use crate::{OutputStream, PollableOutputStream, Seekable};
use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::{boxed::Box as Box_, fmt, mem::transmute};
glib::wrapper! {
#[doc(alias = "GMemoryOutputStream")]
pub struct MemoryOutputStream(Object<ffi::GMemoryOutputStream, ffi::GMemoryOutputStreamClass>) @extends OutputStream, @implements PollableOutputStream, Seekable;
match fn {
type_ => || ffi::g_memory_output_stream_get_type(),
}
}
impl MemoryOutputStream {
pub const NONE: Option<&'static MemoryOutputStream> = None;
#[doc(alias = "g_memory_output_stream_new_resizable")]
pub fn new_resizable() -> MemoryOutputStream {
unsafe {
OutputStream::from_glib_full(ffi::g_memory_output_stream_new_resizable()).unsafe_cast()
}
}
}
pub trait MemoryOutputStreamExt: 'static {
#[doc(alias = "g_memory_output_stream_get_data_size")]
#[doc(alias = "get_data_size")]
fn data_size(&self) -> usize;
#[doc(alias = "g_memory_output_stream_steal_as_bytes")]
fn steal_as_bytes(&self) -> glib::Bytes;
#[doc(alias = "data-size")]
fn connect_data_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<MemoryOutputStream>> MemoryOutputStreamExt for O {
fn data_size(&self) -> usize {
unsafe { ffi::g_memory_output_stream_get_data_size(self.as_ref().to_glib_none().0) }
}
fn steal_as_bytes(&self) -> glib::Bytes {
unsafe {
from_glib_full(ffi::g_memory_output_stream_steal_as_bytes(
self.as_ref().to_glib_none().0,
))
}
}
fn connect_data_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn notify_data_size_trampoline<
P: IsA<MemoryOutputStream>,
F: Fn(&P) + 'static,
>(
this: *mut ffi::GMemoryOutputStream,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(MemoryOutputStream::from_glib_borrow(this).unsafe_cast_ref())
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::data-size\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
notify_data_size_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl fmt::Display for MemoryOutputStream {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("MemoryOutputStream")
}
}