fidl_fuchsia_ui_composition_internal/

fidl_fuchsia_ui_composition_internal.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 _};
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

pub const SIGNAL_DISPLAY_NOT_OWNED: u32 = 16777216;

pub const SIGNAL_DISPLAY_OWNED: u32 = 33554432;

/// Possible errors of the ScreenCapture protocol.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub enum ScreenCaptureError {
    /// One or more of the arguments was missing.
    MissingArgs,
    /// One or more of the arguments was not valid.
    InvalidArgs,
    /// Indicates that the client has sent an overwritten hanging get.
    BadHangingGet,
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u32 },
}

/// Pattern that matches an unknown `ScreenCaptureError` member.
#[macro_export]
macro_rules! ScreenCaptureErrorUnknown {
    () => {
        _
    };
}

impl ScreenCaptureError {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            1 => Some(Self::MissingArgs),
            2 => Some(Self::InvalidArgs),
            3 => Some(Self::BadHangingGet),
            _ => None,
        }
    }

    #[inline]
    pub fn from_primitive_allow_unknown(prim: u32) -> Self {
        match prim {
            1 => Self::MissingArgs,
            2 => Self::InvalidArgs,
            3 => Self::BadHangingGet,
            unknown_ordinal => Self::__SourceBreaking { unknown_ordinal },
        }
    }

    #[inline]
    pub fn unknown() -> Self {
        Self::__SourceBreaking { unknown_ordinal: 0xffffffff }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        match self {
            Self::MissingArgs => 1,
            Self::InvalidArgs => 2,
            Self::BadHangingGet => 3,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

    #[inline]
    pub fn is_unknown(&self) -> bool {
        match self {
            Self::__SourceBreaking { unknown_ordinal: _ } => true,
            _ => false,
        }
    }
}

/// Rotation applied to the image.
/// For example, if the display is rotated 90 degrees according to its
/// `display_info` config file, the image can be captured as if the display
/// is not rotated (0 degrees) by applying CW_270_DEGREES.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum ScreenCaptureRotation {
    Cw0Degrees = 0,
    Cw90Degrees = 1,
    Cw180Degrees = 2,
    Cw270Degrees = 3,
}

impl ScreenCaptureRotation {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            0 => Some(Self::Cw0Degrees),
            1 => Some(Self::Cw90Degrees),
            2 => Some(Self::Cw180Degrees),
            3 => Some(Self::Cw270Degrees),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        self as u32
    }

    #[deprecated = "Strict enums should not use `is_unknown`"]
    #[inline]
    pub fn is_unknown(&self) -> bool {
        false
    }
}

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct DisplayOwnershipGetEventResponse {
    pub ownership_event: fidl::Event,
}

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

/// Return fields of the [`GetNextFrame`] call. These fields hold the
/// frame’s information on buffer location, timing, and a way to release
/// after using it. All fields will be returned by the server.
#[derive(Debug, Default, PartialEq)]
pub struct FrameInfo {
    /// The index of the VMO where the requested frame has been rendered
    /// in the buffer collection.
    pub buffer_index: Option<u32>,
    /// The time that the buffer was populated with the frame.
    pub capture_timestamp: Option<i64>,
    /// The release token for |buffer_index|. The client drops the eventpair
    /// to signal to the server that |buffer_index| is free for writing.
    /// If the eventpair is not dropped, then in the future calls to
    /// [`GetNextFrame`], if there are no available buffers, the server will
    /// wait until the client frees up a past buffer. If the client was holding
    /// on to all buffers in the buffer collection and then
    /// releases a buffer while hanging, the server will immediately return the
    /// latest frame.
    pub buffer_release_token: Option<fidl::EventPair>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

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

/// Fields required to set up a ScreenCapture protocol in the [`Configure`]
/// call. Notice some fields are optional.
#[derive(Debug, Default, PartialEq)]
pub struct ScreenCaptureConfig {
    /// The import token referencing a BufferCollection registered with the
    /// Allocator.
    /// Required.
    pub import_token: Option<fidl_fuchsia_ui_composition::BufferCollectionImportToken>,
    /// The size of the image in pixels: width and height.
    /// This should be the width and height calculated after the
    /// rotation that will be applied.
    /// Required.
    pub image_size: Option<fidl_fuchsia_math::SizeU>,
    /// The rotation applied to the stream of images.
    /// Defaults to CW_0_DEGREES (no rotation).
    /// Optional.
    pub image_rotation: Option<ScreenCaptureRotation>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

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

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

impl fidl::endpoints::ProtocolMarker for DisplayOwnershipMarker {
    type Proxy = DisplayOwnershipProxy;
    type RequestStream = DisplayOwnershipRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = DisplayOwnershipSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.ui.composition.internal.DisplayOwnership";
}
impl fidl::endpoints::DiscoverableProtocolMarker for DisplayOwnershipMarker {}

pub trait DisplayOwnershipProxyInterface: Send + Sync {
    type GetEventResponseFut: std::future::Future<Output = Result<fidl::Event, fidl::Error>> + Send;
    fn r#get_event(&self) -> Self::GetEventResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct DisplayOwnershipSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for DisplayOwnershipSynchronousProxy {
    type Proxy = DisplayOwnershipProxy;
    type Protocol = DisplayOwnershipMarker;

    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 DisplayOwnershipSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <DisplayOwnershipMarker 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<DisplayOwnershipEvent, fidl::Error> {
        DisplayOwnershipEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Gets an event signaled with SIGNAL_DISPLAY_OWNED or SIGNAL_DISPLAY_NOT_OWNED
    /// when display ownership changes.
    pub fn r#get_event(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<fidl::Event, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, DisplayOwnershipGetEventResponse>(
                (),
                0x2dc713e7b367312f,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response.ownership_event)
    }
}

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

impl fidl::endpoints::Proxy for DisplayOwnershipProxy {
    type Protocol = DisplayOwnershipMarker;

    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 DisplayOwnershipProxy {
    /// Create a new Proxy for fuchsia.ui.composition.internal/DisplayOwnership.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <DisplayOwnershipMarker 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) -> DisplayOwnershipEventStream {
        DisplayOwnershipEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Gets an event signaled with SIGNAL_DISPLAY_OWNED or SIGNAL_DISPLAY_NOT_OWNED
    /// when display ownership changes.
    pub fn r#get_event(
        &self,
    ) -> fidl::client::QueryResponseFut<fidl::Event, fidl::encoding::DefaultFuchsiaResourceDialect>
    {
        DisplayOwnershipProxyInterface::r#get_event(self)
    }
}

impl DisplayOwnershipProxyInterface for DisplayOwnershipProxy {
    type GetEventResponseFut =
        fidl::client::QueryResponseFut<fidl::Event, fidl::encoding::DefaultFuchsiaResourceDialect>;
    fn r#get_event(&self) -> Self::GetEventResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<fidl::Event, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                DisplayOwnershipGetEventResponse,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x2dc713e7b367312f,
            >(_buf?)?;
            Ok(_response.ownership_event)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, fidl::Event>(
            (),
            0x2dc713e7b367312f,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

impl futures::Stream for DisplayOwnershipEventStream {
    type Item = Result<DisplayOwnershipEvent, 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(DisplayOwnershipEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

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

impl DisplayOwnershipEvent {
    /// Decodes a message buffer as a [`DisplayOwnershipEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<DisplayOwnershipEvent, 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:
                    <DisplayOwnershipMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.ui.composition.internal/DisplayOwnership.
pub struct DisplayOwnershipRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for DisplayOwnershipRequestStream {
    type Protocol = DisplayOwnershipMarker;
    type ControlHandle = DisplayOwnershipControlHandle;

    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 {
        DisplayOwnershipControlHandle { 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 DisplayOwnershipRequestStream {
    type Item = Result<DisplayOwnershipRequest, 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 DisplayOwnershipRequestStream 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 {
                    0x2dc713e7b367312f => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            DisplayOwnershipControlHandle { inner: this.inner.clone() };
                        Ok(DisplayOwnershipRequest::GetEvent {
                            responder: DisplayOwnershipGetEventResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <DisplayOwnershipMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// Get information about Scenic ownership of the primary display.
#[derive(Debug)]
pub enum DisplayOwnershipRequest {
    /// Gets an event signaled with SIGNAL_DISPLAY_OWNED or SIGNAL_DISPLAY_NOT_OWNED
    /// when display ownership changes.
    GetEvent { responder: DisplayOwnershipGetEventResponder },
}

impl DisplayOwnershipRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_event(self) -> Option<(DisplayOwnershipGetEventResponder)> {
        if let DisplayOwnershipRequest::GetEvent { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            DisplayOwnershipRequest::GetEvent { .. } => "get_event",
        }
    }
}

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

impl fidl::endpoints::ControlHandle for DisplayOwnershipControlHandle {
    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 DisplayOwnershipControlHandle {}

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

/// Set the the channel to be shutdown (see [`DisplayOwnershipControlHandle::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 DisplayOwnershipGetEventResponder {
    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 DisplayOwnershipGetEventResponder {
    type ControlHandle = DisplayOwnershipControlHandle;

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

    fn send_raw(&self, mut ownership_event: fidl::Event) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<DisplayOwnershipGetEventResponse>(
            (ownership_event,),
            self.tx_id,
            0x2dc713e7b367312f,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

impl fidl::endpoints::ProtocolMarker for ScreenCaptureMarker {
    type Proxy = ScreenCaptureProxy;
    type RequestStream = ScreenCaptureRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ScreenCaptureSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.ui.composition.internal.ScreenCapture";
}
impl fidl::endpoints::DiscoverableProtocolMarker for ScreenCaptureMarker {}
pub type ScreenCaptureConfigureResult = Result<(), ScreenCaptureError>;
pub type ScreenCaptureGetNextFrameResult = Result<FrameInfo, ScreenCaptureError>;

pub trait ScreenCaptureProxyInterface: Send + Sync {
    type ConfigureResponseFut: std::future::Future<Output = Result<ScreenCaptureConfigureResult, fidl::Error>>
        + Send;
    fn r#configure(&self, payload: ScreenCaptureConfig) -> Self::ConfigureResponseFut;
    type GetNextFrameResponseFut: std::future::Future<Output = Result<ScreenCaptureGetNextFrameResult, fidl::Error>>
        + Send;
    fn r#get_next_frame(&self) -> Self::GetNextFrameResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ScreenCaptureSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ScreenCaptureSynchronousProxy {
    type Proxy = ScreenCaptureProxy;
    type Protocol = ScreenCaptureMarker;

    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 ScreenCaptureSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ScreenCaptureMarker 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<ScreenCaptureEvent, fidl::Error> {
        ScreenCaptureEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Clients should first use the ['fuchsia.ui.composition/Allocator']
    /// protocol to register a BufferCollection.
    ///
    /// Similarly, the clients are responsible for specifying a buffer big
    /// enough for the image. If the buffer is too small, an
    /// attempt will be made to render the image, however, it will not be
    /// guaranteed to contain the complete image.
    pub fn r#configure(
        &self,
        mut payload: ScreenCaptureConfig,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ScreenCaptureConfigureResult, fidl::Error> {
        let _response = self.client.send_query::<ScreenCaptureConfig, fidl::encoding::ResultType<
            fidl::encoding::EmptyStruct,
            ScreenCaptureError,
        >>(
            &mut payload,
            0x5d07582dc93862a2,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// [`GetNextFrame`] returns the latest unseen-by-the-client frame as soon
    /// as possible. On the first call to [`GetNextFrame`] and any subsequent
    /// calls that have not recieved the previous expected requested frame,
    /// [`GetNextFrame`] will return immediately with the last frame to be
    /// rendered. If the client had requested the previous frame, the server
    /// will wait until the next frame is produced to return.
    ///
    /// After the client finishes processing the returned buffer, they should
    /// drop the eventpair to signal to the server that the buffer can be
    /// re-used.
    ///
    /// It is invalid to call [`GetNextFrame`] while a previous call is still
    /// pending. Doing so will return a BAD_HANGING_GET error and cause the
    /// channel to close.
    pub fn r#get_next_frame(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ScreenCaptureGetNextFrameResult, fidl::Error> {
        let _response = self.client.send_query::<
            fidl::encoding::EmptyPayload,
            fidl::encoding::ResultType<FrameInfo, ScreenCaptureError>,
        >(
            (),
            0x48680722eab7103,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }
}

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

impl fidl::endpoints::Proxy for ScreenCaptureProxy {
    type Protocol = ScreenCaptureMarker;

    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 ScreenCaptureProxy {
    /// Create a new Proxy for fuchsia.ui.composition.internal/ScreenCapture.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ScreenCaptureMarker 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) -> ScreenCaptureEventStream {
        ScreenCaptureEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Clients should first use the ['fuchsia.ui.composition/Allocator']
    /// protocol to register a BufferCollection.
    ///
    /// Similarly, the clients are responsible for specifying a buffer big
    /// enough for the image. If the buffer is too small, an
    /// attempt will be made to render the image, however, it will not be
    /// guaranteed to contain the complete image.
    pub fn r#configure(
        &self,
        mut payload: ScreenCaptureConfig,
    ) -> fidl::client::QueryResponseFut<
        ScreenCaptureConfigureResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ScreenCaptureProxyInterface::r#configure(self, payload)
    }

    /// [`GetNextFrame`] returns the latest unseen-by-the-client frame as soon
    /// as possible. On the first call to [`GetNextFrame`] and any subsequent
    /// calls that have not recieved the previous expected requested frame,
    /// [`GetNextFrame`] will return immediately with the last frame to be
    /// rendered. If the client had requested the previous frame, the server
    /// will wait until the next frame is produced to return.
    ///
    /// After the client finishes processing the returned buffer, they should
    /// drop the eventpair to signal to the server that the buffer can be
    /// re-used.
    ///
    /// It is invalid to call [`GetNextFrame`] while a previous call is still
    /// pending. Doing so will return a BAD_HANGING_GET error and cause the
    /// channel to close.
    pub fn r#get_next_frame(
        &self,
    ) -> fidl::client::QueryResponseFut<
        ScreenCaptureGetNextFrameResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ScreenCaptureProxyInterface::r#get_next_frame(self)
    }
}

impl ScreenCaptureProxyInterface for ScreenCaptureProxy {
    type ConfigureResponseFut = fidl::client::QueryResponseFut<
        ScreenCaptureConfigureResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#configure(&self, mut payload: ScreenCaptureConfig) -> Self::ConfigureResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ScreenCaptureConfigureResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, ScreenCaptureError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x5d07582dc93862a2,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<ScreenCaptureConfig, ScreenCaptureConfigureResult>(
            &mut payload,
            0x5d07582dc93862a2,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type GetNextFrameResponseFut = fidl::client::QueryResponseFut<
        ScreenCaptureGetNextFrameResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_next_frame(&self) -> Self::GetNextFrameResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ScreenCaptureGetNextFrameResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<FrameInfo, ScreenCaptureError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x48680722eab7103,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<fidl::encoding::EmptyPayload, ScreenCaptureGetNextFrameResult>(
                (),
                0x48680722eab7103,
                fidl::encoding::DynamicFlags::empty(),
                _decode,
            )
    }
}

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

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

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

impl futures::Stream for ScreenCaptureEventStream {
    type Item = Result<ScreenCaptureEvent, 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(ScreenCaptureEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

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

impl ScreenCaptureEvent {
    /// Decodes a message buffer as a [`ScreenCaptureEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ScreenCaptureEvent, 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: <ScreenCaptureMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.ui.composition.internal/ScreenCapture.
pub struct ScreenCaptureRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for ScreenCaptureRequestStream {
    type Protocol = ScreenCaptureMarker;
    type ControlHandle = ScreenCaptureControlHandle;

    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 {
        ScreenCaptureControlHandle { 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 ScreenCaptureRequestStream {
    type Item = Result<ScreenCaptureRequest, 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 ScreenCaptureRequestStream 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 {
                    0x5d07582dc93862a2 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ScreenCaptureConfig,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ScreenCaptureConfig>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            ScreenCaptureControlHandle { inner: this.inner.clone() };
                        Ok(ScreenCaptureRequest::Configure {
                            payload: req,
                            responder: ScreenCaptureConfigureResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x48680722eab7103 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            ScreenCaptureControlHandle { inner: this.inner.clone() };
                        Ok(ScreenCaptureRequest::GetNextFrame {
                            responder: ScreenCaptureGetNextFrameResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ScreenCaptureMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// Provides a low-level streaming API for clients to use.
/// ScreenCapture clients should familiarize themselves with the
/// [`fuchsia.sysmem/BufferCollection`] and
/// [`fuchsia.ui.composition/Allocator`] protocols as those are necessary to
/// create the BufferCollections and images ScreenCapture uses.
#[derive(Debug)]
pub enum ScreenCaptureRequest {
    /// Clients should first use the ['fuchsia.ui.composition/Allocator']
    /// protocol to register a BufferCollection.
    ///
    /// Similarly, the clients are responsible for specifying a buffer big
    /// enough for the image. If the buffer is too small, an
    /// attempt will be made to render the image, however, it will not be
    /// guaranteed to contain the complete image.
    Configure { payload: ScreenCaptureConfig, responder: ScreenCaptureConfigureResponder },
    /// [`GetNextFrame`] returns the latest unseen-by-the-client frame as soon
    /// as possible. On the first call to [`GetNextFrame`] and any subsequent
    /// calls that have not recieved the previous expected requested frame,
    /// [`GetNextFrame`] will return immediately with the last frame to be
    /// rendered. If the client had requested the previous frame, the server
    /// will wait until the next frame is produced to return.
    ///
    /// After the client finishes processing the returned buffer, they should
    /// drop the eventpair to signal to the server that the buffer can be
    /// re-used.
    ///
    /// It is invalid to call [`GetNextFrame`] while a previous call is still
    /// pending. Doing so will return a BAD_HANGING_GET error and cause the
    /// channel to close.
    GetNextFrame { responder: ScreenCaptureGetNextFrameResponder },
}

impl ScreenCaptureRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_configure(self) -> Option<(ScreenCaptureConfig, ScreenCaptureConfigureResponder)> {
        if let ScreenCaptureRequest::Configure { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_get_next_frame(self) -> Option<(ScreenCaptureGetNextFrameResponder)> {
        if let ScreenCaptureRequest::GetNextFrame { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ScreenCaptureRequest::Configure { .. } => "configure",
            ScreenCaptureRequest::GetNextFrame { .. } => "get_next_frame",
        }
    }
}

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

impl fidl::endpoints::ControlHandle for ScreenCaptureControlHandle {
    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 ScreenCaptureControlHandle {}

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

/// Set the the channel to be shutdown (see [`ScreenCaptureControlHandle::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 ScreenCaptureConfigureResponder {
    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 ScreenCaptureConfigureResponder {
    type ControlHandle = ScreenCaptureControlHandle;

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

    fn send_raw(&self, mut result: Result<(), ScreenCaptureError>) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            fidl::encoding::EmptyStruct,
            ScreenCaptureError,
        >>(
            result,
            self.tx_id,
            0x5d07582dc93862a2,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

/// Set the the channel to be shutdown (see [`ScreenCaptureControlHandle::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 ScreenCaptureGetNextFrameResponder {
    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 ScreenCaptureGetNextFrameResponder {
    type ControlHandle = ScreenCaptureControlHandle;

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

    fn send_raw(
        &self,
        mut result: Result<FrameInfo, ScreenCaptureError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<FrameInfo, ScreenCaptureError>>(
            result.as_mut().map_err(|e| *e),
            self.tx_id,
            0x48680722eab7103,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;
    unsafe impl fidl::encoding::TypeMarker for ScreenCaptureError {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            false
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

    impl fidl::encoding::ValueTypeMarker for ScreenCaptureError {
        type Borrowed<'a> = Self;
        #[inline(always)]
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            *value
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D>
        for ScreenCaptureError
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ScreenCaptureError {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::unknown()
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive_allow_unknown(prim);
            Ok(())
        }
    }
    unsafe impl fidl::encoding::TypeMarker for ScreenCaptureRotation {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

    impl fidl::encoding::ValueTypeMarker for ScreenCaptureRotation {
        type Borrowed<'a> = Self;
        #[inline(always)]
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            *value
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D>
        for ScreenCaptureRotation
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ScreenCaptureRotation {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Cw0Degrees
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for DisplayOwnershipGetEventResponse {
        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 DisplayOwnershipGetEventResponse {
        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<
            DisplayOwnershipGetEventResponse,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut DisplayOwnershipGetEventResponse
    {
        #[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::<DisplayOwnershipGetEventResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                DisplayOwnershipGetEventResponse,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (<fidl::encoding::HandleType<
                    fidl::Event,
                    { fidl::ObjectType::EVENT.into_raw() },
                    2147483648,
                > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                    &mut self.ownership_event,
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                fidl::encoding::HandleType<
                    fidl::Event,
                    { fidl::ObjectType::EVENT.into_raw() },
                    2147483648,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        >
        fidl::encoding::Encode<
            DisplayOwnershipGetEventResponse,
            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::<DisplayOwnershipGetEventResponse>(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 DisplayOwnershipGetEventResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                ownership_event: fidl::new_empty!(fidl::encoding::HandleType<fidl::Event, { fidl::ObjectType::EVENT.into_raw() }, 2147483648>, 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::HandleType<fidl::Event, { fidl::ObjectType::EVENT.into_raw() }, 2147483648>, fidl::encoding::DefaultFuchsiaResourceDialect, &mut self.ownership_event, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }

    impl FrameInfo {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.buffer_release_token {
                return 3;
            }
            if let Some(_) = self.capture_timestamp {
                return 2;
            }
            if let Some(_) = self.buffer_index {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for FrameInfo {
        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 FrameInfo {
        type Owned = Self;

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl fidl::encoding::Encode<FrameInfo, fidl::encoding::DefaultFuchsiaResourceDialect>
        for &mut FrameInfo
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<FrameInfo>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                u32,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.buffer_index.as_ref().map(<u32 as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                i64,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.capture_timestamp
                    .as_ref()
                    .map(<i64 as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 3 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (3 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                fidl::encoding::HandleType<
                    fidl::EventPair,
                    { fidl::ObjectType::EVENTPAIR.into_raw() },
                    2147483648,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.buffer_release_token.as_mut().map(
                    <fidl::encoding::HandleType<
                        fidl::EventPair,
                        { fidl::ObjectType::EVENTPAIR.into_raw() },
                        2147483648,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect> for FrameInfo {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <u32 as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.buffer_index.get_or_insert_with(|| {
                    fidl::new_empty!(u32, fidl::encoding::DefaultFuchsiaResourceDialect)
                });
                fidl::decode!(
                    u32,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <i64 as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.capture_timestamp.get_or_insert_with(|| {
                    fidl::new_empty!(i64, fidl::encoding::DefaultFuchsiaResourceDialect)
                });
                fidl::decode!(
                    i64,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 3 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::HandleType<
                    fidl::EventPair,
                    { fidl::ObjectType::EVENTPAIR.into_raw() },
                    2147483648,
                > as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context
                );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                self.buffer_release_token.get_or_insert_with(|| fidl::new_empty!(fidl::encoding::HandleType<fidl::EventPair, { fidl::ObjectType::EVENTPAIR.into_raw() }, 2147483648>, fidl::encoding::DefaultFuchsiaResourceDialect));
                fidl::decode!(fidl::encoding::HandleType<fidl::EventPair, { fidl::ObjectType::EVENTPAIR.into_raw() }, 2147483648>, fidl::encoding::DefaultFuchsiaResourceDialect, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl ScreenCaptureConfig {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.image_rotation {
                return 3;
            }
            if let Some(_) = self.image_size {
                return 2;
            }
            if let Some(_) = self.import_token {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ScreenCaptureConfig {
        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 ScreenCaptureConfig {
        type Owned = Self;

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl
        fidl::encoding::Encode<ScreenCaptureConfig, fidl::encoding::DefaultFuchsiaResourceDialect>
        for &mut ScreenCaptureConfig
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ScreenCaptureConfig>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_ui_composition::BufferCollectionImportToken, fidl::encoding::DefaultFuchsiaResourceDialect>(
            self.import_token.as_mut().map(<fidl_fuchsia_ui_composition::BufferCollectionImportToken as fidl::encoding::ResourceTypeMarker>::take_or_borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                fidl_fuchsia_math::SizeU,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.image_size
                    .as_ref()
                    .map(<fidl_fuchsia_math::SizeU as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 3 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (3 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                ScreenCaptureRotation,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.image_rotation
                    .as_ref()
                    .map(<ScreenCaptureRotation as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ScreenCaptureConfig
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl_fuchsia_ui_composition::BufferCollectionImportToken as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.import_token.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl_fuchsia_ui_composition::BufferCollectionImportToken,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    fidl_fuchsia_ui_composition::BufferCollectionImportToken,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl_fuchsia_math::SizeU as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.image_size.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl_fuchsia_math::SizeU,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    fidl_fuchsia_math::SizeU,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 3 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <ScreenCaptureRotation as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.image_rotation.get_or_insert_with(|| {
                    fidl::new_empty!(
                        ScreenCaptureRotation,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    ScreenCaptureRotation,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }
}