jay-compositor 1.15.0

use crate::bugs;
use crate::bugs::Bugs;
use crate::client::Client;
use crate::client::LookupError;
use crate::configurable::ConfigurableExt;
use crate::cursor::KnownCursor;
use crate::fixed::Fixed;
use crate::ifs::ext_foreign_toplevel_list_v1::ExtForeignToplevelListV1;
use crate::ifs::wl_seat::NodeSeatState;
use crate::ifs::wl_seat::WlSeatGlobal;
use crate::ifs::wl_seat::tablet::TabletTool;
use crate::ifs::wl_surface::PendingState;
use crate::ifs::wl_surface::WlSurface;
use crate::ifs::wl_surface::WlSurfaceError;
use crate::ifs::wl_surface::icon_surface::jay_icon_surface_factory_v1::JayIconSurfaceFactoryV1;
use crate::ifs::wl_surface::xdg_surface::InitialCommitState;
use crate::ifs::wl_surface::xdg_surface::UpdateGeometryReason;
use crate::ifs::wl_surface::xdg_surface::XdgSurface;
use crate::ifs::wl_surface::xdg_surface::XdgSurfaceConfigureData;
use crate::ifs::wl_surface::xdg_surface::XdgSurfaceExt;
use crate::ifs::wl_surface::xdg_surface::XdgSurfaceTransactionOp;
use crate::ifs::wl_surface::xdg_surface::XdgToplevelConfigureData;
use crate::ifs::wl_surface::xdg_surface::xdg_toplevel::xdg_dialog_v1::XdgDialogV1;
use crate::ifs::wl_surface::xdg_surface::xdg_toplevel::xdg_toplevel_icon_v1_bridge::XdgToplevelIconBridge;
use crate::ifs::xdg_toplevel_drag_v1::XdgToplevelDragV1;
use crate::ifs::zwlr_foreign_toplevel_manager_v1::ZwlrForeignToplevelManagerV1;
use crate::leaks::Tracker;
use crate::object::BreakLoops;
use crate::object::ObjectDebugfs;
use crate::object::Version;
use crate::rect::Rect;
use crate::renderer::Renderer;
use crate::scale::Scale;
use crate::state::OutputEventListener;
use crate::state::State;
use crate::transactions::TransactionData;
use crate::transactions::Transactionable;
use crate::transactions::TransactionableExt;
use crate::tree::ContainerSplit;
use crate::tree::Direction;
use crate::tree::FindTreeResult;
use crate::tree::FindTreeUsecase;
use crate::tree::FoundNode;
use crate::tree::Node;
use crate::tree::NodeBase;
use crate::tree::NodeId;
use crate::tree::NodeLayerLink;
use crate::tree::NodeLocation;
use crate::tree::NodeVisitor;
use crate::tree::OutputNode;
use crate::tree::TileDragDestination;
use crate::tree::TileState;
use crate::tree::ToplevelData;
use crate::tree::ToplevelDataTransactionOp;
use crate::tree::ToplevelNode;
use crate::tree::ToplevelNodeBase;
use crate::tree::ToplevelNodeId;
use crate::tree::ToplevelType;
use crate::tree::TreeTimeline;
use crate::tree::TreeTimeline::LiveTL;
use crate::tree::TreeTimeline::RenderTL;
use crate::tree::WorkspaceEventListener;
use crate::tree::WorkspaceNode;
use crate::tree::WorkspaceType;
use crate::tree::default_tile_drag_destination;
use crate::utils::bhash::BHashMap;
use crate::utils::bitflags::BitflagsExt;
use crate::utils::clonecell::CloneCell;
use crate::utils::fuse::fuse_inode::FuseInodeWithKey;
use crate::utils::hash_map_ext::HashMapExt;
use crate::utils::numcell::NumCell;
use crate::wire::ObjectId;
use crate::wire::XdgToplevelId;
use crate::wire::xdg_toplevel::*;
use arrayvec::ArrayVec;
use jay_proc::GetLiveness;
use jay_proc::Object;
use std::cell::Cell;
use std::cell::RefCell;
use std::fmt::Debug;
use std::fmt::Formatter;
use std::mem;
use std::rc::Rc;
use std::rc::Weak;
use thiserror::Error;

pub mod xdg_dialog_v1;
mod xdg_toplevel_dfs_g_fuse;
pub mod xdg_toplevel_icon_manager_v1;
pub mod xdg_toplevel_icon_v1;
pub mod xdg_toplevel_icon_v1_bridge;
pub mod xdg_toplevel_session_v1;

const STATE_MAXIMIZED: u32 = 1;
const STATE_FULLSCREEN: u32 = 2;
#[expect(unused)]
const STATE_RESIZING: u32 = 3;
const STATE_ACTIVATED: u32 = 4;
const STATE_TILED_LEFT: u32 = 5;
const STATE_TILED_RIGHT: u32 = 6;
const STATE_TILED_TOP: u32 = 7;
const STATE_TILED_BOTTOM: u32 = 8;
pub const STATE_SUSPENDED: u32 = 9;
const STATE_CONSTRAINED_LEFT: u32 = 10;
const STATE_CONSTRAINED_RIGHT: u32 = 11;
const STATE_CONSTRAINED_TOP: u32 = 12;
const STATE_CONSTRAINED_BOTTOM: u32 = 13;

const fn state_bits(state: u32) -> u32 {
    1 << (state - 1)
}

#[expect(unused)]
const CAP_WINDOW_MENU: u32 = 1;
#[expect(unused)]
const CAP_MAXIMIZE: u32 = 2;
const CAP_FULLSCREEN: u32 = 3;
#[expect(unused)]
const CAP_MINIMIZE: u32 = 4;

pub const WM_CAPABILITIES_SINCE: Version = Version(5);
pub const SUSPENDED_SINCE: Version = Version(6);
pub const TILED_SINCE: Version = Version(2);
pub const CONSTRAINTS_SINCE: Version = Version(7);

const RESIZE_EDGE_TOP: u32 = 1;
const RESIZE_EDGE_BOTTOM: u32 = 2;
const RESIZE_EDGE_LEFT: u32 = 4;
const RESIZE_EDGE_RIGHT: u32 = 8;

#[derive(Copy, Clone, Eq, PartialEq, Debug)]
pub enum Decoration {
    #[expect(unused)]
    Client,
    Server,
}

#[derive(Debug)]
pub struct XdgToplevelToplevelData {
    pub tag: RefCell<String>,
}

#[derive(Object, GetLiveness)]
#[break_loops]
#[debugfs]
pub struct XdgToplevel {
    pub id: XdgToplevelId,
    pub state: Rc<State>,
    version: Version,
    pub xdg: Rc<XdgSurface>,
    pub node_id: ToplevelNodeId,
    parent: CloneCell<Option<Rc<XdgToplevel>>>,
    children: RefCell<BHashMap<XdgToplevelId, Rc<XdgToplevel>>>,
    states: NumCell<u32>,
    pub decoration: Cell<Decoration>,
    bugs: Cell<&'static Bugs>,
    pub tracker: Tracker<Self>,
    #[liveness]
    toplevel_data: ToplevelData,
    pub drag: CloneCell<Option<Rc<XdgToplevelDragV1>>>,
    is_mapped: Cell<bool>,
    dialog: CloneCell<Option<Rc<XdgDialogV1>>>,
    extents_set: Cell<bool>,
    pub data: Rc<XdgToplevelToplevelData>,
    committed: Cell<bool>,
    transaction_data: TransactionData<XdgToplevelTransactionOp>,
    allow_fixed_size: Cell<bool>,
    icon_bridge: XdgToplevelIconBridge,
    icon_surface_factory: CloneCell<Option<Rc<JayIconSurfaceFactoryV1>>>,
}

impl Debug for XdgToplevel {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("XdgToplevel").finish_non_exhaustive()
    }
}

impl XdgToplevel {
    pub fn new(id: XdgToplevelId, surface: &Rc<XdgSurface>, slf: &Weak<Self>) -> Self {
        let mut states = 0;
        if surface.base.version >= TILED_SINCE {
            states |= state_bits(STATE_TILED_LEFT);
            states |= state_bits(STATE_TILED_RIGHT);
            states |= state_bits(STATE_TILED_TOP);
            states |= state_bits(STATE_TILED_BOTTOM);
        } else {
            states |= state_bits(STATE_MAXIMIZED);
        }
        if surface.base.version >= CONSTRAINTS_SINCE {
            states |= state_bits(STATE_CONSTRAINED_LEFT);
            states |= state_bits(STATE_CONSTRAINED_RIGHT);
            states |= state_bits(STATE_CONSTRAINED_TOP);
            states |= state_bits(STATE_CONSTRAINED_BOTTOM);
        }
        let state = &surface.surface.state;
        let node_id = state.node_ids.next();
        let data = Rc::new(XdgToplevelToplevelData {
            tag: Default::default(),
        });
        let toplevel_data = ToplevelData::new(
            state,
            String::new(),
            Some(surface.surface.client.clone()),
            ToplevelType::XdgToplevel(data.clone()),
            node_id,
            slf,
        );
        toplevel_data
            .content_type
            .set(surface.surface.content_type.get());
        toplevel_data.content_size.set(surface.extents.get());
        Self {
            id,
            state: state.clone(),
            version: surface.version,
            xdg: surface.clone(),
            node_id,
            parent: Default::default(),
            children: RefCell::new(Default::default()),
            states: NumCell::new(states),
            decoration: Cell::new(Decoration::Server),
            bugs: Cell::new(&bugs::NONE),
            tracker: Default::default(),
            toplevel_data,
            drag: Default::default(),
            is_mapped: Cell::new(false),
            dialog: Default::default(),
            extents_set: Cell::new(false),
            data,
            committed: Default::default(),
            transaction_data: TransactionData::new(&state.tree),
            allow_fixed_size: Cell::new(true),
            icon_bridge: XdgToplevelIconBridge::new(&surface.surface.client, id),
            icon_surface_factory: Default::default(),
        }
    }

    pub fn send_to(self: &Rc<Self>, list: &ExtForeignToplevelListV1) {
        self.toplevel_data.send(self.clone(), list);
    }

    pub fn manager_send_to(self: &Rc<Self>, manager: &ZwlrForeignToplevelManagerV1) {
        self.toplevel_data.manager_send(self.clone(), manager);
    }

    fn send_close(&self) {
        self.xdg.surface.client.event(Close { self_id: self.id });
        // self.xdg.surface.client.flush();
    }

    fn send_configure(&self, width: i32, height: i32, mut state_bits: u32) {
        let mut states = ArrayVec::<u32, 24>::new();
        while state_bits != 0 {
            let ts = state_bits.trailing_zeros();
            states.push(ts + 1);
            state_bits &= !(1 << ts);
        }
        self.xdg.surface.client.event(Configure {
            self_id: self.id,
            width,
            height,
            states: &states,
        });
    }

    pub fn send_wm_capabilities(&self) {
        self.xdg.surface.client.event(WmCapabilities {
            self_id: self.id,
            capabilities: &[CAP_FULLSCREEN],
        });
    }

    fn mark_variable_size(&self) {
        self.allow_fixed_size.set(false);
        let d = &self.toplevel_data;
        d.min_width.take();
        d.max_width.take();
        d.min_height.take();
        d.max_height.take();
    }

    pub fn has_icon_factory(&self) -> bool {
        self.icon_surface_factory.is_some()
    }

    pub fn set_icon_factory(&self, factory: Option<&Rc<JayIconSurfaceFactoryV1>>) {
        self.icon_surface_factory.set(factory.cloned());
        if let Some(parent) = self.toplevel_data.parent.get() {
            parent.cnode_child_icon_factory_changed(self.node_id.into());
        }
    }
}

impl XdgToplevelRequestHandler for XdgToplevel {
    type Error = XdgToplevelError;

    fn destroy(&self, _req: Destroy, slf: &Rc<Self>) -> Result<(), Self::Error> {
        self.icon_bridge.set_buffers(None);
        self.toplevel_data.disown_session();
        slf.tl_destroy();
        self.xdg.unset_ext();
        {
            let mut children = self.children.borrow_mut();
            let parent = self.parent.get();
            let mut parent_children = match &parent {
                Some(p) => Some(p.children.borrow_mut()),
                _ => None,
            };
            for child in children.drain_values() {
                child.parent.set(parent.clone());
                if let Some(parent_children) = &mut parent_children {
                    parent_children.insert(child.id, child);
                }
            }
        }
        {
            if let Some(parent) = self.parent.take() {
                parent.children.borrow_mut().remove(&self.id);
            }
        }
        self.xdg.surface.client.remove_obj(self);
        self.xdg.surface.set_toplevel(None);
        Ok(())
    }

    fn set_parent(&self, req: SetParent, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        let mut parent = None;
        if req.parent.is_some() {
            parent = Some(self.xdg.surface.client.lookup(req.parent)?);
        }
        self.parent.set(parent);
        Ok(())
    }

    fn set_title(&self, req: SetTitle<'_>, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        self.toplevel_data.set_title(req.title);
        self.tl_title_changed();
        Ok(())
    }

    fn set_app_id(&self, req: SetAppId<'_>, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        self.toplevel_data.set_app_id(req.app_id);
        self.bugs.set(bugs::get_by_app_id(req.app_id));
        Ok(())
    }

    fn show_window_menu(&self, _req: ShowWindowMenu, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        Ok(())
    }

    fn move_(&self, _req: Move, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        Ok(())
    }

    fn resize(&self, _req: Resize, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        Ok(())
    }

    fn set_max_size(&self, req: SetMaxSize, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        if req.height < 0 || req.width < 0 {
            return Err(XdgToplevelError::NonNegative);
        }
        let width = (req.width != 0).then_some(req.width);
        let height = (req.height != 0).then_some(req.height);
        self.xdg.pending().max_size = Some((width, height));
        Ok(())
    }

    fn set_min_size(&self, req: SetMinSize, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        if req.height < 0 || req.width < 0 {
            return Err(XdgToplevelError::NonNegative);
        }
        let width = (req.width != 0).then_some(req.width);
        let height = (req.height != 0).then_some(req.height);
        self.xdg.pending().min_size = Some((width, height));
        Ok(())
    }

    fn set_maximized(&self, _req: SetMaximized, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        Ok(())
    }

    fn unset_maximized(&self, _req: UnsetMaximized, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        Ok(())
    }

    fn set_fullscreen(&self, req: SetFullscreen, slf: &Rc<Self>) -> Result<(), Self::Error> {
        let client = &self.xdg.surface.client;
        self.states.or_assign(state_bits(STATE_FULLSCREEN));
        'set_fullscreen: {
            let output = if req.output.is_some() {
                match client.lookup(req.output)?.global.node() {
                    Some(node) => node,
                    _ => {
                        log::error!("Output global has no node attached");
                        break 'set_fullscreen;
                    }
                }
            } else if let Some(ws) = self.xdg.workspace.get() {
                ws.node_state[LiveTL].output.get()
            } else {
                break 'set_fullscreen;
            };
            self.toplevel_data.set_fullscreen(
                &client.state,
                slf.clone(),
                &output.ensure_normal_workspace(),
            );
        }
        self.xdg.schedule_configure();
        self.mark_variable_size();
        Ok(())
    }

    fn unset_fullscreen(&self, _req: UnsetFullscreen, slf: &Rc<Self>) -> Result<(), Self::Error> {
        self.states.and_assign(!state_bits(STATE_FULLSCREEN));
        self.toplevel_data
            .unset_fullscreen(&self.state, slf.clone());
        self.xdg.schedule_configure();
        Ok(())
    }

    fn set_minimized(&self, _req: SetMinimized, _slf: &Rc<Self>) -> Result<(), Self::Error> {
        Ok(())
    }
}

impl XdgToplevel {
    fn map(
        self: &Rc<Self>,
        parent: Option<&XdgToplevel>,
        pos: Option<(&Rc<OutputNode>, i32, i32)>,
        initial: bool,
    ) {
        if let Some(session) = self.toplevel_data.session.get()
            && self
                .state
                .map_restore(self.clone(), &session, parent.is_some())
        {
            return;
        }
        if let Some(state) = self.state.initial_tile_state(&self.toplevel_data) {
            match state {
                TileState::Floating => {
                    let mut ws = None;
                    if let Some(parent) = parent {
                        ws = parent.xdg.workspace.get();
                    }
                    let ws = ws.unwrap_or_else(|| self.state.ensure_map_workspace(None));
                    self.map_floating(&ws, pos.map(|p| (p.1, p.2)), initial);
                }
                _ => self.map_tiled(),
            }
            return;
        }
        if let Some(ws) = self.state.get_map_workspace(None)
            && ws.ty == WorkspaceType::Overlay
        {
            self.map_floating(&ws, None, initial);
            return;
        }
        if let Some(p) = parent {
            self.map_child(p, pos, initial);
            return;
        }
        if self.toplevel_data.is_fixed_size_in_any_dimension() {
            let ws = self.state.ensure_map_workspace(None);
            self.map_floating(&ws, None, initial);
            return;
        }
        self.map_tiled();
    }

    fn map_floating(
        self: &Rc<Self>,
        workspace: &Rc<WorkspaceNode>,
        abs_pos: Option<(i32, i32)>,
        initial: bool,
    ) {
        let (width, height) = self.toplevel_data.float_size(workspace);
        self.state
            .map_floating(self.clone(), width, height, workspace, abs_pos, initial);
    }

    fn map_child(
        self: &Rc<Self>,
        parent: &XdgToplevel,
        pos: Option<(&Rc<OutputNode>, i32, i32)>,
        initial: bool,
    ) {
        if let Some((output, x, y)) = pos {
            let w = output.ensure_workspace();
            self.map_floating(&w, Some((x, y)), initial);
            return;
        }
        match parent.xdg.workspace.get() {
            Some(w) => self.map_floating(&w, None, initial),
            _ => self.map_tiled(),
        }
    }

    fn map_tiled(self: &Rc<Self>) {
        self.state.map_tiled(self.clone());
        let fullscreen = self.states.get().contains(state_bits(STATE_FULLSCREEN));
        if fullscreen && let Some(ws) = self.xdg.workspace.get() {
            self.toplevel_data
                .set_fullscreen(&self.state, self.clone(), &ws);
        }
    }

    pub fn prepare_toplevel_drag(&self) {
        if self.toplevel_data.parent.get().is_none() {
            return;
        }
        self.toplevel_data.detach_node(self);
        self.xdg.detach_node();
        self.tl_set_visible(self.state.root_visible());
    }

    pub fn after_toplevel_drag(self: &Rc<Self>, output: &Rc<OutputNode>, x: i32, y: i32) {
        assert!(self.toplevel_data.parent.is_none());
        if self.node_visible(RenderTL) {
            self.xdg.damage(RenderTL);
        }
        let extents = match self.xdg.geometry.get() {
            None => self.xdg.extents.get(),
            Some(g) => g,
        };
        self.toplevel_data.float_width.set(extents.width());
        self.toplevel_data.float_height.set(extents.height());
        self.clone().after_commit(Some((output, x, y)));
    }

    fn after_commit(self: &Rc<Self>, pos: Option<(&Rc<OutputNode>, i32, i32)>) {
        let initial = !self.is_mapped.get();
        if pos.is_some() {
            self.is_mapped.set(false);
        }
        let surface = &self.xdg.surface;
        let should_be_mapped = surface.buffer.is_some();
        if let Some(drag) = self.drag.get()
            && drag.is_ongoing()
        {
            if should_be_mapped {
                if !self.is_mapped.replace(true) {
                    if let Some(seat) = drag.source.data.seat.get() {
                        self.xdg
                            .set_output_without_workspace(&seat.get_cursor_output());
                    }
                    self.toplevel_data.broadcast(self.clone());
                    self.tl_set_visible(self.state.root_visible());
                    self.xdg.damage(LiveTL);
                }
                self.extents_changed();
            }
            return;
        }
        if self.is_mapped.replace(should_be_mapped) == should_be_mapped {
            return;
        }
        if should_be_mapped {
            self.map(self.parent.get().as_deref(), pos, initial);
            self.extents_changed();
            if let Some(workspace) = self.xdg.workspace.get() {
                surface.set_workspace(&workspace);
            }
            // {
            //     let seats = surface.client.state.globals.lock_seats();
            //     for seat in seats.values() {
            //         seat.focus_toplevel(self.clone());
            //     }
            // }
            self.state.tree_changed();
            self.toplevel_data.broadcast(self.clone());
        }
        self.toplevel_data
            .set_content_type(self.xdg.surface.content_type.get());
    }
}

impl BreakLoops for XdgToplevel {
    fn break_loops(self: Rc<Self>) {
        self.toplevel_data.disown_session();
        self.tl_destroy();
        self.parent.set(None);
        self.dialog.set(None);
        let _children = mem::take(&mut *self.children.borrow_mut());
        self.icon_surface_factory.take();
    }
}

impl ObjectDebugfs for XdgToplevel {
    fn object_debugfs(self: Rc<Self>, _client: &Rc<Client>) -> FuseInodeWithKey {
        self.debugfs()
    }
}

impl NodeBase for XdgToplevel {
    fn node_id(&self) -> NodeId {
        self.node_id.into()
    }

    fn node_seat_state(&self) -> &NodeSeatState {
        &self.toplevel_data.seat_state
    }

    fn node_visit(self: &Rc<Self>, visitor: &mut dyn NodeVisitor) {
        visitor.visit_toplevel(&self);
    }

    fn node_visit_children(&self, visitor: &mut dyn NodeVisitor) {
        visitor.visit_surface(&self.xdg.surface);
    }

    fn node_visible(&self, tl: TreeTimeline) -> bool {
        self.xdg.surface.visible[tl].get()
    }

    fn node_absolute_position(&self, tl: TreeTimeline) -> Rect {
        self.xdg.absolute_desired_extents[tl].get()
    }

    fn node_output(&self) -> Option<Rc<OutputNode>> {
        self.toplevel_data.output_opt(LiveTL)
    }

    fn node_workspace(&self) -> Option<Rc<WorkspaceNode>> {
        self.toplevel_data.workspace[LiveTL].get()
    }

    fn node_location(&self) -> Option<NodeLocation> {
        self.xdg.surface.node_location()
    }

    fn node_layer(&self) -> NodeLayerLink {
        self.toplevel_data.node_layer()
    }

    fn node_do_focus(self: &Rc<Self>, seat: &Rc<WlSeatGlobal>, _direction: Direction) {
        seat.focus_toplevel(self.clone());
    }

    fn node_active_changed(&self, active: bool) {
        self.toplevel_data.update_self_active(self, active);
    }

    fn node_find_tree_at(
        &self,
        x: i32,
        y: i32,
        tree: &mut Vec<FoundNode>,
        usecase: FindTreeUsecase,
    ) -> FindTreeResult {
        match usecase {
            FindTreeUsecase::None => {}
            FindTreeUsecase::SelectToplevel => return FindTreeResult::AcceptsInput,
            FindTreeUsecase::SelectToplevelOrPopup => return FindTreeResult::AcceptsInput,
            FindTreeUsecase::SelectNormalWorkspace => return FindTreeResult::Other,
        }
        self.xdg.find_tree_at(x, y, tree)
    }

    fn node_render(&self, renderer: &mut Renderer<'_>, x: i32, y: i32, bounds: Option<&Rect>) {
        renderer.render_xdg_toplevel(self, x, y, bounds);
    }

    fn node_client(&self) -> Option<Rc<Client>> {
        Some(self.xdg.surface.client.clone())
    }

    fn node_object_id(&self) -> Option<ObjectId> {
        Some(self.id.into())
    }

    fn node_toplevel(self: Rc<Self>) -> Option<Rc<dyn ToplevelNode>> {
        Some(self)
    }

    fn node_make_visible(self: &Rc<Self>) {
        self.toplevel_data.make_visible(&**self);
    }

    fn node_on_pointer_enter(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, _x: Fixed, _y: Fixed) {
        seat.enter_toplevel(self.clone());
    }

    fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
        // log::info!("xdg-toplevel focus");
        seat.pointer_cursor().set_known(KnownCursor::Default);
    }

    fn node_on_tablet_tool_enter(
        self: Rc<Self>,
        tool: &Rc<TabletTool>,
        _time_usec: u64,
        _x: Fixed,
        _y: Fixed,
    ) {
        tool.cursor().set_known(KnownCursor::Default);
    }

    fn node_into_toplevel(self: Rc<Self>) -> Option<Rc<dyn ToplevelNode>> {
        Some(self)
    }
}

impl ToplevelNodeBase for XdgToplevel {
    fn tl_data(&self) -> &ToplevelData {
        &self.toplevel_data
    }

    fn tl_set_active(&self, active: bool) {
        let changed = {
            let old = self.states.get();
            match active {
                true => self.states.or_assign(state_bits(STATE_ACTIVATED)),
                false => self.states.and_assign(!state_bits(STATE_ACTIVATED)),
            }
            old != self.states.get()
        };
        if changed {
            self.xdg.schedule_configure();
        }
    }

    fn tl_focus_child(&self) -> Option<Rc<dyn Node>> {
        Some(self.xdg.surface.clone())
    }

    fn tl_set_workspace_ext(&self, ws: &Rc<WorkspaceNode>) {
        self.xdg.set_workspace(ws);
    }

    fn tl_change_extents_impl(self: Rc<Self>, rect: &Rect) {
        self.extents_set.set(true);
        let nw = rect.width();
        let nh = rect.height();
        let de = self.xdg.absolute_desired_extents[LiveTL].get();
        self.xdg.set_absolute_desired_extents(rect);
        if de.width() != nw || de.height() != nh {
            self.xdg.schedule_configure();
            if self.toplevel_data.is_fullscreen[LiveTL].get() {
                self.xdg
                    .update_effective_geometry(UpdateGeometryReason::FullscreenLive);
            }
            // self.xdg.surface.client.flush();
        }
    }

    fn tl_close(self: Rc<Self>) {
        self.send_close();
    }

    fn tl_set_visible_impl(&self, visible: bool) {
        // log::info!("set_visible {}", visible);
        // if !visible {
        //     log::info!("\n{:?}", Backtrace::new());
        // }
        self.xdg.set_visible(visible);
        if self.xdg.base.version >= SUSPENDED_SINCE {
            if visible {
                self.states.and_assign(!state_bits(STATE_SUSPENDED));
            } else {
                self.states.or_assign(state_bits(STATE_SUSPENDED));
            }
            self.xdg.schedule_configure();
        }
    }

    fn tl_destroy_impl(self: &Rc<Self>) {
        if let Some(drag) = self.drag.take() {
            self.xdg.damage(RenderTL);
            drag.toplevel.take();
        }
        self.xdg.destroy_node();
    }

    // fn move_to_workspace(self: &Rc<Self>, workspace: &Rc<WorkspaceNode>) {
    //     let parent = match self.parent_node.get() {
    //         Some(p) => p,
    //         _ => return,
    //     };
    //     if self.fullscreen_data.is_fullscreen.get() {
    //         if workspace.fullscreen.get().is_some() {
    //             log::info!("Not moving fullscreen node to workspace {} because that workspace already contains a fullscreen node", workspace.name);
    //             return;
    //         }
    //         parent.node_remove_child2(self.deref(), workspace.visible());
    //         workspace.fullscreen.set(Some(self.clone()));
    //         self.state.tree_changed();
    //         return;
    //     }
    //     parent.node_remove_child2(self.deref(), workspace.visible());
    //     if self.toplevel_data.is_floating.get() {
    //         self.map_floating(workspace);
    //     } else {
    //         self.map_tiled()
    //     }
    // }

    fn tl_last_active_child(self: Rc<Self>) -> Rc<dyn ToplevelNode> {
        self
    }

    fn tl_surface(&self) -> Option<Rc<WlSurface>> {
        Some(self.xdg.surface.clone())
    }

    fn tl_restack_popups(&self) {
        self.xdg.restack_popups();
    }

    fn tl_admits_children(&self) -> bool {
        false
    }

    fn tl_tile_drag_destination(
        self: Rc<Self>,
        source: NodeId,
        split: Option<ContainerSplit>,
        abs_bounds: Rect,
        x: i32,
        y: i32,
    ) -> Option<TileDragDestination> {
        default_tile_drag_destination(self, source, split, abs_bounds, x, y)
    }

    fn tl_mark_fullscreen_ext(&self) {
        self.xdg
            .update_effective_geometry(UpdateGeometryReason::FullscreenLive);
    }

    fn tl_icon_surface_factory(&self) -> Option<Rc<JayIconSurfaceFactoryV1>> {
        self.icon_surface_factory.get()
    }

    fn tl_schedule_data_op(self: Rc<Self>, op: ToplevelDataTransactionOp) {
        self.add_transaction_op(XdgToplevelTransactionOp::ToplevelData(op));
    }
}

impl OutputEventListener for XdgToplevel {
    fn scale_changed(self: Rc<Self>, _on: &Rc<OutputNode>, _scale: Scale) {
        self.toplevel_data.scale_changed();
    }
}

impl WorkspaceEventListener for XdgToplevel {
    fn output_changed(
        self: Rc<Self>,
        _ws: &Rc<WorkspaceNode>,
        old: &Rc<OutputNode>,
        new: &Rc<OutputNode>,
    ) {
        self.toplevel_data.workspace_output_changed(old, new);
    }
}

impl XdgSurfaceExt for XdgToplevel {
    fn object_id(&self) -> ObjectId {
        self.id.into()
    }

    fn commit_requested(&self) {
        self.committed.set(true);
    }

    fn before_apply_commit(
        self: Rc<Self>,
        pending: &mut PendingState,
    ) -> Result<(), WlSurfaceError> {
        let data = &self.toplevel_data;
        let mut changed = false;
        macro_rules! map {
            ($pending:ident, $width:ident, $height:ident) => {
                if let Some((width, height)) = pending.xdg_surface.$pending.take() {
                    data.$width.set(width);
                    data.$height.set(height);
                    changed = true;
                }
            };
        }
        if self.allow_fixed_size.get() {
            map!(max_size, max_width, max_height);
            map!(min_size, min_width, min_height);
        }
        if changed {
            macro_rules! check {
                ($min:ident, $max:ident) => {
                    if let (Some(min), Some(max)) = (data.$min.get(), data.$max.get())
                        && min > max
                    {
                        return Err(XdgToplevelError::MinGreaterMax.into());
                    }
                };
            }
            check!(min_width, max_width);
            check!(min_height, max_height);
        }
        Ok(())
    }

    fn post_commit(self: Rc<Self>) {
        self.after_commit(None);
    }

    fn extents_changed(&self) {
        self.toplevel_data.content_size.set(self.xdg.extents.get());
        self.tl_extents_changed();
    }

    fn geometry_changed(&self) {
        self.xdg
            .surface
            .state
            .damage(self.node_absolute_position(RenderTL));
    }

    fn effective_geometry(&self, geometry: Rect, tl: TreeTimeline) -> Rect {
        if !self.toplevel_data.is_fullscreen[tl].get() {
            return geometry;
        }
        let output = self.xdg.absolute_desired_extents[tl].get();
        let x_overflow = output.width() - geometry.width();
        let y_overflow = output.height() - geometry.height();
        output.at_point(
            geometry.x1() - x_overflow / 2,
            geometry.y1() - y_overflow / 2,
        )
    }

    fn schedule_xdg_op(self: Rc<Self>, op: XdgSurfaceTransactionOp) {
        self.add_transaction_op(XdgToplevelTransactionOp::XdgOp(op));
    }

    fn configure_data(&self) -> XdgSurfaceConfigureData {
        if self.drag.is_some() {
            return XdgSurfaceConfigureData::Toplevel(None);
        }
        let initial = self.xdg.initial_commit_state.get() == InitialCommitState::Unmapped;
        let size = self.xdg.absolute_desired_extents[LiveTL].get().size2();
        let mut w = size.width();
        let mut h = size.height();
        if initial {
            (w, h) = (0, 0);
        } else {
            if self.extents_set.get() {
                w = w.max(1);
                h = h.max(1);
            }
            let bugs = self.bugs.get();
            macro_rules! apply {
                ($field:expr, $min:ident, $max:ident) => {
                    if $field != 0 {
                        if let Some(min) = bugs.$min {
                            $field = $field.max(min);
                        }
                        if bugs.respect_min_max_size {
                            if let Some(min) = self.toplevel_data.$min.get() {
                                $field = $field.max(min);
                            }
                            if let Some(max) = self.toplevel_data.$max.get() {
                                $field = $field.min(max);
                            }
                        }
                    }
                };
            }
            apply!(w, min_width, max_width);
            apply!(h, min_height, max_height);
        }
        XdgSurfaceConfigureData::Toplevel(Some(XdgToplevelConfigureData {
            w,
            h,
            state: self.states.get(),
        }))
    }

    fn send_configure(&self, data: XdgSurfaceConfigureData) {
        let XdgSurfaceConfigureData::Toplevel(Some(data)) = data else {
            return;
        };
        self.send_configure(data.w, data.h, data.state);
    }

    fn unmap(self: Rc<Self>) {
        if !self.is_mapped.replace(false) {
            return;
        }
        if let Some(drag) = self.drag.get()
            && drag.is_ongoing()
        {
            self.tl_set_visible(false);
            self.xdg.damage(LiveTL);
            return;
        }
        self.tl_destroy();
        {
            let new_parent = self.parent.get();
            let mut children = self.children.borrow_mut();
            for child in children.drain_values() {
                child.parent.set(new_parent.clone());
            }
        }
        self.state.tree_changed();
    }
}

#[derive(Debug, Error)]
pub enum XdgToplevelError {
    #[error(transparent)]
    Lookup(#[from] LookupError),
    #[error("width/height must be non-negative")]
    NonNegative,
    #[error("The minimum width/height must not be greater than the maximum width/height")]
    MinGreaterMax,
}

pub fn map_resize_edges(edge: u32) -> Option<ResizeEdges> {
    if not_matches!(edge, 0 | 1 | 2 | 4 | 5 | 6 | 8 | 9 | 10) {
        return None;
    }
    Some(ResizeEdges {
        top: edge.contains(RESIZE_EDGE_TOP),
        left: edge.contains(RESIZE_EDGE_LEFT),
        right: edge.contains(RESIZE_EDGE_RIGHT),
        bottom: edge.contains(RESIZE_EDGE_BOTTOM),
    })
}

#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub struct ResizeEdges {
    pub top: bool,
    pub left: bool,
    pub right: bool,
    pub bottom: bool,
}

pub enum XdgToplevelTransactionOp {
    ToplevelData(ToplevelDataTransactionOp),
    XdgOp(XdgSurfaceTransactionOp),
}

impl Transactionable for XdgToplevel {
    type T = XdgToplevelTransactionOp;

    fn data(&self) -> &TransactionData<Self::T> {
        &self.transaction_data
    }

    fn apply(self: &Rc<Self>, op: Self::T) {
        match op {
            XdgToplevelTransactionOp::ToplevelData(v) => {
                self.toplevel_data.run_op(v);
            }
            XdgToplevelTransactionOp::XdgOp(v) => {
                self.xdg.run_op(v);
            }
        }
    }
}