Function visibilitychange_callback

test/browser/test_html5_core.c:170–174

}

bool visibilitychange_callback(int eventType, const EmscriptenVisibilityChangeEvent *e, void *userData) {
  printf("%s, hidden: %d, visibilityState: %d\n", emscripten_event_type_to_string(eventType), e->hidden, e->visibilityState);

  return 0;
}

bool touch_callback(int eventType, const EmscriptenTouchEvent *e, void *userData) {
  printf("%s, numTouches: %d timestamp: %lf %s%s%s%s\n",