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aa15dc269f
http://www.robohornet.org gives a score of 101.36 on master, and 102.68 with this PR. The latter is slightly better, but probably within noise level. So it looks like this PR does not affect DOM performance. This is expected since `Box::new` is defined as: ```rust impl<T> Box<T> { #[inline(always)] pub fn new(x: T) -> Box<T> { box x } } ``` With inlining, it should compile to the same as box syntax.
101 lines
3.6 KiB
Rust
101 lines
3.6 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::FileBinding;
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use dom::bindings::codegen::Bindings::FileBinding::FileMethods;
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use dom::bindings::codegen::UnionTypes::BlobOrString;
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use dom::bindings::error::{Error, Fallible};
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use dom::bindings::inheritance::Castable;
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use dom::bindings::reflector::reflect_dom_object;
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use dom::bindings::root::DomRoot;
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use dom::bindings::str::DOMString;
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use dom::blob::{Blob, BlobImpl, blob_parts_to_bytes};
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use dom::globalscope::GlobalScope;
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use dom::window::Window;
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use dom_struct::dom_struct;
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use net_traits::filemanager_thread::SelectedFile;
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use time;
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#[dom_struct]
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pub struct File {
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blob: Blob,
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name: DOMString,
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modified: i64,
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}
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impl File {
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#[allow(unrooted_must_root)]
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fn new_inherited(blob_impl: BlobImpl, name: DOMString,
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modified: Option<i64>, type_string: &str) -> File {
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File {
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blob: Blob::new_inherited(blob_impl, type_string.to_owned()),
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name: name,
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// https://w3c.github.io/FileAPI/#dfn-lastModified
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modified: match modified {
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Some(m) => m,
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None => {
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let time = time::get_time();
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time.sec * 1000 + (time.nsec / 1000000) as i64
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}
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},
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(global: &GlobalScope, blob_impl: BlobImpl,
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name: DOMString, modified: Option<i64>, typeString: &str) -> DomRoot<File> {
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reflect_dom_object(Box::new(File::new_inherited(blob_impl, name, modified, typeString)),
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global,
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FileBinding::Wrap)
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}
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// Construct from selected file message from file manager thread
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pub fn new_from_selected(window: &Window, selected: SelectedFile) -> DomRoot<File> {
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let name = DOMString::from(selected.filename.to_str().expect("File name encoding error"));
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File::new(window.upcast(), BlobImpl::new_from_file(selected.id, selected.filename, selected.size),
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name, Some(selected.modified as i64), &selected.type_string)
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}
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// https://w3c.github.io/FileAPI/#file-constructor
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pub fn Constructor(global: &GlobalScope,
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fileBits: Vec<BlobOrString>,
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filename: DOMString,
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filePropertyBag: &FileBinding::FilePropertyBag)
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-> Fallible<DomRoot<File>> {
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let bytes: Vec<u8> = match blob_parts_to_bytes(fileBits) {
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Ok(bytes) => bytes,
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Err(_) => return Err(Error::InvalidCharacter),
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};
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let ref blobPropertyBag = filePropertyBag.parent;
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let ref typeString = blobPropertyBag.type_;
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let modified = filePropertyBag.lastModified;
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// NOTE: Following behaviour might be removed in future,
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// see https://github.com/w3c/FileAPI/issues/41
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let replaced_filename = DOMString::from_string(filename.replace("/", ":"));
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Ok(File::new(global,
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BlobImpl::new_from_bytes(bytes),
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replaced_filename,
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modified,
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typeString))
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}
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pub fn name(&self) -> &DOMString {
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&self.name
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}
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}
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impl FileMethods for File {
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// https://w3c.github.io/FileAPI/#dfn-name
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fn Name(&self) -> DOMString {
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self.name.clone()
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}
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// https://w3c.github.io/FileAPI/#dfn-lastModified
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fn LastModified(&self) -> i64 {
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self.modified
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}
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}
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