| /* |
| * Copyright 2011 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; |
| |
| /** |
| * Implemented by objects that have the visibility trait. |
| */ |
| public interface HasVisibility { |
| |
| /** |
| * Determines whether or not this object is visible. Note that this does not |
| * necessarily take into account whether or not the receiver's parent is |
| * visible, or even if it is attached to the |
| * {@link com.google.gwt.dom.client.Document Document}. The default |
| * implementation of this trait in {@link UIObject} is based on the value of a |
| * dom element's style object's display attribute. |
| * |
| * @return <code>true</code> if the object is visible |
| */ |
| boolean isVisible(); |
| |
| /** |
| * Sets whether this object is visible. |
| * |
| * @param visible <code>true</code> to show the object, <code>false</code> to |
| * hide it |
| */ |
| void setVisible(boolean visible); |
| |
| } |