| /* |
| * 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE 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 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 Database_h |
| #define Database_h |
| |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "modules/webdatabase/DatabaseBasicTypes.h" |
| #include "modules/webdatabase/DatabaseError.h" |
| #include "modules/webdatabase/sqlite/SQLiteDatabase.h" |
| #include "platform/weborigin/SecurityOrigin.h" |
| #include "wtf/Deque.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class ChangeVersionData; |
| class DatabaseAuthorizer; |
| class DatabaseContext; |
| class ExecutionContext; |
| class SQLTransaction; |
| class SQLTransactionBackend; |
| class SQLTransactionCallback; |
| class SQLTransactionClient; |
| class SQLTransactionCoordinator; |
| class SQLTransactionErrorCallback; |
| class VoidCallback; |
| |
| class Database final : public GarbageCollectedFinalized<Database>, public ScriptWrappable { |
| DEFINE_WRAPPERTYPEINFO(); |
| public: |
| virtual ~Database(); |
| void trace(Visitor*); |
| |
| bool openAndVerifyVersion(bool setVersionInNewDatabase, DatabaseError&, String& errorMessage); |
| void close(); |
| |
| SQLTransactionBackend* runTransaction(SQLTransaction*, bool readOnly, const ChangeVersionData*); |
| void scheduleTransactionStep(SQLTransactionBackend*); |
| void inProgressTransactionCompleted(); |
| |
| SQLTransactionClient* transactionClient() const; |
| SQLTransactionCoordinator* transactionCoordinator() const; |
| |
| // Direct support for the DOM API |
| String version() const; |
| void changeVersion( |
| const String& oldVersion, |
| const String& newVersion, |
| SQLTransactionCallback*, |
| SQLTransactionErrorCallback*, |
| VoidCallback* successCallback); |
| void transaction( |
| SQLTransactionCallback*, |
| SQLTransactionErrorCallback*, |
| VoidCallback* successCallback); |
| void readTransaction( |
| SQLTransactionCallback*, |
| SQLTransactionErrorCallback*, |
| VoidCallback* successCallback); |
| |
| bool opened() const { return m_opened; } |
| bool isNew() const { return m_new; } |
| |
| SecurityOrigin* securityOrigin() const; |
| String stringIdentifier() const; |
| String displayName() const; |
| unsigned long estimatedSize() const; |
| String fileName() const; |
| SQLiteDatabase& sqliteDatabase() { return m_sqliteDatabase; } |
| |
| unsigned long long maximumSize() const; |
| void incrementalVacuumIfNeeded(); |
| |
| void disableAuthorizer(); |
| void enableAuthorizer(); |
| void setAuthorizerPermissions(int); |
| bool lastActionChangedDatabase(); |
| bool lastActionWasInsert(); |
| void resetDeletes(); |
| bool hadDeletes(); |
| void resetAuthorizer(); |
| |
| Vector<String> tableNames(); |
| void scheduleTransactionCallback(SQLTransaction*); |
| void closeImmediately(); |
| void closeDatabase(); |
| |
| DatabaseContext* databaseContext() const { return m_databaseContext.get(); } |
| ExecutionContext* executionContext() const; |
| |
| private: |
| class DatabaseOpenTask; |
| class DatabaseCloseTask; |
| class DatabaseTransactionTask; |
| class DatabaseTableNamesTask; |
| |
| Database(DatabaseContext*, const String& name, const String& expectedVersion, const String& displayName, unsigned long estimatedSize); |
| bool performOpenAndVerify(bool setVersionInNewDatabase, DatabaseError&, String& errorMessage); |
| |
| void scheduleTransaction(); |
| |
| 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 runTransaction( |
| SQLTransactionCallback*, |
| SQLTransactionErrorCallback*, |
| VoidCallback* successCallback, |
| bool readOnly, |
| const ChangeVersionData* = 0); |
| Vector<String> performGetTableNames(); |
| |
| 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); |
| void logErrorMessage(const String&); |
| static const char* databaseInfoTableName(); |
| #if !LOG_DISABLED || !ERROR_DISABLED |
| String databaseDebugName() const { return m_contextThreadSecurityOrigin->toString() + "::" + m_name; } |
| #endif |
| |
| RefPtr<SecurityOrigin> m_contextThreadSecurityOrigin; |
| RefPtr<SecurityOrigin> m_databaseThreadSecurityOrigin; |
| Member<DatabaseContext> m_databaseContext; // Associated with m_executionContext. |
| |
| String m_name; |
| String m_expectedVersion; |
| String m_displayName; |
| unsigned long m_estimatedSize; |
| String m_filename; |
| |
| DatabaseGuid m_guid; |
| bool m_opened; |
| bool m_new; |
| |
| SQLiteDatabase m_sqliteDatabase; |
| |
| Member<DatabaseAuthorizer> m_databaseAuthorizer; |
| |
| HeapDeque<Member<SQLTransactionBackend> > m_transactionQueue; |
| Mutex m_transactionInProgressMutex; |
| bool m_transactionInProgress; |
| bool m_isTransactionQueueEnabled; |
| |
| friend class ChangeVersionWrapper; |
| friend class DatabaseManager; |
| friend class SQLStatementBackend; |
| friend class SQLTransaction; |
| friend class SQLTransactionBackend; |
| }; |
| |
| } // namespace blink |
| |
| #endif // Database_h |