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-rw-r--r--Source/WebCore/storage/StorageAreaSync.h108
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diff --git a/Source/WebCore/storage/StorageAreaSync.h b/Source/WebCore/storage/StorageAreaSync.h
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--- a/Source/WebCore/storage/StorageAreaSync.h
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-/*
- * Copyright (C) 2008, 2009, 2010 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
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef StorageAreaSync_h
-#define StorageAreaSync_h
-
-#include "SQLiteDatabase.h"
-#include "Timer.h"
-#include <wtf/HashMap.h>
-#include <wtf/text/StringHash.h>
-
-namespace WebCore {
-
-class Frame;
-class StorageAreaImpl;
-class StorageSyncManager;
-
-class StorageAreaSync : public ThreadSafeRefCounted<StorageAreaSync> {
-public:
- static PassRefPtr<StorageAreaSync> create(PassRefPtr<StorageSyncManager>, PassRefPtr<StorageAreaImpl>, const String& databaseIdentifier);
- ~StorageAreaSync();
-
- void scheduleFinalSync();
- void blockUntilImportComplete();
-
- void scheduleItemForSync(const String& key, const String& value);
- void scheduleClear();
- void scheduleCloseDatabase();
-
- void scheduleSync();
-
-private:
- StorageAreaSync(PassRefPtr<StorageSyncManager>, PassRefPtr<StorageAreaImpl>, const String& databaseIdentifier);
-
- void dispatchStorageEvent(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame);
-
- Timer<StorageAreaSync> m_syncTimer;
- HashMap<String, String> m_changedItems;
- bool m_itemsCleared;
-
- bool m_finalSyncScheduled;
-
- RefPtr<StorageAreaImpl> m_storageArea;
- RefPtr<StorageSyncManager> m_syncManager;
-
- // The database handle will only ever be opened and used on the background thread.
- SQLiteDatabase m_database;
-
- // The following members are subject to thread synchronization issues.
-public:
- // Called from the background thread
- void performImport();
- void performSync();
- void deleteEmptyDatabase();
-
-private:
- enum OpenDatabaseParamType {
- CreateIfNonExistent,
- SkipIfNonExistent
- };
-
- void syncTimerFired(Timer<StorageAreaSync>*);
- void openDatabase(OpenDatabaseParamType openingStrategy);
- void sync(bool clearItems, const HashMap<String, String>& items);
-
- const String m_databaseIdentifier;
-
- Mutex m_syncLock;
- HashMap<String, String> m_itemsPendingSync;
- bool m_clearItemsWhileSyncing;
- bool m_syncScheduled;
- bool m_syncInProgress;
- bool m_databaseOpenFailed;
-
- bool m_syncCloseDatabase;
-
- mutable Mutex m_importLock;
- mutable ThreadCondition m_importCondition;
- mutable bool m_importComplete;
- void markImported();
- void migrateItemTableIfNeeded();
-};
-
-} // namespace WebCore
-
-#endif // StorageAreaSync_h