gecko-dev/dom/workers/EventTarget.cpp

105 строки
2.9 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* 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/. */
#include "EventTarget.h"
USING_WORKERS_NAMESPACE
using mozilla::ErrorResult;
using namespace mozilla::dom;
void
EventTarget::_trace(JSTracer* aTrc)
{
mListenerManager._trace(aTrc);
DOMBindingBase::_trace(aTrc);
}
void
EventTarget::_finalize(JSFreeOp* aFop)
{
mListenerManager._finalize(aFop);
DOMBindingBase::_finalize(aFop);
}
JSObject*
EventTarget::GetEventListener(const nsAString& aType, ErrorResult& aRv) const
{
JSContext* cx = GetJSContext();
JSString* type =
JS_NewUCStringCopyN(cx, aType.BeginReading(), aType.Length());
if (!type || !(type = JS_InternJSString(cx, type))) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return NULL;
}
return mListenerManager.GetEventListener(INTERNED_STRING_TO_JSID(cx, type));
}
void
EventTarget::SetEventListener(const nsAString& aType,
JS::Handle<JSObject*> aListener,
ErrorResult& aRv)
{
JSContext* cx = GetJSContext();
JSString* type =
JS_NewUCStringCopyN(cx, aType.BeginReading(), aType.Length());
if (!type || !(type = JS_InternJSString(cx, type))) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
mListenerManager.SetEventListener(cx, INTERNED_STRING_TO_JSID(cx, type),
aListener, aRv);
}
void
EventTarget::AddEventListener(const nsAString& aType,
JS::Handle<JSObject*> aListener,
bool aCapturing, Nullable<bool> aWantsUntrusted,
ErrorResult& aRv)
{
if (!aListener) {
return;
}
JSContext* cx = GetJSContext();
JSString* type =
JS_NewUCStringCopyN(cx, aType.BeginReading(), aType.Length());
if (!type || !(type = JS_InternJSString(cx, type))) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
bool wantsUntrusted = !aWantsUntrusted.IsNull() && aWantsUntrusted.Value();
mListenerManager.AddEventListener(cx, INTERNED_STRING_TO_JSID(cx, type),
aListener, aCapturing, wantsUntrusted,
aRv);
}
void
EventTarget::RemoveEventListener(const nsAString& aType,
JS::Handle<JSObject*> aListener,
bool aCapturing, ErrorResult& aRv)
{
if (!aListener) {
return;
}
JSContext* cx = GetJSContext();
JSString* type =
JS_NewUCStringCopyN(cx, aType.BeginReading(), aType.Length());
if (!type || !(type = JS_InternJSString(cx, type))) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
mListenerManager.RemoveEventListener(cx, INTERNED_STRING_TO_JSID(cx, type),
aListener, aCapturing);
}