1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/events/DataContainerEvent.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,111 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "mozilla/dom/DataContainerEvent.h"
1.10 +#include "nsContentUtils.h"
1.11 +#include "nsIDocument.h"
1.12 +#include "nsIXPConnect.h"
1.13 +
1.14 +namespace mozilla {
1.15 +namespace dom {
1.16 +
1.17 +DataContainerEvent::DataContainerEvent(EventTarget* aOwner,
1.18 + nsPresContext* aPresContext,
1.19 + WidgetEvent* aEvent)
1.20 + : Event(aOwner, aPresContext, aEvent)
1.21 +{
1.22 + if (mOwner) {
1.23 + if (nsIDocument* doc = mOwner->GetExtantDoc()) {
1.24 + doc->WarnOnceAbout(nsIDocument::eDataContainerEvent);
1.25 + }
1.26 + }
1.27 +}
1.28 +
1.29 +NS_IMPL_CYCLE_COLLECTION_CLASS(DataContainerEvent)
1.30 +
1.31 +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(DataContainerEvent, Event)
1.32 + tmp->mData.Clear();
1.33 +NS_IMPL_CYCLE_COLLECTION_UNLINK_END
1.34 +
1.35 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(DataContainerEvent, Event)
1.36 + tmp->mData.EnumerateRead(TraverseEntry, &cb);
1.37 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
1.38 +
1.39 +NS_IMPL_ADDREF_INHERITED(DataContainerEvent, Event)
1.40 +NS_IMPL_RELEASE_INHERITED(DataContainerEvent, Event)
1.41 +
1.42 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DataContainerEvent)
1.43 + NS_INTERFACE_MAP_ENTRY(nsIDOMDataContainerEvent)
1.44 +NS_INTERFACE_MAP_END_INHERITING(Event)
1.45 +
1.46 +NS_IMETHODIMP
1.47 +DataContainerEvent::GetData(const nsAString& aKey, nsIVariant** aData)
1.48 +{
1.49 + NS_ENSURE_ARG_POINTER(aData);
1.50 +
1.51 + mData.Get(aKey, aData);
1.52 + return NS_OK;
1.53 +}
1.54 +
1.55 +NS_IMETHODIMP
1.56 +DataContainerEvent::SetData(const nsAString& aKey, nsIVariant* aData)
1.57 +{
1.58 + NS_ENSURE_ARG(aData);
1.59 +
1.60 + // Make sure this event isn't already being dispatched.
1.61 + NS_ENSURE_STATE(!mEvent->mFlags.mIsBeingDispatched);
1.62 + mData.Put(aKey, aData);
1.63 + return NS_OK;
1.64 +}
1.65 +
1.66 +void
1.67 +DataContainerEvent::SetData(JSContext* aCx, const nsAString& aKey,
1.68 + JS::Handle<JS::Value> aVal,
1.69 + ErrorResult& aRv)
1.70 +{
1.71 + if (!nsContentUtils::XPConnect()) {
1.72 + aRv = NS_ERROR_FAILURE;
1.73 + return;
1.74 + }
1.75 + nsCOMPtr<nsIVariant> val;
1.76 + nsresult rv =
1.77 + nsContentUtils::XPConnect()->JSToVariant(aCx, aVal, getter_AddRefs(val));
1.78 + if (NS_FAILED(rv)) {
1.79 + aRv = rv;
1.80 + return;
1.81 + }
1.82 + aRv = SetData(aKey, val);
1.83 +}
1.84 +
1.85 +PLDHashOperator
1.86 +DataContainerEvent::TraverseEntry(const nsAString& aKey,
1.87 + nsIVariant* aDataItem,
1.88 + void* aUserArg)
1.89 +{
1.90 + nsCycleCollectionTraversalCallback *cb =
1.91 + static_cast<nsCycleCollectionTraversalCallback*>(aUserArg);
1.92 + cb->NoteXPCOMChild(aDataItem);
1.93 +
1.94 + return PL_DHASH_NEXT;
1.95 +}
1.96 +
1.97 +} // namespace dom
1.98 +} // namespace mozilla
1.99 +
1.100 +using namespace mozilla;
1.101 +using namespace mozilla::dom;
1.102 +
1.103 +nsresult
1.104 +NS_NewDOMDataContainerEvent(nsIDOMEvent** aInstancePtrResult,
1.105 + EventTarget* aOwner,
1.106 + nsPresContext* aPresContext,
1.107 + WidgetEvent* aEvent)
1.108 +{
1.109 + DataContainerEvent* it = new DataContainerEvent(aOwner, aPresContext, aEvent);
1.110 + NS_ADDREF(it);
1.111 + *aInstancePtrResult = static_cast<Event*>(it);
1.112 + return NS_OK;
1.113 +}
1.114 +
