| // 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. |
| |
| #ifndef PERIDOT_BIN_SUGGESTION_ENGINE_INTERRUPTIONS_PROCESSOR_H_ |
| #define PERIDOT_BIN_SUGGESTION_ENGINE_INTERRUPTIONS_PROCESSOR_H_ |
| |
| #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 { |
| public: |
| InterruptionsProcessor(); |
| ~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); |
| |
| private: |
| 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 |
| |
| #endif // PERIDOT_BIN_SUGGESTION_ENGINE_INTERRUPTIONS_PROCESSOR_H_ |