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wry/src/client/objects.rs
2024-05-08 16:16:38 +02:00

230 lines
8.7 KiB
Rust

use {
crate::{
client::{Client, ClientError},
ifs::{
ipc::{
wl_data_source::WlDataSource, zwlr_data_control_source_v1::ZwlrDataControlSourceV1,
zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1,
},
jay_output::JayOutput,
jay_screencast::JayScreencast,
jay_toplevel::JayToplevel,
jay_workspace::JayWorkspace,
wl_buffer::WlBuffer,
wl_display::WlDisplay,
wl_output::WlOutput,
wl_region::WlRegion,
wl_registry::WlRegistry,
wl_seat::{tablet::zwp_tablet_tool_v2::ZwpTabletToolV2, wl_pointer::WlPointer, WlSeat},
wl_surface::{
xdg_surface::{xdg_popup::XdgPopup, xdg_toplevel::XdgToplevel, XdgSurface},
WlSurface,
},
wp_drm_lease_connector_v1::WpDrmLeaseConnectorV1,
wp_linux_drm_syncobj_timeline_v1::WpLinuxDrmSyncobjTimelineV1,
xdg_positioner::XdgPositioner,
xdg_wm_base::XdgWmBase,
},
object::{Object, ObjectId},
utils::{
clonecell::CloneCell,
copyhashmap::{CopyHashMap, Locked},
},
wire::{
JayOutputId, JayScreencastId, JayToplevelId, JayWorkspaceId, WlBufferId,
WlDataSourceId, WlOutputId, WlPointerId, WlRegionId, WlRegistryId, WlSeatId,
WlSurfaceId, WpDrmLeaseConnectorV1Id, WpLinuxDrmSyncobjTimelineV1Id, XdgPopupId,
XdgPositionerId, XdgSurfaceId, XdgToplevelId, XdgWmBaseId, ZwlrDataControlSourceV1Id,
ZwpPrimarySelectionSourceV1Id, ZwpTabletToolV2Id,
},
},
std::{cell::RefCell, mem, rc::Rc},
};
pub struct Objects {
pub display: CloneCell<Option<Rc<WlDisplay>>>,
registry: CopyHashMap<ObjectId, Rc<dyn Object>>,
pub registries: CopyHashMap<WlRegistryId, Rc<WlRegistry>>,
pub outputs: CopyHashMap<WlOutputId, Rc<WlOutput>>,
pub surfaces: CopyHashMap<WlSurfaceId, Rc<WlSurface>>,
pub xdg_surfaces: CopyHashMap<XdgSurfaceId, Rc<XdgSurface>>,
pub xdg_toplevel: CopyHashMap<XdgToplevelId, Rc<XdgToplevel>>,
pub wl_data_source: CopyHashMap<WlDataSourceId, Rc<WlDataSource>>,
pub zwp_primary_selection_source:
CopyHashMap<ZwpPrimarySelectionSourceV1Id, Rc<ZwpPrimarySelectionSourceV1>>,
pub xdg_positioners: CopyHashMap<XdgPositionerId, Rc<XdgPositioner>>,
pub regions: CopyHashMap<WlRegionId, Rc<WlRegion>>,
pub buffers: CopyHashMap<WlBufferId, Rc<WlBuffer>>,
pub jay_outputs: CopyHashMap<JayOutputId, Rc<JayOutput>>,
pub jay_workspaces: CopyHashMap<JayWorkspaceId, Rc<JayWorkspace>>,
pub pointers: CopyHashMap<WlPointerId, Rc<WlPointer>>,
pub xdg_wm_bases: CopyHashMap<XdgWmBaseId, Rc<XdgWmBase>>,
pub seats: CopyHashMap<WlSeatId, Rc<WlSeat>>,
pub screencasts: CopyHashMap<JayScreencastId, Rc<JayScreencast>>,
pub timelines: CopyHashMap<WpLinuxDrmSyncobjTimelineV1Id, Rc<WpLinuxDrmSyncobjTimelineV1>>,
pub zwlr_data_sources: CopyHashMap<ZwlrDataControlSourceV1Id, Rc<ZwlrDataControlSourceV1>>,
pub jay_toplevels: CopyHashMap<JayToplevelId, Rc<JayToplevel>>,
pub drm_lease_outputs: CopyHashMap<WpDrmLeaseConnectorV1Id, Rc<WpDrmLeaseConnectorV1>>,
pub tablet_tools: CopyHashMap<ZwpTabletToolV2Id, Rc<ZwpTabletToolV2>>,
pub xdg_popups: CopyHashMap<XdgPopupId, Rc<XdgPopup>>,
ids: RefCell<Vec<usize>>,
}
pub const MIN_SERVER_ID: u32 = 0xff000000;
const SEG_SIZE: usize = 8 * mem::size_of::<usize>();
impl Objects {
pub fn new() -> Self {
Self {
display: CloneCell::new(None),
registry: Default::default(),
registries: Default::default(),
outputs: Default::default(),
surfaces: Default::default(),
xdg_surfaces: Default::default(),
xdg_toplevel: Default::default(),
wl_data_source: Default::default(),
zwp_primary_selection_source: Default::default(),
xdg_positioners: Default::default(),
regions: Default::default(),
buffers: Default::default(),
jay_outputs: Default::default(),
jay_workspaces: Default::default(),
pointers: Default::default(),
xdg_wm_bases: Default::default(),
seats: Default::default(),
screencasts: Default::default(),
timelines: Default::default(),
zwlr_data_sources: Default::default(),
jay_toplevels: Default::default(),
drm_lease_outputs: Default::default(),
tablet_tools: Default::default(),
xdg_popups: Default::default(),
ids: RefCell::new(vec![]),
}
}
pub fn destroy(&self) {
for surface in self.surfaces.lock().values() {
if let Some(tl) = surface.get_toplevel() {
tl.tl_destroy();
}
}
for obj in self.registry.lock().values_mut() {
obj.break_loops();
}
self.display.set(None);
self.registry.clear();
self.registries.clear();
self.outputs.clear();
self.surfaces.clear();
self.xdg_surfaces.clear();
self.xdg_toplevel.clear();
self.wl_data_source.clear();
self.zwp_primary_selection_source.clear();
self.xdg_positioners.clear();
self.regions.clear();
self.buffers.clear();
self.jay_outputs.clear();
self.jay_workspaces.clear();
self.xdg_wm_bases.clear();
self.seats.clear();
self.pointers.clear();
self.screencasts.clear();
self.timelines.clear();
self.zwlr_data_sources.clear();
self.jay_toplevels.clear();
self.drm_lease_outputs.clear();
self.tablet_tools.clear();
self.xdg_popups.clear();
}
pub fn id<T>(&self, client_data: &Client) -> Result<T, ClientError>
where
ObjectId: Into<T>,
{
const MAX_ID_OFFSET: u32 = u32::MAX - MIN_SERVER_ID;
let offset = self.id_offset();
if offset > MAX_ID_OFFSET {
log::error!(
"Client {} caused the server to allocate more than 0x{:x} ids",
client_data.id,
MAX_ID_OFFSET + 1
);
return Err(ClientError::TooManyIds);
}
Ok(ObjectId::from_raw(MIN_SERVER_ID + offset).into())
}
pub fn get_obj(&self, id: ObjectId) -> Result<Rc<dyn Object>, ClientError> {
match self.registry.get(&id) {
Some(o) => Ok(o),
_ => Err(ClientError::UnknownId),
}
}
pub fn add_server_object(&self, obj: Rc<dyn Object>) {
let id = obj.id();
assert!(id.raw() >= MIN_SERVER_ID);
assert!(!self.registry.contains(&id));
self.registry.set(id, obj.clone());
}
pub fn add_client_object(&self, obj: Rc<dyn Object>) -> Result<(), ClientError> {
let id = obj.id();
let res = (|| {
if id.raw() == 0 || id.raw() >= MIN_SERVER_ID {
return Err(ClientError::ClientIdOutOfBounds);
}
if self.registry.contains(&id) {
return Err(ClientError::IdAlreadyInUse);
}
self.registry.set(id, obj.clone());
Ok(())
})();
if let Err(e) = res {
return Err(ClientError::AddObjectError(id, Box::new(e)));
}
Ok(())
}
pub fn remove_obj(&self, client_data: &Rc<Client>, id: ObjectId) -> Result<(), ClientError> {
let _obj = match self.registry.remove(&id) {
Some(o) => o,
_ => return Err(ClientError::UnknownId),
};
let mut send_delete = true;
if id.raw() >= MIN_SERVER_ID {
let offset = (id.raw() - MIN_SERVER_ID) as usize;
let pos = offset / SEG_SIZE;
let seg_offset = offset % SEG_SIZE;
let mut ids = self.ids.borrow_mut();
if ids.len() <= pos {
return Err(ClientError::ServerIdOutOfBounds);
}
ids[pos] |= 1 << seg_offset;
send_delete = client_data.symmetric_delete.get();
}
if send_delete {
client_data.display()?.send_delete_id(id);
}
Ok(())
}
pub fn registries(&self) -> Locked<WlRegistryId, Rc<WlRegistry>> {
self.registries.lock()
}
fn id_offset(&self) -> u32 {
let mut ids = self.ids.borrow_mut();
for (pos, seg) in ids.iter_mut().enumerate() {
if *seg != 0 {
let offset = seg.trailing_zeros();
*seg &= !(1 << offset);
return (pos * SEG_SIZE) as u32 + offset;
}
}
ids.push(!1);
((ids.len() - 1) * SEG_SIZE) as u32
}
}