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      1 /*
      2  * Copyright (C) 2005, 2007 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #import <Foundation/Foundation.h>
     30 #import <objc/objc-class.h>
     31 #import <objc/objc.h>
     32 
     33 // Use WebCFAutorelease to return an object made by a CoreFoundation
     34 // "create" or "copy" function as an autoreleased and garbage collected
     35 // object. CF objects need to be "made collectable" for autorelease to work
     36 // properly under GC.
     37 static inline id WebCFAutorelease(CFTypeRef obj)
     38 {
     39     if (obj)
     40         CFMakeCollectable(obj);
     41     [(id)obj autorelease];
     42     return (id)obj;
     43 }
     44 
     45 #if !(defined(OBJC_API_VERSION) && OBJC_API_VERSION > 0)
     46 
     47 static inline IMP method_setImplementation(Method m, IMP i)
     48 {
     49     IMP oi = m->method_imp;
     50     m->method_imp = i;
     51     return oi;
     52 }
     53 
     54 #endif
     55 
     56 @interface NSObject (WebNSObjectExtras)
     57 + (id)_webkit_invokeOnMainThread;
     58 - (id)_webkit_invokeOnMainThread;
     59 @end
     60