зеркало из https://github.com/mozilla/gecko-dev.git
653 строки
16 KiB
C++
653 строки
16 KiB
C++
/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_indexeddb_actorschild_h__
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#define mozilla_dom_indexeddb_actorschild_h__
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#include "js/RootingAPI.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/indexedDB/PBackgroundIDBCursorChild.h"
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#include "mozilla/dom/indexedDB/PBackgroundIDBDatabaseChild.h"
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#include "mozilla/dom/indexedDB/PBackgroundIDBFactoryChild.h"
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#include "mozilla/dom/indexedDB/PBackgroundIDBFactoryRequestChild.h"
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#include "mozilla/dom/indexedDB/PBackgroundIDBRequestChild.h"
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#include "mozilla/dom/indexedDB/PBackgroundIDBTransactionChild.h"
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#include "mozilla/dom/indexedDB/PBackgroundIDBVersionChangeTransactionChild.h"
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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#include "nsTArray.h"
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class nsIEventTarget;
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struct PRThread;
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namespace mozilla {
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namespace ipc {
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class BackgroundChildImpl;
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} // namespace ipc
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namespace dom {
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namespace indexedDB {
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class FileInfo;
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class IDBCursor;
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class IDBDatabase;
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class IDBFactory;
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class IDBMutableFile;
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class IDBOpenDBRequest;
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class IDBRequest;
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class IDBTransaction;
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class Key;
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class PBackgroundIDBFileChild;
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class PermissionRequestChild;
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class PermissionRequestParent;
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class SerializedStructuredCloneReadInfo;
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class BackgroundFactoryChild MOZ_FINAL
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: public PBackgroundIDBFactoryChild
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{
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friend class mozilla::ipc::BackgroundChildImpl;
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friend class IDBFactory;
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IDBFactory* mFactory;
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#ifdef DEBUG
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nsCOMPtr<nsIEventTarget> mOwningThread;
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#endif
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public:
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void
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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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#endif
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IDBFactory*
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GetDOMObject() const
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{
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AssertIsOnOwningThread();
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return mFactory;
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}
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private:
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// Only created by IDBFactory.
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explicit BackgroundFactoryChild(IDBFactory* aFactory);
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// Only destroyed by mozilla::ipc::BackgroundChildImpl.
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~BackgroundFactoryChild();
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void
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SendDeleteMeInternal();
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// IPDL methods are only called by IPDL.
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virtual void
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ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
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virtual PBackgroundIDBFactoryRequestChild*
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AllocPBackgroundIDBFactoryRequestChild(const FactoryRequestParams& aParams)
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MOZ_OVERRIDE;
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virtual bool
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DeallocPBackgroundIDBFactoryRequestChild(
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PBackgroundIDBFactoryRequestChild* aActor)
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MOZ_OVERRIDE;
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virtual PBackgroundIDBDatabaseChild*
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AllocPBackgroundIDBDatabaseChild(const DatabaseSpec& aSpec,
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PBackgroundIDBFactoryRequestChild* aRequest)
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MOZ_OVERRIDE;
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virtual bool
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DeallocPBackgroundIDBDatabaseChild(PBackgroundIDBDatabaseChild* aActor)
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MOZ_OVERRIDE;
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bool
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SendDeleteMe() MOZ_DELETE;
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};
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class BackgroundDatabaseChild;
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class BackgroundRequestChildBase
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{
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protected:
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nsRefPtr<IDBRequest> mRequest;
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private:
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bool mActorDestroyed;
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public:
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void
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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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#endif
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IDBRequest*
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GetDOMObject() const
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{
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AssertIsOnOwningThread();
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return mRequest;
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}
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bool
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IsActorDestroyed() const
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{
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AssertIsOnOwningThread();
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return mActorDestroyed;
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}
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protected:
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explicit BackgroundRequestChildBase(IDBRequest* aRequest);
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virtual
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~BackgroundRequestChildBase();
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void
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NoteActorDestroyed();
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};
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class BackgroundFactoryRequestChild MOZ_FINAL
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: public BackgroundRequestChildBase
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, public PBackgroundIDBFactoryRequestChild
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{
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typedef mozilla::dom::quota::PersistenceType PersistenceType;
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friend class IDBFactory;
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friend class BackgroundFactoryChild;
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friend class BackgroundDatabaseChild;
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friend class PermissionRequestChild;
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friend class PermissionRequestParent;
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nsRefPtr<IDBFactory> mFactory;
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const uint64_t mRequestedVersion;
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const bool mIsDeleteOp;
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public:
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IDBOpenDBRequest*
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GetOpenDBRequest() const;
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private:
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// Only created by IDBFactory.
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BackgroundFactoryRequestChild(IDBFactory* aFactory,
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IDBOpenDBRequest* aOpenRequest,
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bool aIsDeleteOp,
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uint64_t aRequestedVersion);
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// Only destroyed by BackgroundFactoryChild.
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~BackgroundFactoryRequestChild();
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bool
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HandleResponse(nsresult aResponse);
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bool
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HandleResponse(const OpenDatabaseRequestResponse& aResponse);
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bool
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HandleResponse(const DeleteDatabaseRequestResponse& aResponse);
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// IPDL methods are only called by IPDL.
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virtual void
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ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
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virtual bool
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Recv__delete__(const FactoryRequestResponse& aResponse) MOZ_OVERRIDE;
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virtual bool
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RecvPermissionChallenge(const PrincipalInfo& aPrincipalInfo) MOZ_OVERRIDE;
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virtual bool
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RecvBlocked(const uint64_t& aCurrentVersion) MOZ_OVERRIDE;
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};
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class BackgroundDatabaseChild MOZ_FINAL
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: public PBackgroundIDBDatabaseChild
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{
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friend class BackgroundFactoryChild;
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friend class BackgroundFactoryRequestChild;
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friend class IDBDatabase;
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nsAutoPtr<DatabaseSpec> mSpec;
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nsRefPtr<IDBDatabase> mTemporaryStrongDatabase;
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BackgroundFactoryRequestChild* mOpenRequestActor;
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IDBDatabase* mDatabase;
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public:
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void
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AssertIsOnOwningThread() const
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{
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static_cast<BackgroundFactoryChild*>(Manager())->AssertIsOnOwningThread();
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}
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const DatabaseSpec*
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Spec() const
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{
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AssertIsOnOwningThread();
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return mSpec;
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}
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IDBDatabase*
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GetDOMObject() const
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{
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AssertIsOnOwningThread();
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return mDatabase;
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}
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private:
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// Only constructed by BackgroundFactoryChild.
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BackgroundDatabaseChild(const DatabaseSpec& aSpec,
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BackgroundFactoryRequestChild* aOpenRequest);
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// Only destroyed by BackgroundFactoryChild.
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~BackgroundDatabaseChild();
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void
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SendDeleteMeInternal();
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void
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EnsureDOMObject();
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void
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ReleaseDOMObject();
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// IPDL methods are only called by IPDL.
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virtual void
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ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
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virtual PBackgroundIDBDatabaseFileChild*
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AllocPBackgroundIDBDatabaseFileChild(PBlobChild* aBlobChild)
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MOZ_OVERRIDE;
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virtual bool
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DeallocPBackgroundIDBDatabaseFileChild(
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PBackgroundIDBDatabaseFileChild* aActor)
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MOZ_OVERRIDE;
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virtual PBackgroundIDBTransactionChild*
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AllocPBackgroundIDBTransactionChild(
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const nsTArray<nsString>& aObjectStoreNames,
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const Mode& aMode)
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MOZ_OVERRIDE;
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virtual bool
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DeallocPBackgroundIDBTransactionChild(PBackgroundIDBTransactionChild* aActor)
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MOZ_OVERRIDE;
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virtual PBackgroundIDBVersionChangeTransactionChild*
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AllocPBackgroundIDBVersionChangeTransactionChild(
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const uint64_t& aCurrentVersion,
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const uint64_t& aRequestedVersion,
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const int64_t& aNextObjectStoreId,
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const int64_t& aNextIndexId)
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MOZ_OVERRIDE;
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virtual bool
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RecvPBackgroundIDBVersionChangeTransactionConstructor(
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PBackgroundIDBVersionChangeTransactionChild* aActor,
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const uint64_t& aCurrentVersion,
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const uint64_t& aRequestedVersion,
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const int64_t& aNextObjectStoreId,
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const int64_t& aNextIndexId)
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MOZ_OVERRIDE;
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virtual bool
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DeallocPBackgroundIDBVersionChangeTransactionChild(
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PBackgroundIDBVersionChangeTransactionChild* aActor)
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MOZ_OVERRIDE;
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virtual bool
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RecvVersionChange(const uint64_t& aOldVersion,
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const NullableVersion& aNewVersion)
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MOZ_OVERRIDE;
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virtual bool
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RecvInvalidate() MOZ_OVERRIDE;
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bool
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SendDeleteMe() MOZ_DELETE;
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};
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class BackgroundVersionChangeTransactionChild;
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class BackgroundTransactionBase
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{
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friend class BackgroundVersionChangeTransactionChild;
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// mTemporaryStrongTransaction is strong and is only valid until the end of
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// NoteComplete() member function or until the NoteActorDestroyed() member
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// function is called.
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nsRefPtr<IDBTransaction> mTemporaryStrongTransaction;
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protected:
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// mTransaction is weak and is valid until the NoteActorDestroyed() member
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// function is called.
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IDBTransaction* mTransaction;
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public:
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#ifdef DEBUG
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virtual void
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AssertIsOnOwningThread() const = 0;
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#else
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void
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AssertIsOnOwningThread() const
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{ }
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#endif
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IDBTransaction*
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GetDOMObject() const
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{
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AssertIsOnOwningThread();
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return mTransaction;
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}
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protected:
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BackgroundTransactionBase();
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explicit BackgroundTransactionBase(IDBTransaction* aTransaction);
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virtual
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~BackgroundTransactionBase();
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void
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NoteActorDestroyed();
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void
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NoteComplete();
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private:
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// Only called by BackgroundVersionChangeTransactionChild.
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void
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SetDOMTransaction(IDBTransaction* aDOMObject);
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};
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class BackgroundTransactionChild MOZ_FINAL
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: public BackgroundTransactionBase
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, public PBackgroundIDBTransactionChild
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{
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friend class BackgroundDatabaseChild;
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friend class IDBDatabase;
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public:
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#ifdef DEBUG
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virtual void
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AssertIsOnOwningThread() const MOZ_OVERRIDE;
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#endif
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void
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SendDeleteMeInternal();
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private:
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// Only created by IDBDatabase.
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explicit BackgroundTransactionChild(IDBTransaction* aTransaction);
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// Only destroyed by BackgroundDatabaseChild.
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~BackgroundTransactionChild();
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// IPDL methods are only called by IPDL.
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virtual void
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ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
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bool
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RecvComplete(const nsresult& aResult) MOZ_OVERRIDE;
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virtual PBackgroundIDBRequestChild*
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AllocPBackgroundIDBRequestChild(const RequestParams& aParams) MOZ_OVERRIDE;
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virtual bool
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DeallocPBackgroundIDBRequestChild(PBackgroundIDBRequestChild* aActor)
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MOZ_OVERRIDE;
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virtual PBackgroundIDBCursorChild*
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AllocPBackgroundIDBCursorChild(const OpenCursorParams& aParams) MOZ_OVERRIDE;
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virtual bool
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DeallocPBackgroundIDBCursorChild(PBackgroundIDBCursorChild* aActor)
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MOZ_OVERRIDE;
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bool
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SendDeleteMe() MOZ_DELETE;
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};
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class BackgroundVersionChangeTransactionChild MOZ_FINAL
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: public BackgroundTransactionBase
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, public PBackgroundIDBVersionChangeTransactionChild
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{
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friend class BackgroundDatabaseChild;
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IDBOpenDBRequest* mOpenDBRequest;
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public:
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#ifdef DEBUG
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virtual void
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AssertIsOnOwningThread() const MOZ_OVERRIDE;
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#endif
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void
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SendDeleteMeInternal();
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private:
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// Only created by BackgroundDatabaseChild.
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explicit BackgroundVersionChangeTransactionChild(IDBOpenDBRequest* aOpenDBRequest);
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// Only destroyed by BackgroundDatabaseChild.
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~BackgroundVersionChangeTransactionChild();
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// Only called by BackgroundDatabaseChild.
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void
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SetDOMTransaction(IDBTransaction* aDOMObject)
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{
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BackgroundTransactionBase::SetDOMTransaction(aDOMObject);
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}
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// IPDL methods are only called by IPDL.
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virtual void
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ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
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bool
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RecvComplete(const nsresult& aResult) MOZ_OVERRIDE;
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virtual PBackgroundIDBRequestChild*
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AllocPBackgroundIDBRequestChild(const RequestParams& aParams) MOZ_OVERRIDE;
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virtual bool
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DeallocPBackgroundIDBRequestChild(PBackgroundIDBRequestChild* aActor)
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MOZ_OVERRIDE;
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virtual PBackgroundIDBCursorChild*
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AllocPBackgroundIDBCursorChild(const OpenCursorParams& aParams) MOZ_OVERRIDE;
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virtual bool
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DeallocPBackgroundIDBCursorChild(PBackgroundIDBCursorChild* aActor)
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MOZ_OVERRIDE;
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bool
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SendDeleteMe() MOZ_DELETE;
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};
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class BackgroundRequestChild MOZ_FINAL
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: public BackgroundRequestChildBase
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, public PBackgroundIDBRequestChild
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{
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friend class BackgroundTransactionChild;
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friend class BackgroundVersionChangeTransactionChild;
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nsRefPtr<IDBTransaction> mTransaction;
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nsTArray<nsRefPtr<FileInfo>> mFileInfos;
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public:
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explicit BackgroundRequestChild(IDBRequest* aRequest);
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void
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HoldFileInfosUntilComplete(nsTArray<nsRefPtr<FileInfo>>& aFileInfos);
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private:
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// Only destroyed by BackgroundTransactionChild or
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// BackgroundVersionChangeTransactionChild.
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~BackgroundRequestChild();
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void
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MaybeFinishTransactionEarly();
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bool
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HandleResponse(nsresult aResponse);
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bool
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HandleResponse(const Key& aResponse);
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bool
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HandleResponse(const nsTArray<Key>& aResponse);
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bool
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HandleResponse(const SerializedStructuredCloneReadInfo& aResponse);
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bool
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HandleResponse(const nsTArray<SerializedStructuredCloneReadInfo>& aResponse);
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bool
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HandleResponse(JS::Handle<JS::Value> aResponse);
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bool
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HandleResponse(uint64_t aResponse);
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// IPDL methods are only called by IPDL.
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virtual void
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ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
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virtual bool
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Recv__delete__(const RequestResponse& aResponse) MOZ_OVERRIDE;
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};
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class BackgroundCursorChild MOZ_FINAL
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: public PBackgroundIDBCursorChild
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{
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friend class BackgroundTransactionChild;
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friend class BackgroundVersionChangeTransactionChild;
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class DelayedDeleteRunnable;
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IDBRequest* mRequest;
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IDBTransaction* mTransaction;
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IDBObjectStore* mObjectStore;
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IDBIndex* mIndex;
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IDBCursor* mCursor;
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// These are only set while a request is in progress.
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nsRefPtr<IDBRequest> mStrongRequest;
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nsRefPtr<IDBCursor> mStrongCursor;
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Direction mDirection;
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#ifdef DEBUG
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PRThread* mOwningThread;
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#endif
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public:
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BackgroundCursorChild(IDBRequest* aRequest,
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IDBObjectStore* aObjectStore,
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Direction aDirection);
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BackgroundCursorChild(IDBRequest* aRequest,
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IDBIndex* aIndex,
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Direction aDirection);
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void
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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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#endif
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void
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SendContinueInternal(const CursorRequestParams& aParams);
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void
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SendDeleteMeInternal();
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IDBRequest*
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GetRequest() const
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{
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AssertIsOnOwningThread();
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return mRequest;
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}
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IDBObjectStore*
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GetObjectStore() const
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{
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AssertIsOnOwningThread();
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return mObjectStore;
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}
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IDBIndex*
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GetIndex() const
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{
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AssertIsOnOwningThread();
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return mIndex;
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}
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Direction
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GetDirection() const
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{
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AssertIsOnOwningThread();
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return mDirection;
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}
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private:
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// Only destroyed by BackgroundTransactionChild or
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// BackgroundVersionChangeTransactionChild.
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~BackgroundCursorChild();
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void
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HandleResponse(nsresult aResponse);
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void
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HandleResponse(const void_t& aResponse);
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void
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HandleResponse(const ObjectStoreCursorResponse& aResponse);
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void
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HandleResponse(const ObjectStoreKeyCursorResponse& aResponse);
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void
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HandleResponse(const IndexCursorResponse& aResponse);
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void
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HandleResponse(const IndexKeyCursorResponse& aResponse);
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// IPDL methods are only called by IPDL.
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virtual void
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ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
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virtual bool
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RecvResponse(const CursorResponse& aResponse) MOZ_OVERRIDE;
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// Force callers to use SendContinueInternal.
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bool
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SendContinue(const CursorRequestParams& aParams) MOZ_DELETE;
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|
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bool
|
|
SendDeleteMe() MOZ_DELETE;
|
|
};
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// XXX This doesn't belong here. However, we're not yet porting MutableFile
|
|
// stuff to PBackground so this is necessary for the time being.
|
|
void
|
|
DispatchMutableFileResult(IDBRequest* aRequest,
|
|
nsresult aResultCode,
|
|
IDBMutableFile* aMutableFile);
|
|
|
|
} // namespace indexedDB
|
|
} // namespace dom
|
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} // namespace mozilla
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#endif // mozilla_dom_indexeddb_actorschild_h__
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