gecko/layout/style/nsHTMLStyleSheet.h

185 lines
6.0 KiB
C++

/* -*- 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) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
*
* 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 ***** */
/*
* style sheet and style rule processor representing data from presentational
* HTML attributes
*/
#ifndef nsHTMLStyleSheet_h_
#define nsHTMLStyleSheet_h_
#include "nsIStyleSheet.h"
#include "nsIStyleRuleProcessor.h"
#include "nsIStyleRule.h"
#include "pldhash.h"
#include "nsCOMPtr.h"
#include "nsColor.h"
class nsMappedAttributes;
class nsHTMLStyleSheet : public nsIStyleSheet, public nsIStyleRuleProcessor {
public:
nsHTMLStyleSheet(void);
nsresult Init();
NS_DECL_ISUPPORTS
// nsIStyleSheet api
virtual nsIURI* GetSheetURI() const;
virtual nsIURI* GetBaseURI() const;
virtual void GetTitle(nsString& aTitle) const;
virtual void GetType(nsString& aType) const;
virtual PRBool HasRules() const;
virtual PRBool IsApplicable() const;
virtual void SetEnabled(PRBool aEnabled);
virtual PRBool IsComplete() const;
virtual void SetComplete();
virtual nsIStyleSheet* GetParentSheet() const; // will be null
virtual nsIDocument* GetOwningDocument() const;
virtual void SetOwningDocument(nsIDocument* aDocumemt);
#ifdef DEBUG
virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
// nsIStyleRuleProcessor API
virtual void RulesMatching(ElementRuleProcessorData* aData);
virtual void RulesMatching(PseudoElementRuleProcessorData* aData);
virtual void RulesMatching(AnonBoxRuleProcessorData* aData);
#ifdef MOZ_XUL
virtual void RulesMatching(XULTreeRuleProcessorData* aData);
#endif
virtual nsRestyleHint HasStateDependentStyle(StateRuleProcessorData* aData);
virtual PRBool HasDocumentStateDependentStyle(StateRuleProcessorData* aData);
virtual nsRestyleHint
HasAttributeDependentStyle(AttributeRuleProcessorData* aData);
virtual PRBool MediumFeaturesChanged(nsPresContext* aPresContext);
nsresult Init(nsIURI* aURL, nsIDocument* aDocument);
void Reset(nsIURI* aURL);
nsresult SetLinkColor(nscolor aColor);
nsresult SetActiveLinkColor(nscolor aColor);
nsresult SetVisitedLinkColor(nscolor aColor);
// Mapped Attribute management methods
already_AddRefed<nsMappedAttributes>
UniqueMappedAttributes(nsMappedAttributes* aMapped);
void DropMappedAttributes(nsMappedAttributes* aMapped);
private:
// These are not supported and are not implemented!
nsHTMLStyleSheet(const nsHTMLStyleSheet& aCopy);
nsHTMLStyleSheet& operator=(const nsHTMLStyleSheet& aCopy);
~nsHTMLStyleSheet();
class HTMLColorRule;
friend class HTMLColorRule;
class HTMLColorRule : public nsIStyleRule {
public:
HTMLColorRule() {}
NS_DECL_ISUPPORTS
// nsIStyleRule interface
virtual void MapRuleInfoInto(nsRuleData* aRuleData);
#ifdef DEBUG
virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
nscolor mColor;
};
// Implementation of SetLink/VisitedLink/ActiveLinkColor
nsresult ImplLinkColorSetter(nsRefPtr<HTMLColorRule>& aRule, nscolor aColor);
class GenericTableRule;
friend class GenericTableRule;
class GenericTableRule: public nsIStyleRule {
public:
GenericTableRule() {}
NS_DECL_ISUPPORTS
// nsIStyleRule interface
virtual void MapRuleInfoInto(nsRuleData* aRuleData) = 0;
#ifdef DEBUG
virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
#endif
};
// this rule handles <th> inheritance
class TableTHRule;
friend class TableTHRule;
class TableTHRule: public GenericTableRule {
public:
TableTHRule() {}
virtual void MapRuleInfoInto(nsRuleData* aRuleData);
};
// Rule to handle quirk table colors
class TableQuirkColorRule : public GenericTableRule {
public:
TableQuirkColorRule() {}
virtual void MapRuleInfoInto(nsRuleData* aRuleData);
};
nsCOMPtr<nsIURI> mURL;
nsIDocument* mDocument;
nsRefPtr<HTMLColorRule> mLinkRule;
nsRefPtr<HTMLColorRule> mVisitedRule;
nsRefPtr<HTMLColorRule> mActiveRule;
nsRefPtr<TableQuirkColorRule> mTableQuirkColorRule;
nsRefPtr<TableTHRule> mTableTHRule;
PLDHashTable mMappedAttrTable;
};
// XXX convenience method. Calls Initialize() automatically.
nsresult
NS_NewHTMLStyleSheet(nsHTMLStyleSheet** aInstancePtrResult, nsIURI* aURL,
nsIDocument* aDocument);
nsresult
NS_NewHTMLStyleSheet(nsHTMLStyleSheet** aInstancePtrResult);
#endif /* !defined(nsHTMLStyleSheet_h_) */