public IObservable <KeyPress> GetKeyStream()
{
// We are using an observable create to tie the lifetimes of the session switch stream and the keystream
return(Observable.Create <KeyPress>(observer =>
{
// When desktop is locked we will not get the keyup, because we track the windows key
// specially we need to set it to not being pressed anymore
var sessionSwitchStreamSubscription = desktopLockEventService.GetSessionSwitchStream()
.Subscribe(ss =>
{
if (ss.Reason == SessionSwitchReason.SessionLock)
{
winKeyPressed = false;
}
}, observer.OnError);
var keyStreamSubsription = interceptKeysSource.GetKeyStream()
.Select(DetectWindowsKey)
.Where(k => !IsModifierKeyPress(k) && k.KeyDirection == KeyDirection.Down)
.Select(ToCarnacKeyPress)
.Where(keypress => keypress != null)
.Where(k => !passwordModeService.CheckPasswordMode(k.InterceptKeyEventArgs))
.Subscribe(observer);
return new CompositeDisposable(sessionSwitchStreamSubscription, keyStreamSubsription);
}));
}
public IDisposable Subscribe(IObserver <KeyPress> observer)
{
return(interceptKeysSource
.Select(DetectWindowsKey)
.Where(k => !IsModifierKeyPress(k) && k.KeyDirection == KeyDirection.Down)
.Select(ToCarnacKeyPress)
.Where(k => !passwordModeService.CheckPasswordMode(k.InterceptKeyEventArgs))
.Subscribe(observer));
}