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gecko/dom/indexedDB/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: */
/* 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 "js/TypeDecls.h"
#include "mozilla/dom/IDBCursorBinding.h"
#include "mozilla/dom/IDBIndexBinding.h"
#include "mozilla/dom/IDBObjectStoreBinding.h"
#include "nsCycleCollectionParticipant.h"
#include "MainThreadUtils.h"
#include "mozilla/dom/indexedDB/IDBRequest.h"
#include "mozilla/dom/indexedDB/IDBTransaction.h"
#include "mozilla/dom/indexedDB/KeyPath.h"
class nsIDOMBlob;
class nsIScriptContext;
class nsPIDOMWindow;
namespace mozilla {
namespace dom {
class ContentParent;
class PBlobChild;
class PBlobParent;
}
}
BEGIN_INDEXEDDB_NAMESPACE
class AsyncConnectionHelper;
class FileManager;
class IDBCursor;
class IDBKeyRange;
class IDBRequest;
class IndexedDBObjectStoreChild;
class IndexedDBObjectStoreParent;
class Key;
struct IndexInfo;
struct IndexUpdateInfo;
struct ObjectStoreInfo;
struct FileHandleData;
struct BlobOrFileData;
class IDBObjectStore MOZ_FINAL : public nsISupports,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBObjectStore)
static already_AddRefed<IDBObjectStore>
Create(IDBTransaction* aTransaction,
ObjectStoreInfo* aInfo,
const nsACString& aDatabaseId,
bool aCreating);
static nsresult
AppendIndexUpdateInfo(int64_t aIndexID,
const KeyPath& aKeyPath,
bool aUnique,
bool aMultiEntry,
JSContext* aCx,
JS::Handle<JS::Value> aObject,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
static nsresult
UpdateIndexes(IDBTransaction* aTransaction,
int64_t aObjectStoreId,
const Key& aObjectStoreKey,
bool aOverwrite,
int64_t aObjectDataId,
const nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
static nsresult
GetStructuredCloneReadInfoFromStatement(mozIStorageStatement* aStatement,
uint32_t aDataIndex,
uint32_t aFileIdsIndex,
IDBDatabase* aDatabase,
StructuredCloneReadInfo& aInfo);
static void
ClearCloneReadInfo(StructuredCloneReadInfo& aReadInfo);
static void
ClearCloneWriteInfo(StructuredCloneWriteInfo& aWriteInfo);
static bool
DeserializeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue);
static bool
SerializeValue(JSContext* aCx,
StructuredCloneWriteInfo& aCloneWriteInfo,
JS::Handle<JS::Value> aValue);
template <class DeserializationTraits>
static JSObject*
StructuredCloneReadCallback(JSContext* aCx,
JSStructuredCloneReader* aReader,
uint32_t aTag,
uint32_t aData,
void* aClosure);
static bool
StructuredCloneWriteCallback(JSContext* aCx,
JSStructuredCloneWriter* aWriter,
JS::Handle<JSObject*> aObj,
void* aClosure);
static nsresult
ConvertFileIdsToArray(const nsAString& aFileIds,
nsTArray<int64_t>& aResult);
// Called only in the main process.
static nsresult
ConvertBlobsToActors(ContentParent* aContentParent,
FileManager* aFileManager,
const nsTArray<StructuredCloneFile>& aFiles,
InfallibleTArray<PBlobParent*>& aActors);
// Called only in the child process.
static void
ConvertActorsToBlobs(const InfallibleTArray<PBlobChild*>& aActors,
nsTArray<StructuredCloneFile>& aFiles);
const nsString& Name() const
{
return mName;
}
bool IsAutoIncrement() const
{
return mAutoIncrement;
}
bool IsWriteAllowed() const
{
return mTransaction->IsWriteAllowed();
}
int64_t Id() const
{
NS_ASSERTION(mId != INT64_MIN, "Don't ask for this yet!");
return mId;
}
const KeyPath& GetKeyPath() const
{
return mKeyPath;
}
const bool HasValidKeyPath() const
{
return mKeyPath.IsValid();
}
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;
}
already_AddRefed<IDBIndex>
CreateIndexInternal(const IndexInfo& aInfo,
ErrorResult& aRv);
nsresult AddOrPutInternal(
const SerializedStructuredCloneWriteInfo& aCloneWriteInfo,
const Key& aKey,
const InfallibleTArray<IndexUpdateInfo>& aUpdateInfoArray,
const nsTArray<nsCOMPtr<nsIDOMBlob> >& aBlobs,
bool aOverwrite,
IDBRequest** _retval);
already_AddRefed<IDBRequest>
GetInternal(IDBKeyRange* aKeyRange,
ErrorResult& aRv);
already_AddRefed<IDBRequest>
GetAllInternal(IDBKeyRange* aKeyRange,
uint32_t aLimit,
ErrorResult& aRv);
already_AddRefed<IDBRequest>
GetAllKeysInternal(IDBKeyRange* aKeyRange,
uint32_t aLimit,
ErrorResult& aRv);
already_AddRefed<IDBRequest>
DeleteInternal(IDBKeyRange* aKeyRange,
ErrorResult& aRv);
already_AddRefed<IDBRequest>
CountInternal(IDBKeyRange* aKeyRange,
ErrorResult& aRv);
already_AddRefed<IDBRequest>
OpenCursorInternal(IDBKeyRange* aKeyRange,
size_t aDirection,
ErrorResult& aRv);
already_AddRefed<IDBRequest>
OpenKeyCursorInternal(IDBKeyRange* aKeyRange,
size_t aDirection,
ErrorResult& aRv);
nsresult
OpenCursorFromChildProcess(
IDBRequest* aRequest,
size_t aDirection,
const Key& aKey,
const SerializedStructuredCloneReadInfo& aCloneInfo,
nsTArray<StructuredCloneFile>& aBlobs,
IDBCursor** _retval);
nsresult
OpenCursorFromChildProcess(IDBRequest* aRequest,
size_t aDirection,
const Key& aKey,
IDBCursor** _retval);
void
SetInfo(ObjectStoreInfo* aInfo);
static const JSClass sDummyPropJSClass;
// nsWrapperCache
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
// WebIDL
IDBTransaction*
GetParentObject() const
{
return mTransaction;
}
void
GetName(nsString& aName) const
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
aName.Assign(mName);
}
JS::Value
GetKeyPath(JSContext* aCx, ErrorResult& aRv);
already_AddRefed<nsIDOMDOMStringList>
GetIndexNames(ErrorResult& aRv);
IDBTransaction*
Transaction() const
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return mTransaction;
}
bool
AutoIncrement() const
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return mAutoIncrement;
}
already_AddRefed<IDBRequest>
Put(JSContext* aCx, JS::Handle<JS::Value> aValue,
const Optional<JS::Handle<JS::Value> >& aKey, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return AddOrPut(aCx, aValue, aKey, true, aRv);
}
already_AddRefed<IDBRequest>
Add(JSContext* aCx, JS::Handle<JS::Value> aValue,
const Optional<JS::Handle<JS::Value> >& aKey, ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return AddOrPut(aCx, aValue, aKey, false, aRv);
}
already_AddRefed<IDBRequest>
Delete(JSContext* aCx, JS::Handle<JS::Value> aKey, ErrorResult& aRv);
already_AddRefed<IDBRequest>
Get(JSContext* aCx, JS::Handle<JS::Value> aKey, ErrorResult& aRv);
already_AddRefed<IDBRequest>
Clear(ErrorResult& aRv);
already_AddRefed<IDBRequest>
OpenCursor(JSContext* aCx, const Optional<JS::Handle<JS::Value> >& aRange,
IDBCursorDirection aDirection, ErrorResult& aRv);
already_AddRefed<IDBIndex>
CreateIndex(JSContext* aCx, const nsAString& aName, const nsAString& aKeyPath,
const IDBIndexParameters& aOptionalParameters, ErrorResult& aRv);
already_AddRefed<IDBIndex>
CreateIndex(JSContext* aCx, const nsAString& aName,
const Sequence<nsString>& aKeyPath,
const IDBIndexParameters& aOptionalParameters, ErrorResult& aRv);
already_AddRefed<IDBIndex>
Index(const nsAString& aName, ErrorResult &aRv);
void
DeleteIndex(const nsAString& aIndexName, ErrorResult& aRv);
already_AddRefed<IDBRequest>
Count(JSContext* aCx, const Optional<JS::Handle<JS::Value> >& aKey,
ErrorResult& aRv);
already_AddRefed<IDBRequest>
GetAll(JSContext* aCx, const Optional<JS::Handle<JS::Value> >& aKey,
const Optional<uint32_t>& aLimit, ErrorResult& aRv);
already_AddRefed<IDBRequest>
GetAllKeys(JSContext* aCx, const Optional<JS::Handle<JS::Value>>& aKey,
const Optional<uint32_t>& aLimit, ErrorResult& aRv);
already_AddRefed<IDBRequest>
OpenKeyCursor(JSContext* aCx, const Optional<JS::Handle<JS::Value>>& aRange,
IDBCursorDirection aDirection, ErrorResult& aRv);
protected:
IDBObjectStore();
~IDBObjectStore();
nsresult GetAddInfo(JSContext* aCx,
JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKeyVal,
StructuredCloneWriteInfo& aCloneWriteInfo,
Key& aKey,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
already_AddRefed<IDBRequest>
AddOrPut(JSContext* aCx, JS::Handle<JS::Value> aValue,
const Optional<JS::Handle<JS::Value> >& aKey, bool aOverwrite,
ErrorResult& aRv);
already_AddRefed<IDBIndex>
CreateIndex(JSContext* aCx, const nsAString& aName, KeyPath& aKeyPath,
const IDBIndexParameters& aOptionalParameters, ErrorResult& aRv);
static void
ClearStructuredCloneBuffer(JSAutoStructuredCloneBuffer& aBuffer);
static bool
ReadFileHandle(JSStructuredCloneReader* aReader,
FileHandleData* aRetval);
static bool
ReadBlobOrFile(JSStructuredCloneReader* aReader,
uint32_t aTag,
BlobOrFileData* aRetval);
private:
nsRefPtr<IDBTransaction> mTransaction;
int64_t mId;
nsString mName;
KeyPath mKeyPath;
JS::Heap<JS::Value> mCachedKeyPath;
bool mRooted;
bool mAutoIncrement;
nsCString mDatabaseId;
nsRefPtr<ObjectStoreInfo> mInfo;
nsTArray<nsRefPtr<IDBIndex> > mCreatedIndexes;
IndexedDBObjectStoreChild* mActorChild;
IndexedDBObjectStoreParent* mActorParent;
};
END_INDEXEDDB_NAMESPACE
#endif // mozilla_dom_indexeddb_idbobjectstore_h__
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