Printing: Refactor PrintSettings::Init into a PrintSettingsFactory class

per-platform.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/4040001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@63907 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 78 insertions, 0 deletions

diff --git a/printing/print_settings_initializer_gtk.cc b/printing/print_settings_initializer_gtk.cc
new file mode 100644
index 0000000..fd7a5fd
--- /dev/null
+++ b/printing/print_settings_initializer_gtk.cc
@@ -0,0 +1,78 @@
+// Copyright (c) 2010 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 "printing/print_settings_initializer_gtk.h"
+
+#include <gtk/gtk.h>
+#include <gtk/gtkprinter.h>
+
+#include "base/string_piece.h"
+#include "base/utf_string_conversions.h"
+#include "printing/native_metafile.h"
+#include "printing/print_settings.h"
+#include "printing/units.h"
+
+namespace printing {
+
+// static
+void PrintSettingsInitializerGtk::InitPrintSettings(
+    GtkPrintSettings* settings,
+    GtkPageSetup* page_setup,
+    const PageRanges& new_ranges,
+    bool print_selection_only,
+    PrintSettings* print_settings) {
+  DCHECK(settings);
+  DCHECK(page_setup);
+  DCHECK(print_settings);
+
+  // TODO(jhawkins): |printer_name_| and |device_name_| should be string16.
+  base::StringPiece name(
+      reinterpret_cast<const char*>(gtk_print_settings_get_printer(settings)));
+  print_settings->set_printer_name(UTF8ToWide(name));
+  print_settings->set_device_name(print_settings->printer_name());
+  print_settings->ranges = new_ranges;
+  print_settings->selection_only = print_selection_only;
+
+  GtkPageOrientation orientation = gtk_print_settings_get_orientation(settings);
+  print_settings->set_landscape(orientation == GTK_PAGE_ORIENTATION_LANDSCAPE);
+
+  gfx::Size physical_size_device_units;
+  gfx::Rect printable_area_device_units;
+  int dpi = gtk_print_settings_get_resolution(settings);
+  if (dpi) {
+    // Initialize page_setup_device_units_.
+    physical_size_device_units.SetSize(
+        gtk_page_setup_get_paper_width(page_setup, GTK_UNIT_INCH) * dpi,
+        gtk_page_setup_get_paper_height(page_setup, GTK_UNIT_INCH) * dpi);
+    printable_area_device_units.SetRect(
+        gtk_page_setup_get_left_margin(page_setup, GTK_UNIT_INCH) * dpi,
+        gtk_page_setup_get_top_margin(page_setup, GTK_UNIT_INCH) * dpi,
+        gtk_page_setup_get_page_width(page_setup, GTK_UNIT_INCH) * dpi,
+        gtk_page_setup_get_page_height(page_setup, GTK_UNIT_INCH) * dpi);
+  } else {
+    // Use dummy values if we cannot get valid values.
+    // TODO(jhawkins) Remove this hack when the Linux printing refactoring
+    // finishes.
+    dpi = kPixelsPerInch;
+    double page_width_in_pixel = 8.5 * dpi;
+    double page_height_in_pixel = 11.0 * dpi;
+    physical_size_device_units.SetSize(
+      static_cast<int>(page_width_in_pixel),
+      static_cast<int>(page_height_in_pixel));
+    printable_area_device_units.SetRect(
+      static_cast<int>(
+          NativeMetafile::kLeftMarginInInch * printing::kPixelsPerInch),
+      static_cast<int>(
+          NativeMetafile::kTopMarginInInch * printing::kPixelsPerInch),
+      page_width_in_pixel,
+      page_height_in_pixel);
+  }
+
+  print_settings->set_dpi(dpi);
+  print_settings->SetPrinterPrintableArea(physical_size_device_units,
+                                          printable_area_device_units,
+                                          dpi);
+}
+
+}  // namespace printing