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gecko-dev/dom/indexedDB/IDBObjectStore.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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_idbobjectstore_h__
#define mozilla_dom_idbobjectstore_h__
#include "js/RootingAPI.h"
#include "mozilla/dom/IDBCursorBinding.h"
#include "mozilla/dom/IDBIndexBinding.h"
#include "nsAutoPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsWrapperCache.h"
struct JSClass;
class nsIGlobalObject;
namespace mozilla {
class ErrorResult;
namespace dom {
class DOMStringList;
class IDBCursor;
class IDBRequest;
class IDBTransaction;
class StringOrStringSequence;
template <typename>
class Sequence;
namespace indexedDB {
class Key;
class KeyPath;
class IndexUpdateInfo;
class ObjectStoreSpec;
struct StructuredCloneReadInfo;
} // namespace indexedDB
class IDBObjectStore final : public nsISupports, public nsWrapperCache {
typedef indexedDB::IndexUpdateInfo IndexUpdateInfo;
typedef indexedDB::Key Key;
typedef indexedDB::KeyPath KeyPath;
typedef indexedDB::ObjectStoreSpec ObjectStoreSpec;
typedef indexedDB::StructuredCloneReadInfo StructuredCloneReadInfo;
// For AddOrPut() and DeleteInternal().
friend class IDBCursor;
static const JSClass sDummyPropJSClass;
// TODO: This could be made const if Bug 1575173 is resolved. It is
// initialized in the constructor and never modified/cleared.
RefPtr<IDBTransaction> mTransaction;
JS::Heap<JS::Value> mCachedKeyPath;
// This normally points to the ObjectStoreSpec owned by the parent IDBDatabase
// object. However, if this objectStore is part of a versionchange transaction
// and it gets deleted then the spec is copied into mDeletedSpec and mSpec is
// set to point at mDeletedSpec.
const ObjectStoreSpec* mSpec;
nsAutoPtr<ObjectStoreSpec> mDeletedSpec;
nsTArray<RefPtr<IDBIndex>> mIndexes;
nsTArray<RefPtr<IDBIndex>> mDeletedIndexes;
const int64_t mId;
bool mRooted;
public:
struct StructuredCloneWriteInfo;
struct StructuredCloneInfo;
class MOZ_STACK_CLASS ValueWrapper final {
JS::Rooted<JS::Value> mValue;
bool mCloned;
public:
ValueWrapper(JSContext* aCx, JS::Handle<JS::Value> aValue)
: mValue(aCx, aValue), mCloned(false) {
MOZ_COUNT_CTOR(IDBObjectStore::ValueWrapper);
}
~ValueWrapper() { MOZ_COUNT_DTOR(IDBObjectStore::ValueWrapper); }
const JS::Rooted<JS::Value>& Value() const { return mValue; }
bool Clone(JSContext* aCx);
};
static already_AddRefed<IDBObjectStore> Create(IDBTransaction* aTransaction,
const ObjectStoreSpec& aSpec);
static void AppendIndexUpdateInfo(int64_t aIndexID, const KeyPath& aKeyPath,
bool aMultiEntry, const nsCString& aLocale,
JSContext* aCx, JS::Handle<JS::Value> aVal,
nsTArray<IndexUpdateInfo>* aUpdateInfoArray,
ErrorResult* aRv);
static void DeserializeIndexValueToUpdateInfos(
int64_t aIndexID, const KeyPath& aKeyPath, bool aMultiEntry,
const nsCString& aLocale, StructuredCloneReadInfo& aCloneReadInfo,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray, ErrorResult& aRv);
static void ClearCloneReadInfo(StructuredCloneReadInfo& aReadInfo);
static bool DeserializeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue);
static nsresult DeserializeUpgradeValueToFileIds(
StructuredCloneReadInfo& aCloneReadInfo, nsAString& aFileIds);
static const JSClass* DummyPropClass() { return &sDummyPropJSClass; }
void AssertIsOnOwningThread() const
#ifdef DEBUG
;
#else
{
}
#endif
int64_t Id() const {
AssertIsOnOwningThread();
return mId;
}
const nsString& Name() const;
bool AutoIncrement() const;
const KeyPath& GetKeyPath() const;
bool HasValidKeyPath() const;
nsIGlobalObject* GetParentObject() const;
void GetName(nsString& aName) const {
AssertIsOnOwningThread();
aName = Name();
}
void SetName(const nsAString& aName, ErrorResult& aRv);
void GetKeyPath(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv);
already_AddRefed<DOMStringList> IndexNames();
IDBTransaction* Transaction() const {
AssertIsOnOwningThread();
return mTransaction;
}
already_AddRefed<IDBRequest> Add(JSContext* aCx, JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
ValueWrapper valueWrapper(aCx, aValue);
return AddOrPut(aCx, valueWrapper, aKey, false, /* aFromCursor */ false,
aRv);
}
already_AddRefed<IDBRequest> Put(JSContext* aCx, JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
ValueWrapper valueWrapper(aCx, aValue);
return AddOrPut(aCx, valueWrapper, aKey, true, /* aFromCursor */ false,
aRv);
}
already_AddRefed<IDBRequest> Delete(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return DeleteInternal(aCx, aKey, /* aFromCursor */ false, aRv);
}
already_AddRefed<IDBRequest> Get(JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetInternal(/* aKeyOnly */ false, aCx, aKey, aRv);
}
already_AddRefed<IDBRequest> GetKey(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetInternal(/* aKeyOnly */ true, aCx, aKey, aRv);
}
already_AddRefed<IDBRequest> Clear(JSContext* aCx, ErrorResult& aRv);
already_AddRefed<IDBIndex> CreateIndex(
const nsAString& aName, const StringOrStringSequence& 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, JS::Handle<JS::Value> aKey,
ErrorResult& aRv);
already_AddRefed<IDBRequest> GetAll(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetAllInternal(/* aKeysOnly */ false, aCx, aKey, aLimit, aRv);
}
already_AddRefed<IDBRequest> GetAllKeys(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetAllInternal(/* aKeysOnly */ true, aCx, aKey, aLimit, aRv);
}
already_AddRefed<IDBRequest> OpenCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ false, aCx, aRange, aDirection,
aRv);
}
already_AddRefed<IDBRequest> OpenCursor(JSContext* aCx,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ false, aCx,
JS::UndefinedHandleValue, aDirection, aRv);
}
already_AddRefed<IDBRequest> OpenKeyCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ true, aCx, aRange, aDirection,
aRv);
}
void RefreshSpec(bool aMayDelete);
const ObjectStoreSpec& Spec() const;
void NoteDeletion();
bool IsDeleted() const {
AssertIsOnOwningThread();
return !!mDeletedSpec;
}
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBObjectStore)
// nsWrapperCache
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
private:
IDBObjectStore(IDBTransaction* aTransaction, const ObjectStoreSpec* aSpec);
~IDBObjectStore();
void GetAddInfo(JSContext* aCx, ValueWrapper& aValueWrapper,
JS::Handle<JS::Value> aKeyVal,
StructuredCloneWriteInfo& aCloneWriteInfo, Key& aKey,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray,
ErrorResult& aRv);
already_AddRefed<IDBRequest> AddOrPut(JSContext* aCx,
ValueWrapper& aValueWrapper,
JS::Handle<JS::Value> aKey,
bool aOverwrite, bool aFromCursor,
ErrorResult& aRv);
already_AddRefed<IDBRequest> DeleteInternal(JSContext* aCx,
JS::Handle<JS::Value> aKey,
bool aFromCursor,
ErrorResult& aRv);
already_AddRefed<IDBRequest> GetInternal(bool aKeyOnly, JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv);
already_AddRefed<IDBRequest> GetAllInternal(bool aKeysOnly, JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv);
already_AddRefed<IDBRequest> OpenCursorInternal(bool aKeysOnly,
JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_idbobjectstore_h__
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