Android: Add graphics mods support to CheatsActivity

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

@@ -24,10 +24,13 @@ public class CheatsViewModel extends ViewModel
   private final MutableLiveData<Integer> mGeckoCheatsDownloadedEvent = new MutableLiveData<>(null);
   private final MutableLiveData<Boolean> mOpenDetailsViewEvent = new MutableLiveData<>(false);
 
+  private GraphicsModGroup mGraphicsModGroup;
+  private ArrayList<GraphicsMod> mGraphicsMods;
   private ArrayList<PatchCheat> mPatchCheats;
   private ArrayList<ARCheat> mARCheats;
   private ArrayList<GeckoCheat> mGeckoCheats;
 
+  private boolean mGraphicsModsNeedSaving = false;
   private boolean mPatchCheatsNeedSaving = false;
   private boolean mARCheatsNeedSaving = false;
   private boolean mGeckoCheatsNeedSaving = false;
@@ -37,13 +40,23 @@ public class CheatsViewModel extends ViewModel
     if (mLoaded)
       return;
 
+    mGraphicsModGroup = GraphicsModGroup.load(gameID);
+    mGraphicsMods = new ArrayList<>();
+    Collections.addAll(mGraphicsMods, mGraphicsModGroup.getMods());
+
     mPatchCheats = new ArrayList<>();
     Collections.addAll(mPatchCheats, PatchCheat.loadCodes(gameID, revision));
+
     mARCheats = new ArrayList<>();
     Collections.addAll(mARCheats, ARCheat.loadCodes(gameID, revision));
+
     mGeckoCheats = new ArrayList<>();
     Collections.addAll(mGeckoCheats, GeckoCheat.loadCodes(gameID, revision));
 
+    for (GraphicsMod mod : mGraphicsMods)
+    {
+      mod.setChangedCallback(() -> mGraphicsModsNeedSaving = true);
+    }
     for (PatchCheat cheat : mPatchCheats)
     {
       cheat.setChangedCallback(() -> mPatchCheatsNeedSaving = true);
@@ -62,6 +75,12 @@ public class CheatsViewModel extends ViewModel
 
   public void saveIfNeeded(String gameID, int revision)
   {
+    if (mGraphicsModsNeedSaving)
+    {
+      mGraphicsModGroup.save();
+      mGraphicsModsNeedSaving = false;
+    }
+
     if (mPatchCheatsNeedSaving)
     {
       PatchCheat.saveCodes(gameID, revision, mPatchCheats.toArray(new PatchCheat[0]));
@@ -280,6 +299,11 @@ public class CheatsViewModel extends ViewModel
     mOpenDetailsViewEvent.setValue(false);
   }
 
+  public ArrayList<GraphicsMod> getGraphicsMods()
+  {
+    return mGraphicsMods;
+  }
+
   public ArrayList<PatchCheat> getPatchCheats()
   {
     return mPatchCheats;

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

@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.cheats.model;
+
+import androidx.annotation.Keep;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+public class GraphicsMod extends ReadOnlyCheat
+{
+  @Keep
+  private final long mPointer;
+
+  // When a C++ GraphicsModGroup object is destroyed, it also destroys the GraphicsMods it owns.
+  // To avoid getting dangling pointers, we keep a reference to the GraphicsModGroup here.
+  @Keep
+  private final GraphicsModGroup mParent;
+
+  @Keep
+  private GraphicsMod(long pointer, GraphicsModGroup parent)
+  {
+    mPointer = pointer;
+    mParent = parent;
+  }
+
+  public boolean supportsCreator()
+  {
+    return true;
+  }
+
+  public boolean supportsNotes()
+  {
+    return true;
+  }
+
+  public boolean supportsCode()
+  {
+    return false;
+  }
+
+  @NonNull
+  public native String getName();
+
+  @NonNull
+  public native String getCreator();
+
+  @NonNull
+  public native String getNotes();
+
+  public boolean getUserDefined()
+  {
+    // Technically graphics mods can be user defined, but we don't support editing graphics mods
+    // in the GUI, and editability is what this really controls
+    return false;
+  }
+
+  public native boolean getEnabled();
+
+  @Override
+  protected native void setEnabledImpl(boolean enabled);
+}

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

@@ -0,0 +1,27 @@
+package org.dolphinemu.dolphinemu.features.cheats.model;
+
+import androidx.annotation.Keep;
+import androidx.annotation.NonNull;
+
+public class GraphicsModGroup
+{
+  @Keep
+  private final long mPointer;
+
+  @Keep
+  private GraphicsModGroup(long pointer)
+  {
+    mPointer = pointer;
+  }
+
+  @Override
+  public native void finalize();
+
+  @NonNull
+  public native GraphicsMod[] getMods();
+
+  public native void save();
+
+  @NonNull
+  public static native GraphicsModGroup load(String gameId);
+}

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

@@ -13,6 +13,7 @@ import org.dolphinemu.dolphinemu.R;
 import org.dolphinemu.dolphinemu.features.cheats.model.ARCheat;
 import org.dolphinemu.dolphinemu.features.cheats.model.CheatsViewModel;
 import org.dolphinemu.dolphinemu.features.cheats.model.GeckoCheat;
+import org.dolphinemu.dolphinemu.features.cheats.model.GraphicsMod;
 import org.dolphinemu.dolphinemu.features.cheats.model.PatchCheat;
 
 import java.util.ArrayList;
@@ -90,8 +91,8 @@ public class CheatsAdapter extends RecyclerView.Adapter<CheatItemViewHolder>
   @Override
   public int getItemCount()
   {
-    return mViewModel.getARCheats().size() + mViewModel.getGeckoCheats().size() +
-            mViewModel.getPatchCheats().size() + 7;
+    return mViewModel.getGraphicsMods().size() + mViewModel.getPatchCheats().size() +
+            mViewModel.getARCheats().size() + mViewModel.getGeckoCheats().size() + 8;
   }
 
   @Override
@@ -108,6 +109,17 @@ public class CheatsAdapter extends RecyclerView.Adapter<CheatItemViewHolder>
 
   private CheatItem getItemAt(int position)
   {
+    // Graphics mods
+
+    if (position == 0)
+      return new CheatItem(CheatItem.TYPE_HEADER, R.string.cheats_header_graphics_mod);
+    position -= 1;
+
+    ArrayList<GraphicsMod> graphicsMods = mViewModel.getGraphicsMods();
+    if (position < graphicsMods.size())
+      return new CheatItem(graphicsMods.get(position));
+    position -= graphicsMods.size();
+
     // Patches
 
     if (position == 0)

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

@@ -490,6 +490,7 @@
     <string name="cheats_header_ar">AR Codes</string>
     <string name="cheats_header_gecko">Gecko Codes</string>
     <string name="cheats_header_patch">Patches</string>
+    <string name="cheats_header_graphics_mod">Graphics Mods</string>
     <string name="cheats_add_ar">Add New AR Code</string>
     <string name="cheats_add_gecko">Add New Gecko Code</string>
     <string name="cheats_add_patch">Add New Patch</string>