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- /* -*- 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___ */
-