added ability to copy comments on long press

app/src/main/java/org/schabi/newpipe/info_list/holder/CommentsMiniInfoItemHolder.java

@@ -1,9 +1,16 @@
 package org.schabi.newpipe.info_list.holder;
 
-import androidx.appcompat.app.AppCompatActivity;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.preference.PreferenceManager;
 import android.text.util.Linkify;
+import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
 
 import org.jsoup.helper.StringUtil;
 import org.schabi.newpipe.R;
@@ -120,6 +127,26 @@ public class CommentsMiniInfoItemHolder extends InfoItemHolder {
                 itemBuilder.getOnCommentsSelectedListener().selected(item);
             }
         });
+
+        boolean copyCommentOnLongPress = PreferenceManager.getDefaultSharedPreferences(
+                                        itemBuilder.getContext()).getBoolean(itemBuilder.getContext().getString(R.string.copy_comment_long_press),
+                                        false);
+
+        if(copyCommentOnLongPress){
+
+            itemView.setOnLongClickListener(new View.OnLongClickListener() {
+                @Override
+                public boolean onLongClick(View view) {
+
+                    ClipboardManager clipboardManager = (ClipboardManager) itemBuilder.getContext().getSystemService(Context.CLIPBOARD_SERVICE);
+                    clipboardManager.setPrimaryClip(ClipData.newPlainText(null,itemContentView.getText()));
+                    Toast.makeText(itemBuilder.getContext(), R.string.msg_copied, Toast.LENGTH_SHORT).show();
+                    return true;
+
+                }
+            });
+
+        }
     }
 
     private void ellipsize() {

app/src/main/res/values/settings_keys.xml

@@ -159,6 +159,7 @@
     <string name="show_play_with_kodi_key" translatable="false">show_play_with_kodi</string>
     <string name="show_next_video_key" translatable="false">show_next_video</string>
     <string name="show_comments_key" translatable="false">show_comments</string>
+    <string name="copy_comment_long_press" translatable="false">copy_comment_long_press</string>
     <string name="stream_info_selected_tab_key" translatable="false">stream_info_selected_tab</string>
     <string name="show_hold_to_append_key" translatable="false">show_hold_to_append</string>
     <string name="default_language_value">en</string>

app/src/main/res/values/strings.xml

@@ -76,6 +76,7 @@
     <string name="download_thumbnail_title">Load thumbnails</string>
     <string name="show_comments_title">Show comments</string>
     <string name="show_comments_summary">Disable to stop showing comments</string>
+    <string name="copy_comment_long_press_title">Copy comment on long press</string>
     <string name="download_thumbnail_summary">Turn off to prevent loading thumbnails, saving data and memory usage. Changes clear both in-memory and on-disk image cache.</string>
     <string name="thumbnail_cache_wipe_complete_notice">Image cache wiped</string>
     <string name="metadata_cache_wipe_title">Wipe cached metadata</string>

app/src/main/res/xml/content_settings.xml

@@ -65,6 +65,12 @@
         android:title="@string/show_comments_title"
         android:summary="@string/show_comments_summary"/>
 
+    <SwitchPreference
+        app:iconSpaceReserved="false"
+        android:defaultValue="false"
+        android:key="@string/copy_comment_long_press"
+        android:title="@string/copy_comment_long_press_title"/>
+
     <Preference
         app:iconSpaceReserved="false"
         android:summary="@string/import_data_summary"