Source/WebCore/Modules/quota/StorageQuota.h

/*
 * Copyright (C) 2011 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * 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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 */

#pragma once

#if ENABLE(QUOTA)

#include <wtf/RefCounted.h>

namespace WebCore {

class ScriptExecutionContext;
class StorageErrorCallback;
class StorageQuotaCallback;
class StorageUsageCallback;

class StorageQuota : public RefCounted<StorageQuota> {
public:
    enum Type {
        Temporary,
        Persistent,
    };

    static Ref<StorageQuota> create(Type type)
    {
        return adoptRef(*new StorageQuota(type));
    }

    void queryUsageAndQuota(ScriptExecutionContext&, RefPtr<StorageUsageCallback>&&, RefPtr<StorageErrorCallback>&&);

    void requestQuota(ScriptExecutionContext&, unsigned long long newQuotaInBytes, RefPtr<StorageQuotaCallback>&&, RefPtr<StorageErrorCallback>&&);

    ~StorageQuota();

private:
    explicit StorageQuota(Type);
    Type m_type;
};

} // namespace WebCore

#endif // ENABLE(QUOTA)