| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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.google.gwt.user.client; |
| |
| import com.google.gwt.event.dom.client.DoubleClickEvent; |
| import com.google.gwt.event.dom.client.DoubleClickHandler; |
| import com.google.gwt.event.dom.client.HasDoubleClickHandlers; |
| import com.google.gwt.junit.client.GWTTestCase; |
| import com.google.gwt.user.client.ui.Anchor; |
| import com.google.gwt.user.client.ui.Button; |
| import com.google.gwt.user.client.ui.CheckBox; |
| import com.google.gwt.user.client.ui.FlexTable; |
| import com.google.gwt.user.client.ui.FocusPanel; |
| import com.google.gwt.user.client.ui.Grid; |
| import com.google.gwt.user.client.ui.Image; |
| import com.google.gwt.user.client.ui.Label; |
| import com.google.gwt.user.client.ui.ListBox; |
| import com.google.gwt.user.client.ui.PasswordTextBox; |
| import com.google.gwt.user.client.ui.RichTextArea; |
| import com.google.gwt.user.client.ui.RootPanel; |
| import com.google.gwt.user.client.ui.SimpleRadioButton; |
| import com.google.gwt.user.client.ui.TextArea; |
| import com.google.gwt.user.client.ui.TextBox; |
| import com.google.gwt.user.client.ui.ToggleButton; |
| import com.google.gwt.user.client.ui.Widget; |
| |
| /** |
| * Test Case for sinking of double click events. |
| */ |
| public class DoubleClickEventSinkTest extends GWTTestCase { |
| |
| @Override |
| public String getModuleName() { |
| return "com.google.gwt.user.User"; |
| } |
| |
| public void testDoubleClickBitFieldNotTriviallyZero() { |
| assertNotSame(0, Event.ONDBLCLICK); |
| } |
| |
| public void testFocusPanelDoubleClickEventSinkByAddingHandler() { |
| verifyEventSinkOnAddHandler(new FocusPanel(), false); |
| } |
| |
| public void testFocusWidgetDoubleClickEventSinkByAddingHandler() { |
| verifyEventSinkOnAddHandler(new Anchor(), false); |
| verifyEventSinkOnAddHandler(new Button(), false); |
| |
| CheckBox checkBox = new CheckBox(); |
| // Get the inputElem on which events are sunk |
| Element e = (Element) checkBox.getElement().getFirstChildElement(); |
| verifyEventSinkOnAddHandler(checkBox, e, false); |
| |
| verifyEventSinkOnAddHandler(new ToggleButton(), false); |
| verifyEventSinkOnAddHandler(new ListBox(), false); |
| verifyEventSinkOnAddHandler(new RichTextArea(), false); |
| verifyEventSinkOnAddHandler(new TextArea(), false); |
| verifyEventSinkOnAddHandler(new PasswordTextBox(), false); |
| verifyEventSinkOnAddHandler(new TextBox(), false); |
| verifyEventSinkOnAddHandler(new SimpleRadioButton("foo"), false); |
| } |
| |
| public void testHTMLTableDoubleClickEventSinkByAddingHandler() { |
| verifyEventSinkOnAddHandler(new Grid(), false); |
| verifyEventSinkOnAddHandler(new FlexTable(), false); |
| } |
| |
| public void testImageDoubleClickEventSinkByAddingHandler() { |
| /* |
| * The Image widget currently sinks events too early, before handlers are |
| * attached. We verify that (broken) behavior in this test. |
| * TODO(fredsa) Once Image has been fixed to lazily sink events, update |
| * this test and remove verifyEventSinkOnAddHandler's second parameter. |
| */ |
| verifyEventSinkOnAddHandler(new Image(), true); |
| } |
| |
| public void testLabelDoubleClickEventSinkByAddingHandler() { |
| verifyEventSinkOnAddHandler(new Label(), false); |
| } |
| |
| @Override |
| protected void gwtTearDown() throws Exception { |
| // clean up after ourselves |
| RootPanel.get().clear(); |
| super.gwtTearDown(); |
| } |
| |
| private boolean isDoubleClickEventSunk(Element e) { |
| return (DOM.getEventsSunk(e) & Event.ONDBLCLICK) != 0; |
| } |
| |
| private <W extends Widget & HasDoubleClickHandlers> |
| void verifyEventSinkOnAddHandler(W w, boolean allowEarlySink) { |
| verifyEventSinkOnAddHandler(w, w.getElement(), allowEarlySink); |
| } |
| |
| private <W extends Widget & HasDoubleClickHandlers> |
| void verifyEventSinkOnAddHandler(W w, Element e, boolean widgetSinksEventsOnAttach) { |
| RootPanel.get().add(w); |
| |
| if (widgetSinksEventsOnAttach) { |
| assertTrue("Event should have been sunk on " + w.getClass().getName() |
| + " once the widget has been attached", isDoubleClickEventSunk(e)); |
| } else { |
| assertFalse( |
| "Event should not be sunk on " + w.getClass().getName() + " until a " |
| + DoubleClickEvent.getType().getName() |
| + " handler has been added", isDoubleClickEventSunk(e)); |
| } |
| |
| w.addDoubleClickHandler(new DoubleClickHandler() { |
| @Override |
| public void onDoubleClick(DoubleClickEvent event) { |
| } |
| }); |
| |
| assertTrue( |
| "Event should have been sunk on " + w.getClass().getName() |
| + " once the widget has been attached and a " |
| + DoubleClickEvent.getType().getName() + " handler has been added", |
| isDoubleClickEventSunk(e)); |
| } |
| } |