vcl/inc/printerinfomanager.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_VCL_PRINTERINFOMANAGER_HXX
  21 #define INCLUDED_VCL_PRINTERINFOMANAGER_HXX
  22
  23 #include <memory>
  24 #include <vector>
  25 #include <unordered_map>
  26 #include <unordered_set>
  27
  28 #include <vcl/dllapi.h>
  29 #include <vcl/prntypes.hxx>
  30 #include <osl/time.h>
  31
  32 #include <cstdio>
  33
  34 #include "jobdata.hxx"
  35
  36 namespace psp
  37 {
  38
  39 class SystemQueueInfo;
  40
  41 struct PrinterInfo : JobData
  42 {
  43     // basename of PPD
  44     OUString             m_aDriverName;
  45     // can be the queue
  46     OUString             m_aLocation;
  47     // a user defined comment
  48     OUString             m_aComment;
  49     // a command line to pipe a PS-file to
  50     OUString             m_aCommand;
  51     // a command line to pipe a PS-file to in case of direct print
  52     OUString             m_aQuickCommand;
  53     // a list of special features separated by ',' not used by psprint
  54     // but assigned from the outside (currently for "fax","pdf=","autoqueue","external_dialog")
  55     OUString             m_aFeatures;
  56     // auth-info-required, potential [domain],[username],[password] to prompt for to authenticate printing
  57     OUString             m_aAuthInfoRequired;
  58     PrinterSetupMode     meSetupMode;
  59
  60     PrinterInfo()
  61         : JobData()
  62         , meSetupMode(PrinterSetupMode::SingleJob)
  63     {}
  64 };
  65
  66 class VCL_DLLPUBLIC PrinterInfoManager
  67 {
  68 public:
  69     enum class Type { Default = 0, CUPS = 1, CPD = 2 };
  70
  71     struct SystemPrintQueue
  72     {
  73         OUString       m_aQueue;
  74         OUString       m_aLocation;
  75         OUString       m_aComment;
  76     };
  77 protected:
  78     // needed for checkPrintersChanged: files (not necessarily existent)
  79     // and their last known modification time
  80     struct WatchFile
  81     {
  82         // the file in question
  83         OUString         m_aFilePath;
  84         // the last know modification time or 0, if file did not exist
  85         TimeValue               m_aModified;
  86     };
  87
  88     // internal data to describe a printer
  89     struct Printer
  90     {
  91         // configuration file containing this printer
  92         // empty means a freshly added printer that has to be saved yet
  93         OUString         m_aFile;
  94         // details other config files that have this printer
  95         // in case of removal all have to be removed
  96         std::unordered_set< OUString > m_aAlternateFiles;
  97         // the corresponding info and job data
  98         PrinterInfo             m_aInfo;
  99     };
 100
 101     std::unordered_map< OUString, Printer > m_aPrinters;
 102     PrinterInfo                         m_aGlobalDefaults;
 103     std::vector< WatchFile >            m_aWatchFiles;
 104     OUString                     m_aDefaultPrinter;
 105     OUString                     m_aSystemPrintCommand;
 106
 107     std::vector< SystemPrintQueue >     m_aSystemPrintQueues;
 108
 109     std::unique_ptr<SystemQueueInfo>
 110                                       m_pQueueInfo;
 111
 112     Type                              m_eType;
 113     OUString                     m_aSystemDefaultPaper;
 114
 115     PrinterInfoManager( Type eType = Type::Default );
 116
 117     virtual void initialize();
 118
 119     // fill default paper if not configured in config file
 120     // default paper is e.g. locale dependent
 121     // if a paper is already set it will not be overwritten
 122     void setDefaultPaper( PPDContext& rInfo ) const;
 123
 124 public:
 125
 126     // there can only be one
 127     static PrinterInfoManager& get();
 128
 129     // get PrinterInfoManager type
 130     Type getType() const { return m_eType; }
 131
 132     // lists the names of all known printers
 133     void listPrinters( std::vector< OUString >& rVector ) const;
 134
 135     // gets info about a named printer
 136     const PrinterInfo& getPrinterInfo( const OUString& rPrinter ) const;
 137
 138     // gets the name of the default printer
 139     const OUString& getDefaultPrinter() const { return m_aDefaultPrinter; }
 140
 141     virtual void setupJobContextData( JobData& rData );
 142
 143     // check if the printer configuration has changed
 144     // if bwait is true, then this method waits for eventual asynchronous
 145     // printer discovery to finish
 146     virtual bool checkPrintersChanged( bool bWait );
 147
 148     // abstract print command
 149     // returns a stdio FILE* that a postscript file may be written to
 150     // this may either be a regular file or the result of popen()
 151     virtual FILE* startSpool( const OUString& rPrinterName, bool bQuickCommand );
 152     // close the FILE* returned by startSpool and does the actual spooling
 153     // set bBanner to "false" will attempt to suppress banner printing
 154     // set bBanner to "true" will rely on the system default
 155     // returns true on success
 156     virtual bool endSpool( const OUString& rPrinterName, const OUString& rJobTitle, FILE* pFile, const JobData& rDocumentJobData, bool bBanner, const OUString &rFaxNumber );
 157
 158     // check whether a printer's feature string contains a subfeature
 159     bool checkFeatureToken( const OUString& rPrinterName, std::string_view pToken ) const;
 160
 161     virtual ~PrinterInfoManager();
 162 };
 163
 164 } // namespace
 165
 166 #endif // INCLUDED_VCL_PRINTERINFOMANAGER_HXX
 167
 168 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */