gecko-dev/dom/indexedDB/IDBObjectStore.h

379 lines
9.1 KiB
C++

/* -*- 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 nsPIDOMWindowInner;
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;
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;
static already_AddRefed<IDBObjectStore>
Create(IDBTransaction* aTransaction, const ObjectStoreSpec& aSpec);
static nsresult
AppendIndexUpdateInfo(int64_t aIndexID,
const KeyPath& aKeyPath,
bool aUnique,
bool aMultiEntry,
const nsCString& aLocale,
JSContext* aCx,
JS::Handle<JS::Value> aObject,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
static void
ClearCloneReadInfo(StructuredCloneReadInfo& aReadInfo);
static bool
DeserializeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue);
static bool
DeserializeIndexValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue);
#if !defined(MOZ_B2G)
static bool
DeserializeUpgradeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue);
#endif
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;
nsPIDOMWindowInner*
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();
return AddOrPut(aCx, aValue, aKey, false, /* aFromCursor */ false, aRv);
}
already_AddRefed<IDBRequest>
Put(JSContext* aCx,
JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
return AddOrPut(aCx, aValue, 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();
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,
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__