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use gio_sys;
use glib;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib_sys;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
use OutputStream;
use PollableOutputStream;
use Seekable;
glib_wrapper! {
pub struct MemoryOutputStream(Object<gio_sys::GMemoryOutputStream, gio_sys::GMemoryOutputStreamClass, MemoryOutputStreamClass>) @extends OutputStream, @implements PollableOutputStream, Seekable;
match fn {
get_type => || gio_sys::g_memory_output_stream_get_type(),
}
}
impl MemoryOutputStream {
pub fn new_resizable() -> MemoryOutputStream {
unsafe {
OutputStream::from_glib_full(gio_sys::g_memory_output_stream_new_resizable())
.unsafe_cast()
}
}
}
pub const NONE_MEMORY_OUTPUT_STREAM: Option<&MemoryOutputStream> = None;
pub trait MemoryOutputStreamExt: 'static {
fn get_data_size(&self) -> usize;
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>> MemoryOutputStreamExt for O {
fn get_data_size(&self) -> usize {
unsafe { gio_sys::g_memory_output_stream_get_data_size(self.as_ref().to_glib_none().0) }
}
fn steal_as_bytes(&self) -> Option<glib::Bytes> {
unsafe {
from_glib_full(gio_sys::g_memory_output_stream_steal_as_bytes(
self.as_ref().to_glib_none().0,
))
}
}
fn connect_property_data_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn notify_data_size_trampoline<P, F: Fn(&P) + 'static>(
this: *mut gio_sys::GMemoryOutputStream,
_param_spec: glib_sys::gpointer,
f: glib_sys::gpointer,
) where
P: IsA<MemoryOutputStream>,
{
let f: &F = &*(f as *const F);
f(&MemoryOutputStream::from_glib_borrow(this).unsafe_cast())
}
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(notify_data_size_trampoline::<Self, F> as usize)),
Box_::into_raw(f),
)
}
}
}
impl fmt::Display for MemoryOutputStream {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "MemoryOutputStream")
}
}