зеркало из https://github.com/mozilla/pjs.git
1335 строки
38 KiB
C++
1335 строки
38 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsICSSLoader.h"
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#include "nsICSSParser.h"
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#include "nsICSSStyleSheet.h"
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#include "nsIParser.h"
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#include "nsIContent.h"
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#include "nsIDOMNode.h"
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#include "nsIStyleSheetLinkingElement.h"
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#include "nsIDocument.h"
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#include "nsINameSpaceManager.h"
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#include "nsIUnicharStreamLoader.h"
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#include "nsIUnicharInputStream.h"
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#include "nsHashtable.h"
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#include "nsIURL.h"
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#include "nsIURL.h"
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#include "nsIServiceManager.h"
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#include "nsNeckoUtil.h"
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#include "nsCRT.h"
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#include "nsVoidArray.h"
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#include "nsISupportsArray.h"
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#include "nsCOMPtr.h"
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#include <iostream.h>
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static NS_DEFINE_IID(kICSSLoaderIID, NS_ICSS_LOADER_IID);
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//static NS_DEFINE_IID(kICSSParserIID, NS_ICSS_PARSER_IID);
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//static NS_DEFINE_IID(kICSSStyleSheetIID, NS_ICSS_STYLE_SHEET_IID);
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//static NS_DEFINE_IID(kIStyleSheetIID, NS_ISTYLE_SHEET_IID);
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static NS_DEFINE_IID(kIDOMNodeIID, NS_IDOMNODE_IID);
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static NS_DEFINE_IID(kIStyleSheetLinkingElementIID, NS_ISTYLESHEETLINKINGELEMENT_IID);
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class CSSLoaderImpl;
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class URLKey: public nsHashKey {
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public:
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URLKey(nsIURI* aURL)
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: nsHashKey(),
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mURL(aURL)
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{
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NS_ADDREF(mURL);
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mHashValue = 0;
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char* urlStr;
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mURL->GetSpec(&urlStr);
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if (urlStr) {
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mHashValue = nsCRT::HashValue(urlStr);
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nsCRT::free(urlStr);
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}
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}
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URLKey(const URLKey& aKey)
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: nsHashKey(),
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mURL(aKey.mURL),
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mHashValue(aKey.mHashValue)
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{
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NS_ADDREF(mURL);
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}
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virtual ~URLKey(void)
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{
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NS_RELEASE(mURL);
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}
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virtual PRUint32 HashValue(void) const
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{
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return mHashValue;
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}
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virtual PRBool Equals(const nsHashKey* aKey) const
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{
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URLKey* key = (URLKey*)aKey;
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PRBool equals = PR_FALSE;
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nsresult result = mURL->Equals(key->mURL, &equals);
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return (NS_SUCCEEDED(result) && equals);
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}
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virtual nsHashKey *Clone(void) const
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{
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return new URLKey(*this);
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}
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nsIURI* mURL;
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PRUint32 mHashValue;
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};
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class SupportsKey: public nsHashKey {
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public:
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SupportsKey(nsISupports* aSupports)
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: nsHashKey(),
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mSupports(aSupports)
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{ // note: does not hold reference on supports pointer
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}
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SupportsKey(const SupportsKey& aKey)
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: nsHashKey(),
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mSupports(aKey.mSupports)
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{
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}
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virtual ~SupportsKey(void)
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{
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}
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virtual PRUint32 HashValue(void) const
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{
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return (PRUint32)mSupports;
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}
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virtual PRBool Equals(const nsHashKey* aKey) const
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{
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SupportsKey* key = (SupportsKey*)aKey;
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return PRBool(mSupports == key->mSupports);
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}
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virtual nsHashKey *Clone(void) const
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{
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return new SupportsKey(*this);
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}
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nsISupports* mSupports;
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};
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struct SheetLoadData {
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SheetLoadData(CSSLoaderImpl* aLoader, nsIURI* aURL,
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const nsString& aTitle, const nsString& aMedia,
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PRInt32 aDefaultNameSpaceID,
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nsIContent* aOwner, PRInt32 aDocIndex,
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nsIParser* aParserToUnblock, PRBool aIsInline);
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SheetLoadData(CSSLoaderImpl* aLoader, nsIURI* aURL, const nsString& aMedia,
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PRInt32 aDefaultNameSpaceID,
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nsICSSStyleSheet* aParentSheet, PRInt32 aSheetIndex);
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SheetLoadData(CSSLoaderImpl* aLoader, nsIURI* aURL, nsCSSLoaderCallbackFunc aCallback,
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void* aData);
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~SheetLoadData(void);
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CSSLoaderImpl* mLoader;
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nsIURI* mURL;
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nsString mTitle;
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nsString mMedia;
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PRInt32 mDefaultNameSpaceID;
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PRInt32 mSheetIndex;
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nsIContent* mOwningElement;
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nsIParser* mParserToUnblock;
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PRBool mDidBlockParser;
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nsICSSStyleSheet* mParentSheet;
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SheetLoadData* mNext;
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SheetLoadData* mParentData;
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PRUint32 mPendingChildren;
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PRBool mIsInline;
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PRBool mIsAgent;
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PRBool mSyncLoad;
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nsCSSLoaderCallbackFunc mCallback;
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void* mCallbackData;
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};
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struct PendingSheetData {
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PendingSheetData(nsICSSStyleSheet* aSheet, PRInt32 aDocIndex,
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nsIContent* aElement)
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: mSheet(aSheet),
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mDocIndex(aDocIndex),
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mOwningElement(aElement),
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mNotify(PR_FALSE)
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{
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NS_ADDREF(mSheet);
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NS_IF_ADDREF(mOwningElement);
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}
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~PendingSheetData(void)
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{
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NS_RELEASE(mSheet);
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NS_IF_RELEASE(mOwningElement);
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}
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nsICSSStyleSheet* mSheet;
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PRInt32 mDocIndex;
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nsIContent* mOwningElement;
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PRBool mNotify;
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};
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class CSSLoaderImpl: public nsICSSLoader {
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public:
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CSSLoaderImpl(void);
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virtual ~CSSLoaderImpl(void);
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NS_DECL_ISUPPORTS
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NS_IMETHOD Init(nsIDocument* aDocument);
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NS_IMETHOD DropDocumentReference(void);
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NS_IMETHOD SetCaseSensitive(PRBool aCaseSensitive);
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NS_IMETHOD SetQuirkMode(PRBool aQuirkMode);
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NS_IMETHOD SetPreferredSheet(const nsString& aTitle);
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NS_IMETHOD GetParserFor(nsICSSStyleSheet* aSheet,
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nsICSSParser** aParser);
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NS_IMETHOD RecycleParser(nsICSSParser* aParser);
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NS_IMETHOD LoadInlineStyle(nsIContent* aElement,
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nsIUnicharInputStream* aIn,
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const nsString& aTitle,
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const nsString& aMedia,
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PRInt32 aDefaultNameSpaceID,
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PRInt32 aIndex,
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nsIParser* aParserToUnblock,
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PRBool& aCompleted);
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NS_IMETHOD LoadStyleLink(nsIContent* aElement,
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nsIURI* aURL,
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const nsString& aTitle,
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const nsString& aMedia,
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PRInt32 aDefaultNameSpaceID,
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PRInt32 aIndex,
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nsIParser* aParserToUnblock,
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PRBool& aCompleted);
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NS_IMETHOD LoadChildSheet(nsICSSStyleSheet* aParentSheet,
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nsIURI* aURL,
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const nsString& aMedia,
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PRInt32 aDefaultNameSpaceID,
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PRInt32 aIndex);
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NS_IMETHOD LoadAgentSheet(nsIURI* aURL,
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nsICSSStyleSheet*& aSheet,
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PRBool& aCompleted,
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nsCSSLoaderCallbackFunc aCallback,
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void *aData);
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// local helper methods (public for access from statics)
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void Cleanup(URLKey& aKey, SheetLoadData* aLoadData);
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nsresult SheetComplete(nsICSSStyleSheet* aSheet, SheetLoadData* aLoadData);
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nsresult ParseSheet(nsIUnicharInputStream* aIn, SheetLoadData* aLoadData,
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PRBool& aCompleted, nsICSSStyleSheet*& aSheet);
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void DidLoadStyle(nsIUnicharStreamLoader* aLoader,
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nsString& aStyleData,
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SheetLoadData* aLoadData,
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nsresult aStatus);
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nsresult SetMedia(nsICSSStyleSheet* aSheet, const nsString& aMedia);
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nsresult PrepareSheet(nsICSSStyleSheet* aSheet, const nsString& aTitle,
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const nsString& aMedia);
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nsresult AddPendingSheet(nsICSSStyleSheet* aSheet, PRInt32 aDocIndex,
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nsIContent* aElement);
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PRBool IsAlternate(const nsString& aTitle);
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nsresult InsertSheetInDoc(nsICSSStyleSheet* aSheet, PRInt32 aDocIndex,
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nsIContent* aElement, PRBool aNotify);
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nsresult InsertChildSheet(nsICSSStyleSheet* aSheet, nsICSSStyleSheet* aParentSheet,
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PRInt32 aIndex);
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nsresult LoadSheet(URLKey& aKey, SheetLoadData* aData);
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nsIDocument* mDocument; // the document we live for
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PRBool mCaseSensitive; // is document CSS case sensitive
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PRBool mNavQuirkMode; // should CSS be in quirk mode
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nsString mPreferredSheet; // title of preferred sheet
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nsISupportsArray* mParsers; // array of CSS parsers
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nsHashtable mLoadedSheets; // url to first sheet fully loaded for URL
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nsHashtable mLoadingSheets; // all current loads
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nsVoidArray mParsingData; // array of data for sheets currently parsing
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nsVoidArray mPendingDocSheets; // loaded sheet waiting for doc insertion
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nsVoidArray mPendingAlternateSheets; // alternates waiting for load to start
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nsHashtable mSheetMapTable; // map to insertion index arrays
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#ifdef NS_DEBUG
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PRBool mSyncCallback;
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#endif
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};
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SheetLoadData::SheetLoadData(CSSLoaderImpl* aLoader, nsIURI* aURL,
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const nsString& aTitle, const nsString& aMedia,
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PRInt32 aDefaultNameSpaceID,
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nsIContent* aOwner, PRInt32 aDocIndex,
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nsIParser* aParserToUnblock, PRBool aIsInline)
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: mLoader(aLoader),
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mURL(aURL),
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mTitle(aTitle),
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mMedia(aMedia),
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mDefaultNameSpaceID(aDefaultNameSpaceID),
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mSheetIndex(aDocIndex),
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mOwningElement(aOwner),
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mParserToUnblock(aParserToUnblock),
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mDidBlockParser(PR_FALSE),
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mParentSheet(nsnull),
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mNext(nsnull),
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mParentData(nsnull),
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mPendingChildren(0),
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mIsInline(aIsInline),
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mIsAgent(PR_FALSE),
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mSyncLoad(PR_FALSE),
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mCallback(nsnull),
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mCallbackData(nsnull)
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{
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NS_ADDREF(mLoader);
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NS_ADDREF(mURL);
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NS_IF_ADDREF(mOwningElement);
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NS_IF_ADDREF(mParserToUnblock);
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}
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SheetLoadData::SheetLoadData(CSSLoaderImpl* aLoader, nsIURI* aURL,
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const nsString& aMedia,
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PRInt32 aDefaultNameSpaceID,
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nsICSSStyleSheet* aParentSheet, PRInt32 aSheetIndex)
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: mLoader(aLoader),
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mURL(aURL),
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mTitle(),
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mMedia(aMedia),
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mDefaultNameSpaceID(aDefaultNameSpaceID),
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mSheetIndex(aSheetIndex),
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mOwningElement(nsnull),
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mParserToUnblock(nsnull),
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mDidBlockParser(PR_FALSE),
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mParentSheet(aParentSheet),
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mNext(nsnull),
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mParentData(nsnull),
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mPendingChildren(0),
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mIsInline(PR_FALSE),
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mIsAgent(PR_FALSE),
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mSyncLoad(PR_FALSE),
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mCallback(nsnull),
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mCallbackData(nsnull)
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{
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NS_ADDREF(mLoader);
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NS_ADDREF(mURL);
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NS_ADDREF(mParentSheet);
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}
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SheetLoadData::SheetLoadData(CSSLoaderImpl* aLoader, nsIURI* aURL,
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nsCSSLoaderCallbackFunc aCallback, void* aData)
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: mLoader(aLoader),
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mURL(aURL),
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mTitle(),
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mMedia(),
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mDefaultNameSpaceID(kNameSpaceID_Unknown),
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mSheetIndex(-1),
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mOwningElement(nsnull),
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mParserToUnblock(nsnull),
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mDidBlockParser(PR_FALSE),
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mParentSheet(nsnull),
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mNext(nsnull),
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mParentData(nsnull),
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mPendingChildren(0),
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mIsInline(PR_FALSE),
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mIsAgent(PR_TRUE),
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mSyncLoad(PRBool(nsnull == aCallback)),
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mCallback(aCallback),
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mCallbackData(nsnull)
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{
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NS_ADDREF(mLoader);
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NS_ADDREF(mURL);
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}
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SheetLoadData::~SheetLoadData(void)
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{
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NS_RELEASE(mLoader);
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NS_RELEASE(mURL);
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NS_IF_RELEASE(mOwningElement);
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NS_IF_RELEASE(mParserToUnblock);
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NS_IF_RELEASE(mParentSheet);
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if (mNext) {
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delete mNext;
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}
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}
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CSSLoaderImpl::CSSLoaderImpl(void)
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{
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NS_INIT_REFCNT();
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mDocument = nsnull;
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mCaseSensitive = PR_FALSE;
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mNavQuirkMode = PR_FALSE;
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mParsers = nsnull;
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}
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static PRBool ReleaseSheet(nsHashKey* aKey, void* aData, void* aClosure)
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{
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nsICSSStyleSheet* sheet = (nsICSSStyleSheet*)aData;
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NS_RELEASE(sheet);
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return PR_TRUE;
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}
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static PRBool DeleteHashLoadData(nsHashKey* aKey, void* aData, void* aClosure)
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{
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SheetLoadData* data = (SheetLoadData*)aData;
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delete data;
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return PR_TRUE;
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}
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static PRBool DeletePendingData(void* aData, void* aClosure)
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{
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PendingSheetData* data = (PendingSheetData*)aData;
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delete data;
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return PR_TRUE;
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}
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static PRBool DeleteLoadData(void* aData, void* aClosure)
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{
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SheetLoadData* data = (SheetLoadData*)aData;
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delete data;
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return PR_TRUE;
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}
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static PRBool DeleteSheetMap(nsHashKey* aKey, void* aData, void* aClosure)
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{
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nsVoidArray* map = (nsVoidArray*)aData;
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delete map;
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return PR_TRUE;
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}
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CSSLoaderImpl::~CSSLoaderImpl(void)
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{
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NS_ASSERTION(0 == mLoadingSheets.Count(), "destructing loader while sheets loading");
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NS_IF_RELEASE(mParsers);
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mLoadedSheets.Enumerate(ReleaseSheet);
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mLoadingSheets.Enumerate(DeleteHashLoadData);
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mPendingDocSheets.EnumerateForwards(DeletePendingData, nsnull);
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mPendingAlternateSheets.EnumerateForwards(DeleteLoadData, nsnull);
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mSheetMapTable.Enumerate(DeleteSheetMap);
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}
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NS_IMPL_ISUPPORTS(CSSLoaderImpl, kICSSLoaderIID)
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NS_IMETHODIMP
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CSSLoaderImpl::Init(nsIDocument* aDocument)
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{
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NS_ASSERTION(! mDocument, "already initialized");
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if (! mDocument) {
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mDocument = aDocument;
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return NS_OK;
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}
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return NS_ERROR_ALREADY_INITIALIZED;
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}
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NS_IMETHODIMP
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CSSLoaderImpl::DropDocumentReference(void)
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{
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mDocument = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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CSSLoaderImpl::SetCaseSensitive(PRBool aCaseSensitive)
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{
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mCaseSensitive = aCaseSensitive;
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return NS_OK;
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}
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NS_IMETHODIMP
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CSSLoaderImpl::SetQuirkMode(PRBool aQuirkMode)
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{
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mNavQuirkMode = aQuirkMode;
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return NS_OK;
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}
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NS_IMETHODIMP
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CSSLoaderImpl::SetPreferredSheet(const nsString& aTitle)
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{
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mPreferredSheet = aTitle;
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// start any pending alternates that aren't alternates anymore
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PRInt32 index = 0;
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while (index < mPendingAlternateSheets.Count()) { // count will change during loop
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SheetLoadData* data = (SheetLoadData*)mPendingAlternateSheets.ElementAt(index);
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if (! IsAlternate(data->mTitle)) {
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mPendingAlternateSheets.RemoveElementAt(index);
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URLKey key(data->mURL);
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LoadSheet(key, data); // this may steal pending alternates too
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}
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else {
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index++;
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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CSSLoaderImpl::GetParserFor(nsICSSStyleSheet* aSheet,
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nsICSSParser** aParser)
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{
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NS_ASSERTION(aParser, "null pointer");
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if (! aParser) {
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return NS_ERROR_NULL_POINTER;
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}
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nsresult result = NS_OK;
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*aParser = nsnull;
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if (mParsers) {
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PRUint32 count = 0;
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mParsers->Count(&count);
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if (0 < count--) {
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*aParser = (nsICSSParser*)mParsers->ElementAt(count);
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mParsers->RemoveElementAt(count);
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}
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}
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if (! *aParser) {
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result = NS_NewCSSParser(aParser);
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}
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if (*aParser) {
|
|
(*aParser)->SetCaseSensitive(mCaseSensitive);
|
|
(*aParser)->SetQuirkMode(mNavQuirkMode);
|
|
if (aSheet) {
|
|
(*aParser)->SetStyleSheet(aSheet);
|
|
}
|
|
(*aParser)->SetChildLoader(this);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
CSSLoaderImpl::RecycleParser(nsICSSParser* aParser)
|
|
{
|
|
nsresult result = NS_ERROR_NULL_POINTER;
|
|
|
|
if (aParser) {
|
|
result = NS_OK;
|
|
if (! mParsers) {
|
|
result = NS_NewISupportsArray(&mParsers);
|
|
}
|
|
if (mParsers) {
|
|
mParsers->AppendElement(aParser);
|
|
}
|
|
NS_RELEASE(aParser);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
DoneLoadingStyle(nsIUnicharStreamLoader* aLoader,
|
|
nsString& aStyleData,
|
|
void* aLoadData,
|
|
nsresult aStatus)
|
|
{
|
|
SheetLoadData* data = (SheetLoadData*)aLoadData;
|
|
data->mLoader->DidLoadStyle(aLoader, aStyleData, data, aStatus);
|
|
// We added a reference when the loader was created. This
|
|
// release should destroy it.
|
|
NS_RELEASE(aLoader);
|
|
}
|
|
|
|
static PRBool
|
|
InsertPendingSheet(void* aPendingData, void* aLoader)
|
|
{
|
|
PendingSheetData* data = (PendingSheetData*)aPendingData;
|
|
CSSLoaderImpl* loader = (CSSLoaderImpl*)aLoader;
|
|
loader->InsertSheetInDoc(data->mSheet, data->mDocIndex,
|
|
data->mOwningElement, data->mNotify);
|
|
delete data;
|
|
return PR_TRUE;
|
|
}
|
|
|
|
static PRBool
|
|
AreAllPendingAlternateSheets(void* aPendingData, void* aLoader)
|
|
{
|
|
PendingSheetData* data = (PendingSheetData*)aPendingData;
|
|
CSSLoaderImpl* loader = (CSSLoaderImpl*)aLoader;
|
|
nsAutoString title;
|
|
data->mSheet->GetTitle(title);
|
|
if (loader->IsAlternate(title)) {
|
|
return PR_TRUE;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
void
|
|
CSSLoaderImpl::Cleanup(URLKey& aKey, SheetLoadData* aLoadData)
|
|
{
|
|
// notify any parents that child is done
|
|
SheetLoadData* data = aLoadData;
|
|
do {
|
|
if (data->mParentData) {
|
|
if (0 == --(data->mParentData->mPendingChildren)) { // all children are done, handle parent
|
|
NS_ASSERTION(data->mParentSheet, "bug");
|
|
if (! data->mSyncLoad) {
|
|
SheetComplete(data->mParentSheet, data->mParentData);
|
|
}
|
|
}
|
|
}
|
|
data = data->mNext;
|
|
} while (data);
|
|
|
|
if (! aLoadData->mIsInline) { // inline sheets don't go in loading table
|
|
SheetLoadData* oldData = (SheetLoadData*)mLoadingSheets.Remove(&aKey);
|
|
NS_ASSERTION(oldData == aLoadData, "broken loading table");
|
|
}
|
|
|
|
// unblock parser
|
|
data = aLoadData;
|
|
do {
|
|
if (data->mParserToUnblock && data->mDidBlockParser) {
|
|
data->mParserToUnblock->EnableParser(PR_TRUE); // this may result in re-entrant calls to loader
|
|
break;
|
|
}
|
|
data = data->mNext;
|
|
} while (data);
|
|
|
|
// if all loads complete, put pending sheets into doc
|
|
if (0 == mLoadingSheets.Count()) {
|
|
PRInt32 count = mPendingDocSheets.Count();
|
|
if (count) {
|
|
if (! mPendingDocSheets.EnumerateForwards(AreAllPendingAlternateSheets, this)) {
|
|
PendingSheetData* last = (PendingSheetData*)mPendingDocSheets.ElementAt(count - 1);
|
|
last->mNotify = PR_TRUE;
|
|
}
|
|
mPendingDocSheets.EnumerateForwards(InsertPendingSheet, this);
|
|
mPendingDocSheets.Clear();
|
|
}
|
|
// start pending alternate loads
|
|
while (mPendingAlternateSheets.Count()) {
|
|
data = (SheetLoadData*)mPendingAlternateSheets.ElementAt(0);
|
|
mPendingAlternateSheets.RemoveElementAt(0);
|
|
URLKey key(data->mURL);
|
|
LoadSheet(key, data); // this may pull other pending alternates (with same URL)
|
|
}
|
|
}
|
|
|
|
delete aLoadData; // delete data last, it may have last ref on loader...
|
|
}
|
|
|
|
nsresult
|
|
CSSLoaderImpl::SheetComplete(nsICSSStyleSheet* aSheet, SheetLoadData* aLoadData)
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
URLKey key(aLoadData->mURL);
|
|
|
|
if (! aLoadData->mIsInline) { // don't remember inline sheets
|
|
NS_ADDREF(aSheet); // add ref for table
|
|
nsICSSStyleSheet* oldSheet = (nsICSSStyleSheet*)mLoadedSheets.Put(&key, aSheet);
|
|
NS_IF_RELEASE(oldSheet); // relase predecessor (was dirty)
|
|
}
|
|
|
|
SheetLoadData* data = aLoadData;
|
|
do { // add to parent sheet, parent doc or pending doc sheet list
|
|
PrepareSheet(aSheet, data->mTitle, data->mMedia);
|
|
if (data->mParentSheet) { // is child sheet
|
|
InsertChildSheet(aSheet, data->mParentSheet, data->mSheetIndex);
|
|
}
|
|
else if (data->mIsAgent) { // is agent sheet
|
|
if (data->mCallback) {
|
|
(*(data->mCallback))(aSheet, data->mCallbackData);
|
|
}
|
|
}
|
|
else { // doc sheet
|
|
if (data->mParserToUnblock) { // if blocking, insert it immediately
|
|
InsertSheetInDoc(aSheet, data->mSheetIndex, data->mOwningElement, PR_TRUE);
|
|
}
|
|
else { // otherwise wait until all are loaded (even inlines)
|
|
AddPendingSheet(aSheet, data->mSheetIndex, data->mOwningElement);
|
|
}
|
|
}
|
|
|
|
data = data->mNext;
|
|
if (data) { // clone sheet for next insertion
|
|
nsICSSStyleSheet* clone = nsnull;
|
|
result = aSheet->Clone(clone);
|
|
NS_RELEASE(aSheet);
|
|
if (NS_SUCCEEDED(result)) {
|
|
aSheet = clone;
|
|
}
|
|
}
|
|
else {
|
|
NS_RELEASE(aSheet);
|
|
}
|
|
} while (data && aSheet);
|
|
|
|
Cleanup(key, aLoadData);
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
CSSLoaderImpl::ParseSheet(nsIUnicharInputStream* aIn,
|
|
SheetLoadData* aLoadData,
|
|
PRBool& aCompleted,
|
|
nsICSSStyleSheet*& aSheet)
|
|
{
|
|
nsresult result;
|
|
PRBool failed = PR_TRUE;
|
|
|
|
aCompleted = PR_TRUE;
|
|
aSheet = nsnull;
|
|
result = NS_NewCSSStyleSheet(&aSheet, aLoadData->mURL);
|
|
if (NS_SUCCEEDED(result)) {
|
|
nsICSSParser* parser;
|
|
result = GetParserFor(aSheet, &parser);
|
|
if (NS_SUCCEEDED(result)) {
|
|
mParsingData.AppendElement(aLoadData);
|
|
if (kNameSpaceID_Unknown != aLoadData->mDefaultNameSpaceID) {
|
|
aSheet->SetDefaultNameSpaceID(aLoadData->mDefaultNameSpaceID);
|
|
}
|
|
result = parser->Parse(aIn, aLoadData->mURL, aSheet); // this may result in re-entrant load child sheet calls
|
|
mParsingData.RemoveElementAt(mParsingData.Count() - 1);
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
aSheet->SetModified(PR_FALSE); // make it clean from the load
|
|
failed = PR_FALSE;
|
|
if (0 == aLoadData->mPendingChildren) { // sheet isn't still loading children
|
|
if (aLoadData->mIsInline) {
|
|
aLoadData->mDidBlockParser = PR_FALSE; // don't need to unblock, we're done and won't block
|
|
}
|
|
SheetComplete(aSheet, aLoadData);
|
|
}
|
|
else { // else sheet is still waiting for children to load, last child will complete it
|
|
aCompleted = PR_FALSE;
|
|
}
|
|
}
|
|
RecycleParser(parser);
|
|
}
|
|
}
|
|
if (failed) {
|
|
URLKey key(aLoadData->mURL);
|
|
Cleanup(key, aLoadData);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void
|
|
CSSLoaderImpl::DidLoadStyle(nsIUnicharStreamLoader* aLoader,
|
|
nsString& aStyleData,
|
|
SheetLoadData* aLoadData,
|
|
nsresult aStatus)
|
|
{
|
|
#ifdef NS_DEBUG
|
|
NS_ASSERTION(! mSyncCallback, "getting synchronous callback from netlib");
|
|
#endif
|
|
|
|
if (NS_SUCCEEDED(aStatus) && (0 < aStyleData.Length()) && (mDocument)) {
|
|
nsresult result;
|
|
nsIUnicharInputStream* uin = nsnull;
|
|
// wrap the string with the CSS data up in a unicode input stream.
|
|
result = NS_NewStringUnicharInputStream(&uin, new nsString(aStyleData));
|
|
if (NS_SUCCEEDED(result)) {
|
|
// XXX We have no way of indicating failure. Silently fail?
|
|
PRBool completed;
|
|
nsICSSStyleSheet* sheet;
|
|
result = ParseSheet(uin, aLoadData, completed, sheet);
|
|
NS_IF_RELEASE(sheet);
|
|
|
|
NS_RELEASE(uin);
|
|
}
|
|
else {
|
|
URLKey key(aLoadData->mURL);
|
|
Cleanup(key, aLoadData);
|
|
}
|
|
}
|
|
else { // load failed or document now gone, cleanup
|
|
if (mDocument && NS_FAILED(aStatus)) { // still have doc, must have failed
|
|
// Dump error message to console.
|
|
char *url;
|
|
aLoadData->mURL->GetSpec(&url);
|
|
cerr << "CSSLoaderImpl::DidLoadStyle: Load of URL '" << url
|
|
<< "' failed. Error code: " << NS_ERROR_GET_CODE(aStatus) << "\n";
|
|
nsCRT::free(url);
|
|
}
|
|
|
|
URLKey key(aLoadData->mURL);
|
|
Cleanup(key, aLoadData);
|
|
}
|
|
|
|
}
|
|
|
|
typedef PRBool (*nsStringEnumFunc)(const nsString& aSubString, void *aData);
|
|
|
|
static PRBool EnumerateMediaString(const nsString& aStringList, nsStringEnumFunc aFunc, void* aData)
|
|
{
|
|
PRBool running = PR_TRUE;
|
|
|
|
nsAutoString stringList(aStringList); // copy to work buffer
|
|
nsAutoString subStr;
|
|
|
|
stringList.Append(kNullCh); // put an extra null at the end
|
|
|
|
PRUnichar* start = (PRUnichar*)(const PRUnichar*)stringList.GetUnicode();
|
|
PRUnichar* end = start;
|
|
|
|
while (running && (kNullCh != *start)) {
|
|
PRBool quoted = PR_FALSE;
|
|
|
|
while ((kNullCh != *start) && nsString::IsSpace(*start)) { // skip leading space
|
|
start++;
|
|
}
|
|
|
|
if ((kApostrophe == *start) || (kQuote == *start)) { // quoted string
|
|
PRUnichar quote = *start++;
|
|
quoted = PR_TRUE;
|
|
end = start;
|
|
while (kNullCh != *end) {
|
|
if (quote == *end) { // found closing quote
|
|
*end++ = kNullCh; // end string here
|
|
while ((kNullCh != *end) && (kComma != *end)) { // keep going until comma
|
|
end++;
|
|
}
|
|
break;
|
|
}
|
|
end++;
|
|
}
|
|
}
|
|
else { // non-quoted string or ended
|
|
end = start;
|
|
|
|
while ((kNullCh != *end) && (kComma != *end)) { // look for comma
|
|
end++;
|
|
}
|
|
*end = kNullCh; // end string here
|
|
}
|
|
|
|
// truncate at first non letter, digit or hyphen
|
|
PRUnichar* test = start;
|
|
while (test <= end) {
|
|
if ((PR_FALSE == nsString::IsAlpha(*test)) &&
|
|
(PR_FALSE == nsString::IsDigit(*test)) && (kMinus != *test)) {
|
|
*test = kNullCh;
|
|
break;
|
|
}
|
|
test++;
|
|
}
|
|
subStr = start;
|
|
|
|
if (PR_FALSE == quoted) {
|
|
subStr.CompressWhitespace(PR_FALSE, PR_TRUE);
|
|
}
|
|
|
|
if (0 < subStr.Length()) {
|
|
running = (*aFunc)(subStr, aData);
|
|
}
|
|
|
|
start = ++end;
|
|
}
|
|
|
|
return running;
|
|
}
|
|
|
|
static PRBool MediumEnumFunc(const nsString& aSubString, void* aData)
|
|
{
|
|
nsIAtom* medium = NS_NewAtom(aSubString);
|
|
((nsICSSStyleSheet*)aData)->AppendMedium(medium);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
nsresult
|
|
CSSLoaderImpl::SetMedia(nsICSSStyleSheet* aSheet, const nsString& aMedia)
|
|
{
|
|
aSheet->ClearMedia();
|
|
if (0 < aMedia.Length()) {
|
|
EnumerateMediaString(aMedia, MediumEnumFunc, aSheet);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
CSSLoaderImpl::PrepareSheet(nsICSSStyleSheet* aSheet, const nsString& aTitle,
|
|
const nsString& aMedia)
|
|
{
|
|
nsresult result = SetMedia(aSheet, aMedia);
|
|
|
|
aSheet->SetTitle(aTitle);
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
CSSLoaderImpl::AddPendingSheet(nsICSSStyleSheet* aSheet, PRInt32 aDocIndex,
|
|
nsIContent* aElement)
|
|
{
|
|
PendingSheetData* data = new PendingSheetData(aSheet, aDocIndex, aElement);
|
|
if (data) {
|
|
mPendingDocSheets.AppendElement(data);
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
PRBool
|
|
CSSLoaderImpl::IsAlternate(const nsString& aTitle)
|
|
{
|
|
if (0 < aTitle.Length()) {
|
|
return PRBool(! aTitle.EqualsIgnoreCase(mPreferredSheet));
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
nsresult
|
|
CSSLoaderImpl::InsertSheetInDoc(nsICSSStyleSheet* aSheet, PRInt32 aDocIndex,
|
|
nsIContent* aElement, PRBool aNotify)
|
|
{
|
|
if ((! mDocument) || (! aSheet)) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
if (nsnull != aElement) {
|
|
nsIDOMNode* domNode = nsnull;
|
|
if (NS_SUCCEEDED(aElement->QueryInterface(kIDOMNodeIID, (void**)&domNode))) {
|
|
aSheet->SetOwningNode(domNode);
|
|
NS_RELEASE(domNode);
|
|
}
|
|
|
|
nsIStyleSheetLinkingElement* element;
|
|
if (NS_SUCCEEDED(aElement->QueryInterface(kIStyleSheetLinkingElementIID,
|
|
(void**)&element))) {
|
|
element->SetStyleSheet(aSheet);
|
|
NS_RELEASE(element);
|
|
}
|
|
}
|
|
|
|
nsAutoString title;
|
|
aSheet->GetTitle(title);
|
|
aSheet->SetEnabled(! IsAlternate(title));
|
|
|
|
SupportsKey key(mDocument);
|
|
nsVoidArray* sheetMap = (nsVoidArray*)mSheetMapTable.Get(&key);
|
|
if (! sheetMap) {
|
|
sheetMap = new nsVoidArray();
|
|
if (sheetMap) {
|
|
mSheetMapTable.Put(&key, sheetMap);
|
|
}
|
|
}
|
|
|
|
if (sheetMap) {
|
|
PRInt32 insertIndex = sheetMap->Count();
|
|
while (0 <= --insertIndex) {
|
|
PRInt32 targetIndex = (PRInt32)sheetMap->ElementAt(insertIndex);
|
|
if (targetIndex < aDocIndex) {
|
|
mDocument->InsertStyleSheetAt(aSheet, insertIndex + 1, aNotify);
|
|
sheetMap->InsertElementAt((void*)aDocIndex, insertIndex + 1);
|
|
aSheet = nsnull;
|
|
break;
|
|
}
|
|
}
|
|
if (nsnull != aSheet) { // didn't insert yet
|
|
mDocument->InsertStyleSheetAt(aSheet, 0, aNotify);
|
|
sheetMap->InsertElementAt((void*)aDocIndex, 0);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
nsresult
|
|
CSSLoaderImpl::InsertChildSheet(nsICSSStyleSheet* aSheet, nsICSSStyleSheet* aParentSheet,
|
|
PRInt32 aIndex)
|
|
{
|
|
if ((! aParentSheet) || (! aSheet)) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
SupportsKey key(aParentSheet);
|
|
nsVoidArray* sheetMap = (nsVoidArray*)mSheetMapTable.Get(&key);
|
|
if (! sheetMap) {
|
|
sheetMap = new nsVoidArray();
|
|
if (sheetMap) {
|
|
mSheetMapTable.Put(&key, sheetMap);
|
|
}
|
|
}
|
|
|
|
if (sheetMap) {
|
|
PRInt32 insertIndex = sheetMap->Count();
|
|
while (0 <= --insertIndex) {
|
|
PRInt32 targetIndex = (PRInt32)sheetMap->ElementAt(insertIndex);
|
|
if (targetIndex < aIndex) {
|
|
aParentSheet->InsertStyleSheetAt(aSheet, insertIndex + 1);
|
|
sheetMap->InsertElementAt((void*)aIndex, insertIndex + 1);
|
|
aSheet = nsnull;
|
|
break;
|
|
}
|
|
}
|
|
if (nsnull != aSheet) { // didn't insert yet
|
|
aParentSheet->InsertStyleSheetAt(aSheet, 0);
|
|
sheetMap->InsertElementAt((void*)aIndex, 0);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
nsresult
|
|
CSSLoaderImpl::LoadSheet(URLKey& aKey, SheetLoadData* aData)
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
SheetLoadData* loadingData = (SheetLoadData*)mLoadingSheets.Get(&aKey);
|
|
if (loadingData) { // already loading this sheet, glom on to the load
|
|
while (loadingData->mNext) {
|
|
loadingData = loadingData->mNext;
|
|
}
|
|
loadingData->mNext = aData;
|
|
}
|
|
else { // not loading, go load it
|
|
if (aData->mSyncLoad) { // handle agent sheets synchronously
|
|
nsIURI* urlClone;
|
|
result = aKey.mURL->Clone(&urlClone); // dont give key URL to netlib, it gets munged
|
|
if (NS_SUCCEEDED(result)) {
|
|
nsIInputStream* in;
|
|
result = NS_OpenURI(&in, urlClone);
|
|
NS_RELEASE(urlClone);
|
|
if (NS_SUCCEEDED(result)) {
|
|
// Translate the input using the argument character set id into unicode
|
|
nsIUnicharInputStream* uin;
|
|
result = NS_NewConverterStream(&uin, nsnull, in);
|
|
if (NS_SUCCEEDED(result)) {
|
|
mLoadingSheets.Put(&aKey, aData);
|
|
PRBool completed;
|
|
nsICSSStyleSheet* sheet;
|
|
result = ParseSheet(uin, aData, completed, sheet);
|
|
NS_ASSERTION(completed, "sync sheet load failed to complete");
|
|
NS_IF_RELEASE(sheet);
|
|
NS_RELEASE(uin);
|
|
}
|
|
else {
|
|
fputs("CSSLoader::LoadSheet - failed to get converter stream\n", stderr);
|
|
}
|
|
NS_RELEASE(in);
|
|
}
|
|
else {
|
|
// Dump an error message to the console
|
|
char *url;
|
|
aKey.mURL->GetSpec(&url);
|
|
cerr << "CSSLoaderImpl::LoadSheet: Load of URL '" << url
|
|
<< "' failed. Error code: " << NS_ERROR_GET_CODE(result) << "\n";
|
|
nsCRT::free(url);
|
|
}
|
|
}
|
|
}
|
|
else if (mDocument || aData->mIsAgent) { // we're still live, start an async load
|
|
nsIUnicharStreamLoader* loader;
|
|
nsIURI* urlClone;
|
|
result = aKey.mURL->Clone(&urlClone); // dont give key URL to netlib, it gets munged
|
|
if (NS_SUCCEEDED(result)) {
|
|
#ifdef NS_DEBUG
|
|
mSyncCallback = PR_TRUE;
|
|
#endif
|
|
nsCOMPtr<nsILoadGroup> loadGroup;
|
|
mDocument->GetDocumentLoadGroup(getter_AddRefs(loadGroup));
|
|
|
|
result = NS_NewUnicharStreamLoader(&loader, urlClone,
|
|
loadGroup,
|
|
DoneLoadingStyle, aData);
|
|
#ifdef NS_DEBUG
|
|
mSyncCallback = PR_FALSE;
|
|
#endif
|
|
NS_RELEASE(urlClone);
|
|
if (NS_SUCCEEDED(result)) {
|
|
mLoadingSheets.Put(&aKey, aData);
|
|
// grab any pending alternates that have this URL
|
|
loadingData = aData;
|
|
PRInt32 index = 0;
|
|
while (index < mPendingAlternateSheets.Count()) {
|
|
SheetLoadData* data = (SheetLoadData*)mPendingAlternateSheets.ElementAt(index);
|
|
PRBool equals = PR_FALSE;
|
|
result = aKey.mURL->Equals(data->mURL, &equals);
|
|
if (NS_SUCCEEDED(result) && equals)
|
|
{
|
|
mPendingAlternateSheets.RemoveElementAt(index);
|
|
loadingData->mNext = data;
|
|
loadingData = data;
|
|
}
|
|
else {
|
|
index++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { // document gone, no point in starting the load
|
|
delete aData;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
CSSLoaderImpl::LoadInlineStyle(nsIContent* aElement,
|
|
nsIUnicharInputStream* aIn,
|
|
const nsString& aTitle,
|
|
const nsString& aMedia,
|
|
PRInt32 aDefaultNameSpaceID,
|
|
PRInt32 aDocIndex,
|
|
nsIParser* aParserToUnblock,
|
|
PRBool& aCompleted)
|
|
{
|
|
NS_ASSERTION(mDocument, "not initialized");
|
|
if (! mDocument) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
|
|
// XXX need to add code to cancel any pending sheets for element
|
|
nsresult result = NS_ERROR_NULL_POINTER;
|
|
if (aIn) {
|
|
nsIURI* docURL;
|
|
mDocument->GetBaseURL(docURL);
|
|
SheetLoadData* data = new SheetLoadData(this, docURL, aTitle, aMedia, aDefaultNameSpaceID,
|
|
aElement,
|
|
aDocIndex, aParserToUnblock,
|
|
PR_TRUE);
|
|
nsICSSStyleSheet* sheet;
|
|
result = ParseSheet(aIn, data, aCompleted, sheet);
|
|
NS_IF_RELEASE(sheet);
|
|
if ((! aCompleted) && (aParserToUnblock)) {
|
|
data->mDidBlockParser = PR_TRUE;
|
|
}
|
|
NS_RELEASE(docURL);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
CSSLoaderImpl::LoadStyleLink(nsIContent* aElement,
|
|
nsIURI* aURL,
|
|
const nsString& aTitle,
|
|
const nsString& aMedia,
|
|
PRInt32 aDefaultNameSpaceID,
|
|
PRInt32 aDocIndex,
|
|
nsIParser* aParserToUnblock,
|
|
PRBool& aCompleted)
|
|
{
|
|
NS_ASSERTION(mDocument, "not initialized");
|
|
if (! mDocument) {
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
}
|
|
|
|
// XXX need to add code to cancel any pending sheets for element
|
|
nsresult result = NS_ERROR_NULL_POINTER;
|
|
|
|
aCompleted = PR_TRUE;
|
|
if (aURL) {
|
|
URLKey key(aURL);
|
|
|
|
nsICSSStyleSheet* sheet = (nsICSSStyleSheet*)mLoadedSheets.Get(&key);
|
|
if (sheet && (NS_COMFALSE == sheet->IsUnmodified())) { // if dirty, forget it
|
|
sheet = nsnull;
|
|
}
|
|
|
|
if (sheet) { // already have one fully loaded and unmodified
|
|
nsICSSStyleSheet* clone = nsnull;
|
|
result = sheet->Clone(clone);
|
|
if (NS_SUCCEEDED(result)) {
|
|
PrepareSheet(clone, aTitle, aMedia);
|
|
if (aParserToUnblock) { // stick it in now, parser is waiting for it
|
|
result = InsertSheetInDoc(clone, aDocIndex, aElement, PR_TRUE);
|
|
}
|
|
else { // add to pending list
|
|
result = AddPendingSheet(clone, aDocIndex, aElement);
|
|
}
|
|
NS_RELEASE(clone);
|
|
}
|
|
}
|
|
else { // need to load it
|
|
SheetLoadData* data = new SheetLoadData(this, aURL, aTitle, aMedia, aDefaultNameSpaceID,
|
|
aElement, aDocIndex,
|
|
aParserToUnblock, PR_FALSE);
|
|
if (IsAlternate(aTitle) && mLoadingSheets.Count() &&
|
|
(! mLoadingSheets.Get(&key)) && (! aParserToUnblock)) {
|
|
// this is an alternate, and we're already loading others, but not loading this, defer it
|
|
mPendingAlternateSheets.AppendElement(data);
|
|
result = NS_OK;
|
|
}
|
|
else {
|
|
if (aParserToUnblock) {
|
|
data->mDidBlockParser = PR_TRUE;
|
|
}
|
|
result = LoadSheet(key, data);
|
|
}
|
|
aCompleted = PR_FALSE;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
CSSLoaderImpl::LoadChildSheet(nsICSSStyleSheet* aParentSheet,
|
|
nsIURI* aURL,
|
|
const nsString& aMedia,
|
|
PRInt32 aDefaultNameSpaceID,
|
|
PRInt32 aIndex)
|
|
{
|
|
nsresult result = NS_ERROR_NULL_POINTER;
|
|
|
|
if (aURL) {
|
|
URLKey key(aURL);
|
|
|
|
nsICSSStyleSheet* sheet = (nsICSSStyleSheet*)mLoadedSheets.Get(&key);
|
|
if (sheet && (NS_COMFALSE == sheet->IsUnmodified())) { // if dirty, forget it
|
|
sheet = nsnull;
|
|
}
|
|
|
|
if (sheet) { // already have one loaded and unmodified
|
|
nsICSSStyleSheet* clone = nsnull;
|
|
result = sheet->Clone(clone);
|
|
if (NS_SUCCEEDED(result)) {
|
|
SetMedia(clone, aMedia);
|
|
result = InsertChildSheet(clone, aParentSheet, aIndex);
|
|
NS_RELEASE(clone);
|
|
}
|
|
}
|
|
else {
|
|
SheetLoadData* data = new SheetLoadData(this, aURL, aMedia, aDefaultNameSpaceID,
|
|
aParentSheet, aIndex);
|
|
|
|
PRInt32 count = mParsingData.Count();
|
|
if (count) { // still parsing the parent (expected for @import)
|
|
// XXX assert that last parsing == parent sheet
|
|
SheetLoadData* parentData = (SheetLoadData*)mParsingData.ElementAt(count - 1);
|
|
data->mParentData = parentData;
|
|
data->mIsAgent = parentData->mIsAgent;
|
|
data->mSyncLoad = parentData->mSyncLoad;
|
|
|
|
// verify that sheet doesn't have new child as a parent
|
|
do {
|
|
PRBool equals;
|
|
result = parentData->mURL->Equals(aURL, &equals);
|
|
if (NS_SUCCEEDED(result) && equals) { // houston, we have a loop, blow off this child
|
|
data->mParentData = nsnull;
|
|
delete data;
|
|
return NS_OK;
|
|
}
|
|
parentData = parentData->mParentData;
|
|
} while (parentData);
|
|
|
|
(data->mParentData->mPendingChildren)++;
|
|
}
|
|
result = LoadSheet(key, data);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
CSSLoaderImpl::LoadAgentSheet(nsIURI* aURL,
|
|
nsICSSStyleSheet*& aSheet,
|
|
PRBool& aCompleted,
|
|
nsCSSLoaderCallbackFunc aCallback,
|
|
void *aData)
|
|
{
|
|
nsresult result = NS_ERROR_NULL_POINTER;
|
|
if (aURL) {
|
|
// Get an input stream from the url
|
|
nsIInputStream* in;
|
|
nsIURI* urlClone;
|
|
result = aURL->Clone(&urlClone); // dont give key URL to netlib, it gets munged
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = NS_OpenURI(&in, urlClone);
|
|
NS_RELEASE(urlClone);
|
|
if (NS_SUCCEEDED(result)) {
|
|
// Translate the input using the argument character set id into unicode
|
|
nsIUnicharInputStream* uin;
|
|
result = NS_NewConverterStream(&uin, nsnull, in);
|
|
if (NS_SUCCEEDED(result)) {
|
|
SheetLoadData* data = new SheetLoadData(this, aURL, aCallback, aData);
|
|
URLKey key(aURL);
|
|
mLoadingSheets.Put(&key, data);
|
|
result = ParseSheet(uin, data, aCompleted, aSheet);
|
|
NS_RELEASE(uin);
|
|
}
|
|
else {
|
|
fputs("CSSLoader::LoadAgentSheet - failed to get converter stream\n", stderr);
|
|
}
|
|
NS_RELEASE(in);
|
|
}
|
|
else {
|
|
// Dump an error message to the console
|
|
char *url;
|
|
aURL->GetSpec(&url);
|
|
cerr << "CSSLoaderImpl::LoadAgentSheet: Load of URL '" << url
|
|
<< "' failed. Error code: " << NS_ERROR_GET_CODE(result) << "\n";
|
|
nsCRT::free(url);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
nsresult NS_NewCSSLoader(nsIDocument* aDocument, nsICSSLoader** aLoader)
|
|
{
|
|
CSSLoaderImpl* it = new CSSLoaderImpl();
|
|
|
|
if (it == nsnull) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
it->Init(aDocument);
|
|
return it->QueryInterface(kICSSLoaderIID, (void **)aLoader);
|
|
}
|
|
|
|
nsresult NS_NewCSSLoader(nsICSSLoader** aLoader)
|
|
{
|
|
CSSLoaderImpl* it = new CSSLoaderImpl();
|
|
|
|
if (it == nsnull) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
return it->QueryInterface(kICSSLoaderIID, (void **)aLoader);
|
|
}
|
|
|
|
|
|
|