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: #include "nsPrintSettingsGTK.h"
michael@0: #include "nsIFile.h"
michael@0: #include "nsNetUtil.h"
michael@0: #include <stdlib.h>
michael@0: #include <algorithm>
michael@0: 
michael@0: static
michael@0: gboolean ref_printer(GtkPrinter *aPrinter, gpointer aData)
michael@0: {
michael@0:   ((nsPrintSettingsGTK*) aData)->SetGtkPrinter(aPrinter);
michael@0:   return TRUE;
michael@0: }
michael@0: 
michael@0: static
michael@0: gboolean printer_enumerator(GtkPrinter *aPrinter, gpointer aData)
michael@0: {
michael@0:   if (gtk_printer_is_default(aPrinter))
michael@0:     return ref_printer(aPrinter, aData);
michael@0: 
michael@0:   return FALSE; // Keep 'em coming...
michael@0: }
michael@0: 
michael@0: static
michael@0: GtkPaperSize* moz_gtk_paper_size_copy_to_new_custom(GtkPaperSize* oldPaperSize)
michael@0: {
michael@0:   // We make a "custom-ified" copy of the paper size so it can be changed later.
michael@0:   return gtk_paper_size_new_custom(gtk_paper_size_get_name(oldPaperSize),
michael@0:                                    gtk_paper_size_get_display_name(oldPaperSize),
michael@0:                                    gtk_paper_size_get_width(oldPaperSize, GTK_UNIT_INCH),
michael@0:                                    gtk_paper_size_get_height(oldPaperSize, GTK_UNIT_INCH),
michael@0:                                    GTK_UNIT_INCH);
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS_INHERITED(nsPrintSettingsGTK, 
michael@0:                             nsPrintSettings, 
michael@0:                             nsPrintSettingsGTK)
michael@0: 
michael@0: /** ---------------------------------------------------
michael@0:  */
michael@0: nsPrintSettingsGTK::nsPrintSettingsGTK() :
michael@0:   mPageSetup(nullptr),
michael@0:   mPrintSettings(nullptr),
michael@0:   mGTKPrinter(nullptr),
michael@0:   mPrintSelectionOnly(false)
michael@0: {
michael@0:   // The aim here is to set up the objects enough that silent printing works well.
michael@0:   // These will be replaced anyway if the print dialog is used.
michael@0:   mPrintSettings = gtk_print_settings_new();
michael@0:   mPageSetup = gtk_page_setup_new();
michael@0:   InitUnwriteableMargin();
michael@0: 
michael@0:   SetOutputFormat(nsIPrintSettings::kOutputFormatNative);
michael@0: 
michael@0:   GtkPaperSize* defaultPaperSize = gtk_paper_size_new(nullptr);
michael@0:   mPaperSize = moz_gtk_paper_size_copy_to_new_custom(defaultPaperSize);
michael@0:   gtk_paper_size_free(defaultPaperSize);
michael@0:   SaveNewPageSize();
michael@0: }
michael@0: 
michael@0: /** ---------------------------------------------------
michael@0:  */
michael@0: nsPrintSettingsGTK::~nsPrintSettingsGTK()
michael@0: {
michael@0:   if (mPageSetup) {
michael@0:     g_object_unref(mPageSetup);
michael@0:     mPageSetup = nullptr;
michael@0:   }
michael@0:   if (mPrintSettings) {
michael@0:     g_object_unref(mPrintSettings);
michael@0:     mPrintSettings = nullptr;
michael@0:   }
michael@0:   if (mGTKPrinter) {
michael@0:     g_object_unref(mGTKPrinter);
michael@0:     mGTKPrinter = nullptr;
michael@0:   }
michael@0:   gtk_paper_size_free(mPaperSize);
michael@0: }
michael@0: 
michael@0: /** ---------------------------------------------------
michael@0:  */
michael@0: nsPrintSettingsGTK::nsPrintSettingsGTK(const nsPrintSettingsGTK& aPS) :
michael@0:   mPageSetup(nullptr),
michael@0:   mPrintSettings(nullptr),
michael@0:   mGTKPrinter(nullptr),
michael@0:   mPrintSelectionOnly(false)
michael@0: {
michael@0:   *this = aPS;
michael@0: }
michael@0: 
michael@0: /** ---------------------------------------------------
michael@0:  */
michael@0: nsPrintSettingsGTK& nsPrintSettingsGTK::operator=(const nsPrintSettingsGTK& rhs)
michael@0: {
michael@0:   if (this == &rhs) {
michael@0:     return *this;
michael@0:   }
michael@0:   
michael@0:   nsPrintSettings::operator=(rhs);
michael@0: 
michael@0:   if (mPageSetup)
michael@0:     g_object_unref(mPageSetup);
michael@0:   mPageSetup = gtk_page_setup_copy(rhs.mPageSetup);
michael@0:   // NOTE: No need to re-initialize mUnwriteableMargin here (even
michael@0:   // though mPageSetup is changing). It'll be copied correctly by
michael@0:   // nsPrintSettings::operator=.
michael@0: 
michael@0:   if (mPrintSettings)
michael@0:     g_object_unref(mPrintSettings);
michael@0:   mPrintSettings = gtk_print_settings_copy(rhs.mPrintSettings);
michael@0: 
michael@0:   if (mGTKPrinter)
michael@0:     g_object_unref(mGTKPrinter);
michael@0:   mGTKPrinter = (GtkPrinter*) g_object_ref(rhs.mGTKPrinter);
michael@0: 
michael@0:   mPrintSelectionOnly = rhs.mPrintSelectionOnly;
michael@0: 
michael@0:   return *this;
michael@0: }
michael@0: 
michael@0: /** -------------------------------------------
michael@0:  */
michael@0: nsresult nsPrintSettingsGTK::_Clone(nsIPrintSettings **_retval)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(_retval);
michael@0:   *_retval = nullptr;
michael@0:   
michael@0:   nsPrintSettingsGTK *newSettings = new nsPrintSettingsGTK(*this);
michael@0:   if (!newSettings)
michael@0:     return NS_ERROR_FAILURE;
michael@0:   *_retval = newSettings;
michael@0:   NS_ADDREF(*_retval);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: 
michael@0: /** -------------------------------------------
michael@0:  */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::_Assign(nsIPrintSettings *aPS)
michael@0: {
michael@0:   nsPrintSettingsGTK *printSettingsGTK = static_cast<nsPrintSettingsGTK*>(aPS);
michael@0:   if (!printSettingsGTK)
michael@0:     return NS_ERROR_UNEXPECTED;
michael@0:   *this = *printSettingsGTK;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /** ---------------------------------------------------
michael@0:  */
michael@0: void
michael@0: nsPrintSettingsGTK::SetGtkPageSetup(GtkPageSetup *aPageSetup)
michael@0: {
michael@0:   if (mPageSetup)
michael@0:     g_object_unref(mPageSetup);
michael@0:   
michael@0:   mPageSetup = (GtkPageSetup*) g_object_ref(aPageSetup);
michael@0:   InitUnwriteableMargin();
michael@0: 
michael@0:   // We make a custom copy of the GtkPaperSize so it can be mutable. If a
michael@0:   // GtkPaperSize wasn't made as custom, its properties are immutable.
michael@0:   GtkPaperSize* newPaperSize = gtk_page_setup_get_paper_size(aPageSetup);
michael@0:   if (newPaperSize) { // Yes, this can be null
michael@0:     gtk_paper_size_free(mPaperSize);
michael@0:     mPaperSize = moz_gtk_paper_size_copy_to_new_custom(newPaperSize);
michael@0:   }
michael@0:   // If newPaperSize was not null, we must update our twin too (GtkPrintSettings).
michael@0:   // If newPaperSize was null, we must set this object to use mPaperSize.
michael@0:   SaveNewPageSize();
michael@0: }
michael@0: 
michael@0: /** ---------------------------------------------------
michael@0:  */
michael@0: void
michael@0: nsPrintSettingsGTK::SetGtkPrintSettings(GtkPrintSettings *aPrintSettings)
michael@0: {
michael@0:   if (mPrintSettings)
michael@0:     g_object_unref(mPrintSettings);
michael@0:   
michael@0:   mPrintSettings = (GtkPrintSettings*) g_object_ref(aPrintSettings);
michael@0: 
michael@0:   GtkPaperSize* newPaperSize = gtk_print_settings_get_paper_size(aPrintSettings);
michael@0:   if (newPaperSize) {
michael@0:     gtk_paper_size_free(mPaperSize);
michael@0:     mPaperSize = moz_gtk_paper_size_copy_to_new_custom(newPaperSize);
michael@0:   }
michael@0:   SaveNewPageSize();
michael@0: }
michael@0: 
michael@0: /** ---------------------------------------------------
michael@0:  */
michael@0: void
michael@0: nsPrintSettingsGTK::SetGtkPrinter(GtkPrinter *aPrinter)
michael@0: {
michael@0:   if (mGTKPrinter)
michael@0:     g_object_unref(mGTKPrinter);
michael@0:   
michael@0:   mGTKPrinter = (GtkPrinter*) g_object_ref(aPrinter);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Reimplementation of nsPrintSettings functions so that we get the values
michael@0:  * from the GTK objects rather than our own variables.
michael@0:  */
michael@0: 
michael@0: /* attribute long printRange; */
michael@0: NS_IMETHODIMP nsPrintSettingsGTK::GetPrintRange(int16_t *aPrintRange)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aPrintRange);
michael@0:   if (mPrintSelectionOnly) {
michael@0:     *aPrintRange = kRangeSelection;
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   GtkPrintPages gtkRange = gtk_print_settings_get_print_pages(mPrintSettings);
michael@0:   if (gtkRange == GTK_PRINT_PAGES_RANGES)
michael@0:     *aPrintRange = kRangeSpecifiedPageRange;
michael@0:   else
michael@0:     *aPrintRange = kRangeAllPages;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP nsPrintSettingsGTK::SetPrintRange(int16_t aPrintRange)
michael@0: {
michael@0:   if (aPrintRange == kRangeSelection) {
michael@0:     mPrintSelectionOnly = true;
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   mPrintSelectionOnly = false;
michael@0:   if (aPrintRange == kRangeSpecifiedPageRange)
michael@0:     gtk_print_settings_set_print_pages(mPrintSettings, GTK_PRINT_PAGES_RANGES);
michael@0:   else
michael@0:     gtk_print_settings_set_print_pages(mPrintSettings, GTK_PRINT_PAGES_ALL);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute long startPageRange; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetStartPageRange(int32_t *aStartPageRange)
michael@0: {
michael@0:   gint ctRanges;
michael@0:   GtkPageRange* lstRanges = gtk_print_settings_get_page_ranges(mPrintSettings, &ctRanges);
michael@0: 
michael@0:   // Make sure we got a range.
michael@0:   if (ctRanges < 1) {
michael@0:     *aStartPageRange = 1;
michael@0:   } else {
michael@0:     // GTK supports multiple page ranges; gecko only supports 1. So find
michael@0:     // the lowest start page.
michael@0:     int32_t start(lstRanges[0].start);
michael@0:     for (gint ii = 1; ii < ctRanges; ii++) {
michael@0:       start = std::min(lstRanges[ii].start, start);
michael@0:     }
michael@0:     *aStartPageRange = start + 1;
michael@0:   }
michael@0: 
michael@0:   g_free(lstRanges);
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetStartPageRange(int32_t aStartPageRange)
michael@0: {
michael@0:   int32_t endRange;
michael@0:   GetEndPageRange(&endRange);
michael@0: 
michael@0:   GtkPageRange gtkRange;
michael@0:   gtkRange.start = aStartPageRange - 1;
michael@0:   gtkRange.end = endRange - 1;
michael@0: 
michael@0:   gtk_print_settings_set_page_ranges(mPrintSettings, &gtkRange, 1);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute long endPageRange; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetEndPageRange(int32_t *aEndPageRange)
michael@0: {
michael@0:   gint ctRanges;
michael@0:   GtkPageRange* lstRanges = gtk_print_settings_get_page_ranges(mPrintSettings, &ctRanges);
michael@0: 
michael@0:   if (ctRanges < 1) {
michael@0:     *aEndPageRange = 1;
michael@0:   } else {
michael@0:     int32_t end(lstRanges[0].end);
michael@0:     for (gint ii = 1; ii < ctRanges; ii++) {
michael@0:       end = std::max(lstRanges[ii].end, end);
michael@0:     }
michael@0:     *aEndPageRange = end + 1;
michael@0:   }
michael@0: 
michael@0:   g_free(lstRanges);
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetEndPageRange(int32_t aEndPageRange)
michael@0: {
michael@0:   int32_t startRange;
michael@0:   GetStartPageRange(&startRange);
michael@0: 
michael@0:   GtkPageRange gtkRange;
michael@0:   gtkRange.start = startRange - 1;
michael@0:   gtkRange.end = aEndPageRange - 1;
michael@0: 
michael@0:   gtk_print_settings_set_page_ranges(mPrintSettings, &gtkRange, 1);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute boolean printReversed; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetPrintReversed(bool *aPrintReversed)
michael@0: {
michael@0:   *aPrintReversed = gtk_print_settings_get_reverse(mPrintSettings);
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetPrintReversed(bool aPrintReversed)
michael@0: {
michael@0:   gtk_print_settings_set_reverse(mPrintSettings, aPrintReversed);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute boolean printInColor; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetPrintInColor(bool *aPrintInColor)
michael@0: {
michael@0:   *aPrintInColor = gtk_print_settings_get_use_color(mPrintSettings);
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetPrintInColor(bool aPrintInColor)
michael@0: {
michael@0:   gtk_print_settings_set_use_color(mPrintSettings, aPrintInColor);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute short orientation; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetOrientation(int32_t *aOrientation)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aOrientation);
michael@0: 
michael@0:   GtkPageOrientation gtkOrient = gtk_page_setup_get_orientation(mPageSetup);
michael@0:   switch (gtkOrient) {
michael@0:     case GTK_PAGE_ORIENTATION_LANDSCAPE:
michael@0:     case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE:
michael@0:       *aOrientation = kLandscapeOrientation;
michael@0:       break;
michael@0: 
michael@0:     case GTK_PAGE_ORIENTATION_PORTRAIT:
michael@0:     case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT:
michael@0:     default:
michael@0:       *aOrientation = kPortraitOrientation;
michael@0:   }
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetOrientation(int32_t aOrientation)
michael@0: {
michael@0:   GtkPageOrientation gtkOrient;
michael@0:   if (aOrientation == kLandscapeOrientation)
michael@0:     gtkOrient = GTK_PAGE_ORIENTATION_LANDSCAPE;
michael@0:   else
michael@0:     gtkOrient = GTK_PAGE_ORIENTATION_PORTRAIT;
michael@0: 
michael@0:   gtk_print_settings_set_orientation(mPrintSettings, gtkOrient);
michael@0:   gtk_page_setup_set_orientation(mPageSetup, gtkOrient);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute wstring toFileName; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetToFileName(char16_t * *aToFileName)
michael@0: {
michael@0:   // Get the gtk output filename
michael@0:   const char* gtk_output_uri = gtk_print_settings_get(mPrintSettings, GTK_PRINT_SETTINGS_OUTPUT_URI);
michael@0:   if (!gtk_output_uri) {
michael@0:     *aToFileName = ToNewUnicode(mToFileName);
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   // Convert to an nsIFile
michael@0:   nsCOMPtr<nsIFile> file;
michael@0:   nsresult rv = NS_GetFileFromURLSpec(nsDependentCString(gtk_output_uri),
michael@0:                                       getter_AddRefs(file));
michael@0:   if (NS_FAILED(rv))
michael@0:     return rv;
michael@0: 
michael@0:   // Extract the path
michael@0:   nsAutoString path;
michael@0:   rv = file->GetPath(path);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   *aToFileName = ToNewUnicode(path);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetToFileName(const char16_t * aToFileName)
michael@0: {
michael@0:   if (aToFileName[0] == 0) {
michael@0:     mToFileName.SetLength(0);
michael@0:     gtk_print_settings_set(mPrintSettings, GTK_PRINT_SETTINGS_OUTPUT_URI,
michael@0:                            nullptr);
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   if (StringEndsWith(nsDependentString(aToFileName), NS_LITERAL_STRING(".ps"))) {
michael@0:     gtk_print_settings_set(mPrintSettings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT, "ps");
michael@0:   } else {
michael@0:     gtk_print_settings_set(mPrintSettings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT, "pdf");
michael@0:   }
michael@0: 
michael@0:   nsCOMPtr<nsIFile> file;
michael@0:   nsresult rv = NS_NewLocalFile(nsDependentString(aToFileName), true,
michael@0:                                 getter_AddRefs(file));
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   // Convert the nsIFile to a URL
michael@0:   nsAutoCString url;
michael@0:   rv = NS_GetURLSpecFromFile(file, url);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   gtk_print_settings_set(mPrintSettings, GTK_PRINT_SETTINGS_OUTPUT_URI, url.get());
michael@0:   mToFileName = aToFileName;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetPrinterName(char16_t * *aPrinter)
michael@0: {
michael@0:   const char* gtkPrintName = gtk_print_settings_get_printer(mPrintSettings);
michael@0:   if (!gtkPrintName) {
michael@0:     if (GTK_IS_PRINTER(mGTKPrinter)) {
michael@0:       gtkPrintName = gtk_printer_get_name(mGTKPrinter);
michael@0:     } else {
michael@0:       // This mimics what nsPrintSettingsImpl does when we try to Get before we Set
michael@0:       nsXPIDLString nullPrintName;
michael@0:       *aPrinter = ToNewUnicode(nullPrintName);
michael@0:       return NS_OK;
michael@0:     }
michael@0:   }
michael@0:   *aPrinter = ToNewUnicode(nsDependentCString(gtkPrintName));
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetPrinterName(const char16_t * aPrinter)
michael@0: {
michael@0:   NS_ConvertUTF16toUTF8 gtkPrinter(aPrinter);
michael@0: 
michael@0:   if (StringBeginsWith(gtkPrinter, NS_LITERAL_CSTRING("CUPS/"))) {
michael@0:     // Strip off "CUPS/"; GTK might recognize the rest
michael@0:     gtkPrinter.Cut(0, strlen("CUPS/"));
michael@0:   }
michael@0: 
michael@0:   // Give mPrintSettings the passed-in printer name if either...
michael@0:   // - it has no printer name stored yet
michael@0:   // - it has an existing printer name that's different from
michael@0:   //   the name passed to this function.
michael@0:   const char* oldPrinterName = gtk_print_settings_get_printer(mPrintSettings);
michael@0:   if (!oldPrinterName || !gtkPrinter.Equals(oldPrinterName)) {
michael@0:     mIsInitedFromPrinter = false;
michael@0:     mIsInitedFromPrefs = false;
michael@0:     gtk_print_settings_set_printer(mPrintSettings, gtkPrinter.get());
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute long numCopies; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetNumCopies(int32_t *aNumCopies)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aNumCopies);
michael@0:   *aNumCopies = gtk_print_settings_get_n_copies(mPrintSettings);
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetNumCopies(int32_t aNumCopies)
michael@0: {
michael@0:   gtk_print_settings_set_n_copies(mPrintSettings, aNumCopies);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute double scaling; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetScaling(double *aScaling)
michael@0: {
michael@0:   *aScaling = gtk_print_settings_get_scale(mPrintSettings) / 100.0;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetScaling(double aScaling)
michael@0: {
michael@0:   gtk_print_settings_set_scale(mPrintSettings, aScaling * 100.0);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute wstring paperName; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetPaperName(char16_t * *aPaperName)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aPaperName);
michael@0:   *aPaperName = ToNewUnicode(NS_ConvertUTF8toUTF16(gtk_paper_size_get_name(mPaperSize)));
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetPaperName(const char16_t * aPaperName)
michael@0: {
michael@0:   NS_ConvertUTF16toUTF8 gtkPaperName(aPaperName);
michael@0: 
michael@0:   // Convert these Gecko names to GTK names
michael@0:   if (gtkPaperName.EqualsIgnoreCase("letter"))
michael@0:     gtkPaperName.AssignLiteral(GTK_PAPER_NAME_LETTER);
michael@0:   else if (gtkPaperName.EqualsIgnoreCase("legal"))
michael@0:     gtkPaperName.AssignLiteral(GTK_PAPER_NAME_LEGAL);
michael@0: 
michael@0:   // Try to get the display name from the name so our paper size fits in the Page Setup dialog.
michael@0:   GtkPaperSize* paperSize = gtk_paper_size_new(gtkPaperName.get());
michael@0:   char* displayName = strdup(gtk_paper_size_get_display_name(paperSize));
michael@0:   gtk_paper_size_free(paperSize);
michael@0: 
michael@0:   paperSize = gtk_paper_size_new_custom(gtkPaperName.get(), displayName,
michael@0:                                         gtk_paper_size_get_width(mPaperSize, GTK_UNIT_INCH),
michael@0:                                         gtk_paper_size_get_height(mPaperSize, GTK_UNIT_INCH),
michael@0:                                         GTK_UNIT_INCH);
michael@0: 
michael@0:   free(displayName);
michael@0:   gtk_paper_size_free(mPaperSize);
michael@0:   mPaperSize = paperSize;
michael@0:   SaveNewPageSize();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: GtkUnit
michael@0: nsPrintSettingsGTK::GetGTKUnit(int16_t aGeckoUnit)
michael@0: {
michael@0:   if (aGeckoUnit == kPaperSizeMillimeters)
michael@0:     return GTK_UNIT_MM;
michael@0:   else
michael@0:     return GTK_UNIT_INCH;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsPrintSettingsGTK::SaveNewPageSize()
michael@0: {
michael@0:   gtk_print_settings_set_paper_size(mPrintSettings, mPaperSize);
michael@0:   gtk_page_setup_set_paper_size(mPageSetup, mPaperSize);
michael@0: }
michael@0: 
michael@0: void
michael@0: nsPrintSettingsGTK::InitUnwriteableMargin()
michael@0: {
michael@0:   mUnwriteableMargin.SizeTo(
michael@0:    NS_INCHES_TO_INT_TWIPS(gtk_page_setup_get_top_margin(mPageSetup, GTK_UNIT_INCH)),
michael@0:    NS_INCHES_TO_INT_TWIPS(gtk_page_setup_get_right_margin(mPageSetup, GTK_UNIT_INCH)),
michael@0:    NS_INCHES_TO_INT_TWIPS(gtk_page_setup_get_bottom_margin(mPageSetup, GTK_UNIT_INCH)),
michael@0:    NS_INCHES_TO_INT_TWIPS(gtk_page_setup_get_left_margin(mPageSetup, GTK_UNIT_INCH))
michael@0:   );
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * NOTE: Need a custom set of SetUnwriteableMargin functions, because
michael@0:  * whenever we change mUnwriteableMargin, we must pass the change
michael@0:  * down to our GTKPageSetup object.  (This is needed in order for us
michael@0:  * to give the correct default values in nsPrintDialogGTK.)
michael@0:  *
michael@0:  * It's important that the following functions pass 
michael@0:  * mUnwriteableMargin values rather than aUnwriteableMargin values
michael@0:  * to gtk_page_setup_set_[blank]_margin, because the two may not be
michael@0:  * the same.  (Specifically, negative values of aUnwriteableMargin
michael@0:  * are ignored by the nsPrintSettings::SetUnwriteableMargin functions.)
michael@0:  */
michael@0: NS_IMETHODIMP 
michael@0: nsPrintSettingsGTK::SetUnwriteableMarginInTwips(nsIntMargin& aUnwriteableMargin)
michael@0: {
michael@0:   nsPrintSettings::SetUnwriteableMarginInTwips(aUnwriteableMargin);
michael@0:   gtk_page_setup_set_top_margin(mPageSetup,
michael@0:            NS_TWIPS_TO_INCHES(mUnwriteableMargin.top), GTK_UNIT_INCH);
michael@0:   gtk_page_setup_set_left_margin(mPageSetup,
michael@0:            NS_TWIPS_TO_INCHES(mUnwriteableMargin.left), GTK_UNIT_INCH);
michael@0:   gtk_page_setup_set_bottom_margin(mPageSetup,
michael@0:            NS_TWIPS_TO_INCHES(mUnwriteableMargin.bottom), GTK_UNIT_INCH);
michael@0:   gtk_page_setup_set_right_margin(mPageSetup,
michael@0:            NS_TWIPS_TO_INCHES(mUnwriteableMargin.right), GTK_UNIT_INCH);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute double unwriteableMarginTop; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetUnwriteableMarginTop(double aUnwriteableMarginTop)
michael@0: {
michael@0:   nsPrintSettings::SetUnwriteableMarginTop(aUnwriteableMarginTop);
michael@0:   gtk_page_setup_set_top_margin(mPageSetup,
michael@0:            NS_TWIPS_TO_INCHES(mUnwriteableMargin.top), GTK_UNIT_INCH);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute double unwriteableMarginLeft; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetUnwriteableMarginLeft(double aUnwriteableMarginLeft)
michael@0: {
michael@0:   nsPrintSettings::SetUnwriteableMarginLeft(aUnwriteableMarginLeft);
michael@0:   gtk_page_setup_set_left_margin(mPageSetup,
michael@0:            NS_TWIPS_TO_INCHES(mUnwriteableMargin.left), GTK_UNIT_INCH);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute double unwriteableMarginBottom; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetUnwriteableMarginBottom(double aUnwriteableMarginBottom)
michael@0: {
michael@0:   nsPrintSettings::SetUnwriteableMarginBottom(aUnwriteableMarginBottom);
michael@0:   gtk_page_setup_set_bottom_margin(mPageSetup,
michael@0:            NS_TWIPS_TO_INCHES(mUnwriteableMargin.bottom), GTK_UNIT_INCH);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute double unwriteableMarginRight; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetUnwriteableMarginRight(double aUnwriteableMarginRight)
michael@0: {
michael@0:   nsPrintSettings::SetUnwriteableMarginRight(aUnwriteableMarginRight);
michael@0:   gtk_page_setup_set_right_margin(mPageSetup,
michael@0:            NS_TWIPS_TO_INCHES(mUnwriteableMargin.right), GTK_UNIT_INCH);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute double paperWidth; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetPaperWidth(double *aPaperWidth)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aPaperWidth);
michael@0:   *aPaperWidth = gtk_paper_size_get_width(mPaperSize, GetGTKUnit(mPaperSizeUnit));
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetPaperWidth(double aPaperWidth)
michael@0: {
michael@0:   gtk_paper_size_set_size(mPaperSize,
michael@0:                           aPaperWidth,
michael@0:                           gtk_paper_size_get_height(mPaperSize, GetGTKUnit(mPaperSizeUnit)),
michael@0:                           GetGTKUnit(mPaperSizeUnit));
michael@0:   SaveNewPageSize();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /* attribute double paperHeight; */
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetPaperHeight(double *aPaperHeight)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aPaperHeight);
michael@0:   *aPaperHeight = gtk_paper_size_get_height(mPaperSize, GetGTKUnit(mPaperSizeUnit));
michael@0:   return NS_OK;
michael@0: }
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetPaperHeight(double aPaperHeight)
michael@0: {
michael@0:   gtk_paper_size_set_size(mPaperSize,
michael@0:                           gtk_paper_size_get_width(mPaperSize, GetGTKUnit(mPaperSizeUnit)),
michael@0:                           aPaperHeight,
michael@0:                           GetGTKUnit(mPaperSizeUnit));
michael@0:   SaveNewPageSize();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetPaperSizeUnit(int16_t aPaperSizeUnit)
michael@0: {
michael@0:   // Convert units internally. e.g. they might have set the values while we're still in mm but
michael@0:   // they change to inch just afterwards, expecting that their sizes are in inches.
michael@0:   gtk_paper_size_set_size(mPaperSize,
michael@0:                           gtk_paper_size_get_width(mPaperSize, GetGTKUnit(mPaperSizeUnit)),
michael@0:                           gtk_paper_size_get_height(mPaperSize, GetGTKUnit(mPaperSizeUnit)),
michael@0:                           GetGTKUnit(aPaperSizeUnit));
michael@0:   SaveNewPageSize();
michael@0: 
michael@0:   mPaperSizeUnit = aPaperSizeUnit;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetEffectivePageSize(double *aWidth, double *aHeight)
michael@0: {
michael@0:   *aWidth  = NS_INCHES_TO_INT_TWIPS(gtk_paper_size_get_width(mPaperSize, GTK_UNIT_INCH));
michael@0:   *aHeight = NS_INCHES_TO_INT_TWIPS(gtk_paper_size_get_height(mPaperSize, GTK_UNIT_INCH));
michael@0: 
michael@0:   GtkPageOrientation gtkOrient = gtk_page_setup_get_orientation(mPageSetup);
michael@0: 
michael@0:   if (gtkOrient == GTK_PAGE_ORIENTATION_LANDSCAPE ||
michael@0:       gtkOrient == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE) {
michael@0:     double temp = *aWidth;
michael@0:     *aWidth = *aHeight;
michael@0:     *aHeight = temp;
michael@0:   }
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetupSilentPrinting()
michael@0: {
michael@0:   // We have to get a printer here, rather than when the print settings are constructed.
michael@0:   // This is because when we request sync, GTK makes us wait in the *event loop* while waiting
michael@0:   // for the enumeration to finish. We must do this when event loop runs are expected.
michael@0:   gtk_enumerate_printers(printer_enumerator, this, nullptr, TRUE);
michael@0: 
michael@0:   // XXX If no default printer set, get the first one.
michael@0:   if (!GTK_IS_PRINTER(mGTKPrinter))
michael@0:     gtk_enumerate_printers(ref_printer, this, nullptr, TRUE);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetPageRanges(nsTArray<int32_t> &aPages)
michael@0: {
michael@0:   gint ctRanges;
michael@0:   GtkPageRange* lstRanges = gtk_print_settings_get_page_ranges(mPrintSettings, &ctRanges);
michael@0: 
michael@0:   aPages.Clear();
michael@0: 
michael@0:   if (ctRanges > 1) {
michael@0:     for (gint i = 0; i < ctRanges; i++) {
michael@0:       aPages.AppendElement(lstRanges[i].start+1);
michael@0:       aPages.AppendElement(lstRanges[i].end+1);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   g_free(lstRanges);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetResolution(int32_t *aResolution)
michael@0: {
michael@0:   if (!gtk_print_settings_has_key(mPrintSettings, GTK_PRINT_SETTINGS_RESOLUTION))
michael@0:     return NS_ERROR_FAILURE;
michael@0:   *aResolution = gtk_print_settings_get_resolution(mPrintSettings);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetResolution(int32_t aResolution)
michael@0: {
michael@0:   gtk_print_settings_set_resolution(mPrintSettings, aResolution);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::GetDuplex(int32_t *aDuplex)
michael@0: {
michael@0:   if (!gtk_print_settings_has_key(mPrintSettings, GTK_PRINT_SETTINGS_DUPLEX))
michael@0:     return NS_ERROR_FAILURE;
michael@0:   *aDuplex = gtk_print_settings_get_duplex(mPrintSettings);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsPrintSettingsGTK::SetDuplex(int32_t aDuplex)
michael@0: {
michael@0:   MOZ_ASSERT(aDuplex >= GTK_PRINT_DUPLEX_SIMPLEX &&
michael@0:              aDuplex <= GTK_PRINT_DUPLEX_VERTICAL,
michael@0:              "value is out of bounds for GtkPrintDuplex enum");
michael@0:   gtk_print_settings_set_duplex(mPrintSettings, static_cast<GtkPrintDuplex>(aDuplex));
michael@0:   return NS_OK;
michael@0: }
michael@0: