108 lines
3.2 KiB
Rust
108 lines
3.2 KiB
Rust
use {
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crate::{
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client::{Client, ClientError},
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leaks::Tracker,
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object::Object,
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utils::{
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activation_token::{activation_token, ActivationToken},
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buffd::{MsgParser, MsgParserError},
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},
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wire::{xdg_activation_token_v1::*, XdgActivationTokenV1Id},
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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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const MAX_TOKENS_PER_CLIENT: usize = 8;
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pub struct XdgActivationTokenV1 {
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pub id: XdgActivationTokenV1Id,
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pub client: Rc<Client>,
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pub tracker: Tracker<Self>,
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already_used: Cell<bool>,
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}
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impl XdgActivationTokenV1 {
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pub fn new(id: XdgActivationTokenV1Id, client: &Rc<Client>) -> Self {
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Self {
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id,
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client: client.clone(),
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tracker: Default::default(),
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already_used: Cell::new(false),
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}
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}
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fn set_serial(&self, parser: MsgParser<'_, '_>) -> Result<(), XdgActivationTokenV1Error> {
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let _req: SetSerial = self.client.parse(self, parser)?;
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Ok(())
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}
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fn set_app_id(&self, parser: MsgParser<'_, '_>) -> Result<(), XdgActivationTokenV1Error> {
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let _req: SetAppId = self.client.parse(self, parser)?;
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Ok(())
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}
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fn set_surface(&self, parser: MsgParser<'_, '_>) -> Result<(), XdgActivationTokenV1Error> {
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let req: SetSurface = self.client.parse(self, parser)?;
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self.client.lookup(req.surface)?;
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Ok(())
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}
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fn commit(&self, parser: MsgParser<'_, '_>) -> Result<(), XdgActivationTokenV1Error> {
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let _req: Commit = self.client.parse(self, parser)?;
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if self.already_used.replace(true) {
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return Err(XdgActivationTokenV1Error::AlreadyUsed);
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}
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let token = activation_token();
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self.client.state.activation_tokens.set(token, ());
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let mut tokens = self.client.activation_tokens.borrow_mut();
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if tokens.len() >= MAX_TOKENS_PER_CLIENT {
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if let Some(oldest) = tokens.pop_front() {
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self.client.state.activation_tokens.remove(&oldest);
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}
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}
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tokens.push_back(token);
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self.send_done(token);
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Ok(())
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}
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fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), XdgActivationTokenV1Error> {
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let _req: Destroy = self.client.parse(self, parser)?;
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self.client.remove_obj(self)?;
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Ok(())
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}
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fn send_done(&self, token: ActivationToken) {
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let token = token.to_string();
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self.client.event(Done {
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self_id: self.id,
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token: &token,
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});
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}
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}
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object_base! {
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self = XdgActivationTokenV1;
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SET_SERIAL => set_serial,
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SET_APP_ID => set_app_id,
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SET_SURFACE => set_surface,
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COMMIT => commit,
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DESTROY => destroy,
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}
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impl Object for XdgActivationTokenV1 {}
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simple_add_obj!(XdgActivationTokenV1);
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#[derive(Debug, Error)]
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pub enum XdgActivationTokenV1Error {
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#[error(transparent)]
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ClientError(Box<ClientError>),
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#[error("Parsing failed")]
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MsgParserError(#[source] Box<MsgParserError>),
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#[error("The activation token has already been used")]
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AlreadyUsed,
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}
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efrom!(XdgActivationTokenV1Error, ClientError);
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efrom!(XdgActivationTokenV1Error, MsgParserError);
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