Android: Implement basic read-only cheats list

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/model/ARCheat.java

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.model;
+
+import androidx.annotation.Keep;
+import androidx.annotation.NonNull;
+
+public class ARCheat implements Cheat
+{
+  @Keep
+  private final long mPointer;
+
+  @Keep
+  private ARCheat(long pointer)
+  {
+    mPointer = pointer;
+  }
+
+  @Override
+  public native void finalize();
+
+  @NonNull
+  public native String getName();
+
+  @NonNull
+  public static native ARCheat[] loadCodes(String gameId, int revision);
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/model/Cheat.java

@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.model;
+
+import androidx.annotation.NonNull;
+
+public interface Cheat
+{
+  @NonNull
+  String getName();
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/model/CheatsViewModel.java

@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.model;
+
+import androidx.lifecycle.ViewModel;
+
+public class CheatsViewModel extends ViewModel
+{
+  private boolean mLoaded = false;
+
+  private PatchCheat[] mPatchCheats;
+  private ARCheat[] mARCheats;
+  private GeckoCheat[] mGeckoCheats;
+
+  public void load(String gameID, int revision)
+  {
+    if (mLoaded)
+      return;
+
+    mPatchCheats = PatchCheat.loadCodes(gameID, revision);
+    mARCheats = ARCheat.loadCodes(gameID, revision);
+    mGeckoCheats = GeckoCheat.loadCodes(gameID, revision);
+
+    mLoaded = true;
+  }
+
+  public Cheat[] getPatchCheats()
+  {
+    return mPatchCheats;
+  }
+
+  public ARCheat[] getARCheats()
+  {
+    return mARCheats;
+  }
+
+  public Cheat[] getGeckoCheats()
+  {
+    return mGeckoCheats;
+  }
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/model/GeckoCheat.java

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.model;
+
+import androidx.annotation.Keep;
+import androidx.annotation.NonNull;
+
+public class GeckoCheat implements Cheat
+{
+  @Keep
+  private final long mPointer;
+
+  @Keep
+  private GeckoCheat(long pointer)
+  {
+    mPointer = pointer;
+  }
+
+  @Override
+  public native void finalize();
+
+  @NonNull
+  public native String getName();
+
+  @NonNull
+  public static native GeckoCheat[] loadCodes(String gameId, int revision);
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/model/PatchCheat.java

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.model;
+
+import androidx.annotation.Keep;
+import androidx.annotation.NonNull;
+
+public class PatchCheat implements Cheat
+{
+  @Keep
+  private final long mPointer;
+
+  @Keep
+  private PatchCheat(long pointer)
+  {
+    mPointer = pointer;
+  }
+
+  @Override
+  public native void finalize();
+
+  @NonNull
+  public native String getName();
+
+  @NonNull
+  public static native PatchCheat[] loadCodes(String gameId, int revision);
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/ui/CheatListFragment.java

@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.ui;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.features.cheats.model.CheatsViewModel;
+import org.dolphinemu.dolphinemu.ui.DividerItemDecoration;
+
+public class CheatListFragment extends Fragment
+{
+  @Nullable
+  @Override
+  public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
+          @Nullable Bundle savedInstanceState)
+  {
+    return inflater.inflate(R.layout.fragment_cheat_list, container, false);
+  }
+
+  @Override
+  public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState)
+  {
+    RecyclerView recyclerView = view.findViewById(R.id.cheat_list);
+
+    CheatsActivity activity = (CheatsActivity) requireActivity();
+    CheatsViewModel viewModel = new ViewModelProvider(activity).get(CheatsViewModel.class);
+
+    recyclerView.setAdapter(new CheatsAdapter(viewModel));
+    recyclerView.setLayoutManager(new LinearLayoutManager(activity));
+    recyclerView.addItemDecoration(new DividerItemDecoration(activity, null));
+  }
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/ui/CheatViewHolder.java

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.ui;
+
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView.ViewHolder;
+
+import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.features.cheats.model.Cheat;
+
+public class CheatViewHolder extends ViewHolder
+{
+  private TextView mName;
+
+  public CheatViewHolder(@NonNull View itemView)
+  {
+    super(itemView);
+
+    mName = itemView.findViewById(R.id.text_name);
+  }
+
+  public void bind(Cheat item)
+  {
+    mName.setText(item.getName());
+  }
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/ui/CheatsActivity.java

@@ -4,8 +4,14 @@ package org.dolphinemu.dolphinemu.features.cheats.ui;
 
 import android.content.Context;
 import android.content.Intent;
+import android.os.Bundle;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+
+import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.features.cheats.model.CheatsViewModel;
+import org.dolphinemu.dolphinemu.ui.main.MainPresenter;
 
 public class CheatsActivity extends AppCompatActivity
 {
@@ -19,4 +25,23 @@ public class CheatsActivity extends AppCompatActivity
     intent.putExtra(ARG_REVISION, revision);
     context.startActivity(intent);
   }
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState)
+  {
+    super.onCreate(savedInstanceState);
+
+    MainPresenter.skipRescanningLibrary();
+
+    Intent intent = getIntent();
+    String gameId = intent.getStringExtra(ARG_GAME_ID);
+    int revision = intent.getIntExtra(ARG_REVISION, 0);
+
+    setTitle(getString(R.string.cheats_with_game_id, gameId));
+
+    CheatsViewModel viewModel = new ViewModelProvider(this).get(CheatsViewModel.class);
+    viewModel.load(gameId, revision);
+
+    setContentView(R.layout.activity_cheats);
+  }
 }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/cheats/ui/CheatsAdapter.java

@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.ui;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.features.cheats.model.Cheat;
+import org.dolphinemu.dolphinemu.features.cheats.model.CheatsViewModel;
+
+public class CheatsAdapter extends RecyclerView.Adapter<CheatViewHolder>
+{
+  private final CheatsViewModel mViewModel;
+
+  public CheatsAdapter(CheatsViewModel viewModel)
+  {
+    mViewModel = viewModel;
+  }
+
+  @NonNull
+  @Override
+  public CheatViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType)
+  {
+    LayoutInflater inflater = LayoutInflater.from(parent.getContext());
+    View view = inflater.inflate(R.layout.list_item_cheat, parent, false);
+    return new CheatViewHolder(view);
+  }
+
+  @Override
+  public void onBindViewHolder(@NonNull CheatViewHolder holder, int position)
+  {
+    holder.bind(getItemAt(position));
+  }
+
+  @Override
+  public int getItemCount()
+  {
+    return mViewModel.getARCheats().length + mViewModel.getGeckoCheats().length +
+            mViewModel.getPatchCheats().length;
+  }
+
+  private Cheat getItemAt(int position)
+  {
+    Cheat[] patchCheats = mViewModel.getPatchCheats();
+    if (position < patchCheats.length)
+    {
+      return patchCheats[position];
+    }
+    position -= patchCheats.length;
+
+    Cheat[] arCheats = mViewModel.getARCheats();
+    if (position < arCheats.length)
+    {
+      return arCheats[position];
+    }
+    position -= arCheats.length;
+
+    Cheat[] geckoCheats = mViewModel.getGeckoCheats();
+    if (position < geckoCheats.length)
+    {
+      return geckoCheats[position];
+    }
+    position -= geckoCheats.length;
+
+    throw new IndexOutOfBoundsException();
+  }
+}

Source/Android/app/src/main/res/layout/activity_cheats.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.fragment.app.FragmentContainerView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/cheat_list"
+    android:name="org.dolphinemu.dolphinemu.features.cheats.ui.CheatListFragment" />

Source/Android/app/src/main/res/layout/fragment_cheat_list.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.recyclerview.widget.RecyclerView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/cheat_list" />

Source/Android/app/src/main/res/layout/list_item_cheat.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:focusable="true">
+
+    <TextView
+        android:id="@+id/text_name"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        style="@style/TextAppearance.AppCompat.Headline"
+        android:textSize="16sp"
+        tools:text="Hyrule Field Speed Hack"
+        android:layout_margin="@dimen/spacing_large"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>