public RedViewModel(IViewStackService viewStackService) : base(viewStackService)
{
PopModal = ReactiveCommand
.CreateFromObservable(() =>
ViewStackService.PopModal(),
outputScheduler: RxApp.MainThreadScheduler);
PopPage = ReactiveCommand
.CreateFromObservable(() =>
ViewStackService.PopPage(),
outputScheduler: RxApp.MainThreadScheduler);
PushPage = ReactiveCommand
.CreateFromObservable(() =>
ViewStackService.PushPage(new RedViewModel(ViewStackService)),
outputScheduler: RxApp.MainThreadScheduler);
PopToRoot = ReactiveCommand
.CreateFromObservable(() =>
ViewStackService.PopToRootPage(),
outputScheduler: RxApp.MainThreadScheduler);
PopModal.Subscribe(x => Debug.WriteLine("PagePushed"));
PopModal.ThrownExceptions.Subscribe(error => Interactions.ErrorMessage.Handle(error).Subscribe());
PopPage.ThrownExceptions.Subscribe(error => Interactions.ErrorMessage.Handle(error).Subscribe());
PushPage.ThrownExceptions.Subscribe(error => Interactions.ErrorMessage.Handle(error).Subscribe());
PopToRoot.ThrownExceptions.Subscribe(error => Interactions.ErrorMessage.Handle(error).Subscribe());
}
public AddressViewModel(HdPubKey model)
: base(Locator.Current.GetService <IViewStackService>())
{
Global = Locator.Current.GetService <Global>();
Global.NotificationManager.RequestAuthorization();
Model = model;
_bitcoinUri = this
.WhenAnyValue(x => x.RequestAmountViewModel.RequestAmount)
.Select(amount => {
return($"bitcoin:{Address}?amount={amount}");
})
.ToProperty(this, nameof(BitcoinUri));
this.WhenAnyValue(x => x.BitcoinUri)
.Subscribe((uri) => EncodeQRCode());
RequestAmountCommand = ReactiveCommand.CreateFromObservable <Unit, Unit>(_ =>
{
if (RequestAmountViewModel is null)
{
RequestAmountViewModel = new RequestAmountViewModel();
}
ViewStackService.PushModal(RequestAmountViewModel).Subscribe();
return(Observable.Return(Unit.Default));
});
ShareCommand = ReactiveCommand.CreateFromTask <string>(ShareBoundString);
NavWalletCommand = ReactiveCommand.CreateFromObservable <Unit, Unit>(_ =>
{
ViewStackService.PopPage(false);
return(ViewStackService.PopPage(true));
});
}
public BackUpViewModel(List <string> seedWords)
: base(Locator.Current.GetService <IViewStackService>())
{
Global = Locator.Current.GetService <Global>();
SeedWords = seedWords;
IndexedWords = new string[SeedWords.Count()];
for (int i = 0; i < SeedWords.Count(); i++)
{
IndexedWords[i] = $"{i+1}. {SeedWords[i]}";
}
VerifyCommand = ReactiveCommand.CreateFromObservable(() =>
{
if (Global.UiConfig.IsBackedUp)
{
// pop back home
ViewStackService.PopPage();
ViewStackService.PopPage();
}
else
{
// verify backup
ViewStackService.PushPage(new VerifyMnemonicViewModel(SeedWords, null)).Subscribe();
}
return(Observable.Return(Unit.Default));
});
}
public static IObservable <Unit> PopPage(this ViewStackService viewStackService, int pages = 1)
{
for (var i = 0; i < pages; i++)
{
viewStackService.PopPage().Subscribe();
}
return(Observable.Return(Unit.Default));
}
public SentViewModel()
: base(Locator.Current.GetService <IViewStackService>())
{
NavWalletCommand = ReactiveCommand.CreateFromObservable(() =>
{
ViewStackService.PopPage(false);
ViewStackService.PopPage(false);
return(ViewStackService.PopPage(true));
});
}
// <param name="isFinal">
// we verify 2 words, isFinal -> we verified 1 word already
// </param>
public VerifyMnemonicViewModel(List <string> seedWords, string previouslyVerified)
: base(Locator.Current.GetService <IViewStackService>())
{
Global = Locator.Current.GetService <Global>();
SeedWords = seedWords;
while (WordToVerify == null || WordToVerify == previouslyVerified)
{
// "random" check words were written. no need for CSPRNG
WordToVerify = seedWords.RandomElement();
}
IndexToVerify = seedWords.IndexOf(WordToVerify);
VerifiedCommand = ReactiveCommand.CreateFromObservable(() =>
{
if (previouslyVerified != null)
{
Global.UiConfig.IsBackedUp = true;
Global.UiConfig.ToFile(); // successfully backed up!
ViewStackService.PopPage(false); // this
ViewStackService.PopPage(false); // previouslyVerified
ViewStackService.PopPage(false);
ViewStackService.PopPage(); // words
}
else
{
ViewStackService.PushPage(new VerifyMnemonicViewModel(seedWords, WordToVerify)).Subscribe();
}
return(Observable.Return(Unit.Default));
});
FailedCommand = ReactiveCommand.CreateFromObservable(() =>
{
ViewStackService.PopPage(false); // this
if (previouslyVerified != null)
{
ViewStackService.PopPage(false); // previouslyVerified
}
return(Observable.Return(Unit.Default));
});
}
