convert PhotoFragment to kotlin

app/src/main/java/com/simplemobiletools/gallery/fragments/PhotoFragment.java

@@ -1,79 +0,0 @@
-package com.simplemobiletools.gallery.fragments;
-
-import android.net.Uri;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-
-import com.bumptech.glide.Glide;
-import com.bumptech.glide.load.engine.DiskCacheStrategy;
-import com.davemorrissey.labs.subscaleview.ImageSource;
-import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView;
-import com.simplemobiletools.gallery.Constants;
-import com.simplemobiletools.gallery.R;
-import com.simplemobiletools.gallery.Utils;
-import com.simplemobiletools.gallery.models.Medium;
-
-public class PhotoFragment extends ViewPagerFragment implements View.OnClickListener {
-    private SubsamplingScaleImageView mSubsamplingView;
-    private Medium mMedium;
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        final View view = inflater.inflate(R.layout.pager_photo_item, container, false);
-
-        mMedium = (Medium) getArguments().getSerializable(Constants.MEDIUM);
-        if (mMedium.getPath().startsWith("content://"))
-            mMedium.setPath(Utils.Companion.getRealPathFromURI(getContext(), Uri.parse(mMedium.getPath())));
-
-        if (mMedium == null)
-            return view;
-
-        mSubsamplingView = (SubsamplingScaleImageView) view.findViewById(R.id.photo_view);
-        if (mMedium.isGif()) {
-            mSubsamplingView.setVisibility(View.GONE);
-            final ImageView imageView = (ImageView) view.findViewById(R.id.gif_view);
-            imageView.setVisibility(View.VISIBLE);
-            Glide.with(getContext()).load(mMedium.getPath()).asGif().diskCacheStrategy(DiskCacheStrategy.NONE).into(imageView);
-            imageView.setOnClickListener(this);
-        } else {
-            mSubsamplingView.setDoubleTapZoomScale(1.2f);
-            mSubsamplingView.setOrientation(SubsamplingScaleImageView.ORIENTATION_USE_EXIF);
-            mSubsamplingView.setImage(ImageSource.uri(mMedium.getPath()));
-            mSubsamplingView.setMaxScale(4f);
-            mSubsamplingView.setMinimumTileDpi(200);
-            mSubsamplingView.setOnClickListener(this);
-        }
-
-        return view;
-    }
-
-    @Override
-    public void itemDragged() {
-
-    }
-
-    @Override
-    public void systemUiVisibilityChanged(boolean toFullscreen) {
-
-    }
-
-    @Override
-    public void updateItem() {
-        mSubsamplingView.setImage(ImageSource.uri(mMedium.getPath()));
-    }
-
-    @Override
-    public void onClick(View v) {
-        photoClicked();
-    }
-
-    private void photoClicked() {
-        if (mListener == null)
-            mListener = (FragmentClickListener) getActivity();
-
-        mListener.fragmentClicked();
-    }
-}

app/src/main/kotlin/com/simplemobiletools/gallery/Utils.kt

@@ -4,10 +4,8 @@ import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.content.res.Resources
-import android.database.Cursor
 import android.net.Uri
 import android.os.Build
-import android.provider.MediaStore
 import android.util.DisplayMetrics
 import android.util.TypedValue
 import android.view.KeyCharacterMap
@@ -98,19 +96,6 @@ class Utils {
             activity.startActivity(Intent.createChooser(intent, shareTitle))
         }
 
-        fun getRealPathFromURI(context: Context, uri: Uri): String? {
-            var cursor: Cursor? = null
-            try {
-                val projection = arrayOf(MediaStore.Images.Media.DATA)
-                cursor = context.contentResolver.query(uri, projection, null, null, null)
-                val index = cursor!!.getColumnIndexOrThrow(MediaStore.Images.Media.DATA)
-                cursor.moveToFirst()
-                return cursor.getString(index)
-            } finally {
-                cursor?.close()
-            }
-        }
-
         fun isAStorageRootFolder(context: Context, path: String) = context.isAStorageRootFolder(path)
 
         fun isPhotoVideo(file: File) = file.isPhotoVideo()

app/src/main/kotlin/com/simplemobiletools/gallery/activities/EditActivity.kt

@@ -12,8 +12,8 @@ import com.simplemobiletools.filepicker.extensions.needsStupidWritePermissions
 import com.simplemobiletools.filepicker.extensions.scanPath
 import com.simplemobiletools.filepicker.extensions.toast
 import com.simplemobiletools.gallery.R
-import com.simplemobiletools.gallery.Utils
 import com.simplemobiletools.gallery.dialogs.SaveAsDialog
+import com.simplemobiletools.gallery.extensions.getRealPathFromURI
 import com.theartofdev.edmodo.cropper.CropImageView
 import kotlinx.android.synthetic.main.activity_edit.*
 import java.io.File
@@ -80,7 +80,7 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
                     }
                 })
             } else if (uri.scheme == "content") {
-                val newPath = Utils.getRealPathFromURI(applicationContext, uri) ?: ""
+                val newPath = applicationContext.getRealPathFromURI(uri) ?: ""
                 if (!newPath.isEmpty()) {
                     SaveAsDialog(this, newPath, object : SaveAsDialog.OnSaveAsListener {
                         override fun onSaveAsSuccess(filename: String) {

app/src/main/kotlin/com/simplemobiletools/gallery/extensions/context.kt

@@ -0,0 +1,19 @@
+package com.simplemobiletools.gallery.extensions
+
+import android.content.Context
+import android.database.Cursor
+import android.net.Uri
+import android.provider.MediaStore
+
+fun Context.getRealPathFromURI(uri: Uri): String? {
+    var cursor: Cursor? = null
+    try {
+        val projection = arrayOf(MediaStore.Images.Media.DATA)
+        cursor = contentResolver.query(uri, projection, null, null, null)
+        val index = cursor!!.getColumnIndexOrThrow(MediaStore.Images.Media.DATA)
+        cursor.moveToFirst()
+        return cursor.getString(index)
+    } finally {
+        cursor?.close()
+    }
+}

app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt

@@ -0,0 +1,71 @@
+package com.simplemobiletools.gallery.fragments
+
+import android.net.Uri
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.engine.DiskCacheStrategy
+import com.davemorrissey.labs.subscaleview.ImageSource
+import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
+import com.simplemobiletools.gallery.Constants
+import com.simplemobiletools.gallery.R
+import com.simplemobiletools.gallery.extensions.getRealPathFromURI
+import com.simplemobiletools.gallery.models.Medium
+import kotlinx.android.synthetic.main.pager_photo_item.view.*
+
+class PhotoFragment : ViewPagerFragment(), View.OnClickListener {
+    lateinit var subsamplingView: SubsamplingScaleImageView
+    lateinit var medium: Medium
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val view = inflater.inflate(R.layout.pager_photo_item, container, false)
+
+        medium = arguments.getSerializable(Constants.MEDIUM) as Medium
+        if (medium.path.startsWith("content://"))
+            medium.path = context.getRealPathFromURI(Uri.parse(medium.path)) ?: ""
+
+        subsamplingView = view.photo_view
+        if (medium.isGif) {
+            subsamplingView.visibility = View.GONE
+            view.gif_view.apply {
+                visibility = View.VISIBLE
+                Glide.with(context).load(medium.path).asGif().diskCacheStrategy(DiskCacheStrategy.NONE).into(this)
+                this.setOnClickListener(this@PhotoFragment)
+            }
+        } else {
+            subsamplingView.apply {
+                setDoubleTapZoomScale(1.2f)
+                orientation = SubsamplingScaleImageView.ORIENTATION_USE_EXIF
+                setImage(ImageSource.uri(medium.path))
+                maxScale = 4f
+                setMinimumTileDpi(200)
+                setOnClickListener(this@PhotoFragment)
+            }
+        }
+
+        return view
+    }
+
+    override fun itemDragged() {
+    }
+
+    override fun systemUiVisibilityChanged(toFullscreen: Boolean) {
+    }
+
+    override fun updateItem() {
+        subsamplingView.setImage(ImageSource.uri(medium.path))
+    }
+
+    override fun onClick(v: View) {
+        photoClicked()
+    }
+
+    private fun photoClicked() {
+        if (mListener == null)
+            mListener = activity as ViewPagerFragment.FragmentClickListener
+
+        mListener.fragmentClicked()
+    }
+}