Add m-esr52 at 52.6.0

1 files changed, 854 insertions, 0 deletions

diff --git a/embedding/components/printingui/win/nsPrintDialogUtil.cpp b/embedding/components/printingui/win/nsPrintDialogUtil.cpp
new file mode 100644
index 000000000..896c58e85
--- /dev/null
+++ b/embedding/components/printingui/win/nsPrintDialogUtil.cpp
@@ -0,0 +1,854 @@
+/* -*- 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/. */
+
+/* -------------------------------------------------------------------
+To Build This:
+
+  You need to add this to the the makefile.win in mozilla/dom/base:
+
+	.\$(OBJDIR)\nsFlyOwnPrintDialog.obj	\
+
+
+  And this to the makefile.win in mozilla/content/build:
+
+WIN_LIBS=                                       \
+        winspool.lib                           \
+        comctl32.lib                           \
+        comdlg32.lib
+
+---------------------------------------------------------------------- */
+
+#include "plstr.h"
+#include <windows.h>
+#include <tchar.h>
+
+#include <unknwn.h>
+#include <commdlg.h>
+
+#include "nsIWebBrowserPrint.h"
+#include "nsString.h"
+#include "nsIServiceManager.h"
+#include "nsReadableUtils.h"
+#include "nsIPrintSettings.h"
+#include "nsIPrintSettingsWin.h"
+#include "nsIPrinterEnumerator.h"
+
+#include "nsRect.h"
+
+#include "nsIPrefService.h"
+#include "nsIPrefBranch.h"
+
+#include "nsCRT.h"
+#include "prenv.h" /* for PR_GetEnv */
+
+#include <windows.h>
+#include <winspool.h> 
+
+// For Localization
+#include "nsIStringBundle.h"
+
+// For NS_CopyUnicodeToNative
+#include "nsNativeCharsetUtils.h"
+
+// This is for extending the dialog
+#include <dlgs.h>
+
+#include "nsWindowsHelpers.h"
+#include "WinUtils.h"
+
+// Default labels for the radio buttons
+static const char* kAsLaidOutOnScreenStr = "As &laid out on the screen";
+static const char* kTheSelectedFrameStr  = "The selected &frame";
+static const char* kEachFrameSeparately  = "&Each frame separately";
+
+
+//-----------------------------------------------
+// Global Data
+//-----------------------------------------------
+// Identifies which new radio btn was cliked on
+static UINT gFrameSelectedRadioBtn = 0;
+
+// Indicates whether the native print dialog was successfully extended
+static bool gDialogWasExtended     = false;
+
+#define PRINTDLG_PROPERTIES "chrome://global/locale/printdialog.properties"
+
+static HWND gParentWnd = nullptr;
+
+//----------------------------------------------------------------------------------
+// Return localized bundle for resource strings
+static nsresult
+GetLocalizedBundle(const char * aPropFileName, nsIStringBundle** aStrBundle)
+{
+  NS_ENSURE_ARG_POINTER(aPropFileName);
+  NS_ENSURE_ARG_POINTER(aStrBundle);
+
+  nsresult rv;
+  nsCOMPtr<nsIStringBundle> bundle;
+  
+
+  // Create bundle
+  nsCOMPtr<nsIStringBundleService> stringService = 
+    do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv);
+  if (NS_SUCCEEDED(rv) && stringService) {
+    rv = stringService->CreateBundle(aPropFileName, aStrBundle);
+  }
+  
+  return rv;
+}
+
+//--------------------------------------------------------
+// Return localized string 
+static nsresult
+GetLocalizedString(nsIStringBundle* aStrBundle, const char* aKey, nsString& oVal)
+{
+  NS_ENSURE_ARG_POINTER(aStrBundle);
+  NS_ENSURE_ARG_POINTER(aKey);
+
+  // Determine default label from string bundle
+  nsXPIDLString valUni;
+  nsAutoString key; 
+  key.AssignWithConversion(aKey);
+  nsresult rv = aStrBundle->GetStringFromName(key.get(), getter_Copies(valUni));
+  if (NS_SUCCEEDED(rv) && valUni) {
+    oVal.Assign(valUni);
+  } else {
+    oVal.Truncate();
+  }
+  return rv;
+}
+
+//--------------------------------------------------------
+// Set a multi-byte string in the control
+static void SetTextOnWnd(HWND aControl, const nsString& aStr)
+{
+  nsAutoCString text;
+  if (NS_SUCCEEDED(NS_CopyUnicodeToNative(aStr, text))) {
+    ::SetWindowText(aControl, text.get());
+  }
+}
+
+//--------------------------------------------------------
+// Will get the control and localized string by "key"
+static void SetText(HWND             aParent, 
+                    UINT             aId, 
+                    nsIStringBundle* aStrBundle,
+                    const char*      aKey) 
+{
+  HWND wnd = GetDlgItem (aParent, aId);
+  if (!wnd) {
+    return;
+  }
+  nsAutoString str;
+  nsresult rv = GetLocalizedString(aStrBundle, aKey, str);
+  if (NS_SUCCEEDED(rv)) {
+    SetTextOnWnd(wnd, str);
+  }
+}
+
+//--------------------------------------------------------
+static void SetRadio(HWND         aParent, 
+                     UINT         aId, 
+                     bool         aIsSet,
+                     bool         isEnabled = true) 
+{
+  HWND wnd = ::GetDlgItem (aParent, aId);
+  if (!wnd) {
+    return;
+  }
+  if (!isEnabled) {
+    ::EnableWindow(wnd, FALSE);
+    return;
+  }
+  ::EnableWindow(wnd, TRUE);
+  ::SendMessage(wnd, BM_SETCHECK, (WPARAM)aIsSet, (LPARAM)0);
+}
+
+//--------------------------------------------------------
+static void SetRadioOfGroup(HWND aDlg, int aRadId)
+{
+  int radioIds[] = {rad4, rad5, rad6};
+  int numRads = 3;
+
+  for (int i=0;i<numRads;i++) {
+    HWND radWnd = ::GetDlgItem(aDlg, radioIds[i]);
+    if (radWnd != nullptr) {
+      ::SendMessage(radWnd, BM_SETCHECK, (WPARAM)(radioIds[i] == aRadId), (LPARAM)0);
+    }
+  }
+}
+
+//--------------------------------------------------------
+typedef struct {
+  const char * mKeyStr;
+  long   mKeyId;
+} PropKeyInfo;
+
+// These are the control ids used in the dialog and 
+// defined by MS-Windows in commdlg.h
+static PropKeyInfo gAllPropKeys[] = {
+    {"printFramesTitleWindows", grp3},
+    {"asLaidOutWindows", rad4},
+    {"selectedFrameWindows", rad5},
+    {"separateFramesWindows", rad6},
+    {nullptr, 0}};
+
+//--------------------------------------------------------
+//--------------------------------------------------------
+//--------------------------------------------------------
+//--------------------------------------------------------
+// Get the absolute coords of the child windows relative
+// to its parent window
+static void GetLocalRect(HWND aWnd, RECT& aRect, HWND aParent)
+{
+  ::GetWindowRect(aWnd, &aRect);
+
+  // MapWindowPoints converts screen coordinates to client coordinates.
+  // It works correctly in both left-to-right and right-to-left windows.
+  ::MapWindowPoints(nullptr, aParent, (LPPOINT)&aRect, 2);
+}
+
+//--------------------------------------------------------
+// Show or Hide the control
+static void Show(HWND aWnd, bool bState)
+{
+  if (aWnd) {
+    ::ShowWindow(aWnd, bState?SW_SHOW:SW_HIDE);
+  }
+}
+
+//--------------------------------------------------------
+// Create a child window "control"
+static HWND CreateControl(LPCTSTR          aType,
+                          DWORD            aStyle,
+                          HINSTANCE        aHInst, 
+                          HWND             aHdlg, 
+                          int              aId, 
+                          const nsAString& aStr, 
+                          const nsIntRect& aRect)
+{
+  nsAutoCString str;
+  if (NS_FAILED(NS_CopyUnicodeToNative(aStr, str)))
+    return nullptr;
+
+  HWND hWnd = ::CreateWindow (aType, str.get(),
+                              WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | aStyle,
+                              aRect.x, aRect.y, aRect.width, aRect.height,
+                              (HWND)aHdlg, (HMENU)(intptr_t)aId,
+                              aHInst, nullptr);
+  if (hWnd == nullptr) return nullptr;
+
+  // get the native font for the dialog and 
+  // set it into the new control
+  HFONT hFont = (HFONT)::SendMessage(aHdlg, WM_GETFONT, (WPARAM)0, (LPARAM)0);
+  if (hFont != nullptr) {
+    ::SendMessage(hWnd, WM_SETFONT, (WPARAM) hFont, (LPARAM)0);
+  }
+  return hWnd;
+}
+
+//--------------------------------------------------------
+// Create a Radio Button
+static HWND CreateRadioBtn(HINSTANCE        aHInst, 
+                           HWND             aHdlg, 
+                           int              aId, 
+                           const char*      aStr, 
+                           const nsIntRect& aRect)
+{
+  nsString cStr;
+  cStr.AssignWithConversion(aStr);
+  return CreateControl("BUTTON", BS_RADIOBUTTON, aHInst, aHdlg, aId, cStr, aRect);
+}
+
+//--------------------------------------------------------
+// Create a Group Box
+static HWND CreateGroupBox(HINSTANCE        aHInst, 
+                           HWND             aHdlg, 
+                           int              aId, 
+                           const nsAString& aStr, 
+                           const nsIntRect& aRect)
+{
+  return CreateControl("BUTTON", BS_GROUPBOX, aHInst, aHdlg, aId, aStr, aRect);
+}
+
+//--------------------------------------------------------
+// Localizes and initializes the radio buttons and group
+static void InitializeExtendedDialog(HWND hdlg, int16_t aHowToEnableFrameUI) 
+{
+  MOZ_ASSERT(aHowToEnableFrameUI != nsIPrintSettings::kFrameEnableNone,
+             "should not be called");
+
+  // Localize the new controls in the print dialog
+  nsCOMPtr<nsIStringBundle> strBundle;
+  if (NS_SUCCEEDED(GetLocalizedBundle(PRINTDLG_PROPERTIES, getter_AddRefs(strBundle)))) {
+    int32_t i = 0;
+    while (gAllPropKeys[i].mKeyStr != nullptr) {
+      SetText(hdlg, gAllPropKeys[i].mKeyId, strBundle, gAllPropKeys[i].mKeyStr);
+      i++;
+    }
+  }
+
+  // Set up radio buttons
+  if (aHowToEnableFrameUI == nsIPrintSettings::kFrameEnableAll) {
+    SetRadio(hdlg, rad4, false);  
+    SetRadio(hdlg, rad5, true); 
+    SetRadio(hdlg, rad6, false);
+    // set default so user doesn't have to actually press on it
+    gFrameSelectedRadioBtn = rad5;
+
+  } else { // nsIPrintSettings::kFrameEnableAsIsAndEach
+    SetRadio(hdlg, rad4, false);  
+    SetRadio(hdlg, rad5, false, false); 
+    SetRadio(hdlg, rad6, true);
+    // set default so user doesn't have to actually press on it
+    gFrameSelectedRadioBtn = rad6;
+  }
+}
+
+
+//--------------------------------------------------------
+// Special Hook Procedure for handling the print dialog messages
+static UINT CALLBACK PrintHookProc(HWND hdlg, UINT uiMsg, WPARAM wParam, LPARAM lParam) 
+{
+
+  if (uiMsg == WM_COMMAND) {
+    UINT id = LOWORD(wParam);
+    if (id == rad4 || id == rad5 || id == rad6) {
+      gFrameSelectedRadioBtn = id;
+      SetRadioOfGroup(hdlg, id);
+    }
+
+  } else if (uiMsg == WM_INITDIALOG) {
+    PRINTDLG * printDlg = (PRINTDLG *)lParam;
+    if (printDlg == nullptr) return 0L;
+
+    int16_t howToEnableFrameUI = (int16_t)printDlg->lCustData;
+    // don't add frame options if they would be disabled anyway
+    // because there are no frames
+    if (howToEnableFrameUI == nsIPrintSettings::kFrameEnableNone)
+      return TRUE;
+
+    HINSTANCE hInst = (HINSTANCE)::GetWindowLongPtr(hdlg, GWLP_HINSTANCE);
+    if (hInst == nullptr) return 0L;
+
+    // Start by getting the local rects of several of the controls
+    // so we can calculate where the new controls are
+    HWND wnd = ::GetDlgItem(hdlg, grp1);
+    if (wnd == nullptr) return 0L;
+    RECT dlgRect;
+    GetLocalRect(wnd, dlgRect, hdlg);
+
+    wnd = ::GetDlgItem(hdlg, rad1); // this is the top control "All"
+    if (wnd == nullptr) return 0L;
+    RECT rad1Rect;
+    GetLocalRect(wnd, rad1Rect, hdlg);
+
+    wnd = ::GetDlgItem(hdlg, rad2); // this is the bottom control "Selection"
+    if (wnd == nullptr) return 0L;
+    RECT rad2Rect;
+    GetLocalRect(wnd, rad2Rect, hdlg);
+
+    wnd = ::GetDlgItem(hdlg, rad3); // this is the middle control "Pages"
+    if (wnd == nullptr) return 0L;
+    RECT rad3Rect;
+    GetLocalRect(wnd, rad3Rect, hdlg);
+
+    HWND okWnd = ::GetDlgItem(hdlg, IDOK);
+    if (okWnd == nullptr) return 0L;
+    RECT okRect;
+    GetLocalRect(okWnd, okRect, hdlg);
+
+    wnd = ::GetDlgItem(hdlg, grp4); // this is the "Print range" groupbox
+    if (wnd == nullptr) return 0L;
+    RECT prtRect;
+    GetLocalRect(wnd, prtRect, hdlg);
+
+
+    // calculate various different "gaps" for layout purposes
+
+    int rbGap     = rad3Rect.top - rad1Rect.bottom;     // gap between radiobtns
+    int grpBotGap = dlgRect.bottom - rad2Rect.bottom;   // gap from bottom rb to bottom of grpbox
+    int grpGap    = dlgRect.top - prtRect.bottom ;      // gap between group boxes
+    int top       = dlgRect.bottom + grpGap;            
+    int radHgt    = rad1Rect.bottom - rad1Rect.top + 1; // top of new group box
+    int y         = top+(rad1Rect.top-dlgRect.top);     // starting pos of first radio
+    int rbWidth   = dlgRect.right - rad1Rect.left - 5;  // measure from rb left to the edge of the groupbox
+                                                        // (5 is arbitrary)
+    nsIntRect rect;
+
+    // Create and position the radio buttons
+    //
+    // If any one control cannot be created then 
+    // hide the others and bail out
+    //
+    rect.SetRect(rad1Rect.left, y, rbWidth,radHgt);
+    HWND rad4Wnd = CreateRadioBtn(hInst, hdlg, rad4, kAsLaidOutOnScreenStr, rect);
+    if (rad4Wnd == nullptr) return 0L;
+    y += radHgt + rbGap;
+
+    rect.SetRect(rad1Rect.left, y, rbWidth, radHgt);
+    HWND rad5Wnd = CreateRadioBtn(hInst, hdlg, rad5, kTheSelectedFrameStr, rect);
+    if (rad5Wnd == nullptr) {
+      Show(rad4Wnd, FALSE); // hide
+      return 0L;
+    }
+    y += radHgt + rbGap;
+
+    rect.SetRect(rad1Rect.left, y, rbWidth, radHgt);
+    HWND rad6Wnd = CreateRadioBtn(hInst, hdlg, rad6, kEachFrameSeparately, rect);
+    if (rad6Wnd == nullptr) {
+      Show(rad4Wnd, FALSE); // hide
+      Show(rad5Wnd, FALSE); // hide
+      return 0L;
+    }
+    y += radHgt + grpBotGap;
+
+    // Create and position the group box
+    rect.SetRect (dlgRect.left, top, dlgRect.right-dlgRect.left+1, y-top+1);
+    HWND grpBoxWnd = CreateGroupBox(hInst, hdlg, grp3, NS_LITERAL_STRING("Print Frame"), rect);
+    if (grpBoxWnd == nullptr) {
+      Show(rad4Wnd, FALSE); // hide
+      Show(rad5Wnd, FALSE); // hide
+      Show(rad6Wnd, FALSE); // hide
+      return 0L;
+    }
+
+    // Here we figure out the old height of the dlg
+    // then figure its gap from the old grpbx to the bottom
+    // then size the dlg
+    RECT pr, cr; 
+    ::GetWindowRect(hdlg, &pr);
+    ::GetClientRect(hdlg, &cr);
+
+    int dlgHgt = (cr.bottom - cr.top) + 1;
+    int bottomGap = dlgHgt - okRect.bottom;
+    pr.bottom += (dlgRect.bottom-dlgRect.top) + grpGap + 1 - (dlgHgt-dlgRect.bottom) + bottomGap;
+
+    ::SetWindowPos(hdlg, nullptr, pr.left, pr.top, pr.right-pr.left+1, pr.bottom-pr.top+1, 
+                   SWP_NOMOVE|SWP_NOREDRAW|SWP_NOZORDER);
+
+    // figure out the new height of the dialog
+    ::GetClientRect(hdlg, &cr);
+    dlgHgt = (cr.bottom - cr.top) + 1;
+ 
+    // Reposition the OK and Cancel btns
+    int okHgt = okRect.bottom - okRect.top + 1;
+    ::SetWindowPos(okWnd, nullptr, okRect.left, dlgHgt-bottomGap-okHgt, 0, 0, 
+                   SWP_NOSIZE|SWP_NOREDRAW|SWP_NOZORDER);
+
+    HWND cancelWnd = ::GetDlgItem(hdlg, IDCANCEL);
+    if (cancelWnd == nullptr) return 0L;
+
+    RECT cancelRect;
+    GetLocalRect(cancelWnd, cancelRect, hdlg);
+    int cancelHgt = cancelRect.bottom - cancelRect.top + 1;
+    ::SetWindowPos(cancelWnd, nullptr, cancelRect.left, dlgHgt-bottomGap-cancelHgt, 0, 0, 
+                   SWP_NOSIZE|SWP_NOREDRAW|SWP_NOZORDER);
+
+    // localize and initialize the groupbox and radiobuttons
+    InitializeExtendedDialog(hdlg, howToEnableFrameUI);
+
+    // Looks like we were able to extend the dialog
+    gDialogWasExtended = true;
+    return TRUE;
+  }
+  return 0L;
+}
+
+//----------------------------------------------------------------------------------
+// Returns a Global Moveable Memory Handle to a DevMode
+// from the Printer by the name of aPrintName
+//
+// NOTE:
+//   This function assumes that aPrintName has already been converted from 
+//   unicode
+//
+static nsReturnRef<nsHGLOBAL>
+CreateGlobalDevModeAndInit(const nsXPIDLString& aPrintName,
+                           nsIPrintSettings* aPS)
+{
+  nsHPRINTER hPrinter = nullptr;
+  // const cast kludge for silly Win32 api's
+  LPWSTR printName = const_cast<wchar_t*>(static_cast<const wchar_t*>(aPrintName.get()));
+  BOOL status = ::OpenPrinterW(printName, &hPrinter, nullptr);
+  if (!status) {
+    return nsReturnRef<nsHGLOBAL>();
+  }
+
+  // Make sure hPrinter is closed on all paths
+  nsAutoPrinter autoPrinter(hPrinter);
+
+  // Get the buffer size
+  LONG needed = ::DocumentPropertiesW(gParentWnd, hPrinter, printName, nullptr,
+                                      nullptr, 0);
+  if (needed < 0) {
+    return nsReturnRef<nsHGLOBAL>();
+  }
+
+  // Allocate a buffer of the correct size.
+  nsAutoDevMode newDevMode((LPDEVMODEW)::HeapAlloc(::GetProcessHeap(), HEAP_ZERO_MEMORY,
+                                                   needed));
+  if (!newDevMode) {
+    return nsReturnRef<nsHGLOBAL>();
+  }
+
+  nsHGLOBAL hDevMode = ::GlobalAlloc(GHND, needed);
+  nsAutoGlobalMem globalDevMode(hDevMode);
+  if (!hDevMode) {
+    return nsReturnRef<nsHGLOBAL>();
+  }
+
+  LONG ret = ::DocumentPropertiesW(gParentWnd, hPrinter, printName, newDevMode,
+                                   nullptr, DM_OUT_BUFFER);
+  if (ret != IDOK) {
+    return nsReturnRef<nsHGLOBAL>();
+  }
+
+  // Lock memory and copy contents from DEVMODE (current printer)
+  // to Global Memory DEVMODE
+  LPDEVMODEW devMode = (DEVMODEW *)::GlobalLock(hDevMode);
+  if (!devMode) {
+    return nsReturnRef<nsHGLOBAL>();
+  }
+
+  memcpy(devMode, newDevMode.get(), needed);
+  // Initialize values from the PrintSettings
+  nsCOMPtr<nsIPrintSettingsWin> psWin = do_QueryInterface(aPS);
+  MOZ_ASSERT(psWin);
+  psWin->CopyToNative(devMode);
+
+  // Sets back the changes we made to the DevMode into the Printer Driver
+  ret = ::DocumentPropertiesW(gParentWnd, hPrinter, printName, devMode, devMode,
+                              DM_IN_BUFFER | DM_OUT_BUFFER);
+  if (ret != IDOK) {
+    ::GlobalUnlock(hDevMode);
+    return nsReturnRef<nsHGLOBAL>();
+  }
+
+  ::GlobalUnlock(hDevMode);
+
+  return globalDevMode.out();
+}
+
+//------------------------------------------------------------------
+// helper
+static void GetDefaultPrinterNameFromGlobalPrinters(nsXPIDLString &printerName)
+{
+  nsCOMPtr<nsIPrinterEnumerator> prtEnum = do_GetService("@mozilla.org/gfx/printerenumerator;1");
+  if (prtEnum) {
+    prtEnum->GetDefaultPrinterName(getter_Copies(printerName));
+  }
+}
+
+// Determine whether we have a completely native dialog
+// or whether we cshould extend it
+static bool ShouldExtendPrintDialog()
+{
+  nsresult rv;
+  nsCOMPtr<nsIPrefService> prefs =
+    do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
+  NS_ENSURE_SUCCESS(rv, true);
+  nsCOMPtr<nsIPrefBranch> prefBranch;
+  rv = prefs->GetBranch(nullptr, getter_AddRefs(prefBranch));
+  NS_ENSURE_SUCCESS(rv, true);
+
+  bool result;
+  rv = prefBranch->GetBoolPref("print.extend_native_print_dialog", &result);
+  NS_ENSURE_SUCCESS(rv, true);
+  return result;
+}
+
+//------------------------------------------------------------------
+// Displays the native Print Dialog
+static nsresult 
+ShowNativePrintDialog(HWND              aHWnd,
+                      nsIPrintSettings* aPrintSettings)
+{
+  //NS_ENSURE_ARG_POINTER(aHWnd);
+  NS_ENSURE_ARG_POINTER(aPrintSettings);
+
+  gDialogWasExtended  = false;
+
+  // Get the Print Name to be used
+  nsXPIDLString printerName;
+  aPrintSettings->GetPrinterName(getter_Copies(printerName));
+
+  // If there is no name then use the default printer
+  if (printerName.IsEmpty()) {
+    GetDefaultPrinterNameFromGlobalPrinters(printerName);
+  } else {
+    HANDLE hPrinter = nullptr;
+    if(!::OpenPrinterW(const_cast<wchar_t*>(static_cast<const wchar_t*>(printerName.get())),
+                       &hPrinter, nullptr)) {
+      // If the last used printer is not found, we should use default printer.
+      GetDefaultPrinterNameFromGlobalPrinters(printerName);
+    } else {
+      ::ClosePrinter(hPrinter);
+    }
+  }
+
+  // Now create a DEVNAMES struct so the the dialog is initialized correctly.
+
+  uint32_t len = printerName.Length();
+  nsHGLOBAL hDevNames = ::GlobalAlloc(GHND, sizeof(wchar_t) * (len + 1)
+                                      + sizeof(DEVNAMES));
+  nsAutoGlobalMem autoDevNames(hDevNames);
+  if (!hDevNames) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  DEVNAMES* pDevNames = (DEVNAMES*)::GlobalLock(hDevNames);
+  if (!pDevNames) {
+    return NS_ERROR_FAILURE;
+  }
+  pDevNames->wDriverOffset = sizeof(DEVNAMES)/sizeof(wchar_t);
+  pDevNames->wDeviceOffset = sizeof(DEVNAMES)/sizeof(wchar_t);
+  pDevNames->wOutputOffset = sizeof(DEVNAMES)/sizeof(wchar_t)+len;
+  pDevNames->wDefault      = 0;
+
+  memcpy(pDevNames+1, printerName, (len + 1) * sizeof(wchar_t));
+  ::GlobalUnlock(hDevNames);
+
+  // Create a Moveable Memory Object that holds a new DevMode
+  // from the Printer Name
+  // The PRINTDLG.hDevMode requires that it be a moveable memory object
+  // NOTE: autoDevMode is automatically freed when any error occurred
+  nsAutoGlobalMem autoDevMode(CreateGlobalDevModeAndInit(printerName, aPrintSettings));
+
+  // Prepare to Display the Print Dialog
+  PRINTDLGW  prntdlg;
+  memset(&prntdlg, 0, sizeof(PRINTDLGW));
+
+  prntdlg.lStructSize = sizeof(prntdlg);
+  prntdlg.hwndOwner   = aHWnd;
+  prntdlg.hDevMode    = autoDevMode.get();
+  prntdlg.hDevNames   = hDevNames;
+  prntdlg.hDC         = nullptr;
+  prntdlg.Flags       = PD_ALLPAGES | PD_RETURNIC | 
+                        PD_USEDEVMODECOPIESANDCOLLATE | PD_COLLATE;
+
+  // if there is a current selection then enable the "Selection" radio button
+  int16_t howToEnableFrameUI = nsIPrintSettings::kFrameEnableNone;
+  bool isOn;
+  aPrintSettings->GetPrintOptions(nsIPrintSettings::kEnableSelectionRB, &isOn);
+  if (!isOn) {
+    prntdlg.Flags |= PD_NOSELECTION;
+  }
+  aPrintSettings->GetHowToEnableFrameUI(&howToEnableFrameUI);
+
+  int32_t pg = 1;
+  aPrintSettings->GetStartPageRange(&pg);
+  prntdlg.nFromPage           = pg;
+  
+  aPrintSettings->GetEndPageRange(&pg);
+  prntdlg.nToPage             = pg;
+
+  prntdlg.nMinPage            = 1;
+  prntdlg.nMaxPage            = 0xFFFF;
+  prntdlg.nCopies             = 1;
+  prntdlg.lpfnSetupHook       = nullptr;
+  prntdlg.lpSetupTemplateName = nullptr;
+  prntdlg.hPrintTemplate      = nullptr;
+  prntdlg.hSetupTemplate      = nullptr;
+
+  prntdlg.hInstance           = nullptr;
+  prntdlg.lpPrintTemplateName = nullptr;
+
+  if (!ShouldExtendPrintDialog()) {
+    prntdlg.lCustData         = 0;
+    prntdlg.lpfnPrintHook     = nullptr;
+  } else {
+    // Set up print dialog "hook" procedure for extending the dialog
+    prntdlg.lCustData         = (DWORD)howToEnableFrameUI;
+    prntdlg.lpfnPrintHook     = (LPPRINTHOOKPROC)PrintHookProc;
+    prntdlg.Flags            |= PD_ENABLEPRINTHOOK;
+  }
+
+  BOOL result;
+  {
+    mozilla::widget::WinUtils::AutoSystemDpiAware dpiAwareness;
+    result = ::PrintDlgW(&prntdlg);
+  }
+
+  if (TRUE == result) {
+    // check to make sure we don't have any nullptr pointers
+    NS_ENSURE_TRUE(aPrintSettings && prntdlg.hDevMode, NS_ERROR_FAILURE);
+
+    if (prntdlg.hDevNames == nullptr) {
+      return NS_ERROR_FAILURE;
+    }
+    // Lock the deviceNames and check for nullptr
+    DEVNAMES *devnames = (DEVNAMES *)::GlobalLock(prntdlg.hDevNames);
+    if (devnames == nullptr) {
+      return NS_ERROR_FAILURE;
+    }
+
+    char16_t* device = &(((char16_t *)devnames)[devnames->wDeviceOffset]);
+    char16_t* driver = &(((char16_t *)devnames)[devnames->wDriverOffset]);
+
+    // Check to see if the "Print To File" control is checked
+    // then take the name from devNames and set it in the PrintSettings
+    //
+    // NOTE:
+    // As per Microsoft SDK documentation the returned value offset from
+    // devnames->wOutputOffset is either "FILE:" or nullptr
+    // if the "Print To File" checkbox is checked it MUST be "FILE:"
+    // We assert as an extra safety check.
+    if (prntdlg.Flags & PD_PRINTTOFILE) {
+      char16ptr_t fileName = &(((wchar_t *)devnames)[devnames->wOutputOffset]);
+      NS_ASSERTION(wcscmp(fileName, L"FILE:") == 0, "FileName must be `FILE:`");
+      aPrintSettings->SetToFileName(fileName);
+      aPrintSettings->SetPrintToFile(true);
+    } else {
+      // clear "print to file" info
+      aPrintSettings->SetPrintToFile(false);
+      aPrintSettings->SetToFileName(nullptr);
+    }
+
+    nsCOMPtr<nsIPrintSettingsWin> psWin(do_QueryInterface(aPrintSettings));
+    if (!psWin) {
+      return NS_ERROR_FAILURE;
+    }
+
+    // Setup local Data members
+    psWin->SetDeviceName(device);
+    psWin->SetDriverName(driver);
+
+#if defined(DEBUG_rods) || defined(DEBUG_dcone)
+    wprintf(L"printer: driver %s, device %s  flags: %d\n", driver, device, prntdlg.Flags);
+#endif
+    // fill the print options with the info from the dialog
+
+    aPrintSettings->SetPrinterName(device);
+
+    if (prntdlg.Flags & PD_SELECTION) {
+      aPrintSettings->SetPrintRange(nsIPrintSettings::kRangeSelection);
+
+    } else if (prntdlg.Flags & PD_PAGENUMS) {
+      aPrintSettings->SetPrintRange(nsIPrintSettings::kRangeSpecifiedPageRange);
+      aPrintSettings->SetStartPageRange(prntdlg.nFromPage);
+      aPrintSettings->SetEndPageRange(prntdlg.nToPage);
+
+    } else { // (prntdlg.Flags & PD_ALLPAGES)
+      aPrintSettings->SetPrintRange(nsIPrintSettings::kRangeAllPages);
+    }
+
+    if (howToEnableFrameUI != nsIPrintSettings::kFrameEnableNone) {
+      // make sure the dialog got extended
+      if (gDialogWasExtended) {
+        // check to see about the frame radio buttons
+        switch (gFrameSelectedRadioBtn) {
+          case rad4: 
+            aPrintSettings->SetPrintFrameType(nsIPrintSettings::kFramesAsIs);
+            break;
+          case rad5: 
+            aPrintSettings->SetPrintFrameType(nsIPrintSettings::kSelectedFrame);
+            break;
+          case rad6: 
+            aPrintSettings->SetPrintFrameType(nsIPrintSettings::kEachFrameSep);
+            break;
+        } // switch
+      } else {
+        // if it didn't get extended then have it default to printing
+        // each frame separately
+        aPrintSettings->SetPrintFrameType(nsIPrintSettings::kEachFrameSep);
+      }
+    } else {
+      aPrintSettings->SetPrintFrameType(nsIPrintSettings::kNoFrames);
+    }
+    // Unlock DeviceNames
+    ::GlobalUnlock(prntdlg.hDevNames);
+
+    // Transfer the settings from the native data to the PrintSettings
+    LPDEVMODEW devMode = (LPDEVMODEW)::GlobalLock(prntdlg.hDevMode);
+    if (!devMode || !prntdlg.hDC) {
+      return NS_ERROR_FAILURE;
+    }
+    psWin->SetDevMode(devMode); // copies DevMode
+    psWin->CopyFromNative(prntdlg.hDC, devMode);
+    ::GlobalUnlock(prntdlg.hDevMode);
+    ::DeleteDC(prntdlg.hDC);
+
+#if defined(DEBUG_rods) || defined(DEBUG_dcone)
+    bool    printSelection = prntdlg.Flags & PD_SELECTION;
+    bool    printAllPages  = prntdlg.Flags & PD_ALLPAGES;
+    bool    printNumPages  = prntdlg.Flags & PD_PAGENUMS;
+    int32_t fromPageNum    = 0;
+    int32_t toPageNum      = 0;
+
+    if (printNumPages) {
+      fromPageNum = prntdlg.nFromPage;
+      toPageNum   = prntdlg.nToPage;
+    } 
+    if (printSelection) {
+      printf("Printing the selection\n");
+
+    } else if (printAllPages) {
+      printf("Printing all the pages\n");
+
+    } else {
+      printf("Printing from page no. %d to %d\n", fromPageNum, toPageNum);
+    }
+#endif
+    
+  } else {
+    ::SetFocus(aHWnd);
+    aPrintSettings->SetIsCancelled(true);
+    return NS_ERROR_ABORT;
+  }
+
+  return NS_OK;
+}
+
+//------------------------------------------------------------------
+static void 
+PrepareForPrintDialog(nsIWebBrowserPrint* aWebBrowserPrint, nsIPrintSettings* aPS)
+{
+  NS_ASSERTION(aWebBrowserPrint, "Can't be null");
+  NS_ASSERTION(aPS, "Can't be null");
+
+  bool isFramesetDocument;
+  bool isFramesetFrameSelected;
+  bool isIFrameSelected;
+  bool isRangeSelection;
+
+  aWebBrowserPrint->GetIsFramesetDocument(&isFramesetDocument);
+  aWebBrowserPrint->GetIsFramesetFrameSelected(&isFramesetFrameSelected);
+  aWebBrowserPrint->GetIsIFrameSelected(&isIFrameSelected);
+  aWebBrowserPrint->GetIsRangeSelection(&isRangeSelection);
+
+  // Setup print options for UI
+  if (isFramesetDocument) {
+    if (isFramesetFrameSelected) {
+      aPS->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableAll);
+    } else {
+      aPS->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableAsIsAndEach);
+    }
+  } else {
+    aPS->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableNone);
+  }
+
+  // Now determine how to set up the Frame print UI
+  aPS->SetPrintOptions(nsIPrintSettings::kEnableSelectionRB, isRangeSelection || isIFrameSelected);
+
+}
+
+//----------------------------------------------------------------------------------
+//-- Show Print Dialog
+//----------------------------------------------------------------------------------
+nsresult NativeShowPrintDialog(HWND                aHWnd,
+                               nsIWebBrowserPrint* aWebBrowserPrint,
+                               nsIPrintSettings*   aPrintSettings)
+{
+  PrepareForPrintDialog(aWebBrowserPrint, aPrintSettings);
+
+  nsresult rv = ShowNativePrintDialog(aHWnd, aPrintSettings);
+  if (aHWnd) {
+    ::DestroyWindow(aHWnd);
+  }
+
+  return rv;
+}
+