Copy as Markdown
Other Tools
//
// DO NOT EDIT. THIS FILE IS GENERATED FROM $SRCDIR/dom/interfaces/xul/nsIDOMXULSelectCntrlEl.idl
//
/// `interface nsIDOMXULSelectControlElement : nsIDOMXULControlElement`
///
// The actual type definition for the interface. This struct has methods
// declared on it which will call through its vtable. You never want to pass
// this type around by value, always pass it behind a reference.
#[repr(C)]
pub struct nsIDOMXULSelectControlElement {
vtable: &'static nsIDOMXULSelectControlElementVTable,
/// This field is a phantomdata to ensure that the VTable type and any
/// struct containing it is not safe to send across threads by default, as
/// XPCOM is generally not threadsafe.
///
/// If this type is marked as [rust_sync], there will be explicit `Send` and
/// `Sync` implementations on this type, which will override the inherited
/// negative impls from `Rc`.
__nosync: ::std::marker::PhantomData<::std::rc::Rc<u8>>,
// Make the rust compiler aware that there might be interior mutability
// in what actually implements the interface. This works around UB
// introduced by https://github.com/llvm/llvm-project/commit/01859da84bad95fd51d6a03b08b60c660e642a4f
// that a rust lint would make blatantly obvious, but doesn't exist.
// This prevents optimizations, but those optimizations weren't available
// before rustc switched to LLVM 16, and they now cause problems because
// of the UB.
// Until there's a lint available to find all our UB, it's simpler to
// avoid the UB in the first place, at the cost of preventing optimizations
// in places that don't cause UB. But again, those optimizations weren't
// available before.
__maybe_interior_mutability: ::std::cell::UnsafeCell<[u8; 0]>,
}
// Implementing XpCom for an interface exposes its IID, which allows for easy
// use of the `.query_interface<T>` helper method. This also defines that
// method for nsIDOMXULSelectControlElement.
unsafe impl XpCom for nsIDOMXULSelectControlElement {
const IID: nsIID = nsID(0x9bf188a7, 0xd6f9, 0x431b,
[0xb5, 0xc7, 0x11, 0x80, 0x13, 0x99, 0x8e, 0x8b]);
}
// We need to implement the RefCounted trait so we can be used with `RefPtr`.
// This trait teaches `RefPtr` how to manage our memory.
unsafe impl RefCounted for nsIDOMXULSelectControlElement {
#[inline]
unsafe fn addref(&self) {
self.AddRef();
}
#[inline]
unsafe fn release(&self) {
self.Release();
}
}
// This trait is implemented on all types which can be coerced to from nsIDOMXULSelectControlElement.
// It is used in the implementation of `fn coerce<T>`. We hide it from the
// documentation, because it clutters it up a lot.
#[doc(hidden)]
pub trait nsIDOMXULSelectControlElementCoerce {
/// Cheaply cast a value of this type from a `nsIDOMXULSelectControlElement`.
fn coerce_from(v: &nsIDOMXULSelectControlElement) -> &Self;
}
// The trivial implementation: We can obviously coerce ourselves to ourselves.
impl nsIDOMXULSelectControlElementCoerce for nsIDOMXULSelectControlElement {
#[inline]
fn coerce_from(v: &nsIDOMXULSelectControlElement) -> &Self {
v
}
}
impl nsIDOMXULSelectControlElement {
/// Cast this `nsIDOMXULSelectControlElement` to one of its base interfaces.
#[inline]
pub fn coerce<T: nsIDOMXULSelectControlElementCoerce>(&self) -> &T {
T::coerce_from(self)
}
}
// Every interface struct type implements `Deref` to its base interface. This
// causes methods on the base interfaces to be directly avaliable on the
// object. For example, you can call `.AddRef` or `.QueryInterface` directly
// on any interface which inherits from `nsISupports`.
impl ::std::ops::Deref for nsIDOMXULSelectControlElement {
type Target = nsIDOMXULControlElement;
#[inline]
fn deref(&self) -> &nsIDOMXULControlElement {
unsafe {
::std::mem::transmute(self)
}
}
}
// Ensure we can use .coerce() to cast to our base types as well. Any type which
// our base interface can coerce from should be coercable from us as well.
impl<T: nsIDOMXULControlElementCoerce> nsIDOMXULSelectControlElementCoerce for T {
#[inline]
fn coerce_from(v: &nsIDOMXULSelectControlElement) -> &Self {
T::coerce_from(v)
}
}
// This struct represents the interface's VTable. A pointer to a statically
// allocated version of this struct is at the beginning of every nsIDOMXULSelectControlElement
// object. It contains one pointer field for each method in the interface. In
// the case where we can't generate a binding for a method, we include a void
// pointer.
#[doc(hidden)]
#[repr(C)]
pub struct nsIDOMXULSelectControlElementVTable {
/// We need to include the members from the base interface's vtable at the start
/// of the VTable definition.
pub __base: nsIDOMXULControlElementVTable,
/* attribute Element selectedItem; */
pub GetSelectedItem: unsafe extern "system" fn (this: *const nsIDOMXULSelectControlElement, aSelectedItem: *mut *const libc::c_void) -> ::nserror::nsresult,
/* attribute Element selectedItem; */
pub SetSelectedItem: unsafe extern "system" fn (this: *const nsIDOMXULSelectControlElement, aSelectedItem: *const libc::c_void) -> ::nserror::nsresult,
/* attribute long selectedIndex; */
pub GetSelectedIndex: unsafe extern "system" fn (this: *const nsIDOMXULSelectControlElement, aSelectedIndex: *mut i32) -> ::nserror::nsresult,
/* attribute long selectedIndex; */
pub SetSelectedIndex: unsafe extern "system" fn (this: *const nsIDOMXULSelectControlElement, aSelectedIndex: i32) -> ::nserror::nsresult,
/* attribute AString value; */
pub GetValue: unsafe extern "system" fn (this: *const nsIDOMXULSelectControlElement, aValue: *mut ::nsstring::nsAString) -> ::nserror::nsresult,
/* attribute AString value; */
pub SetValue: unsafe extern "system" fn (this: *const nsIDOMXULSelectControlElement, aValue: *const ::nsstring::nsAString) -> ::nserror::nsresult,
/* readonly attribute unsigned long itemCount; */
pub GetItemCount: unsafe extern "system" fn (this: *const nsIDOMXULSelectControlElement, aItemCount: *mut u32) -> ::nserror::nsresult,
/* long getIndexOfItem (in nsIDOMXULSelectControlItemElement item); */
pub GetIndexOfItem: unsafe extern "system" fn (this: *const nsIDOMXULSelectControlElement, item: *const nsIDOMXULSelectControlItemElement, _retval: *mut i32) -> ::nserror::nsresult,
/* Element getItemAtIndex (in long index); */
pub GetItemAtIndex: unsafe extern "system" fn (this: *const nsIDOMXULSelectControlElement, index: i32, _retval: *mut *const libc::c_void) -> ::nserror::nsresult,
}
// The implementations of the function wrappers which are exposed to rust code.
// Call these methods rather than manually calling through the VTable struct.
impl nsIDOMXULSelectControlElement {
/// `attribute Element selectedItem;`
#[inline]
pub unsafe fn GetSelectedItem(&self, aSelectedItem: *mut *const libc::c_void) -> ::nserror::nsresult {
((*self.vtable).GetSelectedItem)(self, aSelectedItem)
}
/// `attribute Element selectedItem;`
#[inline]
pub unsafe fn SetSelectedItem(&self, aSelectedItem: *const libc::c_void) -> ::nserror::nsresult {
((*self.vtable).SetSelectedItem)(self, aSelectedItem)
}
/// `attribute long selectedIndex;`
#[inline]
pub unsafe fn GetSelectedIndex(&self, aSelectedIndex: *mut i32) -> ::nserror::nsresult {
((*self.vtable).GetSelectedIndex)(self, aSelectedIndex)
}
/// `attribute long selectedIndex;`
#[inline]
pub unsafe fn SetSelectedIndex(&self, aSelectedIndex: i32) -> ::nserror::nsresult {
((*self.vtable).SetSelectedIndex)(self, aSelectedIndex)
}
/// `attribute AString value;`
#[inline]
pub unsafe fn GetValue(&self, aValue: *mut ::nsstring::nsAString) -> ::nserror::nsresult {
((*self.vtable).GetValue)(self, aValue)
}
/// `attribute AString value;`
#[inline]
pub unsafe fn SetValue(&self, aValue: *const ::nsstring::nsAString) -> ::nserror::nsresult {
((*self.vtable).SetValue)(self, aValue)
}
/// `readonly attribute unsigned long itemCount;`
#[inline]
pub unsafe fn GetItemCount(&self, aItemCount: *mut u32) -> ::nserror::nsresult {
((*self.vtable).GetItemCount)(self, aItemCount)
}
/// `long getIndexOfItem (in nsIDOMXULSelectControlItemElement item);`
#[inline]
pub unsafe fn GetIndexOfItem(&self, item: *const nsIDOMXULSelectControlItemElement, _retval: *mut i32) -> ::nserror::nsresult {
((*self.vtable).GetIndexOfItem)(self, item, _retval)
}
/// `Element getItemAtIndex (in long index);`
#[inline]
pub unsafe fn GetItemAtIndex(&self, index: i32, _retval: *mut *const libc::c_void) -> ::nserror::nsresult {
((*self.vtable).GetItemAtIndex)(self, index, _retval)
}
}