StreamList.h - mozsearch

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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 mozilla_dom_cache_StreamList_h

#define mozilla_dom_cache_StreamList_h

#include "mozilla/dom/SafeRefPtr.h"

#include "mozilla/dom/cache/Context.h"

#include "mozilla/dom/cache/Types.h"

#include "nsTArray.h"

class nsIInputStream;

namespace mozilla::dom::cache {

class CacheStreamControlParent;

class Manager;

class StreamList final : public Context::Activity,

                         public SafeRefCounted<StreamList> {

 public:

  StreamList(SafeRefPtr<Manager> aManager, SafeRefPtr<Context> aContext);

  Manager& GetManager() const;

  bool ShouldOpenStreamFor(const nsID& aId) const;

  void SetStreamControl(CacheStreamControlParent* aStreamControl);

  void RemoveStreamControl(CacheStreamControlParent* aStreamControl);

  void Activate(CacheId aCacheId);

  void Add(const nsID& aId, nsCOMPtr<nsIInputStream>&& aStream);

  already_AddRefed<nsIInputStream> Extract(const nsID& aId);

  void NoteClosed(const nsID& aId);

  void NoteClosedAll();

  void CloseAll();

  // Context::Activity methods

  virtual void Cancel() override;

  virtual bool MatchesCacheId(CacheId aCacheId) const override;

 private:

  void DoStringify(nsACString& aData) override;

  struct Entry {

    explicit Entry(const nsID& aId, nsCOMPtr<nsIInputStream>&& aStream)

        : mId(aId), mStream(std::move(aStream)) {}

    nsID mId;

    nsCOMPtr<nsIInputStream> mStream;

};

  SafeRefPtr<Manager> mManager;

  SafeRefPtr<Context> mContext;

  CacheId mCacheId;

  CacheStreamControlParent* mStreamControl;

  nsTArray<Entry> mList;

  bool mActivated;

 public:

  ~StreamList();

  NS_DECL_OWNINGTHREAD

  MOZ_DECLARE_REFCOUNTED_TYPENAME(cache::StreamList)

};

}  // namespace mozilla::dom::cache

#endif  // mozilla_dom_cache_StreamList_h