From ea40a685f59c1f21df10abe97e51549471c1a04d Mon Sep 17 00:00:00 2001
From: Noel De Martin <noel@moodle.com>
Date: Wed, 5 Jul 2023 12:00:51 +0200
Subject: [PATCH] MOBILE-4331 native: Impl setNavigationBarColor
MIME-Version: 1.0
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Based on https://github.com/fagundes/cordova-plugin-navigationbar/blob/master/src/android/NavigationBar.java

Co-authored-by: Vinícius Fagundes <mvlacerda@gmail.com>
---
 .../src/android/SystemUI.java                 | 42 +++++++++++++++++--
 .../src/ts/plugins/SystemUI.ts                |  6 ++-
 2 files changed, 42 insertions(+), 6 deletions(-)

diff --git a/cordova-plugin-moodleapp/src/android/SystemUI.java b/cordova-plugin-moodleapp/src/android/SystemUI.java
index 91b47959c..217c72df9 100644
--- a/cordova-plugin-moodleapp/src/android/SystemUI.java
+++ b/cordova-plugin-moodleapp/src/android/SystemUI.java
@@ -14,7 +14,10 @@
 
 package com.moodle.moodlemobile;
 
+import android.graphics.Color;
+import android.os.Build;
 import android.util.Log;
+import android.view.Window;
 
 import org.apache.cordova.CordovaPlugin;
 import org.apache.cordova.CallbackContext;
@@ -30,7 +33,7 @@ public class SystemUI extends CordovaPlugin {
         try {
             switch (action) {
                 case "setNavigationBarColor":
-                    this.setNavigationBarColor();
+                    this.setNavigationBarColor(args.getString(0));
                     callbackContext.success();
 
                     return true;
@@ -42,10 +45,41 @@ public class SystemUI extends CordovaPlugin {
         return false;
     }
 
-    private void setNavigationBarColor() {
-        Log.e(TAG, "Setting navigation bar color");
+    private void setNavigationBarColor(String color) {
+        if (Build.VERSION.SDK_INT < 21) {
+            return;
+        }
 
-        // TODO
+        if (color == null || color.isEmpty()) {
+            return;
+        }
+
+        Log.d(TAG, "Setting navigation bar color to " + color);
+
+        this.cordova.getActivity().runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                final int FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS = 0x80000000;
+                final int SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR = 0x00000010;
+                final Window window = cordova.getActivity().getWindow();
+                int uiOptions = window.getDecorView().getSystemUiVisibility();
+
+                uiOptions = uiOptions | FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
+                uiOptions = uiOptions & ~SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
+
+                window.getDecorView().setSystemUiVisibility(uiOptions);
+
+                try {
+                    // Using reflection makes sure any 5.0+ device will work without having to compile with SDK level 21
+                    window.getClass().getDeclaredMethod("setNavigationBarColor", int.class).invoke(window, Color.parseColor(color));
+                } catch (IllegalArgumentException ignore) {
+                    Log.e(TAG, "Invalid hexString argument, use f.i. '#999999'");
+                } catch (Exception ignore) {
+                    // this should not happen, only in case Android removes this method in a version > 21
+                    Log.w(TAG, "Method window.setNavigationBarColor not found for SDK level " + Build.VERSION.SDK_INT);
+                }
+            }
+        });
     }
 
 }
diff --git a/cordova-plugin-moodleapp/src/ts/plugins/SystemUI.ts b/cordova-plugin-moodleapp/src/ts/plugins/SystemUI.ts
index 86e24235f..28494b2b1 100644
--- a/cordova-plugin-moodleapp/src/ts/plugins/SystemUI.ts
+++ b/cordova-plugin-moodleapp/src/ts/plugins/SystemUI.ts
@@ -19,10 +19,12 @@ export class SystemUI {
 
     /**
      * Set navigation bar color.
+     *
+     * @param color Color.
      */
-    async setNavigationBarColor(): Promise<void> {
+    async setNavigationBarColor(color: string): Promise<void> {
         await new Promise((resolve, reject) => {
-            cordova.exec(resolve, reject, 'SystemUI', 'setNavigationBarColor', []);
+            cordova.exec(resolve, reject, 'SystemUI', 'setNavigationBarColor', [color]);
         });
     }