Snackbar for recent search deletions (#1627)

* snackbar will be shown for recent search deletions

* the view from SearchActivityRecyclerViewAdapter causes crash in android 6 sometimes, so using appBarLayout instead.

---------

Co-authored-by: Docile-Alligator <25734209+Docile-Alligator@users.noreply.github.com>

3 files changed, 53 insertions, 5 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchActivity.java
index 37ef5cf3..a09d3b1a 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchActivity.java
@@ -1,6 +1,7 @@
 package ml.docilealligator.infinityforreddit.activities;
 
 import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.ColorStateList;
@@ -15,6 +16,11 @@ import android.view.KeyEvent;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -24,11 +30,13 @@ import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.snackbar.Snackbar;
 
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 
 import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.Executor;
 
 import javax.inject.Inject;
@@ -264,7 +272,21 @@ public class SearchActivity extends BaseActivity {
                     .setTitle(R.string.confirm)
                     .setMessage(R.string.confirm_delete_all_recent_searches)
                     .setPositiveButton(R.string.yes, (dialogInterface, i) -> {
-                        executor.execute(() -> mRedditDataRoomDatabase.recentSearchQueryDao().deleteAllRecentSearchQueries(accountName));
+                        hideKeyboard(true);
+                        executor.execute(() -> {
+                            List<RecentSearchQuery> deletedQueries = mRedditDataRoomDatabase.recentSearchQueryDao().getAllRecentSearchQueries(accountName);
+                            mRedditDataRoomDatabase.recentSearchQueryDao().deleteAllRecentSearchQueries(accountName);
+                            view.post(() -> Snackbar.make(view, R.string.deleted_all_recent_search, Snackbar.LENGTH_LONG)
+                                    .setAction(R.string.undo, v -> executor.execute(() -> mRedditDataRoomDatabase.recentSearchQueryDao().insertAll(deletedQueries)))
+                                    .addCallback(new Snackbar.Callback() {
+                                        @Override
+                                        public void onDismissed(Snackbar transientBottomBar, int event) {
+                                            super.onDismissed(transientBottomBar, event);
+                                            hideKeyboard(false);
+                                        }
+                                    })
+                                    .show());
+                        });
                     })
                     .setNegativeButton(R.string.no, null)
                     .show();
@@ -314,7 +336,20 @@ public class SearchActivity extends BaseActivity {
 
                 @Override
                 public void onDelete(RecentSearchQuery recentSearchQuery) {
-                    executor.execute(() -> mRedditDataRoomDatabase.recentSearchQueryDao().deleteRecentSearchQueries(recentSearchQuery));
+                    hideKeyboard(true);
+                    executor.execute(() -> {
+                        mRedditDataRoomDatabase.recentSearchQueryDao().deleteRecentSearchQueries(recentSearchQuery);
+                        Snackbar.make(appBarLayout, R.string.deleted_recent_search, Snackbar.LENGTH_SHORT)
+                                .setAction(R.string.undo, v -> executor.execute(() -> mRedditDataRoomDatabase.recentSearchQueryDao().insert(recentSearchQuery)))
+                                .addCallback(new Snackbar.Callback() {
+                                    @Override
+                                    public void onDismissed(Snackbar transientBottomBar, int event) {
+                                        super.onDismissed(transientBottomBar, event);
+                                        hideKeyboard(false);
+                                    }
+                                })
+                                .show();
+                    });
                 }
             });
             binding.recentSearchQueryRecyclerViewSearchActivity.setVisibility(View.VISIBLE);
@@ -359,6 +394,15 @@ public class SearchActivity extends BaseActivity {
         }
     }
 
+    private void hideKeyboard(Boolean hide) {
+        View view = this.getCurrentFocus();
+        if (view != null) {
+            InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+            if (hide) imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
+            else imm.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT);
+        }
+    }
+
     private void search(String query) {
         if (query.equalsIgnoreCase("suicide") && mSharedPreferences.getBoolean(SharedPreferencesUtils.SHOW_SUICIDE_PREVENTION_ACTIVITY, true)) {
             Intent intent = new Intent(this, SuicidePreventionActivity.class);
@@ -516,4 +560,4 @@ public class SearchActivity extends BaseActivity {
     public void onAccountSwitchEvent(SwitchAccountEvent event) {
         finish();
     }
-}
+}
\ No newline at end of file
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SearchActivityRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SearchActivityRecyclerViewAdapter.java
index 0761ed08..3cfdf2fb 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SearchActivityRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SearchActivityRecyclerViewAdapter.java
@@ -2,6 +2,7 @@ package ml.docilealligator.infinityforreddit.adapters;
 
 import android.content.res.ColorStateList;
 import android.view.LayoutInflater;
+import android.view.View;
 import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
@@ -125,4 +126,4 @@ public class SearchActivityRecyclerViewAdapter extends RecyclerView.Adapter<Recy
             });
         }
     }
-}
+}
\ No newline at end of file
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/recentsearchquery/RecentSearchQueryDao.java b/app/src/main/java/ml/docilealligator/infinityforreddit/recentsearchquery/RecentSearchQueryDao.java
index 407b5614..c4f46621 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/recentsearchquery/RecentSearchQueryDao.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/recentsearchquery/RecentSearchQueryDao.java
@@ -14,6 +14,9 @@ public interface RecentSearchQueryDao {
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     void insert(RecentSearchQuery recentSearchQuery);
 
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    void insertAll(List<RecentSearchQuery> recentSearchQueries);
+
     @Query("SELECT * FROM recent_search_queries WHERE username = :username ORDER BY time DESC")
     LiveData<List<RecentSearchQuery>> getAllRecentSearchQueriesLiveData(String username);
 
@@ -25,4 +28,4 @@ public interface RecentSearchQueryDao {
 
     @Delete
     void deleteRecentSearchQueries(RecentSearchQuery recentSearchQuery);
-}
+}
\ No newline at end of file