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#![deny(bare_trait_objects)]

extern crate gio_sys as gio_ffi;
extern crate glib_sys as glib_ffi;
extern crate gobject_sys as gobject_ffi;
extern crate gtk_sys as gtk_ffi;
#[macro_use]
extern crate lazy_static;
extern crate libc;
extern crate nemo_extension_sys as nemo_ffi;

pub use column_provider::{Column, ColumnProvider};
pub use info_provider::{FileInfo, InfoProvider};
pub use lazy_static::lazy_static;
pub use menu_provider::{Menu, MenuItem, MenuProvider};
pub use nemo_module::NemoModule;
pub use property_page_provider::{PropertyPage, PropertyPageProvider};

pub mod column_provider;
pub mod info_provider;
pub mod menu_provider;
pub mod property_page_provider;
mod nemo_module;
mod translate;

#[macro_export]
macro_rules! nemo_module {
    ($register_fn:ident) => {
        use std::sync::Mutex as NemoExtensionMutex;
        use nemo_extension::lazy_static as nemo_extension_lazy_static;
        nemo_extension_lazy_static! {
            static ref MODULE_TYPE_LIST: NemoExtensionMutex<Vec<GType>> = NemoExtensionMutex::new(Vec::new());
        }

        #[no_mangle]
        pub extern "C" fn nemo_module_initialize(module: *mut GTypeModule) {
            let module_type: GType = $register_fn(module);
            MODULE_TYPE_LIST.lock().unwrap().push(module_type);
        }

        #[no_mangle]
        pub extern "C" fn nemo_module_list_types(types: *mut *const GType, num_types: *mut c_int) {
            let list_ptr = MODULE_TYPE_LIST.lock().unwrap().as_ptr();
            let list_len = MODULE_TYPE_LIST.lock().unwrap().len() as c_int;
            unsafe {
                *types = list_ptr;
                *num_types = list_len;
            }
        }

        #[no_mangle]
        pub extern "C" fn nemo_module_shutdown() {
        }
    }
}

#[macro_export]
macro_rules! nemo_menu_item_activate_cb {
    ($extern_fn:ident, $safe_fn:ident) => {
        #[no_mangle]
        pub unsafe extern "C" fn $extern_fn(_nemomenuitem: *mut GObject, user_data: gpointer) {
            use $crate::info_provider::FileInfo;
            use std::mem;

            let files: Box<Vec<FileInfo>> = Box::from_raw(mem::transmute(user_data));
            $safe_fn(*files);
        }

    }
}

#[macro_export]
macro_rules! nemo_menu_background_activate_cb {
    ($extern_fn:ident, $safe_fn:ident) => {
        #[no_mangle]
        pub unsafe extern "C" fn $extern_fn(_nemomenuitem: *mut GObject, user_data: gpointer) {
            use $crate::info_provider::FileInfo;
            use std::mem;

            let file: Box<FileInfo> = Box::from_raw(mem::transmute(user_data));
            $safe_fn(*file);
        }

    }
}

#[cfg(test)]
mod tests {
    #[test]
    fn it_works() {
    }
}