fidl_fuchsia_session_scene/

fidl_fuchsia_session_scene.rs

// WARNING: This file is machine generated by fidlgen.

#![warn(clippy::all)]
#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]

use bitflags::bitflags;
use fidl::client::QueryResponseFut;
use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
use fidl::endpoints::{ControlHandle as _, Responder as _};
pub use fidl_fuchsia_session_scene__common::*;
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

#[derive(Debug, PartialEq)]
pub struct ManagerPresentRootViewLegacyRequest {
    pub view_holder_token: fidl_fuchsia_ui_views::ViewHolderToken,
    pub view_ref: fidl_fuchsia_ui_views::ViewRef,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ManagerPresentRootViewLegacyRequest
{
}

#[derive(Debug, PartialEq)]
pub struct ManagerPresentRootViewRequest {
    pub viewport_creation_token: fidl_fuchsia_ui_views::ViewportCreationToken,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ManagerPresentRootViewRequest
{
}

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ManagerSetRootViewRequest {
    pub view_provider: fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect> for ManagerSetRootViewRequest {}

#[derive(Debug, PartialEq)]
pub struct ManagerSetRootViewResponse {
    pub view_ref: fidl_fuchsia_ui_views::ViewRef,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ManagerSetRootViewResponse
{
}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ManagerMarker;

impl fidl::endpoints::ProtocolMarker for ManagerMarker {
    type Proxy = ManagerProxy;
    type RequestStream = ManagerRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ManagerSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.session.scene.Manager";
}
impl fidl::endpoints::DiscoverableProtocolMarker for ManagerMarker {}
pub type ManagerSetRootViewResult = Result<fidl_fuchsia_ui_views::ViewRef, PresentRootViewError>;
pub type ManagerPresentRootViewLegacyResult = Result<(), PresentRootViewError>;
pub type ManagerPresentRootViewResult = Result<(), PresentRootViewError>;

pub trait ManagerProxyInterface: Send + Sync {
    type SetRootViewResponseFut: std::future::Future<Output = Result<ManagerSetRootViewResult, fidl::Error>>
        + Send;
    fn r#set_root_view(
        &self,
        view_provider: fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
    ) -> Self::SetRootViewResponseFut;
    type PresentRootViewLegacyResponseFut: std::future::Future<Output = Result<ManagerPresentRootViewLegacyResult, fidl::Error>>
        + Send;
    fn r#present_root_view_legacy(
        &self,
        view_holder_token: fidl_fuchsia_ui_views::ViewHolderToken,
        view_ref: fidl_fuchsia_ui_views::ViewRef,
    ) -> Self::PresentRootViewLegacyResponseFut;
    type PresentRootViewResponseFut: std::future::Future<Output = Result<ManagerPresentRootViewResult, fidl::Error>>
        + Send;
    fn r#present_root_view(
        &self,
        viewport_creation_token: fidl_fuchsia_ui_views::ViewportCreationToken,
    ) -> Self::PresentRootViewResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ManagerSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ManagerSynchronousProxy {
    type Proxy = ManagerProxy;
    type Protocol = ManagerMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl ManagerSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ManagerMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(
        &self,
        deadline: zx::MonotonicInstant,
    ) -> Result<ManagerEvent, fidl::Error> {
        ManagerEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Sets the root view of the scene graph to the view provided by `view_provider`.
    ///
    /// Subsequent calls will replace the view tree with the one starting at the new root view.
    /// The root view is shared between all clients of `Manager`.
    ///
    /// Returns a `fuchsia.ui.views.ViewRef` referencing the view provided by `view_provider`.
    /// If this ViewRef cannot be returned (e.g. in Flatland case, if the ViewCreationToken is
    /// dropped before it is given to Scenic), then the connection to the `Manager` will be closed.
    ///
    /// The client can expect that:
    ///
    /// (1) Its root view will be focused once it's connected to the scene.
    /// (2) The logical size and position of its root view match the display.
    ///
    /// TODO(https://fxbug.dev/42055565): Fix this situation.
    /// NOTE: the ViewRef is only returned after the child view is connected to the scene graph.
    /// Therefore, the caller must guarantee that the child view will eventually be connected before
    /// waiting for the ViewRef; if the child view doesn't connect, it is possible to deadlock.
    pub fn r#set_root_view(
        &self,
        mut view_provider: fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ManagerSetRootViewResult, fidl::Error> {
        let _response =
            self.client.send_query::<ManagerSetRootViewRequest, fidl::encoding::ResultType<
                ManagerSetRootViewResponse,
                PresentRootViewError,
            >>(
                (view_provider,),
                0x3095976368270dc4,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response.map(|x| x.view_ref))
    }

    /// Presents a view tree to the display, via the provided view holder token.
    ///
    /// This call will present the view using the legacy GFX API.
    ///
    /// Subsequent calls will replace the view tree with the one starting at the new root viewport.
    /// The root view is shared between all clients of `Manager`.
    ///
    /// The client can expect that:
    ///
    /// (1) Its root view will be focused once it's connected to the scene.
    /// (2) The logical size and position of its root view match the display.
    ///
    /// TODO(https://fxbug.dev/42055565): Fix this situation.
    /// NOTE: this method returns only after the child view is connected to the scene graph.
    /// Therefore, the caller must guarantee that the child view will eventually be connected before
    /// waiting for the return; if the child view doesn't connect, it is possible to deadlock.
    pub fn r#present_root_view_legacy(
        &self,
        mut view_holder_token: fidl_fuchsia_ui_views::ViewHolderToken,
        mut view_ref: fidl_fuchsia_ui_views::ViewRef,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ManagerPresentRootViewLegacyResult, fidl::Error> {
        let _response = self.client.send_query::<
            ManagerPresentRootViewLegacyRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, PresentRootViewError>,
        >(
            (&mut view_holder_token, &mut view_ref,),
            0x17729b456a2eff7,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Presents a view tree to the display, via the provided viewport token.
    ///
    /// Subsequent calls will replace the view tree with the one starting at the new root viewport.
    /// The root view is shared between all clients of `Manager`.
    ///
    /// The client can expect that:
    ///
    /// (1) Its root view will be focused once it's connected to the scene.
    /// (2) The logical size and position of its root view match the display.
    ///
    /// TODO(https://fxbug.dev/42055565): Fix this situation.
    /// NOTE: this method returns only after the child view is connected to the scene graph.
    /// Therefore, the caller must guarantee that the child view will eventually be connected before
    /// waiting for the return; if the child view doesn't connect, it is possible to deadlock.
    pub fn r#present_root_view(
        &self,
        mut viewport_creation_token: fidl_fuchsia_ui_views::ViewportCreationToken,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ManagerPresentRootViewResult, fidl::Error> {
        let _response =
            self.client.send_query::<ManagerPresentRootViewRequest, fidl::encoding::ResultType<
                fidl::encoding::EmptyStruct,
                PresentRootViewError,
            >>(
                (&mut viewport_creation_token,),
                0x51e070bb675a18df,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response.map(|x| x))
    }
}

#[cfg(target_os = "fuchsia")]
impl From<ManagerSynchronousProxy> for zx::NullableHandle {
    fn from(value: ManagerSynchronousProxy) -> Self {
        value.into_channel().into()
    }
}

#[cfg(target_os = "fuchsia")]
impl From<fidl::Channel> for ManagerSynchronousProxy {
    fn from(value: fidl::Channel) -> Self {
        Self::new(value)
    }
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::FromClient for ManagerSynchronousProxy {
    type Protocol = ManagerMarker;

    fn from_client(value: fidl::endpoints::ClientEnd<ManagerMarker>) -> Self {
        Self::new(value.into_channel())
    }
}

#[derive(Debug, Clone)]
pub struct ManagerProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for ManagerProxy {
    type Protocol = ManagerMarker;

    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl ManagerProxy {
    /// Create a new Proxy for fuchsia.session.scene/Manager.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ManagerMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> ManagerEventStream {
        ManagerEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Sets the root view of the scene graph to the view provided by `view_provider`.
    ///
    /// Subsequent calls will replace the view tree with the one starting at the new root view.
    /// The root view is shared between all clients of `Manager`.
    ///
    /// Returns a `fuchsia.ui.views.ViewRef` referencing the view provided by `view_provider`.
    /// If this ViewRef cannot be returned (e.g. in Flatland case, if the ViewCreationToken is
    /// dropped before it is given to Scenic), then the connection to the `Manager` will be closed.
    ///
    /// The client can expect that:
    ///
    /// (1) Its root view will be focused once it's connected to the scene.
    /// (2) The logical size and position of its root view match the display.
    ///
    /// TODO(https://fxbug.dev/42055565): Fix this situation.
    /// NOTE: the ViewRef is only returned after the child view is connected to the scene graph.
    /// Therefore, the caller must guarantee that the child view will eventually be connected before
    /// waiting for the ViewRef; if the child view doesn't connect, it is possible to deadlock.
    pub fn r#set_root_view(
        &self,
        mut view_provider: fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
    ) -> fidl::client::QueryResponseFut<
        ManagerSetRootViewResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ManagerProxyInterface::r#set_root_view(self, view_provider)
    }

    /// Presents a view tree to the display, via the provided view holder token.
    ///
    /// This call will present the view using the legacy GFX API.
    ///
    /// Subsequent calls will replace the view tree with the one starting at the new root viewport.
    /// The root view is shared between all clients of `Manager`.
    ///
    /// The client can expect that:
    ///
    /// (1) Its root view will be focused once it's connected to the scene.
    /// (2) The logical size and position of its root view match the display.
    ///
    /// TODO(https://fxbug.dev/42055565): Fix this situation.
    /// NOTE: this method returns only after the child view is connected to the scene graph.
    /// Therefore, the caller must guarantee that the child view will eventually be connected before
    /// waiting for the return; if the child view doesn't connect, it is possible to deadlock.
    pub fn r#present_root_view_legacy(
        &self,
        mut view_holder_token: fidl_fuchsia_ui_views::ViewHolderToken,
        mut view_ref: fidl_fuchsia_ui_views::ViewRef,
    ) -> fidl::client::QueryResponseFut<
        ManagerPresentRootViewLegacyResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ManagerProxyInterface::r#present_root_view_legacy(self, view_holder_token, view_ref)
    }

    /// Presents a view tree to the display, via the provided viewport token.
    ///
    /// Subsequent calls will replace the view tree with the one starting at the new root viewport.
    /// The root view is shared between all clients of `Manager`.
    ///
    /// The client can expect that:
    ///
    /// (1) Its root view will be focused once it's connected to the scene.
    /// (2) The logical size and position of its root view match the display.
    ///
    /// TODO(https://fxbug.dev/42055565): Fix this situation.
    /// NOTE: this method returns only after the child view is connected to the scene graph.
    /// Therefore, the caller must guarantee that the child view will eventually be connected before
    /// waiting for the return; if the child view doesn't connect, it is possible to deadlock.
    pub fn r#present_root_view(
        &self,
        mut viewport_creation_token: fidl_fuchsia_ui_views::ViewportCreationToken,
    ) -> fidl::client::QueryResponseFut<
        ManagerPresentRootViewResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ManagerProxyInterface::r#present_root_view(self, viewport_creation_token)
    }
}

impl ManagerProxyInterface for ManagerProxy {
    type SetRootViewResponseFut = fidl::client::QueryResponseFut<
        ManagerSetRootViewResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#set_root_view(
        &self,
        mut view_provider: fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
    ) -> Self::SetRootViewResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ManagerSetRootViewResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<ManagerSetRootViewResponse, PresentRootViewError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x3095976368270dc4,
            >(_buf?)?;
            Ok(_response.map(|x| x.view_ref))
        }
        self.client.send_query_and_decode::<ManagerSetRootViewRequest, ManagerSetRootViewResult>(
            (view_provider,),
            0x3095976368270dc4,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type PresentRootViewLegacyResponseFut = fidl::client::QueryResponseFut<
        ManagerPresentRootViewLegacyResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#present_root_view_legacy(
        &self,
        mut view_holder_token: fidl_fuchsia_ui_views::ViewHolderToken,
        mut view_ref: fidl_fuchsia_ui_views::ViewRef,
    ) -> Self::PresentRootViewLegacyResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ManagerPresentRootViewLegacyResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, PresentRootViewError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x17729b456a2eff7,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            ManagerPresentRootViewLegacyRequest,
            ManagerPresentRootViewLegacyResult,
        >(
            (&mut view_holder_token, &mut view_ref,),
            0x17729b456a2eff7,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type PresentRootViewResponseFut = fidl::client::QueryResponseFut<
        ManagerPresentRootViewResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#present_root_view(
        &self,
        mut viewport_creation_token: fidl_fuchsia_ui_views::ViewportCreationToken,
    ) -> Self::PresentRootViewResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ManagerPresentRootViewResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, PresentRootViewError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x51e070bb675a18df,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<ManagerPresentRootViewRequest, ManagerPresentRootViewResult>(
                (&mut viewport_creation_token,),
                0x51e070bb675a18df,
                fidl::encoding::DynamicFlags::empty(),
                _decode,
            )
    }
}

pub struct ManagerEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl std::marker::Unpin for ManagerEventStream {}

impl futures::stream::FusedStream for ManagerEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for ManagerEventStream {
    type Item = Result<ManagerEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(ManagerEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum ManagerEvent {}

impl ManagerEvent {
    /// Decodes a message buffer as a [`ManagerEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ManagerEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <ManagerMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.session.scene/Manager.
pub struct ManagerRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for ManagerRequestStream {}

impl futures::stream::FusedStream for ManagerRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for ManagerRequestStream {
    type Protocol = ManagerMarker;
    type ControlHandle = ManagerControlHandle;

    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        ManagerControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for ManagerRequestStream {
    type Item = Result<ManagerRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled ManagerRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(e)) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))));
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x3095976368270dc4 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ManagerSetRootViewRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ManagerSetRootViewRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ManagerControlHandle { inner: this.inner.clone() };
                        Ok(ManagerRequest::SetRootView {
                            view_provider: req.view_provider,

                            responder: ManagerSetRootViewResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x17729b456a2eff7 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ManagerPresentRootViewLegacyRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ManagerPresentRootViewLegacyRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ManagerControlHandle { inner: this.inner.clone() };
                        Ok(ManagerRequest::PresentRootViewLegacy {
                            view_holder_token: req.view_holder_token,
                            view_ref: req.view_ref,

                            responder: ManagerPresentRootViewLegacyResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x51e070bb675a18df => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ManagerPresentRootViewRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ManagerPresentRootViewRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ManagerControlHandle { inner: this.inner.clone() };
                        Ok(ManagerRequest::PresentRootView {
                            viewport_creation_token: req.viewport_creation_token,

                            responder: ManagerPresentRootViewResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ManagerMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// A protocol used to manage the scene graph of the session.
///
/// This protocol is exposed by the `scene_manager` component. The `scene_manager`
/// component configures and constructs a scene graph in Scenic. A product may
/// use the `scene_manager` to reduce Scenic-related configuration code in their session.
#[derive(Debug)]
pub enum ManagerRequest {
    /// Sets the root view of the scene graph to the view provided by `view_provider`.
    ///
    /// Subsequent calls will replace the view tree with the one starting at the new root view.
    /// The root view is shared between all clients of `Manager`.
    ///
    /// Returns a `fuchsia.ui.views.ViewRef` referencing the view provided by `view_provider`.
    /// If this ViewRef cannot be returned (e.g. in Flatland case, if the ViewCreationToken is
    /// dropped before it is given to Scenic), then the connection to the `Manager` will be closed.
    ///
    /// The client can expect that:
    ///
    /// (1) Its root view will be focused once it's connected to the scene.
    /// (2) The logical size and position of its root view match the display.
    ///
    /// TODO(https://fxbug.dev/42055565): Fix this situation.
    /// NOTE: the ViewRef is only returned after the child view is connected to the scene graph.
    /// Therefore, the caller must guarantee that the child view will eventually be connected before
    /// waiting for the ViewRef; if the child view doesn't connect, it is possible to deadlock.
    SetRootView {
        view_provider: fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
        responder: ManagerSetRootViewResponder,
    },
    /// Presents a view tree to the display, via the provided view holder token.
    ///
    /// This call will present the view using the legacy GFX API.
    ///
    /// Subsequent calls will replace the view tree with the one starting at the new root viewport.
    /// The root view is shared between all clients of `Manager`.
    ///
    /// The client can expect that:
    ///
    /// (1) Its root view will be focused once it's connected to the scene.
    /// (2) The logical size and position of its root view match the display.
    ///
    /// TODO(https://fxbug.dev/42055565): Fix this situation.
    /// NOTE: this method returns only after the child view is connected to the scene graph.
    /// Therefore, the caller must guarantee that the child view will eventually be connected before
    /// waiting for the return; if the child view doesn't connect, it is possible to deadlock.
    PresentRootViewLegacy {
        view_holder_token: fidl_fuchsia_ui_views::ViewHolderToken,
        view_ref: fidl_fuchsia_ui_views::ViewRef,
        responder: ManagerPresentRootViewLegacyResponder,
    },
    /// Presents a view tree to the display, via the provided viewport token.
    ///
    /// Subsequent calls will replace the view tree with the one starting at the new root viewport.
    /// The root view is shared between all clients of `Manager`.
    ///
    /// The client can expect that:
    ///
    /// (1) Its root view will be focused once it's connected to the scene.
    /// (2) The logical size and position of its root view match the display.
    ///
    /// TODO(https://fxbug.dev/42055565): Fix this situation.
    /// NOTE: this method returns only after the child view is connected to the scene graph.
    /// Therefore, the caller must guarantee that the child view will eventually be connected before
    /// waiting for the return; if the child view doesn't connect, it is possible to deadlock.
    PresentRootView {
        viewport_creation_token: fidl_fuchsia_ui_views::ViewportCreationToken,
        responder: ManagerPresentRootViewResponder,
    },
}

impl ManagerRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_set_root_view(
        self,
    ) -> Option<(
        fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
        ManagerSetRootViewResponder,
    )> {
        if let ManagerRequest::SetRootView { view_provider, responder } = self {
            Some((view_provider, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_present_root_view_legacy(
        self,
    ) -> Option<(
        fidl_fuchsia_ui_views::ViewHolderToken,
        fidl_fuchsia_ui_views::ViewRef,
        ManagerPresentRootViewLegacyResponder,
    )> {
        if let ManagerRequest::PresentRootViewLegacy { view_holder_token, view_ref, responder } =
            self
        {
            Some((view_holder_token, view_ref, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_present_root_view(
        self,
    ) -> Option<(fidl_fuchsia_ui_views::ViewportCreationToken, ManagerPresentRootViewResponder)>
    {
        if let ManagerRequest::PresentRootView { viewport_creation_token, responder } = self {
            Some((viewport_creation_token, responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ManagerRequest::SetRootView { .. } => "set_root_view",
            ManagerRequest::PresentRootViewLegacy { .. } => "present_root_view_legacy",
            ManagerRequest::PresentRootView { .. } => "present_root_view",
        }
    }
}

#[derive(Debug, Clone)]
pub struct ManagerControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
}

impl fidl::endpoints::ControlHandle for ManagerControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }

    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl ManagerControlHandle {}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ManagerSetRootViewResponder {
    control_handle: std::mem::ManuallyDrop<ManagerControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ManagerControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ManagerSetRootViewResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ManagerSetRootViewResponder {
    type ControlHandle = ManagerControlHandle;

    fn control_handle(&self) -> &ManagerControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ManagerSetRootViewResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<fidl_fuchsia_ui_views::ViewRef, PresentRootViewError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<fidl_fuchsia_ui_views::ViewRef, PresentRootViewError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<fidl_fuchsia_ui_views::ViewRef, PresentRootViewError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            ManagerSetRootViewResponse,
            PresentRootViewError,
        >>(
            result.as_mut().map_err(|e| *e).map(|view_ref| (view_ref,)),
            self.tx_id,
            0x3095976368270dc4,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ManagerPresentRootViewLegacyResponder {
    control_handle: std::mem::ManuallyDrop<ManagerControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ManagerControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ManagerPresentRootViewLegacyResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ManagerPresentRootViewLegacyResponder {
    type ControlHandle = ManagerControlHandle;

    fn control_handle(&self) -> &ManagerControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ManagerPresentRootViewLegacyResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<(), PresentRootViewError>) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<(), PresentRootViewError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut result: Result<(), PresentRootViewError>) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            fidl::encoding::EmptyStruct,
            PresentRootViewError,
        >>(
            result,
            self.tx_id,
            0x17729b456a2eff7,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ManagerPresentRootViewResponder {
    control_handle: std::mem::ManuallyDrop<ManagerControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ManagerControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ManagerPresentRootViewResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ManagerPresentRootViewResponder {
    type ControlHandle = ManagerControlHandle;

    fn control_handle(&self) -> &ManagerControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ManagerPresentRootViewResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<(), PresentRootViewError>) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<(), PresentRootViewError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut result: Result<(), PresentRootViewError>) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            fidl::encoding::EmptyStruct,
            PresentRootViewError,
        >>(
            result,
            self.tx_id,
            0x51e070bb675a18df,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;

    impl fidl::encoding::ResourceTypeMarker for ManagerPresentRootViewLegacyRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ManagerPresentRootViewLegacyRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            8
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ManagerPresentRootViewLegacyRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ManagerPresentRootViewLegacyRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagerPresentRootViewLegacyRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ManagerPresentRootViewLegacyRequest, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <fidl_fuchsia_ui_views::ViewHolderToken as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.view_holder_token),
                    <fidl_fuchsia_ui_views::ViewRef as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.view_ref),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<
                fidl_fuchsia_ui_views::ViewHolderToken,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        T1: fidl::encoding::Encode<
                fidl_fuchsia_ui_views::ViewRef,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
    >
        fidl::encoding::Encode<
            ManagerPresentRootViewLegacyRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagerPresentRootViewLegacyRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 4, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ManagerPresentRootViewLegacyRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                view_holder_token: fidl::new_empty!(
                    fidl_fuchsia_ui_views::ViewHolderToken,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                view_ref: fidl::new_empty!(
                    fidl_fuchsia_ui_views::ViewRef,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl_fuchsia_ui_views::ViewHolderToken,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.view_holder_token,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl_fuchsia_ui_views::ViewRef,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.view_ref,
                decoder,
                offset + 4,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ManagerPresentRootViewRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ManagerPresentRootViewRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            4
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ManagerPresentRootViewRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ManagerPresentRootViewRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagerPresentRootViewRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ManagerPresentRootViewRequest, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <fidl_fuchsia_ui_views::ViewportCreationToken as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.viewport_creation_token),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<
                fidl_fuchsia_ui_views::ViewportCreationToken,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
    >
        fidl::encoding::Encode<
            ManagerPresentRootViewRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagerPresentRootViewRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ManagerPresentRootViewRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                viewport_creation_token: fidl::new_empty!(
                    fidl_fuchsia_ui_views::ViewportCreationToken,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl_fuchsia_ui_views::ViewportCreationToken,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.viewport_creation_token,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ManagerSetRootViewRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ManagerSetRootViewRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            4
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ManagerSetRootViewRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ManagerSetRootViewRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagerSetRootViewRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                ManagerSetRootViewRequest,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (<fidl::encoding::Endpoint<
                    fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
                > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                    &mut self.view_provider
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<
                fidl::encoding::Endpoint<
                    fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
    >
        fidl::encoding::Encode<
            ManagerSetRootViewRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagerSetRootViewRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ManagerSetRootViewRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                view_provider: fidl::new_empty!(
                    fidl::encoding::Endpoint<
                        fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
                    >,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl::encoding::Endpoint<
                    fidl::endpoints::ClientEnd<fidl_fuchsia_ui_app::ViewProviderMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.view_provider,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ManagerSetRootViewResponse {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ManagerSetRootViewResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            4
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ManagerSetRootViewResponse,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ManagerSetRootViewResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagerSetRootViewResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ManagerSetRootViewResponse, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <fidl_fuchsia_ui_views::ViewRef as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.view_ref),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<
                fidl_fuchsia_ui_views::ViewRef,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
    >
        fidl::encoding::Encode<
            ManagerSetRootViewResponse,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagerSetRootViewResponse>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ManagerSetRootViewResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                view_ref: fidl::new_empty!(
                    fidl_fuchsia_ui_views::ViewRef,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl_fuchsia_ui_views::ViewRef,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.view_ref,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }
}