46 lines
978 B
Rust
46 lines
978 B
Rust
use {
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crate::{
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object::Version,
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utils::clonecell::CloneCell,
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wire::{wl_buffer::*, WlBufferId},
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wl_usr::{usr_object::UsrObject, UsrCon},
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},
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std::{convert::Infallible, rc::Rc},
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};
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pub struct UsrWlBuffer {
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pub id: WlBufferId,
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pub con: Rc<UsrCon>,
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pub owner: CloneCell<Option<Rc<dyn UsrWlBufferOwner>>>,
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pub version: Version,
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}
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pub trait UsrWlBufferOwner {
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fn release(&self) {}
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}
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impl WlBufferEventHandler for UsrWlBuffer {
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type Error = Infallible;
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fn release(&self, _ev: Release, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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if let Some(owner) = self.owner.get() {
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owner.release();
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}
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Ok(())
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}
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}
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usr_object_base! {
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self = UsrWlBuffer = WlBuffer;
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version = self.version;
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}
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impl UsrObject for UsrWlBuffer {
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fn destroy(&self) {
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self.con.request(Destroy { self_id: self.id });
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}
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fn break_loops(&self) {
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self.owner.take();
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}
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}
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