/* -*- 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