package/source/xstor/ohierarchyholder.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.
   4  *
   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 #ifndef INCLUDED_PACKAGE_SOURCE_XSTOR_OHIERARCHYHOLDER_HXX
  21 #define INCLUDED_PACKAGE_SOURCE_XSTOR_OHIERARCHYHOLDER_HXX
  22
  23 #include <com/sun/star/embed/XStorage.hpp>
  24 #include <com/sun/star/embed/XTransactionListener.hpp>
  25 #include <com/sun/star/embed/XExtendedStorageStream.hpp>
  26 #include <cppuhelper/implbase.hxx>
  27 #include <cppuhelper/weakref.hxx>
  28
  29 #include <comphelper/sequenceashashmap.hxx>
  30
  31 #include <rtl/ref.hxx>
  32 #include <mutex>
  33 #include <unordered_map>
  34 #include <utility>
  35 #include <vector>
  36
  37 class OHierarchyElement_Impl;
  38
  39 typedef std::unordered_map< OUString,
  40                          ::rtl::Reference< OHierarchyElement_Impl > > OHierarchyElementList_Impl;
  41
  42 typedef ::std::vector< css::uno::WeakReference< css::embed::XExtendedStorageStream > >
  43                         OWeakStorRefVector_Impl;
  44
  45 class OHierarchyElement_Impl : public cppu::WeakImplHelper< css::embed::XTransactionListener >
  46 {
  47     std::mutex m_aMutex;
  48
  49     ::rtl::Reference< OHierarchyElement_Impl > m_rParent;
  50     css::uno::Reference< css::embed::XStorage > m_xOwnStorage;
  51     css::uno::WeakReference< css::embed::XStorage > m_xWeakOwnStorage;
  52
  53     OHierarchyElementList_Impl m_aChildren;
  54
  55     OWeakStorRefVector_Impl m_aOpenStreams;
  56
  57 public:
  58     explicit OHierarchyElement_Impl( css::uno::Reference< css::embed::XStorage > xStorage )
  59     : m_xOwnStorage(std::move( xStorage ))
  60     {}
  61
  62     explicit OHierarchyElement_Impl( css::uno::WeakReference< css::embed::XStorage > xWeakStorage )
  63     : m_xWeakOwnStorage(std::move( xWeakStorage ))
  64     {}
  65
  66     void Commit();
  67
  68     void SetParent( const ::rtl::Reference< OHierarchyElement_Impl >& rParent ) { m_rParent = rParent; }
  69
  70     void TestForClosing();
  71
  72     void RemoveElement( const ::rtl::Reference< OHierarchyElement_Impl >& aRef );
  73
  74     css::uno::Reference< css::embed::XExtendedStorageStream >
  75         GetStreamHierarchically( sal_Int32 nStorageMode,
  76                                 std::vector<OUString>& aPath,
  77                                 sal_Int32 nStreamMode,
  78                                 const ::comphelper::SequenceAsHashMap& aEncryptionData );
  79
  80     void RemoveStreamHierarchically( std::vector<OUString>& aListPath );
  81
  82     // XEventListener
  83     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
  84
  85     // XTransactionListener
  86     virtual void SAL_CALL preCommit( const css::lang::EventObject& aEvent ) override;
  87     virtual void SAL_CALL commited( const css::lang::EventObject& aEvent ) override;
  88     virtual void SAL_CALL preRevert( const css::lang::EventObject& aEvent ) override;
  89     virtual void SAL_CALL reverted( const css::lang::EventObject& aEvent ) override;
  90
  91 };
  92
  93 class OHierarchyHolder_Impl : public ::cppu::OWeakObject
  94 {
  95     css::uno::WeakReference< css::embed::XStorage > m_xWeakOwnStorage;
  96     ::rtl::Reference< OHierarchyElement_Impl > m_xChild;
  97 public:
  98     explicit OHierarchyHolder_Impl( const css::uno::Reference< css::embed::XStorage >& xOwnStorage )
  99     : m_xWeakOwnStorage( xOwnStorage )
 100     , m_xChild( new OHierarchyElement_Impl( css::uno::WeakReference< css::embed::XStorage >( xOwnStorage ) ) )
 101     {}
 102
 103     static std::vector<OUString> GetListPathFromString( std::u16string_view aPath );
 104
 105     css::uno::Reference< css::embed::XExtendedStorageStream >
 106         GetStreamHierarchically( sal_Int32 nStorageMode,
 107                                 std::vector<OUString>& aListPath,
 108                                 sal_Int32 nStreamMode,
 109                                 const ::comphelper::SequenceAsHashMap& aEncryptionData = ::comphelper::SequenceAsHashMap() );
 110
 111     void RemoveStreamHierarchically( std::vector<OUString>& aListPath );
 112 };
 113
 114 #endif // _OHIERARCHYHOLDER
 115
 116 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */