зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.3 KiB
C++
87 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
// vim:cindent:tabstop=2:expandtab:shiftwidth=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/. */
|
|
|
|
/* a CSS style sheet returned from nsIStyleSheetService.preloadSheet */
|
|
|
|
#ifndef mozilla_PreloadedStyleSheet_h
|
|
#define mozilla_PreloadedStyleSheet_h
|
|
|
|
#include "mozilla/css/SheetParsingMode.h"
|
|
#include "mozilla/NotNull.h"
|
|
#include "mozilla/Result.h"
|
|
#include "mozilla/StyleBackendType.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "nsICSSLoaderObserver.h"
|
|
#include "nsIPreloadedStyleSheet.h"
|
|
|
|
class nsIURI;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
class Promise;
|
|
}
|
|
|
|
class StyleSheet;
|
|
|
|
class PreloadedStyleSheet : public nsIPreloadedStyleSheet
|
|
{
|
|
public:
|
|
// *aResult is addrefed.
|
|
static nsresult Create(nsIURI* aURI, css::SheetParsingMode aParsingMode,
|
|
PreloadedStyleSheet** aResult);
|
|
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_CLASS(PreloadedStyleSheet)
|
|
|
|
// *aResult is not addrefed, since the PreloadedStyleSheet holds a strong
|
|
// reference to the sheet.
|
|
nsresult GetSheet(StyleBackendType aType, StyleSheet** aResult);
|
|
|
|
nsresult Preload();
|
|
nsresult PreloadAsync(NotNull<dom::Promise*> aPromise);
|
|
|
|
protected:
|
|
virtual ~PreloadedStyleSheet() {}
|
|
|
|
private:
|
|
PreloadedStyleSheet(nsIURI* aURI, css::SheetParsingMode aParsingMode);
|
|
|
|
class StylesheetPreloadObserver final : public nsICSSLoaderObserver
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
|
|
explicit StylesheetPreloadObserver(NotNull<dom::Promise*> aPromise,
|
|
PreloadedStyleSheet* aSheet)
|
|
: mPromise(aPromise)
|
|
, mPreloadedSheet(aSheet)
|
|
{}
|
|
|
|
NS_IMETHOD StyleSheetLoaded(StyleSheet* aSheet,
|
|
bool aWasAlternate,
|
|
nsresult aStatus) override;
|
|
|
|
protected:
|
|
virtual ~StylesheetPreloadObserver() {}
|
|
|
|
private:
|
|
RefPtr<dom::Promise> mPromise;
|
|
RefPtr<PreloadedStyleSheet> mPreloadedSheet;
|
|
};
|
|
|
|
RefPtr<StyleSheet> mGecko;
|
|
RefPtr<StyleSheet> mServo;
|
|
|
|
bool mLoaded;
|
|
nsCOMPtr<nsIURI> mURI;
|
|
css::SheetParsingMode mParsingMode;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_PreloadedStyleSheet_h
|