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Bug 257381: Refactor postscript printer list logic & support printing 

through CUPS. r/sr=roc.
This commit is contained in:
kjh-5727%comcast.net 2006-02-07 01:15:08 +00:00
Родитель 37a2d640af
Коммит b8f65ebb36
1 изменённых файлов: 44 добавлений и 152 удалений
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196
widget/src/gtk2/nsDeviceContextSpecG.cpp
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@ -21,6 +21,7 @@
*
* Contributor(s):
* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
* Ken Herron <kherron+mozilla@fmailbox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
@ -62,34 +63,10 @@
#endif /* USE_XPRINT */
#ifdef USE_POSTSCRIPT
#include "nsPSPrinters.h"
#include "nsPaperPS.h" /* Paper size list */
#endif /* USE_POSTSCRIPT */
#include "prlink.h"
typedef struct /**** Printer Options ****/
{
char *name; /* Name of option */
char *value; /* Value of option */
} cups_option_t;
typedef struct /**** Destination ****/
{
char *name, /* Printer or class name */
*instance; /* Local instance name or NULL */
int is_default; /* Is this printer the default? */
int num_options; /* Number of options */
cups_option_t *options; /* Options */
} cups_dest_t;
typedef int (PR_CALLBACK *CupsGetDestsType)(cups_dest_t **dests);
typedef cups_dest_t * (PR_CALLBACK *CupsGetDestType)(const char *name,
const char *instance,
int num_dests,
cups_dest_t *dests);
typedef int (PR_CALLBACK *CupsFreeDestsType)(int num_dests,
cups_dest_t *dests);
/* Ensure that the result is always equal to either PR_TRUE or PR_FALSE */
#define MAKE_PR_BOOL(val) ((val)?(PR_TRUE):(PR_FALSE))
@ -114,7 +91,8 @@ public:
nsresult InitializeGlobalPrinters();
PRBool PrintersAreAllocated() { return mGlobalPrinterList != nsnull; }
PRInt32 GetNumPrinters() { return mGlobalNumPrinters; }
PRInt32 GetNumPrinters()
{ return mGlobalPrinterList ? mGlobalPrinterList->Count() : 0; }
nsString* GetStringAt(PRInt32 aInx) { return mGlobalPrinterList->StringAt(aInx); }
void GetDefaultPrinterName(PRUnichar **aDefaultPrinterName);
@ -123,7 +101,6 @@ protected:
static GlobalPrinters mGlobalPrinters;
static nsStringArray* mGlobalPrinterList;
static int mGlobalNumPrinters;
};
#ifdef SET_PRINTER_FEATURES_VIA_PREFS
@ -294,7 +271,6 @@ void nsPrinterFeatures::SetMultipleConcurrentDeviceContextsSupported( PRBool aCa
// static members
GlobalPrinters GlobalPrinters::mGlobalPrinters;
nsStringArray* GlobalPrinters::mGlobalPrinterList = nsnull;
int GlobalPrinters::mGlobalNumPrinters = 0;
//---------------
nsDeviceContextSpecGTK::nsDeviceContextSpecGTK()
@ -548,10 +524,8 @@ NS_IMETHODIMP nsDeviceContextSpecGTK::GetPrintMethod(PrintMethod &aMethod)
nsresult nsDeviceContextSpecGTK::GetPrintMethod(const char *aPrinter, PrintMethod &aMethod)
{
#if defined(USE_POSTSCRIPT) && defined(USE_XPRINT)
/* printer names for the PostScript module alwas start with
* the NS_POSTSCRIPT_DRIVER_NAME string */
if (strncmp(aPrinter, NS_POSTSCRIPT_DRIVER_NAME,
NS_POSTSCRIPT_DRIVER_NAME_LEN) != 0)
if (nsPSPrinterList::kTypeUnknown ==
nsPSPrinterList::GetPrinterType(nsDependentCString(aPrinter)))
aMethod = pmXprint;
else
aMethod = pmPostScript;
@ -735,9 +709,11 @@ NS_IMETHODIMP nsPrinterEnumeratorGTK::InitPrintSettingsFromPrinter(const PRUnich
#ifdef USE_POSTSCRIPT
/* "Demangle" postscript printer name */
if (type == pmPostScript) {
/* Strip the leading NS_POSTSCRIPT_DRIVER_NAME from |printerName|,
/* Strip the printing method name from the printer,
* e.g. turn "PostScript/foobar" to "foobar" */
printerName.Cut(0, NS_POSTSCRIPT_DRIVER_NAME_LEN);
PRInt32 slash = printerName.FindChar('/');
if (kNotFound != slash)
printerName.Cut(0, slash + 1);
}
#endif /* USE_POSTSCRIPT */
@ -955,7 +931,6 @@ NS_IMETHODIMP nsPrinterEnumeratorGTK::InitPrintSettingsFromPrinter(const PRUnich
printerFeatures.SetSupportsPaperSizeChange(PR_TRUE);
printerFeatures.SetSupportsOrientationChange(PR_TRUE);
printerFeatures.SetSupportsPlexChange(PR_FALSE);
printerFeatures.SetSupportsSpoolerCommandChange(PR_TRUE);
#endif /* SET_PRINTER_FEATURES_VIA_PREFS */
#ifdef SET_PRINTER_FEATURES_VIA_PREFS
@ -1027,14 +1002,21 @@ NS_IMETHODIMP nsPrinterEnumeratorGTK::InitPrintSettingsFromPrinter(const PRUnich
#endif /* SET_PRINTER_FEATURES_VIA_PREFS */
}
PRBool hasSpoolerCmd = (nsPSPrinterList::kTypePS ==
nsPSPrinterList::GetPrinterType(fullPrinterName));
#ifdef SET_PRINTER_FEATURES_VIA_PREFS
printerFeatures.SetCanChangeSpoolerCommand(PR_TRUE);
printerFeatures.SetSupportsSpoolerCommandChange(hasSpoolerCmd);
printerFeatures.SetCanChangeSpoolerCommand(hasSpoolerCmd);
#endif /* SET_PRINTER_FEATURES_VIA_PREFS */
nsXPIDLCString command;
if (NS_SUCCEEDED(CopyPrinterCharPref(pPrefs, "postscript", printerName, "print_command", getter_Copies(command)))) {
DO_PR_DEBUG_LOG(("setting default print command to '%s'\n", command.get()));
aPrintSettings->SetPrintCommand(NS_ConvertUTF8toUCS2(command).get());
if (hasSpoolerCmd) {
nsXPIDLCString command;
if (NS_SUCCEEDED(CopyPrinterCharPref(pPrefs, "postscript",
printerName, "print_command", getter_Copies(command)))) {
DO_PR_DEBUG_LOG(("setting default print command to '%s'\n",
command.get()));
aPrintSettings->SetPrintCommand(NS_ConvertUTF8toUCS2(command).get());
}
}
#ifdef SET_PRINTER_FEATURES_VIA_PREFS
@ -1053,6 +1035,18 @@ NS_IMETHODIMP nsPrinterEnumeratorGTK::DisplayPropertiesDlg(const PRUnichar *aPri
return NS_OK;
}
//----------------------------------------------------------------------
//String array enumeration callback to append a printer to the global
//printer list.
static PRBool
GlobalPrinterEnumFunc(nsCString& aName, void *aData)
{
nsStringArray *a = (nsStringArray *)aData;
a->AppendString(NS_ConvertUTF8toUTF16(aName));
return PR_TRUE;
}
//----------------------------------------------------------------------
nsresult GlobalPrinters::InitializeGlobalPrinters ()
{
@ -1060,7 +1054,6 @@ nsresult GlobalPrinters::InitializeGlobalPrinters ()
return NS_OK;
}
mGlobalNumPrinters = 0;
mGlobalPrinterList = new nsStringArray();
if (!mGlobalPrinterList)
return NS_ERROR_OUT_OF_MEMORY;
@ -1071,12 +1064,13 @@ nsresult GlobalPrinters::InitializeGlobalPrinters ()
return rv;
#ifdef USE_XPRINT
XPPrinterList plist = XpuGetPrinterList(nsnull, &mGlobalNumPrinters);
int printerCount;
XPPrinterList plist = XpuGetPrinterList(nsnull, &printerCount);
if (plist && (mGlobalNumPrinters > 0))
if (plist)
{
int i;
for( i = 0 ; i < mGlobalNumPrinters ; i++ )
for( i = 0 ; i < printerCount ; i++ )
{
/* Add name to our list of printers... */
mGlobalPrinterList->AppendString(nsString(NS_ConvertUTF8toUCS2(plist[i].name)));
@ -1090,118 +1084,17 @@ nsresult GlobalPrinters::InitializeGlobalPrinters ()
#endif /* USE_XPRINT */
#ifdef USE_POSTSCRIPT
PRBool psPrintModuleEnabled = PR_TRUE;
const char *val = PR_GetEnv("MOZILLA_POSTSCRIPT_ENABLED");
if (val) {
if (val[0] == '0' || !strcasecmp(val, "false"))
psPrintModuleEnabled = PR_FALSE;
}
else
{
if (NS_FAILED(pPrefs->GetBoolPref("print.postscript.enabled", &psPrintModuleEnabled))) {
psPrintModuleEnabled = PR_TRUE;
}
}
if (psPrintModuleEnabled) {
nsPSPrinterList psMgr;
if (NS_SUCCEEDED(psMgr.Init()) && psMgr.Enabled()) {
/* Get the list of PostScript-module printers */
char *printerList = nsnull;
PRBool added_default_printer = PR_FALSE; /* Did we already add the default printer ? */
/* The env var MOZILLA_POSTSCRIPT_PRINTER_LIST can "override" the prefs */
printerList = PR_GetEnv("MOZILLA_POSTSCRIPT_PRINTER_LIST");
if (!printerList) {
(void) pPrefs->CopyCharPref("print.printer_list", &printerList);
}
if (printerList && *printerList) {
char *tok_lasts;
const char *name;
/* PL_strtok_r() will modify the string - copy it! */
printerList = strdup(printerList);
if (!printerList)
return NS_ERROR_OUT_OF_MEMORY;
for( name = PL_strtok_r(printerList, " ", &tok_lasts) ;
name != nsnull ;
name = PL_strtok_r(nsnull, " ", &tok_lasts) )
{
/* Is this the "default" printer ? */
if (!strcmp(name, "default"))
added_default_printer = PR_TRUE;
mGlobalPrinterList->AppendString(
nsString(NS_ConvertASCIItoUCS2(NS_POSTSCRIPT_DRIVER_NAME)) +
nsString(NS_ConvertASCIItoUCS2(name)));
mGlobalNumPrinters++;
}
free(printerList);
} else {
/* Try to use CUPS */
PRLibrary *clib = PR_LoadLibrary("libcups.so.2");
if (clib) {
CupsGetDestsType CupsGetDests;
CupsGetDestType CupsGetDest;
CupsFreeDestsType CupsFreeDests;
CupsGetDests = (CupsGetDestsType) PR_FindSymbol( clib, "cupsGetDests");
CupsGetDest = (CupsGetDestType) PR_FindSymbol( clib, "cupsGetDest");
CupsFreeDests = (CupsFreeDestsType) PR_FindSymbol( clib, "cupsFreeDests");
if (CupsGetDests && CupsGetDest && CupsFreeDests) {
int num_dests;
cups_dest_t *dests;
/* Get the list of destinations */
num_dests = (*CupsGetDests)(&dests);
if (num_dests > 0) {
int i;
cups_dest_t *defdest;
/* Get the default destination */
defdest = (*CupsGetDest)(NULL, NULL, num_dests, dests);
/* Add default destination as first in list */
mGlobalPrinterList->AppendString(
nsString(NS_ConvertASCIItoUCS2(NS_POSTSCRIPT_DRIVER_NAME)) +
nsString(NS_ConvertASCIItoUCS2(defdest->name)));
mGlobalNumPrinters++;
added_default_printer = PR_TRUE;
for (i = 0; i < num_dests; i ++) {
/* Don't add the default printer again */
if (strcmp(dests[i].name, defdest->name) != 0) {
mGlobalPrinterList->AppendString(
nsString(NS_ConvertASCIItoUCS2(NS_POSTSCRIPT_DRIVER_NAME)) +
nsString(NS_ConvertASCIItoUCS2(dests[i].name)));
mGlobalNumPrinters++;
}
}
(*CupsFreeDests)(num_dests, dests);
}
}
PR_UnloadLibrary(clib);
}
}
/* Add an entry for the default printer (see nsPostScriptObj.cpp) if we
* did not add it already... */
if (!added_default_printer)
{
mGlobalPrinterList->AppendString(
nsString(NS_ConvertASCIItoUCS2(NS_POSTSCRIPT_DRIVER_NAME "default")));
mGlobalNumPrinters++;
}
nsCStringArray printerList;
psMgr.GetPrinterList(printerList);
printerList.EnumerateForwards(GlobalPrinterEnumFunc, mGlobalPrinterList);
}
#endif /* USE_POSTSCRIPT */
/* If there are no printers available after all checks, return an error */
if (mGlobalNumPrinters == 0)
if (!mGlobalPrinterList->Count())
{
/* Make sure we do not cache an empty printer list */
FreeGlobalPrinters();
@ -1225,7 +1118,6 @@ void GlobalPrinters::FreeGlobalPrinters()
if (mGlobalPrinterList) {
delete mGlobalPrinterList;
mGlobalPrinterList = nsnull;
mGlobalNumPrinters = 0;
}
}