c2034f3993
Change-Id: Ie6e8d4272b0b1d0d2ce93bcbc2e818a9eac1a56b Reviewed-on: https://gerrit.libreoffice.org/9629 Reviewed-by: Thomas Arnhold <thomas@arnhold.org> Tested-by: Thomas Arnhold <thomas@arnhold.org>
129 lines
5 KiB
C++
129 lines
5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you 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 .
|
|
*/
|
|
|
|
#ifndef INCLUDED_COMPHELPER_ACCESSIBLEEVENTNOTIFIER_HXX
|
|
#define INCLUDED_COMPHELPER_ACCESSIBLEEVENTNOTIFIER_HXX
|
|
|
|
#include <com/sun/star/accessibility/AccessibleEventObject.hpp>
|
|
#include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
|
|
|
|
#include <comphelper/comphelperdllapi.h>
|
|
|
|
|
|
namespace comphelper
|
|
{
|
|
|
|
|
|
|
|
//= AccessibleEventNotifier
|
|
|
|
class COMPHELPER_DLLPUBLIC AccessibleEventNotifier
|
|
{
|
|
// typedefs
|
|
public:
|
|
typedef sal_uInt32 TClientId;
|
|
|
|
protected:
|
|
AccessibleEventNotifier( ); // never implemented
|
|
~AccessibleEventNotifier( ); // never implemented
|
|
|
|
private:
|
|
COMPHELPER_DLLPRIVATE AccessibleEventNotifier( const AccessibleEventNotifier& ); // never implemented!
|
|
COMPHELPER_DLLPRIVATE AccessibleEventNotifier& operator=( const AccessibleEventNotifier& ); // never implemented!
|
|
|
|
public:
|
|
/** registers a client of this class, means a broadcaster of AccessibleEvents
|
|
|
|
<p>No precaution is taken to care for disposal of this component. When the component
|
|
dies, it <b>must</b> call <member>revokeClient</member> or <member>revokeClientNotifyDisposing</member>
|
|
explicitly itself.</p>
|
|
*/
|
|
static TClientId registerClient( );
|
|
|
|
/** revokes a broadcaster of AccessibleEvents
|
|
|
|
<p>Note that no disposing event is fired when you use this method, the client is simply revoked.
|
|
You can for instance revoke a client if the last listener for it is revoked, but the client
|
|
itself is not disposed.<br/>
|
|
When the client is disposed, you should prefer <member>revokeClientNotifyDisposing</member></p>
|
|
|
|
<p>Any possibly pending events for this client are removed from the queue.</p>
|
|
|
|
@seealso revokeClientNotifyDisposing
|
|
*/
|
|
static void revokeClient( const TClientId _nClient );
|
|
|
|
/** revokes a client, with additionally notifying a disposing event to all listeners registered for
|
|
this client
|
|
|
|
<p>Any other possibly pending events for this client are removed from the queue</p>
|
|
|
|
@param _nClient
|
|
the id of the client which should be revoked
|
|
@param _rxEventSource
|
|
the source to be notified together with the <member scope="com.sun.star.lang">XComponent::disposing</member>
|
|
call.
|
|
*/
|
|
static void revokeClientNotifyDisposing(
|
|
const TClientId _nClient,
|
|
const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxEventSource
|
|
);
|
|
|
|
/** registers a listener for the given client
|
|
|
|
@param _nClient
|
|
the id of the client for which a listener should be registered
|
|
@return
|
|
the number of event listeners currently registered for this client
|
|
*/
|
|
static sal_Int32 addEventListener(
|
|
const TClientId _nClient,
|
|
const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& _rxListener
|
|
);
|
|
|
|
/** revokes a listener for the given client
|
|
|
|
@param _nClient
|
|
the id of the client for which a listener should be revoked
|
|
@return
|
|
the number of event listeners currently registered for this client
|
|
*/
|
|
static sal_Int32 removeEventListener(
|
|
const TClientId _nClient,
|
|
const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& _rxListener
|
|
);
|
|
|
|
/** adds an event, which is to be braodcasted, to the queue
|
|
|
|
@param _nClient
|
|
the id of the client which needs to broadcast the event
|
|
*/
|
|
static void addEvent(
|
|
const TClientId _nClient,
|
|
const ::com::sun::star::accessibility::AccessibleEventObject& _rEvent
|
|
);
|
|
|
|
};
|
|
|
|
|
|
} // namespace comphelper
|
|
|
|
#endif // INCLUDED_COMPHELPER_ACCESSIBLEEVENTNOTIFIER_HXX
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|