michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifdef MOZ_LOGGING
michael@0: #define FORCE_PR_LOG 1 /* Allow logging in the release build */
michael@0: #endif /* MOZ_LOGGING */
michael@0: #include "prlog.h"
michael@0: 
michael@0: #include "plstr.h"
michael@0: 
michael@0: #include "nsDeviceContextSpecG.h"
michael@0: 
michael@0: #include "prenv.h" /* for PR_GetEnv */
michael@0: 
michael@0: #include "nsPrintfCString.h"
michael@0: #include "nsReadableUtils.h"
michael@0: #include "nsStringEnumerator.h"
michael@0: #include "nsIServiceManager.h" 
michael@0: 
michael@0: #include "nsPSPrinters.h"
michael@0: #include "nsPaperPS.h"  /* Paper size list */
michael@0: 
michael@0: #include "nsPrintSettingsGTK.h"
michael@0: 
michael@0: #include "nsIFileStreams.h"
michael@0: #include "nsIFile.h"
michael@0: #include "nsTArray.h"
michael@0: 
michael@0: #include "mozilla/Preferences.h"
michael@0: 
michael@0: #include <unistd.h>
michael@0: #include <sys/types.h>
michael@0: #include <sys/stat.h>
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: #ifdef PR_LOGGING 
michael@0: static PRLogModuleInfo *
michael@0: GetDeviceContextSpecGTKLog()
michael@0: {
michael@0:   static PRLogModuleInfo *sLog;
michael@0:   if (!sLog)
michael@0:     sLog = PR_NewLogModule("DeviceContextSpecGTK");
michael@0:   return sLog;
michael@0: }
michael@0: #endif /* PR_LOGGING */
michael@0: /* Macro to make lines shorter */
michael@0: #define DO_PR_DEBUG_LOG(x) PR_LOG(GetDeviceContextSpecGTKLog(), PR_LOG_DEBUG, x)
michael@0: 
michael@0: //----------------------------------------------------------------------------------
michael@0: // The printer data is shared between the PrinterEnumerator and the nsDeviceContextSpecGTK
michael@0: // The PrinterEnumerator creates the printer info
michael@0: // but the nsDeviceContextSpecGTK cleans it up
michael@0: // If it gets created (via the Page Setup Dialog) but the user never prints anything
michael@0: // then it will never be delete, so this class takes care of that.
michael@0: class GlobalPrinters {
michael@0: public:
michael@0:   static GlobalPrinters* GetInstance()   { return &mGlobalPrinters; }
michael@0:   ~GlobalPrinters()                      { FreeGlobalPrinters(); }
michael@0: 
michael@0:   void      FreeGlobalPrinters();
michael@0:   nsresult  InitializeGlobalPrinters();
michael@0: 
michael@0:   bool      PrintersAreAllocated()       { return mGlobalPrinterList != nullptr; }
michael@0:   uint32_t  GetNumPrinters()
michael@0:     { return mGlobalPrinterList ? mGlobalPrinterList->Length() : 0; }
michael@0:   nsString* GetStringAt(int32_t aInx)    { return &mGlobalPrinterList->ElementAt(aInx); }
michael@0:   void      GetDefaultPrinterName(char16_t **aDefaultPrinterName);
michael@0: 
michael@0: protected:
michael@0:   GlobalPrinters() {}
michael@0: 
michael@0:   static GlobalPrinters mGlobalPrinters;
michael@0:   static nsTArray<nsString>* mGlobalPrinterList;
michael@0: };
michael@0: 
michael@0: //---------------
michael@0: // static members
michael@0: GlobalPrinters GlobalPrinters::mGlobalPrinters;
michael@0: nsTArray<nsString>* GlobalPrinters::mGlobalPrinterList = nullptr;
michael@0: //---------------
michael@0: 
michael@0: nsDeviceContextSpecGTK::nsDeviceContextSpecGTK()
michael@0:   : mPrintJob(nullptr)
michael@0:   , mGtkPrinter(nullptr)
michael@0:   , mGtkPrintSettings(nullptr)
michael@0:   , mGtkPageSetup(nullptr)
michael@0: {
michael@0:   DO_PR_DEBUG_LOG(("nsDeviceContextSpecGTK::nsDeviceContextSpecGTK()\n"));
michael@0: }
michael@0: 
michael@0: nsDeviceContextSpecGTK::~nsDeviceContextSpecGTK()
michael@0: {
michael@0:   DO_PR_DEBUG_LOG(("nsDeviceContextSpecGTK::~nsDeviceContextSpecGTK()\n"));
michael@0: 
michael@0:   if (mGtkPageSetup) {
michael@0:     g_object_unref(mGtkPageSetup);
michael@0:   }
michael@0: 
michael@0:   if (mGtkPrintSettings) {
michael@0:     g_object_unref(mGtkPrintSettings);
michael@0:   }
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsDeviceContextSpecGTK,
michael@0:                   nsIDeviceContextSpec)
michael@0: 
michael@0: #include "gfxPDFSurface.h"
michael@0: #include "gfxPSSurface.h"
michael@0: NS_IMETHODIMP nsDeviceContextSpecGTK::GetSurfaceForPrinter(gfxASurface **aSurface)
michael@0: {
michael@0:   *aSurface = nullptr;
michael@0: 
michael@0:   const char *path;
michael@0:   GetPath(&path);
michael@0: 
michael@0:   double width, height;
michael@0:   mPrintSettings->GetEffectivePageSize(&width, &height);
michael@0: 
michael@0:   // convert twips to points
michael@0:   width  /= TWIPS_PER_POINT_FLOAT;
michael@0:   height /= TWIPS_PER_POINT_FLOAT;
michael@0: 
michael@0:   DO_PR_DEBUG_LOG(("\"%s\", %f, %f\n", path, width, height));
michael@0:   nsresult rv;
michael@0: 
michael@0:   // Spool file. Use Glib's temporary file function since we're
michael@0:   // already dependent on the gtk software stack.
michael@0:   gchar *buf;
michael@0:   gint fd = g_file_open_tmp("XXXXXX.tmp", &buf, nullptr);
michael@0:   if (-1 == fd)
michael@0:     return NS_ERROR_GFX_PRINTER_COULD_NOT_OPEN_FILE;
michael@0:   close(fd);
michael@0: 
michael@0:   rv = NS_NewNativeLocalFile(nsDependentCString(buf), false,
michael@0:                              getter_AddRefs(mSpoolFile));
michael@0:   if (NS_FAILED(rv)) {
michael@0:     unlink(buf);
michael@0:     return NS_ERROR_GFX_PRINTER_COULD_NOT_OPEN_FILE;
michael@0:   }
michael@0: 
michael@0:   mSpoolName = buf;
michael@0:   g_free(buf);
michael@0: 
michael@0:   mSpoolFile->SetPermissions(0600);
michael@0: 
michael@0:   nsCOMPtr<nsIFileOutputStream> stream = do_CreateInstance("@mozilla.org/network/file-output-stream;1");
michael@0:   rv = stream->Init(mSpoolFile, -1, -1, 0);
michael@0:   if (NS_FAILED(rv))
michael@0:     return rv;
michael@0: 
michael@0:   int16_t format;
michael@0:   mPrintSettings->GetOutputFormat(&format);
michael@0: 
michael@0:   nsRefPtr<gfxASurface> surface;
michael@0:   gfxSize surfaceSize(width, height);
michael@0: 
michael@0:   // Determine the real format with some GTK magic
michael@0:   if (format == nsIPrintSettings::kOutputFormatNative) {
michael@0:     if (mIsPPreview) {
michael@0:       // There is nothing to detect on Print Preview, use PS.
michael@0:       format = nsIPrintSettings::kOutputFormatPS;
michael@0:     } else {
michael@0:       const gchar* fmtGTK = gtk_print_settings_get(mGtkPrintSettings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT);
michael@0:       if (!fmtGTK && GTK_IS_PRINTER(mGtkPrinter)) {
michael@0:         // Likely not print-to-file, check printer's capabilities
michael@0: 
michael@0:         // Prior to gtk 2.24, gtk_printer_accepts_pdf() and
michael@0:         // gtk_printer_accepts_ps() always returned true regardless of the
michael@0:         // printer's capability.
michael@0:         if (gtk_major_version > 2 ||
michael@0:             (gtk_major_version == 2 && gtk_minor_version >= 24)) {
michael@0:           format =
michael@0:             gtk_printer_accepts_pdf(mGtkPrinter) ?
michael@0:             static_cast<int16_t>(nsIPrintSettings::kOutputFormatPDF) :
michael@0:             static_cast<int16_t>(nsIPrintSettings::kOutputFormatPS);
michael@0:         } else {
michael@0:           format = nsIPrintSettings::kOutputFormatPS;
michael@0:         }
michael@0: 
michael@0:       } else if (nsDependentCString(fmtGTK).EqualsIgnoreCase("pdf")) {
michael@0:         format = nsIPrintSettings::kOutputFormatPDF;
michael@0:       } else {
michael@0:         format = nsIPrintSettings::kOutputFormatPS;
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   if (format == nsIPrintSettings::kOutputFormatPDF) {
michael@0:     surface = new gfxPDFSurface(stream, surfaceSize);
michael@0:   } else {
michael@0:     int32_t orientation;
michael@0:     mPrintSettings->GetOrientation(&orientation);
michael@0:     if (nsIPrintSettings::kPortraitOrientation == orientation) {
michael@0:       surface = new gfxPSSurface(stream, surfaceSize, gfxPSSurface::PORTRAIT);
michael@0:     } else {
michael@0:       surface = new gfxPSSurface(stream, surfaceSize, gfxPSSurface::LANDSCAPE);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   if (!surface)
michael@0:     return NS_ERROR_OUT_OF_MEMORY;
michael@0: 
michael@0:   surface.swap(*aSurface);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /** -------------------------------------------------------
michael@0:  *  Initialize the nsDeviceContextSpecGTK
michael@0:  *  @update   dc 2/15/98
michael@0:  *  @update   syd 3/2/99
michael@0:  */
michael@0: NS_IMETHODIMP nsDeviceContextSpecGTK::Init(nsIWidget *aWidget,
michael@0:                                            nsIPrintSettings* aPS,
michael@0:                                            bool aIsPrintPreview)
michael@0: {
michael@0:   DO_PR_DEBUG_LOG(("nsDeviceContextSpecGTK::Init(aPS=%p)\n", aPS));
michael@0: 
michael@0:   if (gtk_major_version < 2 ||
michael@0:       (gtk_major_version == 2 && gtk_minor_version < 10))
michael@0:     return NS_ERROR_NOT_AVAILABLE;  // I'm so sorry bz
michael@0: 
michael@0:   mPrintSettings = aPS;
michael@0:   mIsPPreview = aIsPrintPreview;
michael@0: 
michael@0:   // This is only set by embedders
michael@0:   bool toFile;
michael@0:   aPS->GetPrintToFile(&toFile);
michael@0: 
michael@0:   mToPrinter = !toFile && !aIsPrintPreview;
michael@0: 
michael@0:   nsCOMPtr<nsPrintSettingsGTK> printSettingsGTK(do_QueryInterface(aPS));
michael@0:   if (!printSettingsGTK)
michael@0:     return NS_ERROR_NO_INTERFACE;
michael@0: 
michael@0:   mGtkPrinter = printSettingsGTK->GetGtkPrinter();
michael@0:   mGtkPrintSettings = printSettingsGTK->GetGtkPrintSettings();
michael@0:   mGtkPageSetup = printSettingsGTK->GetGtkPageSetup();
michael@0: 
michael@0:   // This is a horrible workaround for some printer driver bugs that treat custom page sizes different
michael@0:   // to standard ones. If our paper object matches one of a standard one, use a standard paper size
michael@0:   // object instead. See bug 414314 for more info.
michael@0:   GtkPaperSize* geckosHackishPaperSize = gtk_page_setup_get_paper_size(mGtkPageSetup);
michael@0:   GtkPaperSize* standardGtkPaperSize = gtk_paper_size_new(gtk_paper_size_get_name(geckosHackishPaperSize));
michael@0: 
michael@0:   mGtkPageSetup = gtk_page_setup_copy(mGtkPageSetup);
michael@0:   mGtkPrintSettings = gtk_print_settings_copy(mGtkPrintSettings);
michael@0: 
michael@0:   GtkPaperSize* properPaperSize;
michael@0:   if (gtk_paper_size_is_equal(geckosHackishPaperSize, standardGtkPaperSize)) {
michael@0:     properPaperSize = standardGtkPaperSize;
michael@0:   } else {
michael@0:     properPaperSize = geckosHackishPaperSize;
michael@0:   }
michael@0:   gtk_print_settings_set_paper_size(mGtkPrintSettings, properPaperSize);
michael@0:   gtk_page_setup_set_paper_size_and_default_margins(mGtkPageSetup, properPaperSize);
michael@0:   gtk_paper_size_free(standardGtkPaperSize);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsDeviceContextSpecGTK::GetPath(const char **aPath)      
michael@0: {
michael@0:   *aPath = mPath;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* static !! */
michael@0: nsresult nsDeviceContextSpecGTK::GetPrintMethod(const char *aPrinter, PrintMethod &aMethod)
michael@0: {
michael@0:   aMethod = pmPostScript;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: static void
michael@0: #if (MOZ_WIDGET_GTK == 3)
michael@0: print_callback(GtkPrintJob *aJob, gpointer aData, const GError *aError) {
michael@0: #else
michael@0: print_callback(GtkPrintJob *aJob, gpointer aData, GError *aError) {
michael@0: #endif
michael@0:   g_object_unref(aJob);
michael@0:   ((nsIFile*) aData)->Remove(false);
michael@0: }
michael@0: 
michael@0: static void
michael@0: ns_release_macro(gpointer aData) {
michael@0:   nsIFile* spoolFile = (nsIFile*) aData;
michael@0:   NS_RELEASE(spoolFile);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsDeviceContextSpecGTK::BeginDocument(const nsAString& aTitle, char16_t * aPrintToFileName,
michael@0:                                                     int32_t aStartPage, int32_t aEndPage)
michael@0: {
michael@0:   if (mToPrinter) {
michael@0:     if (!GTK_IS_PRINTER(mGtkPrinter))
michael@0:       return NS_ERROR_FAILURE;
michael@0: 
michael@0:     mPrintJob = gtk_print_job_new(NS_ConvertUTF16toUTF8(aTitle).get(), mGtkPrinter,
michael@0:                                   mGtkPrintSettings, mGtkPageSetup);
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsDeviceContextSpecGTK::EndDocument()
michael@0: {
michael@0:   if (mToPrinter) {
michael@0:     if (!mPrintJob)
michael@0:       return NS_OK; // The operation was aborted.
michael@0: 
michael@0:     if (!gtk_print_job_set_source_file(mPrintJob, mSpoolName.get(), nullptr))
michael@0:       return NS_ERROR_GFX_PRINTER_COULD_NOT_OPEN_FILE;
michael@0: 
michael@0:     NS_ADDREF(mSpoolFile.get());
michael@0:     gtk_print_job_send(mPrintJob, print_callback, mSpoolFile, ns_release_macro);
michael@0:   } else {
michael@0:     // Handle print-to-file ourselves for the benefit of embedders
michael@0:     nsXPIDLString targetPath;
michael@0:     nsCOMPtr<nsIFile> destFile;
michael@0:     mPrintSettings->GetToFileName(getter_Copies(targetPath));
michael@0: 
michael@0:     nsresult rv = NS_NewNativeLocalFile(NS_ConvertUTF16toUTF8(targetPath),
michael@0:                                         false, getter_AddRefs(destFile));
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     nsAutoString destLeafName;
michael@0:     rv = destFile->GetLeafName(destLeafName);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     nsCOMPtr<nsIFile> destDir;
michael@0:     rv = destFile->GetParent(getter_AddRefs(destDir));
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     rv = mSpoolFile->MoveTo(destDir, destLeafName);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     // This is the standard way to get the UNIX umask. Ugh.
michael@0:     mode_t mask = umask(0);
michael@0:     umask(mask);
michael@0:     // If you're not familiar with umasks, they contain the bits of what NOT to set in the permissions
michael@0:     // (thats because files and directories have different numbers of bits for their permissions)
michael@0:     destFile->SetPermissions(0666 & ~(mask));
michael@0:   }
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* Get prefs for printer
michael@0:  * Search order:
michael@0:  * - Get prefs per printer name and module name
michael@0:  * - Get prefs per printer name
michael@0:  * - Get prefs per module name
michael@0:  * - Get prefs
michael@0:  */
michael@0: static
michael@0: nsresult CopyPrinterCharPref(const char *modulename, const char *printername,
michael@0:                              const char *prefname, nsCString &return_buf)
michael@0: {
michael@0:   DO_PR_DEBUG_LOG(("CopyPrinterCharPref('%s', '%s', '%s')\n", modulename, printername, prefname));
michael@0: 
michael@0:   nsresult rv = NS_ERROR_FAILURE;
michael@0:  
michael@0:   if (printername && modulename) {
michael@0:     /* Get prefs per printer name and module name */
michael@0:     nsPrintfCString name("print.%s.printer_%s.%s", modulename, printername, prefname);
michael@0:     DO_PR_DEBUG_LOG(("trying to get '%s'\n", name.get()));
michael@0:     rv = Preferences::GetCString(name.get(), &return_buf);
michael@0:   }
michael@0:   
michael@0:   if (NS_FAILED(rv)) { 
michael@0:     if (printername) {
michael@0:       /* Get prefs per printer name */
michael@0:       nsPrintfCString name("print.printer_%s.%s", printername, prefname);
michael@0:       DO_PR_DEBUG_LOG(("trying to get '%s'\n", name.get()));
michael@0:       rv = Preferences::GetCString(name.get(), &return_buf);
michael@0:     }
michael@0: 
michael@0:     if (NS_FAILED(rv)) {
michael@0:       if (modulename) {
michael@0:         /* Get prefs per module name */
michael@0:         nsPrintfCString name("print.%s.%s", modulename, prefname);
michael@0:         DO_PR_DEBUG_LOG(("trying to get '%s'\n", name.get()));
michael@0:         rv = Preferences::GetCString(name.get(), &return_buf);
michael@0:       }
michael@0:       
michael@0:       if (NS_FAILED(rv)) {
michael@0:         /* Get prefs */
michael@0:         nsPrintfCString name("print.%s", prefname);
michael@0:         DO_PR_DEBUG_LOG(("trying to get '%s'\n", name.get()));
michael@0:         rv = Preferences::GetCString(name.get(), &return_buf);
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0: #ifdef PR_LOG  
michael@0:   if (NS_SUCCEEDED(rv)) {
michael@0:     DO_PR_DEBUG_LOG(("CopyPrinterCharPref returning '%s'.\n", return_buf.get()));
michael@0:   }
michael@0:   else
michael@0:   {
michael@0:     DO_PR_DEBUG_LOG(("CopyPrinterCharPref failure.\n"));
michael@0:   }
michael@0: #endif /* PR_LOG */
michael@0: 
michael@0:   return rv;
michael@0: }
michael@0: 
michael@0: //  Printer Enumerator
michael@0: nsPrinterEnumeratorGTK::nsPrinterEnumeratorGTK()
michael@0: {
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsPrinterEnumeratorGTK, nsIPrinterEnumerator)
michael@0: 
michael@0: NS_IMETHODIMP nsPrinterEnumeratorGTK::GetPrinterNameList(nsIStringEnumerator **aPrinterNameList)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aPrinterNameList);
michael@0:   *aPrinterNameList = nullptr;
michael@0:   
michael@0:   nsresult rv = GlobalPrinters::GetInstance()->InitializeGlobalPrinters();
michael@0:   if (NS_FAILED(rv)) {
michael@0:     return rv;
michael@0:   }
michael@0: 
michael@0:   uint32_t numPrinters = GlobalPrinters::GetInstance()->GetNumPrinters();
michael@0:   nsTArray<nsString> *printers = new nsTArray<nsString>(numPrinters);
michael@0:   if (!printers) {
michael@0:     GlobalPrinters::GetInstance()->FreeGlobalPrinters();
michael@0:     return NS_ERROR_OUT_OF_MEMORY;
michael@0:   }
michael@0:   
michael@0:   uint32_t count = 0;
michael@0:   while( count < numPrinters )
michael@0:   {
michael@0:     printers->AppendElement(*GlobalPrinters::GetInstance()->GetStringAt(count++));
michael@0:   }
michael@0:   GlobalPrinters::GetInstance()->FreeGlobalPrinters();
michael@0: 
michael@0:   return NS_NewAdoptingStringEnumerator(aPrinterNameList, printers);
michael@0: }
michael@0: 
michael@0: /* readonly attribute wstring defaultPrinterName; */
michael@0: NS_IMETHODIMP nsPrinterEnumeratorGTK::GetDefaultPrinterName(char16_t **aDefaultPrinterName)
michael@0: {
michael@0:   DO_PR_DEBUG_LOG(("nsPrinterEnumeratorGTK::GetDefaultPrinterName()\n"));
michael@0:   NS_ENSURE_ARG_POINTER(aDefaultPrinterName);
michael@0: 
michael@0:   GlobalPrinters::GetInstance()->GetDefaultPrinterName(aDefaultPrinterName);
michael@0: 
michael@0:   DO_PR_DEBUG_LOG(("GetDefaultPrinterName(): default printer='%s'.\n", NS_ConvertUTF16toUTF8(*aDefaultPrinterName).get()));
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* void initPrintSettingsFromPrinter (in wstring aPrinterName, in nsIPrintSettings aPrintSettings); */
michael@0: NS_IMETHODIMP nsPrinterEnumeratorGTK::InitPrintSettingsFromPrinter(const char16_t *aPrinterName, nsIPrintSettings *aPrintSettings)
michael@0: {
michael@0:   DO_PR_DEBUG_LOG(("nsPrinterEnumeratorGTK::InitPrintSettingsFromPrinter()"));
michael@0:   nsresult rv;
michael@0: 
michael@0:   NS_ENSURE_ARG_POINTER(aPrinterName);
michael@0:   NS_ENSURE_ARG_POINTER(aPrintSettings);
michael@0:   
michael@0:   NS_ENSURE_TRUE(*aPrinterName, NS_ERROR_FAILURE);
michael@0:   NS_ENSURE_TRUE(aPrintSettings, NS_ERROR_FAILURE);
michael@0: 
michael@0:   nsXPIDLCString fullPrinterName, /* Full name of printer incl. driver-specific prefix */ 
michael@0:                  printerName;     /* "Stripped" name of printer */
michael@0:   fullPrinterName.Assign(NS_ConvertUTF16toUTF8(aPrinterName));
michael@0:   printerName.Assign(NS_ConvertUTF16toUTF8(aPrinterName));
michael@0:   DO_PR_DEBUG_LOG(("printerName='%s'\n", printerName.get()));
michael@0:   
michael@0:   PrintMethod type = pmInvalid;
michael@0:   rv = nsDeviceContextSpecGTK::GetPrintMethod(printerName, type);
michael@0:   if (NS_FAILED(rv))
michael@0:     return rv;
michael@0: 
michael@0:   /* "Demangle" postscript printer name */
michael@0:   if (type == pmPostScript) {
michael@0:     /* Strip the printing method name from the printer,
michael@0:      * e.g. turn "PostScript/foobar" to "foobar" */
michael@0:     int32_t slash = printerName.FindChar('/');
michael@0:     if (kNotFound != slash)
michael@0:       printerName.Cut(0, slash + 1);
michael@0:   }
michael@0:   
michael@0:   /* Set filename */
michael@0:   nsAutoCString filename;
michael@0:   if (NS_FAILED(CopyPrinterCharPref(nullptr, printerName, "filename", filename))) {
michael@0:     const char *path;
michael@0:   
michael@0:     if (!(path = PR_GetEnv("PWD")))
michael@0:       path = PR_GetEnv("HOME");
michael@0:   
michael@0:     if (path)
michael@0:       filename = nsPrintfCString("%s/mozilla.pdf", path);
michael@0:     else
michael@0:       filename.AssignLiteral("mozilla.pdf");
michael@0:   }  
michael@0:   DO_PR_DEBUG_LOG(("Setting default filename to '%s'\n", filename.get()));
michael@0:   aPrintSettings->SetToFileName(NS_ConvertUTF8toUTF16(filename).get());
michael@0: 
michael@0:   aPrintSettings->SetIsInitializedFromPrinter(true);
michael@0: 
michael@0:   if (type == pmPostScript) {
michael@0:     DO_PR_DEBUG_LOG(("InitPrintSettingsFromPrinter() for PostScript printer\n"));
michael@0:      
michael@0:     nsAutoCString orientation;
michael@0:     if (NS_SUCCEEDED(CopyPrinterCharPref("postscript", printerName,
michael@0:                                          "orientation", orientation))) {
michael@0:       if (orientation.LowerCaseEqualsLiteral("portrait")) {
michael@0:         DO_PR_DEBUG_LOG(("setting default orientation to 'portrait'\n"));
michael@0:         aPrintSettings->SetOrientation(nsIPrintSettings::kPortraitOrientation);
michael@0:       }
michael@0:       else if (orientation.LowerCaseEqualsLiteral("landscape")) {
michael@0:         DO_PR_DEBUG_LOG(("setting default orientation to 'landscape'\n"));
michael@0:         aPrintSettings->SetOrientation(nsIPrintSettings::kLandscapeOrientation);  
michael@0:       }
michael@0:       else {
michael@0:         DO_PR_DEBUG_LOG(("Unknown default orientation '%s'\n", orientation.get()));
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     /* PostScript module does not support changing the plex mode... */
michael@0:     DO_PR_DEBUG_LOG(("setting default plex to '%s'\n", "default"));
michael@0:     aPrintSettings->SetPlexName(MOZ_UTF16("default"));
michael@0: 
michael@0:     /* PostScript module does not support changing the resolution mode... */
michael@0:     DO_PR_DEBUG_LOG(("setting default resolution to '%s'\n", "default"));
michael@0:     aPrintSettings->SetResolutionName(MOZ_UTF16("default"));
michael@0: 
michael@0:     /* PostScript module does not support changing the colorspace... */
michael@0:     DO_PR_DEBUG_LOG(("setting default colorspace to '%s'\n", "default"));
michael@0:     aPrintSettings->SetColorspace(MOZ_UTF16("default"));
michael@0: 
michael@0:     nsAutoCString papername;
michael@0:     if (NS_SUCCEEDED(CopyPrinterCharPref("postscript", printerName,
michael@0:                                          "paper_size", papername))) {
michael@0:       nsPaperSizePS paper;
michael@0: 
michael@0:       if (paper.Find(papername.get())) {
michael@0:         DO_PR_DEBUG_LOG(("setting default paper size to '%s' (%g mm/%g mm)\n",
michael@0:               paper.Name(), paper.Width_mm(), paper.Height_mm()));
michael@0: 	aPrintSettings->SetPaperSizeUnit(nsIPrintSettings::kPaperSizeMillimeters);
michael@0:         aPrintSettings->SetPaperWidth(paper.Width_mm());
michael@0:         aPrintSettings->SetPaperHeight(paper.Height_mm());
michael@0:         aPrintSettings->SetPaperName(NS_ConvertASCIItoUTF16(paper.Name()).get());
michael@0:       }
michael@0:       else {
michael@0:         DO_PR_DEBUG_LOG(("Unknown paper size '%s' given.\n", papername.get()));
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     bool hasSpoolerCmd = (nsPSPrinterList::kTypePS ==
michael@0:         nsPSPrinterList::GetPrinterType(fullPrinterName));
michael@0: 
michael@0:     if (hasSpoolerCmd) {
michael@0:       nsAutoCString command;
michael@0:       if (NS_SUCCEEDED(CopyPrinterCharPref("postscript",
michael@0:             printerName, "print_command", command))) {
michael@0:         DO_PR_DEBUG_LOG(("setting default print command to '%s'\n",
michael@0:             command.get()));
michael@0:         aPrintSettings->SetPrintCommand(NS_ConvertUTF8toUTF16(command).get());
michael@0:       }
michael@0:     }
michael@0:     
michael@0:     return NS_OK;    
michael@0:   }
michael@0: 
michael@0:   return NS_ERROR_UNEXPECTED;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsPrinterEnumeratorGTK::DisplayPropertiesDlg(const char16_t *aPrinter, nsIPrintSettings *aPrintSettings)
michael@0: {
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: //----------------------------------------------------------------------
michael@0: nsresult GlobalPrinters::InitializeGlobalPrinters ()
michael@0: {
michael@0:   if (PrintersAreAllocated()) {
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   mGlobalPrinterList = new nsTArray<nsString>();
michael@0: 
michael@0:   nsPSPrinterList psMgr;
michael@0:   if (psMgr.Enabled()) {
michael@0:     /* Get the list of PostScript-module printers */
michael@0:     // XXX: this function is the only user of GetPrinterList
michael@0:     // So it may be interesting to convert the nsCStrings
michael@0:     // in this function, we would save one loop here
michael@0:     nsTArray<nsCString> printerList;
michael@0:     psMgr.GetPrinterList(printerList);
michael@0:     for (uint32_t i = 0; i < printerList.Length(); i++)
michael@0:     {
michael@0:       mGlobalPrinterList->AppendElement(NS_ConvertUTF8toUTF16(printerList[i]));
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   /* If there are no printers available after all checks, return an error */
michael@0:   if (!mGlobalPrinterList->Length())
michael@0:   {
michael@0:     /* Make sure we do not cache an empty printer list */
michael@0:     FreeGlobalPrinters();
michael@0: 
michael@0:     return NS_ERROR_GFX_PRINTER_NO_PRINTER_AVAILABLE;
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: //----------------------------------------------------------------------
michael@0: void GlobalPrinters::FreeGlobalPrinters()
michael@0: {
michael@0:   if (mGlobalPrinterList) {
michael@0:     delete mGlobalPrinterList;
michael@0:     mGlobalPrinterList = nullptr;
michael@0:   }  
michael@0: }
michael@0: 
michael@0: void 
michael@0: GlobalPrinters::GetDefaultPrinterName(char16_t **aDefaultPrinterName)
michael@0: {
michael@0:   *aDefaultPrinterName = nullptr;
michael@0:   
michael@0:   bool allocate = !GlobalPrinters::GetInstance()->PrintersAreAllocated();
michael@0:   
michael@0:   if (allocate) {
michael@0:     nsresult rv = GlobalPrinters::GetInstance()->InitializeGlobalPrinters();
michael@0:     if (NS_FAILED(rv)) {
michael@0:       return;
michael@0:     }
michael@0:   }
michael@0:   NS_ASSERTION(GlobalPrinters::GetInstance()->PrintersAreAllocated(), "no GlobalPrinters");
michael@0: 
michael@0:   if (GlobalPrinters::GetInstance()->GetNumPrinters() == 0)
michael@0:     return;
michael@0:   
michael@0:   *aDefaultPrinterName = ToNewUnicode(*GlobalPrinters::GetInstance()->GetStringAt(0));
michael@0: 
michael@0:   if (allocate) {  
michael@0:     GlobalPrinters::GetInstance()->FreeGlobalPrinters();
michael@0:   }  
michael@0: }
michael@0: