);


        // 2. Ownerless Window.
        //////////////////////

        recreateGUI();
        Test.setWindows(window, null, null);
        Test.test("Test stage 2 in progress", winButton);


        // 3. Ownerless Dialog.
        //////////////////////

        recreateGUI();
        Test.setWindows(dialog, null, null);
        Test.test("Test stage 3 in progress", dlgButton);


        // 4.1. Owner Frame (with owned Window).
        ///////////////////////////////////////

        recreateGUI();
        Test.setWindows(frame, null, new Window[] {ownedWindow, frame});
        Test.test("Test stage 4.1 in progress", ownWinButton);


        // 4.2. Owned Window (with owner Frame).
        ///////////////////////////////////////

        recreateGUI();
        Test.setWindows(ownedWindow, null, new Window[] {ownedWindow, frame});
        Test.test("Test stage 4.2 in progress", ownWinButton);


        // 5.1. Owner Frame (with owned Dialog).
        ///////////////////////////////////////

        recreateGUI();
        Test.setWindows(frame2, null, new Window[] {ownedDialog, frame2});
        Test.test("Test stage 5.1 in progress", ownDlgButton);


        // 5.2. Owned Dialog (with owner Frame).
        ///////////////////////////////////////

        recreateGUI();
        Test.setWindows(ownedDialog, null, new Window[] {ownedDialog, frame2});
        Test.test("Test stage 5.2 in progress", ownDlgButton);


        ////////////////////////////////////////////////
        // 6.1. Owned modal Dialog (with owner Frame).
        //      Focused frame is excluded from modality.
        ////////////////////////////////////////////////

        if (!"sun.awt.motif.MToolkit".equals(toolkitClassName)) {
            recreateGUI();
            auxFrame.setModalExclusionType(Dialog.ModalExclusionType.APPLICATION_EXCLUDE);

            Test.setWindows(modalDialog, modalDialog, new Window[] {modalDialog, frame3});
            Test.test("Test stage 6.1 in progress", modalDlgButton);
        }


        // 6.2. Owner Frame (with owned modal Dialog).
        //      Focused frame is excluded from modality.
        ////////////////////////////////////////////////

        if (!"sun.awt.motif.MToolkit".equals(toolkitClassName)) {
            recreateGUI();
            auxFrame.setModalExclusionType(Dialog.ModalExclusionType.APPLICATION_EXCLUDE);

            Test.setWindows(frame3, modalDialog, new Window[] {modalDialog, frame3});
            Test.test("Test stage 6.2 in progress", modalDlgButton, true);
        }

        ///////////////////////////////////////////////////
        // 7. Calling setVisible(true) for the shown Frame.
        ///////////////////////////////////////////////////

        recreateGUI();
        Test.setWindows(frame, null, null);
        Test.setTestSetVisible();
        Test.test("Test stage 7 in progress", frameButton);


        Sysout.println("Test passed.");
    }

    static class Test {
        static Window testWindow; // a window to move to front with autoRequestFocus set
        static Window focusWindow; // a window to gain focus
        static Window[] showWindows; // windows to show, or null if only testWindow should be shown

        static boolean testSetVisible;

        static void setWindows(Window _testWindow, Window _focusWindow, Window[] _showWindows) {
            testWindow = _testWindow;
            focusWindow = _focusWindow;
            showWindows = _showWindows;
        }
        static void setTestSetVisible() {
            testSetVisible = true;
        }

        /*
         * @param msg notifies test stage number
         * @param testButton a button of the window (owner or owned) that is to be on the top of stack order
         * @param shouldFocusChange true for modal dialogs
         */
        static void test(String msg, final Button testButton, boolean shouldFocusChange) {
            Sysout.println(msg);

            showWindows(testWindow, showWindows, true);

            pause(100);

            /////////////////////////////////////////////////////////
            // Test that calling toFront() doesn't cause focus change
            // when 'autoRequestFocus' is false.
            /////////////////////////////////////////////////////////

            Runnable action = new Runnable() {
                    public void run() {
                        testWindow.setAutoRequestFocus(false);
                        if (testSetVisible) {
                            setVisible(testWindow, true);
                        } else {
                            toFront(testWindow);
                        }
                    }
                };

            if (shouldFocusChange) {
                action.run();
                Util.waitForIdle(robot);
                if (!focusWindow.isFocused()) {
                    throw new TestFailedException("the window must gain focus on moving to front but it didn't!");
                }
            } else if (TestHelper.trackFocusChangeFor(action, robot)) {
                throw new TestFailedException("the window shouldn't gain focus on moving to front but it did!");
            }

            pause(100);

            ///////////////////////////////////////////////////////
            // Test that the window (or its owned window) is on top.
            ///////////////////////////////////////////////////////

            // The latest versions of Metacity (e.g. 2.16) have problems with moving a window to the front.
            if (Util.getWMID() != Util.METACITY_WM) {

                boolean performed = Util.trackActionPerformed(testButton, new Runnable() {
                        public void run() {
                            Util.clickOnComp(testButton, robot);
                        }
                    }, 1000, false);

                if (!performed) {
                    // For the case when the robot failed to trigger ACTION_EVENT.
                    Sysout.println("(ACTION_EVENT was not generated. One more attemp.)");
                    performed = Util.trackActionPerformed(testButton, new Runnable() {
                            public void run() {
                                Util.clickOnComp(testButton, robot);
                            }
                        }, 1000, false);
                    if (!performed) {
                        throw new TestFailedException("the window moved to front is not on the top!");
                    }
                }
            }

            showWindows(testWindow, showWindows, false);


            /////////////////////////////////////////////////
            // Test that calling toFront() focuses the window
            // when 'autoRequestFocus' is true.
            /////////////////////////////////////////////////

            // Skip this stage for unfocusable window
            if (!testWindow.isFocusableWindow()) {
                return;
            }

            showWindows(testWindow, showWindows, true);

            pause(100);

            boolean gained = Util.trackWindowGainedFocus(testWindow, new Runnable() {
                    public void run() {
                        testWindow.setAutoRequestFocus(true);
                        if (testSetVisible) {
                            setVisible(testWindow, true);
                        } else {
                            toFront(testWindow);
                        }
                    }
                }, 1000, false);

            // Either the window or its owned window must be focused
            if (!gained && !testButton.hasFocus()) {
                throw new TestFailedException("the window should gain focus automatically but it didn't!");
            }

            showWindows(testWindow, showWindows, false);
        }

        static void test(String msg, Button testButton) {
            test(msg, testButton, false);
        }

        private static void showWindows(Window win, Window[] wins, final boolean visible) {
            pause(100);

            if (wins == null) {
                wins = new Window[] {win}; // operate with 'win'
            }
            for (final Window w: wins) {
                if (visible) {
                    if ((w instanceof Dialog) && ((Dialog)w).isModal()) {
                        TestHelper.invokeLaterAndWait(new Runnable() {
                                public void run() {
                                    w.setVisible(true);
                                }
                            }, robot);
                    } else {
                        setVisible(w, true);
                    }
                } else {
                    w.dispose();
                }
            }
            setVisible(auxFrame, visible);

            if (visible) {
                if (!auxFrame.isFocused()) {
                    Util.clickOnTitle(auxFrame, robot);
                    Util.waitForIdle(robot);
                    if (!auxFrame.isFocused()) {
                        throw new Error("Test error: the frame couldn't be focused.");
                    }
                }
            }
        }
    }

    private static void setVisible(Window w, boolean b) {
        w.setVisible(b);
        try {
            Util.waitForIdle(robot);
        } catch (RuntimeException rte) { // InfiniteLoop
            rte.printStackTrace();
        }
        robot.delay(200);
    }

    private static void toFront(Window w) {
        w.toFront();
        Util.waitForIdle(robot);
        robot.delay(200);
    }

    private static void pause(int msec) {
        if (haveDelays) {
            robot.delay(msec);
        }
    }
}

class TestFailedException extends RuntimeException {
    TestFailedException(String msg) {
        super("Test failed: " + msg);
    }
}

/****************************************************
 Standard Test Machinery
 DO NOT modify anything below -- it's a standard
  chunk of code whose purpose is to make user
  interaction uniform, and thereby make it simpler
  to read and understand someone else's test.
 ****************************************************/

/**
 This is part of the standard test machinery.
 It creates a dialog (with the instructions), and is the interface
  for sending text messages to the user.
 To print the instructions, send an array of strings to Sysout.createDialog
  WithInstructions method.  Put one line of instructions per array entry.
 To display a message for the tester to see, simply call Sysout.println
  with the string to be displayed.
 This mimics System.out.println but works within the test harness as well
  as standalone.
 */

class Sysout
{
    static TestDialog dialog;

    public static void createDialogWithInstructions( String[] instructions )
    {
        dialog = new TestDialog( new Frame(), "Instructions" );
        dialog.printInstructions( instructions );
//        dialog.setVisible(true);
        println( "Any messages for the tester will display here." );
    }

    public static void createDialog( )
    {
        dialog = new TestDialog( new Frame(), "Instructions" );
        String[] defInstr = { "Instructions will appear here. ", "" } ;
        dialog.printInstructions( defInstr );
//        dialog.setVisible(true);
        println( "Any messages for the tester will display here." );
    }


    public static void printInstructions( String[] instructions )
    {
        dialog.printInstructions( instructions );
    }


    public static void println( String messageIn )
    {
        dialog.displayMessage( messageIn );
    }

}// Sysout  class

/**
  This is part of the standard test machinery.  It provides a place for the
   test instructions to be displayed, and a place for interactive messages
   to the user to be displayed.
  To have the test instructions displayed, see Sysout.
  To have a message to the user be displayed, see Sysout.
  Do not call anything in this dialog directly.
  */
class TestDialog extends Dialog
{

    TextArea instructionsText;
    TextArea messageText;
    int maxStringLength = 80;

    //DO NOT call this directly, go through Sysout
    public TestDialog( Frame frame, String name )
    {
        super( frame, name );
        int scrollBoth = TextArea.SCROLLBARS_BOTH;
        instructionsText = new TextArea( "", 15, maxStringLength, scrollBoth );
        add( "North", instructionsText );

        messageText = new TextArea( "", 5, maxStringLength, scrollBoth );
        add("Center", messageText);

        pack();

//        setVisible(true);
    }// TestDialog()

    //DO NOT call this directly, go through Sysout
    public void printInstructions( String[] instructions )
    {
        //Clear out any current instructions
        instructionsText.setText( "" );

        //Go down array of instruction strings

        String printStr, remainingStr;
        for( int i=0; i < instructions.length; i++ )
        {
            //chop up each into pieces maxSringLength long
            remainingStr = instructions[ i ];
            while( remainingStr.length() > 0 )
            {
                //if longer than max then chop off first max chars to print
                if( remainingStr.length() >= maxStringLength )
                {
                    //Try to chop on a word boundary
                    int posOfSpace = remainingStr.
                        lastIndexOf( ' ', maxStringLength - 1 );

                    if( posOfSpace <= 0 ) posOfSpace = maxStringLength - 1;

                    printStr = remainingStr.substring( 0, posOfSpace + 1 );
                    remainingStr = remainingStr.substring( posOfSpace + 1 );
                }
                //else just print
                else
                {
                    printStr = remainingStr;
                    remainingStr = "";
                }

                instructionsText.append( printStr + "\n" );

            }// while

        }// for

    }//printInstructions()

    //DO NOT call this directly, go through Sysout
    public void displayMessage( String messageIn )
    {
        messageText.append( messageIn + "\n" );
        System.out.println(messageIn);
    }

}// TestDialog  class