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29 #ifndef SQLTransaction_h
30 #define SQLTransaction_h
32 #include "bindings/core/v8/ScriptWrappable.h"
33 #include "modules/webdatabase/SQLStatement.h"
34 #include "modules/webdatabase/SQLTransactionStateMachine.h"
35 #include "platform/heap/Handle.h"
42 class SQLStatementCallback;
43 class SQLStatementErrorCallback;
44 class SQLTransactionBackend;
45 class SQLTransactionCallback;
46 class SQLTransactionErrorCallback;
50 class SQLTransaction final
51 : public GarbageCollectedFinalized<SQLTransaction>
52 , public SQLTransactionStateMachine<SQLTransaction>
53 , public ScriptWrappable {
54 DEFINE_WRAPPERTYPEINFO();
56 static SQLTransaction* create(Database*, SQLTransactionCallback*,
57 VoidCallback* successCallback, SQLTransactionErrorCallback*, bool readOnly);
61 void performPendingCallback();
63 void executeSQL(const String& sqlStatement, const Vector<SQLValue>& arguments,
64 SQLStatementCallback*, SQLStatementErrorCallback*, ExceptionState&);
66 Database* database() { return m_database.get(); }
68 SQLTransactionErrorCallback* releaseErrorCallback();
70 // APIs called from the backend published:
71 void requestTransitToState(SQLTransactionState);
72 bool hasCallback() const;
73 bool hasSuccessCallback() const;
74 bool hasErrorCallback() const;
75 void setBackend(SQLTransactionBackend*);
78 SQLTransaction(Database*, SQLTransactionCallback*,
79 VoidCallback* successCallback, SQLTransactionErrorCallback*,
82 void clearCallbacks();
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 Member<Database> m_database;
101 Member<SQLTransactionBackend> m_backend;
102 Member<SQLTransactionCallback> m_callback;
103 Member<VoidCallback> m_successCallback;
104 Member<SQLTransactionErrorCallback> m_errorCallback;
106 bool m_executeSqlAllowed;
107 OwnPtr<SQLErrorData> m_transactionError;
110 int m_asyncOperationId;
115 #endif // SQLTransaction_h