/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1999 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #ifndef nsICSSLoader_h___ #define nsICSSLoader_h___ #include "nsISupports.h" #include "nsSubstring.h" #include "nsCompatibility.h" class nsIAtom; class nsIURI; class nsICSSParser; class nsICSSStyleSheet; class nsPresContext; class nsIContent; class nsIParser; class nsIDocument; class nsIUnicharInputStream; class nsICSSLoaderObserver; class nsMediaList; class nsICSSImportRule; // IID for the nsICSSLoader interface // 6c50f676-c764-4f2f-b62b-99d1076b44e9 #define NS_ICSS_LOADER_IID \ {0x6c50f676, 0xc764, 0x4f2f, {0xb6, 0x2b, 0x99, 0xd1, 0x07, 0x6b, 0x44, 0xe9}} typedef void (*nsCSSLoaderCallbackFunc)(nsICSSStyleSheet* aSheet, void *aData, PRBool aDidNotify); class nsICSSLoader : public nsISupports { public: NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICSS_LOADER_IID) NS_IMETHOD Init(nsIDocument* aDocument) = 0; NS_IMETHOD DropDocumentReference(void) = 0; // notification that doc is going away NS_IMETHOD SetCaseSensitive(PRBool aCaseSensitive) = 0; NS_IMETHOD SetCompatibilityMode(nsCompatibility aCompatMode) = 0; NS_IMETHOD SetPreferredSheet(const nsAString& aTitle) = 0; NS_IMETHOD GetPreferredSheet(nsAString& aTitle) = 0; // Get/Recycle a CSS parser for general use NS_IMETHOD GetParserFor(nsICSSStyleSheet* aSheet, nsICSSParser** aParser) = 0; NS_IMETHOD RecycleParser(nsICSSParser* aParser) = 0; // XXX No one uses the aDefaultNameSpaceID params.... do we need them? // Load an inline style sheet // - if aCompleted is PR_TRUE, the sheet is fully loaded, don't // block for it. // - if aCompleted is PR_FALSE, the sheet is still loading and // will be marked complete when complete NS_IMETHOD LoadInlineStyle(nsIContent* aElement, nsIUnicharInputStream* aStream, PRUint32 aLineNumber, const nsSubstring& aTitle, const nsSubstring& aMedia, nsIParser* aParserToUnblock, PRBool& aCompleted, nsICSSLoaderObserver* aObserver) = 0; // Load a linked style sheet // - if aCompleted is PR_TRUE, the sheet is fully loaded, don't // block for it. // - if aCompleted is PR_FALSE, the sheet is still loading and // will be marked complete when complete NS_IMETHOD LoadStyleLink(nsIContent* aElement, nsIURI* aURL, const nsSubstring& aTitle, const nsSubstring& aMedia, nsIParser* aParserToUnblock, PRBool& aCompleted, nsICSSLoaderObserver* aObserver) = 0; // Load a child style sheet (@import) NS_IMETHOD LoadChildSheet(nsICSSStyleSheet* aParentSheet, nsIURI* aURL, nsMediaList* aMedia, nsICSSImportRule* aRule) = 0; // Load a user agent or user sheet. The sheet is loaded // synchronously, including @imports from it. NS_IMETHOD LoadAgentSheet(nsIURI* aURL, nsICSSStyleSheet** aSheet) = 0; // Load a user agent or user sheet. The sheet is loaded // asynchronously and the observer notified when the load finishes. NS_IMETHOD LoadAgentSheet(nsIURI* aURL, nsICSSLoaderObserver* aObserver) = 0; // stop loading all sheets NS_IMETHOD Stop(void) = 0; // stop loading one sheet NS_IMETHOD StopLoadingSheet(nsIURI* aURL) = 0; /** * Whether the loader is enabled or not. * When disabled, processing of new styles is disabled and an attempt * to do so will fail with a return code of * NS_ERROR_NOT_AVAILABLE. Note that this DOES NOT disable * currently loading styles or already processed styles. */ NS_IMETHOD GetEnabled(PRBool *aEnabled) = 0; NS_IMETHOD SetEnabled(PRBool aEnabled) = 0; }; nsresult NS_NewCSSLoader(nsIDocument* aDocument, nsICSSLoader** aLoader); nsresult NS_NewCSSLoader(nsICSSLoader** aLoader); #endif /* nsICSSLoader_h___ */