зеркало из https://github.com/mozilla/gecko-dev.git
102 строки
2.9 KiB
C++
102 строки
2.9 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 "mozilla/dom/DataContainerEvent.h"
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#include "nsContentUtils.h"
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#include "nsIDocument.h"
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#include "nsIXPConnect.h"
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namespace mozilla {
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namespace dom {
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DataContainerEvent::DataContainerEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetEvent* aEvent)
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: Event(aOwner, aPresContext, aEvent)
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{
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nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(mOwner);
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if (win) {
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if (nsIDocument* doc = win->GetExtantDoc()) {
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doc->WarnOnceAbout(nsIDocument::eDataContainerEvent);
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}
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}
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(DataContainerEvent)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(DataContainerEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mData)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(DataContainerEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mData)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_ADDREF_INHERITED(DataContainerEvent, Event)
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NS_IMPL_RELEASE_INHERITED(DataContainerEvent, Event)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DataContainerEvent)
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NS_INTERFACE_MAP_ENTRY(nsIDOMDataContainerEvent)
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NS_INTERFACE_MAP_END_INHERITING(Event)
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NS_IMETHODIMP
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DataContainerEvent::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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DataContainerEvent::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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DataContainerEvent::SetData(JSContext* aCx, const nsAString& aKey,
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JS::Handle<JS::Value> aVal,
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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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} // namespace dom
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} // namespace mozilla
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using namespace mozilla;
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using namespace mozilla::dom;
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nsresult
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NS_NewDOMDataContainerEvent(nsIDOMEvent** aInstancePtrResult,
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EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetEvent* aEvent)
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{
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DataContainerEvent* it = new DataContainerEvent(aOwner, aPresContext, aEvent);
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NS_ADDREF(it);
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*aInstancePtrResult = static_cast<Event*>(it);
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return NS_OK;
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}
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