libfprint_rs/device/
mod.rs

1mod callback;
2mod device_sync;
3mod enums;
4mod fp_device;
5mod user_data;
6
7pub use device_sync::{FpEnrollProgress, FpMatchCb};
8use gio::AsyncInitable;
9use glib::wrapper;
10
11wrapper! {
12#[cfg(not(doctest))]
13/// Fingerpint device routines. You can interact with fingerprint devices using this struct.
14///
15/// # Examples:
16/// ```rust
17/// use libfprint_rs::FpContext;
18///
19/// let context = FpContext::new();
20/// let devices = context.devices();
21/// let device = devices.get(0).unwrap();
22///
23/// device.open_sync(None).unwrap();
24/// let name = device.name().unwrap();
25/// println!("Device name: {}", name);
26/// ```
27    pub struct FpDevice(Object<libfprint_sys::FpDevice, libfprint_sys::FpDeviceClass>)
28        @implements AsyncInitable;
29
30    match fn {
31        type_ => || libfprint_sys::fp_device_get_type() as usize,
32    }
33}
34
35pub(crate) struct UserData<F, T> {
36    function: F,
37    data: Option<T>,
38}
39
40impl<F, T> Drop for UserData<F, T> {
41    fn drop(&mut self) {
42        if self.data.is_some() {
43            drop(self.data.take())
44        }
45    }
46}
47
48macro_rules! fn_pointer {
49    ($function:ident, $struct:ident) => {{
50        let ptr: *mut std::ffi::c_void = match $function {
51            Some(cb) => {
52                let data = crate::device::UserData {
53                    function: cb,
54                    data: $struct,
55                };
56                let boxed = std::sync::Arc::new(data);
57                std::sync::Arc::into_raw(boxed) as *mut std::ffi::c_void
58            }
59            None => std::ptr::null_mut(),
60        };
61        ptr
62    }};
63}
64
65use fn_pointer;
libfprint_rs/device/mod.rs

libfprint_rs/device/
mod.rs
