| /* |
| * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
| * Copyright (C) 2011 Google, 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR |
| * 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 DatabaseContext_h |
| #define DatabaseContext_h |
| |
| #include "core/dom/ActiveDOMObject.h" |
| #include "modules/webdatabase/DatabaseDetails.h" |
| #include "wtf/Assertions.h" |
| #include "wtf/ThreadSafeRefCounted.h" |
| |
| namespace WebCore { |
| |
| class Database; |
| class DatabaseBackendContext; |
| class DatabaseTaskSynchronizer; |
| class DatabaseThread; |
| class ScriptExecutionContext; |
| |
| class DatabaseContext : public ThreadSafeRefCounted<DatabaseContext>, ActiveDOMObject { |
| public: |
| virtual ~DatabaseContext(); |
| |
| // For life-cycle management (inherited from ActiveDOMObject): |
| virtual void contextDestroyed(); |
| virtual void stop(); |
| |
| PassRefPtr<DatabaseBackendContext> backend(); |
| DatabaseThread* databaseThread(); |
| |
| void setHasOpenDatabases() { m_hasOpenDatabases = true; } |
| bool hasOpenDatabases() { return m_hasOpenDatabases; } |
| |
| // When the database cleanup is done, cleanupSync will be signalled. |
| bool stopDatabases(DatabaseTaskSynchronizer*); |
| |
| bool allowDatabaseAccess() const; |
| |
| private: |
| explicit DatabaseContext(ScriptExecutionContext*); |
| |
| void stopDatabases() { stopDatabases(0); } |
| |
| RefPtr<DatabaseThread> m_databaseThread; |
| bool m_hasOpenDatabases; // This never changes back to false, even after the database thread is closed. |
| bool m_isRegistered; |
| bool m_hasRequestedTermination; |
| |
| friend class DatabaseBackendContext; |
| friend class DatabaseManager; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // DatabaseContext_h |