| /* |
| * Copyright 2012 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.regexp.shared.MatchResult; |
| import com.google.gwt.regexp.shared.RegExp; |
| import com.google.gwt.user.client.Window.Navigator; |
| |
| import junit.framework.Assert; |
| |
| /** |
| * Calculates the sizes for Window extras such as border, menu, tool bar, and stores the original |
| * sizes to restore at the end of test. |
| */ |
| public final class ResizeHelper { |
| |
| private static int extraWidth; |
| private static int extraHeight; |
| |
| static { |
| // FF4 on win can start in 'almost' fullscreen when the window title bar |
| // is hidden but accounted incorrectly, so, move the window and resize to |
| // smaller size first, to take it out of 'full screen mode'. |
| Window.moveTo(10, 10); |
| Window.resizeTo(700, 500); |
| |
| extraWidth = 700 - Window.getClientWidth(); |
| extraHeight = 500 - Window.getClientHeight(); |
| } |
| |
| public static void resizeBy(int width, int height) { |
| Window.resizeBy(width, height); |
| } |
| |
| public static void resizeTo(int width, int height) { |
| Window.resizeTo(width, height); |
| } |
| |
| public static void assertSize(int width, int height) { |
| Assert.assertEquals(width, Window.getClientWidth() + extraWidth); |
| Assert.assertEquals(height, Window.getClientHeight() + extraHeight); |
| } |
| |
| public static boolean isResizeSupported() { |
| String userAgent = Navigator.getUserAgent(); |
| if (userAgent.contains("Chrome")) { |
| return false; // All versions of Chrome are upsupported |
| } |
| |
| if (userAgent.contains("Firefox")) { |
| RegExp versionRegExp = RegExp.compile("Firefox[\\/\\s](\\d+)\\.\\d+", "ig"); |
| MatchResult result = versionRegExp.exec(userAgent); |
| if (result != null) { |
| int version = Integer.parseInt(result.getGroup(1)); |
| return version < 7; // Resize is unsupported for Firefox 7 and newer. |
| } |
| } |
| return true; |
| } |
| } |