com.google.gwt.user.client.ui.HasVisibility.java Source code

Introduction

Here is the source code for com.google.gwt.user.client.ui.HasVisibility.java

Source

/*
 * 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);

}