| /* |
| * Copyright 2008 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.ui.impl; |
| |
| import com.google.gwt.user.client.Event; |
| |
| /** |
| * HyperlinkImpl for Safari and Google Chrome. Safari has special behavior for |
| * all the modifier keys except shift, which behaves like a regular click. |
| * Chrome, however, opens a new window on a shift-click. |
| */ |
| public class HyperlinkImplSafari extends HyperlinkImpl { |
| |
| private static boolean shiftIsModifier = onChrome(); |
| |
| private static native boolean onChrome() /*-{ |
| return navigator.userAgent.indexOf("Chrome") != -1; |
| }-*/; |
| |
| @Override |
| public boolean handleAsClick(Event event) { |
| int mouseButtons = event.getButton(); |
| boolean alt = event.getAltKey(); |
| boolean ctrl = event.getCtrlKey(); |
| boolean meta = event.getMetaKey(); |
| boolean shift = event.getShiftKey(); |
| boolean middle = mouseButtons == Event.BUTTON_MIDDLE; |
| boolean right = mouseButtons == Event.BUTTON_RIGHT; |
| |
| boolean modifiers = alt || ctrl || meta; |
| if (shiftIsModifier) { |
| modifiers |= shift; |
| } |
| |
| return !modifiers && !middle && !right; |
| } |
| } |