gio/auto/
file_io_stream.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// DO NOT EDIT
4
5use crate::{ffi, AsyncResult, Cancellable, FileInfo, IOStream, Seekable};
6use glib::{prelude::*, translate::*};
7use std::{boxed::Box as Box_, pin::Pin};
8
9glib::wrapper! {
10    #[doc(alias = "GFileIOStream")]
11    pub struct FileIOStream(Object<ffi::GFileIOStream, ffi::GFileIOStreamClass>) @extends IOStream, @implements Seekable;
12
13    match fn {
14        type_ => || ffi::g_file_io_stream_get_type(),
15    }
16}
17
18impl FileIOStream {
19    pub const NONE: Option<&'static FileIOStream> = None;
20}
21
22pub trait FileIOStreamExt: IsA<FileIOStream> + 'static {
23    #[doc(alias = "g_file_io_stream_get_etag")]
24    #[doc(alias = "get_etag")]
25    fn etag(&self) -> Option<glib::GString> {
26        unsafe {
27            from_glib_full(ffi::g_file_io_stream_get_etag(
28                self.as_ref().to_glib_none().0,
29            ))
30        }
31    }
32
33    #[doc(alias = "g_file_io_stream_query_info")]
34    fn query_info(
35        &self,
36        attributes: &str,
37        cancellable: Option<&impl IsA<Cancellable>>,
38    ) -> Result<FileInfo, glib::Error> {
39        unsafe {
40            let mut error = std::ptr::null_mut();
41            let ret = ffi::g_file_io_stream_query_info(
42                self.as_ref().to_glib_none().0,
43                attributes.to_glib_none().0,
44                cancellable.map(|p| p.as_ref()).to_glib_none().0,
45                &mut error,
46            );
47            if error.is_null() {
48                Ok(from_glib_full(ret))
49            } else {
50                Err(from_glib_full(error))
51            }
52        }
53    }
54
55    #[doc(alias = "g_file_io_stream_query_info_async")]
56    fn query_info_async<P: FnOnce(Result<FileInfo, glib::Error>) + 'static>(
57        &self,
58        attributes: &str,
59        io_priority: glib::Priority,
60        cancellable: Option<&impl IsA<Cancellable>>,
61        callback: P,
62    ) {
63        let main_context = glib::MainContext::ref_thread_default();
64        let is_main_context_owner = main_context.is_owner();
65        let has_acquired_main_context = (!is_main_context_owner)
66            .then(|| main_context.acquire().ok())
67            .flatten();
68        assert!(
69            is_main_context_owner || has_acquired_main_context.is_some(),
70            "Async operations only allowed if the thread is owning the MainContext"
71        );
72
73        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
74            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
75        unsafe extern "C" fn query_info_async_trampoline<
76            P: FnOnce(Result<FileInfo, glib::Error>) + 'static,
77        >(
78            _source_object: *mut glib::gobject_ffi::GObject,
79            res: *mut crate::ffi::GAsyncResult,
80            user_data: glib::ffi::gpointer,
81        ) {
82            let mut error = std::ptr::null_mut();
83            let ret =
84                ffi::g_file_io_stream_query_info_finish(_source_object as *mut _, res, &mut error);
85            let result = if error.is_null() {
86                Ok(from_glib_full(ret))
87            } else {
88                Err(from_glib_full(error))
89            };
90            let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
91                Box_::from_raw(user_data as *mut _);
92            let callback: P = callback.into_inner();
93            callback(result);
94        }
95        let callback = query_info_async_trampoline::<P>;
96        unsafe {
97            ffi::g_file_io_stream_query_info_async(
98                self.as_ref().to_glib_none().0,
99                attributes.to_glib_none().0,
100                io_priority.into_glib(),
101                cancellable.map(|p| p.as_ref()).to_glib_none().0,
102                Some(callback),
103                Box_::into_raw(user_data) as *mut _,
104            );
105        }
106    }
107
108    fn query_info_future(
109        &self,
110        attributes: &str,
111        io_priority: glib::Priority,
112    ) -> Pin<Box_<dyn std::future::Future<Output = Result<FileInfo, glib::Error>> + 'static>> {
113        let attributes = String::from(attributes);
114        Box_::pin(crate::GioFuture::new(
115            self,
116            move |obj, cancellable, send| {
117                obj.query_info_async(&attributes, io_priority, Some(cancellable), move |res| {
118                    send.resolve(res);
119                });
120            },
121        ))
122    }
123}
124
125impl<O: IsA<FileIOStream>> FileIOStreamExt for O {}
gio/auto/file_io_stream.rs

gio/auto/
file_io_stream.rs
