ucb/source/ucp/hierarchy/hierarchydatasupplier.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <rtl/ref.hxx>
  23 #include <ucbhelper/resultset.hxx>
  24 #include <mutex>
  25 #include <utility>
  26 #include <vector>
  27 #include "hierarchydata.hxx"
  28
  29 namespace hierarchy_ucp {
  30
  31 class HierarchyEntryData;
  32 class HierarchyContent;
  33
  34 class HierarchyResultSetDataSupplier :
  35         public ::ucbhelper::ResultSetDataSupplier
  36 {
  37 private:
  38     bool checkResult( const HierarchyEntryData& rResult );
  39
  40 public:
  41     HierarchyResultSetDataSupplier(
  42                     const css::uno::Reference< css::uno::XComponentContext >& rxContext,
  43                     const rtl::Reference< HierarchyContent >& rContent,
  44                     sal_Int32 nOpenMode );
  45     virtual ~HierarchyResultSetDataSupplier() override;
  46
  47     virtual OUString queryContentIdentifierString( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex ) final override;
  48     virtual css::uno::Reference< css::ucb::XContentIdentifier >
  49     queryContentIdentifier( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex ) override;
  50     virtual css::uno::Reference< css::ucb::XContent >
  51     queryContent( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex ) override;
  52
  53     virtual bool getResult( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex ) final override;
  54
  55     virtual sal_uInt32 totalCount(std::unique_lock<std::mutex>& rResultSetGuard) override;
  56     virtual sal_uInt32 currentCount() override;
  57     virtual bool isCountFinal() override;
  58
  59     virtual css::uno::Reference< css::sdbc::XRow >
  60     queryPropertyValues( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex  ) override;
  61     virtual void releasePropertyValues( sal_uInt32 nIndex ) override;
  62
  63     virtual void close() override;
  64
  65     virtual void validate() override;
  66 private:
  67     OUString queryContentIdentifierStringImpl( std::unique_lock<std::mutex>& rResultSetGuard, std::unique_lock<std::mutex>&, sal_uInt32 nIndex );
  68     bool getResultImpl( std::unique_lock<std::mutex>& rResultSetGuard, std::unique_lock<std::mutex>&, sal_uInt32 nIndex );
  69
  70     struct ResultListEntry
  71     {
  72         OUString                             aId;
  73         css::uno::Reference< css::ucb::XContentIdentifier > xId;
  74         css::uno::Reference< css::ucb::XContent >           xContent;
  75         css::uno::Reference< css::sdbc::XRow >              xRow;
  76         HierarchyEntryData                        aData;
  77
  78         explicit ResultListEntry( HierarchyEntryData aEntry ) : aData(std::move( aEntry )) {}
  79     };
  80     typedef std::vector< std::unique_ptr<ResultListEntry> > ResultList;
  81     std::mutex                                      m_aMutex;
  82     ResultList                                      m_aResults;
  83     rtl::Reference< HierarchyContent >              m_xContent;
  84     css::uno::Reference< css::uno::XComponentContext > m_xContext;
  85     HierarchyEntry                                  m_aFolder;
  86     HierarchyEntry::iterator                        m_aIterator;
  87     sal_Int32                                       m_nOpenMode;
  88     bool                                            m_bCountFinal;
  89 };
  90
  91 } // namespace hierarchy_ucp
  92
  93 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */