/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ // vim:cindent:tabstop=2:expandtab:shiftwidth=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) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * L. David Baron * Pierre Phaneuf * Daniel Glazman * * 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 ***** */ /* representation of a CSS style sheet */ #ifndef nsCSSStyleSheet_h_ #define nsCSSStyleSheet_h_ #include "nscore.h" #include "nsCOMPtr.h" #include "nsAutoPtr.h" #include "nsICSSStyleSheet.h" #include "nsIDOMCSSStyleSheet.h" #include "nsICSSLoaderObserver.h" #include "nsVoidArray.h" #include "nsCOMArray.h" class nsIURI; class nsMediaList; // ------------------------------- // CSS Style Sheet Inner Data Container // class nsCSSStyleSheetInner { public: nsCSSStyleSheetInner(nsICSSStyleSheet* aParentSheet); nsCSSStyleSheetInner(nsCSSStyleSheetInner& aCopy, nsICSSStyleSheet* aParentSheet); virtual ~nsCSSStyleSheetInner(); virtual nsCSSStyleSheetInner* CloneFor(nsICSSStyleSheet* aParentSheet); virtual void AddSheet(nsICSSStyleSheet* aParentSheet); virtual void RemoveSheet(nsICSSStyleSheet* aParentSheet); virtual void RebuildNameSpaces(); nsAutoVoidArray mSheets; nsCOMPtr mSheetURI; // for error reports, etc. nsCOMPtr mBaseURI; // for resolving relative URIs nsCOMPtr mPrincipal; nsCOMArray mOrderedRules; nsAutoPtr mNameSpaceMap; PRBool mComplete; #ifdef DEBUG PRBool mPrincipalSet; #endif }; // ------------------------------- // CSS Style Sheet // class CSSImportsCollectionImpl; class CSSRuleListImpl; static PRBool CascadeSheetRulesInto(nsICSSStyleSheet* aSheet, void* aData); class nsCSSStyleSheet : public nsICSSStyleSheet, public nsIDOMCSSStyleSheet, public nsICSSLoaderObserver { public: nsCSSStyleSheet(); NS_DECL_ISUPPORTS // nsIStyleSheet interface NS_IMETHOD GetSheetURI(nsIURI** aSheetURI) const; NS_IMETHOD GetBaseURI(nsIURI** aBaseURI) const; NS_IMETHOD GetTitle(nsString& aTitle) const; NS_IMETHOD GetType(nsString& aType) const; NS_IMETHOD_(PRBool) UseForMedium(nsPresContext* aPresContext) const; NS_IMETHOD_(PRBool) HasRules() const; NS_IMETHOD GetApplicable(PRBool& aApplicable) const; NS_IMETHOD SetEnabled(PRBool aEnabled); NS_IMETHOD GetComplete(PRBool& aComplete) const; NS_IMETHOD SetComplete(); NS_IMETHOD GetParentSheet(nsIStyleSheet*& aParent) const; // may be null NS_IMETHOD GetOwningDocument(nsIDocument*& aDocument) const; // may be null NS_IMETHOD SetOwningDocument(nsIDocument* aDocument); #ifdef DEBUG virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const; #endif // nsICSSStyleSheet interface NS_IMETHOD ContainsStyleSheet(nsIURI* aURL, PRBool& aContains, nsIStyleSheet** aTheChild=nsnull); NS_IMETHOD AppendStyleSheet(nsICSSStyleSheet* aSheet); NS_IMETHOD InsertStyleSheetAt(nsICSSStyleSheet* aSheet, PRInt32 aIndex); NS_IMETHOD PrependStyleRule(nsICSSRule* aRule); NS_IMETHOD AppendStyleRule(nsICSSRule* aRule); NS_IMETHOD ReplaceStyleRule(nsICSSRule* aOld, nsICSSRule* aNew); NS_IMETHOD StyleRuleCount(PRInt32& aCount) const; NS_IMETHOD GetStyleRuleAt(PRInt32 aIndex, nsICSSRule*& aRule) const; NS_IMETHOD DeleteRuleFromGroup(nsICSSGroupRule* aGroup, PRUint32 aIndex); NS_IMETHOD InsertRuleIntoGroup(const nsAString& aRule, nsICSSGroupRule* aGroup, PRUint32 aIndex, PRUint32* _retval); NS_IMETHOD ReplaceRuleInGroup(nsICSSGroupRule* aGroup, nsICSSRule* aOld, nsICSSRule* aNew); NS_IMETHOD StyleSheetCount(PRInt32& aCount) const; NS_IMETHOD GetStyleSheetAt(PRInt32 aIndex, nsICSSStyleSheet*& aSheet) const; NS_IMETHOD SetURIs(nsIURI* aSheetURI, nsIURI* aBaseURI); virtual NS_HIDDEN_(void) SetPrincipal(nsIPrincipal* aPrincipal); virtual NS_HIDDEN_(nsIPrincipal*) Principal() const; NS_IMETHOD SetTitle(const nsAString& aTitle); NS_IMETHOD SetMedia(nsMediaList* aMedia); NS_IMETHOD SetOwningNode(nsIDOMNode* aOwningNode); NS_IMETHOD SetOwnerRule(nsICSSImportRule* aOwnerRule); NS_IMETHOD GetOwnerRule(nsICSSImportRule** aOwnerRule); virtual NS_HIDDEN_(nsXMLNameSpaceMap*) GetNameSpaceMap() const; NS_IMETHOD Clone(nsICSSStyleSheet* aCloneParent, nsICSSImportRule* aCloneOwnerRule, nsIDocument* aCloneDocument, nsIDOMNode* aCloneOwningNode, nsICSSStyleSheet** aClone) const; NS_IMETHOD IsModified(PRBool* aSheetModified) const; NS_IMETHOD SetModified(PRBool aModified); NS_IMETHOD AddRuleProcessor(nsCSSRuleProcessor* aProcessor); NS_IMETHOD DropRuleProcessor(nsCSSRuleProcessor* aProcessor); // nsICSSLoaderObserver interface NS_IMETHOD StyleSheetLoaded(nsICSSStyleSheet* aSheet, PRBool aWasAlternate, nsresult aStatus); nsresult EnsureUniqueInner(); // nsIDOMStyleSheet interface NS_DECL_NSIDOMSTYLESHEET // nsIDOMCSSStyleSheet interface NS_DECL_NSIDOMCSSSTYLESHEET private: nsCSSStyleSheet(const nsCSSStyleSheet& aCopy, nsICSSStyleSheet* aParentToUse, nsICSSImportRule* aOwnerRuleToUse, nsIDocument* aDocumentToUse, nsIDOMNode* aOwningNodeToUse); // These are not supported and are not implemented! nsCSSStyleSheet(const nsCSSStyleSheet& aCopy); nsCSSStyleSheet& operator=(const nsCSSStyleSheet& aCopy); protected: virtual ~nsCSSStyleSheet(); void ClearRuleCascades(); nsresult WillDirty(); void DidDirty(); protected: nsString mTitle; nsCOMPtr mMedia; nsCSSStyleSheet* mFirstChild; nsCSSStyleSheet* mNext; nsICSSStyleSheet* mParent; // weak ref nsICSSImportRule* mOwnerRule; // weak ref CSSImportsCollectionImpl* mImportsCollection; CSSRuleListImpl* mRuleCollection; nsIDocument* mDocument; // weak ref; parents maintain this for their children nsIDOMNode* mOwningNode; // weak ref PRPackedBool mDisabled; PRPackedBool mDirty; // has been modified nsCSSStyleSheetInner* mInner; nsAutoVoidArray* mRuleProcessors; friend class nsMediaList; friend PRBool CascadeSheetRulesInto(nsICSSStyleSheet* aSheet, void* aData); friend nsresult NS_NewCSSStyleSheet(nsICSSStyleSheet** aInstancePtrResult); }; #endif /* !defined(nsCSSStyleSheet_h_) */