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33 #include "AbstractDatabase.h"
34 #include "ExceptionCode.h"
35 #include "PlatformString.h"
37 #include <wtf/Deque.h>
38 #include <wtf/Forward.h>
42 class DatabaseCallback;
43 class ScriptExecutionContext;
46 class SQLTransactionCallback;
47 class SQLTransactionClient;
48 class SQLTransactionCoordinator;
49 class SQLTransactionErrorCallback;
52 class Database : public AbstractDatabase {
56 // Direct support for the DOM API
57 static PassRefPtr<Database> openDatabase(ScriptExecutionContext*, const String& name, const String& expectedVersion, const String& displayName,
58 unsigned long estimatedSize, PassRefPtr<DatabaseCallback>, ExceptionCode&);
59 virtual String version() const;
60 void changeVersion(const String& oldVersion, const String& newVersion, PassRefPtr<SQLTransactionCallback>,
61 PassRefPtr<SQLTransactionErrorCallback>, PassRefPtr<VoidCallback> successCallback);
62 void transaction(PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>, PassRefPtr<VoidCallback> successCallback);
63 void readTransaction(PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>, PassRefPtr<VoidCallback> successCallback);
65 // Internal engine support
66 Vector<String> tableNames();
68 virtual SecurityOrigin* securityOrigin() const;
70 virtual void markAsDeletedAndClose();
71 bool deleted() const { return m_deleted; }
74 virtual void closeImmediately();
76 unsigned long long databaseSize() const;
77 unsigned long long maximumSize() const;
79 void scheduleTransactionCallback(SQLTransaction*);
80 void scheduleTransactionStep(SQLTransaction*, bool immediately = false);
82 SQLTransactionClient* transactionClient() const;
83 SQLTransactionCoordinator* transactionCoordinator() const;
86 class DatabaseOpenTask;
87 class DatabaseCloseTask;
88 class DatabaseTransactionTask;
89 class DatabaseTableNamesTask;
91 Database(ScriptExecutionContext*, const String& name, const String& expectedVersion,
92 const String& displayName, unsigned long estimatedSize);
93 void runTransaction(PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>,
94 PassRefPtr<VoidCallback> successCallback, bool readOnly);
96 bool openAndVerifyVersion(bool setVersionInNewDatabase, ExceptionCode&);
97 virtual bool performOpenAndVerify(bool setVersionInNewDatabase, ExceptionCode&);
99 void inProgressTransactionCompleted();
100 void scheduleTransaction();
102 Vector<String> performGetTableNames();
104 static void deliverPendingCallback(void*);
106 Deque<RefPtr<SQLTransaction> > m_transactionQueue;
107 Mutex m_transactionInProgressMutex;
108 bool m_transactionInProgress;
109 bool m_isTransactionQueueEnabled;
111 RefPtr<SecurityOrigin> m_databaseThreadSecurityOrigin;
116 } // namespace WebCore
118 #endif // ENABLE(DATABASE)