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/* -*- 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_FRAMEWORK_SOURCE_INC_ACCELERATORS_ACCELERATORCACHE_HXX
#define INCLUDED_FRAMEWORK_SOURCE_INC_ACCELERATORS_ACCELERATORCACHE_HXX
#include <threadhelp/threadhelpbase.hxx>
#include <general.h>
#include <stdtypes.h>
#include <com/sun/star/awt/KeyEvent.hpp>
#include <comphelper/sequenceasvector.hxx>
//__________________________________________
// definition
namespace framework
{
//__________________________________________
/**
@short implements a cache for any accelerator configuration.
@descr Its implemented threadsafe, supports copy-on-write pattern
and a flush mechansim to support concurrent access to the same
configuration.
copy-on-write ... How? Do the following:
*/
class AcceleratorCache : public ThreadHelpBase // attention! Must be the first base class to guarentee right initialize lock ...
{
//______________________________________
// const, types
public:
//---------------------------------------
/** TODO document me
commands -> keys
*/
typedef ::comphelper::SequenceAsVector< css::awt::KeyEvent > TKeyList;
typedef BaseHash< TKeyList > TCommand2Keys;
//---------------------------------------
/** TODO document me
keys -> commands
*/
typedef ::boost::unordered_map< css::awt::KeyEvent ,
OUString ,
KeyEventHashCode ,
KeyEventEqualsFunc > TKey2Commands;
//______________________________________
// member
private:
//---------------------------------------
/** map commands to keys in relation 1:n.
First key is interpreted as preferred one! */
TCommand2Keys m_lCommand2Keys;
//---------------------------------------
/** map keys to commands in relation 1:1. */
TKey2Commands m_lKey2Commands;
//______________________________________
// interface
public:
//---------------------------------------
/** @short creates a new - but empty - cache instance. */
AcceleratorCache();
//---------------------------------------
/** @short make a copy of this cache.
@descr Used for the copy-on-write feature.
*/
AcceleratorCache(const AcceleratorCache& rCopy);
//---------------------------------------
/** @short does nothing real. */
virtual ~AcceleratorCache();
//---------------------------------------
/** @short write changes back to the original container.
@param rCopy
the (changed!) copy, which should be written
back to this original container.
*/
virtual void takeOver(const AcceleratorCache& rCopy);
//---------------------------------------
/** TODO document me */
AcceleratorCache& operator=(const AcceleratorCache& rCopy);
//---------------------------------------
/** @short checks if the specified key exists.
@param aKey
the key, which should be checked.
@return [bool]
sal_True if the speicfied key exists inside this container.
*/
virtual sal_Bool hasKey(const css::awt::KeyEvent& aKey) const;
virtual sal_Bool hasCommand(const OUString& sCommand) const;
//---------------------------------------
/** TODO document me */
virtual TKeyList getAllKeys() const;
//---------------------------------------
/** @short add a new or change an existing key-command pair
of this container.
@param aKey
describe the key.
@param sCommand
describe the command.
*/
virtual void setKeyCommandPair(const css::awt::KeyEvent& aKey ,
const OUString& sCommand);
//---------------------------------------
/** @short returns the list of keys, which are registered
for this command.
@param sCommand
describe the command.
@return [TKeyList]
the list of registered keys. Can be empty!
*/
virtual TKeyList getKeysByCommand(const OUString& sCommand) const;
//---------------------------------------
/** TODO */
virtual OUString getCommandByKey(const css::awt::KeyEvent& aKey) const;
//---------------------------------------
/** TODO */
virtual void removeKey(const css::awt::KeyEvent& aKey);
virtual void removeCommand(const OUString& sCommand);
};
} // namespace framework
#endif // INCLUDED_FRAMEWORK_SOURCE_INC_ACCELERATORS_ACCELERATORCACHE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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