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// Copyright (c) 2010 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.
#ifndef BASE_WIN_SCOPED_HGLOBAL_H_
#define BASE_WIN_SCOPED_HGLOBAL_H_
#pragma once
#include <windows.h>
#include "base/basictypes.h"
namespace base {
namespace win {
// Like ScopedHandle except for HGLOBAL.
template<class T>
class ScopedHGlobal {
public:
explicit ScopedHGlobal(HGLOBAL glob) : glob_(glob) {
data_ = static_cast<T*>(GlobalLock(glob_));
}
~ScopedHGlobal() {
GlobalUnlock(glob_);
}
T* get() { return data_; }
size_t Size() const { return GlobalSize(glob_); }
T* operator->() const {
assert(data_ != 0);
return data_;
}
T* release() {
T* data = data_;
data_ = NULL;
return data;
}
private:
HGLOBAL glob_;
T* data_;
DISALLOW_COPY_AND_ASSIGN(ScopedHGlobal);
};
} // namespace win
} // namespace base
#endif // BASE_WIN_SCOPED_HGLOBAL_H_
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