diff --git a/src/input/mod.rs b/src/input/mod.rs
index 8eb657ad..2dd59c03 100644
--- a/src/input/mod.rs
+++ b/src/input/mod.rs
@@ -198,6 +198,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let current_output = seat.active_output();
                     let shortcuts_inhibited = self
                         .common
@@ -512,6 +513,7 @@ impl State {
 
                 let mut shell = self.common.shell.write().unwrap();
                 if let Some(seat) = shell.seats.for_device(&event.device()).cloned() {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let current_output = seat.active_output();
 
                     let mut position = seat.get_pointer().unwrap().current_location().as_global();
@@ -718,6 +720,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let output = seat.active_output();
                     let geometry = output.geometry();
                     let position = geometry.loc.to_f64()
@@ -785,6 +788,7 @@ impl State {
 
                 let mut shell = self.common.shell.write().unwrap();
                 if let Some(seat) = shell.seats.for_device(&event.device()).cloned() {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     #[cfg(feature = "debug")]
                     if shell.seats.iter().position(|x| x == &seat).unwrap() == 0
                         && self.common.egui.active
@@ -994,6 +998,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     #[cfg(feature = "debug")]
                     if self
                         .common
@@ -1065,6 +1070,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     if event.fingers() >= 3 {
                         self.common.gesture_state = Some(GestureState::new(event.fingers()));
                     } else {
@@ -1091,6 +1097,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let mut activate_action: Option<SwipeAction> = None;
                     if let Some(ref mut gesture_state) = self.common.gesture_state {
                         let first_update = gesture_state.update(
@@ -1180,6 +1187,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     if let Some(ref gesture_state) = self.common.gesture_state {
                         match gesture_state.action {
                             Some(SwipeAction::NextWorkspace) | Some(SwipeAction::PrevWorkspace) => {
@@ -1225,6 +1233,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let serial = SERIAL_COUNTER.next_serial();
                     let pointer = seat.get_pointer().unwrap();
                     pointer.gesture_pinch_begin(
@@ -1247,6 +1256,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let pointer = seat.get_pointer().unwrap();
                     pointer.gesture_pinch_update(
                         self,
@@ -1269,6 +1279,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let serial = SERIAL_COUNTER.next_serial();
                     let pointer = seat.get_pointer().unwrap();
                     pointer.gesture_pinch_end(
@@ -1291,6 +1302,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let serial = SERIAL_COUNTER.next_serial();
                     let pointer = seat.get_pointer().unwrap();
                     pointer.gesture_hold_begin(
@@ -1313,6 +1325,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let serial = SERIAL_COUNTER.next_serial();
                     let pointer = seat.get_pointer().unwrap();
                     pointer.gesture_hold_end(
@@ -1328,6 +1341,7 @@ impl State {
             InputEvent::TouchDown { event, .. } => {
                 let mut shell = self.common.shell.write().unwrap();
                 if let Some(seat) = shell.seats.for_device(&event.device()).cloned() {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let Some(output) =
                         mapped_output_for_device(&self.common.config, &*shell, &event.device())
                             .cloned()
@@ -1364,6 +1378,7 @@ impl State {
             InputEvent::TouchMotion { event, .. } => {
                 let mut shell = self.common.shell.write().unwrap();
                 if let Some(seat) = shell.seats.for_device(&event.device()).cloned() {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let Some(output) =
                         mapped_output_for_device(&self.common.config, &*shell, &event.device())
                             .cloned()
@@ -1405,6 +1420,7 @@ impl State {
 
                 let maybe_seat = shell.seats.for_device(&event.device()).cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     std::mem::drop(shell);
                     let serial = SERIAL_COUNTER.next_serial();
                     let touch = seat.get_touch().unwrap();
@@ -1428,6 +1444,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let touch = seat.get_touch().unwrap();
                     touch.cancel(self);
                 }
@@ -1442,6 +1459,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let touch = seat.get_touch().unwrap();
                     touch.frame(self);
                 }
@@ -1449,6 +1467,7 @@ impl State {
             InputEvent::TabletToolAxis { event, .. } => {
                 let mut shell = self.common.shell.write().unwrap();
                 if let Some(seat) = shell.seats.for_device(&event.device()).cloned() {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let Some(output) =
                         mapped_output_for_device(&self.common.config, &shell, &event.device())
                             .cloned()
@@ -1516,6 +1535,7 @@ impl State {
             InputEvent::TabletToolProximity { event, .. } => {
                 let mut shell = self.common.shell.write().unwrap();
                 if let Some(seat) = shell.seats.for_device(&event.device()).cloned() {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     let Some(output) =
                         mapped_output_for_device(&self.common.config, &shell, &event.device())
                             .cloned()
@@ -1580,6 +1600,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     if let Some(tool) = seat.tablet_seat().get_tool(&event.tool()) {
                         match event.tip_state() {
                             TabletToolTipState::Down => {
@@ -1602,6 +1623,7 @@ impl State {
                     .for_device(&event.device())
                     .cloned();
                 if let Some(seat) = maybe_seat {
+                    self.common.idle_notifier_state.notify_activity(&seat);
                     if let Some(tool) = seat.tablet_seat().get_tool(&event.tool()) {
                         tool.button(
                             event.button(),
diff --git a/src/shell/mod.rs b/src/shell/mod.rs
index 3abf5532..035de883 100644
--- a/src/shell/mod.rs
+++ b/src/shell/mod.rs
@@ -15,8 +15,8 @@ use keyframe::{ease, functions::EaseInOutCubic};
 use smithay::{
     backend::input::TouchSlot,
     desktop::{
-        layer_map_for_output, space::SpaceElement, LayerSurface, PopupKind, WindowSurface,
-        WindowSurfaceType,
+        layer_map_for_output, space::SpaceElement, utils::surface_primary_scanout_output,
+        LayerSurface, PopupKind, WindowSurface, WindowSurfaceType,
     },
     input::{
         pointer::{Focus, GrabStartData as PointerGrabStartData},
@@ -1105,6 +1105,18 @@ impl Common {
         );
         self.popups.cleanup();
         self.toplevel_info_state.refresh(&self.workspace_state);
+        self.refresh_idle_inhibit();
+    }
+
+    pub fn refresh_idle_inhibit(&mut self) {
+        self.idle_inhibiting_surfaces.retain(|s| s.alive());
+
+        let is_inhibited = self.idle_inhibiting_surfaces.iter().any(|surface| {
+            with_states(surface, |states| {
+                surface_primary_scanout_output(surface, states).is_some()
+            })
+        });
+        self.idle_notifier_state.set_is_inhibited(is_inhibited);
     }
 
     pub fn on_commit(&mut self, surface: &WlSurface) {
diff --git a/src/state.rs b/src/state.rs
index 8ed9a22f..471582b3 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -65,6 +65,8 @@ use smithay::{
         compositor::{CompositorClientState, CompositorState},
         dmabuf::{DmabufFeedback, DmabufGlobal, DmabufState},
         fractional_scale::{with_fractional_scale, FractionalScaleManagerState},
+        idle_inhibit::IdleInhibitManagerState,
+        idle_notify::IdleNotifierState,
         input_method::InputMethodManagerState,
         keyboard_shortcuts_inhibit::KeyboardShortcutsInhibitState,
         output::OutputManagerState,
@@ -96,8 +98,11 @@ use smithay::{
 use time::UtcOffset;
 use tracing::error;
 
-use std::sync::{Arc, RwLock};
 use std::{cell::RefCell, ffi::OsString, time::Duration};
+use std::{
+    collections::HashSet,
+    sync::{Arc, RwLock},
+};
 use std::{collections::VecDeque, time::Instant};
 
 #[derive(RustEmbed)]
@@ -188,6 +193,9 @@ pub struct Common {
     pub screencopy_state: ScreencopyState,
     pub seat_state: SeatState<State>,
     pub session_lock_manager_state: SessionLockManagerState,
+    pub idle_notifier_state: IdleNotifierState<State>,
+    pub idle_inhibit_manager_state: IdleInhibitManagerState,
+    pub idle_inhibiting_surfaces: HashSet<WlSurface>,
     pub shm_state: ShmState,
     pub wl_drm_state: WlDrmState<Option<DrmNode>>,
     pub viewporter_state: ViewporterState,
@@ -415,6 +423,10 @@ impl State {
         TextInputManagerState::new::<Self>(&dh);
         VirtualKeyboardManagerState::new::<State, _>(&dh, client_should_see_privileged_protocols);
 
+        let idle_notifier_state = IdleNotifierState::<Self>::new(&dh, handle.clone());
+        let idle_inhibit_manager_state = IdleInhibitManagerState::new::<State>(&dh);
+        let idle_inhibiting_surfaces = HashSet::new();
+
         let data_control_state = config.static_conf.data_control_enabled.then(|| {
             DataControlState::new::<Self, _>(dh, Some(&primary_selection_state), |_| true)
         });
@@ -486,6 +498,9 @@ impl State {
                 data_device_state,
                 dmabuf_state,
                 fractional_scale_state,
+                idle_notifier_state,
+                idle_inhibit_manager_state,
+                idle_inhibiting_surfaces,
                 image_source_state,
                 screencopy_state,
                 shm_state,
diff --git a/src/wayland/handlers/idle_inhibit.rs b/src/wayland/handlers/idle_inhibit.rs
new file mode 100644
index 00000000..403b5d3e
--- /dev/null
+++ b/src/wayland/handlers/idle_inhibit.rs
@@ -0,0 +1,19 @@
+use smithay::{
+    delegate_idle_inhibit, reexports::wayland_server::protocol::wl_surface::WlSurface,
+    wayland::idle_inhibit::IdleInhibitHandler,
+};
+
+use crate::state::State;
+
+impl IdleInhibitHandler for State {
+    fn inhibit(&mut self, surface: WlSurface) {
+        self.common.idle_inhibiting_surfaces.insert(surface);
+        self.common.idle_notifier_state.set_is_inhibited(true);
+    }
+
+    fn uninhibit(&mut self, surface: WlSurface) {
+        self.common.idle_inhibiting_surfaces.remove(&surface);
+        self.common.refresh_idle_inhibit();
+    }
+}
+delegate_idle_inhibit!(State);
diff --git a/src/wayland/handlers/idle_notify.rs b/src/wayland/handlers/idle_notify.rs
new file mode 100644
index 00000000..f606f266
--- /dev/null
+++ b/src/wayland/handlers/idle_notify.rs
@@ -0,0 +1,12 @@
+use smithay::{delegate_idle_notify, wayland::idle_notify::IdleNotifierHandler};
+
+use crate::state::State;
+
+impl IdleNotifierHandler for State {
+    fn idle_notifier_state(
+        &mut self,
+    ) -> &mut smithay::wayland::idle_notify::IdleNotifierState<Self> {
+        &mut self.common.idle_notifier_state
+    }
+}
+delegate_idle_notify!(State);
diff --git a/src/wayland/handlers/mod.rs b/src/wayland/handlers/mod.rs
index a5c02584..6b9c7c2d 100644
--- a/src/wayland/handlers/mod.rs
+++ b/src/wayland/handlers/mod.rs
@@ -9,6 +9,8 @@ pub mod dmabuf;
 pub mod drm;
 pub mod drm_lease;
 pub mod fractional_scale;
+pub mod idle_inhibit;
+pub mod idle_notify;
 pub mod image_source;
 pub mod input_method;
 pub mod keyboard_shortcuts_inhibit;