mirror of
https://github.com/mozilla/gecko-dev.git
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297 lines
9.8 KiB
C++
297 lines
9.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_idbobjectstore_h__
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#define mozilla_dom_idbobjectstore_h__
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#include "IDBCursor.h"
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#include "js/RootingAPI.h"
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#include "mozilla/dom/IDBCursorBinding.h"
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#include "mozilla/dom/IDBIndexBinding.h"
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#include "mozilla/UniquePtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsISupports.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "nsWrapperCache.h"
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struct JSClass;
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class nsIGlobalObject;
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class DOMStringList;
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class IDBRequest;
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class IDBTransaction;
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class StringOrStringSequence;
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template <typename>
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class Sequence;
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namespace indexedDB {
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class Key;
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class KeyPath;
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class IndexUpdateInfo;
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class ObjectStoreSpec;
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struct StructuredCloneReadInfoChild;
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} // namespace indexedDB
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class IDBObjectStore final : public nsISupports, public nsWrapperCache {
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using IndexUpdateInfo = indexedDB::IndexUpdateInfo;
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using Key = indexedDB::Key;
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using KeyPath = indexedDB::KeyPath;
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using ObjectStoreSpec = indexedDB::ObjectStoreSpec;
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using StructuredCloneReadInfoChild = indexedDB::StructuredCloneReadInfoChild;
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// For AddOrPut() and DeleteInternal().
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// TODO Consider removing this, and making the functions public?
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template <IDBCursor::Type>
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friend class IDBTypedCursor;
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static const JSClass sDummyPropJSClass;
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// TODO: This could be made const if Bug 1575173 is resolved. It is
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// initialized in the constructor and never modified/cleared.
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SafeRefPtr<IDBTransaction> mTransaction;
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JS::Heap<JS::Value> mCachedKeyPath;
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// This normally points to the ObjectStoreSpec owned by the parent IDBDatabase
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// object. However, if this objectStore is part of a versionchange transaction
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// and it gets deleted then the spec is copied into mDeletedSpec and mSpec is
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// set to point at mDeletedSpec.
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ObjectStoreSpec* mSpec;
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UniquePtr<ObjectStoreSpec> mDeletedSpec;
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nsTArray<RefPtr<IDBIndex>> mIndexes;
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nsTArray<RefPtr<IDBIndex>> mDeletedIndexes;
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const int64_t mId;
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bool mRooted;
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public:
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struct StructuredCloneWriteInfo;
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struct StructuredCloneInfo;
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class MOZ_STACK_CLASS ValueWrapper final {
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JS::Rooted<JS::Value> mValue;
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bool mCloned;
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public:
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ValueWrapper(JSContext* aCx, JS::Handle<JS::Value> aValue)
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: mValue(aCx, aValue), mCloned(false) {
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MOZ_COUNT_CTOR(IDBObjectStore::ValueWrapper);
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}
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MOZ_COUNTED_DTOR_NESTED(ValueWrapper, IDBObjectStore::ValueWrapper)
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const JS::Rooted<JS::Value>& Value() const { return mValue; }
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bool Clone(JSContext* aCx);
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};
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[[nodiscard]] static RefPtr<IDBObjectStore> Create(
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SafeRefPtr<IDBTransaction> aTransaction, ObjectStoreSpec& aSpec);
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static void AppendIndexUpdateInfo(int64_t aIndexID, const KeyPath& aKeyPath,
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bool aMultiEntry, const nsCString& aLocale,
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JSContext* aCx, JS::Handle<JS::Value> aVal,
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nsTArray<IndexUpdateInfo>* aUpdateInfoArray,
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ErrorResult* aRv);
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static void ClearCloneReadInfo(
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indexedDB::StructuredCloneReadInfoChild& aReadInfo);
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static bool DeserializeValue(JSContext* aCx,
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StructuredCloneReadInfoChild&& aCloneReadInfo,
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JS::MutableHandle<JS::Value> aValue);
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static const JSClass* DummyPropClass() { return &sDummyPropJSClass; }
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void AssertIsOnOwningThread() const
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#ifdef DEBUG
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;
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#else
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{
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}
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#endif
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int64_t Id() const {
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AssertIsOnOwningThread();
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return mId;
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}
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const nsString& Name() const;
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bool AutoIncrement() const;
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const KeyPath& GetKeyPath() const;
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bool HasValidKeyPath() const;
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nsIGlobalObject* GetParentObject() const;
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void GetName(nsString& aName) const {
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AssertIsOnOwningThread();
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aName = Name();
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}
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void SetName(const nsAString& aName, ErrorResult& aRv);
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void GetKeyPath(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<DOMStringList> IndexNames();
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const IDBTransaction& TransactionRef() const {
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AssertIsOnOwningThread();
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return *mTransaction;
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}
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IDBTransaction& MutableTransactionRef() {
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AssertIsOnOwningThread();
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return *mTransaction;
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}
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SafeRefPtr<IDBTransaction> AcquireTransaction() const {
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AssertIsOnOwningThread();
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return mTransaction.clonePtr();
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}
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RefPtr<IDBTransaction> Transaction() const {
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AssertIsOnOwningThread();
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return AsRefPtr(mTransaction.clonePtr());
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}
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[[nodiscard]] RefPtr<IDBRequest> Add(JSContext* aCx,
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JS::Handle<JS::Value> aValue,
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JS::Handle<JS::Value> aKey,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> Put(JSContext* aCx,
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JS::Handle<JS::Value> aValue,
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JS::Handle<JS::Value> aKey,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> Delete(JSContext* aCx,
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JS::Handle<JS::Value> aKey,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> Get(JSContext* aCx,
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JS::Handle<JS::Value> aKey,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> GetKey(JSContext* aCx,
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JS::Handle<JS::Value> aKey,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> Clear(JSContext* aCx, ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBIndex> CreateIndex(
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const nsAString& aName, const StringOrStringSequence& aKeyPath,
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const IDBIndexParameters& aOptionalParameters, ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBIndex> Index(const nsAString& aName,
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ErrorResult& aRv);
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void DeleteIndex(const nsAString& aName, ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> Count(JSContext* aCx,
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JS::Handle<JS::Value> aKey,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> GetAll(JSContext* aCx,
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JS::Handle<JS::Value> aKey,
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const Optional<uint32_t>& aLimit,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> GetAllKeys(JSContext* aCx,
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JS::Handle<JS::Value> aKey,
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const Optional<uint32_t>& aLimit,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> OpenCursor(JSContext* aCx,
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JS::Handle<JS::Value> aRange,
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IDBCursorDirection aDirection,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> OpenCursor(JSContext* aCx,
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IDBCursorDirection aDirection,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> OpenKeyCursor(JSContext* aCx,
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JS::Handle<JS::Value> aRange,
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IDBCursorDirection aDirection,
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ErrorResult& aRv);
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void RefreshSpec(bool aMayDelete);
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const ObjectStoreSpec& Spec() const;
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void NoteDeletion();
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bool IsDeleted() const {
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AssertIsOnOwningThread();
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return !!mDeletedSpec;
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}
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBObjectStore)
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// nsWrapperCache
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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private:
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IDBObjectStore(SafeRefPtr<IDBTransaction> aTransaction,
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ObjectStoreSpec* aSpec);
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~IDBObjectStore();
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void GetAddInfo(JSContext* aCx, ValueWrapper& aValueWrapper,
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JS::Handle<JS::Value> aKeyVal,
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StructuredCloneWriteInfo& aCloneWriteInfo, Key& aKey,
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nsTArray<IndexUpdateInfo>& aUpdateInfoArray,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> AddOrPut(JSContext* aCx,
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ValueWrapper& aValueWrapper,
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JS::Handle<JS::Value> aKey,
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bool aOverwrite, bool aFromCursor,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> DeleteInternal(JSContext* aCx,
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JS::Handle<JS::Value> aKey,
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bool aFromCursor,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> GetInternal(bool aKeyOnly, JSContext* aCx,
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JS::Handle<JS::Value> aKey,
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ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> GetAllInternal(
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bool aKeysOnly, JSContext* aCx, JS::Handle<JS::Value> aKey,
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const Optional<uint32_t>& aLimit, ErrorResult& aRv);
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[[nodiscard]] RefPtr<IDBRequest> OpenCursorInternal(
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bool aKeysOnly, JSContext* aCx, JS::Handle<JS::Value> aRange,
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IDBCursorDirection aDirection, ErrorResult& aRv);
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_idbobjectstore_h__
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