/*

 * 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.

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "config.h"

#include "OriginQuotaManager.h"

#if ENABLE(DATABASE)

#include "AbstractDatabase.h"

#include "OriginUsageRecord.h"

namespace WebCore {

OriginQuotaManager::OriginQuotaManager()

#ifndef NDEBUG

    : m_usageRecordGuardLocked(false)

#endif

{

}

bool OriginQuotaManager::tryLock()

{

    bool locked = m_usageRecordGuard.tryLock();

#ifndef NDEBUG

    if (locked)

        m_usageRecordGuardLocked = true;

    else

        ASSERT(m_usageRecordGuardLocked);

#endif

    return locked;

}

void OriginQuotaManager::lock()

{

    m_usageRecordGuard.lock();

#ifndef NDEBUG

    m_usageRecordGuardLocked = true;

#endif

}

void OriginQuotaManager::unlock()

{

#ifndef NDEBUG

    m_usageRecordGuardLocked = false;

#endif

    m_usageRecordGuard.unlock();

}

void OriginQuotaManager::trackOrigin(PassRefPtr<SecurityOrigin> origin)

{

    ASSERT(m_usageRecordGuardLocked);

    ASSERT(!m_usageMap.contains(origin.get()));

    m_usageMap.set(origin->threadsafeCopy(), new OriginUsageRecord);

}

bool OriginQuotaManager::tracksOrigin(SecurityOrigin* origin) const

{

    ASSERT(m_usageRecordGuardLocked);

    return m_usageMap.contains(origin);

}

void OriginQuotaManager::addDatabase(SecurityOrigin* origin, const String& databaseIdentifier, const String& fullPath)

{

    ASSERT(m_usageRecordGuardLocked);

    OriginUsageRecord* usageRecord = m_usageMap.get(origin);

    ASSERT(usageRecord);

    usageRecord->addDatabase(databaseIdentifier.threadsafeCopy(), fullPath.threadsafeCopy());

}

void OriginQuotaManager::removeDatabase(SecurityOrigin* origin, const String& databaseIdentifier)

{

    ASSERT(m_usageRecordGuardLocked);

    if (OriginUsageRecord* usageRecord = m_usageMap.get(origin))

        usageRecord->removeDatabase(databaseIdentifier);

}

void OriginQuotaManager::removeOrigin(SecurityOrigin* origin)

{

    ASSERT(m_usageRecordGuardLocked);

    if (OriginUsageRecord* usageRecord = m_usageMap.get(origin)) {

        m_usageMap.remove(origin);

        delete usageRecord;

    }

}

void OriginQuotaManager::markDatabase(AbstractDatabase* database)

{

    ASSERT(database);

    ASSERT(m_usageRecordGuardLocked);

    OriginUsageRecord* usageRecord = m_usageMap.get(database->securityOrigin());

    ASSERT(usageRecord);

    usageRecord->markDatabase(database->stringIdentifier());

}

unsigned long long OriginQuotaManager::diskUsage(SecurityOrigin* origin) const

{

    ASSERT(m_usageRecordGuardLocked);

    OriginUsageRecord* usageRecord = m_usageMap.get(origin);

    ASSERT(usageRecord);

    return usageRecord->diskUsage();

}

}

#endif // ENABLE(DATABASE)