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use crate::Pixbuf;
use glib::object::IsA;
use glib::translate::*;
use std::boxed::Box as Box_;
use std::fmt;
use std::pin::Pin;
use std::ptr;
glib::wrapper! {
#[doc(alias = "GdkPixbufAnimation")]
pub struct PixbufAnimation(Object<ffi::GdkPixbufAnimation, ffi::GdkPixbufAnimationClass>);
match fn {
type_ => || ffi::gdk_pixbuf_animation_get_type(),
}
}
impl PixbufAnimation {
pub const NONE: Option<&'static PixbufAnimation> = None;
#[doc(alias = "gdk_pixbuf_animation_new_from_file")]
#[doc(alias = "new_from_file")]
pub fn from_file(
filename: impl AsRef<std::path::Path>,
) -> Result<PixbufAnimation, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::gdk_pixbuf_animation_new_from_file(
filename.as_ref().to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "gdk_pixbuf_animation_new_from_resource")]
#[doc(alias = "new_from_resource")]
pub fn from_resource(resource_path: &str) -> Result<PixbufAnimation, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::gdk_pixbuf_animation_new_from_resource(
resource_path.to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "gdk_pixbuf_animation_new_from_stream")]
#[doc(alias = "new_from_stream")]
pub fn from_stream(
stream: &impl IsA<gio::InputStream>,
cancellable: Option<&impl IsA<gio::Cancellable>>,
) -> Result<PixbufAnimation, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::gdk_pixbuf_animation_new_from_stream(
stream.as_ref().to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "gdk_pixbuf_animation_new_from_stream_async")]
#[doc(alias = "new_from_stream_async")]
pub fn from_stream_async<P: FnOnce(Result<PixbufAnimation, glib::Error>) + 'static>(
stream: &impl IsA<gio::InputStream>,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: P,
) {
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn from_stream_async_trampoline<
P: FnOnce(Result<PixbufAnimation, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut gio::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let ret = ffi::gdk_pixbuf_animation_new_from_stream_finish(res, &mut error);
let result = if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = from_stream_async_trampoline::<P>;
unsafe {
ffi::gdk_pixbuf_animation_new_from_stream_async(
stream.as_ref().to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
pub fn from_stream_future(
stream: &(impl IsA<gio::InputStream> + Clone + 'static),
) -> Pin<Box_<dyn std::future::Future<Output = Result<PixbufAnimation, glib::Error>> + 'static>>
{
let stream = stream.clone();
Box_::pin(gio::GioFuture::new(&(), move |_obj, cancellable, send| {
Self::from_stream_async(&stream, Some(cancellable), move |res| {
send.resolve(res);
});
}))
}
}
pub trait PixbufAnimationExt: 'static {
#[doc(alias = "gdk_pixbuf_animation_get_height")]
#[doc(alias = "get_height")]
fn height(&self) -> i32;
#[doc(alias = "gdk_pixbuf_animation_get_static_image")]
#[doc(alias = "get_static_image")]
fn static_image(&self) -> Option<Pixbuf>;
#[doc(alias = "gdk_pixbuf_animation_get_width")]
#[doc(alias = "get_width")]
fn width(&self) -> i32;
#[doc(alias = "gdk_pixbuf_animation_is_static_image")]
fn is_static_image(&self) -> bool;
}
impl<O: IsA<PixbufAnimation>> PixbufAnimationExt for O {
fn height(&self) -> i32 {
unsafe { ffi::gdk_pixbuf_animation_get_height(self.as_ref().to_glib_none().0) }
}
fn static_image(&self) -> Option<Pixbuf> {
unsafe {
from_glib_none(ffi::gdk_pixbuf_animation_get_static_image(
self.as_ref().to_glib_none().0,
))
}
}
fn width(&self) -> i32 {
unsafe { ffi::gdk_pixbuf_animation_get_width(self.as_ref().to_glib_none().0) }
}
fn is_static_image(&self) -> bool {
unsafe {
from_glib(ffi::gdk_pixbuf_animation_is_static_image(
self.as_ref().to_glib_none().0,
))
}
}
}
impl fmt::Display for PixbufAnimation {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("PixbufAnimation")
}
}
