54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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// Helper Classes
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#include "nsCOMPtr.h"
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#include "mozilla/Attributes.h"
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namespace mozilla {
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namespace dom {
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class EventTarget;
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} // namespace dom
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} // namespace mozilla
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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 final : 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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explicit nsPrintPreviewListener(mozilla::dom::EventTarget* 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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~nsPrintPreviewListener();
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nsCOMPtr<mozilla::dom::EventTarget> mEventTarget;
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}; // class nsPrintPreviewListener
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#endif /* nsPrintPreviewListener_h__ */
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