aboutsummaryrefslogtreecommitdiffstats
path: root/components/script/dom
diff options
context:
space:
mode:
authorMs2ger <ms2ger@gmail.com>2015-07-20 17:16:46 +0200
committerMs2ger <Ms2ger@gmail.com>2015-11-04 12:30:13 +0100
commitf86502f80c3b6a89b1fc880dd51e8da6531d5865 (patch)
tree77971a51f958af33d76509c7110a48bae4c5c756 /components/script/dom
parentb6850853da5fc677ecfa15d273159371a909ac6c (diff)
downloadservo-f86502f80c3b6a89b1fc880dd51e8da6531d5865.tar.gz
servo-f86502f80c3b6a89b1fc880dd51e8da6531d5865.zip
Make BrowsingContext JS-managed.
Diffstat (limited to 'components/script/dom')
-rw-r--r--components/script/dom/browsercontext.rs75
-rw-r--r--components/script/dom/window.rs23
2 files changed, 52 insertions, 46 deletions
diff --git a/components/script/dom/browsercontext.rs b/components/script/dom/browsercontext.rs
index 049ff432538..72d48d51d45 100644
--- a/components/script/dom/browsercontext.rs
+++ b/components/script/dom/browsercontext.rs
@@ -6,45 +6,70 @@ use dom::bindings::conversions::native_from_handleobject;
use dom::bindings::conversions::{ToJSValConvertible};
use dom::bindings::js::{JS, Root};
use dom::bindings::proxyhandler::{fill_property_descriptor, get_property_descriptor};
-use dom::bindings::reflector::Reflectable;
+use dom::bindings::reflector::{Reflectable, Reflector};
use dom::bindings::utils::WindowProxyHandler;
use dom::bindings::utils::get_array_index_from_id;
use dom::document::Document;
use dom::element::Element;
use dom::window::Window;
+use js::JSCLASS_IS_GLOBAL;
use js::glue::{CreateWrapperProxyHandler, ProxyTraps, WrapperNew};
-use js::glue::{GetProxyPrivate};
-use js::jsapi::{Handle, Heap, JS_ForwardSetPropertyTo, ObjectOpResult, RootedObject, RootedValue};
+use js::glue::{GetProxyPrivate, SetProxyExtra};
+use js::jsapi::{Handle, JS_ForwardSetPropertyTo, ObjectOpResult, RootedObject, RootedValue};
use js::jsapi::{HandleId, HandleObject, MutableHandle, MutableHandleValue};
-use js::jsapi::{JSAutoCompartment, JSAutoRequest};
+use js::jsapi::{JSAutoCompartment, JSAutoRequest, JS_GetClass};
use js::jsapi::{JSContext, JSErrNum, JSObject, JSPropertyDescriptor};
use js::jsapi::{JS_AlreadyHasOwnPropertyById, JS_ForwardGetPropertyTo};
use js::jsapi::{JS_DefinePropertyById6, JS_GetPropertyDescriptorById};
-use js::jsval::{ObjectValue, UndefinedValue};
-use std::default::Default;
+use js::jsval::{ObjectValue, UndefinedValue, PrivateValue};
use std::ptr;
-#[derive(JSTraceable, HeapSizeOf)]
-#[privatize]
-#[allow(raw_pointer_derive)]
-#[must_root]
+#[dom_struct]
pub struct BrowsingContext {
+ reflector: Reflector,
history: Vec<SessionHistoryEntry>,
active_index: usize,
- window_proxy: Heap<*mut JSObject>,
frame_element: Option<JS<Element>>,
}
impl BrowsingContext {
- pub fn new(document: &Document, frame_element: Option<&Element>) -> BrowsingContext {
+ pub fn new_inherited(document: &Document, frame_element: Option<&Element>) -> BrowsingContext {
BrowsingContext {
+ reflector: Reflector::new(),
history: vec!(SessionHistoryEntry::new(document)),
active_index: 0,
- window_proxy: Heap::default(),
frame_element: frame_element.map(JS::from_ref),
}
}
+ #[allow(unsafe_code)]
+ pub fn new(document: &Document, frame_element: Option<&Element>) -> Root<BrowsingContext> {
+ unsafe {
+ let window = document.window();
+
+ let WindowProxyHandler(handler) = window.windowproxy_handler();
+ assert!(!handler.is_null());
+
+ let cx = window.get_cx();
+ let _ar = JSAutoRequest::new(cx);
+ let parent = window.reflector().get_jsobject();
+ assert!(!parent.get().is_null());
+ assert!(((*JS_GetClass(parent.get())).flags & JSCLASS_IS_GLOBAL) != 0);
+ let _ac = JSAutoCompartment::new(cx, parent.get());
+ let window_proxy = RootedObject::new(cx, WrapperNew(cx, parent, handler, ptr::null(), true));
+ assert!(!window_proxy.ptr.is_null());
+
+ let object = box BrowsingContext::new_inherited(document, frame_element);
+
+ let raw = Box::into_raw(object);
+ SetProxyExtra(window_proxy.ptr, 0, PrivateValue(raw as *const _));
+
+ (*raw).init_reflector(window_proxy.ptr);
+
+ Root::from_ref(&*raw)
+ }
+ }
+
pub fn active_document(&self) -> &Document {
&*self.history[self.active_index].document
}
@@ -58,25 +83,9 @@ impl BrowsingContext {
}
pub fn window_proxy(&self) -> *mut JSObject {
- assert!(!self.window_proxy.get().is_null());
- self.window_proxy.get()
- }
-
- #[allow(unsafe_code)]
- pub fn create_window_proxy(&mut self) {
- // We inline self.active_window() because we can't borrow *self here.
- let win = self.history[self.active_index].document.window();
-
- let WindowProxyHandler(handler) = win.windowproxy_handler();
- assert!(!handler.is_null());
-
- let cx = win.get_cx();
- let _ar = JSAutoRequest::new(cx);
- let parent = win.reflector().get_jsobject();
- let _ac = JSAutoCompartment::new(cx, parent.get());
- let wrapper = unsafe { WrapperNew(cx, parent, handler, ptr::null(), false) };
- assert!(!wrapper.is_null());
- self.window_proxy.set(wrapper);
+ let window_proxy = self.reflector.get_jsobject();
+ assert!(!window_proxy.get().is_null());
+ window_proxy.get()
}
}
@@ -87,7 +96,7 @@ impl BrowsingContext {
#[derive(JSTraceable, HeapSizeOf)]
pub struct SessionHistoryEntry {
document: JS<Document>,
- children: Vec<BrowsingContext>
+ children: Vec<JS<BrowsingContext>>
}
impl SessionHistoryEntry {
diff --git a/components/script/dom/window.rs b/components/script/dom/window.rs
index 69ddff9430a..0062aed4bee 100644
--- a/components/script/dom/window.rs
+++ b/components/script/dom/window.rs
@@ -59,7 +59,7 @@ use script_traits::{TimerEventChan, TimerEventId, TimerEventRequest, TimerSource
use selectors::parser::PseudoElement;
use std::ascii::AsciiExt;
use std::borrow::ToOwned;
-use std::cell::{Cell, Ref};
+use std::cell::Cell;
use std::collections::HashSet;
use std::default::Default;
use std::ffi::CString;
@@ -119,7 +119,7 @@ pub struct Window {
image_cache_chan: ImageCacheChan,
#[ignore_heap_size_of = "TODO(#6911) newtypes containing unmeasurable types are hard"]
compositor: IpcSender<ScriptToCompositorMsg>,
- browsing_context: DOMRefCell<Option<BrowsingContext>>,
+ browsing_context: MutNullableHeap<JS<BrowsingContext>>,
page: Rc<Page>,
performance: MutNullableHeap<JS<Performance>>,
navigation_start: u64,
@@ -217,7 +217,7 @@ impl Window {
pub fn clear_js_runtime_for_script_deallocation(&self) {
unsafe {
*self.js_runtime.borrow_for_script_deallocation() = None;
- *self.browsing_context.borrow_for_script_deallocation() = None;
+ self.browsing_context.set(None);
self.current_state.set(WindowState::Zombie);
}
}
@@ -271,8 +271,8 @@ impl Window {
&self.compositor
}
- pub fn browsing_context(&self) -> Ref<Option<BrowsingContext>> {
- self.browsing_context.borrow()
+ pub fn browsing_context(&self) -> Option<Root<BrowsingContext>> {
+ self.browsing_context.get()
}
pub fn page(&self) -> &Page {
@@ -797,7 +797,7 @@ impl Window {
self.current_state.set(WindowState::Zombie);
*self.js_runtime.borrow_mut() = None;
- *self.browsing_context.borrow_mut() = None;
+ self.browsing_context.set(None);
}
/// https://drafts.csswg.org/cssom-view/#dom-window-scroll
@@ -1009,9 +1009,7 @@ impl Window {
}
pub fn init_browsing_context(&self, doc: &Document, frame_element: Option<&Element>) {
- let mut browsing_context = self.browsing_context.borrow_mut();
- *browsing_context = Some(BrowsingContext::new(doc, frame_element));
- (*browsing_context).as_mut().unwrap().create_window_proxy();
+ self.browsing_context.set(Some(&BrowsingContext::new(doc, frame_element)));
}
/// Commence a new URL load which will either replace this window or scroll to a fragment.
@@ -1183,15 +1181,14 @@ impl Window {
}
pub fn parent(&self) -> Option<Root<Window>> {
- let browsing_context = self.browsing_context();
- let browsing_context = browsing_context.as_ref().unwrap();
+ let browsing_context = self.browsing_context().unwrap();
browsing_context.frame_element().map(|frame_element| {
let window = window_from_node(frame_element);
// FIXME(https://github.com/rust-lang/rust/issues/23338)
let r = window.r();
let context = r.browsing_context();
- Root::from_ref(context.as_ref().unwrap().active_window())
+ Root::from_ref(context.unwrap().active_window())
})
}
}
@@ -1234,7 +1231,7 @@ impl Window {
image_cache_task: image_cache_task,
mem_profiler_chan: mem_profiler_chan,
devtools_chan: devtools_chan,
- browsing_context: DOMRefCell::new(None),
+ browsing_context: Default::default(),
performance: Default::default(),
navigation_start: time::get_time().sec as u64,
navigation_start_precise: time::precise_time_ns() as f64,