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3 * Copyright (C) 2011 Google, Inc. All Rights Reserved.
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28 #ifndef DatabaseContext_h
29 #define DatabaseContext_h
31 #include "core/dom/ActiveDOMObject.h"
32 #include "platform/heap/Handle.h"
33 #include "wtf/PassRefPtr.h"
34 #include "wtf/ThreadSafeRefCounted.h"
39 class DatabaseContext;
40 class TaskSynchronizer;
42 class ExecutionContext;
45 class DatabaseContext FINAL
46 : public ThreadSafeRefCountedWillBeGarbageCollectedFinalized<DatabaseContext>
47 , public ActiveDOMObject {
49 friend class DatabaseManager;
51 static PassRefPtrWillBeRawPtr<DatabaseContext> create(ExecutionContext*);
53 virtual ~DatabaseContext();
56 // For life-cycle management (inherited from ActiveDOMObject):
57 virtual void contextDestroyed() OVERRIDE;
58 virtual void stop() OVERRIDE;
60 DatabaseContext* backend();
61 DatabaseThread* databaseThread();
62 bool databaseThreadAvailable();
64 void setHasOpenDatabases() { m_hasOpenDatabases = true; }
65 // Blocks the caller thread until cleanup tasks are completed.
68 bool allowDatabaseAccess() const;
70 SecurityOrigin* securityOrigin() const;
71 bool isContextThread() const;
74 explicit DatabaseContext(ExecutionContext*);
76 RefPtrWillBeMember<DatabaseThread> m_databaseThread;
77 bool m_hasOpenDatabases; // This never changes back to false, even after the database thread is closed.
78 bool m_hasRequestedTermination;
83 #endif // DatabaseContext_h