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68 lines
2.3 KiB
68 lines
2.3 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <optional>
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#include <android/hardware/health/2.1/IHealth.h>
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#include <health/HealthLoop.h>
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namespace android {
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namespace hardware {
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namespace health {
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namespace V2_1 {
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namespace implementation {
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// An implementation of HealthLoop for using a given health HAL. This is useful
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// for services that opens the passthrough implementation and starts the HealthLoop
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// to periodically poll data from the implementation.
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class HalHealthLoop : public HealthLoop {
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public:
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HalHealthLoop(const std::string& name, const sp<IHealth>& service)
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: instance_name_(name), service_(service) {}
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protected:
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virtual void Init(struct healthd_config* config) override;
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virtual void Heartbeat() override;
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virtual int PrepareToWait() override;
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virtual void ScheduleBatteryUpdate() override;
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// HealthLoop periodically calls ScheduleBatteryUpdate, which calls
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// OnHealthInfoChanged callback. A client can override this function to
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// broadcast the health_info to interested listeners. By default, this
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// adjust uevents / wakealarm periods.
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virtual void OnHealthInfoChanged(const HealthInfo& health_info);
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const std::string& instance_name() const { return instance_name_; }
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const sp<IHealth>& service() const { return service_; }
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bool charger_online() const { return charger_online_; }
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// Helpers for subclasses to implement OnHealthInfoChanged.
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void set_charger_online(const HealthInfo& health_info);
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private:
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std::string instance_name_;
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sp<IHealth> service_;
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bool charger_online_ = false;
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};
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} // namespace implementation
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} // namespace V2_1
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} // namespace health
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} // namespace hardware
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} // namespace android
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