com.google.gwt.user.client.ui.impl.HyperlinkImpl Maven / Gradle / Ivy
/*
* 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;
/**
* Methods that need browser-specific implementations for Hyperlink.
* By default, we're very conservative and let the browser handle any clicks
* with non-left buttons or with modifier keys. This happens to be the correct
* behavior for Firefox.
*/
public class HyperlinkImpl {
/**
* Default version, useful for Firefox. Don't fire if it's a rightclick,
* middleclick, or if any modifiers are held down.
*/
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 modifiers = alt || ctrl || meta || shift;
boolean middle = mouseButtons == Event.BUTTON_MIDDLE;
boolean right = mouseButtons == Event.BUTTON_RIGHT;
return !modifiers && !middle && !right;
}
}