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//
// DO NOT EDIT.  THIS FILE IS GENERATED FROM ../../../dist/idl/nsIAccessibleStateChangeEvent.idl
//


/// `interface nsIAccessibleStateChangeEvent : nsIAccessibleEvent`
///

/// ```text
/// /**
///  * Fired when a state of an accessible changes.
///  */
/// ```
///

// 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 nsIAccessibleStateChangeEvent {
    vtable: *const nsIAccessibleStateChangeEventVTable,

    /// This field is a phantomdata to ensure that the VTable type and any
    /// struct containing it is not safe to send across threads, as XPCOM is
    /// generally not threadsafe.
    ///
    /// XPCOM interfaces in general are not safe to send across threads.
    __nosync: ::std::marker::PhantomData<::std::rc::Rc<u8>>,
}

// 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 nsIAccessibleStateChangeEvent.
unsafe impl XpCom for nsIAccessibleStateChangeEvent {
    const IID: nsIID = nsID(0x58b74954, 0x1835, 0x46ed,
        [0x9c, 0xcd, 0xc9, 0x06, 0x49, 0x01, 0x06, 0xf6]);
}

// 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 nsIAccessibleStateChangeEvent {
    #[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 nsIAccessibleStateChangeEvent.
// 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 nsIAccessibleStateChangeEventCoerce {
    /// Cheaply cast a value of this type from a `nsIAccessibleStateChangeEvent`.
    fn coerce_from(v: &nsIAccessibleStateChangeEvent) -> &Self;
}

// The trivial implementation: We can obviously coerce ourselves to ourselves.
impl nsIAccessibleStateChangeEventCoerce for nsIAccessibleStateChangeEvent {
    #[inline]
    fn coerce_from(v: &nsIAccessibleStateChangeEvent) -> &Self {
        v
    }
}

impl nsIAccessibleStateChangeEvent {
    /// Cast this `nsIAccessibleStateChangeEvent` to one of its base interfaces.
    #[inline]
    pub fn coerce<T: nsIAccessibleStateChangeEventCoerce>(&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 nsIAccessibleStateChangeEvent {
    type Target = nsIAccessibleEvent;
    #[inline]
    fn deref(&self) -> &nsIAccessibleEvent {
        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: nsIAccessibleEventCoerce> nsIAccessibleStateChangeEventCoerce for T {
    #[inline]
    fn coerce_from(v: &nsIAccessibleStateChangeEvent) -> &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 nsIAccessibleStateChangeEvent
// 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 nsIAccessibleStateChangeEventVTable {
    /// We need to include the members from the base interface's vtable at the start
    /// of the VTable definition.
    pub __base: nsIAccessibleEventVTable,

    /* readonly attribute unsigned long state; */
    pub GetState: unsafe extern "system" fn (this: *const nsIAccessibleStateChangeEvent, aState: *mut libc::uint32_t) -> nsresult,

    /* readonly attribute boolean isExtraState; */
    pub GetIsExtraState: unsafe extern "system" fn (this: *const nsIAccessibleStateChangeEvent, aIsExtraState: *mut bool) -> nsresult,

    /* readonly attribute boolean isEnabled; */
    pub GetIsEnabled: unsafe extern "system" fn (this: *const nsIAccessibleStateChangeEvent, aIsEnabled: *mut bool) -> 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 nsIAccessibleStateChangeEvent {

    /// ```text
    /// /**
    ///    * Returns the state of accessible (see constants declared
        ///    * in nsIAccessibleStates).
    ///    */
    /// ```
    ///

    /// `readonly attribute unsigned long state;`
    #[inline]
    pub unsafe fn GetState(&self, aState: *mut libc::uint32_t) -> nsresult {
        ((*self.vtable).GetState)(self, aState)
    }


    /// ```text
    /// /**
    ///    * Returns true if the state is extra state.
    ///    */
    /// ```
    ///

    /// `readonly attribute boolean isExtraState;`
    #[inline]
    pub unsafe fn GetIsExtraState(&self, aIsExtraState: *mut bool) -> nsresult {
        ((*self.vtable).GetIsExtraState)(self, aIsExtraState)
    }


    /// ```text
    /// /**
    ///    * Returns true if the state is turned on.
    ///    */
    /// ```
    ///

    /// `readonly attribute boolean isEnabled;`
    #[inline]
    pub unsafe fn GetIsEnabled(&self, aIsEnabled: *mut bool) -> nsresult {
        ((*self.vtable).GetIsEnabled)(self, aIsEnabled)
    }


}