Source/WebCore/storage/StorageNamespace.h

/*
 * Copyright (C) 2008 Apple 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:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include <wtf/Forward.h>
#include <wtf/RefCounted.h>

namespace PAL {
class SessionID;
}

namespace WebCore {

class Page;
class StorageArea;
struct SecurityOriginData;

class StorageNamespace : public RefCounted<StorageNamespace> {
public:
    virtual ~StorageNamespace() = default;
    virtual Ref<StorageArea> storageArea(const SecurityOriginData&) = 0;

    // FIXME: This is only valid for session storage and should probably be moved to a subclass.
    virtual Ref<StorageNamespace> copy(Page& newPage) = 0;

    virtual PAL::SessionID sessionID() const = 0;
    virtual void setSessionIDForTesting(PAL::SessionID) = 0;

    virtual uint64_t storageAreaMapCountForTesting() const { return 0; }
};

} // namespace WebCore