Source/modules/crypto/KeyOperation.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * in the documentation and/or other materials provided with the
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef KeyOperation_h
#define KeyOperation_h

#include "bindings/v8/ScriptObject.h"
#include "public/platform/WebCrypto.h"
#include "wtf/Forward.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/ThreadSafeRefCounted.h"

namespace WebKit {
class WebCryptoKeyOperation;
class WebCryptoKey;
}

namespace WebCore {

class ExceptionState;
class ScriptPromiseResolver;

typedef int ExceptionCode;

class KeyOperation : public WebKit::WebCryptoKeyOperationResultPrivate, public ThreadSafeRefCounted<KeyOperation> {
public:
    static PassRefPtr<KeyOperation> create();

    ~KeyOperation();

    // Implementation of WebCryptoKeyOperationResultPrivate.
    virtual void initializationFailed() OVERRIDE;
    virtual void initializationSucceeded(WebKit::WebCryptoKeyOperation*) OVERRIDE;
    virtual void completeWithError() OVERRIDE;
    virtual void completeWithKey(const WebKit::WebCryptoKey&) OVERRIDE;
    virtual void ref() OVERRIDE;
    virtual void deref() OVERRIDE;

    ScriptObject returnValue(ExceptionState&);

private:
    enum State {
        Initializing,
        InProgress,
        Done,
    };

    KeyOperation();

    ScriptPromiseResolver* promiseResolver();

    State m_state;
    WebKit::WebCryptoKeyOperation* m_impl;
    ExceptionCode m_initializationError;
    RefPtr<ScriptPromiseResolver> m_promiseResolver;
};

} // namespace WebCore

#endif