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// Take a look at the license at the top of the repository in the LICENSE file.
use std::marker::PhantomData;
use glib::{object::IsClass, prelude::*, Object, Type};
use crate::{prelude::*, Cancellable, Initable};
impl Initable {
// rustdoc-stripper-ignore-next
/// Create a new instance of an object with the default property values.
///
/// Similar to [`Object::new`] but can fail because the object initialization in
/// `Initable::init` failed.
#[track_caller]
#[allow(clippy::new_ret_no_self)]
pub fn new<T: IsA<Object> + IsClass + IsA<Initable>>(
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<T, glib::Error> {
let object = Self::with_type(T::static_type(), cancellable)?;
Ok(unsafe { object.unsafe_cast() })
}
// rustdoc-stripper-ignore-next
/// Create a new instance of an object with the default property values.
///
/// Similar to [`Object::with_type`] but can fail because the object initialization in
/// `Initable::init` failed.
#[track_caller]
pub fn with_type(
type_: Type,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<Object, glib::Error> {
if !type_.is_a(Initable::static_type()) {
panic!("Type '{type_}' is not initable");
}
unsafe {
let object = Object::new_internal(type_, &mut []);
object.unsafe_cast_ref::<Self>().init(cancellable)?;
Ok(object)
}
}
// rustdoc-stripper-ignore-next
/// Create a new instance of an object of the given type with the given properties as mutable
/// values.
///
/// # Panics
///
/// This panics if the object is not instantiable, doesn't have all the given properties or
/// property values of the wrong type are provided.
#[track_caller]
pub fn with_mut_values(
type_: Type,
properties: &mut [(&str, glib::Value)],
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<Object, glib::Error> {
if !type_.is_a(Initable::static_type()) {
panic!("Type '{type_}' is not initable");
}
unsafe {
let object = Object::new_internal(type_, properties);
object.unsafe_cast_ref::<Self>().init(cancellable)?;
Ok(object)
}
}
// rustdoc-stripper-ignore-next
/// Create a new object builder for a specific type.
pub fn builder<'a, O: IsA<Object> + IsClass + IsA<Initable>>() -> InitableBuilder<'a, O> {
InitableBuilder::new(O::static_type())
}
// rustdoc-stripper-ignore-next
/// Create a new object builder for a specific type.
pub fn builder_with_type<'a>(type_: Type) -> InitableBuilder<'a, Object> {
if !type_.is_a(Initable::static_type()) {
panic!("Type '{type_}' is not initable");
}
InitableBuilder::new(type_)
}
}
#[must_use = "builder doesn't do anything unless built"]
pub struct InitableBuilder<'a, O> {
type_: Type,
properties: smallvec::SmallVec<[(&'a str, glib::Value); 16]>,
phantom: PhantomData<O>,
}
impl<'a, O: IsA<Object> + IsClass> InitableBuilder<'a, O> {
#[inline]
fn new(type_: Type) -> Self {
InitableBuilder {
type_,
properties: smallvec::SmallVec::new(),
phantom: PhantomData,
}
}
// rustdoc-stripper-ignore-next
/// Gets the type of this builder.
#[inline]
pub fn type_(&self) -> Type {
self.type_
}
// rustdoc-stripper-ignore-next
/// Set property `name` to the given value `value`.
#[inline]
pub fn property(self, name: &'a str, value: impl Into<glib::Value>) -> Self {
let InitableBuilder {
type_,
mut properties,
..
} = self;
properties.push((name, value.into()));
InitableBuilder {
type_,
properties,
phantom: PhantomData,
}
}
// rustdoc-stripper-ignore-next
/// Build the object with the provided properties.
///
/// # Panics
///
/// This panics if the object is not instantiable, doesn't have all the given properties or
/// property values of the wrong type are provided.
#[track_caller]
#[inline]
pub fn build(mut self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<O, glib::Error> {
let object = Initable::with_mut_values(self.type_, &mut self.properties, cancellable)?;
Ok(unsafe { object.unsafe_cast::<O>() })
}
}