зеркало из https://github.com/mozilla/pjs.git
95 строки
3.4 KiB
C++
95 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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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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* Wellington Fernando de Macedo.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Wellington Fernando de Macedo <wfernandom2004@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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#ifndef nsDOMEventTargetWrapperCache_h__
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#define nsDOMEventTargetWrapperCache_h__
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#include "nsDOMEventTargetHelper.h"
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#include "nsWrapperCache.h"
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#include "nsIScriptContext.h"
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// Base class intended to be used for objets like XMLHttpRequest,
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// EventSource and WebSocket.
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class nsDOMEventTargetWrapperCache : public nsDOMEventTargetHelper,
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public nsWrapperCache
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(nsDOMEventTargetWrapperCache,
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nsDOMEventTargetHelper)
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void GetParentObject(nsIScriptGlobalObject **aParentObject)
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{
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if (mOwner) {
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CallQueryInterface(mOwner, aParentObject);
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}
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else {
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*aParentObject = nsnull;
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}
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}
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static nsDOMEventTargetWrapperCache* FromSupports(nsISupports* aSupports)
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{
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nsPIDOMEventTarget* target =
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static_cast<nsPIDOMEventTarget*>(aSupports);
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#ifdef DEBUG
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{
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nsCOMPtr<nsPIDOMEventTarget> target_qi =
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do_QueryInterface(aSupports);
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// If this assertion fires the QI implementation for the object in
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// question doesn't use the nsPIDOMEventTarget pointer as the
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// nsISupports pointer. That must be fixed, or we'll crash...
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NS_ASSERTION(target_qi == target, "Uh, fix QI!");
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}
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#endif
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return static_cast<nsDOMEventTargetWrapperCache*>(target);
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}
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protected:
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nsDOMEventTargetWrapperCache() : nsDOMEventTargetHelper(), nsWrapperCache() {}
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virtual ~nsDOMEventTargetWrapperCache();
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};
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#endif // nsDOMEventTargetWrapperCache_h__
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