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, 54 insertions, 0 deletions

diff --git a/printing/print_settings_initializer_win.cc b/printing/print_settings_initializer_win.cc
new file mode 100644
index 0000000..f840f4d
--- /dev/null
+++ b/printing/print_settings_initializer_win.cc
@@ -0,0 +1,54 @@
+// 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_win.h"
+
+#include <windows.h>
+
+#include "printing/print_settings.h"
+
+namespace printing {
+
+// static
+void PrintSettingsInitializerWin::InitPrintSettings(
+    HDC hdc,
+    const DEVMODE& dev_mode,
+    const PageRanges& new_ranges,
+    const std::wstring& new_device_name,
+    bool print_selection_only,
+    PrintSettings* print_settings) {
+  DCHECK(hdc);
+  DCHECK(print_settings);
+
+  print_settings->set_printer_name(dev_mode.dmDeviceName);
+  print_settings->set_device_name(new_device_name);
+  print_settings->ranges = new_ranges;
+  print_settings->set_landscape(dev_mode.dmOrientation == DMORIENT_LANDSCAPE);
+  print_settings->selection_only = print_selection_only;
+
+  int dpi = GetDeviceCaps(hdc, LOGPIXELSX);
+  print_settings->set_dpi(dpi);
+  // No printer device is known to advertise different dpi in X and Y axis; even
+  // the fax device using the 200x100 dpi setting. It's ought to break so many
+  // applications that it's not even needed to care about. WebKit doesn't
+  // support different dpi settings in X and Y axis.
+  DCHECK_EQ(dpi, GetDeviceCaps(hdc, LOGPIXELSY));
+
+  DCHECK_EQ(GetDeviceCaps(hdc, SCALINGFACTORX), 0);
+  DCHECK_EQ(GetDeviceCaps(hdc, SCALINGFACTORY), 0);
+
+  // Initialize page_setup_device_units_.
+  gfx::Size physical_size_device_units(GetDeviceCaps(hdc, PHYSICALWIDTH),
+                                       GetDeviceCaps(hdc, PHYSICALHEIGHT));
+  gfx::Rect printable_area_device_units(GetDeviceCaps(hdc, PHYSICALOFFSETX),
+                                        GetDeviceCaps(hdc, PHYSICALOFFSETY),
+                                        GetDeviceCaps(hdc, HORZRES),
+                                        GetDeviceCaps(hdc, VERTRES));
+
+  print_settings->SetPrinterPrintableArea(physical_size_device_units,
+                                          printable_area_device_units,
+                                          dpi);
+}
+
+}  // namespace printing