ucb/source/ucp/tdoc/tdoc_datasupplier.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 #pragma once
  21
  22 #include <rtl/ref.hxx>
  23 #include <ucbhelper/resultset.hxx>
  24 #include <mutex>
  25 #include <optional>
  26 #include <string_view>
  27 #include <utility>
  28 #include <vector>
  29
  30 namespace tdoc_ucp {
  31
  32 struct DataSupplier_Impl;
  33 class Content;
  34
  35 class ResultSetDataSupplier final : public ::ucbhelper::ResultSetDataSupplier
  36 {
  37     struct ResultListEntry
  38     {
  39         OUString                                  aURL;
  40         css::uno::Reference< css::ucb::XContentIdentifier > xId;
  41         css::uno::Reference< css::ucb::XContent >           xContent;
  42         css::uno::Reference< css::sdbc::XRow >              xRow;
  43
  44         explicit ResultListEntry( OUString _aURL ) : aURL(std::move( _aURL )) {}
  45     };
  46
  47     std::mutex                                   m_aMutex;
  48     std::vector< ResultListEntry >               m_aResults;
  49     rtl::Reference< Content >                    m_xContent;
  50     css::uno::Reference< css::uno::XComponentContext >     m_xContext;
  51     std::optional<css::uno::Sequence< OUString > >    m_xNamesOfChildren;
  52     bool                                         m_bCountFinal;
  53     bool                                         m_bThrowException;
  54
  55 private:
  56     bool queryNamesOfChildren(std::unique_lock<std::mutex>& rGuard);
  57     OUString assembleChildURL( std::u16string_view aName );
  58
  59 public:
  60     ResultSetDataSupplier(
  61         css::uno::Reference< css::uno::XComponentContext > xContext,
  62         rtl::Reference< Content > xContent );
  63     virtual ~ResultSetDataSupplier() override;
  64
  65     virtual OUString queryContentIdentifierString( sal_uInt32 nIndex ) override;
  66     virtual css::uno::Reference< css::ucb::XContentIdentifier >
  67     queryContentIdentifier( sal_uInt32 nIndex ) override;
  68     virtual css::uno::Reference< css::ucb::XContent >
  69     queryContent( sal_uInt32 nIndex ) override;
  70
  71     virtual bool getResult( sal_uInt32 nIndex ) override;
  72
  73     virtual sal_uInt32 totalCount() override;
  74     virtual sal_uInt32 currentCount() override;
  75     virtual bool   isCountFinal() override;
  76
  77     virtual css::uno::Reference< css::sdbc::XRow >
  78     queryPropertyValues( sal_uInt32 nIndex  ) override;
  79     virtual void releasePropertyValues( sal_uInt32 nIndex ) override;
  80
  81     virtual void close() override;
  82
  83     virtual void validate() override;
  84
  85 private:
  86     OUString queryContentIdentifierStringImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex );
  87     css::uno::Reference< css::ucb::XContentIdentifier >
  88       queryContentIdentifierImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex );
  89     bool getResultImpl( std::unique_lock<std::mutex>& rGuard, sal_uInt32 nIndex );
  90 };
  91
  92 } // namespace tdoc_ucp
  93
  94 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */