зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
1.3 KiB
C++
51 строка
1.3 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 ZoomConstraintsClient_h_
|
|
#define ZoomConstraintsClient_h_
|
|
|
|
#include "mozilla/layers/ScrollableLayerGuid.h"
|
|
#include "mozilla/Maybe.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIDOMEventListener.h"
|
|
#include "nsIObserver.h"
|
|
|
|
namespace mozilla {
|
|
class PresShell;
|
|
namespace dom {
|
|
class EventTarget;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
class ZoomConstraintsClient final : public nsIDOMEventListener,
|
|
public nsIObserver {
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIDOMEVENTLISTENER
|
|
NS_DECL_NSIOBSERVER
|
|
|
|
ZoomConstraintsClient();
|
|
|
|
private:
|
|
~ZoomConstraintsClient();
|
|
|
|
public:
|
|
void Init(mozilla::PresShell* aPresShell, mozilla::dom::Document* aDocument);
|
|
void Destroy();
|
|
void ScreenSizeChanged();
|
|
|
|
private:
|
|
void RefreshZoomConstraints();
|
|
|
|
RefPtr<mozilla::dom::Document> mDocument;
|
|
// raw ref since the presShell owns this
|
|
mozilla::PresShell* MOZ_NON_OWNING_REF mPresShell;
|
|
nsCOMPtr<mozilla::dom::EventTarget> mEventTarget;
|
|
mozilla::Maybe<mozilla::layers::ScrollableLayerGuid> mGuid;
|
|
};
|
|
|
|
#endif
|