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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 #include "SensorRecord.h"
     18 
     19 #include "SensorEventConnection.h"
     20 
     21 namespace android {
     22 
     23 SensorService::SensorRecord::SensorRecord(
     24         const sp<SensorEventConnection>& connection)
     25 {
     26     mConnections.add(connection);
     27 }
     28 
     29 bool SensorService::SensorRecord::addConnection(
     30         const sp<SensorEventConnection>& connection)
     31 {
     32     if (mConnections.indexOf(connection) < 0) {
     33         mConnections.add(connection);
     34         return true;
     35     }
     36     return false;
     37 }
     38 
     39 bool SensorService::SensorRecord::removeConnection(
     40         const wp<SensorEventConnection>& connection)
     41 {
     42     ssize_t index = mConnections.indexOf(connection);
     43     if (index >= 0) {
     44         mConnections.removeItemsAt(index, 1);
     45     }
     46     // Remove this connections from the queue of flush() calls made on this sensor.
     47     for (Vector< wp<SensorEventConnection> >::iterator it = mPendingFlushConnections.begin();
     48             it != mPendingFlushConnections.end(); ) {
     49         if (it->unsafe_get() == connection.unsafe_get()) {
     50             it = mPendingFlushConnections.erase(it);
     51         } else {
     52             ++it;
     53         }
     54     }
     55     return mConnections.size() ? false : true;
     56 }
     57 
     58 void SensorService::SensorRecord::addPendingFlushConnection(
     59         const sp<SensorEventConnection>& connection) {
     60     mPendingFlushConnections.add(connection);
     61 }
     62 
     63 void SensorService::SensorRecord::removeFirstPendingFlushConnection() {
     64     if (mPendingFlushConnections.size() > 0) {
     65         mPendingFlushConnections.removeAt(0);
     66     }
     67 }
     68 
     69 SensorService::SensorEventConnection *
     70         SensorService::SensorRecord::getFirstPendingFlushConnection() {
     71     if (mPendingFlushConnections.size() > 0) {
     72         return mPendingFlushConnections[0].unsafe_get();
     73     }
     74     return NULL;
     75 }
     76 
     77 void SensorService::SensorRecord::clearAllPendingFlushConnections() {
     78     mPendingFlushConnections.clear();
     79 }
     80 
     81 } // namespace android
     82