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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et 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_net_AltDataOutputStreamChild_h
#define mozilla_net_AltDataOutputStreamChild_h
#include "mozilla/net/PAltDataOutputStreamChild.h"
#include "nsIAsyncOutputStream.h"
namespace mozilla {
namespace net {
class AltDataOutputStreamChild : public PAltDataOutputStreamChild,
public nsIAsyncOutputStream {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIASYNCOUTPUTSTREAM
NS_DECL_NSIOUTPUTSTREAM
explicit AltDataOutputStreamChild();
void AddIPDLReference();
void ReleaseIPDLReference();
// Saves an error code which will be reported to the writer on the next call.
virtual mozilla::ipc::IPCResult RecvError(const nsresult& err);
virtual mozilla::ipc::IPCResult RecvDeleteSelf();
private:
virtual ~AltDataOutputStreamChild() = default;
// Sends data to the parent process in 256k chunks.
bool WriteDataInChunks(const nsDependentCSubstring& data);
void NotifyListener();
bool mIPCOpen;
// If there was an error opening the output stream or writing to it on the
// parent side, this will be set to the error code. We check it before we
// write so we can report an error to the consumer.
nsresult mError;
nsCOMPtr<nsIOutputStreamCallback> mCallback;
uint32_t mCallbackFlags;
nsCOMPtr<nsIEventTarget> mCallbackTarget;
};
} // namespace net
} // namespace mozilla
#endif // mozilla_net_AltDataOutputStreamChild_h