Auto focus modal window (#17021)

With this patch a modal window is always given focus on opening and
in the situation when an above-lying window is closed.

Change-Id: Ie13869830df13f411e4f14340745d501a1aabafa

client/src/com/vaadin/client/ui/VWindow.java

@@ -558,6 +558,21 @@ public class VWindow extends VOverlay implements ShortcutActionHandlerOwner,
                 w.bringToFrontSequence = -1;
             }
         }
+        focusTopmostModalWindow();
+    }
+
+    private static void focusTopmostModalWindow() {
+        // If we call focus() directly without scheduling, it does not work in
+        // IE and FF.
+        Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+            @Override
+            public void execute() {
+                VWindow topmost = getTopmostWindow();
+                if ((topmost != null) && (topmost.vaadinModality)) {
+                    topmost.focus();
+                }
+            }
+        });
     }
 
     @Override
@@ -690,6 +705,7 @@ public class VWindow extends VOverlay implements ShortcutActionHandlerOwner,
         while (curIndex < windowOrder.size()) {
             windowOrder.get(curIndex).setWindowOrder(curIndex++);
         }
+        focusTopmostModalWindow();
     }
 
     private void fixIE8FocusCaptureIssue() {

uitest/src/com/vaadin/tests/components/window/ModalWindowFocus.java

@@ -0,0 +1,74 @@
+/*
+ * 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.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.HorizontalLayout;
+import com.vaadin.ui.Window;
+
+public class ModalWindowFocus extends AbstractTestUI {
+
+    @Override
+    protected void setup(VaadinRequest req) {
+
+        Button button = new Button("Open windows");
+        button.setId("firstButton");
+        addComponent(button);
+        button.addClickListener(new Button.ClickListener() {
+            @Override
+            public void buttonClick(ClickEvent event) {
+                Window w = new Window("This is first window");
+                w.setModal(true);
+                addWindow(w);
+
+                Window w2 = new Window("This is second window");
+                w2.setModal(true);
+                addWindow(w2);
+
+                HorizontalLayout lay = new HorizontalLayout();
+                Button buttonInWindow = new Button("Open window");
+                buttonInWindow.setId("windowButton");
+                lay.addComponent(buttonInWindow);
+                w2.setContent(lay);
+
+                buttonInWindow.addClickListener(new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent e) {
+                        Window w3 = new Window("This is third window");
+                        w3.setModal(true);
+                        w3.setId("window3");
+                        addWindow(w3);
+                    }
+                });
+            }
+        });
+    }
+
+    @Override
+    protected String getTestDescription() {
+        return "Topmost modal window should be focused on opening "
+                + "and on closing an overlying window";
+    }
+
+    @Override
+    protected Integer getTicketNumber() {
+        return 17021;
+    }
+
+}

uitest/src/com/vaadin/tests/components/window/ModalWindowFocusTest.java

@@ -0,0 +1,102 @@
+/*
+ * 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.assertTrue;
+
+import java.io.IOException;
+
+import org.junit.Test;
+import org.openqa.selenium.Keys;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.interactions.Actions;
+
+import com.vaadin.testbench.By;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+/**
+ * Tests that a modal window is focused on creation and that on closing a window
+ * focus is given to underlying modal window
+ * 
+ * @author Vaadin Ltd
+ */
+public class ModalWindowFocusTest extends MultiBrowserTest {
+
+    @Override
+    public void setup() throws Exception {
+        super.setup();
+        openTestURL();
+    }
+
+    /**
+     * First scenario: press button -> two windows appear, press Esc two times
+     * -> all windows should be closed
+     */
+    @Test
+    public void testModalWindowFocusTwoWindows() throws IOException {
+
+        waitForElementPresent(By.id("firstButton"));
+        WebElement button = findElement(By.id("firstButton"));
+        button.click();
+
+        waitForElementPresent(By.id("windowButton"));
+        assertTrue("Second window should be opened",
+                findElements(By.id("windowButton")).size() == 1);
+
+        pressEscAndWait();
+        pressEscAndWait();
+        assertTrue("All windows should be closed",
+                findElements(By.className("v-window")).size() == 0);
+
+    }
+
+    /**
+     * Second scenario: press button -> two windows appear, press button in the
+     * 2nd window -> 3rd window appears on top, press Esc three times -> all
+     * windows should be closed
+     */
+    @Test
+    public void testModalWindowFocusPressButtonInWindow() throws IOException {
+
+        waitForElementPresent(By.id("firstButton"));
+        WebElement button = findElement(By.id("firstButton"));
+        button.click();
+
+        waitForElementPresent(By.id("windowButton"));
+        WebElement buttonInWindow = findElement(By.id("windowButton"));
+        buttonInWindow.click();
+
+        waitForElementPresent(By.id("window3"));
+        assertTrue("Third window should be opened",
+                findElements(By.id("window3")).size() == 1);
+
+        pressEscAndWait();
+        pressEscAndWait();
+        pressEscAndWait();
+        assertTrue("All windows should be closed",
+                findElements(By.className("v-window")).size() == 0);
+
+    }
+
+    private void pressEscAndWait() {
+        new Actions(driver).sendKeys(Keys.ESCAPE).build().perform();
+        try {
+            sleep(100);
+        } catch (InterruptedException e) {
+        }
+    }
+
+}