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      1 /*
      2  * Copyright (C) 2016 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 package com.android.cts.verifier.sensors.sixdof.Utils.PoseProvider;
     17 
     18 import android.content.Context;
     19 
     20 /**
     21  * Base class for objects that provide pose data to the app.
     22  */
     23 public abstract class PoseProvider {
     24     protected Context mContext;
     25     protected PoseProviderListener mPoseProviderListener;
     26 
     27     protected PoseData mLatestPoseData;
     28     protected Intrinsics mIntrinsics;
     29 
     30     public static final Object POSE_LOCK = new Object();
     31 
     32     public interface PoseProviderListener {
     33         void onSetupComplete();
     34 
     35         void onNewPoseData(PoseData newPoseData);
     36     }
     37 
     38     public PoseProvider(Context context, PoseProviderListener listener) {
     39         mContext = context;
     40         mPoseProviderListener = listener;
     41     }
     42 
     43     public abstract void onStartPoseProviding();
     44 
     45     public abstract void onStopPoseProviding();
     46 
     47     public abstract void setup();
     48 
     49     protected void onNewPoseData(PoseData newPoseData){
     50         if (mPoseProviderListener != null) {
     51             mPoseProviderListener.onNewPoseData(newPoseData);
     52         }
     53     }
     54 
     55     public PoseData getLatestPoseData() {
     56         synchronized (POSE_LOCK) {
     57             return mLatestPoseData;
     58         }
     59     }
     60 
     61     public Intrinsics getIntrinsics() {
     62         return mIntrinsics;
     63     }
     64 }
     65