Add select all option in the contextual menu of the items list activity

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

@@ -83,6 +83,7 @@ public class MainActivity extends AppCompatActivity implements SwipeRefreshLayou
     private int feedCount;
     private int feedNb;
     private boolean scrollToTop;
+    private boolean allItemsSelected;
 
     private ActionMode actionMode;
 
@@ -247,29 +248,17 @@ public class MainActivity extends AppCompatActivity implements SwipeRefreshLayou
                     public boolean onActionItemClicked(ActionMode actionMode, MenuItem menuItem) {
                         switch (menuItem.getItemId()) {
                             case R.id.item_mark_read:
-                                viewModel.setItemsReadState(getIdsFromPositions(adapter.getSelection()), true)
-                                        .subscribeOn(Schedulers.io())
-                                        .observeOn(AndroidSchedulers.mainThread())
-                                        .doOnError(throwable -> Toast.makeText(getApplicationContext(),
-                                                "Error when updating in db", Toast.LENGTH_LONG).show())
-                                        .subscribe();
-                                adapter.updateSelection(true);
-
+                                setReadState(true, allItemsSelected);
                                 break;
                             case R.id.item_mark_unread:
-                                viewModel.setItemsReadState(getIdsFromPositions(adapter.getSelection()), false)
-                                        .subscribeOn(Schedulers.io())
-                                        .observeOn(AndroidSchedulers.mainThread())
-                                        .doOnError(throwable -> Toast.makeText(getApplicationContext(),
-                                                "Error when updating in db", Toast.LENGTH_LONG).show())
-                                        .subscribe();
-                                adapter.updateSelection(false);
-
+                                setReadState(false, allItemsSelected);
+                                break;
+                            case R.id.item_select_all:
+                                adapter.selectAll();
+                                allItemsSelected = true;
                                 break;
                         }
 
-                        updateDrawerFeeds();
-                        actionMode.finish();
                         return true;
                     }
 
@@ -366,6 +355,28 @@ public class MainActivity extends AppCompatActivity implements SwipeRefreshLayou
         });
     }
 
+    private void setReadState(boolean read, boolean allItems) {
+        if (allItems) {
+            viewModel.setAllItemsReadState(read)
+                    .subscribeOn(Schedulers.io())
+                    .observeOn(AndroidSchedulers.mainThread())
+                    .subscribe();
+
+            allItemsSelected = false;
+        } else {
+            viewModel.setItemsReadState(getIdsFromPositions(adapter.getSelection()), read)
+                    .subscribeOn(Schedulers.io())
+                    .observeOn(AndroidSchedulers.mainThread())
+                    .doOnError(throwable -> Toast.makeText(getApplicationContext(),
+                            "Error when updating in db", Toast.LENGTH_LONG).show())
+                    .subscribe();
+        }
+
+        adapter.updateSelection(read);
+        updateDrawerFeeds();
+        actionMode.finish();
+    }
+
     @Override
     public void onRefresh() {
         Log.d(TAG, "syncing started");

app/src/main/java/com/readrops/app/database/dao/ItemDao.java

@@ -31,12 +31,15 @@ public interface ItemDao {
 
     /**
      * Set an item read or unread
-     * @param itemId if of the item to update
+     * @param itemId id of the item to update
      * @param readState 1 for read, 0 for unread
      */
     @Query("Update Item set read = :readState Where id = :itemId")
     void setReadState(int itemId, int readState);
 
+    @Query("Update Item set read = :readState")
+    void setAllItemsReadState(int readState);
+
     @Query("Update Item set read_it_later = 1 Where id = :itemId")
     void setReadItLater(int itemId);
 

app/src/main/java/com/readrops/app/viewmodels/MainViewModel.java

@@ -150,6 +150,13 @@ public class MainViewModel extends AndroidViewModel {
         return Completable.concat(completableList);
     }
 
+    public Completable setAllItemsReadState(boolean read) {
+        return Completable.create(emitter -> {
+            db.itemDao().setAllItemsReadState(read ? 1 : 0);
+            emitter.onComplete();
+        });
+    }
+
     public Completable setItemReadItLater(int itemId) {
         return Completable.create(emitter -> {
             db.itemDao().setReadItLater(itemId);

app/src/main/java/com/readrops/app/views/MainItemListAdapter.java

@@ -195,6 +195,15 @@ public class MainItemListAdapter extends PagedListAdapter<ItemWithFeed, MainItem
         }
     }
 
+    public void selectAll() {
+        selection.clear();
+        for (int i = 0; i < getItemCount(); i++) {
+            selection.add(i);
+        }
+
+        notifyDataSetChanged();
+    }
+
     public ItemWithFeed getItemWithFeed(int i) {
         return getItem(i);
     }

app/src/main/res/menu/item_list_contextual_menu.xml

@@ -14,4 +14,9 @@
         android:icon="@drawable/ic_read"
         app:showAsAction="ifRoom" />
 
+    <item
+        android:id="@+id/item_select_all"
+        android:title="@string/select_all"
+        app:showAsAction="never" />
+
 </menu>

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

@@ -49,5 +49,6 @@
     </string-array>
     <string name="unread">Marquer comme non lu</string>
     <string name="read">Marquer comme lu</string>
+    <string name="select_all">Tout sélectionner</string>
 
 </resources>

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

@@ -51,4 +51,5 @@
     </string-array>
     <string name="unread">Mark as non read</string>
     <string name="read">Mark as read</string>
+    <string name="select_all">Select all</string>
 </resources>