webkit2gtk 2.0.2

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

use glib::{
  prelude::*,
  signal::{connect_raw, SignalHandlerId},
  translate::*,
};
use std::{boxed::Box as Box_, pin::Pin};

glib::wrapper! {
    #[doc(alias = "WebKitFaviconDatabase")]
    pub struct FaviconDatabase(Object<ffi::WebKitFaviconDatabase, ffi::WebKitFaviconDatabaseClass>);

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

impl FaviconDatabase {
  pub const NONE: Option<&'static FaviconDatabase> = None;
}

mod sealed {
  pub trait Sealed {}
  impl<T: super::IsA<super::FaviconDatabase>> Sealed for T {}
}

pub trait FaviconDatabaseExt: IsA<FaviconDatabase> + sealed::Sealed + 'static {
  #[doc(alias = "webkit_favicon_database_clear")]
  fn clear(&self) {
    unsafe {
      ffi::webkit_favicon_database_clear(self.as_ref().to_glib_none().0);
    }
  }

  #[doc(alias = "webkit_favicon_database_get_favicon")]
  #[doc(alias = "get_favicon")]
  fn favicon<P: FnOnce(Result<cairo::Surface, glib::Error>) + 'static>(
    &self,
    page_uri: &str,
    cancellable: Option<&impl IsA<gio::Cancellable>>,
    callback: P,
  ) {
    let main_context = glib::MainContext::ref_thread_default();
    let is_main_context_owner = main_context.is_owner();
    let has_acquired_main_context = (!is_main_context_owner)
      .then(|| main_context.acquire().ok())
      .flatten();
    assert!(
      is_main_context_owner || has_acquired_main_context.is_some(),
      "Async operations only allowed if the thread is owning the MainContext"
    );

    let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
      Box_::new(glib::thread_guard::ThreadGuard::new(callback));
    unsafe extern "C" fn favicon_trampoline<
      P: FnOnce(Result<cairo::Surface, glib::Error>) + 'static,
    >(
      _source_object: *mut glib::gobject_ffi::GObject,
      res: *mut gio::ffi::GAsyncResult,
      user_data: glib::ffi::gpointer,
    ) {
      let mut error = std::ptr::null_mut();
      let ret =
        ffi::webkit_favicon_database_get_favicon_finish(_source_object as *mut _, res, &mut error);
      let result = if error.is_null() {
        Ok(from_glib_full(ret))
      } else {
        Err(from_glib_full(error))
      };
      let callback: Box_<glib::thread_guard::ThreadGuard<P>> = Box_::from_raw(user_data as *mut _);
      let callback: P = callback.into_inner();
      callback(result);
    }
    let callback = favicon_trampoline::<P>;
    unsafe {
      ffi::webkit_favicon_database_get_favicon(
        self.as_ref().to_glib_none().0,
        page_uri.to_glib_none().0,
        cancellable.map(|p| p.as_ref()).to_glib_none().0,
        Some(callback),
        Box_::into_raw(user_data) as *mut _,
      );
    }
  }

  fn favicon_future(
    &self,
    page_uri: &str,
  ) -> Pin<Box_<dyn std::future::Future<Output = Result<cairo::Surface, glib::Error>> + 'static>>
  {
    let page_uri = String::from(page_uri);
    Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
      obj.favicon(&page_uri, Some(cancellable), move |res| {
        send.resolve(res);
      });
    }))
  }

  #[doc(alias = "webkit_favicon_database_get_favicon_uri")]
  #[doc(alias = "get_favicon_uri")]
  fn favicon_uri(&self, page_uri: &str) -> Option<glib::GString> {
    unsafe {
      from_glib_full(ffi::webkit_favicon_database_get_favicon_uri(
        self.as_ref().to_glib_none().0,
        page_uri.to_glib_none().0,
      ))
    }
  }

  #[doc(alias = "favicon-changed")]
  fn connect_favicon_changed<F: Fn(&Self, &str, &str) + 'static>(&self, f: F) -> SignalHandlerId {
    unsafe extern "C" fn favicon_changed_trampoline<
      P: IsA<FaviconDatabase>,
      F: Fn(&P, &str, &str) + 'static,
    >(
      this: *mut ffi::WebKitFaviconDatabase,
      page_uri: *mut libc::c_char,
      favicon_uri: *mut libc::c_char,
      f: glib::ffi::gpointer,
    ) {
      let f: &F = &*(f as *const F);
      f(
        FaviconDatabase::from_glib_borrow(this).unsafe_cast_ref(),
        &glib::GString::from_glib_borrow(page_uri),
        &glib::GString::from_glib_borrow(favicon_uri),
      )
    }
    unsafe {
      let f: Box_<F> = Box_::new(f);
      connect_raw(
        self.as_ptr() as *mut _,
        b"favicon-changed\0".as_ptr() as *const _,
        Some(std::mem::transmute::<_, unsafe extern "C" fn()>(
          favicon_changed_trampoline::<Self, F> as *const (),
        )),
        Box_::into_raw(f),
      )
    }
  }
}

impl<O: IsA<FaviconDatabase>> FaviconDatabaseExt for O {}