mirror of
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79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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 nsPrintPreviewListener_h__
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#define nsPrintPreviewListener_h__
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// Interfaces needed to be included
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#include "nsIDOMEventListener.h"
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#include "nsIDOMEventTarget.h"
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// Helper Classes
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#include "nsCOMPtr.h"
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//
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// class nsPrintPreviewListener
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//
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// The class that listens to the chrome events and tells the embedding
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// chrome to show context menus, as appropriate. Handles registering itself
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// with the DOM with AddChromeListeners() and removing itself with
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// RemoveChromeListeners().
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//
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class nsPrintPreviewListener : public nsIDOMEventListener
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMEVENTLISTENER
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nsPrintPreviewListener(nsIDOMEventTarget* aTarget);
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// Add/remove the relevant listeners, based on what interfaces
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// the embedding chrome implements.
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nsresult AddListeners();
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nsresult RemoveListeners();
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private:
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nsCOMPtr<nsIDOMEventTarget> mEventTarget;
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}; // class nsPrintPreviewListener
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#endif /* nsPrintPreviewListener_h__ */
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