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      1 /*
      2  * Copyright (C) 2010 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_SENSOR_RECORD_H
     18 #define ANDROID_SENSOR_RECORD_H
     19 
     20 #include "SensorService.h"
     21 
     22 namespace android {
     23 
     24 class SensorService;
     25 
     26 class SensorService::SensorRecord {
     27 public:
     28     SensorRecord(const sp<SensorEventConnection>& connection);
     29     bool addConnection(const sp<SensorEventConnection>& connection);
     30     bool removeConnection(const wp<SensorEventConnection>& connection);
     31     size_t getNumConnections() const { return mConnections.size(); }
     32 
     33     void addPendingFlushConnection(const sp<SensorEventConnection>& connection);
     34     void removeFirstPendingFlushConnection();
     35     SensorEventConnection * getFirstPendingFlushConnection();
     36     void clearAllPendingFlushConnections();
     37 private:
     38     SortedVector< wp<SensorEventConnection> > mConnections;
     39     // A queue of all flush() calls made on this sensor. Flush complete events
     40     // will be sent in this order.
     41     Vector< wp<SensorEventConnection> > mPendingFlushConnections;
     42 };
     43 
     44 }
     45 
     46 #endif // ANDROID_SENSOR_RECORD_H
     47