forked from mirrors/gecko-dev
76 lines
2.4 KiB
C++
76 lines
2.4 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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/* implementation of interface for managing user and user-agent style sheets */
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#ifndef nsStyleSheetService_h_
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#define nsStyleSheetService_h_
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#include "nsIMemoryReporter.h"
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#include "nsIStyleSheetService.h"
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#include "mozilla/Array.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/StyleSheet.h"
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class nsISimpleEnumerator;
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namespace mozilla {
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class PresShell;
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} // namespace mozilla
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#define NS_STYLESHEETSERVICE_CID \
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{ \
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0x3b55e72e, 0xab7e, 0x431b, { \
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0x89, 0xc0, 0x3b, 0x06, 0xa8, 0xb1, 0x40, 0x16 \
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} \
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}
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#define NS_STYLESHEETSERVICE_CONTRACTID \
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"@mozilla.org/content/style-sheet-service;1"
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class nsStyleSheetService final : public nsIStyleSheetService,
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public nsIMemoryReporter {
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public:
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typedef nsTArray<RefPtr<mozilla::StyleSheet>> SheetArray;
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nsStyleSheetService();
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NS_DECL_ISUPPORTS
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NS_DECL_NSISTYLESHEETSERVICE
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NS_DECL_NSIMEMORYREPORTER
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nsresult Init();
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SheetArray* AgentStyleSheets() { return &mSheets[AGENT_SHEET]; }
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SheetArray* UserStyleSheets() { return &mSheets[USER_SHEET]; }
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SheetArray* AuthorStyleSheets() { return &mSheets[AUTHOR_SHEET]; }
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void RegisterPresShell(mozilla::PresShell* aPresShell);
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void UnregisterPresShell(mozilla::PresShell* aPresShell);
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size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
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static nsStyleSheetService* GetInstance();
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static nsStyleSheetService* gInstance;
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private:
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~nsStyleSheetService();
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int32_t FindSheetByURI(uint32_t aSheetType, nsIURI* aSheetURI);
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// Like LoadAndRegisterSheet, but doesn't notify. If successful, the
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// new sheet will be the last sheet in mSheets[aSheetType].
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nsresult LoadAndRegisterSheetInternal(nsIURI* aSheetURI, uint32_t aSheetType);
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mozilla::Array<SheetArray, 3> mSheets;
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// Registered PresShells that will be notified when sheets are added and
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// removed from the style sheet service.
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nsTArray<RefPtr<mozilla::PresShell>> mPresShells;
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};
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#endif
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