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


/// `interface nsIWebBrowserPersistable : nsISupports`
///

/// ```text
/// /**
///  * Interface for objects which represent a document that can be
///  * serialized with nsIWebBrowserPersist.  This interface is
///  * asynchronous because the actual document can be in another process
///  * (e.g., if this object is an nsFrameLoader for an out-of-process
    ///  * frame).
///  *
///  * Warning: this is currently implemented only by nsFrameLoader, and
///  * may change in the future to become more frame-loader-specific or be
///  * merged into nsIFrameLoader.  See bug 1101100 comment #34.
///  *
///  * @see nsIWebBrowserPersistDocumentReceiver
///  * @see nsIWebBrowserPersistDocument
///  * @see nsIWebBrowserPersist
///  *
///  * @param aOuterWindowID
///  *        The outer window ID of the subframe we'd like to persist.
///  *        If set at 0, nsIWebBrowserPersistable will attempt to persist
///  *        the top-level document. If the outer window ID is for a subframe
///  *        that does not exist, or is not held beneath the nsIWebBrowserPersistable,
///  *        aRecv's onError method will be called with NS_ERROR_NO_CONTENT.
///  * @param aRecv
///  *        The nsIWebBrowserPersistDocumentReceiver is a callback that
///  *        will be fired once the document is ready for persisting.
///  */
/// ```
///

// 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 nsIWebBrowserPersistable {
    vtable: *const nsIWebBrowserPersistableVTable,

    /// 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 nsIWebBrowserPersistable.
unsafe impl XpCom for nsIWebBrowserPersistable {
    const IID: nsIID = nsID(0xf4c3fa8e, 0x83e9, 0x49f8,
        [0xac, 0x6f, 0x95, 0x1f, 0xc7, 0x54, 0x1f, 0xe4]);
}

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

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

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

    /* void startPersistence (in unsigned long long aOuterWindowID, in nsIWebBrowserPersistDocumentReceiver aRecv); */
    pub StartPersistence: unsafe extern "system" fn (this: *const nsIWebBrowserPersistable, aOuterWindowID: libc::uint64_t, aRecv: *const nsIWebBrowserPersistDocumentReceiver) -> 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 nsIWebBrowserPersistable {


    /// `void startPersistence (in unsigned long long aOuterWindowID, in nsIWebBrowserPersistDocumentReceiver aRecv);`
    #[inline]
    pub unsafe fn StartPersistence(&self, aOuterWindowID: libc::uint64_t, aRecv: *const nsIWebBrowserPersistDocumentReceiver) -> nsresult {
        ((*self.vtable).StartPersistence)(self, aOuterWindowID, aRecv)
    }


}