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//
// DO NOT EDIT. THIS FILE IS GENERATED FROM $SRCDIR/layout/base/nsIStyleSheetService.idl
//
/// `interface nsIStyleSheetService : nsISupports`
///
// 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 nsIStyleSheetService {
vtable: &'static nsIStyleSheetServiceVTable,
/// 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 nsIStyleSheetService.
unsafe impl XpCom for nsIStyleSheetService {
const IID: nsIID = nsID(0x4de68896, 0xe8eb, 0x41de,
[0x82, 0x37, 0xa7, 0x97, 0xb5, 0x70, 0xac, 0x4a]);
}
// 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 nsIStyleSheetService {
#[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 nsIStyleSheetService.
// 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 nsIStyleSheetServiceCoerce {
/// Cheaply cast a value of this type from a `nsIStyleSheetService`.
fn coerce_from(v: &nsIStyleSheetService) -> &Self;
}
// The trivial implementation: We can obviously coerce ourselves to ourselves.
impl nsIStyleSheetServiceCoerce for nsIStyleSheetService {
#[inline]
fn coerce_from(v: &nsIStyleSheetService) -> &Self {
v
}
}
impl nsIStyleSheetService {
/// Cast this `nsIStyleSheetService` to one of its base interfaces.
#[inline]
pub fn coerce<T: nsIStyleSheetServiceCoerce>(&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 nsIStyleSheetService {
type Target = nsISupports;
#[inline]
fn deref(&self) -> &nsISupports {
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: nsISupportsCoerce> nsIStyleSheetServiceCoerce for T {
#[inline]
fn coerce_from(v: &nsIStyleSheetService) -> &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 nsIStyleSheetService
// 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 nsIStyleSheetServiceVTable {
/// We need to include the members from the base interface's vtable at the start
/// of the VTable definition.
pub __base: nsISupportsVTable,
/* void loadAndRegisterSheet (in nsIURI sheetURI, in unsigned long type); */
pub LoadAndRegisterSheet: unsafe extern "system" fn (this: *const nsIStyleSheetService, sheetURI: *const nsIURI, type_: u32) -> ::nserror::nsresult,
/* boolean sheetRegistered (in nsIURI sheetURI, in unsigned long type); */
pub SheetRegistered: unsafe extern "system" fn (this: *const nsIStyleSheetService, sheetURI: *const nsIURI, type_: u32, _retval: *mut bool) -> ::nserror::nsresult,
/* nsIPreloadedStyleSheet preloadSheet (in nsIURI sheetURI, in unsigned long type); */
pub PreloadSheet: unsafe extern "system" fn (this: *const nsIStyleSheetService, sheetURI: *const nsIURI, type_: u32, _retval: *mut*const nsIPreloadedStyleSheet) -> ::nserror::nsresult,
/* [implicit_jscontext] jsval preloadSheetAsync (in nsIURI sheetURI, in unsigned long type); */
/// Unable to generate binding because `jscontext is unsupported`
pub PreloadSheetAsync: *const ::libc::c_void,
/* void unregisterSheet (in nsIURI sheetURI, in unsigned long type); */
pub UnregisterSheet: unsafe extern "system" fn (this: *const nsIStyleSheetService, sheetURI: *const nsIURI, type_: u32) -> ::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 nsIStyleSheetService {
pub const AGENT_SHEET: u32 = 0;
pub const USER_SHEET: u32 = 1;
pub const AUTHOR_SHEET: u32 = 2;
/// ```text
/// /**
/// * Synchronously loads a style sheet from |sheetURI| and adds it to the list
/// * of user or agent style sheets.
/// *
/// * A user sheet loaded via this API will come before userContent.css and
/// * userChrome.css in the cascade (so the rules in it will have lower
/// * precedence than rules in those sheets).
/// *
/// * An agent sheet loaded via this API will come after ua.css in the cascade
/// * (so the rules in it will have higher precedence than rules in ua.css).
/// *
/// * The relative ordering of two user or two agent sheets loaded via
/// * this API is undefined.
/// *
/// * Sheets added via this API take effect on all documents, including
/// * already-loaded ones, immediately.
/// */
/// ```
///
/// `void loadAndRegisterSheet (in nsIURI sheetURI, in unsigned long type);`
#[inline]
pub unsafe fn LoadAndRegisterSheet(&self, sheetURI: *const nsIURI, type_: u32) -> ::nserror::nsresult {
((*self.vtable).LoadAndRegisterSheet)(self, sheetURI, type_)
}
/// ```text
/// /**
/// * Returns true if a style sheet at |sheetURI| has previously been
/// * added to the list of style sheets specified by |type|.
/// */
/// ```
///
/// `boolean sheetRegistered (in nsIURI sheetURI, in unsigned long type);`
#[inline]
pub unsafe fn SheetRegistered(&self, sheetURI: *const nsIURI, type_: u32, _retval: *mut bool) -> ::nserror::nsresult {
((*self.vtable).SheetRegistered)(self, sheetURI, type_, _retval)
}
/// ```text
/// /**
/// * Synchronously loads a style sheet from |sheetURI| and returns the
/// * new style sheet object. Can be used with nsIDOMWindowUtils.addSheet.
/// */
/// ```
///
/// `nsIPreloadedStyleSheet preloadSheet (in nsIURI sheetURI, in unsigned long type);`
#[inline]
pub unsafe fn PreloadSheet(&self, sheetURI: *const nsIURI, type_: u32, _retval: *mut*const nsIPreloadedStyleSheet) -> ::nserror::nsresult {
((*self.vtable).PreloadSheet)(self, sheetURI, type_, _retval)
}
/// ```text
/// /**
/// * Asynchronously loads a style sheet from |sheetURI| and returns a Promise
/// * which resolves to the new style sheet object, which can be used with
/// * nsIDOMWindowUtils.addSheet, when it has completed loading.
/// */
/// ```
///
/// `[implicit_jscontext] jsval preloadSheetAsync (in nsIURI sheetURI, in unsigned long type);`
const _PreloadSheetAsync: () = ();
/// ```text
/// /**
/// * Remove the style sheet at |sheetURI| from the list of style sheets
/// * specified by |type|. The removal takes effect immediately, even for
/// * already-loaded documents.
/// */
/// ```
///
/// `void unregisterSheet (in nsIURI sheetURI, in unsigned long type);`
#[inline]
pub unsafe fn UnregisterSheet(&self, sheetURI: *const nsIURI, type_: u32) -> ::nserror::nsresult {
((*self.vtable).UnregisterSheet)(self, sheetURI, type_)
}
}