[tbb-commits] [tor-browser/esr24] Bug 701479 - Remove usage of EnumPrintersW to test if port is FILE:. nsDeviceContextSpecWin shouldn't start UI for asking for a filename nor query all possible printers. r=jimm, a=lsblakk

[mikeperry at torproject.org]

commit 470c1bc46464e1a745063c76f742a9575c4d5077
Author: Oskar Eisemuth <dev_oskar at hotmail.com>
Date:   Tue Jan 28 16:31:20 2014 +0100

    Bug 701479 - Remove usage of EnumPrintersW to test if port is FILE:. nsDeviceContextSpecWin shouldn't start UI for asking for a filename nor query all possible printers. r=jimm, a=lsblakk
---
 widget/windows/nsDeviceContextSpecWin.cpp |  196 -----------------------------
 1 file changed, 196 deletions(-)

diff --git a/widget/windows/nsDeviceContextSpecWin.cpp b/widget/windows/nsDeviceContextSpecWin.cpp
index 134d74f..1da105f 100644
--- a/widget/windows/nsDeviceContextSpecWin.cpp
+++ b/widget/windows/nsDeviceContextSpecWin.cpp
@@ -181,189 +181,6 @@ static PRUnichar * GetDefaultPrinterNameFromGlobalPrinters()
   return ToNewUnicode(printerName);
 }
 
-//----------------------------------------------------------------
-static nsresult 
-EnumerateNativePrinters(DWORD aWhichPrinters, LPWSTR aPrinterName, bool& aIsFound, bool& aIsFile)
-{
-  DWORD             dwSizeNeeded = 0;
-  DWORD             dwNumItems   = 0;
-  LPPRINTER_INFO_2W  lpInfo        = NULL;
-
-  // Get buffer size
-  if (::EnumPrintersW(aWhichPrinters, NULL, 2, NULL, 0, &dwSizeNeeded,
-                      &dwNumItems)) {
-    return NS_ERROR_FAILURE;
-  }
-
-  // allocate memory
-  lpInfo = (LPPRINTER_INFO_2W) malloc(dwSizeNeeded);
-  if (!lpInfo) {
-    return NS_ERROR_OUT_OF_MEMORY;
-  }
-
-  if (::EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, 2, (LPBYTE)lpInfo,
-                      dwSizeNeeded, &dwSizeNeeded, &dwNumItems) == 0) {
-    free(lpInfo);
-    return NS_OK;
-  }
-
-  for (DWORD i = 0; i < dwNumItems; i++ ) {
-    if (wcscmp(lpInfo[i].pPrinterName, aPrinterName) == 0) {
-      aIsFound = true;
-      aIsFile  = wcscmp(lpInfo[i].pPortName, L"FILE:") == 0;
-      break;
-    }
-  }
-
-  free(lpInfo);
-  return NS_OK;
-}
-
-//----------------------------------------------------------------
-static void 
-CheckForPrintToFileWithName(LPWSTR aPrinterName, bool& aIsFile)
-{
-  bool isFound = false;
-  aIsFile = false;
-  nsresult rv = EnumerateNativePrinters(PRINTER_ENUM_LOCAL, aPrinterName, isFound, aIsFile);
-  if (isFound) return;
-
-  rv = EnumerateNativePrinters(PRINTER_ENUM_NETWORK, aPrinterName, isFound, aIsFile);
-  if (isFound) return;
-
-  rv = EnumerateNativePrinters(PRINTER_ENUM_SHARED, aPrinterName, isFound, aIsFile);
-  if (isFound) return;
-
-  rv = EnumerateNativePrinters(PRINTER_ENUM_REMOTE, aPrinterName, isFound, aIsFile);
-  if (isFound) return;
-}
-
-static nsresult 
-GetFileNameForPrintSettings(nsIPrintSettings* aPS)
-{
-  // for testing
-#ifdef DEBUG_rods
-  return NS_OK;
-#endif
-
-  nsresult rv;
-
-  nsCOMPtr<nsIFilePicker> filePicker = do_CreateInstance("@mozilla.org/filepicker;1", &rv);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  nsCOMPtr<nsIStringBundleService> bundleService =
-    mozilla::services::GetStringBundleService();
-  if (!bundleService)
-    return NS_ERROR_FAILURE;
-  nsCOMPtr<nsIStringBundle> bundle;
-  rv = bundleService->CreateBundle(NS_ERROR_GFX_PRINTER_BUNDLE_URL, getter_AddRefs(bundle));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  nsXPIDLString title;
-  rv = bundle->GetStringFromName(NS_LITERAL_STRING("PrintToFile").get(), getter_Copies(title));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  nsCOMPtr<nsIWindowWatcher> wwatch =
-    (do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  nsCOMPtr<nsIDOMWindow> window;
-  wwatch->GetActiveWindow(getter_AddRefs(window));
-
-  rv = filePicker->Init(window, title, nsIFilePicker::modeSave);
-  NS_ENSURE_SUCCESS(rv, rv);
- 
-  rv = filePicker->AppendFilters(nsIFilePicker::filterAll);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  PRUnichar* fileName;
-  aPS->GetToFileName(&fileName);
-
-  if (fileName) {
-    if (*fileName) {
-      nsAutoString leafName;
-      nsCOMPtr<nsIFile> file(do_CreateInstance("@mozilla.org/file/local;1"));
-      if (file) {
-        rv = file->InitWithPath(nsDependentString(fileName));
-        if (NS_SUCCEEDED(rv)) {
-          file->GetLeafName(leafName);
-          filePicker->SetDisplayDirectory(file);
-        }
-      }
-      if (!leafName.IsEmpty()) {
-        rv = filePicker->SetDefaultString(leafName);
-      }
-      NS_ENSURE_SUCCESS(rv, rv);
-    }
-    nsMemory::Free(fileName);
-  }
-
-  int16_t dialogResult;
-  filePicker->Show(&dialogResult);
-
-  if (dialogResult == nsIFilePicker::returnCancel) {
-    return NS_ERROR_ABORT;
-  }
-
-  nsCOMPtr<nsIFile> localFile;
-  rv = filePicker->GetFile(getter_AddRefs(localFile));
-  NS_ENSURE_SUCCESS(rv, rv);
-  
-  if (dialogResult == nsIFilePicker::returnReplace) {
-    // be extra safe and only delete when the file is really a file
-    bool isFile;
-    rv = localFile->IsFile(&isFile);
-    if (NS_SUCCEEDED(rv) && isFile) {
-      rv = localFile->Remove(false /* recursive delete */);
-      NS_ENSURE_SUCCESS(rv, rv);
-    }
-  }
-
-  nsAutoString unicodePath;
-  rv = localFile->GetPath(unicodePath);
-  NS_ENSURE_SUCCESS(rv,rv);
-
-  if (unicodePath.IsEmpty()) {
-    rv = NS_ERROR_ABORT;
-  }
-
-  if (NS_SUCCEEDED(rv)) aPS->SetToFileName(unicodePath.get());
-
-  return rv;
-}
-
-//----------------------------------------------------------------------------------
-static nsresult
-CheckForPrintToFile(nsIPrintSettings* aPS, LPWSTR aPrinterName, PRUnichar* aUPrinterName)
-{
-  nsresult rv = NS_OK;
-
-  if (!aPrinterName && !aUPrinterName) return rv;
-
-  bool toFile;
-  CheckForPrintToFileWithName(aPrinterName?aPrinterName:aUPrinterName, toFile);
-  // Since the driver wasn't a "Print To File" Driver, check to see
-  // if the name of the file has been set to the special "FILE:"
-  if (!toFile) {
-    nsXPIDLString toFileName;
-    aPS->GetToFileName(getter_Copies(toFileName));
-    if (toFileName) {
-      if (*toFileName) {
-        if (toFileName.EqualsLiteral("FILE:")) {
-          // this skips the setting of the "print to file" info below
-          // which we don't want to do.
-          return NS_OK; 
-        }
-      }
-    }
-  }
-  aPS->SetPrintToFile(toFile);
-  if (toFile) {
-    rv = GetFileNameForPrintSettings(aPS);
-  }
-  return rv;
-}
-
 //----------------------------------------------------------------------------------
 NS_IMETHODIMP nsDeviceContextSpecWin::Init(nsIWidget* aWidget,
                                            nsIPrintSettings* aPrintSettings,
@@ -398,15 +215,6 @@ NS_IMETHODIMP nsDeviceContextSpecWin::Init(nsIWidget* aWidget,
         SetDriverName(driverName);
         SetDevMode(devMode);
 
-        if (!aIsPrintPreview) {
-          rv = CheckForPrintToFile(mPrintSettings, deviceName, nullptr);
-          if (NS_FAILED(rv)) {
-            nsCRT::free(deviceName);
-            nsCRT::free(driverName);
-            return NS_ERROR_FAILURE;
-          }
-        }
-
         // clean up
         nsCRT::free(deviceName);
         nsCRT::free(driverName);
@@ -437,10 +245,6 @@ NS_IMETHODIMP nsDeviceContextSpecWin::Init(nsIWidget* aWidget,
   NS_ASSERTION(printerName, "We have to have a printer name");
   if (!printerName || !*printerName) return rv;
 
-  if (!aIsPrintPreview) {
-    CheckForPrintToFile(mPrintSettings, nullptr, printerName);
-  }
- 
   return GetDataFromPrinter(printerName, mPrintSettings);
 }