use crate::*;

impl Handle<Tui> for TransportToolbar {
    fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
        Ok(
            from.key(KeyCode::Right).does(||self.focus_next())?
            ||
            from.key(KeyCode::Left).does(||self.focus_prev())?
            ||
            from.key(KeyCode::Char(' ')).does(||self.toggle_play())?
        )
    }
}

impl Handle<Tui> for TransportPlayPauseButton {
    fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
        Ok(None)
    }
}

impl Handle<Tui> for TransportBPM { 
    fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
        //TransportFocus::BPM   => {
            //transport.timebase.bpm.fetch_add(1.0, Ordering::Relaxed);
        //},
        //TransportFocus::BPM   => {
            //transport.timebase.bpm.fetch_sub(1.0, Ordering::Relaxed);
        //},
        Ok(None)
    }
}

impl Handle<Tui> for TransportQuantize {
    fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
        //TransportFocus::Quant => {
            //transport.quant.value = next_note_length(transport.quant)
        //},
        //TransportFocus::Quant => {
            //transport.quant.value = prev_note_length(transport.quant);
        //},
        Ok(None)
    }
}

impl Handle<Tui> for TransportSync {
    fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
        //TransportFocus::Sync  => {
            //transport.sync.value = next_note_length(transport.sync)
        //},
        //TransportFocus::Sync  => {
            //transport.sync.value = prev_note_length(transport.sync);
        //},
        Ok(None)
    }
}

impl Handle<Tui> for TransportClock {
    fn handle (&mut self, from: &Tui) -> Perhaps<bool> {
        //TransportFocus::Sync  => {
            //transport.sync.value = next_note_length(transport.sync)
        //},
        //TransportFocus::Sync  => {
            //transport.sync.value = prev_note_length(transport.sync);
        //},
        Ok(None)
    }
}