PrintPreview: Added code to identify the printer default duplex value.

chrome/browser/printing/print_dialog_gtk.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/printing/print_dialog_gtk.h"
 
 #include <fcntl.h>
 #include <gtk/gtkpagesetupunixdialog.h>
 #include <gtk/gtkprintjob.h>
 #include <sys/stat.h>
@@ skipping 143 matching lines @@
   InitPrintSettings(ranges_vector);
 }
 
 bool PrintDialogGtk::UpdateSettings(const DictionaryValue& settings,
                                     const printing::PageRanges& ranges) {
   bool collate;
   bool color;
   bool landscape;
   bool print_to_pdf;
   int copies;
-  int duplex_mode;
+  DictionaryValue* duplex_info;
+  int user_selected_duplex_value;
   std::string device_name;
 
   if (!settings.GetBoolean(printing::kSettingLandscape, &landscape) ||
       !settings.GetBoolean(printing::kSettingCollate, &collate) ||
       !settings.GetBoolean(printing::kSettingColor, &color) ||
       !settings.GetBoolean(printing::kSettingPrintToPDF, &print_to_pdf) ||
-      !settings.GetInteger(printing::kSettingDuplexMode, &duplex_mode) ||
+      !settings.GetDictionary(printing::kSettingDuplexModeInfo, &duplex_info) ||
       !settings.GetInteger(printing::kSettingCopies, &copies) ||
-      !settings.GetString(printing::kSettingDeviceName, &device_name)) {
+      !settings.GetString(printing::kSettingDeviceName, &device_name) ||
+      !duplex_info->GetInteger(printing::kUserSelectedDuplexValue,
+                               &user_selected_duplex_value)) {
     return false;
   }
 
+
   if (!print_to_pdf) {
     scoped_ptr<GtkPrinterList> printer_list(new GtkPrinterList);
     printer_ = printer_list->GetPrinterWithName(device_name.c_str());
     if (printer_) {
       g_object_ref(printer_);
       gtk_print_settings_set_printer(gtk_settings_,
                                      gtk_printer_get_name(printer_));
     }
     gtk_print_settings_set_n_copies(gtk_settings_, copies);
     gtk_print_settings_set_collate(gtk_settings_, collate);
     gtk_print_settings_set(gtk_settings_, kCUPSColorModel,
                            color ? kColor : kGrayscale);
     const char* cups_duplex_mode;
-    switch (duplex_mode) {
+    switch (user_selected_duplex_value) {
       case printing::LONG_EDGE:
         cups_duplex_mode = kDuplexNoTumble;
         break;
       case printing::SHORT_EDGE:
         cups_duplex_mode = kDuplexTumble;
         break;
       default:
         cups_duplex_mode = kDuplexNone;
         break;
     }
@@ skipping 179 matching lines @@
   // Printing finished. Matches AddRef() in PrintDocument();
   Release();
 }
 
 void PrintDialogGtk::InitPrintSettings(const PageRanges& page_ranges) {
   PrintSettings settings;
   printing::PrintSettingsInitializerGtk::InitPrintSettings(
       gtk_settings_, page_setup_, page_ranges, false, &settings);
   context_->InitWithSettings(settings);
 }