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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 .
*/
#include <svl/pickerhistoryaccess.hxx>
#include <cppuhelper/weakref.hxx>
#include <vector>
namespace svt
{
using namespace ::com::sun::star::uno;
namespace
{
typedef ::com::sun::star::uno::WeakReference< XInterface > InterfaceAdapter;
typedef ::std::vector< InterfaceAdapter > InterfaceArray;
InterfaceArray& getFolderPickerHistory()
{
static InterfaceArray s_aHistory;
return s_aHistory;
}
InterfaceArray& getFilePickerHistory()
{
static InterfaceArray s_aHistory;
return s_aHistory;
}
void implPushBackPicker( InterfaceArray& _rHistory, const Reference< XInterface >& _rxPicker )
{
if ( !_rxPicker.is() )
return;
// first, check which of the objects we hold in s_aHistory can be removed
{
InterfaceArray aCleanedHistory;
for ( InterfaceArray::const_iterator aLoop = _rHistory.begin();
aLoop != _rHistory.end();
++aLoop
)
{
Reference< XInterface > xCurrent( aLoop->get() );
if ( xCurrent.is() )
{
if ( aCleanedHistory.empty() )
// make some room, assume that all interfaces (from here on) are valid
aCleanedHistory.reserve( _rHistory.size() - ( aLoop - _rHistory.begin() ) );
aCleanedHistory.push_back( InterfaceAdapter( xCurrent ) );
}
}
_rHistory.swap( aCleanedHistory );
}
// then push_back the picker
_rHistory.push_back( InterfaceAdapter( _rxPicker ) );
}
}
void addFolderPicker( const Reference< XInterface >& _rxPicker )
{
implPushBackPicker( getFolderPickerHistory(), _rxPicker );
}
void addFilePicker( const Reference< XInterface >& _rxPicker )
{
implPushBackPicker( getFilePickerHistory(), _rxPicker );
}
} // namespace svt
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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