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#include "ui/base/win/scoped_ole_initializer.h" 6 7#include "base/logging.h" 8 9namespace ui { 10 11ScopedOleInitializer::ScopedOleInitializer() 12 : 13#ifndef NDEBUG 14 // Using the windows API directly to avoid dependency on platform_thread. 15 thread_id_(GetCurrentThreadId()), 16#endif 17 hr_(OleInitialize(NULL)) { 18#ifndef NDEBUG 19 if (hr_ == S_FALSE) { 20 LOG(ERROR) << "Multiple OleInitialize() calls for thread " << thread_id_; 21 } else { 22 DCHECK_NE(OLE_E_WRONGCOMPOBJ, hr_) << "Incompatible DLLs on machine"; 23 DCHECK_NE(RPC_E_CHANGED_MODE, hr_) << "Invalid COM thread model change"; 24 } 25#endif 26} 27 28ScopedOleInitializer::~ScopedOleInitializer() { 29#ifndef NDEBUG 30 DCHECK_EQ(thread_id_, GetCurrentThreadId()); 31#endif 32 if (SUCCEEDED(hr_)) 33 OleUninitialize(); 34} 35 36} // namespace ui 37