use super::*;
pub trait AlsaFirewireImpl: ObjectImpl {
fn open(&self, unit: &Self::Type, path: &str, open_flag: i32) -> Result<(), Error>;
fn lock(&self, unit: &Self::Type) -> Result<(), Error>;
fn unlock(&self, unit: &Self::Type) -> Result<(), Error>;
fn create_source(&self, unit: &Self::Type) -> Result<Source, Error>;
}
pub trait AlsaFirewireImplExt: ObjectSubclass {
fn parent_open(&self, unit: &Self::Type, path: &str, open_flag: i32) -> Result<(), Error>;
fn parent_lock(&self, unit: &Self::Type) -> Result<(), Error>;
fn parent_unlock(&self, unit: &Self::Type) -> Result<(), Error>;
fn parent_create_source(&self, unit: &Self::Type) -> Result<Source, Error>;
}
impl<T: AlsaFirewireImpl> AlsaFirewireImplExt for T {
fn parent_open(&self, unit: &Self::Type, path: &str, open_flag: i32) -> Result<(), Error> {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<AlsaFirewire>()
as *const ffi::HitakiAlsaFirewireInterface;
let func = (*parent_iface)
.open
.expect("no parent \"open\" implementation");
let mut error = std::ptr::null_mut();
let is_ok = func(
unit.unsafe_cast_ref::<AlsaFirewire>().to_glib_none().0,
path.to_glib_none().0,
open_flag,
&mut error,
);
assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn parent_lock(&self, unit: &Self::Type) -> Result<(), Error> {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<AlsaFirewire>()
as *const ffi::HitakiAlsaFirewireInterface;
let func = (*parent_iface)
.lock
.expect("no parent \"lock\" implementation");
let mut error = std::ptr::null_mut();
let is_ok = func(
unit.unsafe_cast_ref::<AlsaFirewire>().to_glib_none().0,
&mut error,
);
assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn parent_unlock(&self, unit: &Self::Type) -> Result<(), Error> {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<AlsaFirewire>()
as *const ffi::HitakiAlsaFirewireInterface;
let func = (*parent_iface)
.unlock
.expect("no parent \"unlock\" implementation");
let mut error = std::ptr::null_mut();
let is_ok = func(
unit.unsafe_cast_ref::<AlsaFirewire>().to_glib_none().0,
&mut error,
);
assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn parent_create_source(&self, unit: &Self::Type) -> Result<Source, Error> {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<AlsaFirewire>()
as *const ffi::HitakiAlsaFirewireInterface;
let func = (*parent_iface)
.create_source
.expect("no parent \"create_source\" implementation");
let mut source = std::ptr::null_mut();
let mut error = std::ptr::null_mut();
let is_ok = func(
unit.unsafe_cast_ref::<AlsaFirewire>().to_glib_none().0,
&mut source,
&mut error,
);
assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(from_glib_full(source))
} else {
Err(from_glib_full(error))
}
}
}
}
unsafe impl<T: AlsaFirewireImpl> IsImplementable<T> for AlsaFirewire {
fn interface_init(iface: &mut Interface<Self>) {
let iface = iface.as_mut();
iface.open = Some(alsa_firewire_open::<T>);
iface.lock = Some(alsa_firewire_lock::<T>);
iface.unlock = Some(alsa_firewire_unlock::<T>);
iface.create_source = Some(alsa_firewire_create_source::<T>);
}
}
unsafe extern "C" fn alsa_firewire_open<T: AlsaFirewireImpl>(
unit: *mut ffi::HitakiAlsaFirewire,
path: *const std::ffi::c_char,
open_flag: std::ffi::c_int,
error: *mut *mut glib::ffi::GError,
) -> glib::ffi::gboolean {
let instance = &*(unit as *mut T::Instance);
let imp = instance.imp();
match imp.open(
from_glib_borrow::<_, AlsaFirewire>(unit).unsafe_cast_ref(),
std::ffi::CStr::from_ptr(path).to_str().unwrap(),
open_flag,
) {
Ok(()) => glib::ffi::GTRUE,
Err(err) => {
if !error.is_null() {
*error = err.into_glib_ptr();
}
glib::ffi::GFALSE
}
}
}
unsafe extern "C" fn alsa_firewire_lock<T: AlsaFirewireImpl>(
unit: *mut ffi::HitakiAlsaFirewire,
error: *mut *mut glib::ffi::GError,
) -> glib::ffi::gboolean {
let instance = &*(unit as *mut T::Instance);
let imp = instance.imp();
match imp.lock(from_glib_borrow::<_, AlsaFirewire>(unit).unsafe_cast_ref()) {
Ok(()) => glib::ffi::GTRUE,
Err(err) => {
if !error.is_null() {
*error = err.into_glib_ptr();
}
glib::ffi::GFALSE
}
}
}
unsafe extern "C" fn alsa_firewire_unlock<T: AlsaFirewireImpl>(
unit: *mut ffi::HitakiAlsaFirewire,
error: *mut *mut glib::ffi::GError,
) -> glib::ffi::gboolean {
let instance = &*(unit as *mut T::Instance);
let imp = instance.imp();
match imp.unlock(from_glib_borrow::<_, AlsaFirewire>(unit).unsafe_cast_ref()) {
Ok(()) => glib::ffi::GTRUE,
Err(err) => {
if !error.is_null() {
*error = err.into_glib_ptr();
}
glib::ffi::GFALSE
}
}
}
unsafe extern "C" fn alsa_firewire_create_source<T: AlsaFirewireImpl>(
unit: *mut ffi::HitakiAlsaFirewire,
source: *mut *mut glib::ffi::GSource,
error: *mut *mut glib::ffi::GError,
) -> glib::ffi::gboolean {
let instance = &*(unit as *mut T::Instance);
let imp = instance.imp();
match imp.create_source(from_glib_borrow::<_, AlsaFirewire>(unit).unsafe_cast_ref()) {
Ok(src) => {
*source = src.to_glib_none().0;
glib::ffi::GTRUE
}
Err(err) => {
if !error.is_null() {
*error = err.into_glib_ptr();
}
glib::ffi::GFALSE
}
}
}
#[cfg(test)]
mod tests {
use crate::{prelude::*, subclass::prelude::*, *};
use glib::{subclass::prelude::*, Error, GString, Properties, Source};
const CARD_ID: u32 = 117;
const GUID: u64 = 315;
const NODE_DEVICE: &str = "blank";
const UNIT_TYPE: AlsaFirewireType = AlsaFirewireType::Tascam;
mod imp {
use super::*;
use std::cell::RefCell;
#[derive(Properties)]
#[properties(wrapper_type = super::AlsaFirewireTest)]
pub struct AlsaFirewireTest {
#[property(override_interface = AlsaFirewire, get)]
card_id: RefCell<u32>,
#[property(override_interface = AlsaFirewire, get)]
guid: RefCell<u64>,
#[property(override_interface = AlsaFirewire, get, set)]
is_locked: RefCell<bool>,
#[property(override_interface = AlsaFirewire, get, set)]
is_disconnected: RefCell<bool>,
#[property(override_interface = AlsaFirewire, get)]
node_device: RefCell<GString>,
#[property(override_interface = AlsaFirewire, get)]
unit_type: RefCell<AlsaFirewireType>,
}
#[glib::object_subclass]
impl ObjectSubclass for AlsaFirewireTest {
const NAME: &'static str = "AlsaFirewireTest";
type Type = super::AlsaFirewireTest;
type Interfaces = (AlsaFirewire,);
fn new() -> Self {
Self {
unit_type: RefCell::new(UNIT_TYPE),
card_id: RefCell::new(CARD_ID),
guid: RefCell::new(GUID),
is_locked: Default::default(),
is_disconnected: Default::default(),
node_device: RefCell::new(NODE_DEVICE.into()),
}
}
}
#[glib::derived_properties]
impl ObjectImpl for AlsaFirewireTest {}
impl AlsaFirewireImpl for AlsaFirewireTest {
fn open(&self, _unit: &Self::Type, _path: &str, _open_flag: i32) -> Result<(), Error> {
Ok(())
}
fn lock(&self, _unit: &Self::Type) -> Result<(), Error> {
Ok(())
}
fn unlock(&self, _unit: &Self::Type) -> Result<(), Error> {
Ok(())
}
fn create_source(&self, _unit: &Self::Type) -> Result<Source, Error> {
Err(Error::new(AlsaFirewireError::Failed, "expected failure"))
}
}
}
glib::wrapper! {
pub struct AlsaFirewireTest(ObjectSubclass<imp::AlsaFirewireTest>)
@implements AlsaFirewire;
}
#[test]
fn alsa_firewire_iface() {
let unit: AlsaFirewireTest = glib::object::Object::new();
assert_eq!(unit.open("hoge", 0), Ok(()));
assert_eq!(unit.lock(), Ok(()));
assert_eq!(unit.unlock(), Ok(()));
assert!(unit.create_source().is_err());
assert_eq!(unit.unit_type(), UNIT_TYPE);
assert_eq!(unit.card_id(), CARD_ID);
assert_eq!(unit.node_device().unwrap().as_str(), NODE_DEVICE);
assert_eq!(unit.guid(), GUID);
assert_eq!(unit.is_locked(), false);
unit.set_is_locked(true);
assert_eq!(unit.is_locked(), true);
assert_eq!(unit.is_disconnected(), false);
unit.set_is_disconnected(true);
assert_eq!(unit.is_disconnected(), true);
}
}