tor-browser

The Tor Browser
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ChildProcessChannelListener.h (1946B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_ChildProcessChannelListener_h
      8 #define mozilla_dom_ChildProcessChannelListener_h
      9 
     10 #include <functional>
     11 
     12 #include "mozilla/extensions/StreamFilterParent.h"
     13 #include "mozilla/net/NeckoChannelParams.h"
     14 #include "nsDOMNavigationTiming.h"
     15 #include "nsTHashMap.h"
     16 #include "nsIChannel.h"
     17 #include "mozilla/ipc/BackgroundUtils.h"
     18 
     19 namespace mozilla::dom {
     20 
     21 class ChildProcessChannelListener final {
     22  NS_INLINE_DECL_REFCOUNTING(ChildProcessChannelListener)
     23 
     24  using Endpoint = mozilla::ipc::Endpoint<extensions::PStreamFilterParent>;
     25  using Resolver = std::function<void(const nsresult&)>;
     26  using Callback = std::function<nsresult(
     27      nsDocShellLoadState*, nsTArray<Endpoint>&&, nsDOMNavigationTiming*)>;
     28 
     29  void RegisterCallback(uint64_t aIdentifier, Callback&& aCallback);
     30 
     31  void OnChannelReady(nsDocShellLoadState* aLoadState, uint64_t aIdentifier,
     32                      nsTArray<Endpoint>&& aStreamFilterEndpoints,
     33                      nsDOMNavigationTiming* aTiming, Resolver&& aResolver);
     34 
     35  static already_AddRefed<ChildProcessChannelListener> GetSingleton();
     36 
     37 private:
     38  ChildProcessChannelListener() = default;
     39  ~ChildProcessChannelListener();
     40  struct CallbackArgs {
     41    RefPtr<nsDocShellLoadState> mLoadState;
     42    nsTArray<Endpoint> mStreamFilterEndpoints;
     43    RefPtr<nsDOMNavigationTiming> mTiming;
     44    Resolver mResolver;
     45  };
     46 
     47  // TODO Backtrack.
     48  nsTHashMap<NoMemMoveKey<nsUint64HashKey>, Callback> mCallbacks;
     49  nsTHashMap<NoMemMoveKey<nsUint64HashKey>, CallbackArgs> mChannelArgs;
     50 };
     51 
     52 }  // namespace mozilla::dom
     53 
     54 #endif  // !defined(mozilla_dom_ChildProcessChannelListener_h)