mirror of
https://github.com/mozilla/gecko-dev.git
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2da0ab457d
tracking the attributes which appear in CSS selectors, and only firing a complete reresolution when we change one of those. In the irrelevant-attr case, we just let the frame update itself and get on with our lives right away. Fixed 38378, r=brendan, booyah. Also, when setting an attribute to the same value that it currently holds, don't think about it especially hard, and _don't_ go anywhere near the style code. Fixed 21879, r=brendan, boo_yah_.
82 lines
2.8 KiB
C++
82 lines
2.8 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsIStyleSheet_h___
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#define nsIStyleSheet_h___
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#include <stdio.h>
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#include "nsISupports.h"
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class nsISizeOfHandler;
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class nsIAtom;
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class nsString;
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class nsIURI;
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class nsIStyleRule;
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class nsISupportsArray;
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class nsIPresContext;
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class nsIContent;
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class nsIDocument;
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class nsIStyleContext;
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class nsIStyleRuleProcessor;
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// IID for the nsIStyleSheet interface {8c4a80a0-ad6a-11d1-8031-006008159b5a}
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#define NS_ISTYLE_SHEET_IID \
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{0x8c4a80a0, 0xad6a, 0x11d1, {0x80, 0x31, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
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class nsIStyleSheet : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_ISTYLE_SHEET_IID; return iid; }
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// basic style sheet data
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NS_IMETHOD GetURL(nsIURI*& aURL) const = 0;
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NS_IMETHOD GetTitle(nsString& aTitle) const = 0;
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NS_IMETHOD GetType(nsString& aType) const = 0;
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NS_IMETHOD GetMediumCount(PRInt32& aCount) const = 0;
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NS_IMETHOD GetMediumAt(PRInt32 aIndex, nsIAtom*& aMedium) const = 0;
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NS_IMETHOD UseForMedium(nsIAtom* aMedium) const = 0;
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NS_IMETHOD GetEnabled(PRBool& aEnabled) const = 0;
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NS_IMETHOD SetEnabled(PRBool aEnabled) = 0;
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// style sheet owner info
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NS_IMETHOD GetParentSheet(nsIStyleSheet*& aParent) const = 0; // may be null
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NS_IMETHOD GetOwningDocument(nsIDocument*& aDocument) const = 0; // may be null
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NS_IMETHOD SetOwningDocument(nsIDocument* aDocument) = 0;
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// style rule processor access
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NS_IMETHOD GetStyleRuleProcessor(nsIStyleRuleProcessor*& aProcessor,
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nsIStyleRuleProcessor* aPrevProcessor) = 0;
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// XXX style rule enumerations
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virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const = 0;
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virtual void SizeOf(nsISizeOfHandler *aSizeofHandler, PRUint32 &aSize) = 0;
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// If changing the given attribute cannot affect style context, aAffects
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// will be PR_FALSE on return.
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NS_IMETHOD AttributeAffectsStyle(nsIAtom *aAttribute, nsIContent *aContent,
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PRBool &aAffects) = 0;
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};
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#endif /* nsIStyleSheet_h___ */
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