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AccessibleAction.java
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1998-02-26
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/*
* @(#)AccessibleAction.java 1.3 98/02/04
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
package com.sun.java.accessibility;
/**
* The AccessibleAction interface should be supported by any object
* that can perform one or more actions. This interface
* provides the standard mechanism for an assistive technology to determine
* what those actions are as well as tell the object to perform those
* actions. Any object that can be manipulated should support this
* interface. Applications can determine if an object supports the
* AccessibleAction interface by first obtaining its AccessibleContext (see
* <a href="com.sun.java.accessibility.Accessible.html">Accessible</a>) and
* then calling the
* <a href="com.sun.java.accessibility.AccessibleContext.html#getAccessibleAction">
* getAccessibleAction</a> method of AccessibleContext. If the return
* value is not null, the object supports this interface.
*
* @see Accessible
* @see Accessible#getAccessibleContext
* @see AccessibleContext
* @see AccessibleContext#getAccessibleAction
*
* @version 1.3 02/04/98 11:12:57
* @author Peter Korn
* @author Hans Muller
* @author Willie Walker
*/
public interface AccessibleAction {
/**
* Returns the number of accessible actions available in this object
* If there are more than one, the first one is considered the "default"
* action of the object.
*
* @return the zero-based number of Actions in this object
*/
public int getAccessibleActionCount();
/**
* Returns a description of the specified action of the object.
*
* @param i zero-based index of the actions
* @return a String description of the action
* @see #getAccessibleActionCount
*/
public String getAccessibleActionDescription(int i);
/**
* Perform the specified Action on the object
*
* @param i zero-based index of actions
* @return true if the the action was performed; else false.
* @see #getAccessibleActionCount
*/
public boolean doAccessibleAction(int i);
}