| /* | 
 |  * Copyright (C) 2013 Apple Inc. All rights reserved. | 
 |  * | 
 |  * Redistribution and use in source and binary forms, with or without | 
 |  * modification, are permitted provided that the following conditions | 
 |  * are met: | 
 |  * 1. Redistributions of source code must retain the above copyright | 
 |  *    notice, this list of conditions and the following disclaimer. | 
 |  * 2. Redistributions in binary form must reproduce the above copyright | 
 |  *    notice, this list of conditions and the following disclaimer in the | 
 |  *    documentation and/or other materials provided with the distribution. | 
 |  * | 
 |  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | 
 |  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | 
 |  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 
 |  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | 
 |  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 
 |  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 
 |  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 
 |  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 
 |  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 
 |  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | 
 |  * THE POSSIBILITY OF SUCH DAMAGE. | 
 |  */ | 
 |  | 
 | #ifndef SubtleCrypto_h | 
 | #define SubtleCrypto_h | 
 |  | 
 | #include "ContextDestructionObserver.h" | 
 | #include <wtf/PassRefPtr.h> | 
 | #include <wtf/RefCounted.h> | 
 |  | 
 | #if ENABLE(SUBTLE_CRYPTO) | 
 |  | 
 | namespace WebCore { | 
 |  | 
 | class Document; | 
 |  | 
 | class SubtleCrypto : public ContextDestructionObserver, public RefCounted<SubtleCrypto> { | 
 | public: | 
 |     static PassRefPtr<SubtleCrypto> create(Document& document) { return adoptRef(new SubtleCrypto(document)); } | 
 |  | 
 |     Document* document() const; | 
 |  | 
 | private: | 
 |     SubtleCrypto(Document&); | 
 | }; | 
 |  | 
 | } | 
 |  | 
 | #endif | 
 |  | 
 | #endif // SubtleCrypto_h |