Remove Pale Moon from the Unified XUL Platform repository

Development will proceed at https://github.com/MoonchildProductions/Pale-Moon

1 files changed, 0 insertions, 1277 deletions

diff --git a/application/palemoon/components/shell/nsWindowsShellService.cpp b/application/palemoon/components/shell/nsWindowsShellService.cpp
deleted file mode 100644
index c4039b95a..000000000
--- a/application/palemoon/components/shell/nsWindowsShellService.cpp
+++ /dev/null
@@ -1,1277 +0,0 @@
-/* -*- 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 "nsWindowsShellService.h"
-
-#include "imgIContainer.h"
-#include "imgIRequest.h"
-#include "mozilla/gfx/2D.h"
-#include "mozilla/RefPtr.h"
-#include "nsIDOMElement.h"
-#include "nsIDOMHTMLImageElement.h"
-#include "nsIImageLoadingContent.h"
-#include "nsIPrefService.h"
-#include "nsIPrefLocalizedString.h"
-#include "nsIServiceManager.h"
-#include "nsIStringBundle.h"
-#include "nsNetUtil.h"
-#include "nsServiceManagerUtils.h"
-#include "nsShellService.h"
-#include "nsIProcess.h"
-#include "nsICategoryManager.h"
-#include "nsBrowserCompsCID.h"
-#include "nsDirectoryServiceUtils.h"
-#include "nsAppDirectoryServiceDefs.h"
-#include "nsDirectoryServiceDefs.h"
-#include "nsIWindowsRegKey.h"
-#include "nsUnicharUtils.h"
-#include "nsIWinTaskbar.h"
-#include "nsISupportsPrimitives.h"
-#include "nsIURLFormatter.h"
-#include "nsThreadUtils.h"
-#include "nsXULAppAPI.h"
-#include "mozilla/WindowsVersion.h"
-
-#include "windows.h"
-#include "shellapi.h"
-
-#ifdef _WIN32_WINNT
-#undef _WIN32_WINNT
-#endif
-#define _WIN32_WINNT 0x0600
-#define INITGUID
-#undef NTDDI_VERSION
-#define NTDDI_VERSION NTDDI_WIN8
-// Needed for access to IApplicationActivationManager
-#include <shlobj.h>
-
-#include <mbstring.h>
-#include <shlwapi.h>
-
-#include <lm.h>
-#undef ACCESS_READ
-
-#ifndef MAX_BUF
-#define MAX_BUF 4096
-#endif
-
-#define REG_SUCCEEDED(val) \
-  (val == ERROR_SUCCESS)
-
-#define REG_FAILED(val) \
-  (val != ERROR_SUCCESS)
-
-#define NS_TASKBAR_CONTRACTID "@mozilla.org/windows-taskbar;1"
-
-using mozilla::IsWin8OrLater;
-using namespace mozilla;
-using namespace mozilla::gfx;
-
-NS_IMPL_ISUPPORTS(nsWindowsShellService, nsIWindowsShellService, nsIShellService)
-
-static nsresult
-OpenKeyForReading(HKEY aKeyRoot, const nsAString& aKeyName, HKEY* aKey)
-{
-  const nsString &flatName = PromiseFlatString(aKeyName);
-
-  DWORD res = ::RegOpenKeyExW(aKeyRoot, flatName.get(), 0, KEY_READ, aKey);
-  switch (res) {
-  case ERROR_SUCCESS:
-    break;
-  case ERROR_ACCESS_DENIED:
-    return NS_ERROR_FILE_ACCESS_DENIED;
-  case ERROR_FILE_NOT_FOUND:
-    return NS_ERROR_NOT_AVAILABLE;
-  }
-
-  return NS_OK;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// Default Browser Registry Settings
-//
-// The setting of these values are made by an external binary since writing
-// these values may require elevation.
-//
-// - File Extension Mappings
-//   -----------------------
-//   The following file extensions:
-//    .htm .html .shtml .xht .xhtml 
-//   are mapped like so:
-//
-//   HKCU\SOFTWARE\Classes\.<ext>\      (default)         REG_SZ     PaleMoonHTML
-//
-//   as aliases to the class:
-//
-//   HKCU\SOFTWARE\Classes\PaleMoonHTML\
-//     DefaultIcon                      (default)         REG_SZ     <apppath>,1
-//     shell\open\command               (default)         REG_SZ     <apppath> -osint -url "%1"
-//     shell\open\ddeexec               (default)         REG_SZ     <empty string>
-//
-// - Windows Vista and above Protocol Handler
-//
-//   HKCU\SOFTWARE\Classes\PaleMoonURL\  (default)         REG_SZ     <appname> URL
-//                                      EditFlags         REG_DWORD  2
-//                                      FriendlyTypeName  REG_SZ     <appname> URL
-//     DefaultIcon                      (default)         REG_SZ     <apppath>,1
-//     shell\open\command               (default)         REG_SZ     <apppath> -osint -url "%1"
-//     shell\open\ddeexec               (default)         REG_SZ     <empty string>
-//
-// - Protocol Mappings
-//   -----------------
-//   The following protocols:
-//    HTTP, HTTPS, FTP
-//   are mapped like so:
-//
-//   HKCU\SOFTWARE\Classes\<protocol>\
-//     DefaultIcon                      (default)         REG_SZ     <apppath>,1
-//     shell\open\command               (default)         REG_SZ     <apppath> -osint -url "%1"
-//     shell\open\ddeexec               (default)         REG_SZ     <empty string>
-//
-// - Windows Start Menu (XP SP1 and newer)
-//   -------------------------------------------------
-//   The following keys are set to make PaleMoon appear in the Start Menu as the
-//   browser:
-//   
-//   HKCU\SOFTWARE\Clients\StartMenuInternet\PaleMoon.EXE\
-//                                      (default)         REG_SZ     <appname>
-//     DefaultIcon                      (default)         REG_SZ     <apppath>,0
-//     InstallInfo                      HideIconsCommand  REG_SZ     <uninstpath> /HideShortcuts
-//     InstallInfo                      IconsVisible      REG_DWORD  1
-//     InstallInfo                      ReinstallCommand  REG_SZ     <uninstpath> /SetAsDefaultAppGlobal
-//     InstallInfo                      ShowIconsCommand  REG_SZ     <uninstpath> /ShowShortcuts
-//     shell\open\command               (default)         REG_SZ     <apppath>
-//     shell\properties                 (default)         REG_SZ     <appname> &Options
-//     shell\properties\command         (default)         REG_SZ     <apppath> -preferences
-//     shell\safemode                   (default)         REG_SZ     <appname> &Safe Mode
-//     shell\safemode\command           (default)         REG_SZ     <apppath> -safe-mode
-//
-
-// The values checked are all default values so the value name is not needed.
-typedef struct {
-  const char* keyName;
-  const char* valueData;
-  const char* oldValueData;
-} SETTING;
-
-#define APP_REG_NAME L"Pale Moon"
-#define VAL_FILE_ICON "%APPPATH%,1"
-#define VAL_OPEN "\"%APPPATH%\" -osint -url \"%1\""
-#define OLD_VAL_OPEN "\"%APPPATH%\" -requestPending -osint -url \"%1\""
-#define DI "\\DefaultIcon"
-#define SOC "\\shell\\open\\command"
-#define SOD "\\shell\\open\\ddeexec"
-// Used for updating the FTP protocol handler's shell open command under HKCU.
-#define FTP_SOC L"Software\\Classes\\ftp\\shell\\open\\command"
-
-#define MAKE_KEY_NAME1(PREFIX, MID) \
-  PREFIX MID
-
-// The DefaultIcon registry key value should never be used when checking if
-// PaleMoon is the default browser for file handlers since other applications
-// (e.g. MS Office) may modify the DefaultIcon registry key value to add Icon
-// Handlers. see http://msdn2.microsoft.com/en-us/library/aa969357.aspx for
-// more info. The FTP protocol is not checked so advanced users can set the FTP
-// handler to another application and still have PaleMoon check if it is the
-// default HTTP and HTTPS handler.
-// *** Do not add additional checks here unless you skip them when aForAllTypes
-// is false below***.
-static SETTING gSettings[] = {
-  // File Handler Class
-  // ***keep this as the first entry because when aForAllTypes is not set below
-  // it will skip over this check.***
-  { MAKE_KEY_NAME1("PaleMoonHTML", SOC), VAL_OPEN, OLD_VAL_OPEN },
-
-  // Protocol Handler Class - for Vista and above
-  { MAKE_KEY_NAME1("PaleMoonURL", SOC), VAL_OPEN, OLD_VAL_OPEN },
-
-  // Protocol Handlers
-  { MAKE_KEY_NAME1("HTTP", DI), VAL_FILE_ICON },
-  { MAKE_KEY_NAME1("HTTP", SOC), VAL_OPEN, OLD_VAL_OPEN },
-  { MAKE_KEY_NAME1("HTTPS", DI), VAL_FILE_ICON },
-  { MAKE_KEY_NAME1("HTTPS", SOC), VAL_OPEN, OLD_VAL_OPEN }
-};
-
-// The settings to disable DDE are separate from the default browser settings
-// since they are only checked when PaleMoon is the default browser and if they
-// are incorrect they are fixed without notifying the user.
-static SETTING gDDESettings[] = {
-  // File Handler Class
-  { MAKE_KEY_NAME1("Software\\Classes\\PaleMoonHTML", SOD) },
-
-  // Protocol Handler Class - for Vista and above
-  { MAKE_KEY_NAME1("Software\\Classes\\PaleMoonURL", SOD) },
-
-  // Protocol Handlers
-  { MAKE_KEY_NAME1("Software\\Classes\\FTP", SOD) },
-  { MAKE_KEY_NAME1("Software\\Classes\\HTTP", SOD) },
-  { MAKE_KEY_NAME1("Software\\Classes\\HTTPS", SOD) }
-};
-
-nsresult
-GetHelperPath(nsAutoString& aPath)
-{
-  nsresult rv;
-  nsCOMPtr<nsIProperties> directoryService = 
-    do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  nsCOMPtr<nsIFile> appHelper;
-  rv = directoryService->Get(XRE_EXECUTABLE_FILE,
-                             NS_GET_IID(nsIFile),
-                             getter_AddRefs(appHelper));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  rv = appHelper->SetNativeLeafName(NS_LITERAL_CSTRING("uninstall"));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  rv = appHelper->AppendNative(NS_LITERAL_CSTRING("helper.exe"));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  rv = appHelper->GetPath(aPath);
-
-  aPath.Insert(L'"', 0);
-  aPath.Append(L'"');
-  return rv;
-}
-
-nsresult
-LaunchHelper(nsAutoString& aPath)
-{
-  STARTUPINFOW si = {sizeof(si), 0};
-  PROCESS_INFORMATION pi = {0};
-
-  if (!CreateProcessW(nullptr, (LPWSTR)aPath.get(), nullptr, nullptr, FALSE,
-                      0, nullptr, nullptr, &si, &pi)) {
-    return NS_ERROR_FAILURE;
-  }
-
-  CloseHandle(pi.hProcess);
-  CloseHandle(pi.hThread);
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-nsWindowsShellService::ShortcutMaintenance()
-{
-  nsresult rv;
-
-  // XXX App ids were updated to a constant install path hash,
-  // XXX this code can be removed after a few upgrade cycles.
-
-  // Launch helper.exe so it can update the application user model ids on
-  // shortcuts in the user's taskbar and start menu. This keeps older pinned
-  // shortcuts grouped correctly after major updates. Note, we also do this
-  // through the upgrade installer script, however, this is the only place we
-  // have a chance to trap links created by users who do control the install/
-  // update process of the browser.
-
-  nsCOMPtr<nsIWinTaskbar> taskbarInfo =
-    do_GetService(NS_TASKBAR_CONTRACTID);
-  if (!taskbarInfo) // If we haven't built with win7 sdk features, this fails.
-    return NS_OK;
-
-  // Avoid if this isn't Win7+
-  bool isSupported = false;
-  taskbarInfo->GetAvailable(&isSupported);
-  if (!isSupported)
-    return NS_OK;
-
-  nsAutoString appId;
-  if (NS_FAILED(taskbarInfo->GetDefaultGroupId(appId)))
-    return NS_ERROR_UNEXPECTED;
-
-  NS_NAMED_LITERAL_CSTRING(prefName, "browser.taskbar.lastgroupid");
-  nsCOMPtr<nsIPrefBranch> prefs =
-    do_GetService(NS_PREFSERVICE_CONTRACTID);
-  if (!prefs)
-    return NS_ERROR_UNEXPECTED;
-
-  nsCOMPtr<nsISupportsString> prefString;
-  rv = prefs->GetComplexValue(prefName.get(),
-                              NS_GET_IID(nsISupportsString),
-                              getter_AddRefs(prefString));
-  if (NS_SUCCEEDED(rv)) {
-    nsAutoString version;
-    prefString->GetData(version);
-    if (!version.IsEmpty() && version.Equals(appId)) {
-      // We're all good, get out of here.
-      return NS_OK;
-    }
-  }
-  // Update the version in prefs
-  prefString =
-    do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
-  if (NS_FAILED(rv))
-    return rv;
-
-  prefString->SetData(appId);
-  rv = prefs->SetComplexValue(prefName.get(),
-                              NS_GET_IID(nsISupportsString),
-                              prefString);
-  if (NS_FAILED(rv)) {
-    NS_WARNING("Couldn't set last user model id!");
-    return NS_ERROR_UNEXPECTED;
-  }
-
-  nsAutoString appHelperPath;
-  if (NS_FAILED(GetHelperPath(appHelperPath)))
-    return NS_ERROR_UNEXPECTED;
-
-  appHelperPath.AppendLiteral(" /UpdateShortcutAppUserModelIds");
-
-  return LaunchHelper(appHelperPath);
-}
-
-static bool
-IsAARDefault(const RefPtr<IApplicationAssociationRegistration>& pAAR,
-             LPCWSTR aClassName)
-{
-  // Make sure the Prog ID matches what we have
-  LPWSTR registeredApp;
-  bool isProtocol = *aClassName != L'.';
-  ASSOCIATIONTYPE queryType = isProtocol ? AT_URLPROTOCOL : AT_FILEEXTENSION;
-  HRESULT hr = pAAR->QueryCurrentDefault(aClassName, queryType, AL_EFFECTIVE,
-                                         &registeredApp);
-  if (FAILED(hr)) {
-    return false;
-  }
-
-  LPCWSTR progID = isProtocol ? L"PaleMoonURL" : L"PaleMoonHTML";
-  bool isDefault = !wcsicmp(registeredApp, progID);
-  CoTaskMemFree(registeredApp);
-
-  return isDefault;
-}
-
-static void
-IsDefaultBrowserWin8(bool aCheckAllTypes, bool* aIsDefaultBrowser)
-{
-  RefPtr<IApplicationAssociationRegistration> pAAR;
-  HRESULT hr = CoCreateInstance(CLSID_ApplicationAssociationRegistration,
-                                nullptr,
-                                CLSCTX_INPROC,
-                                IID_IApplicationAssociationRegistration,
-                                getter_AddRefs(pAAR));
-  if (FAILED(hr)) {
-    return;
-  }
-
-  bool res = IsAARDefault(pAAR, L"http");
-  if (*aIsDefaultBrowser) {
-    *aIsDefaultBrowser = res;
-  }
-  res = IsAARDefault(pAAR, L".html");
-  if (*aIsDefaultBrowser && aCheckAllTypes) {
-    *aIsDefaultBrowser = res;
-  }
-}
-
-/*
- * Query's the AAR for the default status.
- * This only checks for PaleMoonURL and if aCheckAllTypes is set, then
- * it also checks for PaleMoonHTML.  Note that those ProgIDs are shared
- * by all PaleMoon browsers.
-*/
-bool
-nsWindowsShellService::IsDefaultBrowserVista(bool aCheckAllTypes,
-                                             bool* aIsDefaultBrowser)
-{
-  RefPtr<IApplicationAssociationRegistration> pAAR;
-  HRESULT hr = CoCreateInstance(CLSID_ApplicationAssociationRegistration,
-                                nullptr,
-                                CLSCTX_INPROC,
-                                IID_IApplicationAssociationRegistration,
-                                getter_AddRefs(pAAR));
-  if (FAILED(hr)) {
-    return false;
-  }
-
-  if (aCheckAllTypes) {
-    BOOL res;
-    hr = pAAR->QueryAppIsDefaultAll(AL_EFFECTIVE,
-                                    APP_REG_NAME,
-                                    &res);
-    *aIsDefaultBrowser = res;
-  } else if (!IsWin8OrLater()) {
-    *aIsDefaultBrowser = IsAARDefault(pAAR, L"http");
-  }
-
-  return true;
-}
-
-NS_IMETHODIMP
-nsWindowsShellService::IsDefaultBrowser(bool aStartupCheck,
-                                        bool aForAllTypes,
-                                        bool* aIsDefaultBrowser)
-{
-  // Assume we're the default unless one of the several checks below tell us
-  // otherwise.
-  *aIsDefaultBrowser = true;
-
-  wchar_t exePath[MAX_BUF];
-  if (!::GetModuleFileNameW(0, exePath, MAX_BUF))
-    return NS_ERROR_FAILURE;
-
-  // Convert the path to a long path since GetModuleFileNameW returns the path
-  // that was used to launch PaleMoon which is not necessarily a long path.
-  if (!::GetLongPathNameW(exePath, exePath, MAX_BUF))
-    return NS_ERROR_FAILURE;
-
-  nsAutoString appLongPath(exePath);
-
-  HKEY theKey;
-  DWORD res;
-  nsresult rv;
-  wchar_t currValue[MAX_BUF];
-
-  SETTING* settings = gSettings;
-  if (!aForAllTypes && IsWin8OrLater()) {
-    // Skip over the file handler check
-    settings++;
-  }
-
-  SETTING* end = gSettings + sizeof(gSettings) / sizeof(SETTING);
-
-  for (; settings < end; ++settings) {
-    NS_ConvertUTF8toUTF16 keyName(settings->keyName);
-    NS_ConvertUTF8toUTF16 valueData(settings->valueData);
-    int32_t offset = valueData.Find("%APPPATH%");
-    valueData.Replace(offset, 9, appLongPath);
-
-    rv = OpenKeyForReading(HKEY_CLASSES_ROOT, keyName, &theKey);
-    if (NS_FAILED(rv)) {
-      *aIsDefaultBrowser = false;
-      return NS_OK;
-    }
-
-    ::ZeroMemory(currValue, sizeof(currValue));
-    DWORD len = sizeof currValue;
-    res = ::RegQueryValueExW(theKey, L"", nullptr, nullptr,
-                             (LPBYTE)currValue, &len);
-    // Close the key that was opened.
-    ::RegCloseKey(theKey);
-    if (REG_FAILED(res) ||
-        _wcsicmp(valueData.get(), currValue)) {
-      // Key wasn't set or was set to something other than our registry entry.
-      NS_ConvertUTF8toUTF16 oldValueData(settings->oldValueData);
-      offset = oldValueData.Find("%APPPATH%");
-      oldValueData.Replace(offset, 9, appLongPath);
-      // The current registry value doesn't match the current or the old format.
-      if (_wcsicmp(oldValueData.get(), currValue)) {
-        *aIsDefaultBrowser = false;
-        return NS_OK;
-      }
-
-      res = ::RegOpenKeyExW(HKEY_CLASSES_ROOT, PromiseFlatString(keyName).get(),
-                            0, KEY_SET_VALUE, &theKey);
-      if (REG_FAILED(res)) {
-        // If updating the open command fails try to update it using the helper
-        // application when setting PaleMoon as the default browser.
-        *aIsDefaultBrowser = false;
-        return NS_OK;
-      }
-
-      const nsString &flatValue = PromiseFlatString(valueData);
-      res = ::RegSetValueExW(theKey, L"", 0, REG_SZ,
-                             (const BYTE *) flatValue.get(),
-                             (flatValue.Length() + 1) * sizeof(char16_t));
-      // Close the key that was created.
-      ::RegCloseKey(theKey);
-      if (REG_FAILED(res)) {
-        // If updating the open command fails try to update it using the helper
-        // application when setting PaleMoon as the default browser.
-        *aIsDefaultBrowser = false;
-        return NS_OK;
-      }
-    }
-  }
-
-  // Only check if PaleMoon is the default browser on Vista and above if the
-  // previous checks show that PaleMoon is the default browser.
-  if (*aIsDefaultBrowser) {
-    IsDefaultBrowserVista(aForAllTypes, aIsDefaultBrowser);
-    if (IsWin8OrLater()) {
-      IsDefaultBrowserWin8(aForAllTypes, aIsDefaultBrowser);
-    }
-  }
-
-  // To handle the case where DDE isn't disabled due for a user because there
-  // account didn't perform a PaleMoon update this will check if PaleMoon is the
-  // default browser and if dde is disabled for each handler
-  // and if it isn't disable it. When PaleMoon is not the default browser the
-  // helper application will disable dde for each handler.
-  if (*aIsDefaultBrowser && aForAllTypes) {
-    // Check ftp settings
-
-    end = gDDESettings + sizeof(gDDESettings) / sizeof(SETTING);
-
-    for (settings = gDDESettings; settings < end; ++settings) {
-      NS_ConvertUTF8toUTF16 keyName(settings->keyName);
-
-      rv = OpenKeyForReading(HKEY_CURRENT_USER, keyName, &theKey);
-      if (NS_FAILED(rv)) {
-        ::RegCloseKey(theKey);
-        // If disabling DDE fails try to disable it using the helper
-        // application when setting PaleMoon as the default browser.
-        *aIsDefaultBrowser = false;
-        return NS_OK;
-      }
-
-      ::ZeroMemory(currValue, sizeof(currValue));
-      DWORD len = sizeof currValue;
-      res = ::RegQueryValueExW(theKey, L"", nullptr, nullptr,
-                               (LPBYTE)currValue, &len);
-      // Close the key that was opened.
-      ::RegCloseKey(theKey);
-      if (REG_FAILED(res) || char16_t('\0') != *currValue) {
-        // Key wasn't set or was set to something other than our registry entry.
-        // Delete the key along with all of its childrean and then recreate it.
-        const nsString &flatName = PromiseFlatString(keyName);
-        ::SHDeleteKeyW(HKEY_CURRENT_USER, flatName.get());
-        res = ::RegCreateKeyExW(HKEY_CURRENT_USER, flatName.get(), 0, nullptr,
-                                REG_OPTION_NON_VOLATILE, KEY_SET_VALUE,
-                                nullptr, &theKey, nullptr);
-        if (REG_FAILED(res)) {
-          // If disabling DDE fails try to disable it using the helper
-          // application when setting PaleMoon as the default browser.
-          *aIsDefaultBrowser = false;
-          return NS_OK;
-        }
-
-        res = ::RegSetValueExW(theKey, L"", 0, REG_SZ, (const BYTE *) L"",
-                               sizeof(char16_t));
-        // Close the key that was created.
-        ::RegCloseKey(theKey);
-        if (REG_FAILED(res)) {
-          // If disabling DDE fails try to disable it using the helper
-          // application when setting PaleMoon as the default browser.
-          *aIsDefaultBrowser = false;
-          return NS_OK;
-        }
-      }
-    }
-
-    // Update the FTP protocol handler's shell open command if it is the old
-    // format.
-    res = ::RegOpenKeyExW(HKEY_CURRENT_USER, FTP_SOC, 0, KEY_ALL_ACCESS,
-                          &theKey);
-    // Don't update the FTP protocol handler's shell open command when opening
-    // its registry key fails under HKCU since it most likely doesn't exist.
-    if (NS_FAILED(rv)) {
-      return NS_OK;
-    }
-
-    NS_ConvertUTF8toUTF16 oldValueOpen(OLD_VAL_OPEN);
-    int32_t offset = oldValueOpen.Find("%APPPATH%");
-    oldValueOpen.Replace(offset, 9, appLongPath);
-
-    ::ZeroMemory(currValue, sizeof(currValue));
-    DWORD len = sizeof currValue;
-    res = ::RegQueryValueExW(theKey, L"", nullptr, nullptr, (LPBYTE)currValue,
-                             &len);
-
-    // Don't update the FTP protocol handler's shell open command when the
-    // current registry value doesn't exist or matches the old format.
-    if (REG_FAILED(res) ||
-        _wcsicmp(oldValueOpen.get(), currValue)) {
-      ::RegCloseKey(theKey);
-      return NS_OK;
-    }
-
-    NS_ConvertUTF8toUTF16 valueData(VAL_OPEN);
-    valueData.Replace(offset, 9, appLongPath);
-    const nsString &flatValue = PromiseFlatString(valueData);
-    res = ::RegSetValueExW(theKey, L"", 0, REG_SZ,
-                           (const BYTE *) flatValue.get(),
-                           (flatValue.Length() + 1) * sizeof(char16_t));
-    // Close the key that was created.
-    ::RegCloseKey(theKey);
-    // If updating the FTP protocol handlers shell open command fails try to
-    // update it using the helper application when setting PaleMoon as the
-    // default browser.
-    if (REG_FAILED(res)) {
-      *aIsDefaultBrowser = false;
-    }
-  }
-
-  return NS_OK;
-}
-
-static nsresult
-DynSHOpenWithDialog(HWND hwndParent, const OPENASINFO *poainfo)
-{
-  // shell32.dll is in the knownDLLs list so will always be loaded from the
-  // system32 directory.
-  static const wchar_t kSehllLibraryName[] =  L"shell32.dll";
-  HMODULE shellDLL = ::LoadLibraryW(kSehllLibraryName);
-  if (!shellDLL) {
-    return NS_ERROR_FAILURE;
-  }
-
-  decltype(SHOpenWithDialog)* SHOpenWithDialogFn =
-    (decltype(SHOpenWithDialog)*) GetProcAddress(shellDLL, "SHOpenWithDialog");
-
-  if (!SHOpenWithDialogFn) {
-    return NS_ERROR_FAILURE;
-  }
-
-  nsresult rv;
-  HRESULT hr = SHOpenWithDialogFn(hwndParent, poainfo);
-  if (SUCCEEDED(hr) || (hr == HRESULT_FROM_WIN32(ERROR_CANCELLED))) {
-    rv = NS_OK;
-  } else {
-    rv = NS_ERROR_FAILURE;
-  }
-  FreeLibrary(shellDLL);
-  return rv;
-}
-
-nsresult
-nsWindowsShellService::LaunchControlPanelDefaultsSelectionUI()
-{
-  IApplicationAssociationRegistrationUI* pAARUI;
-  HRESULT hr = CoCreateInstance(CLSID_ApplicationAssociationRegistrationUI,
-                                NULL,
-                                CLSCTX_INPROC,
-                                IID_IApplicationAssociationRegistrationUI,
-                                (void**)&pAARUI);
-  if (SUCCEEDED(hr)) {
-    hr = pAARUI->LaunchAdvancedAssociationUI(APP_REG_NAME);
-    pAARUI->Release();
-  }
-  return SUCCEEDED(hr) ? NS_OK : NS_ERROR_FAILURE;
-}
-
-nsresult
-nsWindowsShellService::LaunchControlPanelDefaultPrograms()
-{
-  // Build the path control.exe path safely
-  WCHAR controlEXEPath[MAX_PATH + 1] = { '\0' };
-  if (!GetSystemDirectoryW(controlEXEPath, MAX_PATH)) {
-    return NS_ERROR_FAILURE;
-  }
-  LPCWSTR controlEXE = L"control.exe";
-  if (wcslen(controlEXEPath) + wcslen(controlEXE) >= MAX_PATH) {
-    return NS_ERROR_FAILURE;
-  }
-  if (!PathAppendW(controlEXEPath, controlEXE)) {
-    return NS_ERROR_FAILURE;
-  }
-
-  WCHAR params[] = L"control.exe /name Microsoft.DefaultPrograms /page "
-    "pageDefaultProgram\\pageAdvancedSettings?pszAppName=" APP_REG_NAME;
-  STARTUPINFOW si = {sizeof(si), 0};
-  si.dwFlags = STARTF_USESHOWWINDOW;
-  si.wShowWindow = SW_SHOWDEFAULT;
-  PROCESS_INFORMATION pi = {0};
-  if (!CreateProcessW(controlEXEPath, params, nullptr, nullptr, FALSE,
-                      0, nullptr, nullptr, &si, &pi)) {
-    return NS_ERROR_FAILURE;
-  }
-  CloseHandle(pi.hProcess);
-  CloseHandle(pi.hThread);
-
-  return NS_OK;
-}
-
-static bool
-IsWindowsLogonConnected()
-{
-  WCHAR userName[UNLEN + 1];
-  DWORD size = ArrayLength(userName);
-  if (!GetUserNameW(userName, &size)) {
-    return false;
-  }
-
-  LPUSER_INFO_24 info;
-  if (NetUserGetInfo(nullptr, userName, 24, (LPBYTE *)&info)
-      != NERR_Success) {
-    return false;
-  }
-  bool connected = info->usri24_internet_identity;
-  NetApiBufferFree(info);
-
-  return connected;
-}
-
-static bool
-SettingsAppBelievesConnected()
-{
-  nsresult rv;
-  nsCOMPtr<nsIWindowsRegKey> regKey =
-    do_CreateInstance("@mozilla.org/windows-registry-key;1", &rv);
-  if (NS_FAILED(rv)) {
-    return false;
-  }
-
-  rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
-                    NS_LITERAL_STRING("SOFTWARE\\Microsoft\\Windows\\Shell\\Associations"),
-                    nsIWindowsRegKey::ACCESS_READ);
-  if (NS_FAILED(rv)) {
-    return false;
-  }
-
-  uint32_t value;
-  rv = regKey->ReadIntValue(NS_LITERAL_STRING("IsConnectedAtLogon"), &value);
-  if (NS_FAILED(rv)) {
-    return false;
-  }
-
-  return !!value;
-}
-
-nsresult
-nsWindowsShellService::LaunchModernSettingsDialogDefaultApps()
-{
-  if (!IsWindowsBuildOrLater(14965) &&
-      !IsWindowsLogonConnected() && SettingsAppBelievesConnected()) {
-    // Use the classic Control Panel to work around a bug of older
-    // builds of Windows 10.
-    return LaunchControlPanelDefaultPrograms();
-  }
-
-  IApplicationActivationManager* pActivator;
-  HRESULT hr = CoCreateInstance(CLSID_ApplicationActivationManager,
-                                nullptr,
-                                CLSCTX_INPROC,
-                                IID_IApplicationActivationManager,
-                                (void**)&pActivator);
-
-  if (SUCCEEDED(hr)) {
-    DWORD pid;
-    hr = pActivator->ActivateApplication(
-           L"windows.immersivecontrolpanel_cw5n1h2txyewy"
-           L"!microsoft.windows.immersivecontrolpanel",
-           L"page=SettingsPageAppsDefaults", AO_NONE, &pid);
-    if (SUCCEEDED(hr)) {
-      // Do not check error because we could at least open
-      // the "Default apps" setting.
-      pActivator->ActivateApplication(
-             L"windows.immersivecontrolpanel_cw5n1h2txyewy"
-             L"!microsoft.windows.immersivecontrolpanel",
-             L"page=SettingsPageAppsDefaults"
-             L"&target=SystemSettings_DefaultApps_Browser", AO_NONE, &pid);
-    }
-    pActivator->Release();
-    return SUCCEEDED(hr) ? NS_OK : NS_ERROR_FAILURE;
-  }
-  return NS_OK;
-}
-
-nsresult
-nsWindowsShellService::InvokeHTTPOpenAsVerb()
-{
-  nsCOMPtr<nsIURLFormatter> formatter(
-    do_GetService("@mozilla.org/toolkit/URLFormatterService;1"));
-  if (!formatter) {
-    return NS_ERROR_UNEXPECTED;
-  }
-
-  nsString urlStr;
-  nsresult rv = formatter->FormatURLPref(
-    NS_LITERAL_STRING("app.support.baseURL"), urlStr);
-  if (NS_FAILED(rv)) {
-    return rv;
-  }
-  if (!StringBeginsWith(urlStr, NS_LITERAL_STRING("https://"))) {
-    return NS_ERROR_FAILURE;
-  }
-  urlStr.AppendLiteral("win10-default-browser");
-
-  SHELLEXECUTEINFOW seinfo = { sizeof(SHELLEXECUTEINFOW) };
-  seinfo.lpVerb = L"openas";
-  seinfo.lpFile = urlStr.get();
-  seinfo.nShow = SW_SHOWNORMAL;
-  if (!ShellExecuteExW(&seinfo)) {
-    return NS_ERROR_FAILURE;
-  }
-  return NS_OK;
-}
-
-nsresult
-nsWindowsShellService::LaunchHTTPHandlerPane()
-{
-  OPENASINFO info;
-  info.pcszFile = L"http";
-  info.pcszClass = nullptr;
-  info.oaifInFlags = OAIF_FORCE_REGISTRATION | 
-                     OAIF_URL_PROTOCOL |
-                     OAIF_REGISTER_EXT;
-  return DynSHOpenWithDialog(nullptr, &info);
-}
-
-NS_IMETHODIMP
-nsWindowsShellService::SetDefaultBrowser(bool aClaimAllTypes, bool aForAllUsers)
-{
-  nsAutoString appHelperPath;
-  if (NS_FAILED(GetHelperPath(appHelperPath)))
-    return NS_ERROR_FAILURE;
-
-  if (aForAllUsers) {
-    appHelperPath.AppendLiteral(" /SetAsDefaultAppGlobal");
-  } else {
-    appHelperPath.AppendLiteral(" /SetAsDefaultAppUser");
-  }
-
-  nsresult rv = LaunchHelper(appHelperPath);
-  if (NS_SUCCEEDED(rv) && IsWin8OrLater()) {
-    if (aClaimAllTypes) {
-      if (IsWin10OrLater()) {
-        rv = LaunchModernSettingsDialogDefaultApps();
-      } else {
-        rv = LaunchControlPanelDefaultsSelectionUI();
-      }
-      // The above call should never really fail, but just in case
-      // fall back to showing the HTTP association screen only.
-      if (NS_FAILED(rv)) {
-        if (IsWin10OrLater()) {
-          rv = InvokeHTTPOpenAsVerb();
-        } else {
-          rv = LaunchHTTPHandlerPane();
-        }
-      }
-    } else {
-      // Windows 10 blocks attempts to load the
-      // HTTP Handler association dialog.
-      if (IsWin10OrLater()) {
-        rv = LaunchModernSettingsDialogDefaultApps();
-      } else {
-        rv = LaunchHTTPHandlerPane();
-      }
-
-      // The above call should never really fail, but just in case
-      // fall back to showing control panel for all defaults
-      if (NS_FAILED(rv)) {
-        rv = LaunchControlPanelDefaultsSelectionUI();
-      }
-    }
-  }
-
-  nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
-  if (prefs) {
-    (void) prefs->SetBoolPref(PREF_CHECKDEFAULTBROWSER, true);
-    // Reset the number of times the dialog should be shown
-    // before it is silenced.
-    (void) prefs->SetIntPref(PREF_DEFAULTBROWSERCHECKCOUNT, 0);
-  }
-
-  return rv;
-}
-
-static nsresult
-WriteBitmap(nsIFile* aFile, imgIContainer* aImage)
-{
-  nsresult rv;
-
-  RefPtr<SourceSurface> surface =
-    aImage->GetFrame(imgIContainer::FRAME_FIRST,
-                     imgIContainer::FLAG_SYNC_DECODE);
-  NS_ENSURE_TRUE(surface, NS_ERROR_FAILURE);
-
-  // For either of the following formats we want to set the biBitCount member
-  // of the BITMAPINFOHEADER struct to 32, below. For that value the bitmap
-  // format defines that the A8/X8 WORDs in the bitmap byte stream be ignored
-  // for the BI_RGB value we use for the biCompression member.
-  MOZ_ASSERT(surface->GetFormat() == SurfaceFormat::B8G8R8A8 ||
-             surface->GetFormat() == SurfaceFormat::B8G8R8X8);
-
-  RefPtr<DataSourceSurface> dataSurface = surface->GetDataSurface();
-  NS_ENSURE_TRUE(dataSurface, NS_ERROR_FAILURE);
-
-  int32_t width = dataSurface->GetSize().width;
-  int32_t height = dataSurface->GetSize().height;
-  int32_t bytesPerPixel = 4 * sizeof(uint8_t);
-  uint32_t bytesPerRow = bytesPerPixel * width;
-
-  // initialize these bitmap structs which we will later
-  // serialize directly to the head of the bitmap file
-  BITMAPINFOHEADER bmi;
-  bmi.biSize = sizeof(BITMAPINFOHEADER);
-  bmi.biWidth = width;
-  bmi.biHeight = height;
-  bmi.biPlanes = 1;
-  bmi.biBitCount = (WORD)bytesPerPixel*8;
-  bmi.biCompression = BI_RGB;
-  bmi.biSizeImage = bytesPerRow * height;
-  bmi.biXPelsPerMeter = 0;
-  bmi.biYPelsPerMeter = 0;
-  bmi.biClrUsed = 0;
-  bmi.biClrImportant = 0;
-
-  BITMAPFILEHEADER bf;
-  bf.bfType = 0x4D42; // 'BM'
-  bf.bfReserved1 = 0;
-  bf.bfReserved2 = 0;
-  bf.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
-  bf.bfSize = bf.bfOffBits + bmi.biSizeImage;
-
-  // get a file output stream
-  nsCOMPtr<nsIOutputStream> stream;
-  rv = NS_NewLocalFileOutputStream(getter_AddRefs(stream), aFile);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  DataSourceSurface::MappedSurface map;
-  if (!dataSurface->Map(DataSourceSurface::MapType::READ, &map)) {
-    return NS_ERROR_FAILURE;
-  }
-
-  // write the bitmap headers and rgb pixel data to the file
-  rv = NS_ERROR_FAILURE;
-  if (stream) {
-    uint32_t written;
-    stream->Write((const char*)&bf, sizeof(BITMAPFILEHEADER), &written);
-    if (written == sizeof(BITMAPFILEHEADER)) {
-      stream->Write((const char*)&bmi, sizeof(BITMAPINFOHEADER), &written);
-      if (written == sizeof(BITMAPINFOHEADER)) {
-        // write out the image data backwards because the desktop won't
-        // show bitmaps with negative heights for top-to-bottom
-        uint32_t i = map.mStride * height;
-        do {
-          i -= map.mStride;
-          stream->Write(((const char*)map.mData) + i, bytesPerRow, &written);
-          if (written == bytesPerRow) {
-            rv = NS_OK;
-          } else {
-            rv = NS_ERROR_FAILURE;
-            break;
-          }
-        } while (i != 0);
-      }
-    }
-
-    stream->Close();
-  }
-
-  dataSurface->Unmap();
-
-  return rv;
-}
-
-NS_IMETHODIMP
-nsWindowsShellService::SetDesktopBackground(nsIDOMElement* aElement, 
-                                            int32_t aPosition)
-{
-  nsresult rv;
-
-  nsCOMPtr<imgIContainer> container;
-  nsCOMPtr<nsIDOMHTMLImageElement> imgElement(do_QueryInterface(aElement));
-  if (!imgElement) {
-    // XXX write background loading stuff!
-    return NS_ERROR_NOT_AVAILABLE;
-  } 
-  else {
-    nsCOMPtr<nsIImageLoadingContent> imageContent =
-      do_QueryInterface(aElement, &rv);
-    if (!imageContent)
-      return rv;
-
-    // get the image container
-    nsCOMPtr<imgIRequest> request;
-    rv = imageContent->GetRequest(nsIImageLoadingContent::CURRENT_REQUEST,
-                                  getter_AddRefs(request));
-    if (!request)
-      return rv;
-    rv = request->GetImage(getter_AddRefs(container));
-    if (!container)
-      return NS_ERROR_FAILURE;
-  }
-
-  // get the file name from localized strings
-  nsCOMPtr<nsIStringBundleService>
-    bundleService(do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  nsCOMPtr<nsIStringBundle> shellBundle;
-  rv = bundleService->CreateBundle(SHELLSERVICE_PROPERTIES,
-                                   getter_AddRefs(shellBundle));
-  NS_ENSURE_SUCCESS(rv, rv);
- 
-  // e.g. "Desktop Background.bmp"
-  nsString fileLeafName;
-  rv = shellBundle->GetStringFromName
-                      (u"desktopBackgroundLeafNameWin",
-                       getter_Copies(fileLeafName));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // get the profile root directory
-  nsCOMPtr<nsIFile> file;
-  rv = NS_GetSpecialDirectory(NS_APP_APPLICATION_REGISTRY_DIR,
-                              getter_AddRefs(file));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // eventually, the path is "%APPDATA%\Mozilla\PaleMoon\Desktop Background.bmp"
-  rv = file->Append(fileLeafName);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  nsAutoString path;
-  rv = file->GetPath(path);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // write the bitmap to a file in the profile directory
-  rv = WriteBitmap(file, container);
-
-  // if the file was written successfully, set it as the system wallpaper
-  if (NS_SUCCEEDED(rv)) {
-    nsCOMPtr<nsIWindowsRegKey> regKey =
-      do_CreateInstance("@mozilla.org/windows-registry-key;1", &rv);
-    NS_ENSURE_SUCCESS(rv, rv);
-
-    rv = regKey->Create(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
-                        NS_LITERAL_STRING("Control Panel\\Desktop"),
-                        nsIWindowsRegKey::ACCESS_SET_VALUE);
-    NS_ENSURE_SUCCESS(rv, rv);
-
-    nsAutoString tile;
-    nsAutoString style;
-    switch (aPosition) {
-      case BACKGROUND_TILE:
-        style.Assign('0');
-        tile.Assign('1');
-        break;
-      case BACKGROUND_CENTER:
-        style.Assign('0');
-        tile.Assign('0');
-        break;
-      case BACKGROUND_STRETCH:
-        style.Assign('2');
-        tile.Assign('0');
-        break;
-      case BACKGROUND_FILL:
-        style.AssignLiteral("10");
-        tile.Assign('0');
-        break;
-      case BACKGROUND_FIT:
-        style.Assign('6');
-        tile.Assign('0');
-        break;
-    }
-
-    rv = regKey->WriteStringValue(NS_LITERAL_STRING("TileWallpaper"), tile);
-    NS_ENSURE_SUCCESS(rv, rv);
-    rv = regKey->WriteStringValue(NS_LITERAL_STRING("WallpaperStyle"), style);
-    NS_ENSURE_SUCCESS(rv, rv);
-    rv = regKey->Close();
-    NS_ENSURE_SUCCESS(rv, rv);
-
-    ::SystemParametersInfoW(SPI_SETDESKWALLPAPER, 0, (PVOID)path.get(),
-                            SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
-  }
-  return rv;
-}
-
-NS_IMETHODIMP
-nsWindowsShellService::OpenApplication(int32_t aApplication)
-{
-  nsAutoString application;
-  switch (aApplication) {
-  case nsIShellService::APPLICATION_MAIL:
-    application.AssignLiteral("Mail");
-    break;
-  case nsIShellService::APPLICATION_NEWS:
-    application.AssignLiteral("News");
-    break;
-  }
-
-  // The Default Client section of the Windows Registry looks like this:
-  // 
-  // Clients\aClient\
-  //  e.g. aClient = "Mail"...
-  //        \Mail\(default) = Client Subkey Name
-  //             \Client Subkey Name
-  //             \Client Subkey Name\shell\open\command\ 
-  //             \Client Subkey Name\shell\open\command\(default) = path to exe
-  //
-
-  // Find the default application for this class.
-  HKEY theKey;
-  nsresult rv = OpenKeyForReading(HKEY_CLASSES_ROOT, application, &theKey);
-  if (NS_FAILED(rv))
-    return rv;
-
-  wchar_t buf[MAX_BUF];
-  DWORD type, len = sizeof buf;
-  DWORD res = ::RegQueryValueExW(theKey, EmptyString().get(), 0,
-                                 &type, (LPBYTE)&buf, &len);
-
-  if (REG_FAILED(res) || !*buf)
-    return NS_OK;
-
-  // Close the key we opened.
-  ::RegCloseKey(theKey);
-
-  // Find the "open" command
-  application.Append('\\');
-  application.Append(buf);
-  application.AppendLiteral("\\shell\\open\\command");
-
-  rv = OpenKeyForReading(HKEY_CLASSES_ROOT, application, &theKey);
-  if (NS_FAILED(rv))
-    return rv;
-
-  ::ZeroMemory(buf, sizeof(buf));
-  len = sizeof buf;
-  res = ::RegQueryValueExW(theKey, EmptyString().get(), 0,
-                           &type, (LPBYTE)&buf, &len);
-  if (REG_FAILED(res) || !*buf)
-    return NS_ERROR_FAILURE;
-
-  // Close the key we opened.
-  ::RegCloseKey(theKey);
-
-  // Look for any embedded environment variables and substitute their 
-  // values, as |::CreateProcessW| is unable to do this.
-  nsAutoString path(buf);
-  int32_t end = path.Length();
-  int32_t cursor = 0, temp = 0;
-  ::ZeroMemory(buf, sizeof(buf));
-  do {
-    cursor = path.FindChar('%', cursor);
-    if (cursor < 0) 
-      break;
-
-    temp = path.FindChar('%', cursor + 1);
-    ++cursor;
-
-    ::ZeroMemory(&buf, sizeof(buf));
-
-    ::GetEnvironmentVariableW(nsAutoString(Substring(path, cursor, temp - cursor)).get(),
-                              buf, sizeof(buf));
-    
-    // "+ 2" is to subtract the extra characters used to delimit the environment
-    // variable ('%').
-    path.Replace((cursor - 1), temp - cursor + 2, nsDependentString(buf));
-
-    ++cursor;
-  }
-  while (cursor < end);
-
-  STARTUPINFOW si;
-  PROCESS_INFORMATION pi;
-
-  ::ZeroMemory(&si, sizeof(STARTUPINFOW));
-  ::ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
-
-  BOOL success = ::CreateProcessW(nullptr, (LPWSTR)path.get(), nullptr,
-                                  nullptr, FALSE, 0, nullptr,  nullptr,
-                                  &si, &pi);
-  if (!success)
-    return NS_ERROR_FAILURE;
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-nsWindowsShellService::GetDesktopBackgroundColor(uint32_t* aColor)
-{
-  uint32_t color = ::GetSysColor(COLOR_DESKTOP);
-  *aColor = (GetRValue(color) << 16) | (GetGValue(color) << 8) | GetBValue(color);
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-nsWindowsShellService::SetDesktopBackgroundColor(uint32_t aColor)
-{
-  int aParameters[2] = { COLOR_BACKGROUND, COLOR_DESKTOP };
-  BYTE r = (aColor >> 16);
-  BYTE g = (aColor << 16) >> 24;
-  BYTE b = (aColor << 24) >> 24;
-  COLORREF colors[2] = { RGB(r,g,b), RGB(r,g,b) };
-
-  ::SetSysColors(sizeof(aParameters) / sizeof(int), aParameters, colors);
-
-  nsresult rv;
-  nsCOMPtr<nsIWindowsRegKey> regKey =
-    do_CreateInstance("@mozilla.org/windows-registry-key;1", &rv);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  rv = regKey->Create(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
-                      NS_LITERAL_STRING("Control Panel\\Colors"),
-                      nsIWindowsRegKey::ACCESS_SET_VALUE);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  wchar_t rgb[12];
-  _snwprintf(rgb, 12, L"%u %u %u", r, g, b);
-
-  rv = regKey->WriteStringValue(NS_LITERAL_STRING("Background"),
-                                nsDependentString(rgb));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  return regKey->Close();
-}
-
-nsWindowsShellService::nsWindowsShellService()
-{
-}
-
-nsWindowsShellService::~nsWindowsShellService()
-{
-}
-
-NS_IMETHODIMP
-nsWindowsShellService::OpenApplicationWithURI(nsIFile* aApplication,
-                                              const nsACString& aURI)
-{
-  nsresult rv;
-  nsCOMPtr<nsIProcess> process = 
-    do_CreateInstance("@mozilla.org/process/util;1", &rv);
-  if (NS_FAILED(rv))
-    return rv;
-  
-  rv = process->Init(aApplication);
-  if (NS_FAILED(rv))
-    return rv;
-  
-  const nsCString spec(aURI);
-  const char* specStr = spec.get();
-  return process->Run(false, &specStr, 1);
-}
-
-NS_IMETHODIMP
-nsWindowsShellService::GetDefaultFeedReader(nsIFile** _retval)
-{
-  *_retval = nullptr;
-
-  nsresult rv;
-  nsCOMPtr<nsIWindowsRegKey> regKey =
-    do_CreateInstance("@mozilla.org/windows-registry-key;1", &rv);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_CLASSES_ROOT,
-                    NS_LITERAL_STRING("feed\\shell\\open\\command"),
-                    nsIWindowsRegKey::ACCESS_READ);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  nsAutoString path;
-  rv = regKey->ReadStringValue(EmptyString(), path);
-  NS_ENSURE_SUCCESS(rv, rv);
-  if (path.IsEmpty())
-    return NS_ERROR_FAILURE;
-
-  if (path.First() == '"') {
-    // Everything inside the quotes
-    path = Substring(path, 1, path.FindChar('"', 1) - 1);
-  }
-  else {
-    // Everything up to the first space
-    path = Substring(path, 0, path.FindChar(' '));
-  }
-
-  nsCOMPtr<nsIFile> defaultReader =
-    do_CreateInstance("@mozilla.org/file/local;1", &rv);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  rv = defaultReader->InitWithPath(path);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  bool exists;
-  rv = defaultReader->Exists(&exists);
-  NS_ENSURE_SUCCESS(rv, rv);
-  if (!exists)
-    return NS_ERROR_FAILURE;
-
-  NS_ADDREF(*_retval = defaultReader);
-  return NS_OK;
-}