Copy as Markdown
Other Tools
//
// DO NOT EDIT.  THIS FILE IS GENERATED FROM $SRCDIR/dom/media/gmp/mozIGeckoMediaPluginService.idl
//
/// `interface mozIGeckoMediaPluginService : 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 mozIGeckoMediaPluginService {
    vtable: &'static mozIGeckoMediaPluginServiceVTable,
    /// 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 mozIGeckoMediaPluginService.
unsafe impl XpCom for mozIGeckoMediaPluginService {
    const IID: nsIID = nsID(0x44d362ae, 0x937a, 0x4803,
        [0xbe, 0xe6, 0xf2, 0x51, 0x2a, 0x01, 0x49, 0xd1]);
}
// 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 mozIGeckoMediaPluginService {
    #[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 mozIGeckoMediaPluginService.
// 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 mozIGeckoMediaPluginServiceCoerce {
    /// Cheaply cast a value of this type from a `mozIGeckoMediaPluginService`.
    fn coerce_from(v: &mozIGeckoMediaPluginService) -> &Self;
}
// The trivial implementation: We can obviously coerce ourselves to ourselves.
impl mozIGeckoMediaPluginServiceCoerce for mozIGeckoMediaPluginService {
    #[inline]
    fn coerce_from(v: &mozIGeckoMediaPluginService) -> &Self {
        v
    }
}
impl mozIGeckoMediaPluginService {
    /// Cast this `mozIGeckoMediaPluginService` to one of its base interfaces.
    #[inline]
    pub fn coerce<T: mozIGeckoMediaPluginServiceCoerce>(&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 mozIGeckoMediaPluginService {
    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> mozIGeckoMediaPluginServiceCoerce for T {
    #[inline]
    fn coerce_from(v: &mozIGeckoMediaPluginService) -> &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 mozIGeckoMediaPluginService
// 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 mozIGeckoMediaPluginServiceVTable {
    /// We need to include the members from the base interface's vtable at the start
    /// of the VTable definition.
    pub __base: nsISupportsVTable,
    /* readonly attribute nsIThread thread; */
    pub GetThread: unsafe extern "system" fn (this: *const mozIGeckoMediaPluginService, aThread: *mut *const nsIThread) -> ::nserror::nsresult,
    /* void RunPluginCrashCallbacks (in unsigned long pluginId, in ACString pluginName); */
    pub RunPluginCrashCallbacks: unsafe extern "system" fn (this: *const mozIGeckoMediaPluginService, pluginId: u32, pluginName: *const ::nsstring::nsACString) -> ::nserror::nsresult,
    /* [noscript] boolean hasPluginForAPI (in ACString api, in ConstTagArrayRef tags); */
    /// Unable to generate binding because `native type const nsTArray<nsCString> unsupported`
    pub HasPluginForAPI: *const ::libc::c_void,
    /* [noscript] nsIFile findPluginDirectoryForAPI (in ACString api, in ConstTagArrayRef tags); */
    /// Unable to generate binding because `native type const nsTArray<nsCString> unsupported`
    pub FindPluginDirectoryForAPI: *const ::libc::c_void,
    /* [noscript] void getGMPVideoDecoder (in GMPCrashHelperPtr helper, in TagArray tags, [optional] in ACString nodeId, in GetGMPVideoDecoderCallback callback); */
    /// Unable to generate binding because `Rust only supports [ref] / [ptr] native types`
    pub GetGMPVideoDecoder: *const ::libc::c_void,
    /* [noscript] void getGMPVideoEncoder (in GMPCrashHelperPtr helper, in TagArray tags, [optional] in ACString nodeId, in GetGMPVideoEncoderCallback callback); */
    /// Unable to generate binding because `Rust only supports [ref] / [ptr] native types`
    pub GetGMPVideoEncoder: *const ::libc::c_void,
    /* [noscript] void getNodeId (in AString origin, in AString topLevelOrigin, in AString gmpName, in GetNodeIdCallback callback); */
    /// Unable to generate binding because `Rust only supports [ref] / [ptr] native types`
    pub GetNodeId: *const ::libc::c_void,
}
// The implementations of the function wrappers which are exposed to rust code.
// Call these methods rather than manually calling through the VTable struct.
impl mozIGeckoMediaPluginService {
    /// ```text
    /// /**
    ///    * The GMP thread. Callable from any thread.
    ///    */
    /// ```
    ///
    /// `readonly attribute nsIThread thread;`
    #[inline]
    pub unsafe fn GetThread(&self, aThread: *mut *const nsIThread) -> ::nserror::nsresult {
        ((*self.vtable).GetThread)(self, aThread)
    }
    /// ```text
    /// /**
    ///    * Run through windows registered registered for pluginId, sending
    ///    * 'PluginCrashed' chrome-only event
    ///    */
    /// ```
    ///
    /// `void RunPluginCrashCallbacks (in unsigned long pluginId, in ACString pluginName);`
    #[inline]
    pub unsafe fn RunPluginCrashCallbacks(&self, pluginId: u32, pluginName: *const ::nsstring::nsACString) -> ::nserror::nsresult {
        ((*self.vtable).RunPluginCrashCallbacks)(self, pluginId, pluginName)
    }
    /// ```text
    /// /**
    ///    * Get a plugin that supports the specified tags.
    ///    * Callable on any thread
    ///    */
    /// ```
    ///
    /// `[noscript] boolean hasPluginForAPI (in ACString api, in ConstTagArrayRef tags);`
    const _HasPluginForAPI: () = ();
    /// ```text
    /// /**
    ///    * Get the plugin directory for a plugin that supports the specified tags.
    ///    * Callable on any thread
    ///    */
    /// ```
    ///
    /// `[noscript] nsIFile findPluginDirectoryForAPI (in ACString api, in ConstTagArrayRef tags);`
    const _FindPluginDirectoryForAPI: () = ();
    /// ```text
    /// /**
    ///    * Get a video decoder that supports the specified tags.
    ///    * The array of tags should at least contain a codec tag, and optionally
    ///    * other tags such as for EME keysystem.
    ///    * Callable only on GMP thread.
    ///    * This is an asynchronous operation, the Done method of the callback object
    ///    * will be called on the GMP thread with the result (which might be null in
        ///    * the case of failure). This method always takes ownership of the callback
    ///    * object, but if this method returns an error then the Done method of the
    ///    * callback object will not be called at all.
    ///    */
    /// ```
    ///
    /// `[noscript] void getGMPVideoDecoder (in GMPCrashHelperPtr helper, in TagArray tags, [optional] in ACString nodeId, in GetGMPVideoDecoderCallback callback);`
    const _GetGMPVideoDecoder: () = ();
    /// ```text
    /// /**
    ///    * Get a video encoder that supports the specified tags.
    ///    * The array of tags should at least contain a codec tag, and optionally
    ///    * other tags.
    ///    * Callable only on GMP thread.
    ///    * This is an asynchronous operation, the Done method of the callback object
    ///    * will be called on the GMP thread with the result (which might be null in
        ///    * the case of failure). This method always takes ownership of the callback
    ///    * object, but if this method returns an error then the Done method of the
    ///    * callback object will not be called at all.
    ///    */
    /// ```
    ///
    /// `[noscript] void getGMPVideoEncoder (in GMPCrashHelperPtr helper, in TagArray tags, [optional] in ACString nodeId, in GetGMPVideoEncoderCallback callback);`
    const _GetGMPVideoEncoder: () = ();
    /// ```text
    /// /**
    ///    * Gets the NodeId for a (origin, urlbarOrigin) pair.
    ///    */
    /// ```
    ///
    /// `[noscript] void getNodeId (in AString origin, in AString topLevelOrigin, in AString gmpName, in GetNodeIdCallback callback);`
    const _GetNodeId: () = ();
}