vcl/inc/unx/gendata.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 <osl/socket.hxx>
  13
  14 #include <svdata.hxx>
  15
  16 #include <memory>
  17
  18 #ifndef IOS
  19 class FreetypeManager;
  20 #endif
  21 class SalGenericDisplay;
  22
  23 #ifndef IOS
  24
  25 namespace psp
  26 {
  27 class PrintFontManager;
  28 class PrinterInfoManager;
  29 }
  30
  31 // SalData is a bit of a mess. For ImplSVData we need a SalData base class.
  32 // Windows, MacOS and iOS implement their own SalData class, so there is no
  33 // way to do inheritance from the "top" in all plugins. We also really don't
  34 // want to rename GenericUnixSalData and don't want to reinterpret_cast some
  35 // dummy pointer everywhere, so this seems the only sensible solution.
  36 class VCL_PLUGIN_PUBLIC SalData
  37 {
  38 protected:
  39     SalData();
  40
  41 public:
  42     virtual ~SalData();
  43 };
  44
  45 #endif
  46
  47 // This class is kind of a misnomer. What this class is mainly about is the
  48 // usage of Freetype and Fontconfig, which happens to match all *nix backends;
  49 // except that the osx and ios backends are *nix but don't use this.
  50 class VCL_PLUGIN_PUBLIC GenericUnixSalData : public SalData
  51 {
  52 #ifndef IOS
  53     friend class ::psp::PrinterInfoManager;
  54 #endif
  55
  56     SalGenericDisplay* m_pDisplay;
  57     // cached hostname to avoid slow lookup
  58     OUString m_aHostname;
  59     // for transient storage of unicode strings eg. 'u123' by input methods
  60     OUString m_aUnicodeEntry;
  61
  62 #ifndef IOS
  63     std::unique_ptr<FreetypeManager> m_pFreetypeManager;
  64     std::unique_ptr<psp::PrintFontManager> m_pPrintFontManager;
  65     std::unique_ptr<psp::PrinterInfoManager> m_pPrinterInfoManager;
  66 #endif
  67
  68     void InitFreetypeManager();
  69     void InitPrintFontManager();
  70
  71 public:
  72     GenericUnixSalData();
  73     virtual ~GenericUnixSalData() override;
  74     virtual void Dispose();
  75
  76     SalGenericDisplay* GetDisplay() const { return m_pDisplay; }
  77     void SetDisplay(SalGenericDisplay* pDisp) { m_pDisplay = pDisp; }
  78
  79     const OUString& GetHostname()
  80     {
  81         if (m_aHostname.isEmpty())
  82             osl_getLocalHostname(&m_aHostname.pData);
  83         return m_aHostname;
  84     }
  85
  86     OUString& GetUnicodeCommand() { return m_aUnicodeEntry; }
  87
  88 #ifndef IOS
  89
  90     FreetypeManager* GetFreetypeManager()
  91     {
  92         if (!m_pFreetypeManager)
  93             InitFreetypeManager();
  94         return m_pFreetypeManager.get();
  95     }
  96
  97     psp::PrintFontManager* GetPrintFontManager()
  98     {
  99         if (!m_pPrintFontManager)
 100             InitPrintFontManager();
 101         // PrintFontManager needs the FreetypeManager
 102         assert(m_pFreetypeManager);
 103         return m_pPrintFontManager.get();
 104     }
 105
 106 #endif
 107
 108     // Mostly useful for remote protocol backends
 109     virtual void ErrorTrapPush() = 0;
 110     virtual bool ErrorTrapPop(bool bIgnoreError = true) = 0; // true on error
 111 };
 112
 113 inline GenericUnixSalData* GetGenericUnixSalData()
 114 {
 115     return static_cast<GenericUnixSalData*>(ImplGetSVData()->mpSalData);
 116 }
 117
 118 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */