diff options
author | Mathias Bauer <mba@openoffice.org> | 2009-10-08 12:20:11 +0200 |
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committer | Mathias Bauer <mba@openoffice.org> | 2009-10-08 12:20:11 +0200 |
commit | e6b4345c7f4026cb9b3e8dee6ecc84b3531e1950 (patch) | |
tree | 35a66a82b052424c4664f1c4bb77b6ef71f654ba /svl/source/filepicker/pickerhistory.cxx | |
parent | b429c6949ce70e47538f90f5c67979b9d0ec0333 (diff) |
#i103496#: split svtools in two libs, depending on whether the code needs vcl or not
Diffstat (limited to 'svl/source/filepicker/pickerhistory.cxx')
-rw-r--r-- | svl/source/filepicker/pickerhistory.cxx | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/svl/source/filepicker/pickerhistory.cxx b/svl/source/filepicker/pickerhistory.cxx new file mode 100644 index 000000000000..5bd584618f09 --- /dev/null +++ b/svl/source/filepicker/pickerhistory.cxx @@ -0,0 +1,141 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: pickerhistory.cxx,v $ + * $Revision: 1.6 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_svtools.hxx" +#include "pickerhistory.hxx" +#include "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 valie + 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 ) ); + } + + //----------------------------------------------------------------- + Reference< XInterface > implGetTopMostPicker( const InterfaceArray& _rHistory ) + { + Reference< XInterface > xTopMostAlive; + + //============================================================= + // search the first picker which is still alive ... + for ( InterfaceArray::const_reverse_iterator aLoop = _rHistory.rbegin(); + ( aLoop != _rHistory.rend() ) && !xTopMostAlive.is(); + ++aLoop + ) + { + xTopMostAlive = aLoop->get(); + } + + return xTopMostAlive; + } + } + + //--------------------------------------------------------------------- + Reference< XInterface > GetTopMostFolderPicker( ) + { + return implGetTopMostPicker( getFolderPickerHistory() ); + } + + //--------------------------------------------------------------------- + Reference< XInterface > GetTopMostFilePicker( ) + { + return implGetTopMostPicker( getFilePickerHistory() ); + } + + //--------------------------------------------------------------------- + void addFolderPicker( const Reference< XInterface >& _rxPicker ) + { + implPushBackPicker( getFolderPickerHistory(), _rxPicker ); + } + + //--------------------------------------------------------------------- + void addFilePicker( const Reference< XInterface >& _rxPicker ) + { + implPushBackPicker( getFilePickerHistory(), _rxPicker ); + } + +//......................................................................... +} // namespace svt +//......................................................................... + |