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


/// `typedef uint32_t  nsContentPolicyType;`
///

/// ```text
/// /**
///  * The type of nsIContentPolicy::TYPE_*
///  */
/// ```
///

pub type nsContentPolicyType = libc::uint32_t;


/// `interface nsIContentPolicy : nsISupports`
///

/// ```text
/// /**
///  * Interface for content policy mechanism.  Implementations of this
///  * interface can be used to control loading of various types of out-of-line
///  * content, or processing of certain types of in-line content.
///  *
///  * WARNING: do not block the caller from shouldLoad or shouldProcess (e.g.,
    ///  * by launching a dialog to prompt the user for something).
///  */
/// ```
///

// 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 nsIContentPolicy {
    vtable: *const nsIContentPolicyVTable,

    /// 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 nsIContentPolicy.
unsafe impl XpCom for nsIContentPolicy {
    const IID: nsIID = nsID(0xcaad4f1f, 0xd047, 0x46ac,
        [0xae, 0x9d, 0xdc, 0x59, 0x8e, 0x4f, 0xb9, 0x1b]);
}

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

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

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

    /* short shouldLoad (in nsContentPolicyType aContentType, in nsIURI aContentLocation, in nsIURI aRequestOrigin, in nsISupports aContext, in ACString aMimeTypeGuess, in nsISupports aExtra, [optional] in nsIPrincipal aRequestPrincipal); */
    pub ShouldLoad: unsafe extern "system" fn (this: *const nsIContentPolicy, aContentType: nsContentPolicyType, aContentLocation: *const nsIURI, aRequestOrigin: *const nsIURI, aContext: *const nsISupports, aMimeTypeGuess: &::nsstring::nsACString, aExtra: *const nsISupports, aRequestPrincipal: *const nsIPrincipal, _retval: *mut libc::int16_t) -> nsresult,

    /* short shouldProcess (in nsContentPolicyType aContentType, in nsIURI aContentLocation, in nsIURI aRequestOrigin, in nsISupports aContext, in ACString aMimeType, in nsISupports aExtra, [optional] in nsIPrincipal aRequestPrincipal); */
    pub ShouldProcess: unsafe extern "system" fn (this: *const nsIContentPolicy, aContentType: nsContentPolicyType, aContentLocation: *const nsIURI, aRequestOrigin: *const nsIURI, aContext: *const nsISupports, aMimeType: &::nsstring::nsACString, aExtra: *const nsISupports, aRequestPrincipal: *const nsIPrincipal, _retval: *mut libc::int16_t) -> 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 nsIContentPolicy {
    /// ```text
    /// /**
    ///    * Indicates a unset or bogus policy type.
    ///    */
    /// ```
    ///

    pub const TYPE_INVALID: i64 = 0;

    /// ```text
    /// /**
    ///    * Gecko/Firefox developers: Avoid using TYPE_OTHER. Especially for
    ///    * requests that are coming from webpages. Or requests in general which
    ///    * you expect that security checks will be done on.
    ///    * Always use a more specific type if one is available. And do not hesitate
    ///    * to add more types as appropriate.
    ///    * But if you are fairly sure that no one would care about your more specific
    ///    * type, then it's ok to use TYPE_OTHER.
    ///    *
    ///    * Extension developers: Whenever it is reasonable, use one of the existing
    ///    * content types. If none of the existing content types are right for
    ///    * something you are doing, file a bug in the Core/DOM component that
    ///    * includes a patch that adds your new content type to the end of the list of
    ///    * TYPE_* constants here. But, don't start using your new content type until
    ///    * your patch has been accepted, because it will be uncertain what exact
    ///    * value and name your new content type will have; in that interim period,
    ///    * use TYPE_OTHER. In your patch, document your new content type in the style
    ///    * of the existing ones. In the bug you file, provide a more detailed
    ///    * description of the new type of content you want Gecko to support, so that
    ///    * the existing implementations of nsIContentPolicy can be properly modified
    ///    * to deal with that new type of content.
    ///    *
    ///    * Implementations of nsIContentPolicy should treat this the same way they
    ///    * treat unknown types, because existing users of TYPE_OTHER may be converted
    ///    * to use new content types.
    ///    *
    ///    * Note that the TYPE_INTERNAL_* constants are never passed to content
    ///    * policy implementations.  They are mapped to other TYPE_* constants, and
    ///    * are only intended for internal usage inside Gecko.
    ///    */
    /// ```
    ///

    pub const TYPE_OTHER: i64 = 1;

    /// ```text
    /// /**
    ///    * Indicates an executable script (such as JavaScript).
    ///    */
    /// ```
    ///

    pub const TYPE_SCRIPT: i64 = 2;

    /// ```text
    /// /**
    ///    * Indicates an image (e.g., IMG elements).
    ///    */
    /// ```
    ///

    pub const TYPE_IMAGE: i64 = 3;

    /// ```text
    /// /**
    ///    * Indicates a stylesheet (e.g., STYLE elements).
    ///    */
    /// ```
    ///

    pub const TYPE_STYLESHEET: i64 = 4;

    /// ```text
    /// /**
    ///    * Indicates a generic object (plugin-handled content typically falls under
        ///    * this category).
    ///    */
    /// ```
    ///

    pub const TYPE_OBJECT: i64 = 5;

    /// ```text
    /// /**
    ///    * Indicates a document at the top-level (i.e., in a browser).
    ///    */
    /// ```
    ///

    pub const TYPE_DOCUMENT: i64 = 6;

    /// ```text
    /// /**
    ///    * Indicates a document contained within another document (e.g., IFRAMEs,
        ///    * FRAMES, and OBJECTs).
    ///    */
    /// ```
    ///

    pub const TYPE_SUBDOCUMENT: i64 = 7;

    /// ```text
    /// /**
    ///    * Indicates a timed refresh.
    ///    *
    ///    * shouldLoad will never get this, because it does not represent content
    ///    * to be loaded (the actual load triggered by the refresh will go through
        ///    * shouldLoad as expected).
    ///    *
    ///    * shouldProcess will get this for, e.g., META Refresh elements and HTTP
    ///    * Refresh headers.
    ///    */
    /// ```
    ///

    pub const TYPE_REFRESH: i64 = 8;

    /// ```text
    /// /**
    ///    * Indicates an XBL binding request, triggered either by -moz-binding CSS
    ///    * property.
    ///    */
    /// ```
    ///

    pub const TYPE_XBL: i64 = 9;

    /// ```text
    /// /**
    ///    * Indicates a ping triggered by a click on <A PING="..."> element.
    ///    */
    /// ```
    ///

    pub const TYPE_PING: i64 = 10;

    /// ```text
    /// /**
    ///    * Indicates an XMLHttpRequest. Also used for document.load and for EventSource.
    ///    */
    /// ```
    ///

    pub const TYPE_XMLHTTPREQUEST: i64 = 11;


    pub const TYPE_DATAREQUEST: i64 = 11;

    /// ```text
    /// /**
    ///    * Indicates a request by a plugin.
    ///    */
    /// ```
    ///

    pub const TYPE_OBJECT_SUBREQUEST: i64 = 12;

    /// ```text
    /// /**
    ///    * Indicates a DTD loaded by an XML document.
    ///    */
    /// ```
    ///

    pub const TYPE_DTD: i64 = 13;

    /// ```text
    /// /**
    ///    * Indicates a font loaded via @font-face rule.
    ///    */
    /// ```
    ///

    pub const TYPE_FONT: i64 = 14;

    /// ```text
    /// /**
    ///    * Indicates a video or audio load.
    ///    */
    /// ```
    ///

    pub const TYPE_MEDIA: i64 = 15;

    /// ```text
    /// /**
    ///    * Indicates a WebSocket load.
    ///    */
    /// ```
    ///

    pub const TYPE_WEBSOCKET: i64 = 16;

    /// ```text
    /// /**
    ///    * Indicates a Content Security Policy report.
    ///    */
    /// ```
    ///

    pub const TYPE_CSP_REPORT: i64 = 17;

    /// ```text
    /// /**
    ///    * Indicates a style sheet transformation.
    ///    */
    /// ```
    ///

    pub const TYPE_XSLT: i64 = 18;

    /// ```text
    /// /**
    ///    * Indicates a beacon post.
    ///    */
    /// ```
    ///

    pub const TYPE_BEACON: i64 = 19;

    /// ```text
    /// /**
    ///    * Indicates a load initiated by the fetch() function from the Fetch
    ///    * specification.
    ///    */
    /// ```
    ///

    pub const TYPE_FETCH: i64 = 20;

    /// ```text
    /// /**
    ///    * Indicates a <img srcset> or <picture> request.
    ///    */
    /// ```
    ///

    pub const TYPE_IMAGESET: i64 = 21;

    /// ```text
    /// /**
    ///    * Indicates a web manifest.
    ///    */
    /// ```
    ///

    pub const TYPE_WEB_MANIFEST: i64 = 22;

    /// ```text
    /// /**
    ///    * Indicates an save-as link download from the front-end code.
    ///    */
    /// ```
    ///

    pub const TYPE_SAVEAS_DOWNLOAD: i64 = 43;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for scripts loaded through script
    ///    * elements.
    ///    *
    ///    * This will be mapped to TYPE_SCRIPT before being passed to content policy
    ///    * implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_SCRIPT: i64 = 23;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for scripts loaded through a dedicated
    ///    * worker.
    ///    *
    ///    * This will be mapped to TYPE_SCRIPT before being passed to content policy
    ///    * implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_WORKER: i64 = 24;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for scripts loaded through a shared
    ///    * worker.
    ///    *
    ///    * This will be mapped to TYPE_SCRIPT before being passed to content policy
    ///    * implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_SHARED_WORKER: i64 = 25;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for content loaded from embed elements.
    ///    *
    ///    * This will be mapped to TYPE_OBJECT.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_EMBED: i64 = 26;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for content loaded from object elements.
    ///    *
    ///    * This will be mapped to TYPE_OBJECT.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_OBJECT: i64 = 27;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for content loaded from frame elements.
    ///    *
    ///    * This will be mapped to TYPE_SUBDOCUMENT.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_FRAME: i64 = 28;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for content loaded from iframe elements.
    ///    *
    ///    * This will be mapped to TYPE_SUBDOCUMENT.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_IFRAME: i64 = 29;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for content loaded from audio elements.
    ///    *
    ///    * This will be mapped to TYPE_MEDIA.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_AUDIO: i64 = 30;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for content loaded from video elements.
    ///    *
    ///    * This will be mapped to TYPE_MEDIA.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_VIDEO: i64 = 31;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for content loaded from track elements.
    ///    *
    ///    * This will be mapped to TYPE_MEDIA.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_TRACK: i64 = 32;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for an XMLHttpRequest.
    ///    *
    ///    * This will be mapped to TYPE_XMLHTTPREQUEST.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_XMLHTTPREQUEST: i64 = 33;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for EventSource.
    ///    *
    ///    * This will be mapped to TYPE_DATAREQUEST.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_EVENTSOURCE: i64 = 34;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for scripts loaded through a service
    ///    * worker.
    ///    *
    ///    * This will be mapped to TYPE_SCRIPT before being passed to content policy
    ///    * implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_SERVICE_WORKER: i64 = 35;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for *preloaded* scripts
    ///    * loaded through script elements.
    ///    *
    ///    * This will be mapped to TYPE_SCRIPT before being passed
    ///    * to content policy implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_SCRIPT_PRELOAD: i64 = 36;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for normal images.
    ///    *
    ///    * This will be mapped to TYPE_IMAGE before being passed
    ///    * to content policy implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_IMAGE: i64 = 37;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for *preloaded* images.
    ///    *
    ///    * This will be mapped to TYPE_IMAGE before being passed
    ///    * to content policy implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_IMAGE_PRELOAD: i64 = 38;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for normal stylesheets.
    ///    *
    ///    * This will be mapped to TYPE_STYLESHEET before being passed
    ///    * to content policy implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_STYLESHEET: i64 = 39;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for *preloaded* stylesheets.
    ///    *
    ///    * This will be mapped to TYPE_STYLESHEET before being passed
    ///    * to content policy implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_STYLESHEET_PRELOAD: i64 = 40;

    /// ```text
    /// /**
    ///    * Indicates an internal constant for favicon.
    ///    *
    ///    * This will be mapped to TYPE_IMAGE before being passed
    ///    * to content policy implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_IMAGE_FAVICON: i64 = 41;

    /// ```text
    /// /**
    ///    * Indicates an importScripts() inside a worker script.
    ///    *
    ///    * This will be mapped to TYPE_SCRIPT before being passed to content policy
    ///    * implementations.
    ///    */
    /// ```
    ///

    pub const TYPE_INTERNAL_WORKER_IMPORT_SCRIPTS: i64 = 42;

    /// ```text
    /// /**
    ///    * Returned from shouldLoad or shouldProcess if the load or process request
    ///    * is rejected based on details of the request.
    ///    */
    /// ```
    ///

    pub const REJECT_REQUEST: i64 = -1;

    /// ```text
    /// /**
    ///    * Returned from shouldLoad or shouldProcess if the load/process is rejected
    ///    * based solely on its type (of the above flags).
    ///    *
    ///    * NOTE that it is not meant to stop future requests for this type--only the
    ///    * current request.
    ///    */
    /// ```
    ///

    pub const REJECT_TYPE: i64 = -2;

    /// ```text
    /// /**
    ///    * Returned from shouldLoad or shouldProcess if the load/process is rejected
    ///    * based on the server it is hosted on or requested from (aContentLocation or
        ///    * aRequestOrigin), e.g., if you block an IMAGE because it is served from
    ///    * goatse.cx (even if you don't necessarily block other types from that
        ///    * server/domain).
    ///    *
    ///    * NOTE that it is not meant to stop future requests for this server--only the
    ///    * current request.
    ///    */
    /// ```
    ///

    pub const REJECT_SERVER: i64 = -3;

    /// ```text
    /// /**
    ///    * Returned from shouldLoad or shouldProcess if the load/process is rejected
    ///    * based on some other criteria. Mozilla callers will handle this like
    ///    * REJECT_REQUEST; third-party implementors may, for example, use this to
    ///    * direct their own callers to consult the extra parameter for additional
    ///    * details.
    ///    */
    /// ```
    ///

    pub const REJECT_OTHER: i64 = -4;

    /// ```text
    /// /**
    ///    * Returned from shouldLoad or shouldProcess if the load or process request
    ///    * is not rejected.
    ///    */
    /// ```
    ///

    pub const ACCEPT: i64 = 1;

    /// ```text
    /// /**
    ///    * Should the resource at this location be loaded?
    ///    * ShouldLoad will be called before loading the resource at aContentLocation
    ///    * to determine whether to start the load at all.
    ///    *
    ///    * @param aContentType      the type of content being tested. This will be one
    ///    *                          one of the TYPE_* constants.
    ///    *
    ///    * @param aContentLocation  the location of the content being checked; must
    ///    *                          not be null
    ///    *
    ///    * @param aRequestOrigin    OPTIONAL. the location of the resource that
    ///    *                          that is loading the request. This will generally
    ///    *                          be the URI of the loading principal for the
    ///    *                          resulting request (as determined by its
        ///    *                          LoadInfo), but may vary depending on the
    ///    *                          caller. Can be null if inapplicable.
    ///    *
    ///    * @param aContext          OPTIONAL. the nsIDOMNode or nsIDOMWindow that
    ///    *                          initiated the request, or something that can QI
    ///    *                          to one of those; can be null if inapplicable.
    ///    *                          Note that for navigation events (new windows and
        ///    *                          link clicks), this is the NEW window.
    ///    *
    ///    * @param aMimeTypeGuess    OPTIONAL. a guess for the requested content's
    ///    *                          MIME type, based on information available to
    ///    *                          the request initiator (e.g., an OBJECT's type
        ///    *                          attribute); does not reliably reflect the
    ///    *                          actual MIME type of the requested content
    ///    *
    ///    * @param aExtra            an OPTIONAL argument, pass-through for non-Gecko
    ///    *                          callers to pass extra data to callees.
    ///    *
    ///    * @param aRequestPrincipal an OPTIONAL argument, defines the principal that
    ///    *                          caused the load. This is optional only for
    ///    *                          non-gecko code: all gecko code should set this
    ///    *                          argument. This should generally be the same as
    ///    *                          the triggering principal for the resulting
    ///    *                          request (as determined by its LoadInfo), but may
    ///    *                          vary depending on the caller. Sometimes it will
    ///    *                          be the loading principal or final channel
    ///    *                          principal instead.
    ///    *
    ///    * @return ACCEPT or REJECT_*
    ///    *
    ///    * @note shouldLoad can be called while the DOM and layout of the document
    ///    * involved is in an inconsistent state.  This means that implementors of
    ///    * this method MUST NOT do any of the following:
    ///    * 1)  Modify the DOM in any way (e.g. setting attributes is a no-no).
///    * 2)  Query any DOM properties that depend on layout (e.g. offset*
///    *     properties).
///    * 3)  Query any DOM properties that depend on style (e.g. computed style).
///    * 4)  Query any DOM properties that depend on the current state of the DOM
///    *     outside the "context" node (e.g. lengths of node lists).
///    * 5)  [JavaScript implementations only] Access properties of any sort on any
///    *     object without using XPCNativeWrapper (either explicitly or
///    *     implicitly).  Due to various DOM0 things, this leads to item 4.
///    * If you do any of these things in your shouldLoad implementation, expect
///    * unpredictable behavior, possibly including crashes, content not showing
///    * up, content showing up doubled, etc.  If you need to do any of the things
///    * above, do them off timeout or event.
///    */
/// ```
///

/// `short shouldLoad (in nsContentPolicyType aContentType, in nsIURI aContentLocation, in nsIURI aRequestOrigin, in nsISupports aContext, in ACString aMimeTypeGuess, in nsISupports aExtra, [optional] in nsIPrincipal aRequestPrincipal);`
#[inline]
pub unsafe fn ShouldLoad(&self, aContentType: nsContentPolicyType, aContentLocation: *const nsIURI, aRequestOrigin: *const nsIURI, aContext: *const nsISupports, aMimeTypeGuess: &::nsstring::nsACString, aExtra: *const nsISupports, aRequestPrincipal: *const nsIPrincipal, _retval: *mut libc::int16_t) -> nsresult {
((*self.vtable).ShouldLoad)(self, aContentType, aContentLocation, aRequestOrigin, aContext, aMimeTypeGuess, aExtra, aRequestPrincipal, _retval)
}


/// ```text
/// /**
///    * Should the resource be processed?
///    * ShouldProcess will be called once all the information passed to it has
///    * been determined about the resource, typically after part of the resource
///    * has been loaded.
///    *
///    * @param aContentType      the type of content being tested. This will be one
///    *                          one of the TYPE_* constants.
///    *
///    * @param aContentLocation  OPTIONAL; the location of the resource being
///    *                          requested: MAY be, e.g., a post-redirection URI
///    *                          for the resource.
///    *
///    * @param aRequestOrigin    OPTIONAL. the location of the resource that
///    *                          initiated this load request; can be null if
///    *                          inapplicable
///    *
///    * @param aContext          OPTIONAL. the nsIDOMNode or nsIDOMWindow that
///    *                          initiated the request, or something that can QI
///    *                          to one of those; can be null if inapplicable.
///    *
///    * @param aMimeType         the MIME type of the requested resource (e.g.,
///    *                          image/png), as reported by the networking library,
///    *                          if available (may be empty if inappropriate for
///    *                          the type, e.g., TYPE_REFRESH).
///    *
///    * @param aExtra            an OPTIONAL argument, pass-through for non-Gecko
///    *                          callers to pass extra data to callees.
///    *
///    * @return ACCEPT or REJECT_*
///    *
///    * @note shouldProcess can be called while the DOM and layout of the document
///    * involved is in an inconsistent state.  See the note on shouldLoad to see
///    * what this means for implementors of this method.
///    */
/// ```
///

/// `short shouldProcess (in nsContentPolicyType aContentType, in nsIURI aContentLocation, in nsIURI aRequestOrigin, in nsISupports aContext, in ACString aMimeType, in nsISupports aExtra, [optional] in nsIPrincipal aRequestPrincipal);`
#[inline]
pub unsafe fn ShouldProcess(&self, aContentType: nsContentPolicyType, aContentLocation: *const nsIURI, aRequestOrigin: *const nsIURI, aContext: *const nsISupports, aMimeType: &::nsstring::nsACString, aExtra: *const nsISupports, aRequestPrincipal: *const nsIPrincipal, _retval: *mut libc::int16_t) -> nsresult {
((*self.vtable).ShouldProcess)(self, aContentType, aContentLocation, aRequestOrigin, aContext, aMimeType, aExtra, aRequestPrincipal, _retval)
}


}