LocalStorageArea.h [plain text]
#ifndef LocalStorageArea_h
#define LocalStorageArea_h
#include "LocalStorageTask.h"
#include "LocalStorageThread.h"
#include "SQLiteDatabase.h"
#include "StorageArea.h"
#include "StringHash.h"
#include "Timer.h"
#include <wtf/HashMap.h>
#include <wtf/PassRefPtr.h>
#include <wtf/Threading.h>
namespace WebCore {
class LocalStorage;
class LocalStorageArea : public StorageArea {
public:
virtual ~LocalStorageArea();
static PassRefPtr<LocalStorageArea> create(SecurityOrigin* origin, LocalStorage* localStorage) { return adoptRef(new LocalStorageArea(origin, localStorage)); }
void scheduleFinalSync();
private:
LocalStorageArea(SecurityOrigin*, LocalStorage*);
virtual void itemChanged(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame);
virtual void itemRemoved(const String& key, const String& oldValue, Frame* sourceFrame);
virtual void areaCleared(Frame* sourceFrame);
void scheduleItemForSync(const String& key, const String& value);
void scheduleClear();
void dispatchStorageEvent(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame);
Timer<LocalStorageArea> m_syncTimer;
HashMap<String, String> m_changedItems;
bool m_itemsCleared;
bool m_finalSyncScheduled;
LocalStorage* m_localStorage;
SQLiteDatabase m_database;
public:
virtual unsigned length() const;
virtual String key(unsigned index, ExceptionCode&) const;
virtual String getItem(const String&) const;
virtual void setItem(const String& key, const String& value, ExceptionCode&, Frame* sourceFrame);
virtual void removeItem(const String&, Frame* sourceFrame);
virtual bool contains(const String& key) const;
virtual void performImport();
virtual void performSync();
private:
void syncTimerFired(Timer<LocalStorageArea>*);
Mutex m_syncLock;
HashMap<String, String> m_itemsPendingSync;
bool m_clearItemsWhileSyncing;
bool m_syncScheduled;
mutable Mutex m_importLock;
mutable ThreadCondition m_importCondition;
mutable bool m_importComplete;
void markImported();
};
}
#endif // LocalStorageArea_h