Fix-Peer Review Buttons not get disabled after voting an Image for deletion (commons-app#5519)

* Fix-Peer Review Buttons not get disabled after voting an Image for deletion

* Fix

Author: shashankiitbhu

app/src/main/java/fr/free/nrw/commons/delete/DeleteHelper.java

@@ -205,6 +205,8 @@ public void askReasonAndExecute(Media media,
         });
 
         alert.setPositiveButton(context.getString(R.string.ok), (dialogInterface, i) -> {
+            reviewCallback.disableButtons();
+
 
             String reason = getLocalizedResources(context, Locale.ENGLISH).getString(R.string.delete_helper_ask_alert_set_positive_button_reason) + " ";
 
@@ -229,6 +231,7 @@ public void askReasonAndExecute(Media media,
                     } else {
                         reviewCallback.onFailure();
                     }
+                    reviewCallback.enableButtons();
                 });
 
         });

app/src/main/java/fr/free/nrw/commons/review/ReviewController.java

@@ -191,5 +191,9 @@ public interface ReviewCallback {
         void onSuccess();
 
         void onFailure();
+
+        void disableButtons();
+
+        void enableButtons();
     }
 }

app/src/main/java/fr/free/nrw/commons/review/ReviewImageFragment.java

@@ -181,6 +181,24 @@ public void onSuccess() {
             public void onFailure() {
                 //do nothing
             }
+
+            /**
+             * This function is called when an image is being loaded
+             * to disable the review buttons
+             */
+            @Override
+            public void disableButtons() {
+                ReviewImageFragment.this.disableButtons();
+            }
+
+            /**
+             * This function is called when an image has
+             * been loaded to enable the review buttons.
+             */
+            @Override
+            public void enableButtons() {
+                ReviewImageFragment.this.enableButtons();
+            }
         };
     }