Method onFrameAvailable

src/rendering/PAGAnimator.cpp:78–89

  std::vector<std::shared_ptr<PAGAnimator>> animators = {};

  void onFrameAvailable() {
    locker.lock();
    auto listCopy = animators;
    locker.unlock();
    for (auto& animator : listCopy) {
      if (animator.use_count() == 1) {
        animator->cancelAnimation();
        continue;
      }
      animator->advance();
    }
  }
};

std::shared_ptr<PAGAnimator> PAGAnimator::MakeFrom(std::weak_ptr<Listener> listener) {