gio/auto/
file_output_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, OutputStream, Seekable};
6use glib::{prelude::*, translate::*};
7use std::{boxed::Box as Box_, pin::Pin};
8
9glib::wrapper! {
10    #[doc(alias = "GFileOutputStream")]
11    pub struct FileOutputStream(Object<ffi::GFileOutputStream, ffi::GFileOutputStreamClass>) @extends OutputStream, @implements Seekable;
12
13    match fn {
14        type_ => || ffi::g_file_output_stream_get_type(),
15    }
16}
17
18impl FileOutputStream {
19    pub const NONE: Option<&'static FileOutputStream> = None;
20}
21
22pub trait FileOutputStreamExt: IsA<FileOutputStream> + 'static {
23    #[doc(alias = "g_file_output_stream_get_etag")]
24    #[doc(alias = "get_etag")]
25    fn etag(&self) -> Option<glib::GString> {
26        unsafe {
27            from_glib_full(ffi::g_file_output_stream_get_etag(
28                self.as_ref().to_glib_none().0,
29            ))
30        }
31    }
32
33    #[doc(alias = "g_file_output_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_output_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_output_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 = ffi::g_file_output_stream_query_info_finish(
84                _source_object as *mut _,
85                res,
86                &mut error,
87            );
88            let result = if error.is_null() {
89                Ok(from_glib_full(ret))
90            } else {
91                Err(from_glib_full(error))
92            };
93            let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
94                Box_::from_raw(user_data as *mut _);
95            let callback: P = callback.into_inner();
96            callback(result);
97        }
98        let callback = query_info_async_trampoline::<P>;
99        unsafe {
100            ffi::g_file_output_stream_query_info_async(
101                self.as_ref().to_glib_none().0,
102                attributes.to_glib_none().0,
103                io_priority.into_glib(),
104                cancellable.map(|p| p.as_ref()).to_glib_none().0,
105                Some(callback),
106                Box_::into_raw(user_data) as *mut _,
107            );
108        }
109    }
110
111    fn query_info_future(
112        &self,
113        attributes: &str,
114        io_priority: glib::Priority,
115    ) -> Pin<Box_<dyn std::future::Future<Output = Result<FileInfo, glib::Error>> + 'static>> {
116        let attributes = String::from(attributes);
117        Box_::pin(crate::GioFuture::new(
118            self,
119            move |obj, cancellable, send| {
120                obj.query_info_async(&attributes, io_priority, Some(cancellable), move |res| {
121                    send.resolve(res);
122                });
123            },
124        ))
125    }
126}
127
128impl<O: IsA<FileOutputStream>> FileOutputStreamExt for O {}
gio/auto/file_output_stream.rs

gio/auto/
file_output_stream.rs
