зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
1.4 KiB
C++
52 строки
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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__ */
|