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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "CustomEvent.h"
#include "mozilla/dom/CustomEventBinding.h"
#include "mozilla/dom/BindingUtils.h"
#include "nsContentUtils.h"
#include "nsIXPConnect.h"
using namespace mozilla;
using namespace mozilla::dom;
CustomEvent::CustomEvent(mozilla::dom::EventTarget* aOwner,
nsPresContext* aPresContext,
mozilla::WidgetEvent* aEvent)
: Event(aOwner, aPresContext, aEvent)
, mDetail(JS::NullValue())
{
mozilla::HoldJSObjects(this);
}
CustomEvent::~CustomEvent()
{
mozilla::DropJSObjects(this);
}
NS_IMPL_CYCLE_COLLECTION_CLASS(CustomEvent)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(CustomEvent, Event)
tmp->mDetail.setUndefined();
mozilla::DropJSObjects(this);
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(CustomEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(CustomEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mDetail)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_ADDREF_INHERITED(CustomEvent, Event)
NS_IMPL_RELEASE_INHERITED(CustomEvent, Event)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(CustomEvent)
NS_INTERFACE_MAP_ENTRY(nsIDOMCustomEvent)
NS_INTERFACE_MAP_END_INHERITING(Event)
already_AddRefed<CustomEvent>
CustomEvent::Constructor(const GlobalObject& aGlobal,
const nsAString& aType,
const CustomEventInit& aParam,
ErrorResult& aRv)
{
nsCOMPtr<mozilla::dom::EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<CustomEvent> e = new CustomEvent(t, nullptr, nullptr);
bool trusted = e->Init(t);
JS::Rooted<JS::Value> detail(aGlobal.Context(), aParam.mDetail);
e->InitCustomEvent(aGlobal.Context(), aType, aParam.mBubbles, aParam.mCancelable, detail, aRv);
e->SetTrusted(trusted);
e->SetComposed(aParam.mComposed);
return e.forget();
}
JSObject*
CustomEvent::WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return mozilla::dom::CustomEventBinding::Wrap(aCx, this, aGivenProto);
}
NS_IMETHODIMP
CustomEvent::InitCustomEvent(const nsAString& aType,
bool aCanBubble,
bool aCancelable,
nsIVariant* aDetail)
{
NS_ENSURE_TRUE(!mEvent->mFlags.mIsBeingDispatched, NS_OK);
AutoJSAPI jsapi;
NS_ENSURE_STATE(jsapi.Init(GetParentObject()));
JSContext* cx = jsapi.cx();
JS::Rooted<JS::Value> detail(cx);
if (!aDetail) {
detail = JS::NullValue();
} else if (NS_WARN_IF(!VariantToJsval(cx, aDetail, &detail))) {
JS_ClearPendingException(cx);
return NS_ERROR_FAILURE;
}
Event::InitEvent(aType, aCanBubble, aCancelable);
mDetail = detail;
return NS_OK;
}
void
CustomEvent::InitCustomEvent(JSContext* aCx,
const nsAString& aType,
bool aCanBubble,
bool aCancelable,
JS::Handle<JS::Value> aDetail,
ErrorResult& aRv)
{
NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
Event::InitEvent(aType, aCanBubble, aCancelable);
mDetail = aDetail;
}
NS_IMETHODIMP
CustomEvent::GetDetail(nsIVariant** aDetail)
{
if (mDetail.isNull()) {
*aDetail = nullptr;
return NS_OK;
}
AutoJSAPI jsapi;
NS_ENSURE_STATE(jsapi.Init(GetParentObject()));
JSContext* cx = jsapi.cx();
JS::Rooted<JS::Value> detail(cx, mDetail);
nsIXPConnect* xpc = nsContentUtils::XPConnect();
if (NS_WARN_IF(!xpc)) {
return NS_ERROR_FAILURE;
}
return xpc->JSToVariant(cx, detail, aDetail);
}
void
CustomEvent::GetDetail(JSContext* aCx,
JS::MutableHandle<JS::Value> aRetval)
{
aRetval.set(mDetail);
}
already_AddRefed<CustomEvent>
NS_NewDOMCustomEvent(EventTarget* aOwner,
nsPresContext* aPresContext,
mozilla::WidgetEvent* aEvent)
{
RefPtr<CustomEvent> it =
new CustomEvent(aOwner, aPresContext, aEvent);
return it.forget();
}
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