gecko/dom/indexedDB/IDBObjectStore.h
2012-06-03 18:33:52 +02:00

267 lines
7.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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 IDBCursor;
class IDBKeyRange;
class IndexedDBObjectStoreChild;
class IndexedDBObjectStoreParent;
class Key;
struct IndexInfo;
struct IndexUpdateInfo;
struct ObjectStoreInfo;
struct StructuredCloneReadInfo;
struct StructuredCloneWriteInfo;
class IDBObjectStore MOZ_FINAL : 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,
bool aCreating);
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,
IDBDatabase* aDatabase,
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;
}
void
SetActor(IndexedDBObjectStoreChild* aActorChild)
{
NS_ASSERTION(!aActorChild || !mActorChild, "Shouldn't have more than one!");
mActorChild = aActorChild;
}
void
SetActor(IndexedDBObjectStoreParent* aActorParent)
{
NS_ASSERTION(!aActorParent || !mActorParent,
"Shouldn't have more than one!");
mActorParent = aActorParent;
}
IndexedDBObjectStoreChild*
GetActorChild() const
{
return mActorChild;
}
IndexedDBObjectStoreParent*
GetActorParent() const
{
return mActorParent;
}
nsresult
CreateIndexInternal(const IndexInfo& aInfo,
nsTArray<nsString>& aKeyPathArray,
IDBIndex** _retval);
nsresult
IndexInternal(const nsAString& aName,
IDBIndex** _retval);
nsresult AddOrPutInternal(
const SerializedStructuredCloneWriteInfo& aCloneWriteInfo,
const Key& aKey,
const InfallibleTArray<IndexUpdateInfo>& aUpdateInfoArray,
bool aOverwrite,
IDBRequest** _retval);
nsresult GetInternal(IDBKeyRange* aKeyRange,
IDBRequest** _retval);
nsresult GetAllInternal(IDBKeyRange* aKeyRange,
PRUint32 aLimit,
IDBRequest** _retval);
nsresult DeleteInternal(IDBKeyRange* aKeyRange,
IDBRequest** _retval);
nsresult ClearInternal(IDBRequest** _retval);
nsresult CountInternal(IDBKeyRange* aKeyRange,
IDBRequest** _retval);
nsresult OpenCursorInternal(IDBKeyRange* aKeyRange,
size_t aDirection,
IDBRequest** _retval);
nsresult OpenCursorFromChildProcess(
IDBRequest* aRequest,
size_t aDirection,
const Key& aKey,
const SerializedStructuredCloneReadInfo& aCloneInfo,
IDBCursor** _retval);
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,
bool aOverwrite,
IDBRequest** _retval);
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;
IndexedDBObjectStoreChild* mActorChild;
IndexedDBObjectStoreParent* mActorParent;
};
END_INDEXEDDB_NAMESPACE
#endif // mozilla_dom_indexeddb_idbobjectstore_h__