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// Copyright 2017 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <fuchsia/modular/cpp/fidl.h>
#include <lib/fidl/cpp/interface_ptr_set.h>
#include "peridot/bin/suggestion_engine/decision_policies/decision_policy.h"
#include "peridot/bin/suggestion_engine/ranked_suggestion.h"
namespace modular {
// The InterruptionProcessor determines whether a proposal should interrupt
// the user. If the decision to interrupt is made, this processor also
// determines when and how the interruption should occur.
// All interrupting suggestions remain stored as contextual "next"
// suggestions.
class InterruptionsProcessor {
// Ranker that will be used to know if a suggestion should interrupt.
void SetDecisionPolicy(std::unique_ptr<DecisionPolicy> decision_policy);
// Add listener that will be notified when an interruption comes.
void RegisterListener(
fidl::InterfaceHandle<fuchsia::modular::InterruptionListener> listener);
// Based on ranker confidence, dispatch an interruption for the given
// suggestion
bool MaybeInterrupt(const RankedSuggestion& suggestion);
void DispatchInterruption(
fuchsia::modular::InterruptionListener* const listener,
const RankedSuggestion& ranked_suggestion);
fidl::InterfacePtrSet<fuchsia::modular::InterruptionListener> listeners_;
std::unique_ptr<DecisionPolicy> decision_policy_;
} // namespace modular