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      1 /*
      2  * Copyright (C) 2013 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef CryptoResultImpl_h
     32 #define CryptoResultImpl_h
     33 
     34 #include "bindings/v8/ScriptPromise.h"
     35 #include "core/platform/CryptoResult.h"
     36 #include "public/platform/WebCrypto.h"
     37 #include "wtf/Forward.h"
     38 
     39 namespace WebCore {
     40 
     41 class ScriptPromiseResolver;
     42 
     43 // Wrapper around a Promise to notify completion of the crypto operation.
     44 // Platform cannot know about Promises which are declared in bindings.
     45 class CryptoResultImpl : public CryptoResult {
     46 public:
     47     ~CryptoResultImpl();
     48 
     49     static PassRefPtr<CryptoResultImpl> create(ScriptPromise);
     50 
     51     virtual void completeWithError() OVERRIDE;
     52     virtual void completeWithBuffer(const blink::WebArrayBuffer&) OVERRIDE;
     53     virtual void completeWithBoolean(bool) OVERRIDE;
     54     virtual void completeWithKey(const blink::WebCryptoKey&) OVERRIDE;
     55     virtual void completeWithKeyPair(const blink::WebCryptoKey& publicKey, const blink::WebCryptoKey& privateKey) OVERRIDE;
     56 
     57 private:
     58     explicit CryptoResultImpl(ScriptPromise);
     59     void finish();
     60 
     61     RefPtr<ScriptPromiseResolver> m_promiseResolver;
     62     bool m_finished;
     63 };
     64 
     65 } // namespace WebCore
     66 
     67 #endif
     68