Fixes #3886

app/src/main/java/com/amaze/filemanager/adapters/RecyclerAdapter.java

@@ -47,8 +47,10 @@
 import com.amaze.filemanager.adapters.holders.SpecialViewHolder;
 import com.amaze.filemanager.application.AppConfig;
 import com.amaze.filemanager.fileoperations.filesystem.OpenMode;
+import com.amaze.filemanager.filesystem.PasteHelper;
 import com.amaze.filemanager.filesystem.files.CryptUtil;
 import com.amaze.filemanager.ui.ItemPopupMenu;
+import com.amaze.filemanager.ui.activities.MainActivity;
 import com.amaze.filemanager.ui.activities.superclasses.PreferenceActivity;
 import com.amaze.filemanager.ui.colors.ColorUtils;
 import com.amaze.filemanager.ui.drag.RecyclerAdapterDragListener;
@@ -62,6 +64,7 @@
 import com.amaze.filemanager.ui.views.CircleGradientDrawable;
 import com.amaze.filemanager.utils.AnimUtils;
 import com.amaze.filemanager.utils.GlideConstants;
+import com.amaze.filemanager.utils.MainActivityActionMode;
 import com.amaze.filemanager.utils.Utils;
 import com.bumptech.glide.integration.recyclerview.RecyclerViewPreloader;
 import com.bumptech.glide.load.DataSource;
@@ -85,6 +88,7 @@
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.widget.PopupMenu;
+import android.widget.Toast;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.NonNull;
@@ -763,6 +767,7 @@ private void bindViewHolderList(@NonNull final ItemViewHolder holder, int positi
 
     holder.baseItemView.setOnLongClickListener(
         p1 -> {
+          if (hasPendingPasteOperation()) return false;
           if (!isBackButton) {
             if (dragAndDropPreference == PreferencesConstants.PREFERENCE_DRAG_DEFAULT
                 || (dragAndDropPreference == PreferencesConstants.PREFERENCE_DRAG_TO_MOVE_COPY
@@ -976,6 +981,7 @@ private void bindViewHolderGrid(@NonNull final ItemViewHolder holder, int positi
 
     holder.baseItemView.setOnLongClickListener(
         p1 -> {
+          if (hasPendingPasteOperation()) return false;
           if (!isBackButton) {
             if (dragAndDropPreference == PreferencesConstants.PREFERENCE_DRAG_DEFAULT
                 || (dragAndDropPreference == PreferencesConstants.PREFERENCE_DRAG_TO_MOVE_COPY
@@ -1366,6 +1372,7 @@ public boolean onResourceReady(
   }
 
   private void showPopup(@NonNull View view, @NonNull final LayoutElementParcelable rowItem) {
+    if (hasPendingPasteOperation()) return;
     Context currentContext = this.context;
     if (mainFragment.getMainActivity().getAppTheme().getSimpleTheme(mainFragment.requireContext())
         == AppTheme.BLACK) {
@@ -1428,6 +1435,31 @@ private void showPopup(@NonNull View view, @NonNull final LayoutElementParcelabl
     popupMenu.show();
   }
 
+  /**
+   * Helps in deciding whether to allow file modification or not, depending on the state of the
+   * copy/paste operation.
+   *
+   * @return true if there is an unfinished copy/paste operation, false otherwise.
+   */
+  private boolean hasPendingPasteOperation() {
+    MainActivity mainActivity = mainFragment.getMainActivity();
+    if (mainActivity == null) return false;
+    MainActivityActionMode mainActivityActionMode = mainActivity.mainActivityActionMode;
+    PasteHelper pasteHelper = mainActivityActionMode.getPasteHelper();
+
+    if (pasteHelper != null
+        && pasteHelper.getSnackbar() != null
+        && pasteHelper.getSnackbar().isShown()) {
+      Toast.makeText(
+              mainFragment.requireContext(),
+              mainFragment.getString(R.string.complete_paste_warning),
+              Toast.LENGTH_LONG)
+          .show();
+      return true;
+    }
+    return false;
+  }
+
   private boolean getBoolean(String key) {
     return preferenceActivity.getBoolean(key);
   }

app/src/main/java/com/amaze/filemanager/asynchronous/asynctasks/movecopy/MoveFiles.java

@@ -47,7 +47,7 @@
 /**
  * AsyncTask that moves files from source to destination by trying to rename files first, if they're
  * in the same filesystem, else starting the copy service. Be advised - do not start this AsyncTask
- * directly but use {@link PrepareCopyTask} instead
+ * directly but use {@link PreparePasteTask} instead
  */
 public class MoveFiles implements Callable<MoveFilesReturn> {