michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "mozilla/dom/DataContainerEvent.h"
michael@0: #include "nsContentUtils.h"
michael@0: #include "nsIDocument.h"
michael@0: #include "nsIXPConnect.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: DataContainerEvent::DataContainerEvent(EventTarget* aOwner,
michael@0:                                        nsPresContext* aPresContext,
michael@0:                                        WidgetEvent* aEvent)
michael@0:   : Event(aOwner, aPresContext, aEvent)
michael@0: {
michael@0:   if (mOwner) {
michael@0:     if (nsIDocument* doc = mOwner->GetExtantDoc()) {
michael@0:       doc->WarnOnceAbout(nsIDocument::eDataContainerEvent);
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_CLASS(DataContainerEvent)
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(DataContainerEvent, Event)
michael@0:   tmp->mData.Clear();
michael@0: NS_IMPL_CYCLE_COLLECTION_UNLINK_END
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(DataContainerEvent, Event)
michael@0:   tmp->mData.EnumerateRead(TraverseEntry, &cb);
michael@0: NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
michael@0: 
michael@0: NS_IMPL_ADDREF_INHERITED(DataContainerEvent, Event)
michael@0: NS_IMPL_RELEASE_INHERITED(DataContainerEvent, Event)
michael@0: 
michael@0: NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DataContainerEvent)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIDOMDataContainerEvent)
michael@0: NS_INTERFACE_MAP_END_INHERITING(Event)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: DataContainerEvent::GetData(const nsAString& aKey, nsIVariant** aData)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aData);
michael@0: 
michael@0:   mData.Get(aKey, aData);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: DataContainerEvent::SetData(const nsAString& aKey, nsIVariant* aData)
michael@0: {
michael@0:   NS_ENSURE_ARG(aData);
michael@0: 
michael@0:   // Make sure this event isn't already being dispatched.
michael@0:   NS_ENSURE_STATE(!mEvent->mFlags.mIsBeingDispatched);
michael@0:   mData.Put(aKey, aData);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: void
michael@0: DataContainerEvent::SetData(JSContext* aCx, const nsAString& aKey,
michael@0:                             JS::Handle<JS::Value> aVal,
michael@0:                             ErrorResult& aRv)
michael@0: {
michael@0:   if (!nsContentUtils::XPConnect()) {
michael@0:     aRv = NS_ERROR_FAILURE;
michael@0:     return;
michael@0:   }
michael@0:   nsCOMPtr<nsIVariant> val;
michael@0:   nsresult rv =
michael@0:     nsContentUtils::XPConnect()->JSToVariant(aCx, aVal, getter_AddRefs(val));
michael@0:   if (NS_FAILED(rv)) {
michael@0:     aRv = rv;
michael@0:     return;
michael@0:   }
michael@0:   aRv = SetData(aKey, val);
michael@0: }
michael@0: 
michael@0: PLDHashOperator
michael@0: DataContainerEvent::TraverseEntry(const nsAString& aKey,
michael@0:                                   nsIVariant* aDataItem,
michael@0:                                   void* aUserArg)
michael@0: {
michael@0:   nsCycleCollectionTraversalCallback *cb =
michael@0:     static_cast<nsCycleCollectionTraversalCallback*>(aUserArg);
michael@0:   cb->NoteXPCOMChild(aDataItem);
michael@0: 
michael@0:   return PL_DHASH_NEXT;
michael@0: }
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: using namespace mozilla;
michael@0: using namespace mozilla::dom;
michael@0: 
michael@0: nsresult
michael@0: NS_NewDOMDataContainerEvent(nsIDOMEvent** aInstancePtrResult,
michael@0:                             EventTarget* aOwner,
michael@0:                             nsPresContext* aPresContext,
michael@0:                             WidgetEvent* aEvent)
michael@0: {
michael@0:   DataContainerEvent* it = new DataContainerEvent(aOwner, aPresContext, aEvent);
michael@0:   NS_ADDREF(it);
michael@0:   *aInstancePtrResult = static_cast<Event*>(it);
michael@0:   return NS_OK;
michael@0: }
michael@0: