INNER CODE UNIT · Java

scrollIfNeeded

cymcsg/UltimateRecyclerView · UltimateRecyclerView/ultimaterecyclerview/src/main/java/com/marshalchen/ultimaterecyclerview/DragDropTouchListener.java:259

    private boolean scrollIfNeeded() {
        int height = recyclerView.getHeight();
        int hoverViewTop = (int) mobileView.getY();
        int hoverHeight = mobileView.getHeight();

        if (hoverViewTop <= 0) {
            recyclerView.scrollBy(0, -scrollAmount);
            return true;
        }

        if (hoverViewTop + hoverHeight >= height) {
            recyclerView.scrollBy(0, scrollAmount);
            return true;
        }

        return false;
    }

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