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29 #ifndef DatabaseTask_h
30 #define DatabaseTask_h
32 #include "modules/webdatabase/Database.h"
33 #include "modules/webdatabase/DatabaseBasicTypes.h"
34 #include "modules/webdatabase/DatabaseError.h"
35 #include "modules/webdatabase/SQLTransactionBackend.h"
36 #include "platform/Task.h"
37 #include "platform/TaskSynchronizer.h"
38 #include "platform/heap/Handle.h"
39 #include "wtf/OwnPtr.h"
40 #include "wtf/PassOwnPtr.h"
41 #include "wtf/PassRefPtr.h"
42 #include "wtf/RefPtr.h"
43 #include "wtf/Threading.h"
44 #include "wtf/Vector.h"
45 #include "wtf/text/WTFString.h"
49 class DatabaseTask : public WebThread::Task {
50 WTF_MAKE_NONCOPYABLE(DatabaseTask); WTF_MAKE_FAST_ALLOCATED;
52 virtual ~DatabaseTask();
54 virtual void run() OVERRIDE FINAL;
56 Database* database() const { return m_database.get(); }
58 bool hasSynchronizer() const { return m_synchronizer; }
62 DatabaseTask(Database*, TaskSynchronizer*);
65 virtual void doPerformTask() = 0;
66 virtual void taskCancelled() { }
68 RefPtrWillBeCrossThreadPersistent<Database> m_database;
69 TaskSynchronizer* m_synchronizer;
72 virtual const char* debugTaskName() const = 0;
77 class Database::DatabaseOpenTask FINAL : public DatabaseTask {
79 static PassOwnPtr<DatabaseOpenTask> create(Database* db, bool setVersionInNewDatabase, TaskSynchronizer* synchronizer, DatabaseError& error, String& errorMessage, bool& success)
81 return adoptPtr(new DatabaseOpenTask(db, setVersionInNewDatabase, synchronizer, error, errorMessage, success));
85 DatabaseOpenTask(Database*, bool setVersionInNewDatabase, TaskSynchronizer*, DatabaseError&, String& errorMessage, bool& success);
87 virtual void doPerformTask() OVERRIDE;
89 virtual const char* debugTaskName() const OVERRIDE;
92 bool m_setVersionInNewDatabase;
93 DatabaseError& m_error;
94 String& m_errorMessage;
98 class Database::DatabaseCloseTask FINAL : public DatabaseTask {
100 static PassOwnPtr<DatabaseCloseTask> create(Database* db, TaskSynchronizer* synchronizer)
102 return adoptPtr(new DatabaseCloseTask(db, synchronizer));
106 DatabaseCloseTask(Database*, TaskSynchronizer*);
108 virtual void doPerformTask() OVERRIDE;
110 virtual const char* debugTaskName() const OVERRIDE;
114 class Database::DatabaseTransactionTask FINAL : public DatabaseTask {
116 virtual ~DatabaseTransactionTask();
118 // Transaction task is never synchronous, so no 'synchronizer' parameter.
119 static PassOwnPtr<DatabaseTransactionTask> create(PassRefPtrWillBeRawPtr<SQLTransactionBackend> transaction)
121 return adoptPtr(new DatabaseTransactionTask(transaction));
124 SQLTransactionBackend* transaction() const { return m_transaction.get(); }
127 explicit DatabaseTransactionTask(PassRefPtrWillBeRawPtr<SQLTransactionBackend>);
129 virtual void doPerformTask() OVERRIDE;
130 virtual void taskCancelled() OVERRIDE;
132 virtual const char* debugTaskName() const OVERRIDE;
135 RefPtrWillBeCrossThreadPersistent<SQLTransactionBackend> m_transaction;
138 class Database::DatabaseTableNamesTask FINAL : public DatabaseTask {
140 static PassOwnPtr<DatabaseTableNamesTask> create(Database* db, TaskSynchronizer* synchronizer, Vector<String>& names)
142 return adoptPtr(new DatabaseTableNamesTask(db, synchronizer, names));
146 DatabaseTableNamesTask(Database*, TaskSynchronizer*, Vector<String>& names);
148 virtual void doPerformTask() OVERRIDE;
150 virtual const char* debugTaskName() const OVERRIDE;
153 Vector<String>& m_tableNames;
158 #endif // DatabaseTask_h