/*
* Copyright 2000-2016 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.application;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUIWithLog;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
public class ConfirmBrowserTabClose extends AbstractTestUIWithLog {
@Override
protected void setup(VaadinRequest request) {
// To test the behavior, do
// 1. Open the test in the browser
// 2. Close the browser tab/window
// 3. Choose to stay on the page after all
// 4. Click the button
// There should be no error
Button b = new Button("Say hello", new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
log("Hello");
}
});
addComponent(b);
getPage().getJavaScript()
.eval("window.addEventListener('beforeunload', function (e) {"
+ "var confirmationMessage = 'Please stay!';"
+ "e.returnValue = confirmationMessage;"
+ "return confirmationMessage;" + "});");
}
}