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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set expandtab ts=2 sw=2 sts=2 cin: */
/* 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_net_ChannelClassifierService_h
#define mozilla_net_ChannelClassifierService_h
#include "nsIChannelClassifierService.h"
#include "mozilla/net/UrlClassifierCommon.h"
#include "nsCOMPtr.h"
#include "nsTArray.h"
namespace mozilla {
namespace net {
enum class ChannelBlockDecision {
Blocked,
Replaced,
Allowed,
};
class UrlClassifierBlockedChannel final
: public nsIUrlClassifierBlockedChannel {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIURLCLASSIFIERBLOCKEDCHANNEL
explicit UrlClassifierBlockedChannel(nsIChannel* aChannel);
bool IsUnblocked() const {
return mDecision != ChannelBlockDecision::Blocked;
}
ChannelBlockDecision GetDecision() { return mDecision; };
void SetReason(const nsACString& aFeatureName, const nsACString& aTableName);
protected:
~UrlClassifierBlockedChannel() = default;
private:
nsCOMPtr<nsIChannel> mChannel;
ChannelBlockDecision mDecision;
uint8_t mReason;
nsCString mTables;
};
class ChannelClassifierService final : public nsIChannelClassifierService {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSICHANNELCLASSIFIERSERVICE
friend class UrlClassifierBlockedChannel;
static already_AddRefed<nsIChannelClassifierService> GetSingleton();
static ChannelBlockDecision OnBeforeBlockChannel(
nsIChannel* aChannel, const nsACString& aFeatureName,
const nsACString& aTableName);
nsresult OnBeforeBlockChannel(nsIChannel* aChannel,
const nsACString& aFeatureName,
const nsACString& aTableName,
ChannelBlockDecision& aDecision);
bool HasListener() const { return !mListeners.IsEmpty(); }
private:
ChannelClassifierService();
~ChannelClassifierService() = default;
nsTArray<nsCOMPtr<nsIObserver>> mListeners;
};
} // namespace net
} // namespace mozilla
#endif // mozilla_net_ChannelClassifierService_h
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