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


/// `interface nsIMultiplexInputStream : nsISupports`
///

/// ```text
/// /**
///  * The multiplex stream concatenates a list of input streams into a single
///  * stream.
///  */
/// ```
///

// 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 nsIMultiplexInputStream {
    vtable: *const nsIMultiplexInputStreamVTable,

    /// 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 nsIMultiplexInputStream.
unsafe impl XpCom for nsIMultiplexInputStream {
    const IID: nsIID = nsID(0xa076fd12, 0x1dd1, 0x11b2,
        [0xb1, 0x9a, 0xd5, 0x3b, 0x5d, 0xff, 0xaa, 0xde]);
}

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

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

impl nsIMultiplexInputStream {
    /// Cast this `nsIMultiplexInputStream` to one of its base interfaces.
    #[inline]
    pub fn coerce<T: nsIMultiplexInputStreamCoerce>(&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 nsIMultiplexInputStream {
    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> nsIMultiplexInputStreamCoerce for T {
    #[inline]
    fn coerce_from(v: &nsIMultiplexInputStream) -> &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 nsIMultiplexInputStream
// 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 nsIMultiplexInputStreamVTable {
    /// We need to include the members from the base interface's vtable at the start
    /// of the VTable definition.
    pub __base: nsISupportsVTable,

    /* readonly attribute unsigned long count; */
    pub GetCount: unsafe extern "system" fn (this: *const nsIMultiplexInputStream, aCount: *mut libc::uint32_t) -> nsresult,

    /* void appendStream (in nsIInputStream stream); */
    pub AppendStream: unsafe extern "system" fn (this: *const nsIMultiplexInputStream, stream: *const nsIInputStream) -> nsresult,

    /* nsIInputStream getStream (in unsigned long index); */
    pub GetStream: unsafe extern "system" fn (this: *const nsIMultiplexInputStream, index: libc::uint32_t, _retval: *mut *const nsIInputStream) -> 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 nsIMultiplexInputStream {

    /// ```text
    /// /**
    ///      * Number of streams in this multiplex-stream
    ///      */
    /// ```
    ///

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


    /// ```text
    /// /**
    ///      * Appends a stream to the end of the streams. The cursor of the stream
    ///      * should be located at the beginning of the stream if the implementation
    ///      * of this nsIMultiplexInputStream also is used as an nsISeekableStream.
    ///      * @param stream  stream to append
    ///      */
    /// ```
    ///

    /// `void appendStream (in nsIInputStream stream);`
    #[inline]
    pub unsafe fn AppendStream(&self, stream: *const nsIInputStream) -> nsresult {
        ((*self.vtable).AppendStream)(self, stream)
    }


    /// ```text
    /// /**
    ///      * Get stream at specified index.
    ///      * @param index   return stream at this index, must be < count
    ///      * @return        stream at specified index
    ///      */
    /// ```
    ///

    /// `nsIInputStream getStream (in unsigned long index);`
    #[inline]
    pub unsafe fn GetStream(&self, index: libc::uint32_t, _retval: *mut *const nsIInputStream) -> nsresult {
        ((*self.vtable).GetStream)(self, index, _retval)
    }


}