ruma_events/
enums.rs

1use ruma_common::{
2    EventId, MilliSecondsSinceUnixEpoch, OwnedRoomId, RoomId, TransactionId, UserId,
3    serde::{JsonCastable, from_raw_json_value},
4};
5#[cfg(feature = "unstable-msc3381")]
6use ruma_events::{
7    poll::{start::PollStartEventContent, unstable_start::UnstablePollStartEventContent},
8    room::encrypted::Replacement,
9};
10use ruma_macros::{EventEnumFromEvent, event_enum};
11use serde::{Deserialize, Serialize, de};
12use serde_json::value::RawValue as RawJsonValue;
13
14use super::room::encrypted;
15
16/// Event types that servers should send as [stripped state] to help clients identify a room when
17/// they can't access the full room state.
18///
19/// [stripped state]: https://spec.matrix.org/v1.18/client-server-api/#stripped-state
20pub const RECOMMENDED_STRIPPED_STATE_EVENT_TYPES: &[StateEventType] = &[
21    StateEventType::RoomCreate,
22    StateEventType::RoomName,
23    StateEventType::RoomAvatar,
24    StateEventType::RoomTopic,
25    StateEventType::RoomJoinRules,
26    StateEventType::RoomCanonicalAlias,
27    StateEventType::RoomEncryption,
28];
29
30/// Event types that servers should transfer upon [room upgrade]. The exact details for what is
31/// transferred is left as an implementation detail.
32///
33/// [room upgrade]: https://spec.matrix.org/v1.18/client-server-api/#server-behaviour-21
34pub const RECOMMENDED_TRANSFERABLE_STATE_EVENT_TYPES: &[StateEventType] = &[
35    StateEventType::RoomServerAcl,
36    StateEventType::RoomEncryption,
37    StateEventType::RoomName,
38    StateEventType::RoomAvatar,
39    StateEventType::RoomTopic,
40    StateEventType::RoomGuestAccess,
41    StateEventType::RoomHistoryVisibility,
42    StateEventType::RoomJoinRules,
43    StateEventType::RoomPowerLevels,
44];
45
46event_enum! {
47    /// Any global account data event.
48    enum GlobalAccountData {
49        "m.direct" => super::direct,
50        #[cfg(feature = "unstable-msc4359")]
51        #[ruma_enum(ident = DoNotDisturb, alias = "m.do_not_disturb")]
52        "dm.filament.do_not_disturb" => super::do_not_disturb,
53        "m.identity_server" => super::identity_server,
54        "m.invite_permission_config" => super::invite_permission_config,
55        #[cfg(feature = "unstable-msc4380")]
56        #[ruma_enum(ident = UnstableInvitePermissionConfig)]
57        "org.matrix.msc4380.invite_permission_config" => super::invite_permission_config,
58        "m.ignored_user_list" => super::ignored_user_list,
59        "m.push_rules" => super::push_rules,
60        "m.secret_storage.default_key" => super::secret_storage::default_key,
61        "m.secret_storage.key.*" => super::secret_storage::key,
62        #[cfg(feature = "unstable-msc4278")]
63        "m.media_preview_config" => super::media_preview_config,
64        #[cfg(feature = "unstable-msc4278")]
65        #[ruma_enum(ident = UnstableMediaPreviewConfig)]
66        "io.element.msc4278.media_preview_config" => super::media_preview_config,
67        #[cfg(feature = "unstable-msc2545")]
68        #[ruma_enum(ident = AccountImagePack, alias = "m.image_pack")]
69        "im.ponies.user_emotes" => super::image_pack,
70        #[cfg(feature = "unstable-msc2545")]
71        #[ruma_enum(ident = ImagePackRooms, alias = "m.image_pack.rooms")]
72        "im.ponies.emote_rooms" => super::image_pack,
73        "m.recent_emoji" => super::recent_emoji,
74        "m.key_backup" => super::key_backup,
75    }
76
77    /// Any room account data event.
78    enum RoomAccountData {
79        "m.fully_read" => super::fully_read,
80        "m.tag" => super::tag,
81        "m.marked_unread" => super::marked_unread,
82        #[cfg(feature = "unstable-msc2867")]
83        #[ruma_enum(ident = UnstableMarkedUnread)]
84        "com.famedly.marked_unread" => super::marked_unread,
85        #[cfg(feature = "unstable-msc4278")]
86        "m.media_preview_config" => super::media_preview_config,
87        #[cfg(feature = "unstable-msc4278")]
88        #[ruma_enum(ident = UnstableMediaPreviewConfig)]
89        "io.element.msc4278.media_preview_config" => super::media_preview_config,
90        #[cfg(feature = "unstable-msc3230")]
91        #[ruma_enum(alias = "m.space_order")]
92        "org.matrix.msc3230.space_order" => super::space_order,
93    }
94
95    /// Any ephemeral room event.
96    enum EphemeralRoom {
97        "m.receipt" => super::receipt,
98        "m.typing" => super::typing,
99    }
100
101    /// Any message-like event.
102    enum MessageLike {
103        #[cfg(feature = "unstable-msc3927")]
104        #[ruma_enum(alias = "m.audio")]
105        "org.matrix.msc1767.audio" => super::audio,
106        "m.call.answer" => super::call::answer,
107        "m.call.invite" => super::call::invite,
108        "m.call.hangup" => super::call::hangup,
109        "m.call.candidates" => super::call::candidates,
110        "m.call.negotiate" => super::call::negotiate,
111        "m.call.reject" => super::call::reject,
112        #[ruma_enum(alias = "org.matrix.call.sdp_stream_metadata_changed")]
113        "m.call.sdp_stream_metadata_changed" => super::call::sdp_stream_metadata_changed,
114        "m.call.select_answer" => super::call::select_answer,
115        #[cfg(feature = "unstable-msc3954")]
116        #[ruma_enum(alias = "m.emote")]
117        "org.matrix.msc1767.emote" => super::emote,
118        #[cfg(feature = "unstable-msc3956")]
119        #[ruma_enum(alias = "m.encrypted")]
120        "org.matrix.msc1767.encrypted" => super::encrypted,
121        #[cfg(feature = "unstable-msc3551")]
122        #[ruma_enum(alias = "m.file")]
123        "org.matrix.msc1767.file" => super::file,
124        #[cfg(feature = "unstable-msc3552")]
125        #[ruma_enum(alias = "m.image")]
126        "org.matrix.msc1767.image" => super::image,
127        "m.key.verification.ready" => super::key::verification::ready,
128        "m.key.verification.start" => super::key::verification::start,
129        "m.key.verification.cancel" => super::key::verification::cancel,
130        "m.key.verification.accept" => super::key::verification::accept,
131        "m.key.verification.key" => super::key::verification::key,
132        "m.key.verification.mac" => super::key::verification::mac,
133        "m.key.verification.done" => super::key::verification::done,
134        #[cfg(feature = "unstable-msc3488")]
135        "m.location" => super::location,
136        #[cfg(feature = "unstable-msc1767")]
137        #[ruma_enum(alias = "m.message")]
138        "org.matrix.msc1767.message" => super::message,
139        #[cfg(feature = "unstable-msc3381")]
140        "m.poll.start" => super::poll::start,
141        #[cfg(feature = "unstable-msc3381")]
142        #[ruma_enum(ident = UnstablePollStart)]
143        "org.matrix.msc3381.poll.start" => super::poll::unstable_start,
144        #[cfg(feature = "unstable-msc3381")]
145        "m.poll.response" => super::poll::response,
146        #[cfg(feature = "unstable-msc3381")]
147        #[ruma_enum(ident = UnstablePollResponse)]
148        "org.matrix.msc3381.poll.response" => super::poll::unstable_response,
149        #[cfg(feature = "unstable-msc3381")]
150        "m.poll.end" => super::poll::end,
151        #[cfg(feature = "unstable-msc3381")]
152        #[ruma_enum(ident = UnstablePollEnd)]
153        "org.matrix.msc3381.poll.end" => super::poll::unstable_end,
154        #[cfg(feature = "unstable-msc3489")]
155        #[ruma_enum(alias = "m.beacon")]
156        "org.matrix.msc3672.beacon" => super::beacon,
157        "m.reaction" => super::reaction,
158        "m.room.encrypted" => super::room::encrypted,
159        "m.room.message" => super::room::message,
160        "m.room.redaction" => super::room::redaction,
161        "m.sticker" => super::sticker,
162        #[cfg(feature = "unstable-msc3553")]
163        #[ruma_enum(alias = "m.video")]
164        "org.matrix.msc1767.video" => super::video,
165        #[cfg(feature = "unstable-msc3245")]
166        #[ruma_enum(alias = "m.voice")]
167        "org.matrix.msc3245.voice.v2" => super::voice,
168        #[cfg(feature = "unstable-msc4075")]
169        #[ruma_enum(alias = "m.call.notify")]
170        #[allow(deprecated)]
171        "org.matrix.msc4075.call.notify" => super::call::notify,
172        #[cfg(feature = "unstable-msc4075")]
173        #[ruma_enum(alias = "m.rtc.notification")]
174        "org.matrix.msc4075.rtc.notification" => super::rtc::notification,
175        #[cfg(feature = "unstable-msc4310")]
176        #[ruma_enum(alias = "m.rtc.decline")]
177        "org.matrix.msc4310.rtc.decline" => super::rtc::decline,
178    }
179
180    /// Any state event.
181    enum State {
182        "m.policy.rule.room" => super::policy::rule::room,
183        "m.policy.rule.server" => super::policy::rule::server,
184        "m.policy.rule.user" => super::policy::rule::user,
185        "m.room.avatar" => super::room::avatar,
186        "m.room.canonical_alias" => super::room::canonical_alias,
187        "m.room.create" => super::room::create,
188        "m.room.encryption" => super::room::encryption,
189        #[cfg(feature = "unstable-msc4362")]
190        "m.room.encrypted" => super::room::encrypted::unstable_state,
191        "m.room.guest_access" => super::room::guest_access,
192        "m.room.history_visibility" => super::room::history_visibility,
193        "m.room.join_rules" => super::room::join_rules,
194        #[cfg(feature = "unstable-msc4334")]
195        #[ruma_enum(alias = "m.room.language")]
196        "org.matrix.msc4334.room.language" => super::room::language,
197        "m.room.member" => super::room::member,
198        "m.room.name" => super::room::name,
199        "m.room.pinned_events" => super::room::pinned_events,
200        "m.room.policy" => super::room::policy,
201        "m.room.power_levels" => super::room::power_levels,
202        "m.room.server_acl" => super::room::server_acl,
203        "m.room.third_party_invite" => super::room::third_party_invite,
204        "m.room.tombstone" => super::room::tombstone,
205        "m.room.topic" => super::room::topic,
206        "m.space.child" => super::space::child,
207        "m.space.parent" => super::space::parent,
208        #[cfg(feature = "unstable-msc2545")]
209        #[ruma_enum(ident = RoomImagePack, alias = "m.image_pack")]
210        "im.ponies.room_emotes" => super::image_pack,
211        #[cfg(feature = "unstable-msc3489")]
212        #[ruma_enum(alias = "m.beacon_info")]
213        "org.matrix.msc3672.beacon_info" => super::beacon_info,
214        #[cfg(feature = "unstable-msc3401")]
215        #[ruma_enum(alias = "m.call.member")]
216        "org.matrix.msc3401.call.member" => super::call::member,
217        #[cfg(feature = "unstable-msc4171")]
218        #[ruma_enum(alias = "m.member_hints")]
219        "io.element.functional_members" => super::member_hints,
220    }
221
222    /// Any to-device event.
223    enum ToDevice {
224        "m.dummy" => super::dummy,
225        "m.room_key" => super::room_key,
226        #[cfg(feature = "unstable-msc4268")]
227        #[ruma_enum(alias = "m.room_key_bundle")]
228        "io.element.msc4268.room_key_bundle" => super::room_key_bundle,
229        "m.room_key_request" => super::room_key_request,
230        "m.room_key.withheld" => super::room_key::withheld,
231        "m.forwarded_room_key" => super::forwarded_room_key,
232        "m.key.verification.request" => super::key::verification::request,
233        "m.key.verification.ready" => super::key::verification::ready,
234        "m.key.verification.start" => super::key::verification::start,
235        "m.key.verification.cancel" => super::key::verification::cancel,
236        "m.key.verification.accept" => super::key::verification::accept,
237        "m.key.verification.key" => super::key::verification::key,
238        "m.key.verification.mac" => super::key::verification::mac,
239        "m.key.verification.done" => super::key::verification::done,
240        "m.room.encrypted" => super::room::encrypted,
241        "m.secret.request"=> super::secret::request,
242        "m.secret.send" => super::secret::send,
243        #[cfg(feature = "unstable-msc4385")]
244        #[ruma_enum(alias = "m.secret.push")]
245        "io.element.msc4385.secret.push" => super::secret::push,
246        #[cfg(feature = "unstable-msc4471")]
247        #[ruma_enum(alias = "m.stream.subscribe")]
248        "org.matrix.msc4471.stream.subscribe" => super::stream::subscribe,
249        #[cfg(feature = "unstable-msc4471")]
250        #[ruma_enum(alias = "m.stream.cancel")]
251        "org.matrix.msc4471.stream.cancel" => super::stream::cancel,
252        #[cfg(feature = "unstable-msc4471")]
253        #[ruma_enum(alias = "m.stream.update")]
254        "org.matrix.msc4471.stream.update" => super::stream::update,
255    }
256}
257
258macro_rules! timeline_event_accessors {
259    (
260        $(
261            #[doc = $docs:literal]
262            pub fn $field:ident(&self) -> $ty:ty;
263        )*
264    ) => {
265        $(
266            #[doc = $docs]
267            pub fn $field(&self) -> $ty {
268                match self {
269                    Self::MessageLike(ev) => ev.$field(),
270                    Self::State(ev) => ev.$field(),
271                }
272            }
273        )*
274    };
275}
276
277/// Any room event.
278#[allow(clippy::large_enum_variant, clippy::exhaustive_enums)]
279#[derive(Clone, Debug, EventEnumFromEvent)]
280pub enum AnyTimelineEvent {
281    /// Any message-like event.
282    MessageLike(AnyMessageLikeEvent),
283
284    /// Any state event.
285    State(AnyStateEvent),
286}
287
288impl AnyTimelineEvent {
289    timeline_event_accessors! {
290        /// Returns this event's `origin_server_ts` field.
291        pub fn origin_server_ts(&self) -> MilliSecondsSinceUnixEpoch;
292
293        /// Returns this event's `room_id` field.
294        pub fn room_id(&self) -> &RoomId;
295
296        /// Returns this event's `event_id` field.
297        pub fn event_id(&self) -> &EventId;
298
299        /// Returns this event's `sender` field.
300        pub fn sender(&self) -> &UserId;
301
302        /// Returns this event's `transaction_id` from inside `unsigned`, if there is one.
303        pub fn transaction_id(&self) -> Option<&TransactionId>;
304
305        /// Returns whether this event is in its redacted form or not.
306        pub fn is_redacted(&self) -> bool;
307    }
308
309    /// Returns this event's `type`.
310    pub fn event_type(&self) -> TimelineEventType {
311        match self {
312            Self::MessageLike(e) => e.event_type().into(),
313            Self::State(e) => e.event_type().into(),
314        }
315    }
316}
317
318/// Any sync room event.
319///
320/// Sync room events are room event without a `room_id`, as returned in `/sync` responses.
321#[allow(clippy::large_enum_variant, clippy::exhaustive_enums)]
322#[derive(Clone, Debug, EventEnumFromEvent)]
323pub enum AnySyncTimelineEvent {
324    /// Any sync message-like event.
325    MessageLike(AnySyncMessageLikeEvent),
326
327    /// Any sync state event.
328    State(AnySyncStateEvent),
329}
330
331impl AnySyncTimelineEvent {
332    timeline_event_accessors! {
333        /// Returns this event's `origin_server_ts` field.
334        pub fn origin_server_ts(&self) -> MilliSecondsSinceUnixEpoch;
335
336        /// Returns this event's `event_id` field.
337        pub fn event_id(&self) -> &EventId;
338
339        /// Returns this event's `sender` field.
340        pub fn sender(&self) -> &UserId;
341
342        /// Returns this event's `transaction_id` from inside `unsigned`, if there is one.
343        pub fn transaction_id(&self) -> Option<&TransactionId>;
344
345        /// Returns whether this event is in its redacted form or not.
346        pub fn is_redacted(&self) -> bool;
347    }
348
349    /// Returns this event's `type`.
350    pub fn event_type(&self) -> TimelineEventType {
351        match self {
352            Self::MessageLike(e) => e.event_type().into(),
353            Self::State(e) => e.event_type().into(),
354        }
355    }
356
357    /// Converts `self` to an `AnyTimelineEvent` by adding the given a room ID.
358    pub fn into_full_event(self, room_id: OwnedRoomId) -> AnyTimelineEvent {
359        match self {
360            Self::MessageLike(ev) => AnyTimelineEvent::MessageLike(ev.into_full_event(room_id)),
361            Self::State(ev) => AnyTimelineEvent::State(ev.into_full_event(room_id)),
362        }
363    }
364}
365
366impl From<AnyTimelineEvent> for AnySyncTimelineEvent {
367    fn from(ev: AnyTimelineEvent) -> Self {
368        match ev {
369            AnyTimelineEvent::MessageLike(ev) => Self::MessageLike(ev.into()),
370            AnyTimelineEvent::State(ev) => Self::State(ev.into()),
371        }
372    }
373}
374
375/// Any room event content.
376#[allow(clippy::large_enum_variant, clippy::exhaustive_enums)]
377#[derive(Clone, Debug, EventEnumFromEvent, Serialize)]
378#[serde(untagged)]
379pub enum AnyTimelineEventContent {
380    /// Any message-like event content.
381    MessageLike(AnyMessageLikeEventContent),
382
383    /// Any state event content.
384    State(AnyStateEventContent),
385}
386
387impl AnyTimelineEventContent {
388    /// Get the event's type
389    pub fn event_type(&self) -> TimelineEventType {
390        match self {
391            Self::MessageLike(content) => {
392                <AnyMessageLikeEventContent as crate::MessageLikeEventContent>::event_type(content)
393                    .into()
394            }
395            Self::State(content) => {
396                <AnyStateEventContent as crate::StateEventContent>::event_type(content).into()
397            }
398        }
399    }
400}
401
402impl JsonCastable<AnyTimelineEventContent> for AnyMessageLikeEventContent {}
403impl JsonCastable<AnyTimelineEventContent> for AnyStateEventContent {}
404
405#[derive(Deserialize)]
406#[allow(clippy::exhaustive_structs)]
407struct EventDeHelper {
408    state_key: Option<de::IgnoredAny>,
409}
410
411impl<'de> Deserialize<'de> for AnyTimelineEvent {
412    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
413    where
414        D: de::Deserializer<'de>,
415    {
416        let json = Box::<RawJsonValue>::deserialize(deserializer)?;
417        let EventDeHelper { state_key } = from_raw_json_value(&json)?;
418
419        if state_key.is_some() {
420            Ok(AnyTimelineEvent::State(from_raw_json_value(&json)?))
421        } else {
422            Ok(AnyTimelineEvent::MessageLike(from_raw_json_value(&json)?))
423        }
424    }
425}
426
427impl<'de> Deserialize<'de> for AnySyncTimelineEvent {
428    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
429    where
430        D: de::Deserializer<'de>,
431    {
432        let json = Box::<RawJsonValue>::deserialize(deserializer)?;
433        let EventDeHelper { state_key } = from_raw_json_value(&json)?;
434
435        if state_key.is_some() {
436            Ok(AnySyncTimelineEvent::State(from_raw_json_value(&json)?))
437        } else {
438            Ok(AnySyncTimelineEvent::MessageLike(from_raw_json_value(&json)?))
439        }
440    }
441}
442
443impl AnyMessageLikeEventContent {
444    /// Get a copy of the event's `m.relates_to` field, if any.
445    ///
446    /// This is a helper function intended for encryption. There should not be a reason to access
447    /// `m.relates_to` without first destructuring an `AnyMessageLikeEventContent` otherwise.
448    pub fn relation(&self) -> Option<encrypted::Relation> {
449        #[cfg(feature = "unstable-msc3489")]
450        use super::beacon::BeaconEventContent;
451        use super::key::verification::{
452            accept::KeyVerificationAcceptEventContent, cancel::KeyVerificationCancelEventContent,
453            done::KeyVerificationDoneEventContent, key::KeyVerificationKeyEventContent,
454            mac::KeyVerificationMacEventContent, ready::KeyVerificationReadyEventContent,
455            start::KeyVerificationStartEventContent,
456        };
457        #[cfg(feature = "unstable-msc3381")]
458        use super::poll::{
459            end::PollEndEventContent, response::PollResponseEventContent,
460            unstable_end::UnstablePollEndEventContent,
461            unstable_response::UnstablePollResponseEventContent,
462        };
463
464        match self {
465            #[rustfmt::skip]
466            Self::KeyVerificationReady(KeyVerificationReadyEventContent { relates_to, .. })
467            | Self::KeyVerificationStart(KeyVerificationStartEventContent { relates_to, .. })
468            | Self::KeyVerificationCancel(KeyVerificationCancelEventContent { relates_to, .. })
469            | Self::KeyVerificationAccept(KeyVerificationAcceptEventContent { relates_to, .. })
470            | Self::KeyVerificationKey(KeyVerificationKeyEventContent { relates_to, .. })
471            | Self::KeyVerificationMac(KeyVerificationMacEventContent { relates_to, .. })
472            | Self::KeyVerificationDone(KeyVerificationDoneEventContent { relates_to, .. }) => {
473                Some(encrypted::Relation::Reference(relates_to.clone()))
474            },
475            Self::Reaction(ev) => Some(encrypted::Relation::Annotation(ev.relates_to.clone())),
476            Self::RoomEncrypted(ev) => ev.relates_to.clone(),
477            Self::RoomMessage(ev) => ev.relates_to.clone().map(Into::into),
478            #[cfg(feature = "unstable-msc1767")]
479            Self::Message(ev) => ev.relates_to.clone().map(Into::into),
480            #[cfg(feature = "unstable-msc3954")]
481            Self::Emote(ev) => ev.relates_to.clone().map(Into::into),
482            #[cfg(feature = "unstable-msc3956")]
483            Self::Encrypted(ev) => ev.relates_to.clone(),
484            #[cfg(feature = "unstable-msc3245")]
485            Self::Voice(ev) => ev.relates_to.clone().map(Into::into),
486            #[cfg(feature = "unstable-msc3927")]
487            Self::Audio(ev) => ev.relates_to.clone().map(Into::into),
488            #[cfg(feature = "unstable-msc3488")]
489            Self::Location(ev) => ev.relates_to.clone().map(Into::into),
490            #[cfg(feature = "unstable-msc3551")]
491            Self::File(ev) => ev.relates_to.clone().map(Into::into),
492            #[cfg(feature = "unstable-msc3552")]
493            Self::Image(ev) => ev.relates_to.clone().map(Into::into),
494            #[cfg(feature = "unstable-msc3553")]
495            Self::Video(ev) => ev.relates_to.clone().map(Into::into),
496            #[cfg(feature = "unstable-msc3381")]
497            Self::PollResponse(PollResponseEventContent { relates_to, .. })
498            | Self::UnstablePollResponse(UnstablePollResponseEventContent { relates_to, .. })
499            | Self::PollEnd(PollEndEventContent { relates_to, .. })
500            | Self::UnstablePollEnd(UnstablePollEndEventContent { relates_to, .. }) => {
501                Some(encrypted::Relation::Reference(relates_to.clone()))
502            }
503            #[cfg(feature = "unstable-msc3489")]
504            Self::Beacon(BeaconEventContent { relates_to, .. }) => {
505                Some(encrypted::Relation::Reference(relates_to.clone()))
506            }
507            #[cfg(feature = "unstable-msc3381")]
508            Self::UnstablePollStart(UnstablePollStartEventContent::New(content)) => {
509                content.relates_to.clone().map(Into::into)
510            }
511            #[cfg(feature = "unstable-msc3381")]
512            Self::UnstablePollStart(UnstablePollStartEventContent::Replacement(content)) => {
513                Some(encrypted::Relation::Replacement(Replacement::new(
514                    content.relates_to.event_id.clone(),
515                )))
516            }
517            #[cfg(feature = "unstable-msc3381")]
518            Self::PollStart(PollStartEventContent { relates_to, .. }) => {
519                relates_to.clone().map(Into::into)
520            }
521            #[cfg(feature = "unstable-msc4075")]
522            Self::CallNotify(_) => None,
523            #[cfg(feature = "unstable-msc4075")]
524            Self::RtcNotification(ev) => ev.relates_to.clone().map(encrypted::Relation::Reference),
525            #[cfg(feature = "unstable-msc4310")]
526            Self::RtcDecline(ev) => Some(encrypted::Relation::Reference(ev.relates_to.clone())),
527            Self::CallSdpStreamMetadataChanged(_)
528            | Self::CallNegotiate(_)
529            | Self::CallReject(_)
530            | Self::CallSelectAnswer(_)
531            | Self::CallAnswer(_)
532            | Self::CallInvite(_)
533            | Self::CallHangup(_)
534            | Self::CallCandidates(_)
535            | Self::RoomRedaction(_)
536            | Self::Sticker(_)
537            | Self::_Custom { .. } => None,
538        }
539    }
540}
ruma_events/enums.rs

ruma_events/
enums.rs
