From 1c88b45b5607f4f5adb6edabbf984d499850491a Mon Sep 17 00:00:00 2001
From: David Kramer <daveskypilot@gmail.com>
Date: Tue, 12 Jun 2018 21:26:24 -0600
Subject: [PATCH] Add BrightnessAPI

---
 app/src/main/AndroidManifest.xml              |  3 +++
 .../java/com/termux/api/BrightnessAPI.java    | 26 +++++++++++++++++++
 .../com/termux/api/TermuxApiReceiver.java     | 26 +++++++++++++++----
 3 files changed, 50 insertions(+), 5 deletions(-)
 create mode 100644 app/src/main/java/com/termux/api/BrightnessAPI.java

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index d3595a67f..886baa1b4 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.termux.api"
     android:sharedUserId="com.termux">
 
@@ -21,6 +22,8 @@
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.WRITE_SETTINGS"
+        tools:ignore="ProtectedPermissions" />
 
     <!-- Some of the used permissions imply uses-feature, so we need to make it optional.
          See http://developer.android.com/guide/topics/manifest/uses-feature-element.html#permissions -->
diff --git a/app/src/main/java/com/termux/api/BrightnessAPI.java b/app/src/main/java/com/termux/api/BrightnessAPI.java
new file mode 100644
index 000000000..3780e900d
--- /dev/null
+++ b/app/src/main/java/com/termux/api/BrightnessAPI.java
@@ -0,0 +1,26 @@
+package com.termux.api;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.provider.Settings;
+
+import com.termux.api.util.ResultReturner;
+
+public class BrightnessAPI {
+
+    public static void onReceive(final TermuxApiReceiver receiver, final Context context, final Intent intent) {
+        final ContentResolver contentResolver = context.getContentResolver();
+
+        int brightness = intent.getIntExtra("brightness", 0);
+
+        if (brightness <= 0) {
+            brightness = 0;
+        } else if (brightness >= 255) {
+            brightness = 255;
+        }
+
+        Settings.System.putInt(contentResolver, Settings.System.SCREEN_BRIGHTNESS, brightness);
+        ResultReturner.noteDone(receiver, intent);
+    }
+}
diff --git a/app/src/main/java/com/termux/api/TermuxApiReceiver.java b/app/src/main/java/com/termux/api/TermuxApiReceiver.java
index e52351a1f..171b3d02a 100644
--- a/app/src/main/java/com/termux/api/TermuxApiReceiver.java
+++ b/app/src/main/java/com/termux/api/TermuxApiReceiver.java
@@ -4,7 +4,9 @@
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
-import android.provider.CallLog;
+import android.os.Build;
+import android.provider.Settings;
+import android.widget.Toast;
 
 import com.termux.api.util.TermuxApiLogger;
 import com.termux.api.util.TermuxApiPermissionActivity;
@@ -20,12 +22,26 @@ public void onReceive(Context context, Intent intent) {
         }
 
         switch (apiMethod) {
-	    case "AudioInfo":
-	        AudioAPI.onReceive(this, context, intent);
-		break;
-	    case "BatteryStatus":
+            case "AudioInfo":
+                AudioAPI.onReceive(this, context, intent);
+                break;
+            case "BatteryStatus":
                 BatteryStatusAPI.onReceive(this, context, intent);
                 break;
+            case "Brightness":
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                    if (!Settings.System.canWrite(context)) {
+                        TermuxApiPermissionActivity.checkAndRequestPermissions(context, intent, Manifest.permission.WRITE_SETTINGS);
+                        Toast.makeText(context, "Please enable permission for Termux:API", Toast.LENGTH_LONG).show();
+
+                        // user must enable WRITE_SETTINGS permission this special way
+                        Intent settingsIntent = new Intent(Settings.ACTION_MANAGE_WRITE_SETTINGS);
+                        context.startActivity(settingsIntent);
+                        return;
+                    }
+                }
+                BrightnessAPI.onReceive(this, context, intent);
+                break;
             case "CameraInfo":
                 CameraInfoAPI.onReceive(this, context, intent);
                 break;