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use std::time::Duration;
use glib::subclass::prelude::*;
use glib::translate::*;
use glib::Cast;
use crate::{Pixbuf, PixbufAnimationIter};
pub trait PixbufAnimationIterImpl: ObjectImpl {
fn delay_time(&self) -> Option<Duration> {
self.parent_delay_time()
}
fn pixbuf(&self) -> Pixbuf {
self.parent_pixbuf()
}
fn on_currently_loading_frame(&self) -> bool {
self.parent_on_currently_loading_frame()
}
fn advance(&self, time: Duration) -> bool {
self.parent_advance(time)
}
}
pub trait PixbufAnimationIterImplExt: ObjectSubclass {
fn parent_delay_time(&self) -> Option<Duration>;
fn parent_pixbuf(&self) -> Pixbuf;
fn parent_on_currently_loading_frame(&self) -> bool;
fn parent_advance(&self, time: Duration) -> bool;
}
impl<T: PixbufAnimationIterImpl> PixbufAnimationIterImplExt for T {
fn parent_delay_time(&self) -> Option<Duration> {
unsafe {
let data = T::type_data();
let parent_class =
data.as_ref().parent_class() as *mut ffi::GdkPixbufAnimationIterClass;
let f = (*parent_class)
.get_delay_time
.expect("No parent class implementation for \"get_delay_time\"");
let time = f(self
.obj()
.unsafe_cast_ref::<PixbufAnimationIter>()
.to_glib_none()
.0);
if time == -1 {
None
} else {
Some(Duration::from_millis(time.try_into().unwrap()))
}
}
}
fn parent_pixbuf(&self) -> Pixbuf {
unsafe {
let data = T::type_data();
let parent_class =
data.as_ref().parent_class() as *mut ffi::GdkPixbufAnimationIterClass;
let f = (*parent_class)
.get_pixbuf
.expect("No parent class implementation for \"get_pixbuf\"");
from_glib_none(f(self
.obj()
.unsafe_cast_ref::<PixbufAnimationIter>()
.to_glib_none()
.0))
}
}
fn parent_on_currently_loading_frame(&self) -> bool {
unsafe {
let data = T::type_data();
let parent_class =
data.as_ref().parent_class() as *mut ffi::GdkPixbufAnimationIterClass;
let f = (*parent_class)
.on_currently_loading_frame
.expect("No parent class implementation for \"on_currently_loading_frame\"");
from_glib(f(self
.obj()
.unsafe_cast_ref::<PixbufAnimationIter>()
.to_glib_none()
.0))
}
}
fn parent_advance(&self, time: Duration) -> bool {
unsafe {
let data = T::type_data();
let parent_class =
data.as_ref().parent_class() as *mut ffi::GdkPixbufAnimationIterClass;
let f = (*parent_class)
.advance
.expect("No parent class implementation for \"advance\"");
let time = glib::ffi::GTimeVal {
tv_sec: time.as_secs() as _,
tv_usec: time.subsec_micros() as _,
};
from_glib(f(
self.obj()
.unsafe_cast_ref::<PixbufAnimationIter>()
.to_glib_none()
.0,
&time as *const _,
))
}
}
}
unsafe impl<T: PixbufAnimationIterImpl> IsSubclassable<T> for PixbufAnimationIter {
fn class_init(class: &mut ::glib::Class<Self>) {
Self::parent_class_init::<T>(class);
let klass = class.as_mut();
klass.get_delay_time = Some(animation_iter_get_delay_time::<T>);
klass.get_pixbuf = Some(animation_iter_get_pixbuf::<T>);
klass.on_currently_loading_frame = Some(animation_iter_on_currently_loading_frame::<T>);
klass.advance = Some(animation_iter_advance::<T>);
}
}
unsafe extern "C" fn animation_iter_get_delay_time<T: PixbufAnimationIterImpl>(
ptr: *mut ffi::GdkPixbufAnimationIter,
) -> i32 {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.delay_time().map(|t| t.as_millis() as i32).unwrap_or(-1)
}
unsafe extern "C" fn animation_iter_get_pixbuf<T: PixbufAnimationIterImpl>(
ptr: *mut ffi::GdkPixbufAnimationIter,
) -> *mut ffi::GdkPixbuf {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.pixbuf().to_glib_none().0
}
unsafe extern "C" fn animation_iter_on_currently_loading_frame<T: PixbufAnimationIterImpl>(
ptr: *mut ffi::GdkPixbufAnimationIter,
) -> glib::ffi::gboolean {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.on_currently_loading_frame().into_glib()
}
unsafe extern "C" fn animation_iter_advance<T: PixbufAnimationIterImpl>(
ptr: *mut ffi::GdkPixbufAnimationIter,
time_ptr: *const glib::ffi::GTimeVal,
) -> glib::ffi::gboolean {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let total = Duration::from_secs((*time_ptr).tv_sec.try_into().unwrap())
+ Duration::from_micros((*time_ptr).tv_usec.try_into().unwrap());
imp.advance(total).into_glib()
}