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//
// DO NOT EDIT. THIS FILE IS GENERATED FROM $SRCDIR/dom/simpledb/nsISDBConnection.idl
//
/// `interface nsISDBConnection : 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 nsISDBConnection {
vtable: &'static nsISDBConnectionVTable,
/// 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 nsISDBConnection.
unsafe impl XpCom for nsISDBConnection {
const IID: nsIID = nsID(0xea420fdd, 0x548f, 0x44f9,
[0x92, 0x86, 0x59, 0xaa, 0xd6, 0xa4, 0x0f, 0x01]);
}
// 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 nsISDBConnection {
#[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 nsISDBConnection.
// 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 nsISDBConnectionCoerce {
/// Cheaply cast a value of this type from a `nsISDBConnection`.
fn coerce_from(v: &nsISDBConnection) -> &Self;
}
// The trivial implementation: We can obviously coerce ourselves to ourselves.
impl nsISDBConnectionCoerce for nsISDBConnection {
#[inline]
fn coerce_from(v: &nsISDBConnection) -> &Self {
v
}
}
impl nsISDBConnection {
/// Cast this `nsISDBConnection` to one of its base interfaces.
#[inline]
pub fn coerce<T: nsISDBConnectionCoerce>(&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 nsISDBConnection {
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> nsISDBConnectionCoerce for T {
#[inline]
fn coerce_from(v: &nsISDBConnection) -> &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 nsISDBConnection
// 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 nsISDBConnectionVTable {
/// We need to include the members from the base interface's vtable at the start
/// of the VTable definition.
pub __base: nsISupportsVTable,
/* [must_use] void init (in nsIPrincipal aPrincipal, [optional] in ACString aPersistenceType); */
pub Init: unsafe extern "system" fn (this: *const nsISDBConnection, aPrincipal: *const nsIPrincipal, aPersistenceType: *const ::nsstring::nsACString) -> ::nserror::nsresult,
/* [must_use] nsISDBRequest open (in AString aName); */
pub Open: unsafe extern "system" fn (this: *const nsISDBConnection, aName: *const ::nsstring::nsAString, _retval: *mut*const nsISDBRequest) -> ::nserror::nsresult,
/* [must_use] nsISDBRequest seek (in unsigned long long offset); */
pub Seek: unsafe extern "system" fn (this: *const nsISDBConnection, offset: u64, _retval: *mut*const nsISDBRequest) -> ::nserror::nsresult,
/* [must_use] nsISDBRequest read (in unsigned long long size); */
pub Read: unsafe extern "system" fn (this: *const nsISDBConnection, size: u64, _retval: *mut*const nsISDBRequest) -> ::nserror::nsresult,
/* [implicit_jscontext,must_use] nsISDBRequest write (in jsval value); */
/// Unable to generate binding because `special type jsval unsupported`
pub Write: *const ::libc::c_void,
/* [must_use] nsISDBRequest close (); */
pub Close: unsafe extern "system" fn (this: *const nsISDBConnection, _retval: *mut*const nsISDBRequest) -> ::nserror::nsresult,
/* attribute nsISDBCloseCallback closeCallback; */
pub GetCloseCallback: unsafe extern "system" fn (this: *const nsISDBConnection, aCloseCallback: *mut*const nsISDBCloseCallback) -> ::nserror::nsresult,
/* attribute nsISDBCloseCallback closeCallback; */
pub SetCloseCallback: unsafe extern "system" fn (this: *const nsISDBConnection, aCloseCallback: *const nsISDBCloseCallback) -> ::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 nsISDBConnection {
/// `[must_use] void init (in nsIPrincipal aPrincipal, [optional] in ACString aPersistenceType);`
#[inline]
pub unsafe fn Init(&self, aPrincipal: *const nsIPrincipal, aPersistenceType: *const ::nsstring::nsACString) -> ::nserror::nsresult {
((*self.vtable).Init)(self, aPrincipal, aPersistenceType)
}
/// `[must_use] nsISDBRequest open (in AString aName);`
#[inline]
pub unsafe fn Open(&self, aName: *const ::nsstring::nsAString, _retval: *mut*const nsISDBRequest) -> ::nserror::nsresult {
((*self.vtable).Open)(self, aName, _retval)
}
/// `[must_use] nsISDBRequest seek (in unsigned long long offset);`
#[inline]
pub unsafe fn Seek(&self, offset: u64, _retval: *mut*const nsISDBRequest) -> ::nserror::nsresult {
((*self.vtable).Seek)(self, offset, _retval)
}
/// `[must_use] nsISDBRequest read (in unsigned long long size);`
#[inline]
pub unsafe fn Read(&self, size: u64, _retval: *mut*const nsISDBRequest) -> ::nserror::nsresult {
((*self.vtable).Read)(self, size, _retval)
}
/// `[implicit_jscontext,must_use] nsISDBRequest write (in jsval value);`
const _Write: () = ();
/// `[must_use] nsISDBRequest close ();`
#[inline]
pub unsafe fn Close(&self, _retval: *mut*const nsISDBRequest) -> ::nserror::nsresult {
((*self.vtable).Close)(self, _retval)
}
/// `attribute nsISDBCloseCallback closeCallback;`
#[inline]
pub unsafe fn GetCloseCallback(&self, aCloseCallback: *mut*const nsISDBCloseCallback) -> ::nserror::nsresult {
((*self.vtable).GetCloseCallback)(self, aCloseCallback)
}
/// `attribute nsISDBCloseCallback closeCallback;`
#[inline]
pub unsafe fn SetCloseCallback(&self, aCloseCallback: *const nsISDBCloseCallback) -> ::nserror::nsresult {
((*self.vtable).SetCloseCallback)(self, aCloseCallback)
}
}