#include "qt.h"
#include <QtAndroid> 
#include <QAndroidJniEnvironment>

QT_BEGIN_NAMESPACE

QVariant QT::keepScreenOn() {
  QtAndroid::runOnAndroidThread([] {
    QAndroidJniObject activity = QtAndroid::androidActivity();
    if (activity.isValid()) {
      QAndroidJniObject window = activity.callObjectMethod("getWindow", "()Landroid/view/Window;");
      if (window.isValid()) {
        const int FLAG_KEEP_SCREEN_ON = 128;
        window.callMethod<void>("addFlags", "(I)V", FLAG_KEEP_SCREEN_ON);
      }
    }
    QAndroidJniEnvironment env;
    if (env->ExceptionCheck()) {
      env->ExceptionClear();
    }
  });
  return QVariant();
}

QT_END_NAMESPACE