1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
use OutputStream;
use Seekable;
use ffi;
use glib;
use glib::object::Downcast;
use glib::object::IsA;
use glib::signal::SignalHandlerId;
use glib::signal::connect;
use glib::translate::*;
use glib_ffi;
use gobject_ffi;
use std::boxed::Box as Box_;
use std::mem;
use std::mem::transmute;
use std::ptr;
glib_wrapper! {
pub struct MemoryOutputStream(Object<ffi::GMemoryOutputStream, ffi::GMemoryOutputStreamClass>): OutputStream, Seekable;
match fn {
get_type => || ffi::g_memory_output_stream_get_type(),
}
}
impl MemoryOutputStream {
#[cfg(any(feature = "v2_36", feature = "dox"))]
pub fn new_resizable() -> MemoryOutputStream {
unsafe {
OutputStream::from_glib_full(ffi::g_memory_output_stream_new_resizable()).downcast_unchecked()
}
}
}
pub trait MemoryOutputStreamExt {
fn get_data_size(&self) -> usize;
#[cfg(any(feature = "v2_34", feature = "dox"))]
fn steal_as_bytes(&self) -> Option<glib::Bytes>;
fn connect_property_data_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<MemoryOutputStream> + IsA<glib::object::Object>> MemoryOutputStreamExt for O {
fn get_data_size(&self) -> usize {
unsafe {
ffi::g_memory_output_stream_get_data_size(self.to_glib_none().0)
}
}
#[cfg(any(feature = "v2_34", feature = "dox"))]
fn steal_as_bytes(&self) -> Option<glib::Bytes> {
unsafe {
from_glib_full(ffi::g_memory_output_stream_steal_as_bytes(self.to_glib_none().0))
}
}
fn connect_property_data_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe {
let f: Box_<Box_<Fn(&Self) + 'static>> = Box_::new(Box_::new(f));
connect(self.to_glib_none().0, "notify::data-size",
transmute(notify_data_size_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
}
}
}
unsafe extern "C" fn notify_data_size_trampoline<P>(this: *mut ffi::GMemoryOutputStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
where P: IsA<MemoryOutputStream> {
callback_guard!();
let f: &&(Fn(&P) + 'static) = transmute(f);
f(&MemoryOutputStream::from_glib_borrow(this).downcast_unchecked())
}