gecko-dev/layout/base/nsStyleSheetService.h

72 строки
2.3 KiB
C++

/* -*- 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/Attributes.h"
#include "mozilla/MemoryReporting.h"
class nsICategoryManager;
class nsIMemoryReporter;
class nsISimpleEnumerator;
class nsIStyleSheet;
#define NS_STYLESHEETSERVICE_CID \
{0xfcca6f83, 0x9f7d, 0x44e4, {0xa7, 0x4b, 0xb5, 0x94, 0x33, 0xe6, 0xc8, 0xc3}}
#define NS_STYLESHEETSERVICE_CONTRACTID \
"@mozilla.org/content/style-sheet-service;1"
class nsStyleSheetService MOZ_FINAL
: public nsIStyleSheetService
, public nsIMemoryReporter
{
public:
nsStyleSheetService();
~nsStyleSheetService();
NS_DECL_ISUPPORTS
NS_DECL_NSISTYLESHEETSERVICE
NS_DECL_NSIMEMORYREPORTER
nsresult Init();
nsCOMArray<nsIStyleSheet>* AgentStyleSheets() { return &mSheets[AGENT_SHEET]; }
nsCOMArray<nsIStyleSheet>* UserStyleSheets() { return &mSheets[USER_SHEET]; }
nsCOMArray<nsIStyleSheet>* AuthorStyleSheets() { return &mSheets[AUTHOR_SHEET]; }
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
static nsStyleSheetService *GetInstance();
static nsStyleSheetService *gInstance;
private:
void RegisterFromEnumerator(nsICategoryManager *aManager,
const char *aCategory,
nsISimpleEnumerator *aEnumerator,
uint32_t aSheetType);
int32_t FindSheetByURI(const nsCOMArray<nsIStyleSheet> &sheets,
nsIURI *sheetURI);
// 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);
nsCOMArray<nsIStyleSheet> mSheets[3];
};
#endif