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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_ContentClassifierService_h
#define mozilla_ContentClassifierService_h
#include "mozilla/Mutex.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/ThreadSafety.h"
#include "mozilla/UniquePtr.h"
#include "nsIAsyncShutdown.h"
#include "nsIChannel.h"
#include "nsISupportsImpl.h"
#include "nsTArray.h"
#include "mozilla/ContentClassifierEngine.h"
namespace mozilla {
enum class ClassifyMode { Annotate, Cancel };
enum class InitPhase {
NotInited,
InitSucceeded,
InitFailed,
ShutdownStarted,
ShutdownEnded
};
class ContentClassifierService final : public nsIAsyncShutdownBlocker {
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIASYNCSHUTDOWNBLOCKER
static already_AddRefed<ContentClassifierService> GetInstance();
static bool IsEnabled();
static bool IsInitialized();
ContentClassifierResult ClassifyForCancel(
const ContentClassifierRequest& aRequest);
ContentClassifierResult ClassifyForAnnotate(
const ContentClassifierRequest& aRequest);
void CancelChannel(nsIChannel* aChannel);
void AnnotateChannel(nsIChannel* aChannel);
private:
ContentClassifierService();
~ContentClassifierService();
void Init();
static void OnPrefChange(const char* aPref, void* aData);
void LoadFilterLists();
void RemoveBlocker();
already_AddRefed<nsIAsyncShutdownClient> GetAsyncShutdownBarrier() const;
ContentClassifierResult ClassifyWithEngines(
const nsTArray<UniquePtr<ContentClassifierEngine>>& aEngines,
const ContentClassifierRequest& aRequest);
static StaticRefPtr<ContentClassifierService> sInstance;
static bool sEnabled;
mozilla::Mutex mLock MOZ_UNANNOTATED;
InitPhase mInitPhase MOZ_GUARDED_BY(mLock);
nsTArray<UniquePtr<ContentClassifierEngine>> mBlockEngines
MOZ_GUARDED_BY(mLock);
nsTArray<UniquePtr<ContentClassifierEngine>> mAnnotateEngines
MOZ_GUARDED_BY(mLock);
};
} // namespace mozilla
#endif // mozilla_ContentClassifierService_h
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