Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 477 insertions, 0 deletions

diff --git a/widget/windows/nsPrintSettingsWin.cpp b/widget/windows/nsPrintSettingsWin.cpp
new file mode 100644
index 0000000000..fac4ebfd53
--- /dev/null
+++ b/widget/windows/nsPrintSettingsWin.cpp
@@ -0,0 +1,477 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "nsPrintSettingsWin.h"
+
+#include "mozilla/ArrayUtils.h"
+#include "nsCRT.h"
+#include "nsDeviceContextSpecWin.h"
+#include "nsPrintSettingsImpl.h"
+#include "WinUtils.h"
+
+using namespace mozilla;
+
+// Using paper sizes from wingdi.h and the units given there, plus a little
+// extra research for the ones it doesn't give. Looks like the list hasn't
+// changed since Windows 2000, so should be fairly stable now.
+const short kPaperSizeUnits[] = {
+    nsIPrintSettings::kPaperSizeMillimeters,  // Not Used default to mm as
+                                              // DEVMODE uses tenths of mm, just
+                                              // in case
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LETTER
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LETTERSMALL
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_TABLOID
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LEDGER
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LEGAL
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_STATEMENT
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_EXECUTIVE
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A3
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A4
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A4SMALL
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A5
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_B4
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_B5
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_FOLIO
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_QUARTO
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_10X14
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_11X17
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_NOTE
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_ENV_9
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_ENV_10
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_ENV_11
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_ENV_12
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_ENV_14
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_CSHEET
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_DSHEET
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_ESHEET
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_DL
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_C5
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_C3
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_C4
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_C6
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_C65
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_B4
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_B5
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_B6
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_ITALY
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_ENV_MONARCH
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_ENV_PERSONAL
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_FANFOLD_US
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_FANFOLD_STD_GERMAN
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_FANFOLD_LGL_GERMAN
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ISO_B4
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JAPANESE_POSTCARD
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_9X11
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_10X11
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_15X11
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_ENV_INVITE
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_RESERVED_48
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_RESERVED_49
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LETTER_EXTRA
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LEGAL_EXTRA
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_TABLOID_EXTRA
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_A4_EXTRA
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LETTER_TRANSVERSE
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A4_TRANSVERSE
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LETTER_EXTRA_TRANSVERSE
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A_PLUS
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_B_PLUS
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LETTER_PLUS
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A4_PLUS
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A5_TRANSVERSE
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_B5_TRANSVERSE
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A3_EXTRA
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A5_EXTRA
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_B5_EXTRA
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A2
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A3_TRANSVERSE
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A3_EXTRA_TRANSVERSE
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_DBL_JAPANESE_POSTCARD
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A6
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_KAKU2
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_KAKU3
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_CHOU3
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_CHOU4
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_LETTER_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A3_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A4_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A5_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_B4_JIS_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_B5_JIS_ROTATED
+    nsIPrintSettings::
+        kPaperSizeMillimeters,  // DMPAPER_JAPANESE_POSTCARD_ROTATED
+    nsIPrintSettings::
+        kPaperSizeMillimeters,  // DMPAPER_DBL_JAPANESE_POSTCARD_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_A6_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_KAKU2_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_KAKU3_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_CHOU3_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_CHOU4_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_B6_JIS
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_B6_JIS_ROTATED
+    nsIPrintSettings::kPaperSizeInches,       // DMPAPER_12X11
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_YOU4
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_JENV_YOU4_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_P16K
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_P32K
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_P32KBIG
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_1
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_2
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_3
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_4
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_5
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_6
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_7
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_8
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_9
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_10
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_P16K_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_P32K_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_P32KBIG_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_1_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_2_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_3_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_4_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_5_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_6_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_7_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_8_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_9_ROTATED
+    nsIPrintSettings::kPaperSizeMillimeters,  // DMPAPER_PENV_10_ROTATED
+};
+
+NS_IMPL_ISUPPORTS_INHERITED(nsPrintSettingsWin, nsPrintSettings,
+                            nsIPrintSettingsWin)
+
+/** ---------------------------------------------------
+ *  See documentation in nsPrintSettingsWin.h
+ *	@update
+ */
+nsPrintSettingsWin::nsPrintSettingsWin()
+    : nsPrintSettings(),
+      mDeviceName(nullptr),
+      mDriverName(nullptr),
+      mDevMode(nullptr) {}
+
+/** ---------------------------------------------------
+ *  See documentation in nsPrintSettingsWin.h
+ *	@update
+ */
+nsPrintSettingsWin::nsPrintSettingsWin(const nsPrintSettingsWin& aPS)
+    : mDevMode(nullptr) {
+  *this = aPS;
+}
+
+/* static */
+void nsPrintSettingsWin::PaperSizeUnitFromDmPaperSize(short aPaperSize,
+                                                      int16_t& aPaperSizeUnit) {
+  if (aPaperSize > 0 && aPaperSize < int32_t(ArrayLength(kPaperSizeUnits))) {
+    aPaperSizeUnit = kPaperSizeUnits[aPaperSize];
+  }
+}
+
+void nsPrintSettingsWin::InitWithInitializer(
+    const PrintSettingsInitializer& aSettings) {
+  nsPrintSettings::InitWithInitializer(aSettings);
+
+  if (aSettings.mDevmodeWStorage.Length() < sizeof(DEVMODEW)) {
+    return;
+  }
+
+  auto* devmode =
+      reinterpret_cast<const DEVMODEW*>(aSettings.mDevmodeWStorage.Elements());
+  if (devmode->dmSize != sizeof(DEVMODEW) ||
+      devmode->dmSize + devmode->dmDriverExtra >
+          aSettings.mDevmodeWStorage.Length()) {
+    return;
+  }
+
+  // SetDevMode copies the DEVMODE.
+  SetDevMode(const_cast<DEVMODEW*>(devmode));
+
+  if (mDevMode->dmFields & DM_SCALE) {
+    // Since we do the scaling, grab the DEVMODE value and reset it back to 100.
+    double scale = double(mDevMode->dmScale) / 100.0f;
+    if (mScaling == 1.0 || scale != 1.0) {
+      SetScaling(scale);
+    }
+    mDevMode->dmScale = 100;
+  }
+}
+
+already_AddRefed<nsIPrintSettings> CreatePlatformPrintSettings(
+    const PrintSettingsInitializer& aSettings) {
+  RefPtr<nsPrintSettings> settings = aSettings.mPrintSettings.get();
+  if (!settings) {
+    settings = MakeRefPtr<nsPrintSettingsWin>();
+  }
+  settings->InitWithInitializer(aSettings);
+  return settings.forget();
+}
+
+/** ---------------------------------------------------
+ *  See documentation in nsPrintSettingsWin.h
+ *	@update
+ */
+nsPrintSettingsWin::~nsPrintSettingsWin() {
+  if (mDevMode) ::HeapFree(::GetProcessHeap(), 0, mDevMode);
+}
+
+NS_IMETHODIMP nsPrintSettingsWin::SetDeviceName(const nsAString& aDeviceName) {
+  mDeviceName = aDeviceName;
+  return NS_OK;
+}
+NS_IMETHODIMP nsPrintSettingsWin::GetDeviceName(nsAString& aDeviceName) {
+  aDeviceName = mDeviceName;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsPrintSettingsWin::SetDriverName(const nsAString& aDriverName) {
+  mDriverName = aDriverName;
+  return NS_OK;
+}
+NS_IMETHODIMP nsPrintSettingsWin::GetDriverName(nsAString& aDriverName) {
+  aDriverName = mDriverName;
+  return NS_OK;
+}
+
+void nsPrintSettingsWin::CopyDevMode(DEVMODEW* aInDevMode,
+                                     DEVMODEW*& aOutDevMode) {
+  aOutDevMode = nullptr;
+  size_t size = aInDevMode->dmSize + aInDevMode->dmDriverExtra;
+  aOutDevMode =
+      (LPDEVMODEW)::HeapAlloc(::GetProcessHeap(), HEAP_ZERO_MEMORY, size);
+  if (aOutDevMode) {
+    memcpy(aOutDevMode, aInDevMode, size);
+  }
+}
+
+NS_IMETHODIMP nsPrintSettingsWin::GetDevMode(DEVMODEW** aDevMode) {
+  NS_ENSURE_ARG_POINTER(aDevMode);
+
+  if (mDevMode) {
+    CopyDevMode(mDevMode, *aDevMode);
+  } else {
+    *aDevMode = nullptr;
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsPrintSettingsWin::SetDevMode(DEVMODEW* aDevMode) {
+  if (mDevMode) {
+    ::HeapFree(::GetProcessHeap(), 0, mDevMode);
+    mDevMode = nullptr;
+  }
+
+  if (aDevMode) {
+    CopyDevMode(aDevMode, mDevMode);
+  }
+  return NS_OK;
+}
+
+void nsPrintSettingsWin::InitUnwriteableMargin(HDC aHdc) {
+  mozilla::gfx::MarginDouble margin =
+      mozilla::widget::WinUtils::GetUnwriteableMarginsForDeviceInInches(aHdc);
+
+  mUnwriteableMargin.SizeTo(NS_INCHES_TO_INT_TWIPS(margin.top),
+                            NS_INCHES_TO_INT_TWIPS(margin.right),
+                            NS_INCHES_TO_INT_TWIPS(margin.bottom),
+                            NS_INCHES_TO_INT_TWIPS(margin.left));
+}
+
+void nsPrintSettingsWin::CopyFromNative(HDC aHdc, DEVMODEW* aDevMode) {
+  MOZ_ASSERT(aHdc);
+  MOZ_ASSERT(aDevMode);
+
+  mIsInitedFromPrinter = true;
+  if (aDevMode->dmFields & DM_ORIENTATION) {
+    const bool areSheetsOfPaperPortraitMode =
+        (aDevMode->dmOrientation == DMORIENT_PORTRAIT);
+
+    // If our Windows print settings say that we're producing portrait-mode
+    // sheets of paper, then our page format must also be portrait-mode; unless
+    // we've got a pages-per-sheet value with orthogonal pages/sheets, in which
+    // case it's reversed.
+    const bool arePagesPortraitMode =
+        (areSheetsOfPaperPortraitMode != HasOrthogonalSheetsAndPages());
+
+    // Record the orientation of the pages (determined above) in mOrientation:
+    mOrientation = int32_t(arePagesPortraitMode ? kPortraitOrientation
+                                                : kLandscapeOrientation);
+  }
+
+  if (aDevMode->dmFields & DM_COPIES) {
+    mNumCopies = aDevMode->dmCopies;
+  }
+
+  if (aDevMode->dmFields & DM_DUPLEX) {
+    switch (aDevMode->dmDuplex) {
+      default:
+        MOZ_FALLTHROUGH_ASSERT("bad value for dmDuplex field");
+      case DMDUP_SIMPLEX:
+        mDuplex = kDuplexNone;
+        break;
+      case DMDUP_VERTICAL:
+        mDuplex = kDuplexFlipOnLongEdge;
+        break;
+      case DMDUP_HORIZONTAL:
+        mDuplex = kDuplexFlipOnShortEdge;
+        break;
+    }
+  }
+
+  // Since we do the scaling, grab their value and reset back to 100.
+  if (aDevMode->dmFields & DM_SCALE) {
+    double scale = double(aDevMode->dmScale) / 100.0f;
+    if (mScaling == 1.0 || scale != 1.0) {
+      mScaling = scale;
+    }
+    aDevMode->dmScale = 100;
+  }
+
+  if (aDevMode->dmFields & DM_PAPERSIZE) {
+    mPaperId.Truncate(0);
+    mPaperId.AppendInt(aDevMode->dmPaperSize);
+    // If it is not a paper size we know about, the unit will remain unchanged.
+    PaperSizeUnitFromDmPaperSize(aDevMode->dmPaperSize, mPaperSizeUnit);
+  }
+
+  if (aDevMode->dmFields & DM_COLOR) {
+    mPrintInColor = aDevMode->dmColor == DMCOLOR_COLOR;
+  }
+
+  InitUnwriteableMargin(aHdc);
+
+  int pixelsPerInchY = ::GetDeviceCaps(aHdc, LOGPIXELSY);
+  int physicalHeight = ::GetDeviceCaps(aHdc, PHYSICALHEIGHT);
+  double physicalHeightInch = double(physicalHeight) / pixelsPerInchY;
+  int pixelsPerInchX = ::GetDeviceCaps(aHdc, LOGPIXELSX);
+  int physicalWidth = ::GetDeviceCaps(aHdc, PHYSICALWIDTH);
+  double physicalWidthInch = double(physicalWidth) / pixelsPerInchX;
+
+  // Get the paper size from the device context rather than the DEVMODE, because
+  // it is always available.
+  double paperHeightInch = mOrientation == kPortraitOrientation
+                               ? physicalHeightInch
+                               : physicalWidthInch;
+  mPaperHeight = mPaperSizeUnit == kPaperSizeInches
+                     ? paperHeightInch
+                     : paperHeightInch * MM_PER_INCH_FLOAT;
+
+  double paperWidthInch = mOrientation == kPortraitOrientation
+                              ? physicalWidthInch
+                              : physicalHeightInch;
+  mPaperWidth = mPaperSizeUnit == kPaperSizeInches
+                    ? paperWidthInch
+                    : paperWidthInch * MM_PER_INCH_FLOAT;
+
+  // Using LOGPIXELSY to match existing code for print scaling calculations.
+  mResolution = pixelsPerInchY;
+}
+
+void nsPrintSettingsWin::CopyToNative(DEVMODEW* aDevMode) {
+  MOZ_ASSERT(aDevMode);
+
+  if (!mPaperId.IsEmpty()) {
+    aDevMode->dmPaperSize = _wtoi((const wchar_t*)mPaperId.BeginReading());
+    aDevMode->dmFields |= DM_PAPERSIZE;
+  } else {
+    aDevMode->dmPaperSize = 0;
+    aDevMode->dmFields &= ~DM_PAPERSIZE;
+  }
+
+  aDevMode->dmFields |= DM_COLOR;
+  aDevMode->dmColor = mPrintInColor ? DMCOLOR_COLOR : DMCOLOR_MONOCHROME;
+
+  // The length and width in DEVMODE are always in tenths of a millimeter.
+  double tenthsOfAmmPerSizeUnit =
+      mPaperSizeUnit == kPaperSizeInches ? MM_PER_INCH_FLOAT * 10.0 : 10.0;
+
+  // Note: small page sizes can be required here for sticker, label and slide
+  // printers etc. see bug 1271900.
+  if (mPaperHeight > 0) {
+    aDevMode->dmPaperLength = std::round(mPaperHeight * tenthsOfAmmPerSizeUnit);
+    aDevMode->dmFields |= DM_PAPERLENGTH;
+  } else {
+    aDevMode->dmPaperLength = 0;
+    aDevMode->dmFields &= ~DM_PAPERLENGTH;
+  }
+
+  if (mPaperWidth > 0) {
+    aDevMode->dmPaperWidth = std::round(mPaperWidth * tenthsOfAmmPerSizeUnit);
+    aDevMode->dmFields |= DM_PAPERWIDTH;
+  } else {
+    aDevMode->dmPaperWidth = 0;
+    aDevMode->dmFields &= ~DM_PAPERWIDTH;
+  }
+
+  // Setup Orientation
+  aDevMode->dmOrientation = GetSheetOrientation() == kPortraitOrientation
+                                ? DMORIENT_PORTRAIT
+                                : DMORIENT_LANDSCAPE;
+  aDevMode->dmFields |= DM_ORIENTATION;
+
+  // Setup Number of Copies
+  aDevMode->dmCopies = mNumCopies;
+  aDevMode->dmFields |= DM_COPIES;
+
+  // Setup Simplex/Duplex mode
+  switch (mDuplex) {
+    case kDuplexNone:
+      aDevMode->dmDuplex = DMDUP_SIMPLEX;
+      aDevMode->dmFields |= DM_DUPLEX;
+      break;
+    case kDuplexFlipOnLongEdge:
+      aDevMode->dmDuplex = DMDUP_VERTICAL;
+      aDevMode->dmFields |= DM_DUPLEX;
+      break;
+    case kDuplexFlipOnShortEdge:
+      aDevMode->dmDuplex = DMDUP_HORIZONTAL;
+      aDevMode->dmFields |= DM_DUPLEX;
+      break;
+    default:
+      MOZ_ASSERT_UNREACHABLE("bad value for duplex option");
+      break;
+  }
+}
+
+//-------------------------------------------
+nsresult nsPrintSettingsWin::_Clone(nsIPrintSettings** _retval) {
+  RefPtr<nsPrintSettingsWin> printSettings = new nsPrintSettingsWin(*this);
+  printSettings.forget(_retval);
+  return NS_OK;
+}
+
+//-------------------------------------------
+nsPrintSettingsWin& nsPrintSettingsWin::operator=(
+    const nsPrintSettingsWin& rhs) {
+  if (this == &rhs) {
+    return *this;
+  }
+
+  ((nsPrintSettings&)*this) = rhs;
+
+  // Use free because we used the native malloc to create the memory
+  if (mDevMode) {
+    ::HeapFree(::GetProcessHeap(), 0, mDevMode);
+  }
+
+  mDeviceName = rhs.mDeviceName;
+  mDriverName = rhs.mDriverName;
+
+  if (rhs.mDevMode) {
+    CopyDevMode(rhs.mDevMode, mDevMode);
+  } else {
+    mDevMode = nullptr;
+  }
+
+  return *this;
+}
+
+//-------------------------------------------
+nsresult nsPrintSettingsWin::_Assign(nsIPrintSettings* aPS) {
+  nsPrintSettingsWin* psWin = static_cast<nsPrintSettingsWin*>(aPS);
+  *this = *psWin;
+  return NS_OK;
+}