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/* -*- 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 RemoteStreamGetter_h___
#define RemoteStreamGetter_h___
#include "nsIChannel.h"
#include "nsIInputStreamPump.h"
#include "nsIStreamListener.h"
#include "nsIInputStream.h"
#include "nsICancelable.h"
#include "SimpleChannel.h"
#include "mozilla/net/NeckoChannelParams.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/Maybe.h"
class nsILoadInfo;
namespace mozilla {
namespace net {
using RemoteStreamPromise =
mozilla::MozPromise<RemoteStreamInfo, nsresult, false>;
using Method = RefPtr<
MozPromise<Maybe<RemoteStreamInfo>, ipc::ResponseRejectReason, true>> (
PNeckoChild::*)(nsIURI*, const Maybe<LoadInfoArgs>&);
/**
* Helper class used with SimpleChannel to asynchronously obtain an input
* stream and metadata from the parent for a remote protocol load from the
* child.
*/
class RemoteStreamGetter final : public nsICancelable {
NS_DECL_ISUPPORTS
NS_DECL_NSICANCELABLE
public:
RemoteStreamGetter(nsIURI* aURI, nsILoadInfo* aLoadInfo);
// Get an input stream from the parent asynchronously.
RequestOrReason GetAsync(nsIStreamListener* aListener, nsIChannel* aChannel,
Method aMethod);
// Handle an input stream being returned from the parent
void OnStream(const Maybe<RemoteStreamInfo>& aStreamInfo);
static void CancelRequest(nsIStreamListener* aListener, nsIChannel* aChannel,
nsresult aResult);
private:
~RemoteStreamGetter() = default;
nsCOMPtr<nsIURI> mURI;
nsCOMPtr<nsILoadInfo> mLoadInfo;
nsCOMPtr<nsIStreamListener> mListener;
nsCOMPtr<nsIChannel> mChannel;
nsCOMPtr<nsIInputStreamPump> mPump;
bool mCanceled{false};
nsresult mStatus{NS_OK};
};
} // namespace net
} // namespace mozilla
#endif /* RemoteStreamGetter_h___ */
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