Add preference for marking items read on scroll

app/src/main/java/com/readrops/app/itemslist/MainActivity.java

@@ -444,6 +444,23 @@ public class MainActivity extends AppCompatActivity implements SwipeRefreshLayou
                 } else {
                     binding.addFeedFab.show();
                 }
+
+                int firstVisibleItemPosition = layoutManager.findFirstVisibleItemPosition();
+                if (firstVisibleItemPosition - 2 >= 0) {
+                    Item item = adapter.getItemWithFeed(firstVisibleItemPosition - 2).getItem();
+
+                    // Might be better to have a global variable updated when going back from settings
+                    if (!item.isRead() && SharedPreferencesManager.readBoolean(SharedPreferencesManager
+                            .SharedPrefKey.MARK_ITEMS_READ_ON_SCROLL)) {
+                        item.setRead(!item.isRead());
+
+                        viewModel.setItemReadState(item)
+                                .subscribeOn(Schedulers.io())
+                                .observeOn(AndroidSchedulers.mainThread())
+                                .doOnError(throwable -> Utils.showSnackbar(binding.mainRoot, throwable.getMessage()))
+                                .subscribe();
+                    }
+                }
             }
         });
     }

app/src/main/java/com/readrops/app/utils/SharedPreferencesManager.java

@@ -58,7 +58,8 @@ public final class SharedPreferencesManager {
         OPEN_ITEMS_IN("open_items_in", "0"),
         DARK_THEME("dark_theme", "false"),
         AUTO_SYNCHRO("auto_synchro", "0"),
-        HIDE_SHOW_FEEDS("show_hide_feeds", "true");
+        HIDE_SHOW_FEEDS("show_hide_feeds", "true"),
+        MARK_ITEMS_READ_ON_SCROLL("mark_items_read", false);
 
         @NonNull
         private String key;

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

@@ -141,5 +141,6 @@
     <string name="hide">Cacher</string>
     <string name="show">Afficher</string>
     <string name="show_hide_feeds">Afficher ou cacher les flux sans nouveaux items</string>
+    <string name="mark_items_read">Marquer les items comme lus pendant le défilement</string>
 
 </resources>

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

@@ -147,4 +147,5 @@
     <string name="hide">Hide</string>
     <string name="show">Show</string>
     <string name="show_hide_feeds">Show or hide feeds without new items</string>
+    <string name="mark_items_read">Mark items read on scroll</string>
 </resources>

app/src/main/res/xml/preferences.xml

@@ -43,6 +43,11 @@
             android:key="show_hide_feeds"
             android:title="@string/show_hide_feeds" />
 
+        <SwitchPreferenceCompat
+            android:defaultValue="false"
+            android:key="mark_items_read"
+            android:title="@string/mark_items_read" />
+
     </PreferenceCategory>