зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
2.7 KiB
C++
88 строки
2.7 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_ipc_IPCBlobInputStreamParent_h
|
|
#define mozilla_dom_ipc_IPCBlobInputStreamParent_h
|
|
|
|
#include "mozilla/ipc/PIPCBlobInputStreamParent.h"
|
|
|
|
class nsIInputStream;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
class NS_NO_VTABLE IPCBlobInputStreamParentCallback {
|
|
public:
|
|
virtual void ActorDestroyed(const nsID& aID) = 0;
|
|
|
|
NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
|
|
|
|
protected:
|
|
virtual ~IPCBlobInputStreamParentCallback() {}
|
|
};
|
|
|
|
class IPCBlobInputStreamParent final
|
|
: public mozilla::ipc::PIPCBlobInputStreamParent {
|
|
public:
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(IPCBlobInputStreamParent)
|
|
|
|
// The size of the inputStream must be passed as argument in order to avoid
|
|
// the use of nsIInputStream::Available() which could open a fileDescriptor in
|
|
// case the stream is a nsFileStream.
|
|
template <typename M>
|
|
static already_AddRefed<IPCBlobInputStreamParent> Create(
|
|
nsIInputStream* aInputStream, uint64_t aSize, uint64_t aChildID,
|
|
nsresult* aRv, M* aManager);
|
|
|
|
static already_AddRefed<IPCBlobInputStreamParent> Create(
|
|
const nsID& aID, uint64_t aSize,
|
|
mozilla::ipc::PBackgroundParent* aManager);
|
|
|
|
void ActorDestroy(IProtocol::ActorDestroyReason aReason) override;
|
|
|
|
const nsID& ID() const { return mID; }
|
|
|
|
uint64_t Size() const { return mSize; }
|
|
|
|
void SetCallback(IPCBlobInputStreamParentCallback* aCallback);
|
|
|
|
mozilla::ipc::IPCResult RecvStreamNeeded() override;
|
|
|
|
mozilla::ipc::IPCResult RecvLengthNeeded() override;
|
|
|
|
mozilla::ipc::IPCResult RecvClose() override;
|
|
|
|
mozilla::ipc::IPCResult Recv__delete__() override;
|
|
|
|
bool HasValidStream() const;
|
|
|
|
private:
|
|
IPCBlobInputStreamParent(const nsID& aID, uint64_t aSize,
|
|
nsIContentParent* aManager);
|
|
|
|
IPCBlobInputStreamParent(const nsID& aID, uint64_t aSize,
|
|
mozilla::ipc::PBackgroundParent* aManager);
|
|
|
|
~IPCBlobInputStreamParent() = default;
|
|
|
|
const nsID mID;
|
|
const uint64_t mSize;
|
|
|
|
// Only 1 of these 2 is set. Raw pointer because these 2 managers are keeping
|
|
// the parent actor alive. The pointers will be nullified in ActorDestroyed.
|
|
nsIContentParent* mContentManager;
|
|
mozilla::ipc::PBackgroundParent* mPBackgroundManager;
|
|
|
|
RefPtr<IPCBlobInputStreamParentCallback> mCallback;
|
|
|
|
bool mMigrating;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_dom_ipc_IPCBlobInputStreamParent_h
|