wayland.selection: Remove TypeId in favor of DataDeviceKind

src/wayland/selection/device.rs

@@ -1,6 +1,3 @@
-use std::any::Any;
-use std::any::TypeId;
-
 use wayland_protocols::wp::primary_selection::zv1::server::zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1 as PrimaryDevice;
 use wayland_protocols_wlr::data_control::v1::server::zwlr_data_control_device_v1::ZwlrDataControlDeviceV1;
 use wayland_server::backend::ObjectId;
@@ -18,28 +15,14 @@ use super::primary_selection::PrimaryDeviceUserData;
 use super::private::selection_dispatch;
 use super::wlr_data_control::DataControlDeviceUserData;
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub(super) enum DataDeviceKind {
     Core,
     Primary,
     WlrDataControl,
     ExtDataControl,
 }
 
-impl DataDeviceKind {
-    pub(super) fn from_device_type_id(id: TypeId) -> Option<Self> {
-        let kind = match id {
-            _ if id == TypeId::of::<WlDataDevice>() => Self::Core,
-            _ if id == TypeId::of::<PrimaryDevice>() => Self::Primary,
-            _ if id == TypeId::of::<ZwlrDataControlDeviceV1>() => Self::WlrDataControl,
-            _ if id == TypeId::of::<ExtDataControlDeviceV1>() => Self::ExtDataControl,
-            _ => return None,
-        };
-
-        Some(kind)
-    }
-}
-
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum DataControlDevice {
     Wlr(ZwlrDataControlDeviceV1),
@@ -123,13 +106,12 @@ impl SelectionDevice {
         selection_dispatch!(self; Self(device) => device.id())
     }
 
-    /// Get the [`TypeId`] of the underlying data device provider.
-    pub fn inner_type_id(&self) -> TypeId {
+    pub fn device_kind(&self) -> DataDeviceKind {
         match self {
-            Self::DataDevice(device) => device.type_id(),
-            Self::Primary(device) => device.type_id(),
-            Self::DataControl(DataControlDevice::Wlr(device)) => device.type_id(),
-            Self::DataControl(DataControlDevice::Ext(device)) => device.type_id(),
+            Self::DataDevice(_) => DataDeviceKind::Core,
+            Self::Primary(_) => DataDeviceKind::Primary,
+            Self::DataControl(DataControlDevice::Wlr(_)) => DataDeviceKind::WlrDataControl,
+            Self::DataControl(DataControlDevice::Ext(_)) => DataDeviceKind::ExtDataControl,
         }
     }
 

src/wayland/selection/offer.rs

@@ -1,4 +1,3 @@
-use std::any::TypeId;
 use std::os::unix::io::OwnedFd;
 use std::sync::Arc;
 
@@ -95,16 +94,14 @@ impl SelectionOffer {
         // NOTE: the types are tied to the `SelectionDevice`, so every
         // RTTI like checking is safe and reliable.
 
-        let type_id = device.inner_type_id();
+        let device_kind = device.device_kind();
         let data = Arc::new(OfferReplyData {
-            type_id,
+            device_kind,
             seat: device.seat(),
             source: data,
         });
         let backend = dh.backend_handle();
 
-        let device_kind = DataDeviceKind::from_device_type_id(type_id).unwrap();
-
         let interface = match device_kind {
             DataDeviceKind::Core => WlDataOffer::interface(),
             DataDeviceKind::Primary => PrimaryOffer::interface(),
@@ -134,7 +131,7 @@ impl SelectionOffer {
 }
 
 struct OfferReplyData<U: Clone + Send + Sync + 'static> {
-    type_id: TypeId,
+    device_kind: DataDeviceKind,
     source: OfferReplySource<U>,
     seat: WlSeat,
 }
@@ -151,12 +148,11 @@ where
         msg: Message<ObjectId, OwnedFd>,
     ) -> Option<Arc<dyn ObjectData<D>>> {
         let dh = DisplayHandle::from(dh.clone());
-        let type_id = self.type_id;
 
         // NOTE: we can't parse message more than once, since it expects the `OwnedFd` which
         // we can't clone. To achieve that, we use RTTI passed along the selection data, to
         // make the parsing work only once.
-        let (mime_type, fd, object_name) = match DataDeviceKind::from_device_type_id(type_id)? {
+        let (mime_type, fd, object_name) = match self.device_kind {
             DataDeviceKind::Core => {
                 if let Ok((_resource, DataOfferRequest::Receive { mime_type, fd })) =
                     WlDataOffer::parse_request(&dh, msg)