mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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142 lines
3.7 KiB
C++
142 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set sw=4 ts=8 et 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_ipc_Blob_h
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#define mozilla_dom_ipc_Blob_h
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/PBlobChild.h"
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#include "mozilla/dom/PBlobParent.h"
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#include "mozilla/dom/PBlobStreamChild.h"
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#include "mozilla/dom/PBlobStreamParent.h"
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#include "mozilla/dom/PContentChild.h"
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#include "mozilla/dom/PContentParent.h"
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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class nsIDOMBlob;
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namespace mozilla {
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namespace dom {
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namespace ipc {
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enum ActorFlavorEnum
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{
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Parent = 0,
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Child
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};
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template <ActorFlavorEnum>
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struct BlobTraits
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{ };
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template <>
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struct BlobTraits<Parent>
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{
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typedef mozilla::dom::PBlobParent BaseType;
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typedef mozilla::dom::PBlobStreamParent StreamType;
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typedef mozilla::dom::PContentParent ManagerType;
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};
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template <>
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struct BlobTraits<Child>
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{
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typedef mozilla::dom::PBlobChild BaseType;
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typedef mozilla::dom::PBlobStreamChild StreamType;
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typedef mozilla::dom::PContentChild ManagerType;
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};
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template <ActorFlavorEnum>
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class RemoteBlob;
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template <ActorFlavorEnum ActorFlavor>
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class Blob : public BlobTraits<ActorFlavor>::BaseType
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{
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public:
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typedef typename BlobTraits<ActorFlavor>::BaseType BaseType;
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typedef typename BlobTraits<ActorFlavor>::StreamType StreamType;
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typedef typename BlobTraits<ActorFlavor>::ManagerType ManagerType;
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typedef RemoteBlob<ActorFlavor> RemoteBlobType;
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typedef mozilla::ipc::IProtocolManager<
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mozilla::ipc::RPCChannel::RPCListener>::ActorDestroyReason
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ActorDestroyReason;
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typedef mozilla::dom::BlobConstructorParams BlobConstructorParams;
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friend class RemoteBlobType;
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protected:
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nsIDOMBlob* mBlob;
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RemoteBlobType* mRemoteBlob;
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bool mOwnsBlob;
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bool mBlobIsFile;
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public:
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// This create function is called on the sending side.
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static Blob*
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Create(nsIDOMBlob* aBlob)
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{
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return new Blob(aBlob);
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}
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// This create function is called on the receiving side.
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static Blob*
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Create(const BlobConstructorParams& aParams);
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// Get the blob associated with this actor. This may always be called on the
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// sending side. It may also be called on the receiving side unless this is a
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// "mystery" blob that has not yet received a SetMysteryBlobInfo() call.
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already_AddRefed<nsIDOMBlob>
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GetBlob();
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// Use this for files.
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bool
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SetMysteryBlobInfo(const nsString& aName, const nsString& aContentType,
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PRUint64 aLength);
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// Use this for non-file blobs.
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bool
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SetMysteryBlobInfo(const nsString& aContentType, PRUint64 aLength);
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private:
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// This constructor is called on the sending side.
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Blob(nsIDOMBlob* aBlob);
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// This constructor is called on the receiving side.
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Blob(const BlobConstructorParams& aParams);
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void
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SetRemoteBlob(nsRefPtr<RemoteBlobType>& aRemoteBlob);
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void
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NoteDyingRemoteBlob();
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// These methods are only called by the IPDL message machinery.
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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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RecvResolveMystery(const ResolveMysteryParams& aParams) MOZ_OVERRIDE;
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virtual bool
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RecvPBlobStreamConstructor(StreamType* aActor) MOZ_OVERRIDE;
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virtual StreamType*
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AllocPBlobStream() MOZ_OVERRIDE;
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virtual bool
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DeallocPBlobStream(StreamType* aActor) MOZ_OVERRIDE;
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};
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} // namespace ipc
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typedef mozilla::dom::ipc::Blob<mozilla::dom::ipc::Child> BlobChild;
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typedef mozilla::dom::ipc::Blob<mozilla::dom::ipc::Parent> BlobParent;
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_ipc_Blob_h
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