| /* |
| * Copyright (C) 2007, 2008, 2013 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef DatabaseTask_h |
| #define DatabaseTask_h |
| |
| #include "modules/webdatabase/Database.h" |
| #include "modules/webdatabase/DatabaseBasicTypes.h" |
| #include "modules/webdatabase/DatabaseError.h" |
| #include "modules/webdatabase/SQLTransactionBackend.h" |
| #include "platform/Task.h" |
| #include "platform/TaskSynchronizer.h" |
| #include "platform/heap/Handle.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/Threading.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class DatabaseTask : public WebThread::Task { |
| WTF_MAKE_NONCOPYABLE(DatabaseTask); WTF_MAKE_FAST_ALLOCATED; |
| public: |
| virtual ~DatabaseTask(); |
| |
| virtual void run() override final; |
| |
| Database* database() const { return m_database.get(); } |
| #if ENABLE(ASSERT) |
| bool hasSynchronizer() const { return m_synchronizer; } |
| #endif |
| |
| protected: |
| DatabaseTask(Database*, TaskSynchronizer*); |
| |
| private: |
| virtual void doPerformTask() = 0; |
| virtual void taskCancelled() { } |
| |
| CrossThreadPersistent<Database> m_database; |
| TaskSynchronizer* m_synchronizer; |
| |
| #if !LOG_DISABLED |
| virtual const char* debugTaskName() const = 0; |
| bool m_complete; |
| #endif |
| }; |
| |
| class Database::DatabaseOpenTask final : public DatabaseTask { |
| public: |
| static PassOwnPtr<DatabaseOpenTask> create(Database* db, bool setVersionInNewDatabase, TaskSynchronizer* synchronizer, DatabaseError& error, String& errorMessage, bool& success) |
| { |
| return adoptPtr(new DatabaseOpenTask(db, setVersionInNewDatabase, synchronizer, error, errorMessage, success)); |
| } |
| |
| private: |
| DatabaseOpenTask(Database*, bool setVersionInNewDatabase, TaskSynchronizer*, DatabaseError&, String& errorMessage, bool& success); |
| |
| virtual void doPerformTask() override; |
| #if !LOG_DISABLED |
| virtual const char* debugTaskName() const override; |
| #endif |
| |
| bool m_setVersionInNewDatabase; |
| DatabaseError& m_error; |
| String& m_errorMessage; |
| bool& m_success; |
| }; |
| |
| class Database::DatabaseCloseTask final : public DatabaseTask { |
| public: |
| static PassOwnPtr<DatabaseCloseTask> create(Database* db, TaskSynchronizer* synchronizer) |
| { |
| return adoptPtr(new DatabaseCloseTask(db, synchronizer)); |
| } |
| |
| private: |
| DatabaseCloseTask(Database*, TaskSynchronizer*); |
| |
| virtual void doPerformTask() override; |
| #if !LOG_DISABLED |
| virtual const char* debugTaskName() const override; |
| #endif |
| }; |
| |
| class Database::DatabaseTransactionTask final : public DatabaseTask { |
| public: |
| virtual ~DatabaseTransactionTask(); |
| |
| // Transaction task is never synchronous, so no 'synchronizer' parameter. |
| static PassOwnPtr<DatabaseTransactionTask> create(SQLTransactionBackend* transaction) |
| { |
| return adoptPtr(new DatabaseTransactionTask(transaction)); |
| } |
| |
| SQLTransactionBackend* transaction() const { return m_transaction.get(); } |
| |
| private: |
| explicit DatabaseTransactionTask(SQLTransactionBackend*); |
| |
| virtual void doPerformTask() override; |
| virtual void taskCancelled() override; |
| #if !LOG_DISABLED |
| virtual const char* debugTaskName() const override; |
| #endif |
| |
| CrossThreadPersistent<SQLTransactionBackend> m_transaction; |
| }; |
| |
| class Database::DatabaseTableNamesTask final : public DatabaseTask { |
| public: |
| static PassOwnPtr<DatabaseTableNamesTask> create(Database* db, TaskSynchronizer* synchronizer, Vector<String>& names) |
| { |
| return adoptPtr(new DatabaseTableNamesTask(db, synchronizer, names)); |
| } |
| |
| private: |
| DatabaseTableNamesTask(Database*, TaskSynchronizer*, Vector<String>& names); |
| |
| virtual void doPerformTask() override; |
| #if !LOG_DISABLED |
| virtual const char* debugTaskName() const override; |
| #endif |
| |
| Vector<String>& m_tableNames; |
| }; |
| |
| } // namespace blink |
| |
| #endif // DatabaseTask_h |