Add userspace reboot

app/src/main/java/com/topjohnwu/magisk/events/RebootEvent.kt

@@ -1,8 +1,11 @@
 package com.topjohnwu.magisk.events
 
+import android.os.Build
+import android.os.PowerManager
 import android.view.ContextThemeWrapper
 import android.view.MenuItem
 import android.widget.PopupMenu
+import androidx.core.content.getSystemService
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.core.base.BaseActivity
 import com.topjohnwu.superuser.Shell
@@ -13,6 +16,7 @@ object RebootEvent {
     private fun reboot(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.action_reboot_normal -> systemReboot()
+            R.id.action_reboot_userspace -> systemReboot("userspace")
             R.id.action_reboot_bootloader -> systemReboot("bootloader")
             R.id.action_reboot_download -> systemReboot("download")
             R.id.action_reboot_edl -> systemReboot("edl")
@@ -25,6 +29,9 @@ object RebootEvent {
     fun inflateMenu(activity: BaseActivity): PopupMenu {
         val themeWrapper = ContextThemeWrapper(activity, R.style.Foundation_PopupMenu)
         val menu = PopupMenu(themeWrapper, activity.findViewById(R.id.action_reboot))
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R &&
+            activity.getSystemService<PowerManager>()?.isRebootingUserspaceSupported == true)
+            menu.menu.getItem(R.id.action_reboot_userspace).isVisible = true
         activity.menuInflater.inflate(R.menu.menu_reboot, menu.menu)
         menu.setOnMenuItemClickListener(::reboot)
         return menu

app/src/main/res/menu/menu_reboot.xml

@@ -5,6 +5,15 @@
         android:id="@+id/action_reboot_normal"
         android:title="@string/reboot" />
 
+    <item
+        android:id="@+id/action_reboot_userspace"
+        android:title="@string/reboot_userspace"
+        android:visible="false" />
+
+    <item
+        android:id="@+id/action_reboot_recovery"
+        android:title="@string/reboot_recovery" />
+
     <item
         android:id="@+id/action_reboot_bootloader"
         android:title="@string/reboot_bootloader" />
@@ -17,8 +26,4 @@
         android:id="@+id/action_reboot_edl"
         android:title="@string/reboot_edl" />
 
-    <item
-        android:id="@+id/action_reboot_recovery"
-        android:title="@string/reboot_recovery" />
-
 </menu>

app/src/main/res/values/strings.xml

@@ -109,6 +109,7 @@
 
     <!--Module -->
     <string name="no_info_provided">(No info provided)</string>
+    <string name="reboot_userspace">Soft reboot</string>
     <string name="reboot_recovery">Reboot to Recovery</string>
     <string name="reboot_bootloader">Reboot to Bootloader</string>
     <string name="reboot_download">Reboot to Download</string>