Back to index

lightning-sunbird  0.9+nobinonly
nsLayoutStylesheetCache.h
Go to the documentation of this file.
00001 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Gecko Layout
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Benjamin Smedberg <bsmedberg@covad.net>
00019  * Portions created by the Initial Developer are Copyright (C) 2004
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
00026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
00029  * under the terms of either the GPL or the LGPL, and not to allow others to
00030  * use your version of this file under the terms of the MPL, indicate your
00031  * decision by deleting the provisions above and replace them with the notice
00032  * and other provisions required by the GPL or the LGPL. If you do not delete
00033  * the provisions above, a recipient may use your version of this file under
00034  * the terms of any one of the MPL, the GPL or the LGPL.
00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #ifndef nsLayoutStylesheetCache_h__
00039 #define nsLayoutStylesheetCache_h__
00040 
00041 #include "nsICSSStyleSheet.h"
00042 #include "nsCOMPtr.h"
00043 #include "nsIObserver.h"
00044 
00045 class nsIFile;
00046 
00047 
00048 class nsLayoutStylesheetCache
00049  : public nsIObserver
00050 {
00051   NS_DECL_ISUPPORTS
00052   NS_DECL_NSIOBSERVER
00053 
00054   static nsICSSStyleSheet* ScrollbarsSheet();
00055   static nsICSSStyleSheet* FormsSheet();
00056   static nsICSSStyleSheet* UserContentSheet();
00057   static nsICSSStyleSheet* UserChromeSheet();
00058 
00059   static void Shutdown();
00060 
00061 private:
00062   nsLayoutStylesheetCache();
00063   ~nsLayoutStylesheetCache();
00064 
00065   static void EnsureGlobal();
00066   void InitFromProfile();
00067   static void LoadSheetFile(nsIFile* aFile, nsCOMPtr<nsICSSStyleSheet> &aSheet);
00068   static void LoadSheet(nsIURI* aURI, nsCOMPtr<nsICSSStyleSheet> &aSheet,
00069                         PRBool aEnableUnsafeRules);
00070 
00071   static nsLayoutStylesheetCache* gStyleCache;
00072   nsCOMPtr<nsICSSStyleSheet> mScrollbarsSheet;
00073   nsCOMPtr<nsICSSStyleSheet> mFormsSheet;
00074   nsCOMPtr<nsICSSStyleSheet> mUserContentSheet;
00075   nsCOMPtr<nsICSSStyleSheet> mUserChromeSheet;
00076 };
00077 
00078 #endif