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.
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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 #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/implbase1.hxx>
  27
  28 #include <comphelper/sequenceashashmap.hxx>
  29
  30 #include <rtl/ref.hxx>
  31
  32 #include <list>
  33 #include <unordered_map>
  34 #include <vector>
  35
  36 struct OHierarchyElement_Impl;
  37
  38 struct eqFunc
  39 {
  40     bool operator()( const OUString &r1,
  41                          const OUString &r2) const
  42     {
  43         return r1 == r2;
  44     }
  45 };
  46 typedef std::unordered_map< OUString,
  47                          ::rtl::Reference< OHierarchyElement_Impl >,
  48                          OUStringHash,
  49                          eqFunc > OHierarchyElementList_Impl;
  50
  51 typedef ::std::vector< OUString > OStringList_Impl;
  52 typedef ::std::list< ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XExtendedStorageStream > >
  53                         OWeakStorRefList_Impl;
  54
  55 struct OHierarchyElement_Impl : public cppu::WeakImplHelper1< ::com::sun::star::embed::XTransactionListener >
  56 {
  57     ::osl::Mutex m_aMutex;
  58
  59     ::rtl::Reference< OHierarchyElement_Impl > m_rParent;
  60     ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage > m_xOwnStorage;
  61     ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XStorage > m_xWeakOwnStorage;
  62
  63     OHierarchyElementList_Impl m_aChildren;
  64
  65     OWeakStorRefList_Impl m_aOpenStreams;
  66
  67 public:
  68     OHierarchyElement_Impl( OHierarchyElement_Impl* pParent, const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& xStorage )
  69     : m_rParent( pParent )
  70     , m_xOwnStorage( xStorage )
  71     {}
  72
  73     OHierarchyElement_Impl( const ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XStorage >& xWeakStorage )
  74     : m_rParent( NULL )
  75     , m_xWeakOwnStorage( xWeakStorage )
  76     {}
  77
  78     void Commit();
  79
  80     void SetParent( const ::rtl::Reference< OHierarchyElement_Impl >& rParent ) { m_rParent = rParent; }
  81
  82     void TestForClosing();
  83
  84     void RemoveElement( const ::rtl::Reference< OHierarchyElement_Impl >& aRef );
  85
  86     ::com::sun::star::uno::Reference< ::com::sun::star::embed::XExtendedStorageStream >
  87         GetStreamHierarchically( sal_Int32 nStorageMode,
  88                                 OStringList_Impl& aPath,
  89                                 sal_Int32 nStreamMode,
  90                                 const ::comphelper::SequenceAsHashMap& aEncryptionData = ::comphelper::SequenceAsHashMap() );
  91
  92     void RemoveStreamHierarchically( OStringList_Impl& aListPath );
  93
  94     // XEventListener
  95     virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source )
  96         throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  97
  98     // XTransactionListener
  99     virtual void SAL_CALL preCommit( const ::com::sun::star::lang::EventObject& aEvent )
 100         throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 101     virtual void SAL_CALL commited( const ::com::sun::star::lang::EventObject& aEvent )
 102         throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 103     virtual void SAL_CALL preRevert( const ::com::sun::star::lang::EventObject& aEvent )
 104         throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 105     virtual void SAL_CALL reverted( const ::com::sun::star::lang::EventObject& aEvent )
 106         throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 107
 108 };
 109
 110 class OHierarchyHolder_Impl : public ::cppu::OWeakObject
 111 {
 112     ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XStorage > m_xWeakOwnStorage;
 113     ::rtl::Reference< OHierarchyElement_Impl > m_xChild;
 114 public:
 115     OHierarchyHolder_Impl( const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& xOwnStorage )
 116     : m_xWeakOwnStorage( xOwnStorage )
 117     , m_xChild( new OHierarchyElement_Impl( ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XStorage >( xOwnStorage ) ) )
 118     {}
 119
 120     static OStringList_Impl GetListPathFromString( const OUString& aPath );
 121
 122     ::com::sun::star::uno::Reference< ::com::sun::star::embed::XExtendedStorageStream >
 123         GetStreamHierarchically( sal_Int32 nStorageMode,
 124                                 OStringList_Impl& aListPath,
 125                                 sal_Int32 nStreamMode,
 126                                 const ::comphelper::SequenceAsHashMap& aEncryptionData = ::comphelper::SequenceAsHashMap() );
 127
 128     void RemoveStreamHierarchically( OStringList_Impl& aListPath );
 129 };
 130
 131 #endif // _OHIERARCHYHOLDER
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */