From 06fdd12f0c24e569a82b664ea47ab2b7ba1e65ee Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Wed, 28 Oct 2020 10:25:25 +0800
Subject: Deleting search history is now available.

---
 .../infinityforreddit/Activity/SearchActivity.java | 14 ++++++-
 .../Adapter/SearchActivityRecyclerViewAdapter.java | 11 ++++++
 .../RecentSearchQuery/DeleteRecentSearchQuery.java | 44 ++++++++++++++++++++++
 .../main/res/layout/item_recent_search_query.xml   | 13 ++++++-
 4 files changed, 80 insertions(+), 2 deletions(-)
 create mode 100644 app/src/main/java/ml/docilealligator/infinityforreddit/RecentSearchQuery/DeleteRecentSearchQuery.java

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchActivity.java
index cd1989e2..69c637e9 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchActivity.java
@@ -39,6 +39,8 @@ import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.Event.SwitchAccountEvent;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.RecentSearchQuery.DeleteRecentSearchQuery;
+import ml.docilealligator.infinityforreddit.RecentSearchQuery.RecentSearchQuery;
 import ml.docilealligator.infinityforreddit.RecentSearchQuery.RecentSearchQueryViewModel;
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
@@ -213,7 +215,17 @@ public class SearchActivity extends BaseActivity {
 
     private void bindView() {
         if (mAccountName != null) {
-            adapter = new SearchActivityRecyclerViewAdapter(this, mCustomThemeWrapper, this::search);
+            adapter = new SearchActivityRecyclerViewAdapter(this, mCustomThemeWrapper, new SearchActivityRecyclerViewAdapter.ItemOnClickListener() {
+                @Override
+                public void onClick(String query) {
+                    search(query);
+                }
+
+                @Override
+                public void onDelete(RecentSearchQuery recentSearchQuery) {
+                    DeleteRecentSearchQuery.deleteRecentSearchQueryListener(mRedditDataRoomDatabase, recentSearchQuery, () -> {});
+                }
+            });
             recyclerView.setNestedScrollingEnabled(false);
             recyclerView.setLayoutManager(new LinearLayoutManager(this));
             recyclerView.setAdapter(adapter);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/SearchActivityRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/SearchActivityRecyclerViewAdapter.java
index 08a5fc21..75c22934 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/SearchActivityRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/SearchActivityRecyclerViewAdapter.java
@@ -5,6 +5,7 @@ import android.graphics.drawable.Drawable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
@@ -23,16 +24,19 @@ public class SearchActivityRecyclerViewAdapter extends RecyclerView.Adapter<Recy
     private List<RecentSearchQuery> recentSearchQueries;
     private int primaryTextColor;
     private Drawable historyIcon;
+    private Drawable deleteIcon;
     private ItemOnClickListener itemOnClickListener;
 
     public interface ItemOnClickListener {
         void onClick(String query);
+        void onDelete(RecentSearchQuery recentSearchQuery);
     }
 
     public SearchActivityRecyclerViewAdapter(Activity activity, CustomThemeWrapper customThemeWrapper,
                                              ItemOnClickListener itemOnClickListener) {
         this.primaryTextColor = customThemeWrapper.getPrimaryTextColor();
         this.historyIcon = Utils.getTintedDrawable(activity, R.drawable.ic_history_24dp, customThemeWrapper.getPrimaryIconColor());
+        this.deleteIcon = Utils.getTintedDrawable(activity, R.drawable.ic_delete_24dp, customThemeWrapper.getPrimaryIconColor());
         this.itemOnClickListener = itemOnClickListener;
     }
 
@@ -64,6 +68,8 @@ public class SearchActivityRecyclerViewAdapter extends RecyclerView.Adapter<Recy
     class RecentSearchQueryViewHolder extends RecyclerView.ViewHolder {
         @BindView(R.id.recent_search_query_text_view_item_recent_search_query)
         TextView recentSearchQueryTextView;
+        @BindView(R.id.delete_image_view_item_recent_search_query)
+        ImageView deleteImageView;
 
         public RecentSearchQueryViewHolder(@NonNull View itemView) {
             super(itemView);
@@ -72,12 +78,17 @@ public class SearchActivityRecyclerViewAdapter extends RecyclerView.Adapter<Recy
 
             recentSearchQueryTextView.setTextColor(primaryTextColor);
             recentSearchQueryTextView.setCompoundDrawablesWithIntrinsicBounds(historyIcon, null, null, null);
+            deleteImageView.setImageDrawable(deleteIcon);
 
             itemView.setOnClickListener(view -> {
                 if (recentSearchQueries != null && !recentSearchQueries.isEmpty()) {
                     itemOnClickListener.onClick(recentSearchQueries.get(getAdapterPosition()).getSearchQuery());
                 }
             });
+
+            deleteImageView.setOnClickListener(view -> {
+                itemOnClickListener.onDelete(recentSearchQueries.get(getAdapterPosition()));
+            });
         }
     }
 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/RecentSearchQuery/DeleteRecentSearchQuery.java b/app/src/main/java/ml/docilealligator/infinityforreddit/RecentSearchQuery/DeleteRecentSearchQuery.java
new file mode 100644
index 00000000..f4ada66c
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/RecentSearchQuery/DeleteRecentSearchQuery.java
@@ -0,0 +1,44 @@
+package ml.docilealligator.infinityforreddit.RecentSearchQuery;
+
+import android.os.AsyncTask;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class DeleteRecentSearchQuery {
+    public interface DeleteRecentSearchQueryListener {
+        void success();
+    }
+
+    public static void deleteRecentSearchQueryListener(RedditDataRoomDatabase redditDataRoomDatabase,
+                                                       RecentSearchQuery recentSearchQuery,
+                                                       DeleteRecentSearchQueryListener deleteRecentSearchQueryListener) {
+        new DeleteRecentSearchQueryAsyncTask(redditDataRoomDatabase, recentSearchQuery, deleteRecentSearchQueryListener).execute();
+    }
+
+    private static class DeleteRecentSearchQueryAsyncTask extends AsyncTask<Void, Void, Void> {
+
+        private RecentSearchQueryDao recentSearchQueryDao;
+        private RecentSearchQuery recentSearchQuery;
+        private DeleteRecentSearchQueryListener deleteRecentSearchQueryListener;
+
+        public DeleteRecentSearchQueryAsyncTask(RedditDataRoomDatabase redditDataRoomDatabase,
+                                                RecentSearchQuery recentSearchQuery,
+                                                DeleteRecentSearchQueryListener deleteRecentSearchQueryListener) {
+            this.recentSearchQueryDao = redditDataRoomDatabase.recentSearchQueryDao();
+            this.recentSearchQuery = recentSearchQuery;
+            this.deleteRecentSearchQueryListener = deleteRecentSearchQueryListener;
+        }
+
+        @Override
+        protected Void doInBackground(Void... voids) {
+            recentSearchQueryDao.deleteRecentSearchQueries(recentSearchQuery);
+            return null;
+        }
+
+        @Override
+        protected void onPostExecute(Void aVoid) {
+            super.onPostExecute(aVoid);
+            deleteRecentSearchQueryListener.success();
+        }
+    }
+}
diff --git a/app/src/main/res/layout/item_recent_search_query.xml b/app/src/main/res/layout/item_recent_search_query.xml
index f014e2fe..fd851926 100644
--- a/app/src/main/res/layout/item_recent_search_query.xml
+++ b/app/src/main/res/layout/item_recent_search_query.xml
@@ -10,10 +10,21 @@
 
     <TextView
         android:id="@+id/recent_search_query_text_view_item_recent_search_query"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:layout_gravity="center_vertical"
         android:fontFamily="?attr/font_family"
         android:textSize="?attr/font_default"
         android:drawablePadding="16dp" />
 
+    <ImageView
+        android:id="@+id/delete_image_view_item_recent_search_query"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:clickable="true"
+        android:focusable="true"
+        android:background="?attr/selectableItemBackground" />
+
 </LinearLayout>
\ No newline at end of file
-- 
cgit v1.2.3