servo/components/script/dom/file.rs
2018-09-19 17:40:47 -04:00

125 lines
3.8 KiB
Rust

/* 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 http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::FileBinding;
use dom::bindings::codegen::Bindings::FileBinding::FileMethods;
use dom::bindings::codegen::UnionTypes::ArrayBufferOrArrayBufferViewOrBlobOrString;
use dom::bindings::error::{Error, Fallible};
use dom::bindings::inheritance::Castable;
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::root::DomRoot;
use dom::bindings::str::DOMString;
use dom::blob::{Blob, BlobImpl, blob_parts_to_bytes};
use dom::globalscope::GlobalScope;
use dom::window::Window;
use dom_struct::dom_struct;
use net_traits::filemanager_thread::SelectedFile;
use time;
#[dom_struct]
pub struct File {
blob: Blob,
name: DOMString,
modified: i64,
}
impl File {
#[allow(unrooted_must_root)]
fn new_inherited(
blob_impl: BlobImpl,
name: DOMString,
modified: Option<i64>,
type_string: &str,
) -> File {
File {
blob: Blob::new_inherited(blob_impl, type_string.to_owned()),
name: name,
// https://w3c.github.io/FileAPI/#dfn-lastModified
modified: match modified {
Some(m) => m,
None => {
let time = time::get_time();
time.sec * 1000 + (time.nsec / 1000000) as i64
},
},
}
}
#[allow(unrooted_must_root)]
pub fn new(
global: &GlobalScope,
blob_impl: BlobImpl,
name: DOMString,
modified: Option<i64>,
typeString: &str,
) -> DomRoot<File> {
reflect_dom_object(
Box::new(File::new_inherited(blob_impl, name, modified, typeString)),
global,
FileBinding::Wrap,
)
}
// Construct from selected file message from file manager thread
pub fn new_from_selected(window: &Window, selected: SelectedFile) -> DomRoot<File> {
let name = DOMString::from(
selected
.filename
.to_str()
.expect("File name encoding error"),
);
File::new(
window.upcast(),
BlobImpl::new_from_file(selected.id, selected.filename, selected.size),
name,
Some(selected.modified as i64),
&selected.type_string,
)
}
// https://w3c.github.io/FileAPI/#file-constructor
pub fn Constructor(
global: &GlobalScope,
fileBits: Vec<ArrayBufferOrArrayBufferViewOrBlobOrString>,
filename: DOMString,
filePropertyBag: &FileBinding::FilePropertyBag,
) -> Fallible<DomRoot<File>> {
let bytes: Vec<u8> = match blob_parts_to_bytes(fileBits) {
Ok(bytes) => bytes,
Err(_) => return Err(Error::InvalidCharacter),
};
let ref blobPropertyBag = filePropertyBag.parent;
let ref typeString = blobPropertyBag.type_;
let modified = filePropertyBag.lastModified;
// NOTE: Following behaviour might be removed in future,
// see https://github.com/w3c/FileAPI/issues/41
let replaced_filename = DOMString::from_string(filename.replace("/", ":"));
Ok(File::new(
global,
BlobImpl::new_from_bytes(bytes),
replaced_filename,
modified,
typeString,
))
}
pub fn name(&self) -> &DOMString {
&self.name
}
}
impl FileMethods for File {
// https://w3c.github.io/FileAPI/#dfn-name
fn Name(&self) -> DOMString {
self.name.clone()
}
// https://w3c.github.io/FileAPI/#dfn-lastModified
fn LastModified(&self) -> i64 {
self.modified
}
}