Source/WebCore/Modules/quota/NavigatorStorageQuota.cpp

/*
 * Copyright (C) 2013 Google 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:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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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
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 */

#include "config.h"
#include "NavigatorStorageQuota.h"

#if ENABLE(QUOTA)

#include "Frame.h"
#include "Navigator.h"
#include "StorageQuota.h"

namespace WebCore {

NavigatorStorageQuota::NavigatorStorageQuota(Frame* frame)
    : DOMWindowProperty(frame)
{
}

NavigatorStorageQuota::~NavigatorStorageQuota() = default;

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

NavigatorStorageQuota* NavigatorStorageQuota::from(Navigator* navigator)
{
    NavigatorStorageQuota* supplement = static_cast<NavigatorStorageQuota*>(Supplement<Navigator>::from(navigator, supplementName()));
    if (!supplement) {
        auto newSupplement = std::make_unique<NavigatorStorageQuota>(window);
        supplement = newSupplement.get();
        provideTo(navigator, supplementName(), WTFMove(newSupplement));
    }
    return supplement;
}

StorageQuota* NavigatorStorageQuota::webkitTemporaryStorage(Navigator* navigator)
{
    return NavigatorStorageQuota::from(navigator)->webkitTemporaryStorage();
}

StorageQuota* NavigatorStorageQuota::webkitPersistentStorage(Navigator* navigator)
{
    return NavigatorStorageQuota::from(navigator)->webkitPersistentStorage();
}

StorageQuota* NavigatorStorageQuota::webkitTemporaryStorage() const
{
    if (!m_temporaryStorage && frame())
        m_temporaryStorage = StorageQuota::create(StorageQuota::Temporary);
    return m_temporaryStorage.get();
}

StorageQuota* NavigatorStorageQuota::webkitPersistentStorage() const
{
    if (!m_persistentStorage && frame())
        m_persistentStorage = StorageQuota::create(StorageQuota::Persistent);
    return m_persistentStorage.get();
}

} // namespace WebCore

#endif // ENABLE(QUOTA)