// Copyright © 2017 Mozilla Foundation
//
// This program is made available under an ISC-style license. See the
// accompanying file LICENSE for details.
#[derive(Debug)]
pub struct Operation(*
mut ffi::pa_operation);
impl Operation {
// See https://github.com/mozilla/cubeb-pulse-rs/issues/95
#[allow(clippy::missing_safety_doc)]
pub unsafe fn from_raw_ptr(raw: *
mut ffi::pa_operation) -> Operation {
Operation(raw)
}
pub fn cancel(&
mut self) {
unsafe {
ffi::pa_operation_cancel(
self.
0);
}
}
pub fn get_state(&
self) -> ffi::pa_operation_state_t {
unsafe { ffi::pa_operation_get_state(
self.
0) }
}
/// Release our reference without canceling. PulseAudio holds its
/// own ref on in-flight operations, so the operation will continue
/// to run and deliver its callback.
pub fn detach(
self) {
unsafe {
ffi::pa_operation_unref(
self.
0);
}
std::mem::forget(
self);
}
}
impl Clone for Operation {
fn clone(&
self) ->
Self {
Operation(
unsafe { ffi::pa_operation_ref(
self.
0) })
}
}
impl Drop for Operation {
fn drop(&
mut self) {
if self.get_state() == ffi::PA_OPERATION_RUNNING {
self.cancel();
}
unsafe {
ffi::pa_operation_unref(
self.
0);
}
}
}
pub unsafe fn from_raw_ptr(raw: *
mut ffi::pa_operation) -> Operation {
Operation::from_raw_ptr(raw)
}