--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/storage/OriginQuotaManager.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,137 @@
+/*
+ * 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)