/usr/include/thunderbird-11.0.1/nsDOMEventTargetHelper.h is in thunderbird-dev 11.0.1+build1-0ubuntu2.
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Olli Pettay <Olli.Pettay@helsinki.fi>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
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* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsDOMEventTargetHelper_h_
#define nsDOMEventTargetHelper_h_
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsIDOMEventTarget.h"
#include "nsIDOMEventListener.h"
#include "nsCycleCollectionParticipant.h"
#include "nsPIDOMWindow.h"
#include "nsIScriptGlobalObject.h"
#include "nsEventListenerManager.h"
#include "nsIScriptContext.h"
class nsDOMEventListenerWrapper : public nsIDOMEventListener
{
public:
nsDOMEventListenerWrapper(nsIDOMEventListener* aListener)
: mListener(aListener) {}
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(nsDOMEventListenerWrapper)
NS_DECL_NSIDOMEVENTLISTENER
nsIDOMEventListener* GetInner() { return mListener; }
protected:
nsCOMPtr<nsIDOMEventListener> mListener;
};
class nsDOMEventTargetHelper : public nsIDOMEventTarget
{
public:
nsDOMEventTargetHelper() {}
virtual ~nsDOMEventTargetHelper();
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(nsDOMEventTargetHelper)
NS_DECL_NSIDOMEVENTTARGET
bool HasListenersFor(const nsAString& aType)
{
return mListenerManager && mListenerManager->HasListenersFor(aType);
}
nsresult RemoveAddEventListener(const nsAString& aType,
nsRefPtr<nsDOMEventListenerWrapper>& aCurrent,
nsIDOMEventListener* aNew);
nsresult GetInnerEventListener(nsRefPtr<nsDOMEventListenerWrapper>& aWrapper,
nsIDOMEventListener** aListener);
nsresult CheckInnerWindowCorrectness()
{
if (mOwner) {
NS_ASSERTION(mOwner->IsInnerWindow(), "Should have inner window here!\n");
nsPIDOMWindow* outer = mOwner->GetOuterWindow();
if (!outer || outer->GetCurrentInnerWindow() != mOwner) {
return NS_ERROR_FAILURE;
}
}
return NS_OK;
}
protected:
nsRefPtr<nsEventListenerManager> mListenerManager;
// These may be null (native callers or xpcshell).
nsCOMPtr<nsIScriptContext> mScriptContext;
nsCOMPtr<nsPIDOMWindow> mOwner; // Inner window.
};
#endif // nsDOMEventTargetHelper_h_
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