private async void RootFrame_Navigated(object sender, NavigationEventArgs e)
{
RootView newView = e.Content as RootView;
DebugHelper.Assert(newView != null, "The RootFrame should only navigate to a RootView");
// Build up the RootView's ViewModel and event handlers
this.trackedRoot = new TrackedPage(newView, e.Parameter, this.container);
await this.trackedRoot.InitialActivation;
newView.Container = this.container;
}
/// <summary>
/// Having list of pages, fill them with correct IsTracked values from the storage.
/// </summary>
public void LoadIsTrackedIndicators(IEnumerable <Page> pages, Tracker tracker)
{
if (pages == null || tracker?.ID == null)
{
throw new ArgumentNullException("Cannot ensure-dont-tracks of undefined pages and/or tracker.");
}
foreach (Page page in pages)
{
if (page.ID == null)
{
throw new ArgumentNullException("Cannot ensure-dont-track of unregistered page.");
}
TrackedPage asssociatedTrackedPage = TrackedPages.Single(tp => tp.PageID == page.ID && tp.TrackerID == tracker.ID);
page.IsTracked = asssociatedTrackedPage.IsTracked;
}
}
/// <summary>
/// Remove page for tracker forever, losing all tracking history.
/// </summary>
public void RemovePageFromTracker(Page page, Tracker tracker)
{
if (page?.ID == null || tracker?.ID == null)
{
throw new ArgumentNullException("Cannot remove from tracking the undefined or unregistered page and/or tracker.");
}
TrackedPage subject = TrackedPages.Single(tp => tp.PageID == page.ID && tp.TrackerID == tracker.ID);
TrackedPages.Remove((int)subject.ID);
var thisPageTrackedTimes = TrackedPages.Count(tp => tp.PageID == page.ID);
if (thisPageTrackedTimes < 1)
{
RemovePageCascade((int)page.ID);
}
}
