Android: Add black backgrounds toggle

Makes all background colors black in dark mode when enabled through a ThemeOverlay. Applied the same way as a theme/mode.

4 files changed, 98 insertions, 18 deletions

diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/model/BooleanSetting.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/model/BooleanSetting.java
index 9c6e2ce476..79d76ada40 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/model/BooleanSetting.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/model/BooleanSetting.java
@@ -81,6 +81,8 @@ public enum BooleanSetting implements AbstractBooleanSetting
 
   MAIN_SHOW_GAME_TITLES(Settings.FILE_DOLPHIN, Settings.SECTION_INI_ANDROID,
           "ShowGameTitles", true),
+  MAIN_USE_BLACK_BACKGROUNDS(Settings.FILE_DOLPHIN, Settings.SECTION_INI_ANDROID,
+          "UseBlackBackgrounds", false),
   MAIN_JOYSTICK_REL_CENTER(Settings.FILE_DOLPHIN, Settings.SECTION_INI_ANDROID,
           "JoystickRelCenter", true),
   MAIN_PHONE_RUMBLE(Settings.FILE_DOLPHIN, Settings.SECTION_INI_ANDROID,
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentPresenter.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentPresenter.java
index 3c0838029b..e15f343a40 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentPresenter.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentPresenter.java
@@ -13,6 +13,7 @@ import androidx.appcompat.app.AppCompatActivity;
 import org.dolphinemu.dolphinemu.NativeLibrary;
 import org.dolphinemu.dolphinemu.R;
 import org.dolphinemu.dolphinemu.activities.UserDataActivity;
+import org.dolphinemu.dolphinemu.features.settings.model.AbstractBooleanSetting;
 import org.dolphinemu.dolphinemu.features.settings.model.AbstractIntSetting;
 import org.dolphinemu.dolphinemu.features.settings.model.AbstractStringSetting;
 import org.dolphinemu.dolphinemu.features.settings.model.AdHocBooleanSetting;
@@ -414,6 +415,44 @@ public final class SettingsFragmentPresenter
 
     sl.add(new SingleChoiceSetting(mContext, themeMode, R.string.change_theme_mode, 0,
             R.array.themeModeEntries, R.array.themeModeValues));
+
+    AbstractBooleanSetting blackBackgrounds = new AbstractBooleanSetting()
+    {
+      @Override
+      public boolean isOverridden(Settings settings)
+      {
+        return BooleanSetting.MAIN_USE_BLACK_BACKGROUNDS.isOverridden(settings);
+      }
+
+      @Override
+      public boolean isRuntimeEditable()
+      {
+        return true;
+      }
+
+      @Override
+      public boolean delete(Settings settings)
+      {
+        ThemeHelper.deleteBackgroundSetting((AppCompatActivity) mView.getActivity());
+        return BooleanSetting.MAIN_USE_BLACK_BACKGROUNDS.delete(settings);
+      }
+
+      @Override
+      public boolean getBoolean(Settings settings)
+      {
+        return BooleanSetting.MAIN_USE_BLACK_BACKGROUNDS.getBoolean(settings);
+      }
+
+      @Override
+      public void setBoolean(Settings settings, boolean newValue)
+      {
+        BooleanSetting.MAIN_USE_BLACK_BACKGROUNDS.setBoolean(settings, newValue);
+        ThemeHelper.saveBackgroundSetting((AppCompatActivity) mView.getActivity(), newValue);
+      }
+    };
+
+    sl.add(new CheckBoxSetting(mContext, blackBackgrounds, R.string.use_black_backgrounds,
+            R.string.use_black_backgrounds_description));
   }
 
   private void addAudioSettings(ArrayList<SettingsItem> sl)
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/DirectoryInitialization.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/DirectoryInitialization.java
index 15cf635615..b1584df1be 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/DirectoryInitialization.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/DirectoryInitialization.java
@@ -21,6 +21,7 @@ import androidx.preference.PreferenceManager;
 import org.dolphinemu.dolphinemu.NativeLibrary;
 import org.dolphinemu.dolphinemu.R;
 import org.dolphinemu.dolphinemu.activities.EmulationActivity;
+import org.dolphinemu.dolphinemu.features.settings.model.BooleanSetting;
 import org.dolphinemu.dolphinemu.features.settings.model.IntSetting;
 
 import java.io.File;
@@ -79,24 +80,7 @@ public final class DirectoryInitialization
 
     areDirectoriesAvailable = true;
 
-    SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
-    if (IntSetting.MAIN_INTERFACE_THEME.getIntGlobal() !=
-            preferences.getInt(ThemeHelper.CURRENT_THEME, ThemeHelper.DEFAULT))
-    {
-      preferences.edit()
-              .putInt(ThemeHelper.CURRENT_THEME, IntSetting.MAIN_INTERFACE_THEME.getIntGlobal())
-              .apply();
-    }
-
-    if (IntSetting.MAIN_INTERFACE_THEME_MODE.getIntGlobal() !=
-            preferences.getInt(ThemeHelper.CURRENT_THEME_MODE,
-                    AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM))
-    {
-      preferences.edit()
-              .putInt(ThemeHelper.CURRENT_THEME_MODE,
-                      IntSetting.MAIN_INTERFACE_THEME_MODE.getIntGlobal())
-              .apply();
-    }
+    checkThemeSettings(context);
 
     if (wiimoteIniWritten)
     {
@@ -418,6 +402,37 @@ public final class DirectoryInitialization
     return preferLegacyUserDirectory(context) && !PermissionsHandler.hasWriteAccess(context);
   }
 
+  private static void checkThemeSettings(Context context)
+  {
+    SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
+    if (IntSetting.MAIN_INTERFACE_THEME.getIntGlobal() !=
+            preferences.getInt(ThemeHelper.CURRENT_THEME, ThemeHelper.DEFAULT))
+    {
+      preferences.edit()
+              .putInt(ThemeHelper.CURRENT_THEME, IntSetting.MAIN_INTERFACE_THEME.getIntGlobal())
+              .apply();
+    }
+
+    if (IntSetting.MAIN_INTERFACE_THEME_MODE.getIntGlobal() !=
+            preferences.getInt(ThemeHelper.CURRENT_THEME_MODE,
+                    AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM))
+    {
+      preferences.edit()
+              .putInt(ThemeHelper.CURRENT_THEME_MODE,
+                      IntSetting.MAIN_INTERFACE_THEME_MODE.getIntGlobal())
+              .apply();
+    }
+
+    if (BooleanSetting.MAIN_USE_BLACK_BACKGROUNDS.getBooleanGlobal() !=
+            preferences.getBoolean(ThemeHelper.USE_BLACK_BACKGROUNDS, false))
+    {
+      preferences.edit()
+              .putBoolean(ThemeHelper.USE_BLACK_BACKGROUNDS,
+                      BooleanSetting.MAIN_USE_BLACK_BACKGROUNDS.getBooleanGlobal())
+              .apply();
+    }
+  }
+
   private static native void CreateUserDirectories();
 
   private static native void SetSysDirectory(String path);
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/ThemeHelper.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/ThemeHelper.java
index 040e20990a..866b8659a9 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/ThemeHelper.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/ThemeHelper.java
@@ -27,6 +27,7 @@ public class ThemeHelper
 {
   public static final String CURRENT_THEME = "current_theme";
   public static final String CURRENT_THEME_MODE = "current_theme_mode";
+  public static final String USE_BLACK_BACKGROUNDS = "use_black_backgrounds";
 
   public static final int DEFAULT = 0;
   public static final int MONET = 1;
@@ -66,6 +67,11 @@ public class ThemeHelper
         break;
     }
 
+    if (preferences.getBoolean(USE_BLACK_BACKGROUNDS, false))
+    {
+      activity.setTheme(R.style.ThemeOverlay_Dolphin_Dark);
+    }
+
     // Since the top app bar matches the color of the status bar, devices below API 23 have to get a
     // black status bar since their icons do not adapt based on background color
     if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
@@ -157,6 +163,24 @@ public class ThemeHelper
     setThemeMode(activity);
   }
 
+  public static void saveBackgroundSetting(AppCompatActivity activity, boolean backgroundValue)
+  {
+    PreferenceManager.getDefaultSharedPreferences(activity.getApplicationContext())
+            .edit()
+            .putBoolean(USE_BLACK_BACKGROUNDS, backgroundValue)
+            .apply();
+    activity.recreate();
+  }
+
+  public static void deleteBackgroundSetting(AppCompatActivity activity)
+  {
+    PreferenceManager.getDefaultSharedPreferences(activity.getApplicationContext())
+            .edit()
+            .remove(USE_BLACK_BACKGROUNDS)
+            .apply();
+    activity.recreate();
+  }
+
   public static void setCorrectTheme(AppCompatActivity activity)
   {
     int currentTheme = ((ThemeProvider) activity).getThemeId();