fidl_fuchsia_ui_activity/

fidl_fuchsia_ui_activity.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 type OngoingActivityId = u32;

/// State is an enumeration of the activity states the system may be in.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum State {
    Unknown = 0,
    /// IDLE implies that the system is not currently being used by a user.
    /// In other words, the system is not ACTIVE.
    Idle = 1,
    /// ACTIVE implies that a user has recently or is currently using the
    /// system.
    ///
    /// Activity can be signalled by discrete interactions (cursor, keyboard,
    /// touchscreen), or by ongoing activities (video playback).
    ///
    /// The specific meaning of "recently" is an implementation
    /// detail of the Activity Service, but a typical value is 15 minutes.
    Active = 2,
}

impl State {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            0 => Some(Self::Unknown),
            1 => Some(Self::Idle),
            2 => Some(Self::Active),
            _ => 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(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ListenerOnStateChangedRequest {
    pub state: State,
    pub transition_time: i64,
}

impl fidl::Persistable for ListenerOnStateChangedRequest {}

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ProviderWatchStateRequest {
    pub listener: fidl::endpoints::ClientEnd<ListenerMarker>,
}

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

/// GenericActivity is a user or system activity of unspecified type, e.g.
/// a keyboard press or an alarm going off.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct GenericActivity {
    /// Brief human-readable label for the activity, for logging/debugging.
    /// e.g. "cursor", "key", "video"
    pub label: Option<String>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for GenericActivity {}

/// DiscreteActivity is an activity which occurs at a point in time.
#[derive(Clone, Debug)]
pub enum DiscreteActivity {
    /// Activities that require no special handling.
    Generic(GenericActivity),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

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

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for DiscreteActivity {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::Generic(x), Self::Generic(y)) => *x == *y,
            _ => false,
        }
    }
}

impl DiscreteActivity {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Generic(_) => 1,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

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

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

impl fidl::Persistable for DiscreteActivity {}

/// OngoingActivity is an activity which has a definite start and end time.
#[derive(Clone, Debug)]
pub enum OngoingActivity {
    /// Activities that require no special handling.
    Generic(GenericActivity),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

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

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for OngoingActivity {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::Generic(x), Self::Generic(y)) => *x == *y,
            _ => false,
        }
    }
}

impl OngoingActivity {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Generic(_) => 1,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

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

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

impl fidl::Persistable for OngoingActivity {}

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

impl fidl::endpoints::ProtocolMarker for ListenerMarker {
    type Proxy = ListenerProxy;
    type RequestStream = ListenerRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ListenerSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) Listener";
}

pub trait ListenerProxyInterface: Send + Sync {
    type OnStateChangedResponseFut: std::future::Future<Output = Result<(), fidl::Error>> + Send;
    fn r#on_state_changed(
        &self,
        state: State,
        transition_time: i64,
    ) -> Self::OnStateChangedResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ListenerSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ListenerSynchronousProxy {
    type Proxy = ListenerProxy;
    type Protocol = ListenerMarker;

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

    /// Callback that is invoked whenever the system state changes.
    /// The Listener is expected to acknowledge each call explicitly and will
    /// not receive new state until this acknowledgement is done.
    pub fn r#on_state_changed(
        &self,
        mut state: State,
        mut transition_time: i64,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<(), fidl::Error> {
        let _response =
            self.client.send_query::<ListenerOnStateChangedRequest, fidl::encoding::EmptyPayload>(
                (state, transition_time),
                0xf74db3e6d5ba415,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response)
    }
}

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

impl fidl::endpoints::Proxy for ListenerProxy {
    type Protocol = ListenerMarker;

    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 ListenerProxy {
    /// Create a new Proxy for fuchsia.ui.activity/Listener.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ListenerMarker 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) -> ListenerEventStream {
        ListenerEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Callback that is invoked whenever the system state changes.
    /// The Listener is expected to acknowledge each call explicitly and will
    /// not receive new state until this acknowledgement is done.
    pub fn r#on_state_changed(
        &self,
        mut state: State,
        mut transition_time: i64,
    ) -> fidl::client::QueryResponseFut<(), fidl::encoding::DefaultFuchsiaResourceDialect> {
        ListenerProxyInterface::r#on_state_changed(self, state, transition_time)
    }
}

impl ListenerProxyInterface for ListenerProxy {
    type OnStateChangedResponseFut =
        fidl::client::QueryResponseFut<(), fidl::encoding::DefaultFuchsiaResourceDialect>;
    fn r#on_state_changed(
        &self,
        mut state: State,
        mut transition_time: i64,
    ) -> Self::OnStateChangedResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<(), fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::EmptyPayload,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0xf74db3e6d5ba415,
            >(_buf?)?;
            Ok(_response)
        }
        self.client.send_query_and_decode::<ListenerOnStateChangedRequest, ()>(
            (state, transition_time),
            0xf74db3e6d5ba415,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

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

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

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

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

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

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

impl fidl::endpoints::RequestStream for ListenerRequestStream {
    type Protocol = ListenerMarker;
    type ControlHandle = ListenerControlHandle;

    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 {
        ListenerControlHandle { 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 ListenerRequestStream {
    type Item = Result<ListenerRequest, 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 ListenerRequestStream 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 {
                    0xf74db3e6d5ba415 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ListenerOnStateChangedRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ListenerOnStateChangedRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ListenerControlHandle { inner: this.inner.clone() };
                        Ok(ListenerRequest::OnStateChanged {
                            state: req.state,
                            transition_time: req.transition_time,

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

/// The Listener protocol subscribes to changes in the system's activity
/// state. Clients which care about the activity state of the system are
/// expected to implement this protocol and subscribe via Provider.WatchState.
#[derive(Debug)]
pub enum ListenerRequest {
    /// Callback that is invoked whenever the system state changes.
    /// The Listener is expected to acknowledge each call explicitly and will
    /// not receive new state until this acknowledgement is done.
    OnStateChanged {
        state: State,
        transition_time: i64,
        responder: ListenerOnStateChangedResponder,
    },
}

impl ListenerRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_state_changed(self) -> Option<(State, i64, ListenerOnStateChangedResponder)> {
        if let ListenerRequest::OnStateChanged { state, transition_time, responder } = self {
            Some((state, transition_time, responder))
        } else {
            None
        }
    }

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

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

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

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

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

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

    fn send_raw(&self) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::EmptyPayload>(
            (),
            self.tx_id,
            0xf74db3e6d5ba415,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

impl fidl::endpoints::ProtocolMarker for ProviderMarker {
    type Proxy = ProviderProxy;
    type RequestStream = ProviderRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ProviderSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.ui.activity.Provider";
}
impl fidl::endpoints::DiscoverableProtocolMarker for ProviderMarker {}

pub trait ProviderProxyInterface: Send + Sync {
    fn r#watch_state(
        &self,
        listener: fidl::endpoints::ClientEnd<ListenerMarker>,
    ) -> Result<(), fidl::Error>;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ProviderSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ProviderSynchronousProxy {
    type Proxy = ProviderProxy;
    type Protocol = ProviderMarker;

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

    /// Subscribe to changes in the system's state.
    /// The server will always invoke listener.OnStateChanged at least once with
    /// the initial state, and after that invoke listener.OnStateChanged
    /// whenever the system's state changes.
    pub fn r#watch_state(
        &self,
        mut listener: fidl::endpoints::ClientEnd<ListenerMarker>,
    ) -> Result<(), fidl::Error> {
        self.client.send::<ProviderWatchStateRequest>(
            (listener,),
            0x592e25a4cbe7f884,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

impl fidl::endpoints::Proxy for ProviderProxy {
    type Protocol = ProviderMarker;

    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 ProviderProxy {
    /// Create a new Proxy for fuchsia.ui.activity/Provider.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ProviderMarker 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) -> ProviderEventStream {
        ProviderEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Subscribe to changes in the system's state.
    /// The server will always invoke listener.OnStateChanged at least once with
    /// the initial state, and after that invoke listener.OnStateChanged
    /// whenever the system's state changes.
    pub fn r#watch_state(
        &self,
        mut listener: fidl::endpoints::ClientEnd<ListenerMarker>,
    ) -> Result<(), fidl::Error> {
        ProviderProxyInterface::r#watch_state(self, listener)
    }
}

impl ProviderProxyInterface for ProviderProxy {
    fn r#watch_state(
        &self,
        mut listener: fidl::endpoints::ClientEnd<ListenerMarker>,
    ) -> Result<(), fidl::Error> {
        self.client.send::<ProviderWatchStateRequest>(
            (listener,),
            0x592e25a4cbe7f884,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

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

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

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

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

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

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

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

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

impl fidl::endpoints::RequestStream for ProviderRequestStream {
    type Protocol = ProviderMarker;
    type ControlHandle = ProviderControlHandle;

    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 {
        ProviderControlHandle { 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 ProviderRequestStream {
    type Item = Result<ProviderRequest, 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 ProviderRequestStream 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 {
                    0x592e25a4cbe7f884 => {
                        header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                        let mut req = fidl::new_empty!(
                            ProviderWatchStateRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ProviderWatchStateRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ProviderControlHandle { inner: this.inner.clone() };
                        Ok(ProviderRequest::WatchState { listener: req.listener, control_handle })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// The Provider protocol offers a subscription interface through
/// which clients can watch for changes in the system's activity state.
#[derive(Debug)]
pub enum ProviderRequest {
    /// Subscribe to changes in the system's state.
    /// The server will always invoke listener.OnStateChanged at least once with
    /// the initial state, and after that invoke listener.OnStateChanged
    /// whenever the system's state changes.
    WatchState {
        listener: fidl::endpoints::ClientEnd<ListenerMarker>,
        control_handle: ProviderControlHandle,
    },
}

impl ProviderRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_state(
        self,
    ) -> Option<(fidl::endpoints::ClientEnd<ListenerMarker>, ProviderControlHandle)> {
        if let ProviderRequest::WatchState { listener, control_handle } = self {
            Some((listener, control_handle))
        } else {
            None
        }
    }

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

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

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

mod internal {
    use super::*;
    unsafe impl fidl::encoding::TypeMarker for State {
        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 State {
        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 State {
        #[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 State {
        #[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(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for ListenerOnStateChangedRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ListenerOnStateChangedRequest {
        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<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<ListenerOnStateChangedRequest, D>
        for &ListenerOnStateChangedRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ListenerOnStateChangedRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ListenerOnStateChangedRequest, D>::encode(
                (
                    <State as fidl::encoding::ValueTypeMarker>::borrow(&self.state),
                    <i64 as fidl::encoding::ValueTypeMarker>::borrow(&self.transition_time),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<State, D>,
            T1: fidl::encoding::Encode<i64, D>,
        > fidl::encoding::Encode<ListenerOnStateChangedRequest, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ListenerOnStateChangedRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for ListenerOnStateChangedRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { state: fidl::new_empty!(State, D), transition_time: fidl::new_empty!(i64, D) }
        }

        #[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);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(State, D, &mut self.state, decoder, offset + 0, _depth)?;
            fidl::decode!(i64, D, &mut self.transition_time, decoder, offset + 8, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ProviderWatchStateRequest {
        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 ProviderWatchStateRequest {
        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<
            ProviderWatchStateRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ProviderWatchStateRequest
    {
        #[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::<ProviderWatchStateRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ProviderWatchStateRequest, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <fidl::encoding::Endpoint<fidl::endpoints::ClientEnd<ListenerMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.listener),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                fidl::encoding::Endpoint<fidl::endpoints::ClientEnd<ListenerMarker>>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        >
        fidl::encoding::Encode<
            ProviderWatchStateRequest,
            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::<ProviderWatchStateRequest>(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 ProviderWatchStateRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                listener: fidl::new_empty!(
                    fidl::encoding::Endpoint<fidl::endpoints::ClientEnd<ListenerMarker>>,
                    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<ListenerMarker>>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.listener,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

    impl GenericActivity {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.label {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for GenericActivity {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for GenericActivity {
        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<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<GenericActivity, D>
        for &GenericActivity
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<GenericActivity>(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::encoding::UnboundedString, D>(
                self.label.as_ref().map(
                    <fidl::encoding::UnboundedString as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

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

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            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::encoding::UnboundedString 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
                    .label
                    .get_or_insert_with(|| fidl::new_empty!(fidl::encoding::UnboundedString, D));
                fidl::decode!(
                    fidl::encoding::UnboundedString,
                    D,
                    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 fidl::encoding::ValueTypeMarker for DiscreteActivity {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for DiscreteActivity {
        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<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<DiscreteActivity, D>
        for &DiscreteActivity
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<DiscreteActivity>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                DiscreteActivity::Generic(ref val) => {
                    fidl::encoding::encode_in_envelope::<GenericActivity, D>(
                        <GenericActivity as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                DiscreteActivity::__SourceBreaking { .. } => Err(fidl::Error::UnknownUnionTag),
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for DiscreteActivity {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <GenericActivity as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                0 => return Err(fidl::Error::UnknownUnionTag),
                _ => num_bytes as usize,
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let DiscreteActivity::Generic(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = DiscreteActivity::Generic(fidl::new_empty!(GenericActivity, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let DiscreteActivity::Generic(ref mut val) = self {
                        fidl::decode!(GenericActivity, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = DiscreteActivity::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            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);
            }
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for OngoingActivity {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for OngoingActivity {
        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<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<OngoingActivity, D>
        for &OngoingActivity
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<OngoingActivity>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                OngoingActivity::Generic(ref val) => {
                    fidl::encoding::encode_in_envelope::<GenericActivity, D>(
                        <GenericActivity as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                OngoingActivity::__SourceBreaking { .. } => Err(fidl::Error::UnknownUnionTag),
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for OngoingActivity {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <GenericActivity as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                0 => return Err(fidl::Error::UnknownUnionTag),
                _ => num_bytes as usize,
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let OngoingActivity::Generic(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = OngoingActivity::Generic(fidl::new_empty!(GenericActivity, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let OngoingActivity::Generic(ref mut val) = self {
                        fidl::decode!(GenericActivity, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = OngoingActivity::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            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);
            }
            Ok(())
        }
    }
}