/* 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_filehandle_ActorsChild_h #define mozilla_dom_filehandle_ActorsChild_h #include "js/RootingAPI.h" #include "mozilla/Attributes.h" #include "mozilla/dom/FileHandleCommon.h" #include "mozilla/dom/PBackgroundFileHandleChild.h" #include "mozilla/dom/PBackgroundFileRequestChild.h" #include "mozilla/dom/PBackgroundMutableFileChild.h" class nsCString; namespace mozilla { namespace dom { class FileHandleBase; class FileRequestBase; class MutableFileBase; class BackgroundMutableFileChildBase : public ThreadObject , public PBackgroundMutableFileChild { protected: friend class MutableFileBase; RefPtr<MutableFileBase> mTemporaryStrongMutableFile; MutableFileBase* mMutableFile; public: void EnsureDOMObject(); MutableFileBase* GetDOMObject() const { AssertIsOnOwningThread(); return mMutableFile; } void ReleaseDOMObject(); protected: BackgroundMutableFileChildBase(DEBUGONLY(PRThread* aOwningThread)); ~BackgroundMutableFileChildBase(); void SendDeleteMeInternal(); virtual already_AddRefed<MutableFileBase> CreateMutableFile() = 0; // 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 BackgroundFileHandleChild : public ThreadObject , public PBackgroundFileHandleChild { friend class BackgroundMutableFileChildBase; friend class MutableFileBase; // mTemporaryStrongFileHandle is strong and is only valid until the end of // NoteComplete() member function or until the NoteActorDestroyed() member // function is called. RefPtr<FileHandleBase> mTemporaryStrongFileHandle; // mFileHandle is weak and is valid until the NoteActorDestroyed() member // function is called. FileHandleBase* mFileHandle; public: explicit BackgroundFileHandleChild(DEBUGONLY(PRThread* aOwningThread,) FileHandleBase* aFileHandle); void SendDeleteMeInternal(); private: ~BackgroundFileHandleChild(); void NoteActorDestroyed(); void NoteComplete(); // IPDL methods are only called by IPDL. virtual void ActorDestroy(ActorDestroyReason aWhy) override; bool 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 ThreadObject , public PBackgroundFileRequestChild { friend class BackgroundFileHandleChild; friend class FileHandleBase; RefPtr<FileRequestBase> mFileRequest; RefPtr<FileHandleBase> mFileHandle; bool mActorDestroyed; private: // Only created by FileHandleBase. explicit BackgroundFileRequestChild(DEBUGONLY(PRThread* aOwningThread,) FileRequestBase* 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 bool Recv__delete__(const FileRequestResponse& aResponse) override; virtual bool RecvProgress(const uint64_t& aProgress, const uint64_t& aProgressMax) override; }; } // namespace dom } // namespace mozilla #endif // mozilla_dom_filehandle_ActorsChild_h