Revert "Moved accessibility shortcut handling to server-side. [#14843]"

This reverts commit e88f71dd6d1d7634e3a90a7e53859ff6dc028e21.

Conflicts:
	WebContent/release-notes.html
	uitest/src/com/vaadin/tests/components/window/CloseShortcutTest.java

Change-Id: I1d4ed60ec4a194f6ed18fa5506134ef3a185a6cf

5 files changed, 14 insertions, 467 deletions

diff --git a/client/src/com/vaadin/client/ui/VWindow.java b/client/src/com/vaadin/client/ui/VWindow.java
index 501dedbaa8..6977cf9e7f 100644
--- a/client/src/com/vaadin/client/ui/VWindow.java
+++ b/client/src/com/vaadin/client/ui/VWindow.java
@@ -1338,7 +1338,9 @@ public class VWindow extends VOverlay implements ShortcutActionHandlerOwner,
 
     @Override
     public void onKeyUp(KeyUpEvent event) {
-        // do nothing
+        if (isClosable() && event.getNativeKeyCode() == KeyCodes.KEY_ESCAPE) {
+            onCloseClick();
+        }
     }
 
     @Override
diff --git a/server/src/com/vaadin/event/ShortcutAction.java b/server/src/com/vaadin/event/ShortcutAction.java
index 32b909e9f2..09accae1c7 100644
--- a/server/src/com/vaadin/event/ShortcutAction.java
+++ b/server/src/com/vaadin/event/ShortcutAction.java
@@ -17,8 +17,6 @@
 package com.vaadin.event;
 
 import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -239,42 +237,6 @@ public class ShortcutAction extends Action {
     }
 
     /**
-     * Checks whether the shortcut can be triggered with the given combination
-     * of keys.
-     * 
-     * @param keyCode
-     *            potential match for the {@link KeyCode} that this shortcut
-     *            reacts to
-     * @param modifierKeys
-     *            (optional) potential matches for the {@link ModifierKey}s
-     *            required for this shortcut to react
-     * @return <code>true</code> if keyCode and modifierKeys are a match,
-     *         <code>false</code> otherwise
-     */
-    public boolean isTriggeredBy(int keyCode, int... modifierKeys) {
-        boolean result = false;
-        if (keyCode == this.keyCode) {
-            if (modifierKeys == null) {
-                result = (modifiers == null);
-            } else if (modifiers != null) {
-                List<Integer> modifierList = new ArrayList<Integer>();
-                for (int modifier : modifiers) {
-                    modifierList.add(modifier);
-                }
-                for (int modifierKey : modifierKeys) {
-                    if (modifierList.contains(modifierKey)) {
-                        modifierList.remove(modifierKey);
-                    } else {
-                        return false;
-                    }
-                }
-                result = modifierList.isEmpty();
-            }
-        }
-        return result;
-    }
-
-    /**
      * Key codes that can be used for shortcuts
      * 
      */
diff --git a/server/src/com/vaadin/ui/Window.java b/server/src/com/vaadin/ui/Window.java
index 653b620746..35583c6052 100644
--- a/server/src/com/vaadin/ui/Window.java
+++ b/server/src/com/vaadin/ui/Window.java
@@ -18,9 +18,6 @@ package com.vaadin.ui;
 
 import java.io.Serializable;
 import java.lang.reflect.Method;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.LinkedHashSet;
 import java.util.Map;
 
 import com.vaadin.event.FieldEvents.BlurEvent;
@@ -123,7 +120,6 @@ public class Window extends Panel implements FocusNotifier, BlurNotifier,
         super(caption, content);
         registerRpc(rpc);
         setSizeUndefined();
-        setCloseShortcut(ShortcutAction.KeyCode.ESCAPE);
     }
 
     /* ********************************************************************* */
@@ -810,48 +806,14 @@ public class Window extends Panel implements FocusNotifier, BlurNotifier,
     /*
      * Actions
      */
-    private LinkedHashSet<CloseShortcut> closeShortcuts = new LinkedHashSet<CloseShortcut>();
-
-    protected Collection<CloseShortcut> getCloseShortcuts() {
-        return Collections.unmodifiableCollection(closeShortcuts);
-    }
-
-    /**
-     * Adds a keyboard shortcut for closing the window when user presses the
-     * given {@link KeyCode} and (optional) {@link ModifierKey}s.<br/>
-     * Note that this shortcut only reacts while the window has focus, closing
-     * itself - if you want to close a window from a UI, use
-     * {@link UI#addAction(com.vaadin.event.Action)} of the UI instead.
-     * <p>
-     * If there is a prior CloseShortcut with the same keycode and modifiers,
-     * that gets removed before the new one is added. Prior CloseShortcuts with
-     * differing keycodes or modifiers are not affected.
-     * 
-     * @param keyCode
-     *            the keycode for invoking the shortcut
-     * @param modifiers
-     *            the (optional) modifiers for invoking the shortcut, null for
-     *            none
-     */
-    public void addCloseShortcut(int keyCode, int... modifiers) {
-        // make sure there are no duplicates
-        removeCloseShortcut(keyCode, modifiers);
-        CloseShortcut closeShortcut = new CloseShortcut(this, keyCode,
-                modifiers);
-        closeShortcuts.add(closeShortcut);
-        addAction(closeShortcut);
-    }
+    protected CloseShortcut closeShortcut;
 
     /**
-     * Sets the keyboard shortcut for closing the window when user presses the
-     * given {@link KeyCode} and (optional) {@link ModifierKey}s.<br/>
+     * Makes is possible to close the window by pressing the given
+     * {@link KeyCode} and (optional) {@link ModifierKey}s.<br/>
      * Note that this shortcut only reacts while the window has focus, closing
      * itself - if you want to close a window from a UI, use
      * {@link UI#addAction(com.vaadin.event.Action)} of the UI instead.
-     * <p>
-     * If there are any prior CloseShortcuts when this method is called those
-     * get removed before the new one is added. <b>NOTE: this also removes the
-     * default shortcut that is added for accessibility purposes.</b>
      * 
      * @param keyCode
      *            the keycode for invoking the shortcut
@@ -860,61 +822,22 @@ public class Window extends Panel implements FocusNotifier, BlurNotifier,
      *            none
      */
     public void setCloseShortcut(int keyCode, int... modifiers) {
-        removeCloseShortcuts();
-        addCloseShortcut(keyCode, modifiers);
-    }
-
-    /**
-     * Removes a keyboard shortcut previously set with
-     * {@link #setCloseShortcut(int, int...)} or
-     * {@link #addCloseShortcut(int, int...)}.
-     * 
-     * @param keyCode
-     *            the keycode for invoking the shortcut
-     * @param modifiers
-     *            the (optional) modifiers for invoking the shortcut, null for
-     *            none
-     */
-    public void removeCloseShortcut(int keyCode, int... modifiers) {
-        for (CloseShortcut closeShortcut : closeShortcuts) {
-            if (closeShortcut.isTriggeredBy(keyCode, modifiers)) {
-                removeAction(closeShortcut);
-                closeShortcuts.remove(closeShortcut);
-                break;
-            }
+        if (closeShortcut != null) {
+            removeAction(closeShortcut);
         }
+        closeShortcut = new CloseShortcut(this, keyCode, modifiers);
+        addAction(closeShortcut);
     }
 
     /**
-     * @deprecated use {@link #resetCloseShortcuts()} instead, or
-     *             {@link #removeCloseShortcuts()} if you also want to get rid
-     *             of the default shortcut
+     * Removes the keyboard shortcut previously set with
+     * {@link #setCloseShortcut(int, int...)}.
      */
-    @Deprecated
     public void removeCloseShortcut() {
-        resetCloseShortcuts();
-    }
-
-    /**
-     * Removes all the keyboard shortcuts previously set with
-     * {@link #setCloseShortcut(int, int...)} or
-     * {@link #addCloseShortcut(int, int...)} and re-adds the default shortcut
-     * {@link KeyCode.ESCAPE}.
-     */
-    public void resetCloseShortcuts() {
-        setCloseShortcut(ShortcutAction.KeyCode.ESCAPE);
-    }
-
-    /**
-     * Removes all the keyboard shortcuts previously set with
-     * {@link #setCloseShortcut(int, int...)} or
-     * {@link #addCloseShortcut(int, int...)}.
-     */
-    public void removeCloseShortcuts() {
-        for (CloseShortcut closeShortcut : closeShortcuts) {
+        if (closeShortcut != null) {
             removeAction(closeShortcut);
+            closeShortcut = null;
         }
-        closeShortcuts.clear();
     }
 
     /**
diff --git a/uitest/src/com/vaadin/tests/components/window/CloseShortcut.java b/uitest/src/com/vaadin/tests/components/window/CloseShortcut.java
deleted file mode 100644
index c7499134e0..0000000000
--- a/uitest/src/com/vaadin/tests/components/window/CloseShortcut.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright 2000-2014 Vaadin Ltd.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.vaadin.tests.components.window;
-
-import com.vaadin.data.Property;
-import com.vaadin.data.Property.ValueChangeEvent;
-import com.vaadin.event.ShortcutAction.KeyCode;
-import com.vaadin.event.ShortcutAction.ModifierKey;
-import com.vaadin.server.VaadinRequest;
-import com.vaadin.tests.components.AbstractTestUI;
-import com.vaadin.ui.Button;
-import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.CheckBox;
-import com.vaadin.ui.TextField;
-import com.vaadin.ui.VerticalLayout;
-import com.vaadin.ui.Window;
-
-/**
- * Tests close shortcuts for Window.
- * 
- * @author Vaadin Ltd
- */
-public class CloseShortcut extends AbstractTestUI {
-
-    @Override
-    protected void setup(VaadinRequest request) {
-        final Window w = new Window();
-        w.setWidth("300px");
-        w.setHeight("300px");
-        w.center();
-        addWindow(w);
-        w.focus();
-
-        // add textfield to the window to give TestBench something to send the
-        // keys to
-        VerticalLayout content = new VerticalLayout();
-        content.setMargin(true);
-        TextField textField = new TextField();
-        textField.setSizeFull();
-        content.addComponent(textField);
-        w.setContent(content);
-
-        final CheckBox cbDefault = new CheckBox("Use default (ESC) shortcut");
-        cbDefault.setId("default");
-        addComponent(cbDefault);
-        final CheckBox cbOther = new CheckBox("Use R shortcut");
-        cbOther.setId("other");
-        addComponent(cbOther);
-        final CheckBox cbCtrl = new CheckBox("Use CTRL+A shortcut");
-        cbCtrl.setId("control");
-        addComponent(cbCtrl);
-        final CheckBox cbShift = new CheckBox("Use SHIFT+H shortcut");
-        cbShift.setId("shift");
-        addComponent(cbShift);
-
-        cbOther.setValue(true);
-        cbCtrl.setValue(true);
-        cbShift.setValue(true);
-
-        Property.ValueChangeListener listener = new Property.ValueChangeListener() {
-
-            @Override
-            public void valueChange(ValueChangeEvent event) {
-                if (Boolean.TRUE.equals(cbDefault.getValue())) {
-                    w.resetCloseShortcuts();
-                } else {
-                    w.removeCloseShortcuts();
-                }
-                if (Boolean.TRUE.equals(cbOther.getValue())) {
-                    w.addCloseShortcut(KeyCode.R);
-                }
-                if (Boolean.TRUE.equals(cbCtrl.getValue())) {
-                    w.addCloseShortcut(KeyCode.A, ModifierKey.CTRL);
-                }
-                if (Boolean.TRUE.equals(cbShift.getValue())) {
-                    w.addCloseShortcut(KeyCode.H, ModifierKey.SHIFT);
-                }
-            }
-        };
-        cbDefault.addValueChangeListener(listener);
-        cbOther.addValueChangeListener(listener);
-        cbCtrl.addValueChangeListener(listener);
-        cbShift.addValueChangeListener(listener);
-
-        cbDefault.setValue(true); // trigger value change
-
-        Button button = new Button("Reopen window", new Button.ClickListener() {
-
-            @Override
-            public void buttonClick(ClickEvent event) {
-                w.close();
-                addWindow(w);
-                w.focus();
-            }
-        });
-        addComponent(button);
-    }
-
-    @Override
-    protected String getTestDescription() {
-        return "It should be possible to have multiple shortcuts at the same time, and to remove the default shortcut ESC.";
-    }
-
-    @Override
-    protected Integer getTicketNumber() {
-        return 14843;
-    }
-}
diff --git a/uitest/src/com/vaadin/tests/components/window/CloseShortcutTest.java b/uitest/src/com/vaadin/tests/components/window/CloseShortcutTest.java
deleted file mode 100644
index df7b7cad0c..0000000000
--- a/uitest/src/com/vaadin/tests/components/window/CloseShortcutTest.java
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- * Copyright 2000-2014 Vaadin Ltd.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.vaadin.tests.components.window;
-
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.openqa.selenium.By;
-import org.openqa.selenium.Keys;
-import org.openqa.selenium.WebDriver;
-import org.openqa.selenium.interactions.Actions;
-import org.openqa.selenium.remote.DesiredCapabilities;
-import org.openqa.selenium.support.ui.ExpectedCondition;
-
-import com.vaadin.testbench.elements.CheckBoxElement;
-import com.vaadin.testbench.elements.TextFieldElement;
-import com.vaadin.testbench.elements.WindowElement;
-import com.vaadin.testbench.parallel.BrowserUtil;
-import com.vaadin.tests.tb3.MultiBrowserTest;
-
-/**
- * Tests close shortcuts for Window.
- * 
- * @author Vaadin Ltd
- */
-public class CloseShortcutTest extends MultiBrowserTest {
-
-    private WindowElement window;
-    private CheckBoxElement cbDefault;
-    private CheckBoxElement cbOther;
-    private CheckBoxElement cbCtrl;
-    private CheckBoxElement cbShift;
-
-    @Override
-    @Before
-    public void setup() throws Exception {
-        super.setup();
-        openTestURL();
-        waitForElementPresent(By.className("v-window"));
-
-        window = $(WindowElement.class).first();
-        cbDefault = $(CheckBoxElement.class).id("default");
-        cbOther = $(CheckBoxElement.class).id("other");
-        cbCtrl = $(CheckBoxElement.class).id("control");
-        cbShift = $(CheckBoxElement.class).id("shift");
-    }
-
-    @Test
-    public void testAllCheckBoxesSelected() {
-        assertTrue("Default wasn't selected initially.", isChecked(cbDefault));
-        assertTrue("Other wasn't selected initially.", isChecked(cbOther));
-        assertTrue("Ctrl+A wasn't selected initially.", isChecked(cbCtrl));
-        assertTrue("Shift+H wasn't selected initially.", isChecked(cbShift));
-    }
-
-    @Test
-    public void testAllCheckBoxesClickable() {
-        click(cbDefault);
-        click(cbOther);
-        click(cbCtrl);
-        click(cbShift);
-
-        assertFalse("Default was selected when it shouldn't have been.",
-                isChecked(cbDefault));
-        assertFalse("Other was selected when it shouldn't have been.",
-                isChecked(cbOther));
-        assertFalse("Ctrl+A was selected when it shouldn't have been.",
-                isChecked(cbCtrl));
-        assertFalse("Shift+H was selected when it shouldn't have been.",
-                isChecked(cbShift));
-    }
-
-    @Test
-    public void testDefaultWithAll() {
-        attemptDefaultShortcut();
-        ensureWindowClosed();
-    }
-
-    @Test
-    public void testDefaultWithoutSelection() {
-        click(cbDefault);
-
-        attemptDefaultShortcut();
-        ensureWindowOpen();
-    }
-
-    @Test
-    public void testOtherWithAll() {
-        attemptOtherShortcut();
-        // TODO: remove this check once #14902 has been fixed
-        DesiredCapabilities cap = getDesiredCapabilities();
-        if ((BrowserUtil.isIE(cap) && !BrowserUtil.isIE8(cap))
-                || BrowserUtil.isPhantomJS(cap)) {
-            ensureWindowClosed();
-        }
-    }
-
-    @Test
-    public void testOtherWithoutSelection() {
-        click(cbOther);
-
-        attemptOtherShortcut();
-        ensureWindowOpen();
-    }
-
-    @Test
-    public void testCtrlWithAll() {
-        attemptCtrlShortcut();
-        // TODO: remove this check once #14902 has been fixed
-        if (BrowserUtil.isPhantomJS(getDesiredCapabilities())) {
-            ensureWindowClosed();
-        }
-    }
-
-    @Test
-    public void testCtrlWithoutSelection() {
-        click(cbCtrl);
-
-        attemptCtrlShortcut();
-        ensureWindowOpen();
-    }
-
-    @Test
-    public void testShiftWithAll() {
-        attemptShiftShortcut();
-        // TODO: remove this check once #14902 has been fixed
-        DesiredCapabilities capabilities = getDesiredCapabilities();
-        if (!BrowserUtil.isIE(capabilities) || BrowserUtil.isIE8(capabilities)) {
-            ensureWindowClosed();
-        }
-    }
-
-    @Test
-    public void testShiftWithoutSelection() {
-        click(cbShift);
-
-        attemptShiftShortcut();
-        ensureWindowOpen();
-    }
-
-    private boolean isChecked(CheckBoxElement cb) {
-        String checked = cb.findElement(By.tagName("input")).getAttribute(
-                "checked");
-        if ("true".equals(checked)) {
-            return true;
-        } else if (checked == null) {
-            return false;
-        }
-        throw new IllegalStateException(
-                "Unexpected attribute value for 'checked': " + checked);
-    }
-
-    @Override
-    protected void click(final CheckBoxElement cb) {
-        final boolean initial = isChecked(cb);
-        super.click(cb);
-        waitUntil(new ExpectedCondition<Boolean>() {
-            @Override
-            public Boolean apply(WebDriver input) {
-                return initial != isChecked(cb);
-            }
-
-            @Override
-            public String toString() {
-                // Timed out after 10 seconds waiting for ...
-                return "checked state to change";
-            }
-        });
-    }
-
-    private void attemptDefaultShortcut() {
-        window.focus();
-        $(TextFieldElement.class).first().sendKeys(Keys.ESCAPE);
-    }
-
-    private void attemptOtherShortcut() {
-        window.focus();
-        $(TextFieldElement.class).first().sendKeys("R");
-    }
-
-    private void attemptCtrlShortcut() {
-        window.focus();
-        new Actions(driver).keyDown(Keys.CONTROL).perform();
-        $(TextFieldElement.class).first().sendKeys("A");
-        new Actions(driver).keyUp(Keys.CONTROL).perform();
-    }
-
-    private void attemptShiftShortcut() {
-        window.focus();
-        new Actions(driver).keyDown(Keys.SHIFT).perform();
-        $(TextFieldElement.class).first().sendKeys("H");
-        new Actions(driver).keyUp(Keys.SHIFT).perform();
-    }
-
-    private void ensureWindowClosed() {
-        assertTrue("Window didn't close as expected.", $(WindowElement.class)
-                .all().isEmpty());
-    }
-
-    private void ensureWindowOpen() {
-        assertFalse("Window closed when it shouldn't have.",
-                $(WindowElement.class).all().isEmpty());
-    }
-}