fidl_fuchsia_input_interaction/
fidl_fuchsia_input_interaction.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;

/// State is an enumeration of the activity states the system may be in.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub enum State {
    Invalid,
    /// IDLE implies that the system is not currently being used by a user.
    /// In other words, the system is not ACTIVE.
    Idle,
    /// ACTIVE implies that a user has recently or is currently using the
    /// system.
    ///
    /// Activity can be signalled by discrete input interactions (cursor,
    /// keyboard, touchscreen, mouse, or media buttons).
    ///
    /// The specific meaning of "recently" is an implementation
    /// detail of the Activity Service, but a typical value is 15 minutes.
    Active,
    #[doc(hidden)]
    __SourceBreaking {
        unknown_ordinal: u32,
    },
}

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

impl State {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            0 => Some(Self::Invalid),
            1 => Some(Self::Idle),
            2 => Some(Self::Active),
            _ => None,
        }
    }

    #[inline]
    pub fn from_primitive_allow_unknown(prim: u32) -> Self {
        match prim {
            0 => Self::Invalid,
            1 => Self::Idle,
            2 => Self::Active,
            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::Invalid => 0,
            Self::Idle => 1,
            Self::Active => 2,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

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

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct NotifierWatchStateResponse {
    pub state: State,
}

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

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

impl fidl::endpoints::ProtocolMarker for NotifierMarker {
    type Proxy = NotifierProxy;
    type RequestStream = NotifierRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = NotifierSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.input.interaction.Notifier";
}
impl fidl::endpoints::DiscoverableProtocolMarker for NotifierMarker {}

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

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for NotifierSynchronousProxy {
    type Proxy = NotifierProxy;
    type Protocol = NotifierMarker;

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

    /// Subscribe to changes in the system's state with a hanging-get FIDL
    /// pattern.
    ///
    /// The server will always respond immediately with the initial state,
    /// and after that whenever the system's state changes.
    pub fn r#watch_state(&self, ___deadline: zx::MonotonicInstant) -> Result<State, fidl::Error> {
        let _response =
            self.client.send_query::<fidl::encoding::EmptyPayload, NotifierWatchStateResponse>(
                (),
                0xf379d6bc002e8ee,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response.state)
    }
}

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

impl fidl::endpoints::Proxy for NotifierProxy {
    type Protocol = NotifierMarker;

    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 NotifierProxy {
    /// Create a new Proxy for fuchsia.input.interaction/Notifier.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <NotifierMarker 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) -> NotifierEventStream {
        NotifierEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Subscribe to changes in the system's state with a hanging-get FIDL
    /// pattern.
    ///
    /// The server will always respond immediately with the initial state,
    /// and after that whenever the system's state changes.
    pub fn r#watch_state(
        &self,
    ) -> fidl::client::QueryResponseFut<State, fidl::encoding::DefaultFuchsiaResourceDialect> {
        NotifierProxyInterface::r#watch_state(self)
    }
}

impl NotifierProxyInterface for NotifierProxy {
    type WatchStateResponseFut =
        fidl::client::QueryResponseFut<State, fidl::encoding::DefaultFuchsiaResourceDialect>;
    fn r#watch_state(&self) -> Self::WatchStateResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<State, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                NotifierWatchStateResponse,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0xf379d6bc002e8ee,
            >(_buf?)?;
            Ok(_response.state)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, State>(
            (),
            0xf379d6bc002e8ee,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

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

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

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

/// A Stream of incoming requests for fuchsia.input.interaction/Notifier.
pub struct NotifierRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for NotifierRequestStream {
    type Protocol = NotifierMarker;
    type ControlHandle = NotifierControlHandle;

    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 {
        NotifierControlHandle { 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 NotifierRequestStream {
    type Item = Result<NotifierRequest, 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 NotifierRequestStream 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 {
                    0xf379d6bc002e8ee => {
                        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 = NotifierControlHandle { inner: this.inner.clone() };
                        Ok(NotifierRequest::WatchState {
                            responder: NotifierWatchStateResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <NotifierMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// The Notifier protocol offers a subscription interface through
/// which clients can watch for changes in the system's activity state.
#[derive(Debug)]
pub enum NotifierRequest {
    /// Subscribe to changes in the system's state with a hanging-get FIDL
    /// pattern.
    ///
    /// The server will always respond immediately with the initial state,
    /// and after that whenever the system's state changes.
    WatchState { responder: NotifierWatchStateResponder },
}

impl NotifierRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_state(self) -> Option<(NotifierWatchStateResponder)> {
        if let NotifierRequest::WatchState { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

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

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

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

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

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

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

    fn send_raw(&self, mut state: State) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<NotifierWatchStateResponse>(
            (state,),
            self.tx_id,
            0xf379d6bc002e8ee,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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 {
            false
        }

        #[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_allow_unknown(prim);
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for NotifierWatchStateResponse {
        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 NotifierWatchStateResponse {
        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<
            NotifierWatchStateResponse,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut NotifierWatchStateResponse
    {
        #[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::<NotifierWatchStateResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                NotifierWatchStateResponse,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (<State as fidl::encoding::ValueTypeMarker>::borrow(&self.state),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<T0: fidl::encoding::Encode<State, fidl::encoding::DefaultFuchsiaResourceDialect>>
        fidl::encoding::Encode<
            NotifierWatchStateResponse,
            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::<NotifierWatchStateResponse>(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 NotifierWatchStateResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { state: fidl::new_empty!(State, 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!(
                State,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.state,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }
}
fidl_fuchsia_input_interaction/fidl_fuchsia_input_interaction.rs

fidl_fuchsia_input_interaction/
fidl_fuchsia_input_interaction.rs
