Changed: Store app wide night mode in NightMode.APP_NIGHT_MODE so that libraries can use it directly without having to load or get it from termux properties

termux-shared/src/main/java/com/termux/shared/termux/theme/TermuxThemeUtils.java

@@ -0,0 +1,25 @@
+package com.termux.shared.termux.theme;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.termux.shared.termux.settings.properties.TermuxPropertyConstants;
+import com.termux.shared.termux.settings.properties.TermuxSharedProperties;
+import com.termux.shared.theme.NightMode;
+
+public class TermuxThemeUtils {
+
+    /** Get the {@link TermuxPropertyConstants#KEY_NIGHT_MODE} value from the properties file on disk
+     * and set it to app wide night mode value. */
+    public static void setAppNightMode(@NonNull Context context) {
+        NightMode.setAppNightMode(TermuxSharedProperties.getNightMode(context));
+    }
+
+    /** Set name as app wide night mode value. */
+    public static void setAppNightMode(@Nullable String name) {
+        NightMode.setAppNightMode(name);
+    }
+
+}

termux-shared/src/main/java/com/termux/shared/theme/NightMode.java

@@ -1,7 +1,11 @@
 package com.termux.shared.theme;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatDelegate;
 
+import com.termux.shared.logger.Logger;
+
 /** The modes used by to decide night mode for themes. */
 public enum NightMode {
 
@@ -17,6 +21,11 @@ public enum NightMode {
      */
     SYSTEM("system", AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM);
 
+    /** The current app wide night mode used by various libraries. Defaults to {@link #SYSTEM}. */
+    private static NightMode APP_NIGHT_MODE;
+
+    private static final String LOG_TAG = "NightMode";
+
     private final String name;
     private final int mode;
 
@@ -33,16 +42,50 @@ public enum NightMode {
         return mode;
     }
 
-    public static Integer modeOf(String name) {
-        if (TRUE.name.equals(name))
-            return TRUE.mode;
-        else if (FALSE.name.equals(name))
-            return FALSE.mode;
-        else if (SYSTEM.name.equals(name)) {
-            return SYSTEM.mode;
-        } else {
-            return null;
+
+    /** Get {@link NightMode} for {@code name} if found, otherwise {@code null}. */
+    @Nullable
+    public static NightMode modeOf(String name) {
+        for (NightMode v : NightMode.values()) {
+            if (v.name.equals(name)) {
+                return v;
+            }
         }
+
+        return null;
+    }
+
+    /** Get {@link NightMode} for {@code name} if found, otherwise {@code def}. */
+    @NonNull
+    public static NightMode modeOf(@Nullable String name, @NonNull NightMode def) {
+        NightMode nightMode = modeOf(name);
+        return nightMode != null ? nightMode : def;
+    }
+
+
+    /** Set {@link #APP_NIGHT_MODE}. */
+    public static void setAppNightMode(@Nullable String name) {
+        if (name == null || name.isEmpty()) {
+            APP_NIGHT_MODE = SYSTEM;
+        } else {
+            NightMode nightMode = NightMode.modeOf(name);
+            if (nightMode == null) {
+                Logger.logError(LOG_TAG, "Invalid APP_NIGHT_MODE \"" + name + "\"");
+                return;
+            }
+            APP_NIGHT_MODE = nightMode;
+        }
+
+        Logger.logVerbose(LOG_TAG, "Set APP_NIGHT_MODE to \"" + APP_NIGHT_MODE.getName() + "\"");
+    }
+
+    /** Get {@link #APP_NIGHT_MODE}. */
+    @NonNull
+    public static NightMode getAppNightMode() {
+        if (APP_NIGHT_MODE == null)
+            APP_NIGHT_MODE =  SYSTEM;
+
+        return APP_NIGHT_MODE;
     }
 
 }