| /* |
| * 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 IDBCursor_h |
| #define IDBCursor_h |
| |
| #include "bindings/core/v8/ScriptValue.h" |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "modules/indexeddb/IDBKey.h" |
| #include "modules/indexeddb/IDBRequest.h" |
| #include "modules/indexeddb/IndexedDB.h" |
| #include "public/platform/WebIDBCursor.h" |
| #include "public/platform/WebIDBTypes.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class IDBAny; |
| class IDBTransaction; |
| class ScriptState; |
| class SharedBuffer; |
| |
| class IDBCursor : public GarbageCollectedFinalized<IDBCursor>, public ScriptWrappable { |
| DEFINE_WRAPPERTYPEINFO(); |
| public: |
| static WebIDBCursorDirection stringToDirection(const String& modeString, ExceptionState&); |
| |
| static IDBCursor* create(PassOwnPtr<WebIDBCursor>, WebIDBCursorDirection, IDBRequest*, IDBAny* source, IDBTransaction*); |
| virtual ~IDBCursor(); |
| void trace(Visitor*); |
| void contextWillBeDestroyed() { m_backend.clear(); } |
| |
| // Implement the IDL |
| const String& direction() const; |
| ScriptValue key(ScriptState*); |
| ScriptValue primaryKey(ScriptState*); |
| ScriptValue value(ScriptState*); |
| ScriptValue source(ScriptState*) const; |
| |
| IDBRequest* update(ScriptState*, const ScriptValue&, ExceptionState&); |
| void advance(unsigned long, ExceptionState&); |
| void continueFunction(ScriptState*, const ScriptValue& key, ExceptionState&); |
| void continuePrimaryKey(ScriptState*, const ScriptValue& key, const ScriptValue& primaryKey, ExceptionState&); |
| IDBRequest* deleteFunction(ScriptState*, ExceptionState&); |
| |
| bool isKeyDirty() const { return m_keyDirty; } |
| bool isPrimaryKeyDirty() const { return m_primaryKeyDirty; } |
| bool isValueDirty() const { return m_valueDirty; } |
| |
| void continueFunction(IDBKey*, IDBKey* primaryKey, ExceptionState&); |
| void postSuccessHandlerCallback(); |
| bool isDeleted() const; |
| void close(); |
| void setValueReady(IDBKey*, IDBKey* primaryKey, PassRefPtr<SharedBuffer> value, PassOwnPtr<IDBRequest::IDBBlobHolder>); |
| IDBKey* idbPrimaryKey() const { return m_primaryKey; } |
| IDBRequest* request() const { return m_request.get(); } |
| virtual bool isKeyCursor() const { return true; } |
| virtual bool isCursorWithValue() const { return false; } |
| |
| protected: |
| IDBCursor(PassOwnPtr<WebIDBCursor>, WebIDBCursorDirection, IDBRequest*, IDBAny* source, IDBTransaction*); |
| |
| private: |
| IDBObjectStore* effectiveObjectStore() const; |
| |
| OwnPtr<WebIDBCursor> m_backend; |
| Member<IDBRequest> m_request; |
| const WebIDBCursorDirection m_direction; |
| Member<IDBAny> m_source; |
| Member<IDBTransaction> m_transaction; |
| bool m_gotValue; |
| bool m_keyDirty; |
| bool m_primaryKeyDirty; |
| bool m_valueDirty; |
| Member<IDBKey> m_key; |
| Member<IDBKey> m_primaryKey; |
| RefPtr<SharedBuffer> m_value; |
| OwnPtr<IDBRequest::IDBBlobHolder> m_blobs; |
| }; |
| |
| } // namespace blink |
| |
| #endif // IDBCursor_h |