feat(floaty): wait for floating permission granted when creating a window

app/src/main/java/com/stardust/scriptdroid/ui/floating/FloatyWindowManger.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.widget.Toast;
 
+import com.stardust.autojs.util.FloatingPermission;
 import com.stardust.enhancedfloaty.FloatyService;
 import com.stardust.enhancedfloaty.FloatyWindow;
 import com.stardust.enhancedfloaty.util.FloatingWindowPermissionUtil;
@@ -16,6 +17,8 @@ import java.lang.ref.WeakReference;
 
 import ezy.assist.compat.SettingsCompat;
 
+import static com.stardust.autojs.util.FloatingPermission.manageDrawOverlays;
+
 /**
  * Created by Stardust on 2017/9/30.
  */
@@ -26,11 +29,7 @@ public class FloatyWindowManger {
 
     public static void addWindow(Context context, FloatyWindow window) {
         context.startService(new Intent(context, FloatyService.class));
-        if (!SettingsCompat.canDrawOverlays(context)) {
-            Toast.makeText(context, R.string.text_no_floating_window_permission, Toast.LENGTH_SHORT).show();
-            manageDrawOverlays(context);
-            return;
-        }
+        FloatingPermission.ensurePermissionGranted(context);
         try {
             FloatyService.addWindow(window);
             // SecurityException: https://github.com/hyb1996-guest/AutoJsIssueReport/issues/4781
@@ -43,14 +42,6 @@ public class FloatyWindowManger {
     }
 
 
-    public static void manageDrawOverlays(Context context) {
-        try {
-            SettingsCompat.manageDrawOverlays(context);
-        } catch (Exception ex) {
-            FloatingWindowPermissionUtil.goToAppDetailSettings(context, context.getPackageName());
-        }
-    }
-
     public static void closeWindow(FloatyWindow window) {
         window.close();
     }