public LinkViewModel(Thing linkThing, IBaconProvider baconProvider, bool? wasStreamed = null)
{
_linkThing = new TypedThing<Link>(linkThing);
_baconProvider = baconProvider;
_redditService = _baconProvider.GetService<IRedditService>();
_navigationService = _baconProvider.GetService<INavigationService>();
_imagesService = _baconProvider.GetService<IImagesService>();
_dynamicViewLocator = _baconProvider.GetService<IDynamicViewLocator>();
_settingsService = _baconProvider.GetService<ISettingsService>();
_isPreviewShown = false;
_isExtendedOptionsShown = false;
_loading = false;
_registeredLongNav = false;
ShowPreview = new RelayCommand(() => IsPreviewShown = !IsPreviewShown);
ShowExtendedOptions = new RelayCommand(() => IsExtendedOptionsShown = !IsExtendedOptionsShown);
WasStreamed = wasStreamed ?? false;
ContentIsFocused = !WasStreamed;
if (Url != null)
{
if (_imagesService.MightHaveImagesFromUrl(Url) && !Url.EndsWith(".jpg") && !Url.EndsWith(".gif") && !Url.EndsWith(".png"))
{
MessengerInstance.Register<LongNavigationMessage>(this, OnLongNav);
_registeredLongNav = true;
}
}
}
private static async Task<ViewModelBase> MakeContextedTuple(IImagesService imagesService, IOfflineService offlineService, ISettingsService settingsService, NeverEndingRedditView linksEnumerator)
{
ViewModelBase vm;
while ((vm = await linksEnumerator.Next()) != null)
{
if (vm is LinkViewModel && imagesService.MightHaveImagesFromUrl(((LinkViewModel)vm).Url) && (!settingsService.OnlyFlipViewUnread || !offlineService.HasHistory(((LinkViewModel)vm).Url)))
{
var targetViewModel = vm as LinkViewModel;
var smartOfflineService = ServiceLocator.Current.GetInstance<ISmartOfflineService>();
smartOfflineService.NavigatedToOfflineableThing(targetViewModel.LinkThing, false);
Messenger.Default.Send<LoadingMessage>(new LoadingMessage { Loading = true });
await ServiceLocator.Current.GetInstance<IOfflineService>().StoreHistory(targetViewModel.Url);
var imageResults = await ServiceLocator.Current.GetInstance<IImagesService>().GetImagesFromUrl(targetViewModel.LinkThing == null ? "" : targetViewModel.LinkThing.Data.Title, targetViewModel.Url);
Messenger.Default.Send<LoadingMessage>(new LoadingMessage { Loading = false });
if (imageResults != null && imageResults.Count() > 0)
{
var imageTuple = new Tuple<string, IEnumerable<Tuple<string, string>>, string>(targetViewModel.LinkThing != null ? targetViewModel.LinkThing.Data.Title : "", imageResults, targetViewModel.LinkThing != null ? targetViewModel.LinkThing.Data.Id : "");
Messenger.Default.Send<LongNavigationMessage>(new LongNavigationMessage { Finished = true, TargetUrl = targetViewModel.Url });
return new LinkedPictureViewModel
{
LinkTitle = imageTuple.Item1.Replace("&", "&").Replace("<", "<").Replace(">", ">").Replace(""", "\"").Replace("'", "'").Trim(),
LinkId = imageTuple.Item3,
Pictures = imageTuple.Item2.Select(tpl => new LinkedPictureViewModel.LinkedPicture
{
Title = tpl.Item1.Replace("&", "&").Replace("<", "<").Replace(">", ">").Replace(""", "\"").Replace("'", "'").Trim(),
ImageSource = tpl.Item2,
Url = tpl.Item2
})
};
}
}
else if (vm is LinkViewModel && LinkGlyphUtility.GetLinkGlyph(vm) == LinkGlyphUtility.WebGlyph && !settingsService.OnlyFlipViewImages && settingsService.ApplyReadabliltyToLinks && (!settingsService.OnlyFlipViewUnread || !offlineService.HasHistory(((LinkViewModel)vm).Url)))
{
var targetViewModel = vm as LinkViewModel;
var smartOfflineService = ServiceLocator.Current.GetInstance<ISmartOfflineService>();
smartOfflineService.NavigatedToOfflineableThing(targetViewModel.LinkThing, true);
await ServiceLocator.Current.GetInstance<IOfflineService>().StoreHistory(targetViewModel.Url);
var result = await ReadableArticleViewModel.LoadAtLeastOne(ServiceLocator.Current.GetInstance<ISimpleHttpService>(), targetViewModel.Url, targetViewModel.LinkThing.Data.Id);
result.WasStreamed = true;
result.ContentIsFocused = false;
return result;
}
else if (vm is LinkViewModel && ((LinkViewModel)vm).IsSelfPost && !settingsService.OnlyFlipViewImages && (!settingsService.OnlyFlipViewUnread || !offlineService.HasHistory(((LinkViewModel)vm).Url)))
{
var targetViewModel = vm as LinkViewModel;
var smartOfflineService = ServiceLocator.Current.GetInstance<ISmartOfflineService>();
smartOfflineService.NavigatedToOfflineableThing(targetViewModel.LinkThing, true);
await ServiceLocator.Current.GetInstance<IOfflineService>().StoreHistory(targetViewModel.Url);
return vm;
}
}
return null;
}