gecko-dev/layout/base/nsStyleSheetService.h

70 lines
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
/* implementation of interface for managing user and user-agent style sheets */
#ifndef nsStyleSheetService_h_
#define nsStyleSheetService_h_
#include "nsIStyleSheetService.h"
#include "nsCOMArray.h"
#include "nsIStyleSheet.h"
#include "mozilla/Attributes.h"
class nsISimpleEnumerator;
class nsICategoryManager;
#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 nsIMemoryReporter;
class nsStyleSheetService MOZ_FINAL : public nsIStyleSheetService
{
public:
nsStyleSheetService() NS_HIDDEN;
~nsStyleSheetService() NS_HIDDEN;
NS_DECL_ISUPPORTS
NS_DECL_NSISTYLESHEETSERVICE
NS_HIDDEN_(nsresult) Init();
nsCOMArray<nsIStyleSheet>* AgentStyleSheets() { return &mSheets[AGENT_SHEET]; }
nsCOMArray<nsIStyleSheet>* UserStyleSheets() { return &mSheets[USER_SHEET]; }
nsCOMArray<nsIStyleSheet>* AuthorStyleSheets() { return &mSheets[AUTHOR_SHEET]; }
static size_t SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf);
static nsStyleSheetService *GetInstance();
static nsStyleSheetService *gInstance;
private:
NS_HIDDEN_(void) RegisterFromEnumerator(nsICategoryManager *aManager,
const char *aCategory,
nsISimpleEnumerator *aEnumerator,
uint32_t aSheetType);
NS_HIDDEN_(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].
NS_HIDDEN_(nsresult) LoadAndRegisterSheetInternal(nsIURI *aSheetURI,
uint32_t aSheetType);
size_t SizeOfIncludingThisHelper(nsMallocSizeOfFun aMallocSizeOf) const;
nsCOMArray<nsIStyleSheet> mSheets[3];
nsIMemoryReporter* mReporter;
};
#endif