fidl_fuchsia_input_interaction/
fidl_fuchsia_input_interaction.rs

1// WARNING: This file is machine generated by fidlgen.
2
3#![warn(clippy::all)]
4#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]
5
6use bitflags::bitflags;
7use fidl::client::QueryResponseFut;
8use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
9use fidl::endpoints::{ControlHandle as _, Responder as _};
10pub use fidl_fuchsia_input_interaction__common::*;
11use futures::future::{self, MaybeDone, TryFutureExt};
12use zx_status;
13
14#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
15pub struct NotifierWatchStateResponse {
16    pub state: State,
17}
18
19impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
20    for NotifierWatchStateResponse
21{
22}
23
24#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
25pub struct NotifierMarker;
26
27impl fidl::endpoints::ProtocolMarker for NotifierMarker {
28    type Proxy = NotifierProxy;
29    type RequestStream = NotifierRequestStream;
30    #[cfg(target_os = "fuchsia")]
31    type SynchronousProxy = NotifierSynchronousProxy;
32
33    const DEBUG_NAME: &'static str = "fuchsia.input.interaction.Notifier";
34}
35impl fidl::endpoints::DiscoverableProtocolMarker for NotifierMarker {}
36
37pub trait NotifierProxyInterface: Send + Sync {
38    type WatchStateResponseFut: std::future::Future<Output = Result<State, fidl::Error>> + Send;
39    fn r#watch_state(&self) -> Self::WatchStateResponseFut;
40}
41#[derive(Debug)]
42#[cfg(target_os = "fuchsia")]
43pub struct NotifierSynchronousProxy {
44    client: fidl::client::sync::Client,
45}
46
47#[cfg(target_os = "fuchsia")]
48impl fidl::endpoints::SynchronousProxy for NotifierSynchronousProxy {
49    type Proxy = NotifierProxy;
50    type Protocol = NotifierMarker;
51
52    fn from_channel(inner: fidl::Channel) -> Self {
53        Self::new(inner)
54    }
55
56    fn into_channel(self) -> fidl::Channel {
57        self.client.into_channel()
58    }
59
60    fn as_channel(&self) -> &fidl::Channel {
61        self.client.as_channel()
62    }
63}
64
65#[cfg(target_os = "fuchsia")]
66impl NotifierSynchronousProxy {
67    pub fn new(channel: fidl::Channel) -> Self {
68        let protocol_name = <NotifierMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
69        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
70    }
71
72    pub fn into_channel(self) -> fidl::Channel {
73        self.client.into_channel()
74    }
75
76    /// Waits until an event arrives and returns it. It is safe for other
77    /// threads to make concurrent requests while waiting for an event.
78    pub fn wait_for_event(
79        &self,
80        deadline: zx::MonotonicInstant,
81    ) -> Result<NotifierEvent, fidl::Error> {
82        NotifierEvent::decode(self.client.wait_for_event(deadline)?)
83    }
84
85    /// Subscribe to changes in the system's state with a hanging-get FIDL
86    /// pattern.
87    ///
88    /// The server will always respond immediately with the initial state,
89    /// and after that whenever the system's state changes.
90    pub fn r#watch_state(&self, ___deadline: zx::MonotonicInstant) -> Result<State, fidl::Error> {
91        let _response =
92            self.client.send_query::<fidl::encoding::EmptyPayload, NotifierWatchStateResponse>(
93                (),
94                0xf379d6bc002e8ee,
95                fidl::encoding::DynamicFlags::empty(),
96                ___deadline,
97            )?;
98        Ok(_response.state)
99    }
100}
101
102#[cfg(target_os = "fuchsia")]
103impl From<NotifierSynchronousProxy> for zx::Handle {
104    fn from(value: NotifierSynchronousProxy) -> Self {
105        value.into_channel().into()
106    }
107}
108
109#[cfg(target_os = "fuchsia")]
110impl From<fidl::Channel> for NotifierSynchronousProxy {
111    fn from(value: fidl::Channel) -> Self {
112        Self::new(value)
113    }
114}
115
116#[cfg(target_os = "fuchsia")]
117impl fidl::endpoints::FromClient for NotifierSynchronousProxy {
118    type Protocol = NotifierMarker;
119
120    fn from_client(value: fidl::endpoints::ClientEnd<NotifierMarker>) -> Self {
121        Self::new(value.into_channel())
122    }
123}
124
125#[derive(Debug, Clone)]
126pub struct NotifierProxy {
127    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
128}
129
130impl fidl::endpoints::Proxy for NotifierProxy {
131    type Protocol = NotifierMarker;
132
133    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
134        Self::new(inner)
135    }
136
137    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
138        self.client.into_channel().map_err(|client| Self { client })
139    }
140
141    fn as_channel(&self) -> &::fidl::AsyncChannel {
142        self.client.as_channel()
143    }
144}
145
146impl NotifierProxy {
147    /// Create a new Proxy for fuchsia.input.interaction/Notifier.
148    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
149        let protocol_name = <NotifierMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
150        Self { client: fidl::client::Client::new(channel, protocol_name) }
151    }
152
153    /// Get a Stream of events from the remote end of the protocol.
154    ///
155    /// # Panics
156    ///
157    /// Panics if the event stream was already taken.
158    pub fn take_event_stream(&self) -> NotifierEventStream {
159        NotifierEventStream { event_receiver: self.client.take_event_receiver() }
160    }
161
162    /// Subscribe to changes in the system's state with a hanging-get FIDL
163    /// pattern.
164    ///
165    /// The server will always respond immediately with the initial state,
166    /// and after that whenever the system's state changes.
167    pub fn r#watch_state(
168        &self,
169    ) -> fidl::client::QueryResponseFut<State, fidl::encoding::DefaultFuchsiaResourceDialect> {
170        NotifierProxyInterface::r#watch_state(self)
171    }
172}
173
174impl NotifierProxyInterface for NotifierProxy {
175    type WatchStateResponseFut =
176        fidl::client::QueryResponseFut<State, fidl::encoding::DefaultFuchsiaResourceDialect>;
177    fn r#watch_state(&self) -> Self::WatchStateResponseFut {
178        fn _decode(
179            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
180        ) -> Result<State, fidl::Error> {
181            let _response = fidl::client::decode_transaction_body::<
182                NotifierWatchStateResponse,
183                fidl::encoding::DefaultFuchsiaResourceDialect,
184                0xf379d6bc002e8ee,
185            >(_buf?)?;
186            Ok(_response.state)
187        }
188        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, State>(
189            (),
190            0xf379d6bc002e8ee,
191            fidl::encoding::DynamicFlags::empty(),
192            _decode,
193        )
194    }
195}
196
197pub struct NotifierEventStream {
198    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
199}
200
201impl std::marker::Unpin for NotifierEventStream {}
202
203impl futures::stream::FusedStream for NotifierEventStream {
204    fn is_terminated(&self) -> bool {
205        self.event_receiver.is_terminated()
206    }
207}
208
209impl futures::Stream for NotifierEventStream {
210    type Item = Result<NotifierEvent, fidl::Error>;
211
212    fn poll_next(
213        mut self: std::pin::Pin<&mut Self>,
214        cx: &mut std::task::Context<'_>,
215    ) -> std::task::Poll<Option<Self::Item>> {
216        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
217            &mut self.event_receiver,
218            cx
219        )?) {
220            Some(buf) => std::task::Poll::Ready(Some(NotifierEvent::decode(buf))),
221            None => std::task::Poll::Ready(None),
222        }
223    }
224}
225
226#[derive(Debug)]
227pub enum NotifierEvent {}
228
229impl NotifierEvent {
230    /// Decodes a message buffer as a [`NotifierEvent`].
231    fn decode(
232        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
233    ) -> Result<NotifierEvent, fidl::Error> {
234        let (bytes, _handles) = buf.split_mut();
235        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
236        debug_assert_eq!(tx_header.tx_id, 0);
237        match tx_header.ordinal {
238            _ => Err(fidl::Error::UnknownOrdinal {
239                ordinal: tx_header.ordinal,
240                protocol_name: <NotifierMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
241            }),
242        }
243    }
244}
245
246/// A Stream of incoming requests for fuchsia.input.interaction/Notifier.
247pub struct NotifierRequestStream {
248    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
249    is_terminated: bool,
250}
251
252impl std::marker::Unpin for NotifierRequestStream {}
253
254impl futures::stream::FusedStream for NotifierRequestStream {
255    fn is_terminated(&self) -> bool {
256        self.is_terminated
257    }
258}
259
260impl fidl::endpoints::RequestStream for NotifierRequestStream {
261    type Protocol = NotifierMarker;
262    type ControlHandle = NotifierControlHandle;
263
264    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
265        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
266    }
267
268    fn control_handle(&self) -> Self::ControlHandle {
269        NotifierControlHandle { inner: self.inner.clone() }
270    }
271
272    fn into_inner(
273        self,
274    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
275    {
276        (self.inner, self.is_terminated)
277    }
278
279    fn from_inner(
280        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
281        is_terminated: bool,
282    ) -> Self {
283        Self { inner, is_terminated }
284    }
285}
286
287impl futures::Stream for NotifierRequestStream {
288    type Item = Result<NotifierRequest, fidl::Error>;
289
290    fn poll_next(
291        mut self: std::pin::Pin<&mut Self>,
292        cx: &mut std::task::Context<'_>,
293    ) -> std::task::Poll<Option<Self::Item>> {
294        let this = &mut *self;
295        if this.inner.check_shutdown(cx) {
296            this.is_terminated = true;
297            return std::task::Poll::Ready(None);
298        }
299        if this.is_terminated {
300            panic!("polled NotifierRequestStream after completion");
301        }
302        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
303            |bytes, handles| {
304                match this.inner.channel().read_etc(cx, bytes, handles) {
305                    std::task::Poll::Ready(Ok(())) => {}
306                    std::task::Poll::Pending => return std::task::Poll::Pending,
307                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
308                        this.is_terminated = true;
309                        return std::task::Poll::Ready(None);
310                    }
311                    std::task::Poll::Ready(Err(e)) => {
312                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
313                            e.into(),
314                        ))));
315                    }
316                }
317
318                // A message has been received from the channel
319                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
320
321                std::task::Poll::Ready(Some(match header.ordinal {
322                    0xf379d6bc002e8ee => {
323                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
324                        let mut req = fidl::new_empty!(
325                            fidl::encoding::EmptyPayload,
326                            fidl::encoding::DefaultFuchsiaResourceDialect
327                        );
328                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
329                        let control_handle = NotifierControlHandle { inner: this.inner.clone() };
330                        Ok(NotifierRequest::WatchState {
331                            responder: NotifierWatchStateResponder {
332                                control_handle: std::mem::ManuallyDrop::new(control_handle),
333                                tx_id: header.tx_id,
334                            },
335                        })
336                    }
337                    _ => Err(fidl::Error::UnknownOrdinal {
338                        ordinal: header.ordinal,
339                        protocol_name:
340                            <NotifierMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
341                    }),
342                }))
343            },
344        )
345    }
346}
347
348/// The Notifier protocol offers a subscription interface through
349/// which clients can watch for changes in the system's activity state.
350#[derive(Debug)]
351pub enum NotifierRequest {
352    /// Subscribe to changes in the system's state with a hanging-get FIDL
353    /// pattern.
354    ///
355    /// The server will always respond immediately with the initial state,
356    /// and after that whenever the system's state changes.
357    WatchState { responder: NotifierWatchStateResponder },
358}
359
360impl NotifierRequest {
361    #[allow(irrefutable_let_patterns)]
362    pub fn into_watch_state(self) -> Option<(NotifierWatchStateResponder)> {
363        if let NotifierRequest::WatchState { responder } = self { Some((responder)) } else { None }
364    }
365
366    /// Name of the method defined in FIDL
367    pub fn method_name(&self) -> &'static str {
368        match *self {
369            NotifierRequest::WatchState { .. } => "watch_state",
370        }
371    }
372}
373
374#[derive(Debug, Clone)]
375pub struct NotifierControlHandle {
376    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
377}
378
379impl fidl::endpoints::ControlHandle for NotifierControlHandle {
380    fn shutdown(&self) {
381        self.inner.shutdown()
382    }
383    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
384        self.inner.shutdown_with_epitaph(status)
385    }
386
387    fn is_closed(&self) -> bool {
388        self.inner.channel().is_closed()
389    }
390    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
391        self.inner.channel().on_closed()
392    }
393
394    #[cfg(target_os = "fuchsia")]
395    fn signal_peer(
396        &self,
397        clear_mask: zx::Signals,
398        set_mask: zx::Signals,
399    ) -> Result<(), zx_status::Status> {
400        use fidl::Peered;
401        self.inner.channel().signal_peer(clear_mask, set_mask)
402    }
403}
404
405impl NotifierControlHandle {}
406
407#[must_use = "FIDL methods require a response to be sent"]
408#[derive(Debug)]
409pub struct NotifierWatchStateResponder {
410    control_handle: std::mem::ManuallyDrop<NotifierControlHandle>,
411    tx_id: u32,
412}
413
414/// Set the the channel to be shutdown (see [`NotifierControlHandle::shutdown`])
415/// if the responder is dropped without sending a response, so that the client
416/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
417impl std::ops::Drop for NotifierWatchStateResponder {
418    fn drop(&mut self) {
419        self.control_handle.shutdown();
420        // Safety: drops once, never accessed again
421        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
422    }
423}
424
425impl fidl::endpoints::Responder for NotifierWatchStateResponder {
426    type ControlHandle = NotifierControlHandle;
427
428    fn control_handle(&self) -> &NotifierControlHandle {
429        &self.control_handle
430    }
431
432    fn drop_without_shutdown(mut self) {
433        // Safety: drops once, never accessed again due to mem::forget
434        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
435        // Prevent Drop from running (which would shut down the channel)
436        std::mem::forget(self);
437    }
438}
439
440impl NotifierWatchStateResponder {
441    /// Sends a response to the FIDL transaction.
442    ///
443    /// Sets the channel to shutdown if an error occurs.
444    pub fn send(self, mut state: State) -> Result<(), fidl::Error> {
445        let _result = self.send_raw(state);
446        if _result.is_err() {
447            self.control_handle.shutdown();
448        }
449        self.drop_without_shutdown();
450        _result
451    }
452
453    /// Similar to "send" but does not shutdown the channel if an error occurs.
454    pub fn send_no_shutdown_on_err(self, mut state: State) -> Result<(), fidl::Error> {
455        let _result = self.send_raw(state);
456        self.drop_without_shutdown();
457        _result
458    }
459
460    fn send_raw(&self, mut state: State) -> Result<(), fidl::Error> {
461        self.control_handle.inner.send::<NotifierWatchStateResponse>(
462            (state,),
463            self.tx_id,
464            0xf379d6bc002e8ee,
465            fidl::encoding::DynamicFlags::empty(),
466        )
467    }
468}
469
470mod internal {
471    use super::*;
472
473    impl fidl::encoding::ResourceTypeMarker for NotifierWatchStateResponse {
474        type Borrowed<'a> = &'a mut Self;
475        fn take_or_borrow<'a>(
476            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
477        ) -> Self::Borrowed<'a> {
478            value
479        }
480    }
481
482    unsafe impl fidl::encoding::TypeMarker for NotifierWatchStateResponse {
483        type Owned = Self;
484
485        #[inline(always)]
486        fn inline_align(_context: fidl::encoding::Context) -> usize {
487            4
488        }
489
490        #[inline(always)]
491        fn inline_size(_context: fidl::encoding::Context) -> usize {
492            4
493        }
494    }
495
496    unsafe impl
497        fidl::encoding::Encode<
498            NotifierWatchStateResponse,
499            fidl::encoding::DefaultFuchsiaResourceDialect,
500        > for &mut NotifierWatchStateResponse
501    {
502        #[inline]
503        unsafe fn encode(
504            self,
505            encoder: &mut fidl::encoding::Encoder<
506                '_,
507                fidl::encoding::DefaultFuchsiaResourceDialect,
508            >,
509            offset: usize,
510            _depth: fidl::encoding::Depth,
511        ) -> fidl::Result<()> {
512            encoder.debug_check_bounds::<NotifierWatchStateResponse>(offset);
513            // Delegate to tuple encoding.
514            fidl::encoding::Encode::<
515                NotifierWatchStateResponse,
516                fidl::encoding::DefaultFuchsiaResourceDialect,
517            >::encode(
518                (<State as fidl::encoding::ValueTypeMarker>::borrow(&self.state),),
519                encoder,
520                offset,
521                _depth,
522            )
523        }
524    }
525    unsafe impl<T0: fidl::encoding::Encode<State, fidl::encoding::DefaultFuchsiaResourceDialect>>
526        fidl::encoding::Encode<
527            NotifierWatchStateResponse,
528            fidl::encoding::DefaultFuchsiaResourceDialect,
529        > for (T0,)
530    {
531        #[inline]
532        unsafe fn encode(
533            self,
534            encoder: &mut fidl::encoding::Encoder<
535                '_,
536                fidl::encoding::DefaultFuchsiaResourceDialect,
537            >,
538            offset: usize,
539            depth: fidl::encoding::Depth,
540        ) -> fidl::Result<()> {
541            encoder.debug_check_bounds::<NotifierWatchStateResponse>(offset);
542            // Zero out padding regions. There's no need to apply masks
543            // because the unmasked parts will be overwritten by fields.
544            // Write the fields.
545            self.0.encode(encoder, offset + 0, depth)?;
546            Ok(())
547        }
548    }
549
550    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
551        for NotifierWatchStateResponse
552    {
553        #[inline(always)]
554        fn new_empty() -> Self {
555            Self { state: fidl::new_empty!(State, fidl::encoding::DefaultFuchsiaResourceDialect) }
556        }
557
558        #[inline]
559        unsafe fn decode(
560            &mut self,
561            decoder: &mut fidl::encoding::Decoder<
562                '_,
563                fidl::encoding::DefaultFuchsiaResourceDialect,
564            >,
565            offset: usize,
566            _depth: fidl::encoding::Depth,
567        ) -> fidl::Result<()> {
568            decoder.debug_check_bounds::<Self>(offset);
569            // Verify that padding bytes are zero.
570            fidl::decode!(
571                State,
572                fidl::encoding::DefaultFuchsiaResourceDialect,
573                &mut self.state,
574                decoder,
575                offset + 0,
576                _depth
577            )?;
578            Ok(())
579        }
580    }
581}
fidl_fuchsia_input_interaction/fidl_fuchsia_input_interaction.rs

fidl_fuchsia_input_interaction/
fidl_fuchsia_input_interaction.rs
