| // Copyright 2006-2008 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 MINI_CHROMIUM_BASE_MAC_SCOPED_NSOBJECT_H_ |
| #define MINI_CHROMIUM_BASE_MAC_SCOPED_NSOBJECT_H_ |
| |
| #import <Foundation/Foundation.h> |
| |
| #include <type_traits> |
| |
| #include "base/compiler_specific.h" |
| #include "base/mac/scoped_typeref.h" |
| |
| namespace base { |
| |
| namespace internal { |
| |
| template <typename NST> |
| struct ScopedNSProtocolTraits { |
| static NST InvalidValue() { return nil; } |
| static NST Retain(NST nst) { return [nst retain]; } |
| static void Release(NST nst) { [nst release]; } |
| }; |
| |
| } // namespace internal |
| |
| template <typename NST> |
| class scoped_nsprotocol |
| : public ScopedTypeRef<NST, internal::ScopedNSProtocolTraits<NST>> { |
| public: |
| using ScopedTypeRef<NST, |
| internal::ScopedNSProtocolTraits<NST>>::ScopedTypeRef; |
| |
| NST autorelease() { return [this->release() autorelease]; } |
| }; |
| |
| template <class C> |
| void swap(scoped_nsprotocol<C>& p1, scoped_nsprotocol<C>& p2) { |
| p1.swap(p2); |
| } |
| |
| template <class C> |
| bool operator==(C p1, const scoped_nsprotocol<C>& p2) { |
| return p1 == p2.get(); |
| } |
| |
| template <class C> |
| bool operator!=(C p1, const scoped_nsprotocol<C>& p2) { |
| return p1 != p2.get(); |
| } |
| |
| template <typename NST> |
| class scoped_nsobject : public scoped_nsprotocol<NST*> { |
| public: |
| using scoped_nsprotocol<NST*>::scoped_nsprotocol; |
| |
| static_assert(std::is_same<NST, NSAutoreleasePool>::value == false, |
| "Use ScopedNSAutoreleasePool instead"); |
| }; |
| |
| template<> |
| class scoped_nsobject<id> : public scoped_nsprotocol<id> { |
| public: |
| using scoped_nsprotocol<id>::scoped_nsprotocol; |
| }; |
| |
| } // namespace base |
| |
| #endif // MINI_CHROMIUM_BASE_MAC_SCOPED_NSOBJECT_H_ |