xref: /external/chromium_org/third_party/WebKit/Source/modules/crypto/WorkerGlobalScopeCrypto.cpp

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "config.h"
#include "modules/crypto/WorkerGlobalScopeCrypto.h"

#include "core/dom/ExecutionContext.h"
#include "modules/crypto/Crypto.h"

namespace blink {

WorkerGlobalScopeCrypto::WorkerGlobalScopeCrypto()
{
}

const char* WorkerGlobalScopeCrypto::supplementName()
{
    return "WorkerGlobalScopeCrypto";
}

WorkerGlobalScopeCrypto& WorkerGlobalScopeCrypto::from(WillBeHeapSupplementable<WorkerGlobalScope>& context)
{
    WorkerGlobalScopeCrypto* supplement = static_cast<WorkerGlobalScopeCrypto*>(WillBeHeapSupplement<WorkerGlobalScope>::from(context, supplementName()));
    if (!supplement) {
        supplement = new WorkerGlobalScopeCrypto();
        provideTo(context, supplementName(), adoptPtrWillBeNoop(supplement));
    }
    return *supplement;
}

Crypto* WorkerGlobalScopeCrypto::crypto(WillBeHeapSupplementable<WorkerGlobalScope>& context)
{
    return WorkerGlobalScopeCrypto::from(context).crypto();
}

Crypto* WorkerGlobalScopeCrypto::crypto() const
{
    if (!m_crypto)
        m_crypto = Crypto::create();
    return m_crypto.get();
}

void WorkerGlobalScopeCrypto::trace(Visitor* visitor)
{
    visitor->trace(m_crypto);
    WillBeHeapSupplement<WorkerGlobalScope>::trace(visitor);
}

} // namespace blink