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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsPrintPreviewListener_h__
#define nsPrintPreviewListener_h__
// Interfaces needed to be included
#include "nsIDOMEventListener.h"
// Helper Classes
#include "nsCOMPtr.h"
#include "mozilla/Attributes.h"
namespace mozilla {
namespace dom {
class EventTarget;
} // namespace dom
} // namespace mozilla
//
// class nsPrintPreviewListener
//
// The class that listens to the chrome events and tells the embedding
// chrome to show context menus, as appropriate. Handles registering itself
// with the DOM with AddChromeListeners() and removing itself with
// RemoveChromeListeners().
//
class nsPrintPreviewListener final : public nsIDOMEventListener
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
explicit nsPrintPreviewListener(mozilla::dom::EventTarget* aTarget);
// Add/remove the relevant listeners, based on what interfaces
// the embedding chrome implements.
nsresult AddListeners();
nsresult RemoveListeners();
private:
~nsPrintPreviewListener();
nsCOMPtr<mozilla::dom::EventTarget> mEventTarget;
}; // class nsPrintPreviewListener
#endif /* nsPrintPreviewListener_h__ */
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