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      1 /*
      2  * Copyright (C) 2015 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.photo;
     18 
     19 import android.hardware.camera2.CameraAccessException;
     20 
     21 import com.android.camera.async.Updatable;
     22 import com.android.camera.debug.Log;
     23 import com.android.camera.debug.Logger;
     24 import com.android.camera.one.OneCamera;
     25 import com.android.camera.one.v2.camera2proxy.CameraCaptureSessionClosedException;
     26 import com.android.camera.one.v2.core.ResourceAcquisitionFailedException;
     27 import com.android.camera.one.v2.imagesaver.ImageSaver;
     28 import com.google.common.base.Supplier;
     29 
     30 import javax.annotation.ParametersAreNonnullByDefault;
     31 
     32 @ParametersAreNonnullByDefault
     33 final class FlashBasedPhotoCommand implements ImageCaptureCommand {
     34     private final Logger mLog;
     35     private final Supplier<OneCamera.PhotoCaptureParameters.Flash> mFlashMode;
     36     private final ImageCaptureCommand mFlashOnCommand;
     37     private final ImageCaptureCommand mFlashAutoCommand;
     38     private final ImageCaptureCommand mFlashOffCommand;
     39 
     40     FlashBasedPhotoCommand(Logger.Factory logFactory,
     41             Supplier<OneCamera.PhotoCaptureParameters.Flash> flashMode,
     42             ImageCaptureCommand flashOnCommand,
     43             ImageCaptureCommand flashAutoCommand,
     44             ImageCaptureCommand flashOffCommand) {
     45         mLog = logFactory.create(new Log.Tag("FlashBasedPhotoCmd"));
     46         mFlashMode = flashMode;
     47         mFlashOnCommand = flashOnCommand;
     48         mFlashAutoCommand = flashAutoCommand;
     49         mFlashOffCommand = flashOffCommand;
     50     }
     51 
     52     @Override
     53     public void run(Updatable<Void> imageExposeCallback, ImageSaver imageSaver)
     54             throws InterruptedException, CameraAccessException,
     55             CameraCaptureSessionClosedException,
     56             ResourceAcquisitionFailedException {
     57         OneCamera.PhotoCaptureParameters.Flash flashMode = mFlashMode.get();
     58         if (flashMode == OneCamera.PhotoCaptureParameters.Flash.ON) {
     59             mLog.i("running flash-on command: " + mFlashOnCommand);
     60             mFlashOnCommand.run(imageExposeCallback, imageSaver);
     61         } else if (flashMode == OneCamera.PhotoCaptureParameters.Flash.AUTO) {
     62             mLog.i("running flash-auto command: " + mFlashAutoCommand);
     63             mFlashAutoCommand.run(imageExposeCallback, imageSaver);
     64         } else {
     65             mLog.i("running flash-off command: " + mFlashOffCommand);
     66             mFlashOffCommand.run(imageExposeCallback, imageSaver);
     67         }
     68     }
     69 }
     70