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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use glib::object::IsA;
use glib::translate::*;
use std::fmt;

glib::wrapper! {
    /// An interface whereby an object allows its backing content to be
    /// streamed to clients. Typical implementors would be images or
    /// icons, HTML content, or multimedia display/rendering widgets.
    ///
    /// Negotiation of content type is allowed. Clients may examine the
    /// backing data and transform, convert, or parse the content in order
    /// to present it in an alternate form to end-users.
    ///
    /// The AtkStreamableContent interface is particularly useful for
    /// saving, printing, or post-processing entire documents, or for
    /// persisting alternate views of a document. If document content
    /// itself is being serialized, stored, or converted, then use of the
    /// AtkStreamableContent interface can help address performance
    /// issues. Unlike most ATK interfaces, this interface is not strongly
    /// tied to the current user-agent view of the a particular document,
    /// but may in some cases give access to the underlying model data.
    ///
    /// # Implements
    ///
    /// [`StreamableContentExt`][trait@crate::prelude::StreamableContentExt]
    #[doc(alias = "AtkStreamableContent")]
    pub struct StreamableContent(Interface<ffi::AtkStreamableContent, ffi::AtkStreamableContentIface>);

    match fn {
        type_ => || ffi::atk_streamable_content_get_type(),
    }
}

pub const NONE_STREAMABLE_CONTENT: Option<&StreamableContent> = None;

/// Trait containing all [`struct@StreamableContent`] methods.
///
/// # Implementors
///
/// [`StreamableContent`][struct@crate::StreamableContent]
pub trait StreamableContentExt: 'static {
    /// Gets the character string of the specified mime type. The first mime
    /// type is at position 0, the second at position 1, and so on.
    /// ## `i`
    /// a gint representing the position of the mime type starting from 0
    ///
    /// # Returns
    ///
    /// a gchar* representing the specified mime type; the caller
    /// should not free the character string.
    #[doc(alias = "atk_streamable_content_get_mime_type")]
    #[doc(alias = "get_mime_type")]
    fn mime_type(&self, i: i32) -> Option<glib::GString>;

    /// Gets the number of mime types supported by this object.
    ///
    /// # Returns
    ///
    /// a gint which is the number of mime types supported by the object.
    #[doc(alias = "atk_streamable_content_get_n_mime_types")]
    #[doc(alias = "get_n_mime_types")]
    fn n_mime_types(&self) -> i32;

    //#[doc(alias = "atk_streamable_content_get_stream")]
    //#[doc(alias = "get_stream")]
    //fn stream(&self, mime_type: &str) -> /*Ignored*/Option<glib::IOChannel>;

    /// Get a string representing a URI in IETF standard format
    /// (see http://www.ietf.org/rfc/rfc2396.txt) from which the object's content
    /// may be streamed in the specified mime-type, if one is available.
    /// If mime_type is NULL, the URI for the default (and possibly only) mime-type is
    /// returned.
    ///
    /// Note that it is possible for get_uri to return NULL but for
    /// get_stream to work nonetheless, since not all GIOChannels connect to URIs.
    /// ## `mime_type`
    /// a gchar* representing the mime type, or NULL to request a URI
    /// for the default mime type.
    ///
    /// # Returns
    ///
    /// Returns a string representing a URI, or [`None`]
    /// if no corresponding URI can be constructed.
    #[doc(alias = "atk_streamable_content_get_uri")]
    #[doc(alias = "get_uri")]
    fn uri(&self, mime_type: &str) -> Option<glib::GString>;
}

impl<O: IsA<StreamableContent>> StreamableContentExt for O {
    fn mime_type(&self, i: i32) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::atk_streamable_content_get_mime_type(
                self.as_ref().to_glib_none().0,
                i,
            ))
        }
    }

    fn n_mime_types(&self) -> i32 {
        unsafe { ffi::atk_streamable_content_get_n_mime_types(self.as_ref().to_glib_none().0) }
    }

    //fn stream(&self, mime_type: &str) -> /*Ignored*/Option<glib::IOChannel> {
    //    unsafe { TODO: call ffi:atk_streamable_content_get_stream() }
    //}

    fn uri(&self, mime_type: &str) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::atk_streamable_content_get_uri(
                self.as_ref().to_glib_none().0,
                mime_type.to_glib_none().0,
            ))
        }
    }
}

impl fmt::Display for StreamableContent {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("StreamableContent")
    }
}