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111 lines
4.0 KiB
C++
111 lines
4.0 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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* Olli Pettay.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Olli Pettay <Olli.Pettay@helsinki.fi> (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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#ifndef nsXMLEventsManager_h___
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#define nsXMLEventsManager_h___
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#include "nsCOMPtr.h"
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#include "nsIDocument.h"
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#include "nsIContent.h"
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#include "nsCOMArray.h"
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#include "nsIDOMEventListener.h"
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#include "nsInterfaceHashtable.h"
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#include "nsIAtom.h"
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/*
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* The implementation of the XML Events Basic profile
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*/
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class nsXMLEventsManager;
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class nsXMLEventsListener : public nsIDOMEventListener {
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public:
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static PRBool InitXMLEventsListener(nsIDocument * aDocument,
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nsXMLEventsManager * aManager,
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nsIContent * aContent);
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nsXMLEventsListener(nsXMLEventsManager * aManager,
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nsIContent * aElement,
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nsIContent* aObserver,
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nsIContent * aHandler,
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const nsAString& aEvent,
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PRBool aPhase,
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PRBool aStopPropagation,
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PRBool aCancelDefault,
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const nsAString& aTarget);
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~nsXMLEventsListener();
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void Unregister();
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//Removes this event listener from observer and adds the element back to the
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//list of incomplete XML Events declarations in XMLEventsManager
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void SetIncomplete();
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PRBool ObserverEquals(nsIContent * aTarget);
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PRBool HandlerEquals(nsIContent * aTarget);
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMEVENTLISTENER
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private:
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nsXMLEventsManager * mManager;
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nsCOMPtr<nsIContent> mElement;
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nsCOMPtr<nsIContent> mObserver;
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nsCOMPtr<nsIContent> mHandler;
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nsString mEvent;
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nsCOMPtr<nsIAtom> mTarget;
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PRPackedBool mPhase;
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PRPackedBool mStopPropagation;
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PRPackedBool mCancelDefault;
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};
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class nsXMLEventsManager : public nsIDocumentObserver {
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public:
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nsXMLEventsManager();
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~nsXMLEventsManager();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOCUMENTOBSERVER
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void AddXMLEventsContent(nsIContent * aContent);
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void RemoveXMLEventsContent(nsIContent * aContent);
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void AddListener(nsIContent * aContent, nsXMLEventsListener * aListener);
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//Returns PR_TRUE if a listener was removed.
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PRBool RemoveListener(nsIContent * aXMLElement);
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private:
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void AddListeners(nsIDocument* aDocument);
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nsInterfaceHashtable<nsISupportsHashKey,nsXMLEventsListener> mListeners;
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nsCOMArray<nsIContent> mIncomplete;
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};
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#endif /* nsXMLEventsManager_h___ */
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