Copy as Markdown

Other Tools

//
// DO NOT EDIT. THIS FILE IS GENERATED FROM $SRCDIR/toolkit/components/xulstore/nsIXULStore.idl
//
/// `interface nsIXULStore : nsISupports`
///
/// ```text
/// /**
/// * The XUL store is used to store information related to a XUL document/application.
/// * Typically it is used to store the persisted state for the document, such as
/// * window location, toolbars that are open and nodes that are open and closed in a tree.
/// *
/// * The data is serialized to [profile directory]/xulstore.json
/// */
/// ```
///
// 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 nsIXULStore {
vtable: &'static nsIXULStoreVTable,
/// 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
// 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 nsIXULStore.
unsafe impl XpCom for nsIXULStore {
const IID: nsIID = nsID(0x987c4b35, 0xc426, 0x4dd7,
[0xad, 0x49, 0x3c, 0x9f, 0xa4, 0xc6, 0x5d, 0x20]);
}
// 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 nsIXULStore {
#[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 nsIXULStore.
// 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 nsIXULStoreCoerce {
/// Cheaply cast a value of this type from a `nsIXULStore`.
fn coerce_from(v: &nsIXULStore) -> &Self;
}
// The trivial implementation: We can obviously coerce ourselves to ourselves.
impl nsIXULStoreCoerce for nsIXULStore {
#[inline]
fn coerce_from(v: &nsIXULStore) -> &Self {
v
}
}
impl nsIXULStore {
/// Cast this `nsIXULStore` to one of its base interfaces.
#[inline]
pub fn coerce<T: nsIXULStoreCoerce>(&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 nsIXULStore {
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> nsIXULStoreCoerce for T {
#[inline]
fn coerce_from(v: &nsIXULStore) -> &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 nsIXULStore
// 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 nsIXULStoreVTable {
/// We need to include the members from the base interface's vtable at the start
/// of the VTable definition.
pub __base: nsISupportsVTable,
/* void persist (in Node aNode, in AString attr); */
pub Persist: unsafe extern "system" fn (this: *const nsIXULStore, aNode: *const libc::c_void, attr: *const ::nsstring::nsAString) -> ::nserror::nsresult,
/* void setValue (in AString doc, in AString id, in AString attr, in AString value); */
pub SetValue: unsafe extern "system" fn (this: *const nsIXULStore, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, attr: *const ::nsstring::nsAString, value: *const ::nsstring::nsAString) -> ::nserror::nsresult,
/* boolean hasValue (in AString doc, in AString id, in AString attr); */
pub HasValue: unsafe extern "system" fn (this: *const nsIXULStore, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, attr: *const ::nsstring::nsAString, _retval: *mut bool) -> ::nserror::nsresult,
/* AString getValue (in AString doc, in AString id, in AString attr); */
pub GetValue: unsafe extern "system" fn (this: *const nsIXULStore, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, attr: *const ::nsstring::nsAString, _retval: *mut ::nsstring::nsAString) -> ::nserror::nsresult,
/* void removeValue (in AString doc, in AString id, in AString attr); */
pub RemoveValue: unsafe extern "system" fn (this: *const nsIXULStore, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, attr: *const ::nsstring::nsAString) -> ::nserror::nsresult,
/* void removeDocument (in AString doc); */
pub RemoveDocument: unsafe extern "system" fn (this: *const nsIXULStore, doc: *const ::nsstring::nsAString) -> ::nserror::nsresult,
/* nsIStringEnumerator getIDsEnumerator (in AString doc); */
pub GetIDsEnumerator: unsafe extern "system" fn (this: *const nsIXULStore, doc: *const ::nsstring::nsAString, _retval: *mut*const nsIStringEnumerator) -> ::nserror::nsresult,
/* nsIStringEnumerator getAttributeEnumerator (in AString doc, in AString id); */
pub GetAttributeEnumerator: unsafe extern "system" fn (this: *const nsIXULStore, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, _retval: *mut*const nsIStringEnumerator) -> ::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 nsIXULStore {
/// ```text
/// /**
/// * Sets a value for a specified node's attribute, except in
/// * the case below:
/// * If the value is empty and if calling `hasValue` with the node's
/// * document and ID and `attr` would return true, then the
/// * value instead gets removed from the store (see Bug 1476680).
/// *
/// * @param node - DOM node
/// * @param attr - attribute to store
/// */
/// ```
///
/// `void persist (in Node aNode, in AString attr);`
#[inline]
pub unsafe fn Persist(&self, aNode: *const libc::c_void, attr: *const ::nsstring::nsAString) -> ::nserror::nsresult {
((*self.vtable).Persist)(self, aNode, attr)
}
/// ```text
/// /**
/// * Sets a value in the store.
/// *
/// * @param doc - document URI
/// * @param id - identifier of the node
/// * @param attr - attribute to store
/// * @param value - value of the attribute
/// */
/// ```
///
/// `void setValue (in AString doc, in AString id, in AString attr, in AString value);`
#[inline]
pub unsafe fn SetValue(&self, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, attr: *const ::nsstring::nsAString, value: *const ::nsstring::nsAString) -> ::nserror::nsresult {
((*self.vtable).SetValue)(self, doc, id, attr, value)
}
/// ```text
/// /**
/// * Returns true if the store contains a value for attr.
/// *
/// * @param doc - URI of the document
/// * @param id - identifier of the node
/// * @param attr - attribute
/// */
/// ```
///
/// `boolean hasValue (in AString doc, in AString id, in AString attr);`
#[inline]
pub unsafe fn HasValue(&self, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, attr: *const ::nsstring::nsAString, _retval: *mut bool) -> ::nserror::nsresult {
((*self.vtable).HasValue)(self, doc, id, attr, _retval)
}
/// ```text
/// /**
/// * Retrieves a value in the store, or an empty string if it does not exist.
/// *
/// * @param doc - document URI
/// * @param id - identifier of the node
/// * @param attr - attribute to retrieve
/// *
/// * @returns the value of the attribute
/// */
/// ```
///
/// `AString getValue (in AString doc, in AString id, in AString attr);`
#[inline]
pub unsafe fn GetValue(&self, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, attr: *const ::nsstring::nsAString, _retval: *mut ::nsstring::nsAString) -> ::nserror::nsresult {
((*self.vtable).GetValue)(self, doc, id, attr, _retval)
}
/// ```text
/// /**
/// * Removes a value in the store.
/// *
/// * @param doc - document URI
/// * @param id - identifier of the node
/// * @param attr - attribute to remove
/// */
/// ```
///
/// `void removeValue (in AString doc, in AString id, in AString attr);`
#[inline]
pub unsafe fn RemoveValue(&self, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, attr: *const ::nsstring::nsAString) -> ::nserror::nsresult {
((*self.vtable).RemoveValue)(self, doc, id, attr)
}
/// ```text
/// /**
/// * Removes all values related to the given document.
/// *
/// * @param doc - document URI
/// */
/// ```
///
/// `void removeDocument (in AString doc);`
#[inline]
pub unsafe fn RemoveDocument(&self, doc: *const ::nsstring::nsAString) -> ::nserror::nsresult {
((*self.vtable).RemoveDocument)(self, doc)
}
/// ```text
/// /**
/// * Iterates over all of the ids associated with a given document uri that
/// * have stored data.
/// *
/// * @param doc - document URI
/// */
/// ```
///
/// `nsIStringEnumerator getIDsEnumerator (in AString doc);`
#[inline]
pub unsafe fn GetIDsEnumerator(&self, doc: *const ::nsstring::nsAString, _retval: *mut*const nsIStringEnumerator) -> ::nserror::nsresult {
((*self.vtable).GetIDsEnumerator)(self, doc, _retval)
}
/// ```text
/// /**
/// * Iterates over all of the attributes associated with a given document uri
/// * and id that have stored data.
/// *
/// * @param doc - document URI
/// * @param id - identifier of the node
/// */
/// ```
///
/// `nsIStringEnumerator getAttributeEnumerator (in AString doc, in AString id);`
#[inline]
pub unsafe fn GetAttributeEnumerator(&self, doc: *const ::nsstring::nsAString, id: *const ::nsstring::nsAString, _retval: *mut*const nsIStringEnumerator) -> ::nserror::nsresult {
((*self.vtable).GetAttributeEnumerator)(self, doc, id, _retval)
}
}