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IDBObjectStore.h
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IDBObjectStore.h
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Indexed Database.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ben Turner <bent.mozilla@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_dom_indexeddb_idbobjectstore_h__
#define mozilla_dom_indexeddb_idbobjectstore_h__
#include "mozilla/dom/indexedDB/IndexedDatabase.h"
#include "nsIIDBObjectStore.h"
#include "nsIIDBTransaction.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/dom/indexedDB/IDBTransaction.h"
class nsIScriptContext;
class nsPIDOMWindow;
BEGIN_INDEXEDDB_NAMESPACE
class AsyncConnectionHelper;
class Key;
struct ObjectStoreInfo;
struct IndexInfo;
struct IndexUpdateInfo;
struct StructuredCloneReadInfo;
struct StructuredCloneWriteInfo;
class IDBObjectStore : public nsIIDBObjectStore
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSIIDBOBJECTSTORE
NS_DECL_CYCLE_COLLECTION_CLASS(IDBObjectStore)
static already_AddRefed<IDBObjectStore>
Create(IDBTransaction* aTransaction,
ObjectStoreInfo* aInfo,
nsIAtom* aDatabaseId);
static bool
IsValidKeyPath(JSContext* aCx, const nsAString& aKeyPath);
static nsresult
AppendIndexUpdateInfo(PRInt64 aIndexID,
const nsAString& aKeyPath,
const nsTArray<nsString>& aKeyPathArray,
bool aUnique,
bool aMultiEntry,
JSContext* aCx,
jsval aObject,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
static nsresult
UpdateIndexes(IDBTransaction* aTransaction,
PRInt64 aObjectStoreId,
const Key& aObjectStoreKey,
bool aOverwrite,
PRInt64 aObjectDataId,
const nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
static nsresult
GetStructuredCloneReadInfoFromStatement(mozIStorageStatement* aStatement,
PRUint32 aDataIndex,
PRUint32 aFileIdsIndex,
FileManager* aFileManager,
StructuredCloneReadInfo& aInfo);
static void
ClearStructuredCloneBuffer(JSAutoStructuredCloneBuffer& aBuffer);
static bool
DeserializeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
jsval* aValue);
static bool
SerializeValue(JSContext* aCx,
StructuredCloneWriteInfo& aCloneWriteInfo,
jsval aValue);
static JSObject*
StructuredCloneReadCallback(JSContext* aCx,
JSStructuredCloneReader* aReader,
uint32_t aTag,
uint32_t aData,
void* aClosure);
static JSBool
StructuredCloneWriteCallback(JSContext* aCx,
JSStructuredCloneWriter* aWriter,
JSObject* aObj,
void* aClosure);
static nsresult
ConvertFileIdsToArray(const nsAString& aFileIds,
nsTArray<PRInt64>& aResult);
const nsString& Name() const
{
return mName;
}
bool IsAutoIncrement() const
{
return mAutoIncrement;
}
bool IsWriteAllowed() const
{
return mTransaction->IsWriteAllowed();
}
PRInt64 Id() const
{
NS_ASSERTION(mId != LL_MININT, "Don't ask for this yet!");
return mId;
}
const nsString& KeyPath() const
{
return mKeyPath;
}
const bool HasKeyPath() const
{
return !mKeyPath.IsVoid() || !mKeyPathArray.IsEmpty();
}
bool UsesKeyPathArray() const
{
return !mKeyPathArray.IsEmpty();
}
const nsTArray<nsString>& KeyPathArray() const
{
return mKeyPathArray;
}
IDBTransaction* Transaction()
{
return mTransaction;
}
ObjectStoreInfo* Info()
{
return mInfo;
}
protected:
IDBObjectStore();
~IDBObjectStore();
nsresult GetAddInfo(JSContext* aCx,
jsval aValue,
jsval aKeyVal,
StructuredCloneWriteInfo& aCloneWriteInfo,
Key& aKey,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
nsresult AddOrPut(const jsval& aValue,
const jsval& aKey,
JSContext* aCx,
PRUint8 aOptionalArgCount,
nsIIDBRequest** _retval,
bool aOverwrite);
private:
nsRefPtr<IDBTransaction> mTransaction;
PRInt64 mId;
nsString mName;
nsString mKeyPath;
nsTArray<nsString> mKeyPathArray;
bool mAutoIncrement;
nsCOMPtr<nsIAtom> mDatabaseId;
nsRefPtr<ObjectStoreInfo> mInfo;
PRUint32 mStructuredCloneVersion;
nsTArray<nsRefPtr<IDBIndex> > mCreatedIndexes;
};
END_INDEXEDDB_NAMESPACE
#endif // mozilla_dom_indexeddb_idbobjectstore_h__