зеркало из https://github.com/mozilla/gecko-dev.git
47 строки
1.2 KiB
C
47 строки
1.2 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_ChromeObserver_h
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#define mozilla_dom_ChromeObserver_h
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#include "nsStubMutationObserver.h"
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class nsIWidget;
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namespace mozilla {
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namespace dom {
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class Document;
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class ChromeObserver final : public nsStubMutationObserver {
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public:
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NS_DECL_ISUPPORTS
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explicit ChromeObserver(Document* aDocument);
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void Init();
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NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
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NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
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protected:
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nsIWidget* GetWindowWidget();
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void SetDrawsInTitlebar(bool aState);
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void SetDrawsTitle(bool aState);
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void UpdateBrightTitlebarForeground();
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void SetChromeMargins(const nsAttrValue* aValue);
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nsresult HideWindowChrome(bool aShouldHide);
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private:
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void ResetChromeMargins();
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~ChromeObserver();
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// A weak pointer cleared when the element will be destroyed.
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Document* MOZ_NON_OWNING_REF mDocument;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_ChromeObserver_h
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