text: // Copyright (c) 2011 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_MAC_SCOPED_NSAUTORELEASE_POOL_H_
  #define BASE_MAC_SCOPED_NSAUTORELEASE_POOL_H_
  #pragma once
  
  #include "base/base_export.h"
  #include "base/basictypes.h"
  
  #if defined(__OBJC__)
  @class NSAutoreleasePool;
  #else  // __OBJC__
  class NSAutoreleasePool;
  #endif  // __OBJC__
  
  namespace base {
  namespace mac {
  
  // ScopedNSAutoreleasePool allocates an NSAutoreleasePool when instantiated and
  // sends it a -drain message when destroyed.  This allows an autorelease pool to
  // be maintained in ordinary C++ code without bringing in any direct Objective-C
  // dependency.
  
  class BASE_EXPORT ScopedNSAutoreleasePool {
   public:
    ScopedNSAutoreleasePool();
    ~ScopedNSAutoreleasePool();
  
    // Clear out the pool in case its position on the stack causes it to be
    // alive for long periods of time (such as the entire length of the app).
    // Only use then when you're certain the items currently in the pool are
    // no longer needed.
    void Recycle();
   private:
    NSAutoreleasePool* autorelease_pool_;
  
   private:
    DISALLOW_COPY_AND_ASSIGN(ScopedNSAutoreleasePool);
  };
  
  }  // namespace mac
  }  // namespace base
  
  #endif  // BASE_MAC_SCOPED_NSAUTORELEASE_POOL_H_
  