| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * Copyright (C) 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 DatabaseBackendBase_h |
| #define DatabaseBackendBase_h |
| |
| #include "modules/webdatabase/sqlite/SQLiteDatabase.h" |
| #include "modules/webdatabase/DatabaseBasicTypes.h" |
| #include "modules/webdatabase/DatabaseDetails.h" |
| #include "modules/webdatabase/DatabaseError.h" |
| #include "wtf/Forward.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/ThreadSafeRefCounted.h" |
| #include "wtf/text/WTFString.h" |
| |
| #if !LOG_DISABLED || !ERROR_DISABLED |
| #include "platform/weborigin/SecurityOrigin.h" |
| #endif |
| |
| namespace WebCore { |
| |
| class DatabaseAuthorizer; |
| class DatabaseContext; |
| class DatabaseBase; |
| class SecurityOrigin; |
| |
| class DatabaseBackendBase : public ThreadSafeRefCounted<DatabaseBackendBase> { |
| public: |
| virtual ~DatabaseBackendBase(); |
| |
| virtual String version() const; |
| |
| bool opened() const { return m_opened; } |
| bool isNew() const { return m_new; } |
| bool isSyncDatabase() const { return m_isSyncDatabase; } |
| |
| virtual SecurityOrigin* securityOrigin() const; |
| virtual String stringIdentifier() const; |
| virtual String displayName() const; |
| virtual unsigned long estimatedSize() const; |
| virtual String fileName() const; |
| virtual DatabaseDetails details() const; |
| SQLiteDatabase& sqliteDatabase() { return m_sqliteDatabase; } |
| |
| unsigned long long maximumSize() const; |
| void incrementalVacuumIfNeeded(); |
| void interrupt(); |
| bool isInterrupted(); |
| |
| void disableAuthorizer(); |
| void enableAuthorizer(); |
| void setAuthorizerReadOnly(); |
| void setAuthorizerPermissions(int permissions); |
| bool lastActionChangedDatabase(); |
| bool lastActionWasInsert(); |
| void resetDeletes(); |
| bool hadDeletes(); |
| void resetAuthorizer(); |
| |
| virtual void closeImmediately() = 0; |
| |
| DatabaseContext* databaseContext() const { return m_databaseContext.get(); } |
| void setFrontend(DatabaseBase* frontend) { m_frontend = frontend; } |
| |
| protected: |
| friend class ChangeVersionWrapper; |
| friend class SQLStatementBackend; |
| friend class SQLStatementSync; |
| friend class SQLTransactionBackend; |
| friend class SQLTransactionBackendSync; |
| |
| DatabaseBackendBase(PassRefPtr<DatabaseContext>, const String& name, const String& expectedVersion, |
| const String& displayName, unsigned long estimatedSize, DatabaseType); |
| |
| void closeDatabase(); |
| |
| virtual bool openAndVerifyVersion(bool setVersionInNewDatabase, DatabaseError&, String& errorMessage) = 0; |
| virtual bool performOpenAndVerify(bool shouldSetVersionInNewDatabase, DatabaseError&, String& errorMessage); |
| |
| bool getVersionFromDatabase(String& version, bool shouldCacheVersion = true); |
| bool setVersionInDatabase(const String& version, bool shouldCacheVersion = true); |
| void setExpectedVersion(const String&); |
| const String& expectedVersion() const { return m_expectedVersion; } |
| String getCachedVersion()const; |
| void setCachedVersion(const String&); |
| bool getActualVersionForTransaction(String& version); |
| |
| void reportOpenDatabaseResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode); |
| void reportChangeVersionResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode); |
| void reportStartTransactionResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode); |
| void reportCommitTransactionResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode); |
| void reportExecuteStatementResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode); |
| void reportVacuumDatabaseResult(int sqliteErrorCode); |
| |
| static const char* databaseInfoTableName(); |
| |
| RefPtr<SecurityOrigin> m_contextThreadSecurityOrigin; |
| RefPtr<DatabaseContext> m_databaseContext; // Associated with m_executionContext. |
| |
| String m_name; |
| String m_expectedVersion; |
| String m_displayName; |
| unsigned long m_estimatedSize; |
| String m_filename; |
| |
| DatabaseBase* m_frontend; |
| |
| #if !LOG_DISABLED || !ERROR_DISABLED |
| String databaseDebugName() const { return m_contextThreadSecurityOrigin->toString() + "::" + m_name; } |
| #endif |
| |
| private: |
| DatabaseGuid m_guid; |
| bool m_opened; |
| bool m_new; |
| const bool m_isSyncDatabase; |
| |
| SQLiteDatabase m_sqliteDatabase; |
| |
| RefPtr<DatabaseAuthorizer> m_databaseAuthorizer; |
| |
| friend class DatabaseServer; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // DatabaseBackendBase_h |