Function waitForItemsLoaded

tests/ListViewComponents/VirtualizeContentsViewTest.ts:411–422

(listView)

    }

    function waitForItemsLoaded(listView) {
        return new WinJS.Promise(function (complete) {
            function handler() {
                if (listView.loadingState === "itemsLoaded") {
                    listView.removeEventListener("loadingstatechanged", handler, false);
                    complete();
                }
            }

            listView.addEventListener("loadingstatechanged", handler, false);
        });
    }

    function generateAnimationInViewportPendingFlagTest(complete, firstIndexToInsert, expectedValue) {
        WinJS.UI._VirtualizeContentsView._disableCustomPagesPrefetch = true;