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      1 /*
      2  * Copyright (C) 2014 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 package com.android.camera.one.v2.autofocus;
     18 
     19 import android.graphics.PointF;
     20 
     21 import com.android.camera.async.Updatable;
     22 import com.android.camera.one.Settings3A;
     23 
     24 /**
     25  * A ManualAutoFocus implementation which updates metering parameters and runs
     26  * an AF Scan.
     27  */
     28 class ManualAutoFocusImpl implements ManualAutoFocus {
     29     private final Updatable<MeteringParameters> mMeteringParameters;
     30     private final Runnable mAFScanRunnable;
     31     private final int mSensorOrientation;
     32     private final Settings3A mSettings3A;
     33 
     34     public ManualAutoFocusImpl(Updatable<MeteringParameters> meteringParameters,
     35             Runnable afScanRunnable,
     36             int sensorOrientation,
     37             Settings3A settings3A) {
     38         mMeteringParameters = meteringParameters;
     39         mAFScanRunnable = afScanRunnable;
     40         mSensorOrientation = sensorOrientation;
     41         mSettings3A = settings3A;
     42     }
     43 
     44     @Override
     45     public void triggerFocusAndMeterAtPoint(float nx, float ny) {
     46         PointF point = new PointF(nx, ny);
     47         mMeteringParameters.update(PointMeteringParameters.createForNormalizedCoordinates(
     48                 point /* afPoint */, point /* aePoint */, mSensorOrientation, mSettings3A));
     49         mAFScanRunnable.run();
     50     }
     51 }
     52