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
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER OR 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,
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#include "config.h"
#include "modules/crypto/WorkerGlobalScopeCrypto.h"

#include "core/dom/ScriptExecutionContext.h"
#include "modules/crypto/WorkerCrypto.h"

namespace WebCore {

WorkerGlobalScopeCrypto::WorkerGlobalScopeCrypto()
{
}

WorkerGlobalScopeCrypto::~WorkerGlobalScopeCrypto()
{
}

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

WorkerGlobalScopeCrypto* WorkerGlobalScopeCrypto::from(ScriptExecutionContext* context)
{
    WorkerGlobalScopeCrypto* supplement = static_cast<WorkerGlobalScopeCrypto*>(Supplement<ScriptExecutionContext>::from(context, supplementName()));
    if (!supplement) {
        supplement = new WorkerGlobalScopeCrypto();
        provideTo(context, supplementName(), adoptPtr(supplement));
    }
    return supplement;
}

WorkerCrypto* WorkerGlobalScopeCrypto::crypto(ScriptExecutionContext* context)
{
    return WorkerGlobalScopeCrypto::from(context)->crypto();
}

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

} // namespace WebCore