Made context menu for chat item (now able to delete chats)

app/src/main/java/io/github/chronosx88/influence/contracts/chatlist/ChatListPresenterContract.java

@@ -1,6 +1,9 @@
 package io.github.chronosx88.influence.contracts.chatlist;
 
+import android.view.MenuItem;
+
 public interface ChatListPresenterContract {
     void updateChatList();
     void openChat(String chatID);
+    void onContextItemSelected(MenuItem item);
 }

app/src/main/java/io/github/chronosx88/influence/helpers/ChatListAdapter.java

@@ -1,5 +1,6 @@
 package io.github.chronosx88.influence.helpers;
 
+import android.view.ContextMenu;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -15,6 +16,7 @@ import io.github.chronosx88.influence.models.roomEntities.ChatEntity;
 
 public class ChatListAdapter extends RecyclerView.Adapter<ChatListAdapter.ChatListViewHolder> {
     List<ChatEntity> chatList = new ArrayList<>();
+    public int onClickPosition = -1;
 
     @NonNull
     @Override
@@ -29,9 +31,14 @@ public class ChatListAdapter extends RecyclerView.Adapter<ChatListAdapter.ChatLi
         chatList.addAll(entities);
     }
 
+    public ChatEntity getItem(int position) {
+        return chatList.get(position);
+    }
+
     @Override
     public void onBindViewHolder(@NonNull ChatListViewHolder holder, int position) {
         holder.chatName.setText(chatList.get(position).getName());
+        holder.onLongClick(position);
     }
 
     @Override
@@ -39,12 +46,26 @@ public class ChatListAdapter extends RecyclerView.Adapter<ChatListAdapter.ChatLi
         return chatList.size();
     }
 
-    class ChatListViewHolder extends RecyclerView.ViewHolder {
+    class ChatListViewHolder extends RecyclerView.ViewHolder implements View.OnCreateContextMenuListener {
         TextView chatName;
 
         public ChatListViewHolder(View itemView) {
             super(itemView);
             chatName = itemView.findViewById(R.id.chat_name);
+            itemView.setOnCreateContextMenuListener(this);
+        }
+
+        public void onLongClick(int position) {
+            itemView.setOnLongClickListener((v) -> {
+                onClickPosition = position;
+                itemView.showContextMenu();
+                return true;
+            });
+        }
+
+        @Override
+        public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
+            menu.add(0, 0, 0, "Remove chat");
         }
     }
 }

app/src/main/java/io/github/chronosx88/influence/models/daos/ChatDao.java

@@ -12,7 +12,7 @@ public interface ChatDao {
     @Insert
     void addChat(ChatEntity chatEntity);
 
-    @Query("DELETE FROM chats WHERE id = :chatID")
+    @Query("DELETE FROM chats WHERE chatID = :chatID")
     void deleteChat(String chatID);
 
     @Query("SELECT * FROM chats")

app/src/main/java/io/github/chronosx88/influence/presenters/ChatListPresenter.java

@@ -1,5 +1,7 @@
 package io.github.chronosx88.influence.presenters;
 
+import android.view.MenuItem;
+
 import com.google.gson.JsonObject;
 
 import io.github.chronosx88.influence.contracts.chatlist.ChatListLogicContract;
@@ -10,7 +12,6 @@ import io.github.chronosx88.influence.helpers.AppHelper;
 import io.github.chronosx88.influence.helpers.ChatListAdapter;
 import io.github.chronosx88.influence.helpers.actions.UIActions;
 import io.github.chronosx88.influence.logic.ChatListLogic;
-import io.github.chronosx88.influence.observable.MainObservable;
 
 public class ChatListPresenter implements ChatListPresenterContract, Observer {
     private ChatListViewContract view;
@@ -35,6 +36,18 @@ public class ChatListPresenter implements ChatListPresenterContract, Observer {
         // TODO
     }
 
+    @Override
+    public void onContextItemSelected(MenuItem item) {
+        switch(item.getItemId()) {
+            case 0: {
+                if(chatListAdapter.onClickPosition != -1) {
+                    AppHelper.getChatDB().chatDao().deleteChat(chatListAdapter.getItem(chatListAdapter.onClickPosition).chatID);
+                    view.updateChatList(chatListAdapter, logic.loadAllChats());
+                }
+            }
+        }
+    }
+
     @Override
     public void handleEvent(JsonObject object) {
         switch (object.get("action").getAsInt()) {

app/src/main/java/io/github/chronosx88/influence/views/fragments/ChatListFragment.java

@@ -2,6 +2,7 @@ package io.github.chronosx88.influence.views.fragments;
 
 import android.os.Bundle;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 
@@ -22,7 +23,6 @@ import io.github.chronosx88.influence.helpers.AppHelper;
 import io.github.chronosx88.influence.helpers.ChatListAdapter;
 import io.github.chronosx88.influence.helpers.actions.UIActions;
 import io.github.chronosx88.influence.models.roomEntities.ChatEntity;
-import io.github.chronosx88.influence.observable.MainObservable;
 import io.github.chronosx88.influence.presenters.ChatListPresenter;
 
 public class ChatListFragment extends Fragment implements ChatListViewContract, Observer {
@@ -48,6 +48,7 @@ public class ChatListFragment extends Fragment implements ChatListViewContract,
         chatList.setLayoutManager(new LinearLayoutManager(getContext()));
         presenter = new ChatListPresenter(this);
         presenter.updateChatList();
+        registerForContextMenu(chatList);
     }
 
     @Override
@@ -72,9 +73,15 @@ public class ChatListFragment extends Fragment implements ChatListViewContract,
 
     @Override
     public void updateChatList(ChatListAdapter adapter, List<ChatEntity> chats) {
-        getActivity().runOnUiThread(() -> {
+        requireActivity().runOnUiThread(() -> {
             adapter.setChatList(chats);
             adapter.notifyDataSetChanged();
         });
     }
+
+    @Override
+    public boolean onContextItemSelected(@NonNull MenuItem item) {
+        presenter.onContextItemSelected(item);
+        return super.onContextItemSelected(item);
+    }
 }