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29 #ifndef SQLTransaction_h
30 #define SQLTransaction_h
32 #include "bindings/v8/ScriptWrappable.h"
33 #include "modules/webdatabase/AbstractSQLTransaction.h"
34 #include "modules/webdatabase/SQLCallbackWrapper.h"
35 #include "modules/webdatabase/SQLStatement.h"
36 #include "modules/webdatabase/SQLTransactionStateMachine.h"
37 #include "wtf/PassRefPtr.h"
38 #include "wtf/RefPtr.h"
42 class AbstractSQLTransactionBackend;
46 class SQLStatementCallback;
47 class SQLStatementErrorCallback;
48 class SQLTransactionCallback;
49 class SQLTransactionErrorCallback;
53 class SQLTransaction FINAL : public SQLTransactionStateMachine<SQLTransaction>, public AbstractSQLTransaction, public ScriptWrappable {
55 static PassRefPtr<SQLTransaction> create(Database*, PassOwnPtr<SQLTransactionCallback>,
56 PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<SQLTransactionErrorCallback>,
59 void performPendingCallback();
61 void executeSQL(const String& sqlStatement, const Vector<SQLValue>& arguments,
62 PassOwnPtr<SQLStatementCallback>, PassOwnPtr<SQLStatementErrorCallback>, ExceptionState&);
64 Database* database() { return m_database.get(); }
66 PassOwnPtr<SQLTransactionErrorCallback> releaseErrorCallback();
69 SQLTransaction(Database*, PassOwnPtr<SQLTransactionCallback>,
70 PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<SQLTransactionErrorCallback>,
73 void clearCallbackWrappers();
75 // APIs called from the backend published via AbstractSQLTransaction:
76 virtual void requestTransitToState(SQLTransactionState) OVERRIDE;
77 virtual bool hasCallback() const OVERRIDE;
78 virtual bool hasSuccessCallback() const OVERRIDE;
79 virtual bool hasErrorCallback() const OVERRIDE;
80 virtual void setBackend(AbstractSQLTransactionBackend*) OVERRIDE;
82 // State Machine functions:
83 virtual StateFunction stateFunctionFor(SQLTransactionState) OVERRIDE;
84 bool computeNextStateAndCleanupIfNeeded();
87 SQLTransactionState deliverTransactionCallback();
88 SQLTransactionState deliverTransactionErrorCallback();
89 SQLTransactionState deliverStatementCallback();
90 SQLTransactionState deliverQuotaIncreaseCallback();
91 SQLTransactionState deliverSuccessCallback();
93 SQLTransactionState unreachableState();
94 SQLTransactionState sendToBackendState();
96 SQLTransactionState nextStateForTransactionError();
98 RefPtr<Database> m_database;
99 RefPtr<AbstractSQLTransactionBackend> m_backend;
100 SQLCallbackWrapper<SQLTransactionCallback> m_callbackWrapper;
101 SQLCallbackWrapper<VoidCallback> m_successCallbackWrapper;
102 SQLCallbackWrapper<SQLTransactionErrorCallback> m_errorCallbackWrapper;
104 bool m_executeSqlAllowed;
105 RefPtr<SQLError> m_transactionError;
110 } // namespace WebCore
112 #endif // SQLTransaction_h