зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
3.1 KiB
C++
101 строка
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "CustomEvent.h"
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#include "mozilla/dom/CustomEventBinding.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "nsContentUtils.h"
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#include "nsIXPConnect.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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CustomEvent::CustomEvent(mozilla::dom::EventTarget* aOwner,
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nsPresContext* aPresContext,
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mozilla::WidgetEvent* aEvent)
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: Event(aOwner, aPresContext, aEvent)
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, mDetail(JS::NullValue())
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{
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mozilla::HoldJSObjects(this);
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}
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CustomEvent::~CustomEvent()
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{
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mozilla::DropJSObjects(this);
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(CustomEvent)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(CustomEvent, Event)
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tmp->mDetail.setUndefined();
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mozilla::DropJSObjects(this);
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(CustomEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(CustomEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mDetail)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_IMPL_ADDREF_INHERITED(CustomEvent, Event)
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NS_IMPL_RELEASE_INHERITED(CustomEvent, Event)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CustomEvent)
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NS_INTERFACE_MAP_END_INHERITING(Event)
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already_AddRefed<CustomEvent>
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CustomEvent::Constructor(const GlobalObject& aGlobal,
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const nsAString& aType,
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const CustomEventInit& aParam,
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ErrorResult& aRv)
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{
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nsCOMPtr<mozilla::dom::EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
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RefPtr<CustomEvent> e = new CustomEvent(t, nullptr, nullptr);
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bool trusted = e->Init(t);
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JS::Rooted<JS::Value> detail(aGlobal.Context(), aParam.mDetail);
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e->InitCustomEvent(aGlobal.Context(), aType, aParam.mBubbles, aParam.mCancelable, detail);
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e->SetTrusted(trusted);
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e->SetComposed(aParam.mComposed);
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return e.forget();
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}
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JSObject*
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CustomEvent::WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return mozilla::dom::CustomEventBinding::Wrap(aCx, this, aGivenProto);
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}
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void
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CustomEvent::InitCustomEvent(JSContext* aCx,
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const nsAString& aType,
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bool aCanBubble,
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bool aCancelable,
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JS::Handle<JS::Value> aDetail)
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{
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NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
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Event::InitEvent(aType, aCanBubble, aCancelable);
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mDetail = aDetail;
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}
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void
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CustomEvent::GetDetail(JSContext* aCx,
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JS::MutableHandle<JS::Value> aRetval)
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{
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aRetval.set(mDetail);
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}
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already_AddRefed<CustomEvent>
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NS_NewDOMCustomEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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mozilla::WidgetEvent* aEvent)
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{
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RefPtr<CustomEvent> it =
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new CustomEvent(aOwner, aPresContext, aEvent);
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return it.forget();
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}
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