fuweichin
Supports pull-to-refresh with touchscreens and precision touchpads, similar to overscroll history navigation. Usage: Pull page down on touchscreen or precision touchpad (e.g. Windows Precision Touchpad). When pulled by 1/4 of viewport height, an indicator will be visible. When pulled by 1/2 of viewport height, the indicator will be active. Lift your fingers to confirm the operation, or pull back to cancel the operation.