119 lines
4.2 KiB
C++
119 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alexander Surkov <surkov.alexander@gmail.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsDOMDataContainerEvent.h"
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#include "nsContentUtils.h"
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nsDOMDataContainerEvent::nsDOMDataContainerEvent(nsPresContext *aPresContext,
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nsEvent *aEvent)
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: nsDOMEvent(aPresContext, aEvent)
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{
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mData.Init();
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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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if (tmp->mData.IsInitialized())
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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_ENTRY_CONTENT_CLASSINFO(DataContainerEvent)
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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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NS_ENSURE_STATE(mData.IsInitialized());
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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(!(NS_IS_EVENT_IN_DISPATCH(mEvent) ||
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(mEvent->flags & NS_EVENT_FLAG_STOP_DISPATCH_IMMEDIATELY)));
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NS_ENSURE_STATE(mData.IsInitialized());
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return mData.Put(aKey, aData) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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nsresult
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NS_NewDOMDataContainerEvent(nsIDOMEvent** aInstancePtrResult,
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nsPresContext* aPresContext,
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nsEvent* aEvent)
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{
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nsDOMDataContainerEvent* it =
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new nsDOMDataContainerEvent(aPresContext, aEvent);
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NS_ENSURE_TRUE(it, NS_ERROR_OUT_OF_MEMORY);
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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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