mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-03 02:25:34 +00:00
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 ZoomConstraintsClient_h_
|
|
#define ZoomConstraintsClient_h_
|
|
|
|
#include "FrameMetrics.h"
|
|
#include "mozilla/Maybe.h"
|
|
#include "nsIDOMEventListener.h"
|
|
#include "nsIObserver.h"
|
|
#include "nsWeakPtr.h"
|
|
|
|
class nsIDOMEventTarget;
|
|
class nsIDocument;
|
|
class nsIPresShell;
|
|
|
|
class ZoomConstraintsClient final : public nsIDOMEventListener,
|
|
public nsIObserver
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIDOMEVENTLISTENER
|
|
NS_DECL_NSIOBSERVER
|
|
|
|
ZoomConstraintsClient();
|
|
|
|
private:
|
|
~ZoomConstraintsClient();
|
|
|
|
public:
|
|
void Init(nsIPresShell* aPresShell, nsIDocument *aDocument);
|
|
void Destroy();
|
|
void ScreenSizeChanged();
|
|
|
|
private:
|
|
void RefreshZoomConstraints();
|
|
|
|
nsCOMPtr<nsIDocument> mDocument;
|
|
nsIPresShell* MOZ_NON_OWNING_REF mPresShell; // raw ref since the presShell owns this
|
|
nsCOMPtr<nsIDOMEventTarget> mEventTarget;
|
|
mozilla::Maybe<mozilla::layers::ScrollableLayerGuid> mGuid;
|
|
};
|
|
|
|
#endif
|