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-rw-r--r--dom/events/CustomEvent.cpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/dom/events/CustomEvent.cpp b/dom/events/CustomEvent.cpp
new file mode 100644
index 000000000..3b3fb3fdd
--- /dev/null
+++ b/dom/events/CustomEvent.cpp
@@ -0,0 +1,149 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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();
+}