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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use std::slice::Iter;
use dom_struct::dom_struct;
use super::bindings::root::{LayoutDom, ToLayout};
use crate::dom::bindings::codegen::Bindings::FileListBinding::FileListMethods;
use crate::dom::bindings::reflector::{Reflector, reflect_dom_object};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::file::File;
use crate::dom::window::Window;
use crate::script_runtime::CanGc;
// https://w3c.github.io/FileAPI/#dfn-filelist
#[dom_struct]
pub(crate) struct FileList {
reflector_: Reflector,
list: Vec<Dom<File>>,
}
impl FileList {
#[cfg_attr(crown, allow(crown::unrooted_must_root))]
fn new_inherited(files: Vec<Dom<File>>) -> FileList {
FileList {
reflector_: Reflector::new(),
list: files,
}
}
#[cfg_attr(crown, allow(crown::unrooted_must_root))]
pub(crate) fn new(
window: &Window,
files: Vec<DomRoot<File>>,
can_gc: CanGc,
) -> DomRoot<FileList> {
reflect_dom_object(
Box::new(FileList::new_inherited(
files.iter().map(|r| Dom::from_ref(&**r)).collect(),
)),
window,
can_gc,
)
}
pub(crate) fn iter_files(&self) -> Iter<Dom<File>> {
self.list.iter()
}
}
impl FileListMethods<crate::DomTypeHolder> for FileList {
// https://w3c.github.io/FileAPI/#dfn-length
fn Length(&self) -> u32 {
self.list.len() as u32
}
// https://w3c.github.io/FileAPI/#dfn-item
fn Item(&self, index: u32) -> Option<DomRoot<File>> {
if (index as usize) < self.list.len() {
Some(DomRoot::from_ref(&*(self.list[index as usize])))
} else {
None
}
}
// check-tidy: no specs after this line
fn IndexedGetter(&self, index: u32) -> Option<DomRoot<File>> {
self.Item(index)
}
}
pub(crate) trait LayoutFileListHelpers<'dom> {
fn file_for_layout(&self, index: u32) -> Option<&File>;
fn len(&self) -> usize;
}
#[allow(unsafe_code)]
impl<'dom> LayoutFileListHelpers<'dom> for LayoutDom<'dom, FileList> {
fn len(&self) -> usize {
self.unsafe_get().list.len()
}
fn file_for_layout(&self, index: u32) -> Option<&File> {
let list = &self.unsafe_get().list;
if (index as usize) < list.len() {
Some(unsafe { list[index as usize].to_layout().unsafe_get() })
} else {
None
}
}
}
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