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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 libc;
use std::boxed::Box as Box_;
use std::mem;
use std::mem::transmute;
use std::ptr;
glib_wrapper! {
pub struct ChildProxy(Object<ffi::GstChildProxy, ffi::GstChildProxyInterface>);
match fn {
get_type => || ffi::gst_child_proxy_get_type(),
}
}
unsafe impl Send for ChildProxy {}
unsafe impl Sync for ChildProxy {}
pub trait ChildProxyExt {
fn child_added<P: IsA<glib::Object>>(&self, child: &P, name: &str);
fn child_removed<P: IsA<glib::Object>>(&self, child: &P, name: &str);
fn get_child_by_index(&self, index: u32) -> Option<glib::Object>;
fn get_child_by_name(&self, name: &str) -> Option<glib::Object>;
fn get_children_count(&self) -> u32;
fn connect_child_added<F: Fn(&Self, &glib::Object, &str) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId;
fn connect_child_removed<F: Fn(&Self, &glib::Object, &str) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<ChildProxy> + IsA<glib::object::Object>> ChildProxyExt for O {
fn child_added<P: IsA<glib::Object>>(&self, child: &P, name: &str) {
unsafe {
ffi::gst_child_proxy_child_added(self.to_glib_none().0, child.to_glib_none().0, name.to_glib_none().0);
}
}
fn child_removed<P: IsA<glib::Object>>(&self, child: &P, name: &str) {
unsafe {
ffi::gst_child_proxy_child_removed(self.to_glib_none().0, child.to_glib_none().0, name.to_glib_none().0);
}
}
fn get_child_by_index(&self, index: u32) -> Option<glib::Object> {
unsafe {
from_glib_full(ffi::gst_child_proxy_get_child_by_index(self.to_glib_none().0, index))
}
}
fn get_child_by_name(&self, name: &str) -> Option<glib::Object> {
unsafe {
from_glib_full(ffi::gst_child_proxy_get_child_by_name(self.to_glib_none().0, name.to_glib_none().0))
}
}
fn get_children_count(&self) -> u32 {
unsafe {
ffi::gst_child_proxy_get_children_count(self.to_glib_none().0)
}
}
fn connect_child_added<F: Fn(&Self, &glib::Object, &str) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
unsafe {
let f: Box_<Box_<Fn(&Self, &glib::Object, &str) + Send + Sync + 'static>> = Box_::new(Box_::new(f));
connect(self.to_glib_none().0, "child-added",
transmute(child_added_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
}
}
fn connect_child_removed<F: Fn(&Self, &glib::Object, &str) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
unsafe {
let f: Box_<Box_<Fn(&Self, &glib::Object, &str) + Send + Sync + 'static>> = Box_::new(Box_::new(f));
connect(self.to_glib_none().0, "child-removed",
transmute(child_removed_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
}
}
}
unsafe extern "C" fn child_added_trampoline<P>(this: *mut ffi::GstChildProxy, object: *mut gobject_ffi::GObject, name: *mut libc::c_char, f: glib_ffi::gpointer)
where P: IsA<ChildProxy> {
let f: &&(Fn(&P, &glib::Object, &str) + Send + Sync + 'static) = transmute(f);
f(&ChildProxy::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object), &String::from_glib_none(name))
}
unsafe extern "C" fn child_removed_trampoline<P>(this: *mut ffi::GstChildProxy, object: *mut gobject_ffi::GObject, name: *mut libc::c_char, f: glib_ffi::gpointer)
where P: IsA<ChildProxy> {
let f: &&(Fn(&P, &glib::Object, &str) + Send + Sync + 'static) = transmute(f);
f(&ChildProxy::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object), &String::from_glib_none(name))
}