Add m-esr52 at 52.6.0

1 files changed, 528 insertions, 0 deletions

diff --git a/widget/windows/nsPrintSettingsWin.cpp b/widget/windows/nsPrintSettingsWin.cpp
new file mode 100644
index 000000000..80e73e530
--- /dev/null
+++ b/widget/windows/nsPrintSettingsWin.cpp
@@ -0,0 +1,528 @@
+/* -*- 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"
+
+// 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) :
+  mDeviceName(nullptr),
+  mDriverName(nullptr),
+  mDevMode(nullptr)
+{
+  *this = aPS;
+}
+
+/** ---------------------------------------------------
+ *  See documentation in nsPrintSettingsWin.h
+ *	@update 
+ */
+nsPrintSettingsWin::~nsPrintSettingsWin()
+{
+  if (mDeviceName) free(mDeviceName);
+  if (mDriverName) free(mDriverName);
+  if (mDevMode) ::HeapFree(::GetProcessHeap(), 0, mDevMode);
+}
+
+NS_IMETHODIMP nsPrintSettingsWin::SetDeviceName(const char16_t * aDeviceName)
+{
+  if (mDeviceName) {
+    free(mDeviceName);
+  }
+  mDeviceName = aDeviceName?wcsdup(char16ptr_t(aDeviceName)):nullptr;
+  return NS_OK;
+}
+NS_IMETHODIMP nsPrintSettingsWin::GetDeviceName(char16_t **aDeviceName)
+{
+  NS_ENSURE_ARG_POINTER(aDeviceName);
+  *aDeviceName = mDeviceName?reinterpret_cast<char16_t*>(wcsdup(mDeviceName)):nullptr;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsPrintSettingsWin::SetDriverName(const char16_t * aDriverName)
+{
+  if (mDriverName) {
+    free(mDriverName);
+  }
+  mDriverName = aDriverName?wcsdup(char16ptr_t(aDriverName)):nullptr;
+  return NS_OK;
+}
+NS_IMETHODIMP nsPrintSettingsWin::GetDriverName(char16_t **aDriverName)
+{
+  NS_ENSURE_ARG_POINTER(aDriverName);
+  *aDriverName = mDriverName?reinterpret_cast<char16_t*>(wcsdup(mDriverName)):nullptr;
+  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;
+}
+
+NS_IMETHODIMP
+nsPrintSettingsWin::GetPrintableWidthInInches(double* aPrintableWidthInInches)
+{
+  MOZ_ASSERT(aPrintableWidthInInches);
+  *aPrintableWidthInInches = mPrintableWidthInInches;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsPrintSettingsWin::SetPrintableWidthInInches(double aPrintableWidthInInches)
+{
+  mPrintableWidthInInches = aPrintableWidthInInches;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsPrintSettingsWin::GetPrintableHeightInInches(double* aPrintableHeightInInches)
+{
+  MOZ_ASSERT(aPrintableHeightInInches);
+  *aPrintableHeightInInches = mPrintableHeightInInches;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsPrintSettingsWin::SetPrintableHeightInInches(double aPrintableHeightInInches)
+{
+  mPrintableHeightInInches = aPrintableHeightInInches;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsPrintSettingsWin::GetEffectivePageSize(double *aWidth, double *aHeight)
+{
+  // If printable page size not set, fall back to nsPrintSettings.
+  if (mPrintableWidthInInches == 0l || mPrintableHeightInInches == 0l) {
+    return nsPrintSettings::GetEffectivePageSize(aWidth, aHeight);
+  }
+
+  if (mOrientation == kPortraitOrientation) {
+    *aWidth = NS_INCHES_TO_TWIPS(mPrintableWidthInInches);
+    *aHeight = NS_INCHES_TO_TWIPS(mPrintableHeightInInches);
+  } else {
+    *aHeight = NS_INCHES_TO_TWIPS(mPrintableWidthInInches);
+    *aWidth = NS_INCHES_TO_TWIPS(mPrintableHeightInInches);
+  }
+  return NS_OK;
+}
+
+void
+nsPrintSettingsWin::CopyFromNative(HDC aHdc, DEVMODEW* aDevMode)
+{
+  MOZ_ASSERT(aHdc);
+  MOZ_ASSERT(aDevMode);
+
+  mIsInitedFromPrinter = true;
+  if (aDevMode->dmFields & DM_ORIENTATION) {
+    mOrientation = int32_t(aDevMode->dmOrientation == DMORIENT_PORTRAIT
+                           ? kPortraitOrientation : kLandscapeOrientation);
+  }
+
+  if (aDevMode->dmFields & DM_COPIES) {
+    mNumCopies = aDevMode->dmCopies;
+  }
+
+  // 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) {
+    mPaperData = aDevMode->dmPaperSize;
+    // If not a paper size we know about, the unit will be the last one saved.
+    if (mPaperData > 0 &&
+        mPaperData < int32_t(mozilla::ArrayLength(kPaperSizeUnits))) {
+      mPaperSizeUnit = kPaperSizeUnits[mPaperData];
+    }
+  } else {
+    mPaperData = -1;
+  }
+
+  // The length and width in DEVMODE are always in tenths of a millimeter.
+  double sizeUnitToTenthsOfAmm =
+    10L * (mPaperSizeUnit == kPaperSizeInches ? MM_PER_INCH_FLOAT : 1L);
+  if (aDevMode->dmFields & DM_PAPERLENGTH) {
+    mPaperHeight = aDevMode->dmPaperLength / sizeUnitToTenthsOfAmm;
+  } else {
+    mPaperHeight = -1l;
+  }
+
+  if (aDevMode->dmFields & DM_PAPERWIDTH) {
+    mPaperWidth = aDevMode->dmPaperWidth / sizeUnitToTenthsOfAmm;
+  } else {
+    mPaperWidth = -1l;
+  }
+
+  // On Windows we currently create a surface using the printable area of the
+  // page and don't set the unwriteable [sic] margins. Using the unwriteable
+  // margins doesn't appear to work on Windows, but I am not sure if this is a
+  // bug elsewhere in our code or a Windows quirk.
+  // Note: we only scale the printing using the LOGPIXELSY, so we use that
+  // when calculating the surface width as well as the height.
+  int32_t printableWidthInDots = GetDeviceCaps(aHdc, HORZRES);
+  int32_t printableHeightInDots = GetDeviceCaps(aHdc, VERTRES);
+  int32_t heightDPI = GetDeviceCaps(aHdc, LOGPIXELSY);
+
+  // Keep these values in portrait format, so we can reflect our own changes
+  // to mOrientation.
+  if (mOrientation == kPortraitOrientation) {
+    mPrintableWidthInInches = double(printableWidthInDots) / heightDPI;
+    mPrintableHeightInInches = double(printableHeightInDots) / heightDPI;
+  } else {
+    mPrintableHeightInInches = double(printableWidthInDots) / heightDPI;
+    mPrintableWidthInInches = double(printableHeightInDots) / heightDPI;
+  }
+
+  // Using Y to match existing code for print scaling calculations.
+  mResolution = heightDPI;
+}
+
+void
+nsPrintSettingsWin::CopyToNative(DEVMODEW* aDevMode)
+{
+  MOZ_ASSERT(aDevMode);
+
+  if (mPaperData >= 0) {
+    aDevMode->dmPaperSize = mPaperData;
+    aDevMode->dmFields |= DM_PAPERSIZE;
+  } else {
+    aDevMode->dmPaperSize = 0;
+    aDevMode->dmFields &= ~DM_PAPERSIZE;
+  }
+
+  // The length and width in DEVMODE are always in tenths of a millimeter.
+  double sizeUnitToTenthsOfAmm =
+    10L * (mPaperSizeUnit == kPaperSizeInches ? MM_PER_INCH_FLOAT : 1L);
+
+  // Note: small page sizes can be required here for sticker, label and slide
+  // printers etc. see bug 1271900.
+  if (mPaperHeight > 0) {
+    aDevMode->dmPaperLength = mPaperHeight * sizeUnitToTenthsOfAmm;
+    aDevMode->dmFields |= DM_PAPERLENGTH;
+  } else {
+    aDevMode->dmPaperLength = 0;
+    aDevMode->dmFields &= ~DM_PAPERLENGTH;
+  }
+
+  if (mPaperWidth > 0) {
+    aDevMode->dmPaperWidth = mPaperWidth * sizeUnitToTenthsOfAmm;
+    aDevMode->dmFields |= DM_PAPERWIDTH;
+  } else {
+    aDevMode->dmPaperWidth = 0;
+    aDevMode->dmFields &= ~DM_PAPERWIDTH;
+  }
+
+  // Setup Orientation
+  aDevMode->dmOrientation = mOrientation == kPortraitOrientation
+                            ? DMORIENT_PORTRAIT : DMORIENT_LANDSCAPE;
+  aDevMode->dmFields |= DM_ORIENTATION;
+
+  // Setup Number of Copies
+  aDevMode->dmCopies = mNumCopies;
+  aDevMode->dmFields |= DM_COPIES;
+}
+
+//-------------------------------------------
+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;
+
+  if (mDeviceName) {
+    free(mDeviceName);
+  }
+
+  if (mDriverName) {
+    free(mDriverName);
+  }
+
+  // Use free because we used the native malloc to create the memory
+  if (mDevMode) {
+    ::HeapFree(::GetProcessHeap(), 0, mDevMode);
+  }
+
+  mDeviceName = rhs.mDeviceName?wcsdup(rhs.mDeviceName):nullptr;
+  mDriverName = rhs.mDriverName?wcsdup(rhs.mDriverName):nullptr;
+
+  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;
+}
+
+//----------------------------------------------------------------------
+// Testing of assign and clone
+// This define turns on the testing module below
+// so at start up it writes and reads the prefs.
+#ifdef DEBUG_rodsX
+#include "nsIPrintOptions.h"
+#include "nsIServiceManager.h"
+class Tester {
+public:
+  Tester();
+};
+Tester::Tester()
+{
+  nsCOMPtr<nsIPrintSettings> ps;
+  nsresult rv;
+  nsCOMPtr<nsIPrintOptions> printService = do_GetService("@mozilla.org/gfx/printsettings-service;1", &rv);
+  if (NS_SUCCEEDED(rv)) {
+    rv = printService->CreatePrintSettings(getter_AddRefs(ps));
+  }
+
+  if (ps) {
+    ps->SetPrintOptions(nsIPrintSettings::kPrintOddPages,  true);
+    ps->SetPrintOptions(nsIPrintSettings::kPrintEvenPages,  false);
+    ps->SetMarginTop(1.0);
+    ps->SetMarginLeft(1.0);
+    ps->SetMarginBottom(1.0);
+    ps->SetMarginRight(1.0);
+    ps->SetScaling(0.5);
+    ps->SetPrintBGColors(true);
+    ps->SetPrintBGImages(true);
+    ps->SetPrintRange(15);
+    ps->SetHeaderStrLeft(NS_ConvertUTF8toUTF16("Left").get());
+    ps->SetHeaderStrCenter(NS_ConvertUTF8toUTF16("Center").get());
+    ps->SetHeaderStrRight(NS_ConvertUTF8toUTF16("Right").get());
+    ps->SetFooterStrLeft(NS_ConvertUTF8toUTF16("Left").get());
+    ps->SetFooterStrCenter(NS_ConvertUTF8toUTF16("Center").get());
+    ps->SetFooterStrRight(NS_ConvertUTF8toUTF16("Right").get());
+    ps->SetPaperName(NS_ConvertUTF8toUTF16("Paper Name").get());
+    ps->SetPaperData(1);
+    ps->SetPaperWidth(100.0);
+    ps->SetPaperHeight(50.0);
+    ps->SetPaperSizeUnit(nsIPrintSettings::kPaperSizeMillimeters);
+    ps->SetPrintReversed(true);
+    ps->SetPrintInColor(true);
+    ps->SetOrientation(nsIPrintSettings::kLandscapeOrientation);
+    ps->SetPrintCommand(NS_ConvertUTF8toUTF16("Command").get());
+    ps->SetNumCopies(2);
+    ps->SetPrinterName(NS_ConvertUTF8toUTF16("Printer Name").get());
+    ps->SetPrintToFile(true);
+    ps->SetToFileName(NS_ConvertUTF8toUTF16("File Name").get());
+    ps->SetPrintPageDelay(1000);
+
+    nsCOMPtr<nsIPrintSettings> ps2;
+    if (NS_SUCCEEDED(rv)) {
+      rv = printService->CreatePrintSettings(getter_AddRefs(ps2));
+    }
+
+    ps2->Assign(ps);
+
+    nsCOMPtr<nsIPrintSettings> psClone;
+    ps2->Clone(getter_AddRefs(psClone));
+
+  }
+
+}
+Tester gTester;
+#endif