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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::codegen::EventTargetBinding;
use dom::bindings::utils::{CacheableWrapper, WrapperCache, BindingObject, DerivedWrapper};
use script_task::page_from_context;
use js::glue::RUST_OBJECT_TO_JSVAL;
use js::jsapi::{JSObject, JSContext, JSVal};
use std::cast;
pub struct EventTarget {
wrapper: WrapperCache
}
impl EventTarget {
pub fn new() -> ~EventTarget {
~EventTarget {
wrapper: WrapperCache::new()
}
}
pub fn init_wrapper(@mut self, cx: *JSContext, scope: *JSObject) {
self.wrap_object_shared(cx, scope);
}
}
impl CacheableWrapper for EventTarget {
fn get_wrappercache(&mut self) -> &mut WrapperCache {
unsafe { cast::transmute(&self.wrapper) }
}
fn wrap_object_shared(@mut self, cx: *JSContext, scope: *JSObject) -> *JSObject {
let mut unused = false;
EventTargetBinding::Wrap(cx, scope, self, &mut unused)
}
}
impl BindingObject for EventTarget {
fn GetParentObject(&self, cx: *JSContext) -> Option<@mut CacheableWrapper> {
let page = page_from_context(cx);
// TODO(tkuehn): This only handles top-level pages. Needs to handle subframes.
unsafe {
Some((*page).frame.get_ref().window as @mut CacheableWrapper)
}
}
}
impl DerivedWrapper for EventTarget {
fn wrap(&mut self, _cx: *JSContext, _scope: *JSObject, _vp: *mut JSVal) -> i32 {
fail!(~"nyi")
}
#[fixed_stack_segment]
fn wrap_shared(@mut self, cx: *JSContext, scope: *JSObject, vp: *mut JSVal) -> i32 {
let obj = self.wrap_object_shared(cx, scope);
if obj.is_null() {
return 0;
} else {
unsafe {
*vp = RUST_OBJECT_TO_JSVAL(obj)
};
return 1;
}
}
}
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