| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_svl.hxx" |
| #include <svl/pickerhistory.hxx> |
| #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 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 |
| //......................................................................... |
| |
