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use Cancellable;
use Error;
use FilterInputStream;
use InputStream;
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 BufferedInputStream(Object<ffi::GBufferedInputStream, ffi::GBufferedInputStreamClass>): FilterInputStream, InputStream, Seekable;
match fn {
get_type => || ffi::g_buffered_input_stream_get_type(),
}
}
impl BufferedInputStream {
pub fn new<P: IsA<InputStream>>(base_stream: &P) -> BufferedInputStream {
unsafe {
InputStream::from_glib_full(ffi::g_buffered_input_stream_new(base_stream.to_glib_none().0)).downcast_unchecked()
}
}
pub fn new_sized<P: IsA<InputStream>>(base_stream: &P, size: usize) -> BufferedInputStream {
unsafe {
InputStream::from_glib_full(ffi::g_buffered_input_stream_new_sized(base_stream.to_glib_none().0, size)).downcast_unchecked()
}
}
}
pub trait BufferedInputStreamExt {
fn fill<'a, P: Into<Option<&'a Cancellable>>>(&self, count: isize, cancellable: P) -> Result<isize, Error>;
fn fill_async<'a, P: Into<Option<&'a Cancellable>>, Q: FnOnce(Result<isize, Error>) + Send + 'static>(&self, count: isize, io_priority: glib::Priority, cancellable: P, callback: Q);
fn get_available(&self) -> usize;
fn get_buffer_size(&self) -> usize;
fn peek_buffer(&self) -> Vec<u8>;
fn read_byte<'a, P: Into<Option<&'a Cancellable>>>(&self, cancellable: P) -> Result<i32, Error>;
fn set_buffer_size(&self, size: usize);
fn connect_property_buffer_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<BufferedInputStream> + IsA<glib::object::Object>> BufferedInputStreamExt for O {
fn fill<'a, P: Into<Option<&'a Cancellable>>>(&self, count: isize, cancellable: P) -> Result<isize, Error> {
let cancellable = cancellable.into();
let cancellable = cancellable.to_glib_none();
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_buffered_input_stream_fill(self.to_glib_none().0, count, cancellable.0, &mut error);
if error.is_null() { Ok(ret) } else { Err(from_glib_full(error)) }
}
}
fn fill_async<'a, P: Into<Option<&'a Cancellable>>, Q: FnOnce(Result<isize, Error>) + Send + 'static>(&self, count: isize, io_priority: glib::Priority, cancellable: P, callback: Q) {
let cancellable = cancellable.into();
let cancellable = cancellable.to_glib_none();
let user_data: Box<Box<Q>> = Box::new(Box::new(callback));
unsafe extern "C" fn fill_async_trampoline<Q: FnOnce(Result<isize, Error>) + Send + 'static>(_source_object: *mut gobject_ffi::GObject, res: *mut ffi::GAsyncResult, user_data: glib_ffi::gpointer)
{
callback_guard!();
let mut error = ptr::null_mut();
let ret = ffi::g_buffered_input_stream_fill_finish(_source_object as *mut _, res, &mut error);
let result = if error.is_null() { Ok(ret) } else { Err(from_glib_full(error)) };
let callback: Box<Box<Q>> = Box::from_raw(user_data as *mut _);
callback(result);
}
let callback = fill_async_trampoline::<Q>;
unsafe {
ffi::g_buffered_input_stream_fill_async(self.to_glib_none().0, count, io_priority.to_glib(), cancellable.0, Some(callback), Box::into_raw(user_data) as *mut _);
}
}
fn get_available(&self) -> usize {
unsafe {
ffi::g_buffered_input_stream_get_available(self.to_glib_none().0)
}
}
fn get_buffer_size(&self) -> usize {
unsafe {
ffi::g_buffered_input_stream_get_buffer_size(self.to_glib_none().0)
}
}
fn peek_buffer(&self) -> Vec<u8> {
unsafe {
let mut count = mem::uninitialized();
let ret = FromGlibContainer::from_glib_none_num(ffi::g_buffered_input_stream_peek_buffer(self.to_glib_none().0, &mut count), count as usize);
ret
}
}
fn read_byte<'a, P: Into<Option<&'a Cancellable>>>(&self, cancellable: P) -> Result<i32, Error> {
let cancellable = cancellable.into();
let cancellable = cancellable.to_glib_none();
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_buffered_input_stream_read_byte(self.to_glib_none().0, cancellable.0, &mut error);
if error.is_null() { Ok(ret) } else { Err(from_glib_full(error)) }
}
}
fn set_buffer_size(&self, size: usize) {
unsafe {
ffi::g_buffered_input_stream_set_buffer_size(self.to_glib_none().0, size);
}
}
fn connect_property_buffer_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::buffer-size",
transmute(notify_buffer_size_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
}
}
}
unsafe extern "C" fn notify_buffer_size_trampoline<P>(this: *mut ffi::GBufferedInputStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
where P: IsA<BufferedInputStream> {
callback_guard!();
let f: &&(Fn(&P) + 'static) = transmute(f);
f(&BufferedInputStream::from_glib_borrow(this).downcast_unchecked())
}