MotionLayout - ViewModel

MainActivityViewModel.kt

class MainActivityViewModel: ViewModel() {

    //...
    
    private fun setOrientation(requestedOrientation: Int = -1) {

        val newOrientation = requestedOrientation.takeUnless { it == -1 } ?: currentOrientation

        _layoutState.value = when (newOrientation) {
            Configuration.ORIENTATION_LANDSCAPE -> VideoLayoutState.FULLSCREEN
            else -> {
                if (showInPipMode) {
                    VideoLayoutState.PIP
                } else {
                    VideoLayoutState.EMBEDDED
                }
            }
        }
    }
    
    fun onOrientationForced(orientation: Int) {
        setOrientation(orientation)
    }

    fun onVideoToggled() {
        val newState = when (_playbackState.value) {
            VideoPlaybackState.STOPPED -> VideoPlaybackState.PLAYING
            else -> VideoPlaybackState.STOPPED
        }

        _playbackState.value = newState
    }

    fun onVideoClosed() {
        if (_layoutState.value == VideoLayoutState.FULLSCREEN) {
            _layoutState.value = if (showInPipMode) VideoLayoutState.PIP else VideoLayoutState.EMBEDDED
        }

        _playbackState.value = VideoPlaybackState.STOPPED
    }

    fun onPipToggled() {
        _layoutState.value = when (_layoutState.value) {
            VideoLayoutState.PIP -> VideoLayoutState.EMBEDDED
            else -> VideoLayoutState.PIP
        }
    }


}