fidl_fuchsia_ui_activity/
fidl_fuchsia_ui_activity.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_ui_activity__common::*;
11use futures::future::{self, MaybeDone, TryFutureExt};
12use zx_status;
13
14#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
15pub struct ProviderWatchStateRequest {
16    pub listener: fidl::endpoints::ClientEnd<ListenerMarker>,
17}
18
19impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect> for ProviderWatchStateRequest {}
20
21#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
22pub struct ListenerMarker;
23
24impl fidl::endpoints::ProtocolMarker for ListenerMarker {
25    type Proxy = ListenerProxy;
26    type RequestStream = ListenerRequestStream;
27    #[cfg(target_os = "fuchsia")]
28    type SynchronousProxy = ListenerSynchronousProxy;
29
30    const DEBUG_NAME: &'static str = "(anonymous) Listener";
31}
32
33pub trait ListenerProxyInterface: Send + Sync {
34    type OnStateChangedResponseFut: std::future::Future<Output = Result<(), fidl::Error>> + Send;
35    fn r#on_state_changed(
36        &self,
37        state: State,
38        transition_time: i64,
39    ) -> Self::OnStateChangedResponseFut;
40}
41#[derive(Debug)]
42#[cfg(target_os = "fuchsia")]
43pub struct ListenerSynchronousProxy {
44    client: fidl::client::sync::Client,
45}
46
47#[cfg(target_os = "fuchsia")]
48impl fidl::endpoints::SynchronousProxy for ListenerSynchronousProxy {
49    type Proxy = ListenerProxy;
50    type Protocol = ListenerMarker;
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 ListenerSynchronousProxy {
67    pub fn new(channel: fidl::Channel) -> Self {
68        let protocol_name = <ListenerMarker 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<ListenerEvent, fidl::Error> {
82        ListenerEvent::decode(self.client.wait_for_event(deadline)?)
83    }
84
85    /// Callback that is invoked whenever the system state changes.
86    /// The Listener is expected to acknowledge each call explicitly and will
87    /// not receive new state until this acknowledgement is done.
88    pub fn r#on_state_changed(
89        &self,
90        mut state: State,
91        mut transition_time: i64,
92        ___deadline: zx::MonotonicInstant,
93    ) -> Result<(), fidl::Error> {
94        let _response =
95            self.client.send_query::<ListenerOnStateChangedRequest, fidl::encoding::EmptyPayload>(
96                (state, transition_time),
97                0xf74db3e6d5ba415,
98                fidl::encoding::DynamicFlags::empty(),
99                ___deadline,
100            )?;
101        Ok(_response)
102    }
103}
104
105#[cfg(target_os = "fuchsia")]
106impl From<ListenerSynchronousProxy> for zx::Handle {
107    fn from(value: ListenerSynchronousProxy) -> Self {
108        value.into_channel().into()
109    }
110}
111
112#[cfg(target_os = "fuchsia")]
113impl From<fidl::Channel> for ListenerSynchronousProxy {
114    fn from(value: fidl::Channel) -> Self {
115        Self::new(value)
116    }
117}
118
119#[cfg(target_os = "fuchsia")]
120impl fidl::endpoints::FromClient for ListenerSynchronousProxy {
121    type Protocol = ListenerMarker;
122
123    fn from_client(value: fidl::endpoints::ClientEnd<ListenerMarker>) -> Self {
124        Self::new(value.into_channel())
125    }
126}
127
128#[derive(Debug, Clone)]
129pub struct ListenerProxy {
130    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
131}
132
133impl fidl::endpoints::Proxy for ListenerProxy {
134    type Protocol = ListenerMarker;
135
136    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
137        Self::new(inner)
138    }
139
140    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
141        self.client.into_channel().map_err(|client| Self { client })
142    }
143
144    fn as_channel(&self) -> &::fidl::AsyncChannel {
145        self.client.as_channel()
146    }
147}
148
149impl ListenerProxy {
150    /// Create a new Proxy for fuchsia.ui.activity/Listener.
151    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
152        let protocol_name = <ListenerMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
153        Self { client: fidl::client::Client::new(channel, protocol_name) }
154    }
155
156    /// Get a Stream of events from the remote end of the protocol.
157    ///
158    /// # Panics
159    ///
160    /// Panics if the event stream was already taken.
161    pub fn take_event_stream(&self) -> ListenerEventStream {
162        ListenerEventStream { event_receiver: self.client.take_event_receiver() }
163    }
164
165    /// Callback that is invoked whenever the system state changes.
166    /// The Listener is expected to acknowledge each call explicitly and will
167    /// not receive new state until this acknowledgement is done.
168    pub fn r#on_state_changed(
169        &self,
170        mut state: State,
171        mut transition_time: i64,
172    ) -> fidl::client::QueryResponseFut<(), fidl::encoding::DefaultFuchsiaResourceDialect> {
173        ListenerProxyInterface::r#on_state_changed(self, state, transition_time)
174    }
175}
176
177impl ListenerProxyInterface for ListenerProxy {
178    type OnStateChangedResponseFut =
179        fidl::client::QueryResponseFut<(), fidl::encoding::DefaultFuchsiaResourceDialect>;
180    fn r#on_state_changed(
181        &self,
182        mut state: State,
183        mut transition_time: i64,
184    ) -> Self::OnStateChangedResponseFut {
185        fn _decode(
186            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
187        ) -> Result<(), fidl::Error> {
188            let _response = fidl::client::decode_transaction_body::<
189                fidl::encoding::EmptyPayload,
190                fidl::encoding::DefaultFuchsiaResourceDialect,
191                0xf74db3e6d5ba415,
192            >(_buf?)?;
193            Ok(_response)
194        }
195        self.client.send_query_and_decode::<ListenerOnStateChangedRequest, ()>(
196            (state, transition_time),
197            0xf74db3e6d5ba415,
198            fidl::encoding::DynamicFlags::empty(),
199            _decode,
200        )
201    }
202}
203
204pub struct ListenerEventStream {
205    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
206}
207
208impl std::marker::Unpin for ListenerEventStream {}
209
210impl futures::stream::FusedStream for ListenerEventStream {
211    fn is_terminated(&self) -> bool {
212        self.event_receiver.is_terminated()
213    }
214}
215
216impl futures::Stream for ListenerEventStream {
217    type Item = Result<ListenerEvent, fidl::Error>;
218
219    fn poll_next(
220        mut self: std::pin::Pin<&mut Self>,
221        cx: &mut std::task::Context<'_>,
222    ) -> std::task::Poll<Option<Self::Item>> {
223        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
224            &mut self.event_receiver,
225            cx
226        )?) {
227            Some(buf) => std::task::Poll::Ready(Some(ListenerEvent::decode(buf))),
228            None => std::task::Poll::Ready(None),
229        }
230    }
231}
232
233#[derive(Debug)]
234pub enum ListenerEvent {}
235
236impl ListenerEvent {
237    /// Decodes a message buffer as a [`ListenerEvent`].
238    fn decode(
239        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
240    ) -> Result<ListenerEvent, fidl::Error> {
241        let (bytes, _handles) = buf.split_mut();
242        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
243        debug_assert_eq!(tx_header.tx_id, 0);
244        match tx_header.ordinal {
245            _ => Err(fidl::Error::UnknownOrdinal {
246                ordinal: tx_header.ordinal,
247                protocol_name: <ListenerMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
248            }),
249        }
250    }
251}
252
253/// A Stream of incoming requests for fuchsia.ui.activity/Listener.
254pub struct ListenerRequestStream {
255    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
256    is_terminated: bool,
257}
258
259impl std::marker::Unpin for ListenerRequestStream {}
260
261impl futures::stream::FusedStream for ListenerRequestStream {
262    fn is_terminated(&self) -> bool {
263        self.is_terminated
264    }
265}
266
267impl fidl::endpoints::RequestStream for ListenerRequestStream {
268    type Protocol = ListenerMarker;
269    type ControlHandle = ListenerControlHandle;
270
271    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
272        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
273    }
274
275    fn control_handle(&self) -> Self::ControlHandle {
276        ListenerControlHandle { inner: self.inner.clone() }
277    }
278
279    fn into_inner(
280        self,
281    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
282    {
283        (self.inner, self.is_terminated)
284    }
285
286    fn from_inner(
287        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
288        is_terminated: bool,
289    ) -> Self {
290        Self { inner, is_terminated }
291    }
292}
293
294impl futures::Stream for ListenerRequestStream {
295    type Item = Result<ListenerRequest, fidl::Error>;
296
297    fn poll_next(
298        mut self: std::pin::Pin<&mut Self>,
299        cx: &mut std::task::Context<'_>,
300    ) -> std::task::Poll<Option<Self::Item>> {
301        let this = &mut *self;
302        if this.inner.check_shutdown(cx) {
303            this.is_terminated = true;
304            return std::task::Poll::Ready(None);
305        }
306        if this.is_terminated {
307            panic!("polled ListenerRequestStream after completion");
308        }
309        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
310            |bytes, handles| {
311                match this.inner.channel().read_etc(cx, bytes, handles) {
312                    std::task::Poll::Ready(Ok(())) => {}
313                    std::task::Poll::Pending => return std::task::Poll::Pending,
314                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
315                        this.is_terminated = true;
316                        return std::task::Poll::Ready(None);
317                    }
318                    std::task::Poll::Ready(Err(e)) => {
319                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
320                            e.into(),
321                        ))))
322                    }
323                }
324
325                // A message has been received from the channel
326                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
327
328                std::task::Poll::Ready(Some(match header.ordinal {
329                    0xf74db3e6d5ba415 => {
330                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
331                        let mut req = fidl::new_empty!(
332                            ListenerOnStateChangedRequest,
333                            fidl::encoding::DefaultFuchsiaResourceDialect
334                        );
335                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ListenerOnStateChangedRequest>(&header, _body_bytes, handles, &mut req)?;
336                        let control_handle = ListenerControlHandle { inner: this.inner.clone() };
337                        Ok(ListenerRequest::OnStateChanged {
338                            state: req.state,
339                            transition_time: req.transition_time,
340
341                            responder: ListenerOnStateChangedResponder {
342                                control_handle: std::mem::ManuallyDrop::new(control_handle),
343                                tx_id: header.tx_id,
344                            },
345                        })
346                    }
347                    _ => Err(fidl::Error::UnknownOrdinal {
348                        ordinal: header.ordinal,
349                        protocol_name:
350                            <ListenerMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
351                    }),
352                }))
353            },
354        )
355    }
356}
357
358/// The Listener protocol subscribes to changes in the system's activity
359/// state. Clients which care about the activity state of the system are
360/// expected to implement this protocol and subscribe via Provider.WatchState.
361#[derive(Debug)]
362pub enum ListenerRequest {
363    /// Callback that is invoked whenever the system state changes.
364    /// The Listener is expected to acknowledge each call explicitly and will
365    /// not receive new state until this acknowledgement is done.
366    OnStateChanged {
367        state: State,
368        transition_time: i64,
369        responder: ListenerOnStateChangedResponder,
370    },
371}
372
373impl ListenerRequest {
374    #[allow(irrefutable_let_patterns)]
375    pub fn into_on_state_changed(self) -> Option<(State, i64, ListenerOnStateChangedResponder)> {
376        if let ListenerRequest::OnStateChanged { state, transition_time, responder } = self {
377            Some((state, transition_time, responder))
378        } else {
379            None
380        }
381    }
382
383    /// Name of the method defined in FIDL
384    pub fn method_name(&self) -> &'static str {
385        match *self {
386            ListenerRequest::OnStateChanged { .. } => "on_state_changed",
387        }
388    }
389}
390
391#[derive(Debug, Clone)]
392pub struct ListenerControlHandle {
393    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
394}
395
396impl fidl::endpoints::ControlHandle for ListenerControlHandle {
397    fn shutdown(&self) {
398        self.inner.shutdown()
399    }
400    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
401        self.inner.shutdown_with_epitaph(status)
402    }
403
404    fn is_closed(&self) -> bool {
405        self.inner.channel().is_closed()
406    }
407    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
408        self.inner.channel().on_closed()
409    }
410
411    #[cfg(target_os = "fuchsia")]
412    fn signal_peer(
413        &self,
414        clear_mask: zx::Signals,
415        set_mask: zx::Signals,
416    ) -> Result<(), zx_status::Status> {
417        use fidl::Peered;
418        self.inner.channel().signal_peer(clear_mask, set_mask)
419    }
420}
421
422impl ListenerControlHandle {}
423
424#[must_use = "FIDL methods require a response to be sent"]
425#[derive(Debug)]
426pub struct ListenerOnStateChangedResponder {
427    control_handle: std::mem::ManuallyDrop<ListenerControlHandle>,
428    tx_id: u32,
429}
430
431/// Set the the channel to be shutdown (see [`ListenerControlHandle::shutdown`])
432/// if the responder is dropped without sending a response, so that the client
433/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
434impl std::ops::Drop for ListenerOnStateChangedResponder {
435    fn drop(&mut self) {
436        self.control_handle.shutdown();
437        // Safety: drops once, never accessed again
438        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
439    }
440}
441
442impl fidl::endpoints::Responder for ListenerOnStateChangedResponder {
443    type ControlHandle = ListenerControlHandle;
444
445    fn control_handle(&self) -> &ListenerControlHandle {
446        &self.control_handle
447    }
448
449    fn drop_without_shutdown(mut self) {
450        // Safety: drops once, never accessed again due to mem::forget
451        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
452        // Prevent Drop from running (which would shut down the channel)
453        std::mem::forget(self);
454    }
455}
456
457impl ListenerOnStateChangedResponder {
458    /// Sends a response to the FIDL transaction.
459    ///
460    /// Sets the channel to shutdown if an error occurs.
461    pub fn send(self) -> Result<(), fidl::Error> {
462        let _result = self.send_raw();
463        if _result.is_err() {
464            self.control_handle.shutdown();
465        }
466        self.drop_without_shutdown();
467        _result
468    }
469
470    /// Similar to "send" but does not shutdown the channel if an error occurs.
471    pub fn send_no_shutdown_on_err(self) -> Result<(), fidl::Error> {
472        let _result = self.send_raw();
473        self.drop_without_shutdown();
474        _result
475    }
476
477    fn send_raw(&self) -> Result<(), fidl::Error> {
478        self.control_handle.inner.send::<fidl::encoding::EmptyPayload>(
479            (),
480            self.tx_id,
481            0xf74db3e6d5ba415,
482            fidl::encoding::DynamicFlags::empty(),
483        )
484    }
485}
486
487#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
488pub struct ProviderMarker;
489
490impl fidl::endpoints::ProtocolMarker for ProviderMarker {
491    type Proxy = ProviderProxy;
492    type RequestStream = ProviderRequestStream;
493    #[cfg(target_os = "fuchsia")]
494    type SynchronousProxy = ProviderSynchronousProxy;
495
496    const DEBUG_NAME: &'static str = "fuchsia.ui.activity.Provider";
497}
498impl fidl::endpoints::DiscoverableProtocolMarker for ProviderMarker {}
499
500pub trait ProviderProxyInterface: Send + Sync {
501    fn r#watch_state(
502        &self,
503        listener: fidl::endpoints::ClientEnd<ListenerMarker>,
504    ) -> Result<(), fidl::Error>;
505}
506#[derive(Debug)]
507#[cfg(target_os = "fuchsia")]
508pub struct ProviderSynchronousProxy {
509    client: fidl::client::sync::Client,
510}
511
512#[cfg(target_os = "fuchsia")]
513impl fidl::endpoints::SynchronousProxy for ProviderSynchronousProxy {
514    type Proxy = ProviderProxy;
515    type Protocol = ProviderMarker;
516
517    fn from_channel(inner: fidl::Channel) -> Self {
518        Self::new(inner)
519    }
520
521    fn into_channel(self) -> fidl::Channel {
522        self.client.into_channel()
523    }
524
525    fn as_channel(&self) -> &fidl::Channel {
526        self.client.as_channel()
527    }
528}
529
530#[cfg(target_os = "fuchsia")]
531impl ProviderSynchronousProxy {
532    pub fn new(channel: fidl::Channel) -> Self {
533        let protocol_name = <ProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
534        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
535    }
536
537    pub fn into_channel(self) -> fidl::Channel {
538        self.client.into_channel()
539    }
540
541    /// Waits until an event arrives and returns it. It is safe for other
542    /// threads to make concurrent requests while waiting for an event.
543    pub fn wait_for_event(
544        &self,
545        deadline: zx::MonotonicInstant,
546    ) -> Result<ProviderEvent, fidl::Error> {
547        ProviderEvent::decode(self.client.wait_for_event(deadline)?)
548    }
549
550    /// Subscribe to changes in the system's state.
551    /// The server will always invoke listener.OnStateChanged at least once with
552    /// the initial state, and after that invoke listener.OnStateChanged
553    /// whenever the system's state changes.
554    pub fn r#watch_state(
555        &self,
556        mut listener: fidl::endpoints::ClientEnd<ListenerMarker>,
557    ) -> Result<(), fidl::Error> {
558        self.client.send::<ProviderWatchStateRequest>(
559            (listener,),
560            0x592e25a4cbe7f884,
561            fidl::encoding::DynamicFlags::empty(),
562        )
563    }
564}
565
566#[cfg(target_os = "fuchsia")]
567impl From<ProviderSynchronousProxy> for zx::Handle {
568    fn from(value: ProviderSynchronousProxy) -> Self {
569        value.into_channel().into()
570    }
571}
572
573#[cfg(target_os = "fuchsia")]
574impl From<fidl::Channel> for ProviderSynchronousProxy {
575    fn from(value: fidl::Channel) -> Self {
576        Self::new(value)
577    }
578}
579
580#[cfg(target_os = "fuchsia")]
581impl fidl::endpoints::FromClient for ProviderSynchronousProxy {
582    type Protocol = ProviderMarker;
583
584    fn from_client(value: fidl::endpoints::ClientEnd<ProviderMarker>) -> Self {
585        Self::new(value.into_channel())
586    }
587}
588
589#[derive(Debug, Clone)]
590pub struct ProviderProxy {
591    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
592}
593
594impl fidl::endpoints::Proxy for ProviderProxy {
595    type Protocol = ProviderMarker;
596
597    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
598        Self::new(inner)
599    }
600
601    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
602        self.client.into_channel().map_err(|client| Self { client })
603    }
604
605    fn as_channel(&self) -> &::fidl::AsyncChannel {
606        self.client.as_channel()
607    }
608}
609
610impl ProviderProxy {
611    /// Create a new Proxy for fuchsia.ui.activity/Provider.
612    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
613        let protocol_name = <ProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
614        Self { client: fidl::client::Client::new(channel, protocol_name) }
615    }
616
617    /// Get a Stream of events from the remote end of the protocol.
618    ///
619    /// # Panics
620    ///
621    /// Panics if the event stream was already taken.
622    pub fn take_event_stream(&self) -> ProviderEventStream {
623        ProviderEventStream { event_receiver: self.client.take_event_receiver() }
624    }
625
626    /// Subscribe to changes in the system's state.
627    /// The server will always invoke listener.OnStateChanged at least once with
628    /// the initial state, and after that invoke listener.OnStateChanged
629    /// whenever the system's state changes.
630    pub fn r#watch_state(
631        &self,
632        mut listener: fidl::endpoints::ClientEnd<ListenerMarker>,
633    ) -> Result<(), fidl::Error> {
634        ProviderProxyInterface::r#watch_state(self, listener)
635    }
636}
637
638impl ProviderProxyInterface for ProviderProxy {
639    fn r#watch_state(
640        &self,
641        mut listener: fidl::endpoints::ClientEnd<ListenerMarker>,
642    ) -> Result<(), fidl::Error> {
643        self.client.send::<ProviderWatchStateRequest>(
644            (listener,),
645            0x592e25a4cbe7f884,
646            fidl::encoding::DynamicFlags::empty(),
647        )
648    }
649}
650
651pub struct ProviderEventStream {
652    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
653}
654
655impl std::marker::Unpin for ProviderEventStream {}
656
657impl futures::stream::FusedStream for ProviderEventStream {
658    fn is_terminated(&self) -> bool {
659        self.event_receiver.is_terminated()
660    }
661}
662
663impl futures::Stream for ProviderEventStream {
664    type Item = Result<ProviderEvent, fidl::Error>;
665
666    fn poll_next(
667        mut self: std::pin::Pin<&mut Self>,
668        cx: &mut std::task::Context<'_>,
669    ) -> std::task::Poll<Option<Self::Item>> {
670        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
671            &mut self.event_receiver,
672            cx
673        )?) {
674            Some(buf) => std::task::Poll::Ready(Some(ProviderEvent::decode(buf))),
675            None => std::task::Poll::Ready(None),
676        }
677    }
678}
679
680#[derive(Debug)]
681pub enum ProviderEvent {}
682
683impl ProviderEvent {
684    /// Decodes a message buffer as a [`ProviderEvent`].
685    fn decode(
686        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
687    ) -> Result<ProviderEvent, fidl::Error> {
688        let (bytes, _handles) = buf.split_mut();
689        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
690        debug_assert_eq!(tx_header.tx_id, 0);
691        match tx_header.ordinal {
692            _ => Err(fidl::Error::UnknownOrdinal {
693                ordinal: tx_header.ordinal,
694                protocol_name: <ProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
695            }),
696        }
697    }
698}
699
700/// A Stream of incoming requests for fuchsia.ui.activity/Provider.
701pub struct ProviderRequestStream {
702    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
703    is_terminated: bool,
704}
705
706impl std::marker::Unpin for ProviderRequestStream {}
707
708impl futures::stream::FusedStream for ProviderRequestStream {
709    fn is_terminated(&self) -> bool {
710        self.is_terminated
711    }
712}
713
714impl fidl::endpoints::RequestStream for ProviderRequestStream {
715    type Protocol = ProviderMarker;
716    type ControlHandle = ProviderControlHandle;
717
718    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
719        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
720    }
721
722    fn control_handle(&self) -> Self::ControlHandle {
723        ProviderControlHandle { inner: self.inner.clone() }
724    }
725
726    fn into_inner(
727        self,
728    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
729    {
730        (self.inner, self.is_terminated)
731    }
732
733    fn from_inner(
734        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
735        is_terminated: bool,
736    ) -> Self {
737        Self { inner, is_terminated }
738    }
739}
740
741impl futures::Stream for ProviderRequestStream {
742    type Item = Result<ProviderRequest, fidl::Error>;
743
744    fn poll_next(
745        mut self: std::pin::Pin<&mut Self>,
746        cx: &mut std::task::Context<'_>,
747    ) -> std::task::Poll<Option<Self::Item>> {
748        let this = &mut *self;
749        if this.inner.check_shutdown(cx) {
750            this.is_terminated = true;
751            return std::task::Poll::Ready(None);
752        }
753        if this.is_terminated {
754            panic!("polled ProviderRequestStream after completion");
755        }
756        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
757            |bytes, handles| {
758                match this.inner.channel().read_etc(cx, bytes, handles) {
759                    std::task::Poll::Ready(Ok(())) => {}
760                    std::task::Poll::Pending => return std::task::Poll::Pending,
761                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
762                        this.is_terminated = true;
763                        return std::task::Poll::Ready(None);
764                    }
765                    std::task::Poll::Ready(Err(e)) => {
766                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
767                            e.into(),
768                        ))))
769                    }
770                }
771
772                // A message has been received from the channel
773                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
774
775                std::task::Poll::Ready(Some(match header.ordinal {
776                    0x592e25a4cbe7f884 => {
777                        header.validate_request_tx_id(fidl::MethodType::OneWay)?;
778                        let mut req = fidl::new_empty!(
779                            ProviderWatchStateRequest,
780                            fidl::encoding::DefaultFuchsiaResourceDialect
781                        );
782                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ProviderWatchStateRequest>(&header, _body_bytes, handles, &mut req)?;
783                        let control_handle = ProviderControlHandle { inner: this.inner.clone() };
784                        Ok(ProviderRequest::WatchState { listener: req.listener, control_handle })
785                    }
786                    _ => Err(fidl::Error::UnknownOrdinal {
787                        ordinal: header.ordinal,
788                        protocol_name:
789                            <ProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
790                    }),
791                }))
792            },
793        )
794    }
795}
796
797/// The Provider protocol offers a subscription interface through
798/// which clients can watch for changes in the system's activity state.
799#[derive(Debug)]
800pub enum ProviderRequest {
801    /// Subscribe to changes in the system's state.
802    /// The server will always invoke listener.OnStateChanged at least once with
803    /// the initial state, and after that invoke listener.OnStateChanged
804    /// whenever the system's state changes.
805    WatchState {
806        listener: fidl::endpoints::ClientEnd<ListenerMarker>,
807        control_handle: ProviderControlHandle,
808    },
809}
810
811impl ProviderRequest {
812    #[allow(irrefutable_let_patterns)]
813    pub fn into_watch_state(
814        self,
815    ) -> Option<(fidl::endpoints::ClientEnd<ListenerMarker>, ProviderControlHandle)> {
816        if let ProviderRequest::WatchState { listener, control_handle } = self {
817            Some((listener, control_handle))
818        } else {
819            None
820        }
821    }
822
823    /// Name of the method defined in FIDL
824    pub fn method_name(&self) -> &'static str {
825        match *self {
826            ProviderRequest::WatchState { .. } => "watch_state",
827        }
828    }
829}
830
831#[derive(Debug, Clone)]
832pub struct ProviderControlHandle {
833    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
834}
835
836impl fidl::endpoints::ControlHandle for ProviderControlHandle {
837    fn shutdown(&self) {
838        self.inner.shutdown()
839    }
840    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
841        self.inner.shutdown_with_epitaph(status)
842    }
843
844    fn is_closed(&self) -> bool {
845        self.inner.channel().is_closed()
846    }
847    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
848        self.inner.channel().on_closed()
849    }
850
851    #[cfg(target_os = "fuchsia")]
852    fn signal_peer(
853        &self,
854        clear_mask: zx::Signals,
855        set_mask: zx::Signals,
856    ) -> Result<(), zx_status::Status> {
857        use fidl::Peered;
858        self.inner.channel().signal_peer(clear_mask, set_mask)
859    }
860}
861
862impl ProviderControlHandle {}
863
864mod internal {
865    use super::*;
866
867    impl fidl::encoding::ResourceTypeMarker for ProviderWatchStateRequest {
868        type Borrowed<'a> = &'a mut Self;
869        fn take_or_borrow<'a>(
870            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
871        ) -> Self::Borrowed<'a> {
872            value
873        }
874    }
875
876    unsafe impl fidl::encoding::TypeMarker for ProviderWatchStateRequest {
877        type Owned = Self;
878
879        #[inline(always)]
880        fn inline_align(_context: fidl::encoding::Context) -> usize {
881            4
882        }
883
884        #[inline(always)]
885        fn inline_size(_context: fidl::encoding::Context) -> usize {
886            4
887        }
888    }
889
890    unsafe impl
891        fidl::encoding::Encode<
892            ProviderWatchStateRequest,
893            fidl::encoding::DefaultFuchsiaResourceDialect,
894        > for &mut ProviderWatchStateRequest
895    {
896        #[inline]
897        unsafe fn encode(
898            self,
899            encoder: &mut fidl::encoding::Encoder<
900                '_,
901                fidl::encoding::DefaultFuchsiaResourceDialect,
902            >,
903            offset: usize,
904            _depth: fidl::encoding::Depth,
905        ) -> fidl::Result<()> {
906            encoder.debug_check_bounds::<ProviderWatchStateRequest>(offset);
907            // Delegate to tuple encoding.
908            fidl::encoding::Encode::<ProviderWatchStateRequest, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
909                (
910                    <fidl::encoding::Endpoint<fidl::endpoints::ClientEnd<ListenerMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.listener),
911                ),
912                encoder, offset, _depth
913            )
914        }
915    }
916    unsafe impl<
917            T0: fidl::encoding::Encode<
918                fidl::encoding::Endpoint<fidl::endpoints::ClientEnd<ListenerMarker>>,
919                fidl::encoding::DefaultFuchsiaResourceDialect,
920            >,
921        >
922        fidl::encoding::Encode<
923            ProviderWatchStateRequest,
924            fidl::encoding::DefaultFuchsiaResourceDialect,
925        > for (T0,)
926    {
927        #[inline]
928        unsafe fn encode(
929            self,
930            encoder: &mut fidl::encoding::Encoder<
931                '_,
932                fidl::encoding::DefaultFuchsiaResourceDialect,
933            >,
934            offset: usize,
935            depth: fidl::encoding::Depth,
936        ) -> fidl::Result<()> {
937            encoder.debug_check_bounds::<ProviderWatchStateRequest>(offset);
938            // Zero out padding regions. There's no need to apply masks
939            // because the unmasked parts will be overwritten by fields.
940            // Write the fields.
941            self.0.encode(encoder, offset + 0, depth)?;
942            Ok(())
943        }
944    }
945
946    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
947        for ProviderWatchStateRequest
948    {
949        #[inline(always)]
950        fn new_empty() -> Self {
951            Self {
952                listener: fidl::new_empty!(
953                    fidl::encoding::Endpoint<fidl::endpoints::ClientEnd<ListenerMarker>>,
954                    fidl::encoding::DefaultFuchsiaResourceDialect
955                ),
956            }
957        }
958
959        #[inline]
960        unsafe fn decode(
961            &mut self,
962            decoder: &mut fidl::encoding::Decoder<
963                '_,
964                fidl::encoding::DefaultFuchsiaResourceDialect,
965            >,
966            offset: usize,
967            _depth: fidl::encoding::Depth,
968        ) -> fidl::Result<()> {
969            decoder.debug_check_bounds::<Self>(offset);
970            // Verify that padding bytes are zero.
971            fidl::decode!(
972                fidl::encoding::Endpoint<fidl::endpoints::ClientEnd<ListenerMarker>>,
973                fidl::encoding::DefaultFuchsiaResourceDialect,
974                &mut self.listener,
975                decoder,
976                offset + 0,
977                _depth
978            )?;
979            Ok(())
980        }
981    }
982}
fidl_fuchsia_ui_activity/fidl_fuchsia_ui_activity.rs

fidl_fuchsia_ui_activity/
fidl_fuchsia_ui_activity.rs
