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26 #ifndef StorageAreaSync_h
27 #define StorageAreaSync_h
29 #if ENABLE(DOM_STORAGE)
31 #include "SQLiteDatabase.h"
32 #include "StringHash.h"
33 #include "StorageSyncManager.h"
35 #include <wtf/HashMap.h>
41 class StorageSyncManager;
43 class StorageAreaSync : public RefCounted<StorageAreaSync> {
49 static PassRefPtr<StorageAreaSync> create(PassRefPtr<StorageSyncManager> storageSyncManager, PassRefPtr<StorageArea> storageArea);
51 void scheduleFinalSync();
52 void blockUntilImportComplete() const;
54 void scheduleItemForSync(const String& key, const String& value);
58 StorageAreaSync(PassRefPtr<StorageSyncManager> storageSyncManager, PassRefPtr<StorageArea> storageArea);
60 void dispatchStorageEvent(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame);
62 Timer<StorageAreaSync> m_syncTimer;
63 HashMap<String, String> m_changedItems;
66 bool m_finalSyncScheduled;
68 RefPtr<StorageArea> m_storageArea;
69 RefPtr<StorageSyncManager> m_syncManager;
71 // The database handle will only ever be opened and used on the background thread.
72 SQLiteDatabase m_database;
74 // The following members are subject to thread synchronization issues.
76 // Called from the background thread
81 void syncTimerFired(Timer<StorageAreaSync>*);
82 void sync(bool clearItems, const HashMap<String, String>& items);
85 HashMap<String, String> m_itemsPendingSync;
86 bool m_clearItemsWhileSyncing;
89 mutable Mutex m_importLock;
90 mutable ThreadCondition m_importCondition;
91 mutable bool m_importComplete;
95 } // namespace WebCore
97 #endif // ENABLE(DOM_STORAGE)
99 #endif // StorageAreaSync_h