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26 #ifndef DatabaseManager_h
27 #define DatabaseManager_h
29 #include "modules/webdatabase/DatabaseContext.h"
30 #include "modules/webdatabase/DatabaseError.h"
31 #include "platform/heap/Handle.h"
32 #include "wtf/Assertions.h"
33 #include "wtf/Forward.h"
34 #include "wtf/HashMap.h"
39 class DatabaseCallback;
40 class DatabaseContext;
43 class ExecutionContext;
45 class DatabaseManager {
46 WTF_MAKE_NONCOPYABLE(DatabaseManager); WTF_MAKE_FAST_ALLOCATED;
48 static DatabaseManager& manager();
50 // These 2 methods are for DatabaseContext (un)registration, and should only
51 // be called by the DatabaseContext constructor and destructor.
52 void registerDatabaseContext(DatabaseContext*);
53 void unregisterDatabaseContext(DatabaseContext*);
56 void didConstructDatabaseContext();
57 void didDestructDatabaseContext();
59 void didConstructDatabaseContext() { }
60 void didDestructDatabaseContext() { }
63 static void throwExceptionForDatabaseError(DatabaseError, const String& errorMessage, ExceptionState&);
65 Database* openDatabase(ExecutionContext*, const String& name, const String& expectedVersion, const String& displayName, unsigned long estimatedSize, DatabaseCallback*, DatabaseError&, String& errorMessage);
67 String fullPathForDatabase(SecurityOrigin*, const String& name, bool createIfDoesNotExist = true);
73 // This gets a DatabaseContext for the specified ExecutionContext.
74 // If one doesn't already exist, it will create a new one.
75 DatabaseContext* databaseContextFor(ExecutionContext*);
76 // This gets a DatabaseContext for the specified ExecutionContext if
77 // it already exist previously. Otherwise, it returns 0.
78 DatabaseContext* existingDatabaseContextFor(ExecutionContext*);
80 Database* openDatabaseInternal(ExecutionContext*,
81 const String& name, const String& expectedVersion, const String& displayName,
82 unsigned long estimatedSize, bool setVersionInNewDatabase, DatabaseError&, String& errorMessage);
84 static void logErrorMessage(ExecutionContext*, const String& message);
86 typedef PersistentHeapHashMap<ExecutionContext*, Member<DatabaseContext> > ContextMap;
87 ContextMap m_contextMap;
89 int m_databaseContextRegisteredCount;
90 int m_databaseContextInstanceCount;
96 #endif // DatabaseManager_h