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