139 lines
3.9 KiB
Rust
139 lines
3.9 KiB
Rust
use {
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crate::{
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client::{Client, ClientError},
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ifs::wl_surface::ext_session_lock_surface_v1::{
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ExtSessionLockSurfaceV1, ExtSessionLockSurfaceV1Error,
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},
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leaks::Tracker,
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object::{Object, Version},
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tree::NodeLocation,
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wire::{ExtSessionLockV1Id, ext_session_lock_v1::*},
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},
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std::{cell::Cell, rc::Rc},
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thiserror::Error,
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};
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pub struct ExtSessionLockV1 {
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pub id: ExtSessionLockV1Id,
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pub client: Rc<Client>,
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pub tracker: Tracker<Self>,
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pub did_lock: bool,
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pub awaiting_locked: Cell<bool>,
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pub finished: Cell<bool>,
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pub version: Version,
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}
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impl ExtSessionLockV1 {
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pub fn check_locked(&self) {
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if !self.awaiting_locked.get() {
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return;
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}
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for output in self.client.state.outputs.lock().values() {
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if !output.connector.connector.effectively_locked() {
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return;
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}
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}
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self.send_locked();
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self.awaiting_locked.set(false);
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}
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fn send_locked(&self) {
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self.client.event(Locked { self_id: self.id })
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}
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fn send_finished(&self) {
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self.client.event(Finished { self_id: self.id })
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}
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pub fn finish(&self) {
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self.send_finished();
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self.finished.set(true);
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}
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}
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impl ExtSessionLockV1RequestHandler for ExtSessionLockV1 {
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type Error = ExtSessionLockV1Error;
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fn destroy(&self, _req: Destroy, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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if !self.finished.get() {
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self.client.state.lock.lock.take();
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}
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self.client.remove_obj(self)?;
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Ok(())
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}
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fn get_lock_surface(&self, req: GetLockSurface, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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let output = self.client.lookup(req.output)?;
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let surface = self.client.lookup(req.surface)?;
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let new = Rc::new(ExtSessionLockSurfaceV1 {
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id: req.id,
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node_id: self.client.state.node_ids.next(),
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client: self.client.clone(),
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surface,
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tracker: Default::default(),
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serial: Default::default(),
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output: output.global.clone(),
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seat_state: Default::default(),
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version: self.version,
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});
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track!(new.client, new);
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new.install()?;
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self.client.add_client_obj(&new)?;
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if !self.finished.get()
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&& let Some(node) = output.global.node()
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{
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if node.lock_surface.is_some() {
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return Err(ExtSessionLockV1Error::OutputAlreadyLocked);
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}
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node.set_lock_surface(Some(new.clone()));
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let pos = node.global.pos.get();
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new.change_extents(pos);
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new.surface.set_output(&node, NodeLocation::Output(node.id));
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self.client.state.tree_changed();
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}
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Ok(())
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}
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fn unlock_and_destroy(
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&self,
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_req: UnlockAndDestroy,
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_slf: &Rc<Self>,
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) -> Result<(), Self::Error> {
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if !self.did_lock {
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return Err(ExtSessionLockV1Error::NeverLocked);
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}
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if !self.finished.get() {
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self.client.state.do_unlock();
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}
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self.client.remove_obj(self)?;
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Ok(())
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}
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}
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object_base! {
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self = ExtSessionLockV1;
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version = self.version;
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}
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impl Object for ExtSessionLockV1 {
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fn break_loops(&self) {
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if !self.finished.get() {
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self.client.state.lock.lock.take();
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}
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}
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}
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simple_add_obj!(ExtSessionLockV1);
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#[derive(Debug, Error)]
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pub enum ExtSessionLockV1Error {
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#[error(transparent)]
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ClientError(Box<ClientError>),
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#[error("The lock was not accepted")]
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NeverLocked,
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#[error("The output already has a lock surface attached")]
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OutputAlreadyLocked,
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#[error(transparent)]
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ExtSessionLockSurfaceV1Error(#[from] ExtSessionLockSurfaceV1Error),
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}
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efrom!(ExtSessionLockV1Error, ClientError);
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