Move browser/cocoa to browser/ui/cocoa
BUG=none
TEST=none
TBR=brettw
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@67854 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/ui/cocoa/scoped_authorizationref.h b/chrome/browser/ui/cocoa/scoped_authorizationref.h
new file mode 100644
index 0000000..ae7edb3c
--- /dev/null
+++ b/chrome/browser/ui/cocoa/scoped_authorizationref.h
@@ -0,0 +1,80 @@
+// Copyright (c) 2009 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 CHROME_BROWSER_UI_COCOA_SCOPED_AUTHORIZATIONREF_H_
+#define CHROME_BROWSER_UI_COCOA_SCOPED_AUTHORIZATIONREF_H_
+#pragma once
+
+#include <Security/Authorization.h>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+
+// scoped_AuthorizationRef maintains ownership of an AuthorizationRef. It is
+// patterned after the scoped_ptr interface.
+
+class scoped_AuthorizationRef {
+ public:
+ explicit scoped_AuthorizationRef(AuthorizationRef authorization = NULL)
+ : authorization_(authorization) {
+ }
+
+ ~scoped_AuthorizationRef() {
+ if (authorization_) {
+ AuthorizationFree(authorization_, kAuthorizationFlagDestroyRights);
+ }
+ }
+
+ void reset(AuthorizationRef authorization = NULL) {
+ if (authorization_ != authorization) {
+ if (authorization_) {
+ AuthorizationFree(authorization_, kAuthorizationFlagDestroyRights);
+ }
+ authorization_ = authorization;
+ }
+ }
+
+ bool operator==(AuthorizationRef that) const {
+ return authorization_ == that;
+ }
+
+ bool operator!=(AuthorizationRef that) const {
+ return authorization_ != that;
+ }
+
+ operator AuthorizationRef() const {
+ return authorization_;
+ }
+
+ AuthorizationRef* operator&() {
+ return &authorization_;
+ }
+
+ AuthorizationRef get() const {
+ return authorization_;
+ }
+
+ void swap(scoped_AuthorizationRef& that) {
+ AuthorizationRef temp = that.authorization_;
+ that.authorization_ = authorization_;
+ authorization_ = temp;
+ }
+
+ // scoped_AuthorizationRef::release() is like scoped_ptr<>::release. It is
+ // NOT a wrapper for AuthorizationFree(). To force a
+ // scoped_AuthorizationRef object to call AuthorizationFree(), use
+ // scoped_AuthorizaitonRef::reset().
+ AuthorizationRef release() WARN_UNUSED_RESULT {
+ AuthorizationRef temp = authorization_;
+ authorization_ = NULL;
+ return temp;
+ }
+
+ private:
+ AuthorizationRef authorization_;
+
+ DISALLOW_COPY_AND_ASSIGN(scoped_AuthorizationRef);
+};
+
+#endif // CHROME_BROWSER_UI_COCOA_SCOPED_AUTHORIZATIONREF_H_
