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Auto merge of #9603 - Ms2ger:document-bc, r=jdm

Browse source 
Store a pointer to the browsing context in the Document.

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This commit is contained in:
bors-servo 2016-02-19 12:49:35 +05:30
commit ee158cc65f
10 changed files with 53 additions and 23 deletions
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27
components/script/dom/browsingcontext.rs
View file

@ -2,6 +2,7 @@
* 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::cell::DOMRefCell;
use dom::bindings::conversions::{ToJSValConvertible, root_from_handleobject};
use dom::bindings::js::{JS, Root, RootedReference};
use dom::bindings::proxyhandler::{fill_property_descriptor, get_property_descriptor};
@ -25,26 +26,24 @@ use js::jsval::{ObjectValue, UndefinedValue, PrivateValue};
#[dom_struct]
pub struct BrowsingContext {
reflector: Reflector,
history: Vec<SessionHistoryEntry>,
history: DOMRefCell<Vec<SessionHistoryEntry>>,
active_index: usize,
frame_element: Option<JS<Element>>,
}
impl BrowsingContext {
pub fn new_inherited(document: &Document, frame_element: Option<&Element>) -> BrowsingContext {
pub fn new_inherited(frame_element: Option<&Element>) -> BrowsingContext {
BrowsingContext {
reflector: Reflector::new(),
history: vec![SessionHistoryEntry::new(document)],
history: DOMRefCell::new(vec![]),
active_index: 0,
frame_element: frame_element.map(JS::from_ref),
}
}
#[allow(unsafe_code)]
pub fn new(document: &Document, frame_element: Option<&Element>) -> Root<BrowsingContext> {
pub fn new(window: &Window, frame_element: Option<&Element>) -> Root<BrowsingContext> {
unsafe {
let window = document.window();
let WindowProxyHandler(handler) = window.windowproxy_handler();
assert!(!handler.is_null());
@ -58,7 +57,7 @@ impl BrowsingContext {
NewWindowProxy(cx, parent, handler));
assert!(!window_proxy.ptr.is_null());
let object = box BrowsingContext::new_inherited(document, frame_element);
let object = box BrowsingContext::new_inherited(frame_element);
let raw = Box::into_raw(object);
SetProxyExtra(window_proxy.ptr, 0, PrivateValue(raw as *const _));
@ -69,12 +68,18 @@ impl BrowsingContext {
}
}
pub fn active_document(&self) -> &Document {
&*self.history[self.active_index].document
pub fn init(&self, document: &Document) {
assert!(self.history.borrow().is_empty());
assert_eq!(self.active_index, 0);
self.history.borrow_mut().push(SessionHistoryEntry::new(document));
}
pub fn active_window(&self) -> &Window {
self.active_document().window()
pub fn active_document(&self) -> Root<Document> {
Root::from_ref(&*self.history.borrow()[self.active_index].document)
}
pub fn active_window(&self) -> Root<Window> {
Root::from_ref(self.active_document().window())
}
pub fn frame_element(&self) -> Option<&Element> {