xpcom/base/nsErrorService.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsErrorService.h"
   8 #include "nsCRTGlue.h"
   9 #include "mozilla/StaticPtr.h"
  10 #include "mozilla/ClearOnShutdown.h"
  11
  12 namespace {
  13
  14 mozilla::StaticRefPtr<nsErrorService> gSingleton;
  15
  16 }
  17
  18 NS_IMPL_ISUPPORTS(nsErrorService, nsIErrorService)
  19
  20 // static
  21 already_AddRefed<nsIErrorService> nsErrorService::GetOrCreate() {
  22   // Be careful to not recreate the service for a second time if GetOrCreate is
  23   // called super late during shutdown.
  24   static bool serviceCreated = false;
  25   RefPtr<nsErrorService> svc;
  26   if (gSingleton) {
  27     svc = gSingleton;
  28   } else if (!serviceCreated) {
  29     gSingleton = new nsErrorService();
  30     mozilla::ClearOnShutdown(&gSingleton);
  31     svc = gSingleton;
  32     serviceCreated = true;
  33   }
  34
  35   return svc.forget();
  36 }
  37
  38 NS_IMETHODIMP
  39 nsErrorService::RegisterErrorStringBundle(int16_t aErrorModule,
  40                                           const char* aStringBundleURL) {
  41   mErrorStringBundleURLMap.Put(aErrorModule, new nsCString(aStringBundleURL));
  42   return NS_OK;
  43 }
  44
  45 NS_IMETHODIMP
  46 nsErrorService::UnregisterErrorStringBundle(int16_t aErrorModule) {
  47   mErrorStringBundleURLMap.Remove(aErrorModule);
  48   return NS_OK;
  49 }
  50
  51 NS_IMETHODIMP
  52 nsErrorService::GetErrorStringBundle(int16_t aErrorModule, char** aResult) {
  53   nsCString* bundleURL = mErrorStringBundleURLMap.Get(aErrorModule);
  54   if (!bundleURL) {
  55     return NS_ERROR_FAILURE;
  56   }
  57   *aResult = ToNewCString(*bundleURL);
  58   return NS_OK;
  59 }
  60
  61 ////////////////////////////////////////////////////////////////////////////////