Handle thumbnail generation for invalid local path

Signed-off-by: alperozturk <alper_ozturk@proton.me>

app/src/main/java/com/owncloud/android/ui/adapter/UploadListAdapter.java

@@ -485,9 +485,8 @@ public class UploadListAdapter extends SectionedRecyclerViewAdapter<SectionedVie
             && fakeFileToCheatThumbnailsCacheManagerInterface.getRemoteId() != null &&
             item.getUploadStatus() == UploadStatus.UPLOAD_SUCCEEDED) {
             // Thumbnail in Cache?
-            Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
-                String.valueOf(fakeFileToCheatThumbnailsCacheManagerInterface.getRemoteId())
-                                                                            );
+            Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(String.valueOf(fakeFileToCheatThumbnailsCacheManagerInterface.getRemoteId()));
+
             if (thumbnail != null && !fakeFileToCheatThumbnailsCacheManagerInterface.isUpdateThumbnailNeeded()) {
                 itemViewHolder.binding.thumbnail.setImageBitmap(thumbnail);
             } else {
@@ -520,47 +519,51 @@ public class UploadListAdapter extends SectionedRecyclerViewAdapter<SectionedVie
             }
 
             if ("image/png".equals(item.getMimeType())) {
-                itemViewHolder.binding.thumbnail.setBackgroundColor(parentActivity.getResources()
-                                                                        .getColor(R.color.bg_default));
+                itemViewHolder.binding.thumbnail.setBackgroundColor(parentActivity.getResources().getColor(R.color.bg_default));
             }
-
-
         } else if (MimeTypeUtil.isImage(fakeFileToCheatThumbnailsCacheManagerInterface)) {
             File file = new File(item.getLocalPath());
-            // Thumbnail in Cache?
-            Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
-                String.valueOf(file.hashCode()));
+            Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(String.valueOf(file.hashCode()));
+
             if (thumbnail != null) {
                 itemViewHolder.binding.thumbnail.setImageBitmap(thumbnail);
-            } else {
-                // generate new Thumbnail
-                if (allowedToCreateNewThumbnail) {
-                    final ThumbnailsCacheManager.ThumbnailGenerationTask task =
-                        new ThumbnailsCacheManager.ThumbnailGenerationTask(itemViewHolder.binding.thumbnail);
+            } else if (allowedToCreateNewThumbnail) {
+                getThumbnailFromFileTypeAndSetIcon(item.getLocalPath(), itemViewHolder);
+
+                final ThumbnailsCacheManager.ThumbnailGenerationTask task =
+                    new ThumbnailsCacheManager.ThumbnailGenerationTask(itemViewHolder.binding.thumbnail);
+
+                if (MimeTypeUtil.isVideo(file)) {
+                    thumbnail = ThumbnailsCacheManager.mDefaultVideo;
+                } else {
+                    thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                }
+
+                final ThumbnailsCacheManager.AsyncThumbnailDrawable asyncDrawable =
+                    new ThumbnailsCacheManager.AsyncThumbnailDrawable(parentActivity.getResources(), thumbnail,
+                                                                      task);
 
-                    if (MimeTypeUtil.isVideo(file)) {
-                        thumbnail = ThumbnailsCacheManager.mDefaultVideo;
-                    } else {
-                        thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                task.execute(new ThumbnailsCacheManager.ThumbnailGenerationTaskObject(file, null));
+                task.setListener(new ThumbnailsCacheManager.ThumbnailGenerationTask.Listener() {
+                    @Override
+                    public void onSuccess() {
+                        itemViewHolder.binding.thumbnail.setImageDrawable(asyncDrawable);
                     }
 
-                    final ThumbnailsCacheManager.AsyncThumbnailDrawable asyncDrawable =
-                        new ThumbnailsCacheManager.AsyncThumbnailDrawable(parentActivity.getResources(), thumbnail,
-                                                                          task);
+                    @Override
+                    public void onError() {
+                        getThumbnailFromFileTypeAndSetIcon(item.getLocalPath(), itemViewHolder);
+                    }
+                });
 
-                    itemViewHolder.binding.thumbnail.setImageDrawable(asyncDrawable);
-                    task.execute(new ThumbnailsCacheManager.ThumbnailGenerationTaskObject(file, null));
-                    Log_OC.v(TAG, "Executing task to generate a new thumbnail");
-                }
+                Log_OC.v(TAG, "Executing task to generate a new thumbnail");
             }
 
             if ("image/png".equalsIgnoreCase(item.getMimeType())) {
-                itemViewHolder.binding.thumbnail.setBackgroundColor(parentActivity.getResources()
-                                                                        .getColor(R.color.bg_default));
+                itemViewHolder.binding.thumbnail.setBackgroundColor(parentActivity.getResources().getColor(R.color.bg_default));
             }
         } else {
             if (optionalUser.isPresent()) {
-                final User user = optionalUser.get();
                 final Drawable icon = MimeTypeUtil.getFileTypeIcon(item.getMimeType(),
                                                                    fileName,
                                                                    parentActivity,
@@ -570,6 +573,12 @@ public class UploadListAdapter extends SectionedRecyclerViewAdapter<SectionedVie
         }
     }
 
+    private void getThumbnailFromFileTypeAndSetIcon(String localPath, ItemViewHolder itemViewHolder) {
+        Drawable drawable = MimeTypeUtil.getIcon(localPath, parentActivity, viewThemeUtils);
+        if (drawable == null) return;
+        itemViewHolder.binding.thumbnail.setImageDrawable(drawable);
+    }
+
     private boolean checkAndOpenConflictResolutionDialog(User user,
                                                          ItemViewHolder itemViewHolder,
                                                          OCUpload item,

app/src/main/java/com/owncloud/android/utils/MimeTypeUtil.java

@@ -17,6 +17,7 @@ import android.net.Uri;
 import android.webkit.MimeTypeMap;
 
 import com.nextcloud.android.common.ui.theme.utils.ColorRole;
+import com.nextcloud.utils.autoRename.AutoRename;
 import com.owncloud.android.R;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.lib.resources.files.model.ServerFileInterface;
@@ -106,6 +107,23 @@ public final class MimeTypeUtil {
         }
     }
 
+    public static Drawable getIcon(String localPath, Context context, ViewThemeUtils viewThemeUtils) {
+        if (context == null) return null;
+
+        String mimeType = getMimeTypeFromPath(localPath);
+        List<String> possibleMimeTypes = Collections.singletonList(mimeType);
+        int iconId = determineIconIdByMimeTypeList(possibleMimeTypes);
+
+        Drawable result = ContextCompat.getDrawable(context, iconId);
+        if (result == null) return null;
+
+        if (R.drawable.file_zip == iconId) {
+            viewThemeUtils.platform.tintDrawable(context, result, ColorRole.PRIMARY);
+        }
+
+        return result;
+    }
+
     /**
      * Returns the resource identifier of an image to use as icon associated to a known MIME type.
      *
@@ -317,6 +335,7 @@ public final class MimeTypeUtil {
      * @return the file's mime type
      */
     private static String extractMimeType(File file) {
+        file = new File(file.getName().trim());
         Uri selectedUri = Uri.fromFile(file);
         String fileExtension = MimeTypeMap.getFileExtensionFromUrl(selectedUri.toString().toLowerCase(Locale.ROOT));
         return MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension);