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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_HARDWARE_THERMAL_V2_0_THERMAL_H
     18 #define ANDROID_HARDWARE_THERMAL_V2_0_THERMAL_H
     19 
     20 #include <android/hardware/thermal/2.0/IThermal.h>
     21 #include <hidl/MQDescriptor.h>
     22 #include <hidl/Status.h>
     23 
     24 namespace android {
     25 namespace hardware {
     26 namespace thermal {
     27 namespace V2_0 {
     28 namespace implementation {
     29 
     30 using ::android::sp;
     31 using ::android::hardware::hidl_array;
     32 using ::android::hardware::hidl_memory;
     33 using ::android::hardware::hidl_string;
     34 using ::android::hardware::hidl_vec;
     35 using ::android::hardware::Return;
     36 using ::android::hardware::Void;
     37 using ::android::hardware::thermal::V1_0::CpuUsage;
     38 using ::android::hardware::thermal::V2_0::CoolingType;
     39 using ::android::hardware::thermal::V2_0::IThermal;
     40 using CoolingDevice_1_0 = ::android::hardware::thermal::V1_0::CoolingDevice;
     41 using CoolingDevice_2_0 = ::android::hardware::thermal::V2_0::CoolingDevice;
     42 using Temperature_1_0 = ::android::hardware::thermal::V1_0::Temperature;
     43 using Temperature_2_0 = ::android::hardware::thermal::V2_0::Temperature;
     44 using ::android::hardware::thermal::V2_0::IThermalChangedCallback;
     45 using ::android::hardware::thermal::V2_0::TemperatureThreshold;
     46 using ::android::hardware::thermal::V2_0::TemperatureType;
     47 
     48 struct CallbackSetting {
     49     CallbackSetting(sp<IThermalChangedCallback> callback, bool is_filter_type, TemperatureType type)
     50         : callback(callback), is_filter_type(is_filter_type), type(type) {}
     51     sp<IThermalChangedCallback> callback;
     52     bool is_filter_type;
     53     TemperatureType type;
     54 };
     55 
     56 class Thermal : public IThermal {
     57    public:
     58     // Methods from ::android::hardware::thermal::V1_0::IThermal follow.
     59     Return<void> getTemperatures(getTemperatures_cb _hidl_cb) override;
     60     Return<void> getCpuUsages(getCpuUsages_cb _hidl_cb) override;
     61     Return<void> getCoolingDevices(getCoolingDevices_cb _hidl_cb) override;
     62 
     63     // Methods from ::android::hardware::thermal::V2_0::IThermal follow.
     64     Return<void> getCurrentTemperatures(bool filterType, TemperatureType type,
     65                                         getCurrentTemperatures_cb _hidl_cb) override;
     66     Return<void> getTemperatureThresholds(bool filterType, TemperatureType type,
     67                                           getTemperatureThresholds_cb _hidl_cb) override;
     68     Return<void> registerThermalChangedCallback(
     69         const sp<IThermalChangedCallback>& callback, bool filterType, TemperatureType type,
     70         registerThermalChangedCallback_cb _hidl_cb) override;
     71     Return<void> unregisterThermalChangedCallback(
     72         const sp<IThermalChangedCallback>& callback,
     73         unregisterThermalChangedCallback_cb _hidl_cb) override;
     74     Return<void> getCurrentCoolingDevices(bool filterType, CoolingType type,
     75                                           getCurrentCoolingDevices_cb _hidl_cb) override;
     76 
     77    private:
     78     std::mutex thermal_callback_mutex_;
     79     std::vector<CallbackSetting> callbacks_;
     80 };
     81 
     82 }  // namespace implementation
     83 }  // namespace V2_0
     84 }  // namespace thermal
     85 }  // namespace hardware
     86 }  // namespace android
     87 
     88 #endif  // ANDROID_HARDWARE_THERMAL_V2_0_THERMAL_H
     89