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Remove Traceable/Untraceable from page.rs

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This commit is contained in:
Manish Goregaokar 2014-09-29 06:47:45 +05:30
parent 22567762a0
commit 707a2870fa
9 changed files with 95 additions and 76 deletions
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104
components/script/page.rs
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@ -5,7 +5,6 @@
use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use dom::bindings::codegen::InheritTypes::NodeCast;
use dom::bindings::js::{JS, JSRef, Temporary, OptionalRootable};
use dom::bindings::trace::{Traceable, Untraceable};
use dom::bindings::utils::GlobalStaticData;
use dom::document::{Document, DocumentHelpers};
use dom::element::Element;
@ -42,50 +41,50 @@ pub struct Page {
pub subpage_id: Option<SubpageId>,
/// Unique id for last reflow request; used for confirming completion reply.
pub last_reflow_id: Traceable<Cell<uint>>,
pub last_reflow_id: Cell<uint>,
/// The outermost frame containing the document, window, and page URL.
pub frame: Traceable<RefCell<Option<Frame>>>,
pub frame: RefCell<Option<Frame>>,
/// A handle for communicating messages to the layout task.
pub layout_chan: Untraceable<LayoutChan>,
pub layout_chan: LayoutChan,
/// A handle to perform RPC calls into the layout, quickly.
layout_rpc: Untraceable<Box<LayoutRPC+'static>>,
layout_rpc: Box<LayoutRPC+'static>,
/// The port that we will use to join layout. If this is `None`, then layout is not running.
pub layout_join_port: Untraceable<RefCell<Option<Receiver<()>>>>,
pub layout_join_port: RefCell<Option<Receiver<()>>>,
/// What parts of the document are dirty, if any.
damage: Traceable<RefCell<Option<DocumentDamage>>>,
damage: RefCell<Option<DocumentDamage>>,
/// The current size of the window, in pixels.
pub window_size: Traceable<Cell<WindowSizeData>>,
pub window_size: Cell<WindowSizeData>,
js_info: Traceable<RefCell<Option<JSPageInfo>>>,
js_info: RefCell<Option<JSPageInfo>>,
/// Cached copy of the most recent url loaded by the script
/// TODO(tkuehn): this currently does not follow any particular caching policy
/// and simply caches pages forever (!). The bool indicates if reflow is required
/// when reloading.
url: Untraceable<RefCell<Option<(Url, bool)>>>,
url: RefCell<Option<(Url, bool)>>,
next_subpage_id: Traceable<Cell<SubpageId>>,
next_subpage_id: Cell<SubpageId>,
/// Pending resize event, if any.
pub resize_event: Untraceable<Cell<Option<WindowSizeData>>>,
pub resize_event: Cell<Option<WindowSizeData>>,
/// Pending scroll to fragment event, if any
pub fragment_name: RefCell<Option<String>>,
/// Associated resource task for use by DOM objects like XMLHttpRequest
pub resource_task: Untraceable<ResourceTask>,
pub resource_task: ResourceTask,
/// A handle for communicating messages to the constellation task.
pub constellation_chan: Untraceable<ConstellationChan>,
pub constellation_chan: ConstellationChan,
// Child Pages.
pub children: Traceable<RefCell<Vec<Rc<Page>>>>,
pub children: RefCell<Vec<Rc<Page>>>,
/// Number of pending reflows that were sent while layout was active.
pub pending_reflows: Cell<int>,
@ -111,7 +110,7 @@ impl IterablePage for Rc<Page> {
}
fn find(&self, id: PipelineId) -> Option<Rc<Page>> {
if self.id == id { return Some(self.clone()); }
for page in self.children.deref().borrow().iter() {
for page in self.children.borrow().iter() {
let found = page.find(id);
if found.is_some() { return found; }
}
@ -129,7 +128,7 @@ impl Page {
js_context: Rc<Cx>) -> Page {
let js_info = JSPageInfo {
dom_static: GlobalStaticData(),
js_context: Untraceable::new(js_context),
js_context: js_context,
};
let layout_rpc: Box<LayoutRPC> = {
let (rpc_send, rpc_recv) = channel();
@ -140,21 +139,21 @@ impl Page {
Page {
id: id,
subpage_id: subpage_id,
frame: Traceable::new(RefCell::new(None)),
layout_chan: Untraceable::new(layout_chan),
layout_rpc: Untraceable::new(layout_rpc),
layout_join_port: Untraceable::new(RefCell::new(None)),
damage: Traceable::new(RefCell::new(None)),
window_size: Traceable::new(Cell::new(window_size)),
js_info: Traceable::new(RefCell::new(Some(js_info))),
url: Untraceable::new(RefCell::new(None)),
next_subpage_id: Traceable::new(Cell::new(SubpageId(0))),
resize_event: Untraceable::new(Cell::new(None)),
frame: RefCell::new(None),
layout_chan: layout_chan,
layout_rpc: layout_rpc,
layout_join_port: RefCell::new(None),
damage: RefCell::new(None),
window_size: Cell::new(window_size),
js_info: RefCell::new(Some(js_info)),
url: RefCell::new(None),
next_subpage_id: Cell::new(SubpageId(0)),
resize_event: Cell::new(None),
fragment_name: RefCell::new(None),
last_reflow_id: Traceable::new(Cell::new(0)),
resource_task: Untraceable::new(resource_task),
constellation_chan: Untraceable::new(constellation_chan),
children: Traceable::new(RefCell::new(vec!())),
last_reflow_id: Cell::new(0),
resource_task: resource_task,
constellation_chan: constellation_chan,
children: RefCell::new(vec!()),
pending_reflows: Cell::new(0),
avoided_reflows: Cell::new(0),
}
@ -177,7 +176,7 @@ impl Page {
// doing a query reflow.
self.flush_layout(ReflowForDisplay);
self.join_layout(); //FIXME: is this necessary, or is layout_rpc's mutex good enough?
let layout_rpc: &LayoutRPC = &**self.layout_rpc;
let layout_rpc: &LayoutRPC = &*self.layout_rpc;
layout_rpc
}
@ -185,7 +184,6 @@ impl Page {
pub fn remove(&self, id: PipelineId) -> Option<Rc<Page>> {
let remove_idx = {
self.children
.deref()
.borrow_mut()
.iter_mut()
.enumerate()
@ -197,9 +195,9 @@ impl Page {
.map(|(idx, _)| idx)
};
match remove_idx {
Some(idx) => return Some(self.children.deref().borrow_mut().remove(idx).unwrap()),
Some(idx) => return Some(self.children.borrow_mut().remove(idx).unwrap()),
None => {
for page_tree in self.children.deref().borrow_mut().iter_mut() {
for page_tree in self.children.borrow_mut().iter_mut() {
match page_tree.remove(id) {
found @ Some(_) => return found,
None => (), // keep going...
@ -215,7 +213,7 @@ impl Iterator<Rc<Page>> for PageIterator {
fn next(&mut self) -> Option<Rc<Page>> {
if !self.stack.is_empty() {
let next = self.stack.pop().unwrap();
for child in next.children.deref().borrow().iter() {
for child in next.children.borrow().iter() {
self.stack.push(child.clone());
}
Some(next.clone())
@ -227,33 +225,33 @@ impl Iterator<Rc<Page>> for PageIterator {
impl Page {
pub fn mut_js_info<'a>(&'a self) -> RefMut<'a, Option<JSPageInfo>> {
self.js_info.deref().borrow_mut()
self.js_info.borrow_mut()
}
pub fn js_info<'a>(&'a self) -> Ref<'a, Option<JSPageInfo>> {
self.js_info.deref().borrow()
self.js_info.borrow()
}
pub fn url<'a>(&'a self) -> Ref<'a, Option<(Url, bool)>> {
self.url.deref().borrow()
self.url.borrow()
}
pub fn mut_url<'a>(&'a self) -> RefMut<'a, Option<(Url, bool)>> {
self.url.deref().borrow_mut()
self.url.borrow_mut()
}
pub fn frame<'a>(&'a self) -> Ref<'a, Option<Frame>> {
self.frame.deref().borrow()
self.frame.borrow()
}
pub fn mut_frame<'a>(&'a self) -> RefMut<'a, Option<Frame>> {
self.frame.deref().borrow_mut()
self.frame.borrow_mut()
}
pub fn get_next_subpage_id(&self) -> SubpageId {
let subpage_id = self.next_subpage_id.deref().get();
let subpage_id = self.next_subpage_id.get();
let SubpageId(id_num) = subpage_id;
self.next_subpage_id.deref().set(SubpageId(id_num + 1));
self.next_subpage_id.set(SubpageId(id_num + 1));
subpage_id
}
@ -267,7 +265,7 @@ impl Page {
None => {},
Some(root) => {
let root: JSRef<Node> = NodeCast::from_ref(*root);
let mut damage = *self.damage.deref().borrow_mut();
let mut damage = *self.damage.borrow_mut();
match damage {
None => {}
Some(ref mut damage) => {
@ -278,7 +276,7 @@ impl Page {
}
}
*self.damage.deref().borrow_mut() = Some(DocumentDamage {
*self.damage.borrow_mut() = Some(DocumentDamage {
root: root.to_trusted_node_address(),
level: level,
})
@ -297,7 +295,7 @@ impl Page {
/// Sends a ping to layout and waits for the response. The response will arrive when the
/// layout task has finished any pending request messages.
pub fn join_layout(&self) {
let mut layout_join_port = self.layout_join_port.deref().borrow_mut();
let mut layout_join_port = self.layout_join_port.borrow_mut();
if layout_join_port.is_some() {
let join_port = replace(&mut *layout_join_port, None);
match join_port {
@ -355,15 +353,15 @@ impl Page {
// Layout will let us know when it's done.
let (join_chan, join_port) = channel();
let mut layout_join_port = self.layout_join_port.deref().borrow_mut();
let mut layout_join_port = self.layout_join_port.borrow_mut();
*layout_join_port = Some(join_port);
let last_reflow_id = self.last_reflow_id.deref();
let last_reflow_id = &self.last_reflow_id;
last_reflow_id.set(last_reflow_id.get() + 1);
let root: JSRef<Node> = NodeCast::from_ref(*root);
let mut damage = self.damage.deref().borrow_mut();
let window_size = self.window_size.deref().get();
let mut damage = self.damage.borrow_mut();
let window_size = self.window_size.get();
// Send new document and relevant styles to layout.
let reflow = box Reflow {
@ -378,7 +376,7 @@ impl Page {
id: last_reflow_id.get(),
};
let LayoutChan(ref chan) = *self.layout_chan;
let LayoutChan(ref chan) = self.layout_chan;
chan.send(ReflowMsg(reflow));
debug!("script: layout forked")
@ -450,5 +448,5 @@ pub struct JSPageInfo {
/// Global static data related to the DOM.
pub dom_static: GlobalStaticData,
/// The JavaScript context.
pub js_context: Untraceable<Rc<Cx>>,
pub js_context: Rc<Cx>,
}