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https://github.com/mozilla/gecko-dev.git
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5c55e4b983
MozReview-Commit-ID: L37tnRAAJbQ --HG-- extra : rebase_source : 1d073c4fadcc8372b5afe55f648bcb1c276f4de2 extra : source : 09e1b57c52fbfe3145b47d80ac098c487970d8b4
85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/* -*- 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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/* a CSS style sheet returned from nsIStyleSheetService.preloadSheet */
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#ifndef mozilla_PreloadedStyleSheet_h
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#define mozilla_PreloadedStyleSheet_h
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#include "mozilla/css/SheetParsingMode.h"
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#include "mozilla/NotNull.h"
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#include "mozilla/Result.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsICSSLoaderObserver.h"
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#include "nsIPreloadedStyleSheet.h"
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class nsIURI;
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namespace mozilla {
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namespace dom {
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class Promise;
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}
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class StyleSheet;
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class PreloadedStyleSheet : public nsIPreloadedStyleSheet
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{
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public:
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// *aResult is addrefed.
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static nsresult Create(nsIURI* aURI, css::SheetParsingMode aParsingMode,
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PreloadedStyleSheet** aResult);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(PreloadedStyleSheet)
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// *aResult is not addrefed, since the PreloadedStyleSheet holds a strong
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// reference to the sheet.
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nsresult GetSheet(StyleSheet** aResult);
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nsresult Preload();
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nsresult PreloadAsync(NotNull<dom::Promise*> aPromise);
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protected:
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virtual ~PreloadedStyleSheet() {}
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private:
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PreloadedStyleSheet(nsIURI* aURI, css::SheetParsingMode aParsingMode);
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class StylesheetPreloadObserver final : public nsICSSLoaderObserver
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{
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public:
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NS_DECL_ISUPPORTS
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explicit StylesheetPreloadObserver(NotNull<dom::Promise*> aPromise,
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PreloadedStyleSheet* aSheet)
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: mPromise(aPromise)
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, mPreloadedSheet(aSheet)
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{}
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NS_IMETHOD StyleSheetLoaded(StyleSheet* aSheet,
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bool aWasAlternate,
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nsresult aStatus) override;
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protected:
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virtual ~StylesheetPreloadObserver() {}
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private:
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RefPtr<dom::Promise> mPromise;
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RefPtr<PreloadedStyleSheet> mPreloadedSheet;
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};
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RefPtr<StyleSheet> mSheet;
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bool mLoaded;
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nsCOMPtr<nsIURI> mURI;
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css::SheetParsingMode mParsingMode;
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};
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} // namespace mozilla
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#endif // mozilla_PreloadedStyleSheet_h
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