160 lines
4.1 KiB
Rust
160 lines
4.1 KiB
Rust
mod types;
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use crate::client::{Client, DynEventFormatter};
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use crate::ifs::wl_data_source::{WlDataSource};
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use crate::ifs::wl_seat::WlSeatGlobal;
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use crate::object::{Interface, Object, ObjectId};
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use crate::utils::buffd::MsgParser;
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use crate::utils::clonecell::CloneCell;
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use std::ops::Deref;
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use std::rc::Rc;
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pub use types::*;
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const ACCEPT: u32 = 0;
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const RECEIVE: u32 = 1;
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const DESTROY: u32 = 2;
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const FINISH: u32 = 3;
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const SET_ACTIONS: u32 = 4;
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const OFFER: u32 = 0;
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const SOURCE_ACTIONS: u32 = 1;
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const ACTION: u32 = 2;
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#[allow(dead_code)]
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const INVALID_FINISH: u32 = 0;
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#[allow(dead_code)]
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const INVALID_ACTION_MASK: u32 = 1;
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#[allow(dead_code)]
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const INVALID_ACTION: u32 = 2;
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#[allow(dead_code)]
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const INVALID_OFFER: u32 = 3;
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id!(WlDataOfferId);
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#[derive(Debug, Copy, Clone, Eq, PartialEq)]
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pub enum DataOfferRole {
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Selection,
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}
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pub struct WlDataOffer {
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pub id: WlDataOfferId,
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pub client: Rc<Client>,
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pub role: DataOfferRole,
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pub source: CloneCell<Option<Rc<WlDataSource>>>,
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}
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impl WlDataOffer {
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pub fn create(
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client: &Rc<Client>,
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role: DataOfferRole,
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src: &Rc<WlDataSource>,
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seat: &Rc<WlSeatGlobal>,
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) -> Option<Rc<Self>> {
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let id = match client.new_id() {
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Ok(id) => id,
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Err(e) => {
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client.error(e);
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return None;
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}
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};
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let slf = Rc::new(Self {
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id,
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client: client.clone(),
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role,
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source: CloneCell::new(Some(src.clone())),
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});
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let mt = src.mime_types.borrow_mut();
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seat.for_each_data_device(0, client.id, |device| {
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client.event(device.data_offer(slf.id));
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for mt in mt.deref() {
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client.event(slf.offer(mt));
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}
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let ev = match role {
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DataOfferRole::Selection => device.selection(id),
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};
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client.event(ev);
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});
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client.add_server_obj(&slf);
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Some(slf)
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}
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pub fn offer(self: &Rc<Self>, mime_type: &str) -> DynEventFormatter {
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Box::new(Offer {
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obj: self.clone(),
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mime_type: mime_type.to_string(),
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})
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}
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fn accept(&self, parser: MsgParser<'_, '_>) -> Result<(), AcceptError> {
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let _req: Accept = self.client.parse(self, parser)?;
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Ok(())
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}
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fn receive(&self, parser: MsgParser<'_, '_>) -> Result<(), ReceiveError> {
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let req: Receive = self.client.parse(self, parser)?;
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if let Some(src) = self.source.get() {
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src.client.event(src.send(req.mime_type, req.fd));
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src.client.flush();
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}
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Ok(())
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}
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fn disconnect(&self) {
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if let Some(src) = self.source.set(None) {
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src.destroy_offer();
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}
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}
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fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), DestroyError> {
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let _req: Destroy = self.client.parse(self, parser)?;
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self.disconnect();
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self.client.remove_obj(self)?;
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Ok(())
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}
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fn finish(&self, parser: MsgParser<'_, '_>) -> Result<(), FinishError> {
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let _req: Finish = self.client.parse(self, parser)?;
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Ok(())
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}
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fn set_actions(&self, parser: MsgParser<'_, '_>) -> Result<(), SetActionsError> {
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let _req: SetActions = self.client.parse(self, parser)?;
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Ok(())
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}
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fn handle_request_(
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self: &Rc<Self>,
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request: u32,
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parser: MsgParser<'_, '_>,
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) -> Result<(), WlDataOfferError> {
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match request {
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ACCEPT => self.accept(parser)?,
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RECEIVE => self.receive(parser)?,
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DESTROY => self.destroy(parser)?,
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FINISH => self.finish(parser)?,
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SET_ACTIONS => self.set_actions(parser)?,
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_ => unreachable!(),
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}
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Ok(())
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}
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}
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handle_request!(WlDataOffer);
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impl Object for WlDataOffer {
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fn id(&self) -> ObjectId {
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self.id.into()
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}
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fn interface(&self) -> Interface {
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Interface::WlDataOffer
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}
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fn num_requests(&self) -> u32 {
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SET_ACTIONS + 1
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}
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fn break_loops(&self) {
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self.disconnect();
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}
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}
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