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Remove GlobalRoot and GlobalRef

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This commit is contained in:
Anthony Ramine 2016-10-05 10:29:38 +02:00
parent c66cf46bee
commit b6bbd41e11
13 changed files with 63 additions and 173 deletions
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51
components/script/dom/globalscope.rs
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@ -5,6 +5,7 @@
use devtools_traits::{ScriptToDevtoolsControlMsg, WorkerId};
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::conversions::root_from_object;
use dom::bindings::error::{ErrorInfo, report_pending_exception};
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{JS, MutNullableHeap, Root};
@ -19,8 +20,12 @@ use dom::eventtarget::EventTarget;
use dom::window::Window;
use dom::workerglobalscope::WorkerGlobalScope;
use ipc_channel::ipc::IpcSender;
use js::jsapi::{HandleValue, Evaluate2, JS_GetContext, JS_GetObjectRuntime};
use js::jsapi::{JSAutoCompartment, JSContext, MutableHandleValue};
use js::{JSCLASS_IS_DOMJSCLASS, JSCLASS_IS_GLOBAL};
use js::glue::{IsWrapper, UnwrapObject};
use js::jsapi::{CurrentGlobalOrNull, GetGlobalForObjectCrossCompartment};
use js::jsapi::{HandleValue, Evaluate2, JSAutoCompartment, JSContext};
use js::jsapi::{JSObject, JS_GetClass, JS_GetContext};
use js::jsapi::{JS_GetObjectRuntime, MutableHandleValue};
use js::rust::CompileOptionsWrapper;
use libc;
use msg::constellation_msg::PipelineId;
@ -116,6 +121,39 @@ impl GlobalScope {
}
}
/// Returns the global scope of the realm that the given DOM object's reflector
/// was created in.
#[allow(unsafe_code)]
pub fn from_reflector<T: Reflectable>(reflector: &T) -> Root<Self> {
unsafe { GlobalScope::from_object(*reflector.reflector().get_jsobject()) }
}
/// Returns the global scope of the realm that the given JS object was created in.
#[allow(unsafe_code)]
pub unsafe fn from_object(obj: *mut JSObject) -> Root<Self> {
assert!(!obj.is_null());
let global = GetGlobalForObjectCrossCompartment(obj);
global_scope_from_global(global)
}
/// Returns the global scope for the given JSContext
#[allow(unsafe_code)]
pub unsafe fn from_context(cx: *mut JSContext) -> Root<Self> {
let global = CurrentGlobalOrNull(cx);
global_scope_from_global(global)
}
/// Returns the global object of the realm that the given JS object
/// was created in, after unwrapping any wrappers.
#[allow(unsafe_code)]
pub unsafe fn from_object_maybe_wrapped(mut obj: *mut JSObject) -> Root<Self> {
if IsWrapper(obj) {
obj = UnwrapObject(obj, /* stopAtWindowProxy = */ 0);
assert!(!obj.is_null());
}
GlobalScope::from_object(obj)
}
#[allow(unsafe_code)]
pub fn get_cx(&self) -> *mut JSContext {
unsafe {
@ -475,3 +513,12 @@ impl GlobalScope {
fn timestamp_in_ms(time: Timespec) -> u64 {
(time.sec * 1000 + (time.nsec / 1000000) as i64) as u64
}
/// Returns the Rust global scope from a JS global object.
#[allow(unsafe_code)]
unsafe fn global_scope_from_global(global: *mut JSObject) -> Root<GlobalScope> {
assert!(!global.is_null());
let clasp = JS_GetClass(global);
assert!(((*clasp).flags & (JSCLASS_IS_DOMJSCLASS | JSCLASS_IS_GLOBAL)) != 0);
root_from_object(global).unwrap()
}