/// <summary>
/// Обработать событие по переходу по ссылке.
/// </summary>
/// <param name="sender">Источник события.</param>
/// <param name="e">Событие.</param>
/// <returns>true, если обработка произведена и действий по умолчанию не требуется.</returns>
public bool HandleNavigationLinkClick(object sender, LinkClickEventArgs e)
{
var vm = ViewModel;
if (vm == null)
{
return false;
}
var l0 = e?.Link?.CustomData as BoardLinkBase;
if (l0 != null)
{
var l = ServiceLocator.Current.GetServiceOrThrow<ILinkTransformService>().GetPostLinkFromAnyLink(l0);
if (l != null)
{
if (vm.PostsByLink.ContainsKey(l))
{
var p = vm.PostsByLink[l];
if (p != null)
{
if (!SinglePostViewPopup.IsContentVisible)
{
singleNavigationStack.Clear();
}
var lvm = e.LinkContext as IPostViewModel;
var lc = lvm?.Link;
if (lc != null)
{
if (SinglePostViewPopup.IsContentVisible)
{
PushCurrentLink(lc);
}
PushCurrentLink(lvm, l);
}
else
{
PushCurrentLink(l);
}
SingleSelectedItem = p;
AppHelpers.DispatchAction(() =>
{
SinglePostViewPopup.IsContentVisible = true;
return Task.CompletedTask;
});
return true;
}
}
}
}
return false;
}
/// <summary>
/// Обратный вызов.
/// </summary>
/// <param name="link">Ссылка.</param>
public void OnLinkClick(ITextRenderLinkAttribute link)
{
if (link != null)
{
var e = new LinkClickEventArgs(link) { LinkContext = Parent };
LinkClick?.Invoke(this, e);
ViewModelEvents.LinkClick.RaiseEvent(this, e);
}
}
private void TvOnLinkClick(object sender, LinkClickEventArgs e)
{
LinkClick?.Invoke(sender, e);
}
/// <summary>
/// Обработать событие по переходу по ссылке.
/// </summary>
/// <param name="sender">Источник события.</param>
/// <param name="e">Событие.</param>
private async Task HandleNavigationLinkClick(object sender, LinkClickEventArgs e)
{
if (e.Link.Uri == null && e.Link.CustomData == null)
{
return;
}
var currentWindow = Shell.HamburgerMenu?.NavigationService?.FrameFacade?.Content as INavigationLinkCallback;
if (currentWindow != null)
{
if (currentWindow.HandleNavigationLinkClick(sender, e))
{
return;
}
}
var link = e.Link.CustomData as BoardLinkBase;
string uri = e.Link.Uri;
if (link != null)
{
if ((link.LinkKind & BoardLinkKind.Thread) != 0 || (link.LinkKind & BoardLinkKind.Post) != 0)
{
ServiceLocator.Current.GetServiceOrThrow<IPageNavigationService>().Navigate(new ThreadNavigationTarget(link));
return;
}
if ((link.LinkKind & BoardLinkKind.BoardPage) != 0)
{
ServiceLocator.Current.GetServiceOrThrow<IPageNavigationService>().Navigate(new BoardInfoNavigationTarget(link));
return;
}
if ((link.LinkKind & BoardLinkKind.Catalog) != 0 || (link.LinkKind & BoardLinkKind.ThreadTag) != 0)
{
ServiceLocator.Current.GetServiceOrThrow<IPageNavigationService>().Navigate(new BoardCatalogNavigationTarget(link));
return;
}
if ((link.LinkKind & BoardLinkKind.Media) != 0)
{
ServiceLocator.Current.GetServiceOrThrow<IPageNavigationService>().Navigate(new MediaNavigationTarget(link));
return;
}
if ((link.LinkKind & BoardLinkKind.Youtube) != 0)
{
if (await NavigateYoutube(link))
{
return;
}
}
if (uri == null || uri == "[data]")
{
var engines = ServiceLocator.Current.GetServiceOrThrow<INetworkEngines>();
var engine = engines.FindEngine(link.Engine);
if (engine != null)
{
uri = engine.EngineUriService.GetBrowserLink(link)?.ToString();
}
}
}
if (uri != null && uri != "[data]")
{
var uriObj = new Uri(uri, UriKind.Absolute);
var success = await Windows.System.Launcher.LaunchUriAsync(uriObj);
if (!success)
{
throw new InvalidOperationException($"Ошибка запуска URL \"{uri}\"");
}
}
}
