ui/base/win/scoped_ole_initializer.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_BASE_WIN_SCOPED_OLE_INITIALIZER_H_
   6 #define UI_BASE_WIN_SCOPED_OLE_INITIALIZER_H_
   7
   8 #include <ole2.h>
   9
  10 #include "base/basictypes.h"
  11 #include "ui/base/ui_base_export.h"
  12
  13 namespace ui {
  14
  15 class UI_BASE_EXPORT ScopedOleInitializer {
  16  public:
  17   ScopedOleInitializer();
  18   ~ScopedOleInitializer();
  19
  20  private:
  21 #ifndef NDEBUG
  22   // In debug builds we use this variable to catch a potential bug where a
  23   // ScopedOleInitializer instance is deleted on a different thread than it
  24   // was initially created on.  If that ever happens it can have bad
  25   // consequences and the cause can be tricky to track down.
  26   DWORD thread_id_;
  27 #endif
  28   HRESULT hr_;
  29
  30   DISALLOW_COPY_AND_ASSIGN(ScopedOleInitializer);
  31 };
  32
  33 }  // namespace
  34
  35 #endif  // UI_BASE_WIN_SCOPED_OLE_INITIALIZER_H_