Selenide | Custom condition: ElementWithinViewportCondition

gistfile1.txt

https://gist.github.com/BorisOsipov/16a1ac309f0f9acd9ee34ac50fc0b45f


@ParametersAreNonnullByDefault
public class ElementWithinViewportCondition extends Condition {

    public ElementWithinViewportCondition() {
        super("visible");
    }

    @Override
    public boolean apply(Driver driver, WebElement element) {
        return isElementWithinViewport(element);
    }

    @Override
    @CheckReturnValue
    @Nonnull
    public String actualValue(Driver driver, WebElement element) {
        return String.format("элемент внутри видимой части экрана: %s", isElementWithinViewport(element));
    }

    @Override
    public String toString() {
        return String.format("%s", getName());
    }

    @CheckReturnValue
    private boolean isElementWithinViewport(WebElement element) {
        return Boolean.TRUE.equals(Selenide.executeJavaScript("const elem = arguments[0];"
                + "const box = elem.getBoundingClientRect();"
                + "const cx = box.left + box.width / 2;"
                + "const cy = box.top + box.height / 2;"
                + "let e = document.elementFromPoint(cx, cy);"
                + "for (; e; e = e.parentElement) {"
                + "  if (e === elem) {"
                + "    return true;"
                + "  }"
                + "}"
                + "return false;", element));
    }
}

$(".foo").shouldBe(new ElementWithinViewportCondition());
$(".foo").shouldNot(new ElementWithinViewportCondition());