/*
 * Copyright (c) 2005, 2024, 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
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 */

import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.KeyboardFocusManager;
import java.awt.Frame;
import java.awt.List;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.InputEvent;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import jdk.test.lib.Platform;

/*
 * @test
 * @key headful
 * @bug 6190768 6190778
 * @requires os.family != "mac"
 * @summary Tests that triggering events on AWT list by pressing CTRL + HOME,
 *          CTRL + END, PG-UP, PG-DOWN similar Motif behavior
 * @library /test/lib
 * @build jdk.test.lib.Platform
 * @run main KeyEventsTest
 */
public class KeyEventsTest {
    TestState currentState;
    final Object LOCK = new Object();
    final int ACTION_TIMEOUT = 500;

    List single;
    List multiple;

    KeyFrame keyFrame;

    static Robot r;

    public static void main(final String[] args) throws Exception {
        r = new Robot();
        KeyEventsTest app = new KeyEventsTest();
        try {
            EventQueue.invokeAndWait(app::initAndShowGui);
            r.waitForIdle();
            r.delay(500);
            app.doTest();
        } finally {
            EventQueue.invokeAndWait(() -> {
                if (app.keyFrame != null) {
                    app.keyFrame.dispose();
                }
            });
        }
    }

    class KeyFrame extends Frame implements ItemListener, FocusListener, KeyListener {
        public void itemStateChanged(ItemEvent ie) {
            System.out.println("itemStateChanged-" + ie);
            currentState.setAction(true);
        }

        public void focusGained(FocusEvent e) {
            synchronized (LOCK) {
                LOCK.notifyAll();
            }
        }

        public void focusLost(FocusEvent e) {
        }

        public void keyPressed(KeyEvent e) {
            System.out.println("keyPressed-" + e);
        }

        public void keyReleased(KeyEvent e) {
            System.out.println("keyReleased-" + e);
        }

        public void keyTyped(KeyEvent e) {
            System.out.println("keyTyped-" + e);
        }
    }

    public void initAndShowGui() {
        keyFrame = new KeyFrame();
        keyFrame.setLayout(new BorderLayout ());

        single = new List(3, false);
        multiple = new List(3, true);

        single.add("0");
        single.add("1");
        single.add("2");
        single.add("3");
        single.add("4");
        single.add("5");
        single.add("6");
        single.add("7");
        single.add("8");

        multiple.add("0");
        multiple.add("1");
        multiple.add("2");
        multiple.add("3");
        multiple.add("4");
        multiple.add("5");
        multiple.add("6");
        multiple.add("7");
        multiple.add("8");

        single.addKeyListener(keyFrame);
        single.addItemListener(keyFrame);
        single.addFocusListener(keyFrame);
        Panel p1 = new Panel();
        p1.add(single);
        keyFrame.add("North", p1);

        multiple.addKeyListener(keyFrame);
        multiple.addItemListener(keyFrame);
        multiple.addFocusListener(keyFrame);
        Panel p2 = new Panel();
        p2.add(multiple);
        keyFrame.add("South", p2);

        keyFrame.setSize(200, 200);
        keyFrame.validate();
        keyFrame.setUndecorated(true);
        keyFrame.setLocationRelativeTo(null);
        keyFrame.setVisible(true);
    }

    private void test(TestState currentState) throws Exception {
        synchronized (LOCK) {
            this.currentState = currentState;
            System.out.println(this.currentState);

            List list;
            if (currentState.getMultiple()) {
                list = multiple;
            } else {
                list = single;
            }

            r.delay(10);
            Point loc = keyFrame.getLocationOnScreen();

            r.mouseMove(loc.x + 10, loc.y + 10);
            r.mousePress(InputEvent.BUTTON1_DOWN_MASK);
            r.delay(10);
            r.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
            r.delay(10);

            list.requestFocusInWindow();
            LOCK.wait(ACTION_TIMEOUT);
            r.waitForIdle();

            if (KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner() != list){
                throw new RuntimeException("Test failed - list isn't focus owner.");
            }

            EventQueue.invokeAndWait(() -> {
                list.deselect(0);
                list.deselect(1);
                list.deselect(2);
                list.deselect(3);
                list.deselect(4);
                list.deselect(5);
                list.deselect(6);
                list.deselect(7);
                list.deselect(8);

                int selectIndex = 0;
                int visibleIndex = 0;

                if (currentState.getScrollMoved()) {
                    if (currentState.getKeyID() == KeyEvent.VK_PAGE_UP ||
                            currentState.getKeyID() == KeyEvent.VK_HOME) {
                        selectIndex = 8;
                        visibleIndex = 8;
                    } else if (currentState.getKeyID() == KeyEvent.VK_PAGE_DOWN ||
                            currentState.getKeyID() == KeyEvent.VK_END) {
                        selectIndex = 0;
                        visibleIndex = 0;
                    }
                } else {
                    if (currentState.getKeyID() == KeyEvent.VK_PAGE_UP ||
                            currentState.getKeyID() == KeyEvent.VK_HOME) {
                        if (currentState.getSelectedMoved()) {
                            selectIndex = 1;
                        } else {
                            selectIndex = 0;
                        }
                        visibleIndex = 0;
                    } else if (currentState.getKeyID() == KeyEvent.VK_PAGE_DOWN ||
                            currentState.getKeyID() == KeyEvent.VK_END) {
                        if (currentState.getSelectedMoved()) {
                            selectIndex = 7;
                        } else {
                            selectIndex = 8;
                        }
                        visibleIndex = 8;
                    }
                }
                list.select(selectIndex);
                list.makeVisible(visibleIndex);
            });

            r.delay(10);
            r.waitForIdle();

            if (currentState.getKeyID() == KeyEvent.VK_HOME ||
                currentState.getKeyID() == KeyEvent.VK_END){
                r.keyPress(KeyEvent.VK_CONTROL);
            }

            r.delay(10);
            r.keyPress(currentState.getKeyID());
            r.delay(10);
            r.keyRelease(currentState.getKeyID());
            r.delay(10);

            if (currentState.getKeyID() == KeyEvent.VK_HOME ||
                currentState.getKeyID() == KeyEvent.VK_END){
                r.keyRelease(KeyEvent.VK_CONTROL);
            }

            r.waitForIdle();
            r.delay(200);

            if (currentState.getTemplate() != currentState.getAction())
                throw new RuntimeException("Test failed.");

        }
    }

    private void doTest() throws Exception {

        boolean isWin = Platform.isWindows();

        System.out.println("multiple? selectedMoved? ?scrollMoved keyID? template? action?");
        test(new TestState(false, false, false, KeyEvent.VK_PAGE_UP, isWin?false:false));
        // SelectedMoved (false) != ScrollMoved (true) for single list not emulated
        test(new TestState(false, true, false, KeyEvent.VK_PAGE_UP, isWin?true:false));
        test(new TestState(false, true, true, KeyEvent.VK_PAGE_UP, isWin?true:true));
        test(new TestState(true, false, false, KeyEvent.VK_PAGE_UP, isWin?true:false));
        test(new TestState(true, false, true, KeyEvent.VK_PAGE_UP, isWin?true:false));
        test(new TestState(true, true, false, KeyEvent.VK_PAGE_UP, isWin?true:false));
        test(new TestState(true, true, true, KeyEvent.VK_PAGE_UP, isWin?true:false));

        test(new TestState(false, false, false, KeyEvent.VK_PAGE_DOWN, isWin?false:false));
        test(new TestState(false, true, false, KeyEvent.VK_PAGE_DOWN, isWin?true:false));
        test(new TestState(false, true, true, KeyEvent.VK_PAGE_DOWN, isWin?true:true));
        test(new TestState(true, false, false, KeyEvent.VK_PAGE_DOWN, isWin?true:false));
        test(new TestState(true, false, true, KeyEvent.VK_PAGE_DOWN, isWin?true:false));
        test(new TestState(true, true, false, KeyEvent.VK_PAGE_DOWN, isWin?true:false));
        test(new TestState(true, true, true, KeyEvent.VK_PAGE_DOWN, isWin?true:false));

        test(new TestState(false, false, false, KeyEvent.VK_HOME, isWin?false:true));
        test(new TestState(false, true, false, KeyEvent.VK_HOME, isWin?true:true));
        test(new TestState(false, true, true, KeyEvent.VK_HOME, isWin?true:true));
        test(new TestState(true, false, false, KeyEvent.VK_HOME, isWin?true:false));
        test(new TestState(true, false, true, KeyEvent.VK_HOME, isWin?true:false));
        test(new TestState(true, true, false, KeyEvent.VK_HOME, isWin?true:false));
        test(new TestState(true, true, true, KeyEvent.VK_HOME, isWin?true:false));

        test(new TestState(false, false, false, KeyEvent.VK_END, isWin?false:true));
        test(new TestState(false, true, false, KeyEvent.VK_END, isWin?true:true));
        test(new TestState(false, true, true, KeyEvent.VK_END, isWin?true:true));
        test(new TestState(true, false, false, KeyEvent.VK_END, isWin?true:false));
        test(new TestState(true, false, true, KeyEvent.VK_END, isWin?true:false));
        test(new TestState(true, true, false, KeyEvent.VK_END, isWin?true:false));
        test(new TestState(true, true, true, KeyEvent.VK_END, isWin?true:false));

    }
}// class KeyEventsTest

class TestState {

    private final boolean multiple;
    // after key pressing selected item moved
    private final boolean selectedMoved;
    // after key pressing scroll moved
    private final boolean scrollMoved;
    private final int keyID;
    private final boolean template;
    private boolean action;

    public TestState(boolean multiple, boolean selectedMoved, boolean scrollMoved, int keyID, boolean template){
        this.multiple = multiple;
        this.selectedMoved = selectedMoved;
        this.scrollMoved = scrollMoved;
        this.keyID = keyID;
        this.template = template;
        this.action = false;
    }

    public boolean getMultiple(){
        return multiple;
    }
    public boolean getSelectedMoved(){
        return selectedMoved;
    }

    public boolean getScrollMoved(){
        return scrollMoved;
    }

    public int getKeyID(){
        return keyID;
    }

    public boolean getTemplate(){
        return template;
    }

    public boolean getAction(){
        return action;
    }

    public void setAction(boolean action){
        this.action = action;
    }

    public String toString(){
        return multiple + "," + selectedMoved + "," + scrollMoved + "," + keyID + "," + template + "," + action;
    }
}// TestState