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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| // Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.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 StructureRef; | ||
| use Structure; | ||
| use ffi; | ||
| use glib::translate::*; | ||
| use glib_ffi; | ||
| use gobject_ffi; | ||
| use std::mem; | ||
| use std::ptr; | ||
| use PromiseResult; | ||
|
|
||
| glib_wrapper! { | ||
| pub struct Promise(Shared<ffi::GstPromise>); | ||
|
|
||
| match fn { | ||
| ref => |ptr| ffi::gst_mini_object_ref(ptr as *mut _) as *mut ffi::GstPromise, | ||
| unref => |ptr| ffi::gst_mini_object_unref(ptr as *mut _), | ||
| get_type => || ffi::gst_promise_get_type(), | ||
| } | ||
| } | ||
|
|
||
| impl Promise { | ||
| #[cfg(any(feature = "v1_14", feature = "dox"))] | ||
| pub fn new() -> Promise { | ||
| assert_initialized_main_thread!(); | ||
| unsafe { | ||
| from_glib_full(ffi::gst_promise_new()) | ||
| } | ||
| } | ||
|
|
||
| #[cfg(any(feature = "v1_14", feature = "dox"))] | ||
| pub fn new_with_change_func<F>(func: F) -> Promise | ||
| where F: FnOnce(&Promise) + Send + 'static { | ||
| let user_data: Box<Option<Box<F>>> = Box::new(Some(Box::new(func))); | ||
|
|
||
| unsafe extern "C" fn trampoline<F: FnOnce(&Promise) + Send + 'static>( | ||
| promise: *mut ffi::GstPromise, | ||
| user_data: glib_ffi::gpointer, | ||
| ) { | ||
| callback_guard!(); | ||
| let user_data: &mut Option<Box<F>> = &mut *(user_data as *mut _); | ||
| let callback = user_data.take().unwrap(); | ||
|
|
||
| callback(&from_glib_borrow(promise)); | ||
| } | ||
|
|
||
| unsafe extern "C" fn free_user_data<F: FnOnce(&Promise) + Send + 'static>( | ||
| user_data: glib_ffi::gpointer, | ||
| ) { | ||
| let _: Box<Option<Box<F>>> = Box::from_raw(user_data as *mut _); | ||
| } | ||
|
|
||
| let trampoline = trampoline::<F>; | ||
| let free_user_data = free_user_data::<F>; | ||
| unsafe { | ||
| from_glib_full(ffi::gst_promise_new_with_change_func( | ||
| Some(trampoline), | ||
| Box::into_raw(user_data) as *mut _, | ||
| Some(free_user_data), | ||
| )) | ||
| } | ||
| } | ||
|
|
||
| #[cfg(any(feature = "v1_14", feature = "dox"))] | ||
| pub fn expire(&self) { | ||
| unsafe { | ||
| ffi::gst_promise_expire(self.to_glib_none().0); | ||
| } | ||
| } | ||
|
|
||
| #[cfg(any(feature = "v1_14", feature = "dox"))] | ||
| pub fn get_reply(&self) -> Option<&StructureRef> { | ||
| unsafe { | ||
| let s = ffi::gst_promise_get_reply(self.to_glib_none().0); | ||
| if s.is_null() { | ||
| None | ||
| } else { | ||
| Some(StructureRef::from_glib_borrow(s)) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[cfg(any(feature = "v1_14", feature = "dox"))] | ||
| pub fn interrupt(&self) { | ||
| unsafe { | ||
| ffi::gst_promise_interrupt(self.to_glib_none().0); | ||
| } | ||
| } | ||
|
|
||
| #[cfg(any(feature = "v1_14", feature = "dox"))] | ||
| pub fn reply(&self, s: Structure) { | ||
| unsafe { | ||
| ffi::gst_promise_reply(self.to_glib_none().0, s.into_ptr()); | ||
| } | ||
| } | ||
|
|
||
| #[cfg(any(feature = "v1_14", feature = "dox"))] | ||
| pub fn wait(&self) -> PromiseResult { | ||
| unsafe { | ||
| from_glib(ffi::gst_promise_wait(self.to_glib_none().0)) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[cfg(any(feature = "v1_14", feature = "dox"))] | ||
| impl Default for Promise { | ||
| fn default() -> Self { | ||
| Self::new() | ||
| } | ||
| } | ||
|
|
||
| unsafe impl Send for Promise {} | ||
| unsafe impl Sync for Promise {} |