Extract utils::is_mapped()

src/handlers/compositor.rs

@@ -1,7 +1,7 @@
 use std::collections::hash_map::Entry;
 
 use niri_ipc::PositionChange;
-use smithay::backend::renderer::utils::{on_commit_buffer_handler, with_renderer_surface_state};
+use smithay::backend::renderer::utils::on_commit_buffer_handler;
 use smithay::input::pointer::{CursorImageStatus, CursorImageSurfaceData};
 use smithay::reexports::calloop::Interest;
 use smithay::reexports::wayland_server::protocol::wl_buffer;
@@ -22,8 +22,8 @@ use super::xdg_shell::add_mapped_toplevel_pre_commit_hook;
 use crate::handlers::XDG_ACTIVATION_TOKEN_TIMEOUT;
 use crate::layout::{ActivateWindow, AddWindowTarget};
 use crate::niri::{ClientState, State};
-use crate::utils::send_scale_transform;
 use crate::utils::transaction::Transaction;
+use crate::utils::{is_mapped, send_scale_transform};
 use crate::window::{InitialConfigureState, Mapped, ResolvedWindowRules, Unmapped};
 
 impl CompositorHandler for State {
@@ -78,14 +78,7 @@ impl CompositorHandler for State {
         if surface == &root_surface {
             // This is a root surface commit. It might have mapped a previously-unmapped toplevel.
             if let Entry::Occupied(entry) = self.niri.unmapped_windows.entry(surface.clone()) {
-                let is_mapped =
-                    with_renderer_surface_state(surface, |state| state.buffer().is_some())
-                        .unwrap_or_else(|| {
-                            error!("no renderer surface state even though we use commit handler");
-                            false
-                        });
-
-                if is_mapped {
+                if is_mapped(surface) {
                     // The toplevel got mapped.
                     let Unmapped {
                         window,
@@ -231,12 +224,7 @@ impl CompositorHandler for State {
                 let id = mapped.id();
 
                 // This is a commit of a previously-mapped toplevel.
-                let is_mapped =
-                    with_renderer_surface_state(surface, |state| state.buffer().is_some())
-                        .unwrap_or_else(|| {
-                            error!("no renderer surface state even though we use commit handler");
-                            false
-                        });
+                let is_mapped = is_mapped(surface);
 
                 // Must start the close animation before window.on_commit().
                 let transaction = Transaction::new();

src/handlers/layer_shell.rs

@@ -1,4 +1,3 @@
-use smithay::backend::renderer::utils::with_renderer_surface_state;
 use smithay::delegate_layer_shell;
 use smithay::desktop::{layer_map_for_output, LayerSurface, PopupKind, WindowSurfaceType};
 use smithay::output::Output;
@@ -13,7 +12,7 @@ use smithay::wayland::shell::xdg::PopupSurface;
 
 use crate::layer::{MappedLayer, ResolvedLayerRules};
 use crate::niri::State;
-use crate::utils::send_scale_transform;
+use crate::utils::{is_mapped, send_scale_transform};
 
 impl WlrLayerShellHandler for State {
     fn shell_state(&mut self) -> &mut WlrLayerShellState {
@@ -120,14 +119,7 @@ impl State {
                 .unwrap();
 
             if initial_configure_sent {
-                let is_mapped =
-                    with_renderer_surface_state(surface, |state| state.buffer().is_some())
-                        .unwrap_or_else(|| {
-                            error!("no renderer surface state even though we use commit handler");
-                            false
-                        });
-
-                if is_mapped {
+                if is_mapped(surface) {
                     let was_unmapped = self.niri.unmapped_layer_surfaces.remove(surface);
 
                     // Resolve rules for newly mapped layer surfaces.

src/utils/mod.rs

@@ -12,6 +12,7 @@ use bitflags::bitflags;
 use directories::UserDirs;
 use git_version::git_version;
 use niri_config::{Config, OutputName};
+use smithay::backend::renderer::utils::with_renderer_surface_state;
 use smithay::input::pointer::CursorIcon;
 use smithay::output::{self, Output};
 use smithay::reexports::rustix::time::{clock_gettime, ClockId};
@@ -181,6 +182,11 @@ pub fn ipc_transform_to_smithay(transform: niri_ipc::Transform) -> Transform {
     }
 }
 
+pub fn is_mapped(surface: &WlSurface) -> bool {
+    // None if the surface hadn't committed yet.
+    with_renderer_surface_state(surface, |state| state.buffer().is_some()).unwrap_or(false)
+}
+
 pub fn send_scale_transform(
     surface: &WlSurface,
     data: &SurfaceData,