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29 #ifndef SQLTransaction_h
30 #define SQLTransaction_h
32 #include "bindings/v8/ScriptWrappable.h"
33 #include "heap/Handle.h"
34 #include "modules/webdatabase/AbstractSQLTransaction.h"
35 #include "modules/webdatabase/SQLCallbackWrapper.h"
36 #include "modules/webdatabase/SQLStatement.h"
37 #include "modules/webdatabase/SQLTransactionStateMachine.h"
38 #include "wtf/PassRefPtr.h"
39 #include "wtf/RefPtr.h"
43 class AbstractSQLTransactionBackend;
47 class SQLStatementCallback;
48 class SQLStatementErrorCallback;
49 class SQLTransactionCallback;
50 class SQLTransactionErrorCallback;
54 class SQLTransaction FINAL : public AbstractSQLTransaction, public SQLTransactionStateMachine<SQLTransaction>, public ScriptWrappable {
56 static PassRefPtrWillBeRawPtr<SQLTransaction> create(Database*, PassOwnPtr<SQLTransactionCallback>,
57 PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<SQLTransactionErrorCallback>,
59 virtual void trace(Visitor*) OVERRIDE;
61 void performPendingCallback();
63 void executeSQL(const String& sqlStatement, const Vector<SQLValue>& arguments,
64 PassOwnPtr<SQLStatementCallback>, PassOwnPtr<SQLStatementErrorCallback>, ExceptionState&);
66 Database* database() { return m_database.get(); }
68 PassOwnPtr<SQLTransactionErrorCallback> releaseErrorCallback();
71 SQLTransaction(Database*, PassOwnPtr<SQLTransactionCallback>,
72 PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<SQLTransactionErrorCallback>,
75 void clearCallbackWrappers();
77 // APIs called from the backend published via AbstractSQLTransaction:
78 virtual void requestTransitToState(SQLTransactionState) OVERRIDE;
79 virtual bool hasCallback() const OVERRIDE;
80 virtual bool hasSuccessCallback() const OVERRIDE;
81 virtual bool hasErrorCallback() const OVERRIDE;
82 virtual void setBackend(AbstractSQLTransactionBackend*) OVERRIDE;
84 // State Machine functions:
85 virtual StateFunction stateFunctionFor(SQLTransactionState) OVERRIDE;
86 bool computeNextStateAndCleanupIfNeeded();
89 SQLTransactionState deliverTransactionCallback();
90 SQLTransactionState deliverTransactionErrorCallback();
91 SQLTransactionState deliverStatementCallback();
92 SQLTransactionState deliverQuotaIncreaseCallback();
93 SQLTransactionState deliverSuccessCallback();
95 SQLTransactionState unreachableState();
96 SQLTransactionState sendToBackendState();
98 SQLTransactionState nextStateForTransactionError();
100 RefPtrWillBeMember<Database> m_database;
101 RefPtrWillBeMember<AbstractSQLTransactionBackend> m_backend;
102 SQLCallbackWrapper<SQLTransactionCallback> m_callbackWrapper;
103 SQLCallbackWrapper<VoidCallback> m_successCallbackWrapper;
104 SQLCallbackWrapper<SQLTransactionErrorCallback> m_errorCallbackWrapper;
106 bool m_executeSqlAllowed;
107 OwnPtr<SQLErrorData> m_transactionError;
112 } // namespace WebCore
114 #endif // SQLTransaction_h