ffi: expose pin_event and unpin_event, also the currently pinned …

…event ids in `RoomInfo`

bindings/matrix-sdk-ffi/src/room_info.rs

@@ -53,6 +53,8 @@ pub struct RoomInfo {
     /// Events causing mentions/highlights for the user, according to their
     /// notification settings.
     num_unread_mentions: u64,
+    /// The currently pinned event ids
+    pinned_event_ids: Vec<String>,
 }
 
 impl RoomInfo {
@@ -64,6 +66,7 @@ impl RoomInfo {
         for (id, level) in power_levels_map.iter() {
             user_power_levels.insert(id.to_string(), *level);
         }
+        let pinned_event_ids = room.pinned_events().iter().map(|id| id.to_string()).collect();
 
         Ok(Self {
             id: room.room_id().to_string(),
@@ -109,6 +112,7 @@ impl RoomInfo {
             num_unread_messages: room.num_unread_messages(),
             num_unread_notifications: room.num_unread_notifications(),
             num_unread_mentions: room.num_unread_mentions(),
+            pinned_event_ids,
         })
     }
 }

bindings/matrix-sdk-ffi/src/timeline/mod.rs

@@ -651,6 +651,26 @@ impl Timeline {
             )),
         }
     }
+
+    /// Adds a new pinned event by sending an updated `m.room.pinned_events`
+    /// event containing the new event id.
+    ///
+    /// Returns `true` if we sent the request, `false` if the event was already
+    /// pinned.
+    async fn pin_event(&self, event_id: String) -> Result<bool, ClientError> {
+        let event_id = EventId::parse(event_id).map_err(ClientError::from)?;
+        self.inner.pin_event(&event_id).await.map_err(ClientError::from)
+    }
+
+    /// Adds a new pinned event by sending an updated `m.room.pinned_events`
+    /// event without the event id we want to remove.
+    ///
+    /// Returns `true` if we sent the request, `false` if the event wasn't
+    /// pinned
+    async fn unpin_event(&self, event_id: String) -> Result<bool, ClientError> {
+        let event_id = EventId::parse(event_id).map_err(ClientError::from)?;
+        self.inner.unpin_event(&event_id).await.map_err(ClientError::from)
+    }
 }
 
 #[derive(uniffi::Object)]