content: /*
   * Copyright (C) 2015-2023 Emanuel Moecklin
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.onegravity.rteditor.media.choose;
  
  import android.content.Intent;
  import android.net.Uri;
  import android.os.Build;
  import android.os.Bundle;
  import android.os.Environment;
  import android.provider.MediaStore;
  import androidx.core.content.FileProvider;
  import android.util.Log;
  import android.widget.Toast;
  
  import com.onegravity.rteditor.R;
  import com.onegravity.rteditor.api.RTMediaFactory;
  import com.onegravity.rteditor.api.media.RTAudio;
  import com.onegravity.rteditor.api.media.RTImage;
  import com.onegravity.rteditor.api.media.RTVideo;
  import com.onegravity.rteditor.media.MediaUtils;
  import com.onegravity.rteditor.media.MonitoredActivity;
  import com.onegravity.rteditor.media.choose.processor.ImageProcessor;
  import com.onegravity.rteditor.media.choose.processor.ImageProcessor.ImageProcessorListener;
  import com.onegravity.rteditor.utils.Constants.MediaAction;
  
  import java.io.File;
  
  class ImageChooserManager extends MediaChooserManager implements ImageProcessorListener {
  
      public interface ImageChooserListener extends MediaChooserListener {
          /**
           * Callback method to inform the caller that an image file has been processed
           */
          public void onImageChosen(RTImage image);
      }
  
      private static final String CAPTURED_IMAGE_TEMPLATE = "CAPTURED_IMAGE.jpeg";
  
      private ImageChooserListener mListener;
  
      ImageChooserManager(MonitoredActivity activity, MediaAction mediaAction,
                          RTMediaFactory<RTImage, RTAudio, RTVideo> mediaFactory,
                          ImageChooserListener listener, Bundle savedInstanceState) {
  
          super(activity, mediaAction, mediaFactory, listener, savedInstanceState);
  
          mListener = listener;
      }
  
      @SuppressWarnings("incomplete-switch")
      @Override
      boolean chooseMedia() throws IllegalArgumentException {
          if (mListener == null) {
              throw new IllegalArgumentException("ImageChooserListener cannot be null");
          }
          switch (mMediaAction) {
              case PICK_PICTURE:
                  return pickPicture();
              case CAPTURE_PICTURE:
                  return takePicture();
          }
          return false;
      }
  
      private boolean pickPicture() {
          Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null)
                  .addCategory(Intent.CATEGORY_OPENABLE)
                  .setType("image/*");
          String title = mActivity.getString(R.string.rte_pick_image);
          startActivity(Intent.createChooser(intent, title));
          return true;
      }
  
      // TODO: on Android M we need to ask the WRITE_EXTERNAL_STORAGE permission explicitly
      private boolean takePicture() {
          try {
              // Create an image file name (must be in "public area" or the camera app might not be able to access the file)
              File imagePath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
              File imageFile = MediaUtils.createUniqueFile(imagePath, CAPTURED_IMAGE_TEMPLATE, false);
              imagePath.mkdirs();
              if (imagePath.exists() && imageFile.createNewFile()) {
                  setOriginalFile(imageFile.getAbsolutePath());
                  Uri uriForCamera;
  
                  if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
                      // There are compatibility issues with FileProvider Uris on lower versions
                      uriForCamera = Uri.fromFile(imageFile);
                  } else {
                      uriForCamera = FileProvider.getUriForFile(mActivity, mActivity.getPackageName() + ".provider", imageFile);
                  }
                  Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE)
                          .putExtra(MediaStore.EXTRA_OUTPUT, uriForCamera);
                  startActivity(intent);
              } else {
                  Toast.makeText(mActivity, "Can't take picture without an sdcard", Toast.LENGTH_SHORT).show();
                  return false;
              }
          } catch (Exception e) {
              Log.e(getClass().getSimpleName(), e.getMessage(), e);
          }
          return true;
      }
  
      @SuppressWarnings("incomplete-switch")
      @Override
      void processMedia(MediaAction mediaAction, Intent data) {
          switch (mediaAction) {
  
              case PICK_PICTURE: {
                  String originalFile = determineOriginalFile(data);
                  if (originalFile != null) {
                      ImageProcessor processor = new ImageProcessor(originalFile, mMediaFactory, this);
                      startBackgroundJob(processor);
                  }
                  break;
              }
  
              case CAPTURE_PICTURE: {
                  String originalFile = getOriginalFile();
                  if (originalFile != null) {
                      ImageProcessor processor = new ImageProcessor(originalFile, mMediaFactory, this);
                      startBackgroundJob(processor);
                  }
                  break;
              }
  
          }
      }
  
      @Override
      /* ImageProcessorListener */
      public void onImageProcessed(RTImage image) {
          if (mListener != null) {
              mListener.onImageChosen(image);
          }
      }
  
  }