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/* -*- 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 mozilla_dom_ChromeObserver_h
#define mozilla_dom_ChromeObserver_h
#include "nsStubMutationObserver.h"
class nsIWidget;
namespace mozilla::dom {
class Document;
class ChromeObserver final : public nsStubMutationObserver {
public:
NS_DECL_ISUPPORTS
explicit ChromeObserver(Document* aDocument);
void Init();
NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
protected:
nsIWidget* GetWindowWidget();
void SetDrawsInTitlebar(bool aState);
void SetDrawsTitle(bool aState);
void SetChromeMargins(const nsAttrValue* aValue);
nsresult HideWindowChrome(bool aShouldHide);
private:
void ResetChromeMargins();
~ChromeObserver();
// A weak pointer cleared when the element will be destroyed.
Document* MOZ_NON_OWNING_REF mDocument;
};
} // namespace mozilla::dom
#endif // mozilla_dom_ChromeObserver_h
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