| /* |
| * Copyright (C) 2010 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 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 IDBDatabaseBackendInterface_h |
| #define IDBDatabaseBackendInterface_h |
| |
| #include "modules/indexeddb/IndexedDB.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebCore { |
| |
| class IDBCallbacks; |
| class IDBDatabaseCallbacks; |
| class IDBKey; |
| class IDBKeyPath; |
| class IDBKeyRange; |
| struct IDBDatabaseMetadata; |
| class SharedBuffer; |
| |
| typedef int ExceptionCode; |
| |
| // This is implemented by IDBDatabaseBackendImpl and optionally others (in order to proxy |
| // calls across process barriers). All calls to these classes should be non-blocking and |
| // trigger work on a background thread if necessary. |
| class IDBDatabaseBackendInterface : public RefCounted<IDBDatabaseBackendInterface> { |
| public: |
| virtual ~IDBDatabaseBackendInterface() { } |
| |
| virtual void createObjectStore(int64_t transactionId, int64_t objectStoreId, const String& name, const IDBKeyPath&, bool autoIncrement) = 0; |
| virtual void deleteObjectStore(int64_t transactionId, int64_t objectStoreId) = 0; |
| virtual void createTransaction(int64_t transactionId, PassRefPtr<IDBDatabaseCallbacks>, const Vector<int64_t>& objectStoreIds, unsigned short mode) = 0; |
| virtual void close(PassRefPtr<IDBDatabaseCallbacks>) = 0; |
| |
| // Transaction-specific operations. |
| virtual void commit(int64_t transactionId) = 0; |
| virtual void abort(int64_t transactionId) = 0; |
| |
| virtual void createIndex(int64_t transactionId, int64_t objectStoreId, int64_t indexId, const String& name, const IDBKeyPath&, bool unique, bool multiEntry) = 0; |
| virtual void deleteIndex(int64_t transactionId, int64_t objectStoreId, int64_t indexId) = 0; |
| |
| enum TaskType { |
| NormalTask = 0, |
| PreemptiveTask |
| }; |
| |
| enum PutMode { |
| AddOrUpdate, |
| AddOnly, |
| CursorUpdate |
| }; |
| |
| static const int64_t MinimumIndexId = 30; |
| |
| typedef Vector<RefPtr<IDBKey> > IndexKeys; |
| |
| virtual void get(int64_t transactionId, int64_t objectStoreId, int64_t indexId, PassRefPtr<IDBKeyRange>, bool keyOnly, PassRefPtr<IDBCallbacks>) = 0; |
| // Note that 'value' may be consumed/adopted by this call. |
| virtual void put(int64_t transactionId, int64_t objectStoreId, PassRefPtr<SharedBuffer> value, PassRefPtr<IDBKey>, PutMode, PassRefPtr<IDBCallbacks>, const Vector<int64_t>& indexIds, const Vector<IndexKeys>&) = 0; |
| virtual void setIndexKeys(int64_t transactionId, int64_t objectStoreId, PassRefPtr<IDBKey> prpPrimaryKey, const Vector<int64_t>& indexIds, const Vector<IndexKeys>&) = 0; |
| virtual void setIndexesReady(int64_t transactionId, int64_t objectStoreId, const Vector<int64_t>& indexIds) = 0; |
| virtual void openCursor(int64_t transactionId, int64_t objectStoreId, int64_t indexId, PassRefPtr<IDBKeyRange>, IndexedDB::CursorDirection, bool keyOnly, TaskType, PassRefPtr<IDBCallbacks>) = 0; |
| virtual void count(int64_t transactionId, int64_t objectStoreId, int64_t indexId, PassRefPtr<IDBKeyRange>, PassRefPtr<IDBCallbacks>) = 0; |
| virtual void deleteRange(int64_t transactionId, int64_t objectStoreId, PassRefPtr<IDBKeyRange>, PassRefPtr<IDBCallbacks>) = 0; |
| virtual void clear(int64_t transactionId, int64_t objectStoreId, PassRefPtr<IDBCallbacks>) = 0; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // IDBDatabaseBackendInterface_h |