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/*
* 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/modules/indexeddb/WebIDBCursor.h"
#include "public/platform/modules/indexeddb/WebIDBTypes.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
namespace blink {
class ExceptionState;
class IDBAny;
class IDBTransaction;
class IDBValue;
class ScriptState;
class IDBCursor : public GarbageCollectedFinalized<IDBCursor>, public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
static WebIDBCursorDirection stringToDirection(const String& modeString);
static IDBCursor* create(PassOwnPtr<WebIDBCursor>, WebIDBCursorDirection, IDBRequest*, IDBAny* source, IDBTransaction*);
virtual ~IDBCursor();
DECLARE_TRACE();
void contextWillBeDestroyed() { m_backend.clear(); }
v8::Local<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) override WARN_UNUSED_RETURN;
// 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, 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<IDBValue>);
IDBKey* idbPrimaryKey() const { return m_primaryKey; }
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 = false;
bool m_keyDirty = true;
bool m_primaryKeyDirty = true;
bool m_valueDirty = true;
Member<IDBKey> m_key;
Member<IDBKey> m_primaryKey;
RefPtr<IDBValue> m_value;
};
} // namespace blink
#endif // IDBCursor_h
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