browser/app/winlauncher/ErrorHandler.h

   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 https://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_ErrorHandler_h
   8 #define mozilla_ErrorHandler_h
   9
  10 #include "mozilla/Assertions.h"
  11 #include "mozilla/WinHeaderOnlyUtils.h"
  12
  13 namespace mozilla {
  14
  15 /**
  16  * All launcher process error handling should live in the implementation of
  17  * this function.
  18  */
  19 void HandleLauncherError(const LauncherError& aError,
  20                          const char* aProcessType = nullptr);
  21
  22 // This function is simply a convenience overload that automatically unwraps
  23 // the LauncherError from the provided LauncherResult and then forwards it to
  24 // the main implementation.
  25 template <typename T>
  26 inline void HandleLauncherError(const LauncherResult<T>& aResult,
  27                                 const char* aProcessType = nullptr) {
  28   MOZ_ASSERT(aResult.isErr());
  29   if (aResult.isOk()) {
  30     return;
  31   }
  32
  33   HandleLauncherError(aResult.inspectErr(), aProcessType);
  34 }
  35
  36 // This function is simply a convenience overload that unwraps the provided
  37 // GenericErrorResult<LauncherError> and forwards it to the main implementation.
  38 inline void HandleLauncherError(
  39     const GenericErrorResult<LauncherError>& aResult,
  40     const char* aProcessType = nullptr) {
  41   LauncherVoidResult r(aResult);
  42   HandleLauncherError(r, aProcessType);
  43 }
  44
  45 // Forward declaration
  46 struct StaticXREAppData;
  47
  48 void SetLauncherErrorAppData(const StaticXREAppData& aAppData);
  49
  50 void SetLauncherErrorForceEventLog();
  51
  52 }  // namespace mozilla
  53
  54 #endif  //  mozilla_ErrorHandler_h