1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* ex: set tabstop=8 softtabstop=4 shiftwidth=4 expandtab: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
8 #include "nsCUPSShim.h"
9 #include "nsPSPrinters.h"
10 #include "nsReadableUtils.h" // StringBeginsWith()
11 #include "nsCUPSShim.h"
12 #include "mozilla/Preferences.h"
18 using namespace mozilla
;
20 #define NS_CUPS_PRINTER "CUPS/"
21 #define NS_CUPS_PRINTER_LEN (sizeof(NS_CUPS_PRINTER) - 1)
23 /* dummy printer name for the gfx/src/ps driver */
24 #define NS_POSTSCRIPT_DRIVER_NAME "PostScript/"
28 nsPSPrinterList::nsPSPrinterList() {
29 // Should we try cups?
30 if (Preferences::GetBool("print.postscript.cups.enabled", true) &&
31 !gCupsShim
.IsInitialized()) {
36 /* Check whether the PostScript module has been disabled at runtime */
37 bool nsPSPrinterList::Enabled() {
38 const char* val
= PR_GetEnv("MOZILLA_POSTSCRIPT_ENABLED");
39 if (val
&& (val
[0] == '0' || !PL_strcasecmp(val
, "false"))) return false;
41 // is the PS module enabled?
42 return Preferences::GetBool("print.postscript.enabled", true);
45 /* Fetch a list of printers handled by the PostsScript module */
46 void nsPSPrinterList::GetPrinterList(nsTArray
<nsCString
>& aList
) {
49 // Query CUPS for a printer list. The default printer goes to the
50 // head of the output list; others are appended.
51 if (gCupsShim
.IsInitialized()) {
54 int num_dests
= (gCupsShim
.mCupsGetDests
)(&dests
);
56 for (int i
= 0; i
< num_dests
; i
++) {
57 nsAutoCString
fullName(NS_CUPS_PRINTER
);
58 fullName
.Append(dests
[i
].name
);
59 if (dests
[i
].instance
!= nullptr) {
61 fullName
.Append(dests
[i
].instance
);
63 if (dests
[i
].is_default
)
64 aList
.InsertElementAt(0, fullName
);
66 aList
.AppendElement(fullName
);
69 (gCupsShim
.mCupsFreeDests
)(num_dests
, dests
);
72 // Build the "classic" list of printers -- those accessed by running
73 // an opaque command. This list always contains a printer named "default".
74 // In addition, we look for either an environment variable
75 // MOZILLA_POSTSCRIPT_PRINTER_LIST or a preference setting
76 // print.printer_list, which contains a space-separated list of printer
78 aList
.AppendElement(nsLiteralCString(NS_POSTSCRIPT_DRIVER_NAME
"default"));
80 nsAutoCString
list(PR_GetEnv("MOZILLA_POSTSCRIPT_PRINTER_LIST"));
82 Preferences::GetCString("print.printer_list", list
);
84 if (!list
.IsEmpty()) {
85 // For each printer (except "default" which was already added),
86 // construct a string "PostScript/<name>" and append it to the list.
89 for (char* name
= PL_strtok_r(list
.BeginWriting(), " ", &state
);
90 nullptr != name
; name
= PL_strtok_r(nullptr, " ", &state
)) {
91 if (0 != strcmp(name
, "default")) {
92 nsAutoCString
fullName(NS_POSTSCRIPT_DRIVER_NAME
);
93 fullName
.Append(name
);
94 aList
.AppendElement(fullName
);
100 /* Identify the printer type */
101 nsPSPrinterList::PrinterType
nsPSPrinterList::GetPrinterType(
102 const nsACString
& aName
) {
103 if (StringBeginsWith(aName
, nsLiteralCString(NS_POSTSCRIPT_DRIVER_NAME
))) {
106 if (StringBeginsWith(aName
, nsLiteralCString(NS_CUPS_PRINTER
))) {