| // Copyright 2014 The Chromium OS 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 THERMALD_TEMPERATURE_MONITOR_INTERFACE_H_ |
| #define THERMALD_TEMPERATURE_MONITOR_INTERFACE_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/callback_list.h" |
| #include "base/macros.h" |
| |
| namespace thermald { |
| |
| // Interface for temperature monitors. |
| // |
| // A temperature monitor observes a single temperature. Subscribers can |
| // register with the temperature monitor to be notified upon changes of |
| // the monitored temperature. |
| class TemperatureMonitorInterface { |
| public: |
| typedef base::Callback<void(int)> TemperatureMonitorCallback; |
| typedef base::CallbackList<void(int)>::Subscription Subscription; |
| |
| TemperatureMonitorInterface() {} |
| virtual ~TemperatureMonitorInterface() {} |
| |
| virtual std::string name() const = 0; |
| |
| // Subscribe for notifications about temperature changes. |
| // |
| // Returns a subscription object. The caller must keep a reference to this |
| // object for the time the subscription should be active. The subscription |
| // is canceled when the object is deleted. |
| virtual std::unique_ptr<Subscription> Subscribe( |
| const TemperatureMonitorCallback &cb) = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TemperatureMonitorInterface); |
| }; |
| |
| } // namespace thermald |
| |
| #endif // THERMALD_TEMPERATURE_MONITOR_INTERFACE_H_ |