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: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "nsDOMDataContainerEvent.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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nsDOMDataContainerEvent::nsDOMDataContainerEvent(
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mozilla::dom::EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetEvent* aEvent)
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: nsDOMEvent(aOwner, aPresContext, aEvent)
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{
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(nsDOMDataContainerEvent)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsDOMDataContainerEvent,
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nsDOMEvent)
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tmp->mData.Clear();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(nsDOMDataContainerEvent,
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nsDOMEvent)
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tmp->mData.EnumerateRead(TraverseEntry, &cb);
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_ADDREF_INHERITED(nsDOMDataContainerEvent, nsDOMEvent)
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NS_IMPL_RELEASE_INHERITED(nsDOMDataContainerEvent, nsDOMEvent)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(nsDOMDataContainerEvent)
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NS_INTERFACE_MAP_ENTRY(nsIDOMDataContainerEvent)
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NS_INTERFACE_MAP_END_INHERITING(nsDOMEvent)
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NS_IMETHODIMP
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nsDOMDataContainerEvent::GetData(const nsAString& aKey, nsIVariant **aData)
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{
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NS_ENSURE_ARG_POINTER(aData);
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mData.Get(aKey, aData);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDOMDataContainerEvent::SetData(const nsAString& aKey, nsIVariant *aData)
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{
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NS_ENSURE_ARG(aData);
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// Make sure this event isn't already being dispatched.
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NS_ENSURE_STATE(!mEvent->mFlags.mIsBeingDispatched);
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mData.Put(aKey, aData);
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return NS_OK;
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}
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void
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nsDOMDataContainerEvent::SetData(JSContext* aCx, const nsAString& aKey,
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JS::Handle<JS::Value> aVal,
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mozilla::ErrorResult& aRv)
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{
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if (!nsContentUtils::XPConnect()) {
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aRv = NS_ERROR_FAILURE;
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return;
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}
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nsCOMPtr<nsIVariant> val;
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nsresult rv =
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nsContentUtils::XPConnect()->JSToVariant(aCx, aVal, getter_AddRefs(val));
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if (NS_FAILED(rv)) {
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aRv = rv;
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return;
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}
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aRv = SetData(aKey, val);
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}
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nsresult
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NS_NewDOMDataContainerEvent(nsIDOMEvent** aInstancePtrResult,
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mozilla::dom::EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetEvent* aEvent)
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{
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nsDOMDataContainerEvent* it =
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new nsDOMDataContainerEvent(aOwner, aPresContext, aEvent);
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return CallQueryInterface(it, aInstancePtrResult);
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}
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PLDHashOperator
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nsDOMDataContainerEvent::TraverseEntry(const nsAString& aKey,
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nsIVariant *aDataItem,
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void* aUserArg)
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{
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nsCycleCollectionTraversalCallback *cb =
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static_cast<nsCycleCollectionTraversalCallback*>(aUserArg);
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cb->NoteXPCOMChild(aDataItem);
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return PL_DHASH_NEXT;
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}
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