wl_surface: add jay_sync_file_surface extension

src/wl_usr/usr_ifs.rs

@@ -7,6 +7,8 @@ pub mod usr_jay_render_ctx;
 pub mod usr_jay_screencast;
 pub mod usr_jay_select_toplevel;
 pub mod usr_jay_select_workspace;
+pub mod usr_jay_sync_file_release;
+pub mod usr_jay_sync_file_surface;
 pub mod usr_jay_toplevel;
 pub mod usr_jay_workspace;
 pub mod usr_jay_workspace_watcher;

src/wl_usr/usr_ifs/usr_jay_compositor.rs

@@ -12,8 +12,9 @@ use {
                 usr_jay_screencast::UsrJayScreencast,
                 usr_jay_select_toplevel::UsrJaySelectToplevel,
                 usr_jay_select_workspace::UsrJaySelectWorkspace,
+                usr_jay_sync_file_surface::UsrJaySyncFileSurface,
                 usr_jay_workspace_watcher::UsrJayWorkspaceWatcher, usr_wl_output::UsrWlOutput,
-                usr_wl_seat::UsrWlSeat,
+                usr_wl_seat::UsrWlSeat, usr_wl_surface::UsrWlSurface,
             },
             usr_object::UsrObject,
         },
@@ -187,6 +188,22 @@ impl UsrJayCompositor {
         self.con.add_object(obj.clone());
         obj
     }
+
+    #[expect(dead_code)]
+    pub fn get_sync_file_surface(&self, surface: &UsrWlSurface) -> Rc<UsrJaySyncFileSurface> {
+        let obj = Rc::new(UsrJaySyncFileSurface {
+            id: self.con.id(),
+            con: self.con.clone(),
+            version: self.version,
+        });
+        self.con.request(GetSyncFileSurface {
+            self_id: self.id,
+            id: obj.id,
+            surface: surface.id,
+        });
+        self.con.add_object(obj.clone());
+        obj
+    }
 }
 
 impl JayCompositorEventHandler for UsrJayCompositor {

src/wl_usr/usr_ifs/usr_jay_sync_file_release.rs

@@ -0,0 +1,60 @@
+use {
+    crate::{
+        gfx_api::SyncFile,
+        object::Version,
+        utils::clonecell::CloneCell,
+        wire::{JaySyncFileReleaseId, jay_sync_file_release::*},
+        wl_usr::{UsrCon, usr_object::UsrObject},
+    },
+    std::{convert::Infallible, rc::Rc},
+    uapi::OwnedFd,
+};
+
+pub struct UsrJaySyncFileRelease {
+    pub id: JaySyncFileReleaseId,
+    pub con: Rc<UsrCon>,
+    pub owner: CloneCell<Option<Rc<dyn UsrJaySyncFileReleaseOwner>>>,
+    pub version: Version,
+}
+
+pub trait UsrJaySyncFileReleaseOwner {
+    fn release(&self, sync_file: Option<SyncFile>);
+}
+
+impl UsrJaySyncFileRelease {
+    fn release(&self, sf: Option<Rc<OwnedFd>>) {
+        if let Some(owner) = self.owner.get() {
+            owner.release(sf.map(SyncFile));
+        }
+        self.con.remove_obj(self);
+    }
+}
+
+impl JaySyncFileReleaseEventHandler for UsrJaySyncFileRelease {
+    type Error = Infallible;
+
+    fn release_immediate(&self, _ev: ReleaseImmediate, _slf: &Rc<Self>) -> Result<(), Self::Error> {
+        self.release(None);
+        Ok(())
+    }
+
+    fn release_async(&self, ev: ReleaseAsync, _slf: &Rc<Self>) -> Result<(), Self::Error> {
+        self.release(Some(ev.sync_file));
+        Ok(())
+    }
+}
+
+usr_object_base! {
+    self = UsrJaySyncFileRelease = JaySyncFileRelease;
+    version = self.version;
+}
+
+impl UsrObject for UsrJaySyncFileRelease {
+    fn destroy(&self) {
+        self.con.request(Destroy { self_id: self.id });
+    }
+
+    fn break_loops(&self) {
+        self.owner.take();
+    }
+}

src/wl_usr/usr_ifs/usr_jay_sync_file_surface.rs

@@ -0,0 +1,66 @@
+use {
+    crate::{
+        gfx_api::SyncFile,
+        object::Version,
+        wire::{JaySyncFileSurfaceId, jay_sync_file_surface::*},
+        wl_usr::{
+            UsrCon, usr_ifs::usr_jay_sync_file_release::UsrJaySyncFileRelease,
+            usr_object::UsrObject,
+        },
+    },
+    std::{convert::Infallible, rc::Rc},
+};
+
+pub struct UsrJaySyncFileSurface {
+    pub id: JaySyncFileSurfaceId,
+    pub con: Rc<UsrCon>,
+    pub version: Version,
+}
+
+impl UsrJaySyncFileSurface {
+    #[expect(dead_code)]
+    pub fn set_acquire(&self, sf: Option<&SyncFile>) {
+        match sf {
+            None => {
+                self.con.request(SetAcquireImmediate { self_id: self.id });
+            }
+            Some(sf) => {
+                self.con.request(SetAcquireAsync {
+                    self_id: self.id,
+                    sync_file: sf.0.clone(),
+                });
+            }
+        }
+    }
+
+    #[expect(dead_code)]
+    pub fn get_release(&self) -> Rc<UsrJaySyncFileRelease> {
+        let obj = Rc::new(UsrJaySyncFileRelease {
+            id: self.con.id(),
+            con: self.con.clone(),
+            owner: Default::default(),
+            version: self.version,
+        });
+        self.con.request(GetRelease {
+            self_id: self.id,
+            release: obj.id,
+        });
+        self.con.add_object(obj.clone());
+        obj
+    }
+}
+
+impl JaySyncFileSurfaceEventHandler for UsrJaySyncFileSurface {
+    type Error = Infallible;
+}
+
+usr_object_base! {
+    self = UsrJaySyncFileSurface = JaySyncFileSurface;
+    version = self.version;
+}
+
+impl UsrObject for UsrJaySyncFileSurface {
+    fn destroy(&self) {
+        self.con.request(Destroy { self_id: self.id });
+    }
+}