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authorZeno Albisser <zeno.albisser@digia.com>2013-08-15 21:46:11 +0200
committerZeno Albisser <zeno.albisser@digia.com>2013-08-15 21:46:11 +0200
commit679147eead574d186ebf3069647b4c23e8ccace6 (patch)
treefc247a0ac8ff119f7c8550879ebb6d3dd8d1ff69 /chromium/base/win/scoped_hglobal.h
downloadqtwebengine-chromium-679147eead574d186ebf3069647b4c23e8ccace6.tar.gz
Initial import.
Diffstat (limited to 'chromium/base/win/scoped_hglobal.h')
-rw-r--r--chromium/base/win/scoped_hglobal.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/chromium/base/win/scoped_hglobal.h b/chromium/base/win/scoped_hglobal.h
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+++ b/chromium/base/win/scoped_hglobal.h
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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_
+
+#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_