fidl_fuchsia_ui_keyboard_focus/

fidl_fuchsia_ui_keyboard_focus.rs

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

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

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

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

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

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

impl fidl::endpoints::ProtocolMarker for ControllerMarker {
    type Proxy = ControllerProxy;
    type RequestStream = ControllerRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ControllerSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.ui.keyboard.focus.Controller";
}
impl fidl::endpoints::DiscoverableProtocolMarker for ControllerMarker {}

pub trait ControllerProxyInterface: Send + Sync {
    type NotifyResponseFut: std::future::Future<Output = Result<(), fidl::Error>> + Send;
    fn r#notify(&self, view_ref: fidl_fuchsia_ui_views::ViewRef) -> Self::NotifyResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ControllerSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ControllerSynchronousProxy {
    type Proxy = ControllerProxy;
    type Protocol = ControllerMarker;

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

    /// Informs the implementer of `Controller` that further keyboard
    /// data should be routed to the keystroke/text consumer
    /// associated with `view_ref`.
    ///
    /// # Notes
    /// * The callee should monitor the provided `ViewRef` for a
    ///   `ZX_EVENTPAIR_PEER_CLOSED` signal (see documentation for
    ///   `fuchsia.ui.views.ViewRefControl`).
    /// * When the `ViewRef` receives `ZX_EVENTPAIR_PEER_CLOSED`, the
    ///   callee should stop delivering keystroke/text to
    ///   the consumer associated with `view_ref`.
    /// * The caller should wait for each call to be acknowledged
    ///   before calling again, to avoid queueing large numbers of
    ///   of updates.
    pub fn r#notify(
        &self,
        mut view_ref: fidl_fuchsia_ui_views::ViewRef,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<(), fidl::Error> {
        let _response =
            self.client.send_query::<ControllerNotifyRequest, fidl::encoding::EmptyPayload>(
                (&mut view_ref,),
                0xdab35302eed5de5,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response)
    }
}

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

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

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

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

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

impl fidl::endpoints::Proxy for ControllerProxy {
    type Protocol = ControllerMarker;

    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 ControllerProxy {
    /// Create a new Proxy for fuchsia.ui.keyboard.focus/Controller.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ControllerMarker 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) -> ControllerEventStream {
        ControllerEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Informs the implementer of `Controller` that further keyboard
    /// data should be routed to the keystroke/text consumer
    /// associated with `view_ref`.
    ///
    /// # Notes
    /// * The callee should monitor the provided `ViewRef` for a
    ///   `ZX_EVENTPAIR_PEER_CLOSED` signal (see documentation for
    ///   `fuchsia.ui.views.ViewRefControl`).
    /// * When the `ViewRef` receives `ZX_EVENTPAIR_PEER_CLOSED`, the
    ///   callee should stop delivering keystroke/text to
    ///   the consumer associated with `view_ref`.
    /// * The caller should wait for each call to be acknowledged
    ///   before calling again, to avoid queueing large numbers of
    ///   of updates.
    pub fn r#notify(
        &self,
        mut view_ref: fidl_fuchsia_ui_views::ViewRef,
    ) -> fidl::client::QueryResponseFut<(), fidl::encoding::DefaultFuchsiaResourceDialect> {
        ControllerProxyInterface::r#notify(self, view_ref)
    }
}

impl ControllerProxyInterface for ControllerProxy {
    type NotifyResponseFut =
        fidl::client::QueryResponseFut<(), fidl::encoding::DefaultFuchsiaResourceDialect>;
    fn r#notify(&self, mut view_ref: fidl_fuchsia_ui_views::ViewRef) -> Self::NotifyResponseFut {
        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,
                0xdab35302eed5de5,
            >(_buf?)?;
            Ok(_response)
        }
        self.client.send_query_and_decode::<ControllerNotifyRequest, ()>(
            (&mut view_ref,),
            0xdab35302eed5de5,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

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

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

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

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

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

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

impl fidl::endpoints::RequestStream for ControllerRequestStream {
    type Protocol = ControllerMarker;
    type ControlHandle = ControllerControlHandle;

    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 {
        ControllerControlHandle { 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 ControllerRequestStream {
    type Item = Result<ControllerRequest, 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 ControllerRequestStream 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 {
                    0xdab35302eed5de5 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ControllerNotifyRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ControllerNotifyRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControllerControlHandle { inner: this.inner.clone() };
                        Ok(ControllerRequest::Notify {
                            view_ref: req.view_ref,

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

/// Updates the focus of the keyboard subsystem.
///
/// # Roles
/// This protocol will typically be:
/// * Implemented by platform components implementing the keyboard
///   subsystem.
/// * Consumed by platform components which control UI policy.
///   E.g. Root Presenter, or the Workstation Session.
///
/// # Related protocols
/// * `fuchsia.ui.input3.Keyboard` (for receiving keystrokes)
/// * `fuchsia.ui.input.InputMethodEditor` (for text editing)
#[derive(Debug)]
pub enum ControllerRequest {
    /// Informs the implementer of `Controller` that further keyboard
    /// data should be routed to the keystroke/text consumer
    /// associated with `view_ref`.
    ///
    /// # Notes
    /// * The callee should monitor the provided `ViewRef` for a
    ///   `ZX_EVENTPAIR_PEER_CLOSED` signal (see documentation for
    ///   `fuchsia.ui.views.ViewRefControl`).
    /// * When the `ViewRef` receives `ZX_EVENTPAIR_PEER_CLOSED`, the
    ///   callee should stop delivering keystroke/text to
    ///   the consumer associated with `view_ref`.
    /// * The caller should wait for each call to be acknowledged
    ///   before calling again, to avoid queueing large numbers of
    ///   of updates.
    Notify { view_ref: fidl_fuchsia_ui_views::ViewRef, responder: ControllerNotifyResponder },
}

impl ControllerRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_notify(
        self,
    ) -> Option<(fidl_fuchsia_ui_views::ViewRef, ControllerNotifyResponder)> {
        if let ControllerRequest::Notify { view_ref, responder } = self {
            Some((view_ref, responder))
        } else {
            None
        }
    }

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

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

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

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

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

    fn control_handle(&self) -> &ControllerControlHandle {
        &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 ControllerNotifyResponder {
    /// 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,
            0xdab35302eed5de5,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;

    impl fidl::encoding::ResourceTypeMarker for ControllerNotifyRequest {
        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 ControllerNotifyRequest {
        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<
            ControllerNotifyRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ControllerNotifyRequest
    {
        #[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::<ControllerNotifyRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ControllerNotifyRequest, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <fidl_fuchsia_ui_views::ViewRef as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.view_ref),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<
                fidl_fuchsia_ui_views::ViewRef,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
    >
        fidl::encoding::Encode<
            ControllerNotifyRequest,
            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::<ControllerNotifyRequest>(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 ControllerNotifyRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                view_ref: fidl::new_empty!(
                    fidl_fuchsia_ui_views::ViewRef,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

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