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gstreamer-editing-services: Move Asset::request_async method into man…
…ual code to add missing init assert See gtk-rs/gir#898
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// Copyright (C) 2020 Guillaume Gomez <guillaume1.gomez@gmail.com> | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
|
||
use gio; | ||
use glib; | ||
use glib::prelude::*; | ||
use glib::translate::*; | ||
use std::boxed::Box as Box_; | ||
use std::pin::Pin; | ||
use std::ptr; | ||
use Asset; | ||
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impl Asset { | ||
pub fn request_async< | ||
P: IsA<gio::Cancellable>, | ||
Q: FnOnce(Result<Asset, glib::Error>) + Send + 'static, | ||
>( | ||
extractable_type: glib::types::Type, | ||
id: &str, | ||
cancellable: Option<&P>, | ||
callback: Q, | ||
) { | ||
assert_initialized_main_thread!(); | ||
let user_data: Box_<Q> = Box_::new(callback); | ||
unsafe extern "C" fn request_async_trampoline< | ||
Q: FnOnce(Result<Asset, glib::Error>) + Send + 'static, | ||
>( | ||
_source_object: *mut gobject_sys::GObject, | ||
res: *mut gio_sys::GAsyncResult, | ||
user_data: glib_sys::gpointer, | ||
) { | ||
let mut error = ptr::null_mut(); | ||
let ret = ges_sys::ges_asset_request_finish(res, &mut error); | ||
let result = if error.is_null() { | ||
Ok(from_glib_full(ret)) | ||
} else { | ||
Err(from_glib_full(error)) | ||
}; | ||
let callback: Box_<Q> = Box_::from_raw(user_data as *mut _); | ||
callback(result); | ||
} | ||
let callback = request_async_trampoline::<Q>; | ||
unsafe { | ||
ges_sys::ges_asset_request_async( | ||
extractable_type.to_glib(), | ||
id.to_glib_none().0, | ||
cancellable.map(|p| p.as_ref()).to_glib_none().0, | ||
Some(callback), | ||
Box_::into_raw(user_data) as *mut _, | ||
); | ||
} | ||
} | ||
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pub fn request_async_future( | ||
extractable_type: glib::types::Type, | ||
id: &str, | ||
) -> Pin<Box_<dyn std::future::Future<Output = Result<Asset, glib::Error>> + 'static>> { | ||
skip_assert_initialized!(); | ||
let id = String::from(id); | ||
Box_::pin(gio::GioFuture::new(&(), move |_obj, send| { | ||
let cancellable = gio::Cancellable::new(); | ||
Self::request_async(extractable_type, &id, Some(&cancellable), move |res| { | ||
send.resolve(res); | ||
}); | ||
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cancellable | ||
})) | ||
} | ||
} |
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