gecko-dev/dom/indexedDB/ActorsChild.h
2019-03-15 17:10:29 +00:00

840 lines
23 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_indexeddb_actorschild_h__
#define mozilla_dom_indexeddb_actorschild_h__
#include "IDBTransaction.h"
#include "js/RootingAPI.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBCursorChild.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBDatabaseChild.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBDatabaseRequestChild.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBFactoryChild.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBFactoryRequestChild.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBRequestChild.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBSharedTypes.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBTransactionChild.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBVersionChangeTransactionChild.h"
#include "mozilla/dom/indexedDB/PBackgroundIndexedDBUtilsChild.h"
#include "mozilla/dom/PBackgroundFileHandleChild.h"
#include "mozilla/dom/PBackgroundFileRequestChild.h"
#include "mozilla/dom/PBackgroundMutableFileChild.h"
#include "nsAutoPtr.h"
#include "nsCOMPtr.h"
#include "nsTArray.h"
class nsIEventTarget;
struct nsID;
namespace JS {
struct WasmModule;
} // namespace JS
namespace mozilla {
namespace ipc {
class BackgroundChildImpl;
} // namespace ipc
namespace dom {
class IDBCursor;
class IDBDatabase;
class IDBFactory;
class IDBFileHandle;
class IDBFileRequest;
class IDBMutableFile;
class IDBOpenDBRequest;
class IDBRequest;
class IndexedDatabaseManager;
namespace indexedDB {
class Key;
class PermissionRequestChild;
class PermissionRequestParent;
class SerializedStructuredCloneReadInfo;
class ThreadLocal {
friend class nsAutoPtr<ThreadLocal>;
friend IDBFactory;
LoggingInfo mLoggingInfo;
IDBTransaction* mCurrentTransaction;
nsCString mLoggingIdString;
NS_DECL_OWNINGTHREAD
public:
void AssertIsOnOwningThread() const { NS_ASSERT_OWNINGTHREAD(ThreadLocal); }
const LoggingInfo& GetLoggingInfo() const {
AssertIsOnOwningThread();
return mLoggingInfo;
}
const nsID& Id() const {
AssertIsOnOwningThread();
return mLoggingInfo.backgroundChildLoggingId();
}
const nsCString& IdString() const {
AssertIsOnOwningThread();
return mLoggingIdString;
}
int64_t NextTransactionSN(IDBTransaction::Mode aMode) {
AssertIsOnOwningThread();
MOZ_ASSERT(mLoggingInfo.nextTransactionSerialNumber() < INT64_MAX);
MOZ_ASSERT(mLoggingInfo.nextVersionChangeTransactionSerialNumber() >
INT64_MIN);
if (aMode == IDBTransaction::VERSION_CHANGE) {
return mLoggingInfo.nextVersionChangeTransactionSerialNumber()--;
}
return mLoggingInfo.nextTransactionSerialNumber()++;
}
uint64_t NextRequestSN() {
AssertIsOnOwningThread();
MOZ_ASSERT(mLoggingInfo.nextRequestSerialNumber() < UINT64_MAX);
return mLoggingInfo.nextRequestSerialNumber()++;
}
void SetCurrentTransaction(IDBTransaction* aCurrentTransaction) {
AssertIsOnOwningThread();
mCurrentTransaction = aCurrentTransaction;
}
IDBTransaction* GetCurrentTransaction() const {
AssertIsOnOwningThread();
return mCurrentTransaction;
}
private:
explicit ThreadLocal(const nsID& aBackgroundChildLoggingId);
~ThreadLocal();
ThreadLocal() = delete;
ThreadLocal(const ThreadLocal& aOther) = delete;
};
class BackgroundFactoryChild final : public PBackgroundIDBFactoryChild {
friend class mozilla::ipc::BackgroundChildImpl;
friend IDBFactory;
IDBFactory* mFactory;
NS_DECL_OWNINGTHREAD
public:
void AssertIsOnOwningThread() const {
NS_ASSERT_OWNINGTHREAD(BackgroundFactoryChild);
}
IDBFactory* GetDOMObject() const {
AssertIsOnOwningThread();
return mFactory;
}
private:
// Only created by IDBFactory.
explicit BackgroundFactoryChild(IDBFactory* aFactory);
// Only destroyed by mozilla::ipc::BackgroundChildImpl.
~BackgroundFactoryChild();
void SendDeleteMeInternal();
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual PBackgroundIDBFactoryRequestChild*
AllocPBackgroundIDBFactoryRequestChild(
const FactoryRequestParams& aParams) override;
virtual bool DeallocPBackgroundIDBFactoryRequestChild(
PBackgroundIDBFactoryRequestChild* aActor) override;
virtual PBackgroundIDBDatabaseChild* AllocPBackgroundIDBDatabaseChild(
const DatabaseSpec& aSpec,
PBackgroundIDBFactoryRequestChild* aRequest) override;
virtual bool DeallocPBackgroundIDBDatabaseChild(
PBackgroundIDBDatabaseChild* aActor) override;
mozilla::ipc::IPCResult RecvPBackgroundIDBDatabaseConstructor(
PBackgroundIDBDatabaseChild* aActor, const DatabaseSpec& aSpec,
PBackgroundIDBFactoryRequestChild* aRequest) override;
bool SendDeleteMe() = delete;
};
class BackgroundDatabaseChild;
class BackgroundRequestChildBase {
protected:
RefPtr<IDBRequest> mRequest;
public:
void AssertIsOnOwningThread() const
#ifdef DEBUG
;
#else
{
}
#endif
protected:
explicit BackgroundRequestChildBase(IDBRequest* aRequest);
virtual ~BackgroundRequestChildBase();
};
class BackgroundFactoryRequestChild final
: public BackgroundRequestChildBase,
public PBackgroundIDBFactoryRequestChild {
typedef mozilla::dom::quota::PersistenceType PersistenceType;
friend IDBFactory;
friend class BackgroundFactoryChild;
friend class BackgroundDatabaseChild;
friend class PermissionRequestChild;
friend class PermissionRequestParent;
RefPtr<IDBFactory> mFactory;
// Normally when opening of a database is successful, we receive a database
// actor in request response, so we can use it to call ReleaseDOMObject()
// which clears temporary strong reference to IDBDatabase.
// However, when there's an error, we don't receive a database actor and
// IDBRequest::mTransaction is already cleared (must be). So the only way how
// to call ReleaseDOMObject() is to have a back-reference to database actor.
// This creates a weak ref cycle between
// BackgroundFactoryRequestChild (using mDatabaseActor member) and
// BackgroundDatabaseChild actor (using mOpenRequestActor member).
// mDatabaseActor is set in EnsureDOMObject() and cleared in
// ReleaseDOMObject().
BackgroundDatabaseChild* mDatabaseActor;
const uint64_t mRequestedVersion;
const bool mIsDeleteOp;
public:
IDBOpenDBRequest* GetOpenDBRequest() const;
private:
// Only created by IDBFactory.
BackgroundFactoryRequestChild(IDBFactory* aFactory,
IDBOpenDBRequest* aOpenRequest,
bool aIsDeleteOp, uint64_t aRequestedVersion);
// Only destroyed by BackgroundFactoryChild.
~BackgroundFactoryRequestChild();
void SetDatabaseActor(BackgroundDatabaseChild* aActor);
bool HandleResponse(nsresult aResponse);
bool HandleResponse(const OpenDatabaseRequestResponse& aResponse);
bool HandleResponse(const DeleteDatabaseRequestResponse& aResponse);
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual mozilla::ipc::IPCResult Recv__delete__(
const FactoryRequestResponse& aResponse) override;
virtual mozilla::ipc::IPCResult RecvPermissionChallenge(
const PrincipalInfo& aPrincipalInfo) override;
virtual mozilla::ipc::IPCResult RecvBlocked(
const uint64_t& aCurrentVersion) override;
};
class BackgroundDatabaseChild final : public PBackgroundIDBDatabaseChild {
friend class BackgroundFactoryChild;
friend class BackgroundFactoryRequestChild;
friend IDBDatabase;
nsAutoPtr<DatabaseSpec> mSpec;
RefPtr<IDBDatabase> mTemporaryStrongDatabase;
BackgroundFactoryRequestChild* mOpenRequestActor;
IDBDatabase* mDatabase;
public:
void AssertIsOnOwningThread() const
#ifdef DEBUG
;
#else
{
}
#endif
const DatabaseSpec* Spec() const {
AssertIsOnOwningThread();
return mSpec;
}
IDBDatabase* GetDOMObject() const {
AssertIsOnOwningThread();
return mDatabase;
}
private:
// Only constructed by BackgroundFactoryChild.
BackgroundDatabaseChild(const DatabaseSpec& aSpec,
BackgroundFactoryRequestChild* aOpenRequest);
// Only destroyed by BackgroundFactoryChild.
~BackgroundDatabaseChild();
void SendDeleteMeInternal();
void EnsureDOMObject();
void ReleaseDOMObject();
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual PBackgroundIDBDatabaseFileChild* AllocPBackgroundIDBDatabaseFileChild(
const IPCBlob& aIPCBlob) override;
virtual bool DeallocPBackgroundIDBDatabaseFileChild(
PBackgroundIDBDatabaseFileChild* aActor) override;
virtual PBackgroundIDBDatabaseRequestChild*
AllocPBackgroundIDBDatabaseRequestChild(
const DatabaseRequestParams& aParams) override;
virtual bool DeallocPBackgroundIDBDatabaseRequestChild(
PBackgroundIDBDatabaseRequestChild* aActor) override;
virtual PBackgroundIDBTransactionChild* AllocPBackgroundIDBTransactionChild(
const nsTArray<nsString>& aObjectStoreNames, const Mode& aMode) override;
virtual bool DeallocPBackgroundIDBTransactionChild(
PBackgroundIDBTransactionChild* aActor) override;
virtual PBackgroundIDBVersionChangeTransactionChild*
AllocPBackgroundIDBVersionChangeTransactionChild(
const uint64_t& aCurrentVersion, const uint64_t& aRequestedVersion,
const int64_t& aNextObjectStoreId, const int64_t& aNextIndexId) override;
virtual mozilla::ipc::IPCResult
RecvPBackgroundIDBVersionChangeTransactionConstructor(
PBackgroundIDBVersionChangeTransactionChild* aActor,
const uint64_t& aCurrentVersion, const uint64_t& aRequestedVersion,
const int64_t& aNextObjectStoreId, const int64_t& aNextIndexId) override;
virtual bool DeallocPBackgroundIDBVersionChangeTransactionChild(
PBackgroundIDBVersionChangeTransactionChild* aActor) override;
virtual PBackgroundMutableFileChild* AllocPBackgroundMutableFileChild(
const nsString& aName, const nsString& aType) override;
virtual bool DeallocPBackgroundMutableFileChild(
PBackgroundMutableFileChild* aActor) override;
virtual mozilla::ipc::IPCResult RecvVersionChange(
const uint64_t& aOldVersion, const Maybe<uint64_t>& aNewVersion) override;
virtual mozilla::ipc::IPCResult RecvInvalidate() override;
virtual mozilla::ipc::IPCResult RecvCloseAfterInvalidationComplete() override;
bool SendDeleteMe() = delete;
};
class BackgroundDatabaseRequestChild final
: public BackgroundRequestChildBase,
public PBackgroundIDBDatabaseRequestChild {
friend class BackgroundDatabaseChild;
friend IDBDatabase;
RefPtr<IDBDatabase> mDatabase;
private:
// Only created by IDBDatabase.
BackgroundDatabaseRequestChild(IDBDatabase* aDatabase, IDBRequest* aRequest);
// Only destroyed by BackgroundDatabaseChild.
~BackgroundDatabaseRequestChild();
bool HandleResponse(nsresult aResponse);
bool HandleResponse(const CreateFileRequestResponse& aResponse);
// IPDL methods are only called by IPDL.
virtual mozilla::ipc::IPCResult Recv__delete__(
const DatabaseRequestResponse& aResponse) override;
};
class BackgroundVersionChangeTransactionChild;
class BackgroundTransactionBase {
friend class BackgroundVersionChangeTransactionChild;
// mTemporaryStrongTransaction is strong and is only valid until the end of
// NoteComplete() member function or until the NoteActorDestroyed() member
// function is called.
RefPtr<IDBTransaction> mTemporaryStrongTransaction;
protected:
// mTransaction is weak and is valid until the NoteActorDestroyed() member
// function is called.
IDBTransaction* mTransaction;
public:
#ifdef DEBUG
virtual void AssertIsOnOwningThread() const = 0;
#else
void AssertIsOnOwningThread() const {}
#endif
IDBTransaction* GetDOMObject() const {
AssertIsOnOwningThread();
return mTransaction;
}
protected:
BackgroundTransactionBase();
explicit BackgroundTransactionBase(IDBTransaction* aTransaction);
virtual ~BackgroundTransactionBase();
void NoteActorDestroyed();
void NoteComplete();
private:
// Only called by BackgroundVersionChangeTransactionChild.
void SetDOMTransaction(IDBTransaction* aDOMObject);
};
class BackgroundTransactionChild final : public BackgroundTransactionBase,
public PBackgroundIDBTransactionChild {
friend class BackgroundDatabaseChild;
friend IDBDatabase;
public:
#ifdef DEBUG
virtual void AssertIsOnOwningThread() const override;
#endif
void SendDeleteMeInternal();
private:
// Only created by IDBDatabase.
explicit BackgroundTransactionChild(IDBTransaction* aTransaction);
// Only destroyed by BackgroundDatabaseChild.
~BackgroundTransactionChild();
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
mozilla::ipc::IPCResult RecvComplete(const nsresult& aResult) override;
virtual PBackgroundIDBRequestChild* AllocPBackgroundIDBRequestChild(
const RequestParams& aParams) override;
virtual bool DeallocPBackgroundIDBRequestChild(
PBackgroundIDBRequestChild* aActor) override;
virtual PBackgroundIDBCursorChild* AllocPBackgroundIDBCursorChild(
const OpenCursorParams& aParams) override;
virtual bool DeallocPBackgroundIDBCursorChild(
PBackgroundIDBCursorChild* aActor) override;
bool SendDeleteMe() = delete;
};
class BackgroundVersionChangeTransactionChild final
: public BackgroundTransactionBase,
public PBackgroundIDBVersionChangeTransactionChild {
friend class BackgroundDatabaseChild;
IDBOpenDBRequest* mOpenDBRequest;
public:
#ifdef DEBUG
virtual void AssertIsOnOwningThread() const override;
#endif
void SendDeleteMeInternal(bool aFailedConstructor);
private:
// Only created by BackgroundDatabaseChild.
explicit BackgroundVersionChangeTransactionChild(
IDBOpenDBRequest* aOpenDBRequest);
// Only destroyed by BackgroundDatabaseChild.
~BackgroundVersionChangeTransactionChild();
// Only called by BackgroundDatabaseChild.
void SetDOMTransaction(IDBTransaction* aDOMObject) {
BackgroundTransactionBase::SetDOMTransaction(aDOMObject);
}
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
mozilla::ipc::IPCResult RecvComplete(const nsresult& aResult) override;
virtual PBackgroundIDBRequestChild* AllocPBackgroundIDBRequestChild(
const RequestParams& aParams) override;
virtual bool DeallocPBackgroundIDBRequestChild(
PBackgroundIDBRequestChild* aActor) override;
virtual PBackgroundIDBCursorChild* AllocPBackgroundIDBCursorChild(
const OpenCursorParams& aParams) override;
virtual bool DeallocPBackgroundIDBCursorChild(
PBackgroundIDBCursorChild* aActor) override;
bool SendDeleteMe() = delete;
};
class BackgroundMutableFileChild final : public PBackgroundMutableFileChild {
friend class BackgroundDatabaseChild;
friend IDBMutableFile;
RefPtr<IDBMutableFile> mTemporaryStrongMutableFile;
IDBMutableFile* mMutableFile;
nsString mName;
nsString mType;
public:
void AssertIsOnOwningThread() const
#ifdef DEBUG
;
#else
{
}
#endif
void EnsureDOMObject();
IDBMutableFile* GetDOMObject() const {
AssertIsOnOwningThread();
return mMutableFile;
}
void ReleaseDOMObject();
private:
// Only constructed by BackgroundDatabaseChild.
BackgroundMutableFileChild(const nsAString& aName, const nsAString& aType);
// Only destroyed by BackgroundDatabaseChild.
~BackgroundMutableFileChild();
void SendDeleteMeInternal();
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual PBackgroundFileHandleChild* AllocPBackgroundFileHandleChild(
const FileMode& aMode) override;
virtual bool DeallocPBackgroundFileHandleChild(
PBackgroundFileHandleChild* aActor) override;
bool SendDeleteMe() = delete;
};
class BackgroundRequestChild final : public BackgroundRequestChildBase,
public PBackgroundIDBRequestChild {
friend class BackgroundTransactionChild;
friend class BackgroundVersionChangeTransactionChild;
friend IDBTransaction;
class PreprocessHelper;
RefPtr<IDBTransaction> mTransaction;
nsTArray<RefPtr<PreprocessHelper>> mPreprocessHelpers;
nsTArray<nsTArray<RefPtr<JS::WasmModule>>> mModuleSets;
uint32_t mRunningPreprocessHelpers;
uint32_t mCurrentModuleSetIndex;
nsresult mPreprocessResultCode;
bool mGetAll;
private:
// Only created by IDBTransaction.
explicit BackgroundRequestChild(IDBRequest* aRequest);
// Only destroyed by BackgroundTransactionChild or
// BackgroundVersionChangeTransactionChild.
~BackgroundRequestChild();
void MaybeSendContinue();
void OnPreprocessFinished(uint32_t aModuleSetIndex,
nsTArray<RefPtr<JS::WasmModule>>& aModuleSet);
void OnPreprocessFailed(uint32_t aModuleSetIndex, nsresult aErrorCode);
const nsTArray<RefPtr<JS::WasmModule>>* GetNextModuleSet(
const StructuredCloneReadInfo& aInfo);
void HandleResponse(nsresult aResponse);
void HandleResponse(const Key& aResponse);
void HandleResponse(const nsTArray<Key>& aResponse);
void HandleResponse(const SerializedStructuredCloneReadInfo& aResponse);
void HandleResponse(
const nsTArray<SerializedStructuredCloneReadInfo>& aResponse);
void HandleResponse(JS::Handle<JS::Value> aResponse);
void HandleResponse(uint64_t aResponse);
nsresult HandlePreprocess(const WasmModulePreprocessInfo& aPreprocessInfo);
nsresult HandlePreprocess(
const nsTArray<WasmModulePreprocessInfo>& aPreprocessInfos);
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual mozilla::ipc::IPCResult Recv__delete__(
const RequestResponse& aResponse) override;
virtual mozilla::ipc::IPCResult RecvPreprocess(
const PreprocessParams& aParams) override;
};
class BackgroundCursorChild final : public PBackgroundIDBCursorChild {
friend class BackgroundTransactionChild;
friend class BackgroundVersionChangeTransactionChild;
class DelayedActionRunnable;
IDBRequest* mRequest;
IDBTransaction* mTransaction;
IDBObjectStore* mObjectStore;
IDBIndex* mIndex;
IDBCursor* mCursor;
// These are only set while a request is in progress.
RefPtr<IDBRequest> mStrongRequest;
RefPtr<IDBCursor> mStrongCursor;
Direction mDirection;
NS_DECL_OWNINGTHREAD
public:
BackgroundCursorChild(IDBRequest* aRequest, IDBObjectStore* aObjectStore,
Direction aDirection);
BackgroundCursorChild(IDBRequest* aRequest, IDBIndex* aIndex,
Direction aDirection);
void AssertIsOnOwningThread() const {
NS_ASSERT_OWNINGTHREAD(BackgroundCursorChild);
}
void SendContinueInternal(const CursorRequestParams& aParams);
void SendDeleteMeInternal();
IDBRequest* GetRequest() const {
AssertIsOnOwningThread();
return mRequest;
}
IDBObjectStore* GetObjectStore() const {
AssertIsOnOwningThread();
return mObjectStore;
}
IDBIndex* GetIndex() const {
AssertIsOnOwningThread();
return mIndex;
}
Direction GetDirection() const {
AssertIsOnOwningThread();
return mDirection;
}
private:
// Only destroyed by BackgroundTransactionChild or
// BackgroundVersionChangeTransactionChild.
~BackgroundCursorChild();
void HandleResponse(nsresult aResponse);
void HandleResponse(const void_t& aResponse);
void HandleResponse(const nsTArray<ObjectStoreCursorResponse>& aResponse);
void HandleResponse(const ObjectStoreKeyCursorResponse& aResponse);
void HandleResponse(const IndexCursorResponse& aResponse);
void HandleResponse(const IndexKeyCursorResponse& aResponse);
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual mozilla::ipc::IPCResult RecvResponse(
const CursorResponse& aResponse) override;
// Force callers to use SendContinueInternal.
bool SendContinue(const CursorRequestParams& aParams) = delete;
bool SendDeleteMe() = delete;
};
class BackgroundFileHandleChild : public PBackgroundFileHandleChild {
friend class BackgroundMutableFileChild;
friend IDBMutableFile;
// mTemporaryStrongFileHandle is strong and is only valid until the end of
// NoteComplete() member function or until the NoteActorDestroyed() member
// function is called.
RefPtr<IDBFileHandle> mTemporaryStrongFileHandle;
// mFileHandle is weak and is valid until the NoteActorDestroyed() member
// function is called.
IDBFileHandle* mFileHandle;
public:
void AssertIsOnOwningThread() const
#ifdef DEBUG
;
#else
{
}
#endif
void SendDeleteMeInternal();
private:
// Only created by IDBMutableFile.
explicit BackgroundFileHandleChild(IDBFileHandle* aFileHandle);
~BackgroundFileHandleChild();
void NoteActorDestroyed();
void NoteComplete();
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
mozilla::ipc::IPCResult RecvComplete(const bool& aAborted) override;
virtual PBackgroundFileRequestChild* AllocPBackgroundFileRequestChild(
const FileRequestParams& aParams) override;
virtual bool DeallocPBackgroundFileRequestChild(
PBackgroundFileRequestChild* aActor) override;
bool SendDeleteMe() = delete;
};
class BackgroundFileRequestChild final : public PBackgroundFileRequestChild {
friend class BackgroundFileHandleChild;
friend IDBFileHandle;
RefPtr<IDBFileRequest> mFileRequest;
RefPtr<IDBFileHandle> mFileHandle;
bool mActorDestroyed;
public:
void AssertIsOnOwningThread() const
#ifdef DEBUG
;
#else
{
}
#endif
private:
// Only created by IDBFileHandle.
explicit BackgroundFileRequestChild(IDBFileRequest* aFileRequest);
// Only destroyed by BackgroundFileHandleChild.
~BackgroundFileRequestChild();
void HandleResponse(nsresult aResponse);
void HandleResponse(const FileRequestGetFileResponse& aResponse);
void HandleResponse(const nsCString& aResponse);
void HandleResponse(const FileRequestMetadata& aResponse);
void HandleResponse(JS::Handle<JS::Value> aResponse);
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
virtual mozilla::ipc::IPCResult Recv__delete__(
const FileRequestResponse& aResponse) override;
virtual mozilla::ipc::IPCResult RecvProgress(
const uint64_t& aProgress, const uint64_t& aProgressMax) override;
};
class BackgroundUtilsChild final : public PBackgroundIndexedDBUtilsChild {
friend class mozilla::ipc::BackgroundChildImpl;
friend IndexedDatabaseManager;
IndexedDatabaseManager* mManager;
NS_DECL_OWNINGTHREAD
public:
void AssertIsOnOwningThread() const {
NS_ASSERT_OWNINGTHREAD(BackgroundUtilsChild);
}
private:
// Only created by IndexedDatabaseManager.
explicit BackgroundUtilsChild(IndexedDatabaseManager* aManager);
// Only destroyed by mozilla::ipc::BackgroundChildImpl.
~BackgroundUtilsChild();
void SendDeleteMeInternal();
// IPDL methods are only called by IPDL.
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
bool SendDeleteMe() = delete;
};
} // namespace indexedDB
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_indexeddb_actorschild_h__