Function getPointerInteractablePaintTree

test/fixtures/wpt/resources/testdriver.js:46–68

(element)

    }

    function getPointerInteractablePaintTree(element) {
        let elementDocument = element.ownerDocument;
        if (!elementDocument.contains(element)) {
            return [];
        }

        var rectangles = element.getClientRects();

        if (rectangles.length === 0) {
            return [];
        }

        var centerPoint = getInViewCenterPoint(rectangles[0]);

        if ("elementsFromPoint" in elementDocument) {
            return elementDocument.elementsFromPoint(centerPoint[0], centerPoint[1]);
        } else if ("msElementsFromPoint" in elementDocument) {
            var rv = elementDocument.msElementsFromPoint(centerPoint[0], centerPoint[1]);
            return Array.prototype.slice.call(rv ? rv : []);
        } else {
            throw new Error("document.elementsFromPoint unsupported");
        }
    }

    function inView(element) {
        var pointerInteractablePaintTree = getPointerInteractablePaintTree(element);