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path: root/src/components/script/dom/blob.rs
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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 http://mozilla.org/MPL/2.0/. */

use dom::bindings::js::{JS, JSRef, Temporary};
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::bindings::error::Fallible;
use dom::bindings::codegen::BindingDeclarations::BlobBinding;
use dom::window::Window;
use servo_util::str::DOMString;

#[deriving(Encodable)]
pub struct Blob {
    pub reflector_: Reflector,
    pub window: JS<Window>
}

impl Blob {
    pub fn new_inherited(window: &JSRef<Window>) -> Blob {
        Blob {
            reflector_: Reflector::new(),
            window: window.unrooted()
        }
    }

    pub fn new(window: &JSRef<Window>) -> Temporary<Blob> {
        reflect_dom_object(box Blob::new_inherited(window),
                           window,
                           BlobBinding::Wrap)
    }

    pub fn Constructor(window: &JSRef<Window>) -> Fallible<Temporary<Blob>> {
        Ok(Blob::new(window))
    }
}

pub trait BlobMethods {
    fn Size(&self) -> u64;
    fn Type(&self) -> DOMString;
    fn Slice(&self, _start: Option<i64>, _end: Option<i64>, _contentType: Option<DOMString>) -> Temporary<Blob>;
    fn Close(&self);
}

impl<'a> BlobMethods for JSRef<'a, Blob> {
    fn Size(&self) -> u64 {
        0
    }

    fn Type(&self) -> DOMString {
        "".to_owned()
    }

    fn Slice(&self, _start: Option<i64>, _end: Option<i64>, _contentType: Option<DOMString>) -> Temporary<Blob> {
        let window = self.window.root();
        Blob::new(&window.root_ref())
    }

    fn Close(&self) {}
}

impl Reflectable for Blob {
    fn reflector<'a>(&'a self) -> &'a Reflector {
        &self.reflector_
    }

    fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector {
        &mut self.reflector_
    }
}