sc/source/ui/inc/datastream.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
  10 #pragma once
  11
  12 #include <sal/config.h>
  13
  14 #include <rtl/ref.hxx>
  15 #include <rtl/ustring.hxx>
  16 #include <vcl/timer.hxx>
  17 #include <address.hxx>
  18 #include <optional>
  19 #include <vector>
  20
  21 #include <documentstreamaccess.hxx>
  22
  23 class ScDocShell;
  24
  25 namespace sc {
  26
  27 namespace datastreams {
  28     class ReaderThread;
  29 }
  30
  31 class DataStream
  32 {
  33 public:
  34     DataStream(const DataStream&) = delete;
  35     const DataStream& operator=(const DataStream&) = delete;
  36
  37     struct Cell
  38     {
  39         struct Str
  40         {
  41             size_t Pos;
  42             size_t Size;
  43         };
  44
  45         union
  46         {
  47             Str maStr;
  48             double mfValue;
  49         };
  50
  51         bool mbValue;
  52
  53         Cell();
  54         Cell( const Cell& r );
  55     };
  56
  57     struct Line
  58     {
  59         OString maLine;
  60         std::vector<Cell> maCells;
  61     };
  62     typedef std::vector<Line> LinesType;
  63
  64     enum MoveType { NO_MOVE, RANGE_DOWN, MOVE_DOWN, MOVE_UP };
  65
  66     static void MakeToolbarVisible();
  67     static DataStream* Set(ScDocShell *pShell, const OUString& rURL, const ScRange& rRange,
  68             sal_Int32 nLimit, MoveType eMove);
  69
  70     DataStream(
  71         ScDocShell *pShell, const OUString& rURL, const ScRange& rRange,
  72         sal_Int32 nLimit, MoveType eMove);
  73
  74     ~DataStream();
  75
  76     ScRange GetRange() const;
  77     const OUString& GetURL() const { return msURL; }
  78     MoveType GetMove() const { return meOrigMove;}
  79     bool IsRefreshOnEmptyLine() const { return mbRefreshOnEmptyLine;}
  80
  81     void Decode(
  82         const OUString& rURL, const ScRange& rRange, sal_Int32 nLimit,
  83         MoveType eMove);
  84
  85     bool ImportData();
  86     void StartImport();
  87     void StopImport();
  88
  89     void SetRefreshOnEmptyLine( bool bVal );
  90
  91 private:
  92     Line ConsumeLine();
  93     void MoveData();
  94     void Text2Doc();
  95     void Refresh();
  96
  97     DECL_LINK( ImportTimerHdl, Timer*, void );
  98
  99 private:
 100     ScDocShell* mpDocShell;
 101     DocumentStreamAccess maDocAccess;
 102     OUString msURL;
 103     MoveType meOrigMove; // Initial move setting. This one gets saved to file.
 104     MoveType meMove; // move setting during streaming, which may change in the middle.
 105     bool mbRunning;
 106     bool mbValuesInLine;
 107     bool mbRefreshOnEmptyLine;
 108     std::optional<LinesType> moLines;
 109     size_t mnLinesCount;
 110     size_t mnLinesSinceRefresh;
 111     double mfLastRefreshTime;
 112     SCROW mnCurRow;
 113     ScRange maStartRange;
 114     ScRange maEndRange;
 115
 116     Timer maImportTimer;
 117
 118     rtl::Reference<datastreams::ReaderThread> mxReaderThread;
 119     bool mbIsFirst;
 120     bool mbIsUpdate;
 121 };
 122
 123 }
 124
 125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */