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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/win/scoped_com_initializer.h"
#include "base/check_op.h"
namespace base {
namespace win {
ScopedCOMInitializer::ScopedCOMInitializer() {
Initialize(COINIT_APARTMENTTHREADED);
}
ScopedCOMInitializer::ScopedCOMInitializer(SelectMTA mta) {
Initialize(COINIT_MULTITHREADED);
}
ScopedCOMInitializer::~ScopedCOMInitializer() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
if (Succeeded())
CoUninitialize();
}
bool ScopedCOMInitializer::Succeeded() const {
return SUCCEEDED(hr_);
}
void ScopedCOMInitializer::Initialize(COINIT init) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
// COINIT_DISABLE_OLE1DDE is always added based on:
// https://docs.microsoft.com/en-us/windows/desktop/learnwin32/initializing-the-com-library
hr_ = CoInitializeEx(nullptr, init | COINIT_DISABLE_OLE1DDE);
DCHECK_NE(RPC_E_CHANGED_MODE, hr_) << "Invalid COM thread model change";
}
} // namespace win
} // namespace base
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