LCOV - code coverage report
Current view: directory - widget/gtk2 - nsPSPrinters.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 42 0 0.0 %
Date: 2012-06-02 Functions: 4 0 0.0 %

       1                 : /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ex: set tabstop=8 softtabstop=4 shiftwidth=4 expandtab: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is the Mozilla PostScript driver printer list component.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Kenneth Herron <kherron+mozilla@fmailbox.com>
      20                 :  * Portions created by the Initial Developer are Copyright (C) 2004
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "nscore.h"
      40                 : #include "nsCUPSShim.h"
      41                 : #include "nsIServiceManager.h"
      42                 : #include "nsPSPrinters.h"
      43                 : #include "nsReadableUtils.h"        // StringBeginsWith()
      44                 : #include "nsCUPSShim.h"
      45                 : #include "mozilla/Preferences.h"
      46                 : 
      47                 : #include "prlink.h"
      48                 : #include "prenv.h"
      49                 : #include "plstr.h"
      50                 : 
      51                 : using namespace mozilla;
      52                 : 
      53                 : #define NS_CUPS_PRINTER "CUPS/"
      54                 : #define NS_CUPS_PRINTER_LEN (sizeof(NS_CUPS_PRINTER) - 1)
      55                 : 
      56                 : /* dummy printer name for the gfx/src/ps driver */
      57                 : #define NS_POSTSCRIPT_DRIVER_NAME "PostScript/"
      58                 : 
      59                 : nsCUPSShim gCupsShim;
      60                 : 
      61               0 : nsPSPrinterList::nsPSPrinterList()
      62                 : {
      63                 :     // Should we try cups?
      64               0 :     if (Preferences::GetBool("print.postscript.cups.enabled", true) &&
      65               0 :         !gCupsShim.IsInitialized()) {
      66               0 :         gCupsShim.Init();
      67                 :     }
      68               0 : }
      69                 : 
      70                 : 
      71                 : /* Check whether the PostScript module has been disabled at runtime */
      72                 : bool
      73               0 : nsPSPrinterList::Enabled()
      74                 : {
      75               0 :     const char *val = PR_GetEnv("MOZILLA_POSTSCRIPT_ENABLED");
      76               0 :     if (val && (val[0] == '0' || !PL_strcasecmp(val, "false")))
      77               0 :         return false;
      78                 : 
      79                 :     // is the PS module enabled?
      80               0 :     return Preferences::GetBool("print.postscript.enabled", true);
      81                 : }
      82                 : 
      83                 : 
      84                 : /* Fetch a list of printers handled by the PostsScript module */
      85                 : void
      86               0 : nsPSPrinterList::GetPrinterList(nsTArray<nsCString>& aList)
      87                 : {
      88               0 :     aList.Clear();
      89                 : 
      90                 :     // Query CUPS for a printer list. The default printer goes to the
      91                 :     // head of the output list; others are appended.
      92               0 :     if (gCupsShim.IsInitialized()) {
      93                 :         cups_dest_t *dests;
      94                 : 
      95               0 :         int num_dests = (gCupsShim.mCupsGetDests)(&dests);
      96               0 :         if (num_dests) {
      97               0 :             for (int i = 0; i < num_dests; i++) {
      98               0 :                 nsCAutoString fullName(NS_CUPS_PRINTER);
      99               0 :                 fullName.Append(dests[i].name);
     100               0 :                 if (dests[i].instance != NULL) {
     101               0 :                     fullName.Append("/");
     102               0 :                     fullName.Append(dests[i].instance);
     103                 :                 }
     104               0 :                 if (dests[i].is_default)
     105               0 :                     aList.InsertElementAt(0, fullName);
     106                 :                 else
     107               0 :                     aList.AppendElement(fullName);
     108                 :             }
     109                 :         }
     110               0 :         (gCupsShim.mCupsFreeDests)(num_dests, dests);
     111                 :     }
     112                 : 
     113                 :     // Build the "classic" list of printers -- those accessed by running
     114                 :     // an opaque command. This list always contains a printer named "default".
     115                 :     // In addition, we look for either an environment variable
     116                 :     // MOZILLA_POSTSCRIPT_PRINTER_LIST or a preference setting
     117                 :     // print.printer_list, which contains a space-separated list of printer
     118                 :     // names.
     119                 :     aList.AppendElement(
     120               0 :             NS_LITERAL_CSTRING(NS_POSTSCRIPT_DRIVER_NAME "default"));
     121                 : 
     122               0 :     nsCAutoString list(PR_GetEnv("MOZILLA_POSTSCRIPT_PRINTER_LIST"));
     123               0 :     if (list.IsEmpty()) {
     124               0 :         list = Preferences::GetCString("print.printer_list");
     125                 :     }
     126               0 :     if (!list.IsEmpty()) {
     127                 :         // For each printer (except "default" which was already added),
     128                 :         // construct a string "PostScript/<name>" and append it to the list.
     129                 :         char *state;
     130                 : 
     131               0 :         for (char *name = PL_strtok_r(list.BeginWriting(), " ", &state);
     132                 :                 nsnull != name;
     133                 :                 name = PL_strtok_r(nsnull, " ", &state)
     134                 :         ) {
     135               0 :             if (0 != strcmp(name, "default")) {
     136               0 :                 nsCAutoString fullName(NS_POSTSCRIPT_DRIVER_NAME);
     137               0 :                 fullName.Append(name);
     138               0 :                 aList.AppendElement(fullName);
     139                 :             }
     140                 :         }
     141                 :     }
     142               0 : }
     143                 : 
     144                 : 
     145                 : /* Identify the printer type */
     146                 : nsPSPrinterList::PrinterType
     147               0 : nsPSPrinterList::GetPrinterType(const nsACString& aName)
     148                 : {
     149               0 :     if (StringBeginsWith(aName, NS_LITERAL_CSTRING(NS_POSTSCRIPT_DRIVER_NAME)))
     150               0 :         return kTypePS;
     151               0 :     else if (StringBeginsWith(aName, NS_LITERAL_CSTRING(NS_CUPS_PRINTER)))
     152               0 :         return kTypeCUPS;
     153                 :     else
     154               0 :         return kTypeUnknown;
     155                 : }

Generated by: LCOV version 1.7