Select theme depending on system settings

Automatically choose between the Dark and Light themes.

2 files changed, 41 insertions, 17 deletions

diff --git a/srcs/juloo.keyboard2/Config.java b/srcs/juloo.keyboard2/Config.java
index 42f983e..fb55955 100644
--- a/srcs/juloo.keyboard2/Config.java
+++ b/srcs/juloo.keyboard2/Config.java
@@ -2,7 +2,9 @@ package juloo.keyboard2;
 
 import android.content.Context;
 import android.content.res.Resources;
+import android.content.res.Configuration;
 import android.content.SharedPreferences;
+import android.os.Build;
 import android.preference.PreferenceManager;
 import android.util.DisplayMetrics;
 import android.util.TypedValue;
@@ -77,7 +79,8 @@ final class Config
   public void refresh(Context context)
   {
     SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-    DisplayMetrics dm = context.getResources().getDisplayMetrics();
+    Resources res = context.getResources();
+    DisplayMetrics dm = res.getDisplayMetrics();
     layout = layoutId_of_string(prefs.getString("layout", "system"));
     swipe_dist_dp = Float.valueOf(prefs.getString("swipe_dist", "15"));
     swipe_dist_px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, swipe_dist_dp, dm);
@@ -93,7 +96,7 @@ final class Config
     preciseRepeat = prefs.getBoolean("precise_repeat", preciseRepeat);
     characterSize = prefs.getFloat("character_size", characterSize);
     accents = Integer.valueOf(prefs.getString("accents", "1"));
-    theme = themeId_of_string(prefs.getString("theme", ""));
+    theme = getThemeId(res, prefs.getString("theme", ""));
   }
 
   private float getDipPref(DisplayMetrics dm, SharedPreferences prefs, String pref_name, float def)
@@ -104,6 +107,25 @@ final class Config
     return (TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, value, dm));
   }
 
+  private int getThemeId(Resources res, String theme_name)
+  {
+    switch (theme_name)
+    {
+      case "light": return R.style.Light;
+      case "black": return R.style.Black;
+      case "dark": return R.style.Dark;
+      default:
+      case "system":
+        if (Build.VERSION.SDK_INT >= 8)
+        {
+          int night_mode = res.getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+          if ((night_mode & Configuration.UI_MODE_NIGHT_NO) != 0)
+            return R.style.Light;
+        }
+        return R.style.Dark;
+    }
+  }
+
   public static int layoutId_of_string(String name)
   {
     switch (name)
diff --git a/srcs/juloo.keyboard2/Keyboard2.java b/srcs/juloo.keyboard2/Keyboard2.java
index fa4b494..54fe587 100644
--- a/srcs/juloo.keyboard2/Keyboard2.java
+++ b/srcs/juloo.keyboard2/Keyboard2.java
@@ -57,6 +57,7 @@ public class Keyboard2 extends InputMethodService
     PreferenceManager.getDefaultSharedPreferences(this).registerOnSharedPreferenceChangeListener(this);
     Config.initGlobalConfig(this, new KeyEventHandler(this.new Receiver()));
     _config = Config.globalConfig();
+    _config.refresh(this);
     _keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
     _keyboardView.reset();
   }
@@ -177,17 +178,27 @@ public class Keyboard2 extends InputMethodService
     }
   }
 
+  private void refreshConfig()
+  {
+    int prev_theme = _config.theme;
+    _config.refresh(this);
+    refreshSubtypeImm();
+    // Refreshing the theme config requires re-creating the views
+    if (prev_theme != _config.theme)
+    {
+      _keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
+      _emojiPane = null;
+    }
+    _keyboardView.setKeyboard(getLayout(_currentTextLayout));
+  }
+
   @Override
   public void onStartInputView(EditorInfo info, boolean restarting)
   {
-    // Update '_config' before calling 'KeyboardView.setKeyboard'
-    refreshSubtypeImm();
+    refreshConfig();
     refreshEditorInfo(info);
     if ((info.inputType & InputType.TYPE_CLASS_NUMBER) != 0)
       _keyboardView.setKeyboard(getLayout(R.xml.numeric));
-    else
-      _keyboardView.setKeyboard(getLayout(_currentTextLayout));
-    _keyboardView.reset(); // Layout might need to change due to rotation
     setInputView(_keyboardView);
   }
 
@@ -217,16 +228,7 @@ public class Keyboard2 extends InputMethodService
   @Override
   public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key)
   {
-    int prev_theme = _config.theme;
-    _config.refresh(this);
-    refreshSubtypeImm();
-    _keyboardView.setKeyboard(getLayout(_currentTextLayout));
-    // Refreshing the theme config requires re-creating the views
-    if (prev_theme != _config.theme)
-    {
-      _keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
-      _emojiPane = null;
-    }
+    refreshConfig();
   }
 
   /** Not static */