Home | History | Annotate | Download | only in sensorservice
      1 /*
      2  * Copyright (C) 2012 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 #include <stdint.h>
     18 #include <sys/types.h>
     19 
     20 #include <binder/IBatteryStats.h>
     21 #include <utils/Singleton.h>
     22 
     23 namespace android {
     24 // ---------------------------------------------------------------------------
     25 
     26 class BatteryService : public Singleton<BatteryService> {
     27 
     28     friend class Singleton<BatteryService>;
     29     sp<IBatteryStats> mBatteryStatService;
     30 
     31     BatteryService();
     32 
     33     void enableSensorImpl(uid_t uid, int handle);
     34     void disableSensorImpl(uid_t uid, int handle);
     35     void cleanupImpl(uid_t uid);
     36 
     37     struct Info {
     38         uid_t uid;
     39         int handle;
     40         int32_t count;
     41         Info()  : uid(0), handle(0), count(0) { }
     42         Info(uid_t uid, int handle) : uid(uid), handle(handle), count(0) { }
     43         bool operator < (const Info& rhs) const {
     44             return (uid == rhs.uid) ? (handle < rhs.handle) :  (uid < rhs.uid);
     45         }
     46     };
     47 
     48     Mutex mActivationsLock;
     49     SortedVector<Info> mActivations;
     50     bool addSensor(uid_t uid, int handle);
     51     bool removeSensor(uid_t uid, int handle);
     52 
     53 public:
     54     static void enableSensor(uid_t uid, int handle) {
     55         BatteryService::getInstance().enableSensorImpl(uid, handle);
     56     }
     57     static void disableSensor(uid_t uid, int handle) {
     58         BatteryService::getInstance().disableSensorImpl(uid, handle);
     59     }
     60     static void cleanup(uid_t uid) {
     61         BatteryService::getInstance().cleanupImpl(uid);
     62     }
     63 };
     64 
     65 // ---------------------------------------------------------------------------
     66 }; // namespace android
     67 
     68