89 lines
3.1 KiB
Rust
89 lines
3.1 KiB
Rust
//! Types for the [`m.room.history_visibility`] event.
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//!
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//! [`m.room.history_visibility`]: https://spec.matrix.org/v1.2/client-server-api/#mroomhistory_visibility
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use ruma_macros::EventContent;
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use serde::{Deserialize, Serialize};
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use crate::{events::EmptyStateKey, serde::StringEnum, PrivOwnedStr};
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/// The content of an `m.room.history_visibility` event.
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///
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/// This event controls whether a member of a room can see the events that happened in a room from
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/// before they joined.
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#[derive(Clone, Debug, Deserialize, Serialize, EventContent)]
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#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
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#[ruma_event(type = "m.room.history_visibility", kind = State, state_key_type = EmptyStateKey)]
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pub struct RoomHistoryVisibilityEventContent {
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/// Who can see the room history.
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#[ruma_event(skip_redaction)]
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pub history_visibility: HistoryVisibility,
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}
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impl RoomHistoryVisibilityEventContent {
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/// Creates a new `RoomHistoryVisibilityEventContent` with the given policy.
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pub fn new(history_visibility: HistoryVisibility) -> Self {
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Self { history_visibility }
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}
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}
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impl RoomHistoryVisibilityEvent {
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/// Obtain the history visibility, regardless of whether this event is redacted.
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pub fn history_visibility(&self) -> &HistoryVisibility {
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match self {
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Self::Original(ev) => &ev.content.history_visibility,
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Self::Redacted(ev) => &ev.content.history_visibility,
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}
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}
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}
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impl SyncRoomHistoryVisibilityEvent {
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/// Obtain the history visibility, regardless of whether this event is redacted.
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pub fn history_visibility(&self) -> &HistoryVisibility {
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match self {
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Self::Original(ev) => &ev.content.history_visibility,
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Self::Redacted(ev) => &ev.content.history_visibility,
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}
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}
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}
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/// Who can see a room's history.
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#[doc = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/src/doc/string_enum.md"))]
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#[derive(Clone, Debug, PartialEq, Eq, StringEnum)]
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#[ruma_enum(rename_all = "snake_case")]
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#[non_exhaustive]
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pub enum HistoryVisibility {
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/// Previous events are accessible to newly joined members from the point they were invited
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/// onwards.
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///
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/// Events stop being accessible when the member's state changes to something other than
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/// *invite* or *join*.
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Invited,
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/// Previous events are accessible to newly joined members from the point they joined the room
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/// onwards.
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/// Events stop being accessible when the member's state changes to something other than
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/// *join*.
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Joined,
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/// Previous events are always accessible to newly joined members.
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///
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/// All events in the room are accessible, even those sent when the member was not a part of
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/// the room.
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Shared,
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/// All events while this is the `HistoryVisibility` value may be shared by any participating
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/// homeserver with anyone, regardless of whether they have ever joined the room.
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WorldReadable,
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#[doc(hidden)]
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_Custom(PrivOwnedStr),
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}
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impl HistoryVisibility {
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/// Creates a string slice from this `HistoryVisibility`.
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pub fn as_str(&self) -> &str {
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self.as_ref()
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}
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}
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