gecko-dev/docshell/base/ChildProcessChannelListener.h

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1.9 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_ChildProcessChannelListener_h
#define mozilla_dom_ChildProcessChannelListener_h
#include <functional>
#include "mozilla/extensions/StreamFilterParent.h"
#include "mozilla/net/NeckoChannelParams.h"
#include "nsDOMNavigationTiming.h"
#include "nsTHashMap.h"
#include "nsIChannel.h"
#include "mozilla/ipc/BackgroundUtils.h"
namespace mozilla::dom {
class ChildProcessChannelListener final {
NS_INLINE_DECL_REFCOUNTING(ChildProcessChannelListener)
using Endpoint = mozilla::ipc::Endpoint<extensions::PStreamFilterParent>;
using Resolver = std::function<void(const nsresult&)>;
using Callback = std::function<nsresult(
nsDocShellLoadState*, nsTArray<Endpoint>&&, nsDOMNavigationTiming*)>;
void RegisterCallback(uint64_t aIdentifier, Callback&& aCallback);
void OnChannelReady(nsDocShellLoadState* aLoadState, uint64_t aIdentifier,
nsTArray<Endpoint>&& aStreamFilterEndpoints,
nsDOMNavigationTiming* aTiming, Resolver&& aResolver);
static already_AddRefed<ChildProcessChannelListener> GetSingleton();
private:
ChildProcessChannelListener() = default;
~ChildProcessChannelListener();
struct CallbackArgs {
RefPtr<nsDocShellLoadState> mLoadState;
nsTArray<Endpoint> mStreamFilterEndpoints;
RefPtr<nsDOMNavigationTiming> mTiming;
Resolver mResolver;
};
// TODO Backtrack.
nsTHashMap<nsUint64HashKey, Callback> mCallbacks;
nsTHashMap<nsUint64HashKey, CallbackArgs> mChannelArgs;
};
} // namespace mozilla::dom
#endif // !defined(mozilla_dom_ChildProcessChannelListener_h)