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https://github.com/mozilla/gecko-dev.git
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d2229cbf68
- Eliminate the _moz-option-selected attribute; move the actual selected state into the option content node. - Change all users of _moz-option-selected to use :checked. - Add a third parameter to nsIDocument[Observer]::ContentStatesChanged to indicate which pseudoclass changed, this is used for optimizing handling of :checked state changes. Bug 128947, r=dbaron, sr=jst, a=asa.
185 lines
7.2 KiB
C++
185 lines
7.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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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 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsImageMap_h___
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#define nsImageMap_h___
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#include "nsISupports.h"
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#include "nsCoord.h"
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#include "nsVoidArray.h"
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#include "nsIDocumentObserver.h"
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#include "nsIDOMFocusListener.h"
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#include "nsIFrame.h"
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class nsIContent;
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class nsIDOMHTMLAreaElement;
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class nsIDOMHTMLMapElement;
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class nsIPresContext;
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class nsIRenderingContext;
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class nsIURI;
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class nsString;
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class nsIDOMEvent;
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class nsImageMap : public nsIDocumentObserver, public nsIDOMFocusListener
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{
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public:
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nsImageMap();
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nsresult Init(nsIPresShell* aPresShell, nsIFrame* aImageFrame, nsIDOMHTMLMapElement* aMap);
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/**
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* See if the given aX,aY <b>pixel</b> coordinates are in the image
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* map. If they are then NS_OK is returned and aAbsURL, aTarget,
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* aAltText, aSuppress are filled in with the values from the
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* underlying area tag. If the coordinates are not in the map
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* then NS_NOT_INSIDE is returned.
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*/
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PRBool IsInside(nscoord aX, nscoord aY,
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nsIContent** aContent,
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nsString& aAbsURL,
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nsString& aTarget,
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nsString& aAltText,
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PRBool* aSuppress);
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/**
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* See if the given aX,aY <b>pixel</b> coordinates are in the image
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* map. If they are then NS_OK is returned otherwise NS_NOT_INSIDE
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* is returned.
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*/
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PRBool IsInside(nscoord aX, nscoord aY);
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void Draw(nsIPresContext* aCX, nsIRenderingContext& aRC);
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/**
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* Called just before the nsImageFrame releases us.
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* Used to break the cycle caused by the DOM listener.
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*/
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void Destroy(void);
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#ifdef DEBUG
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void SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const;
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#endif
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIDocumentObserver
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NS_IMETHOD BeginUpdate(nsIDocument *aDocument);
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NS_IMETHOD EndUpdate(nsIDocument *aDocument);
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NS_IMETHOD BeginLoad(nsIDocument *aDocument);
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NS_IMETHOD EndLoad(nsIDocument *aDocument);
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NS_IMETHOD BeginReflow(nsIDocument *aDocument, nsIPresShell* aShell);
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NS_IMETHOD EndReflow(nsIDocument *aDocument, nsIPresShell* aShell);
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NS_IMETHOD ContentChanged(nsIDocument *aDocument,
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nsIContent* aContent,
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nsISupports* aSubContent);
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NS_IMETHOD ContentStatesChanged(nsIDocument* aDocument,
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nsIContent* aContent1,
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nsIContent* aContent2,
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nsIAtom* aChangedPseudoClass);
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NS_IMETHOD AttributeChanged(nsIDocument *aDocument,
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nsIContent* aContent,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType,
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PRInt32 aHint);
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NS_IMETHOD ContentAppended(nsIDocument *aDocument,
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nsIContent* aContainer,
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PRInt32 aNewIndexInContainer);
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NS_IMETHOD ContentInserted(nsIDocument *aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentReplaced(nsIDocument *aDocument,
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nsIContent* aContainer,
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nsIContent* aOldChild,
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nsIContent* aNewChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentRemoved(nsIDocument *aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD StyleSheetAdded(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet);
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NS_IMETHOD StyleSheetRemoved(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet);
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NS_IMETHOD StyleSheetDisabledStateChanged(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet,
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PRBool aDisabled);
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NS_IMETHOD StyleRuleChanged(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule,
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PRInt32 aHint);
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NS_IMETHOD StyleRuleAdded(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule);
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NS_IMETHOD StyleRuleRemoved(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule);
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NS_IMETHOD DocumentWillBeDestroyed(nsIDocument *aDocument);
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//nsIDOMFocusListener
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NS_IMETHOD Focus(nsIDOMEvent* aEvent);
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NS_IMETHOD Blur(nsIDOMEvent* aEvent);
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
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protected:
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virtual ~nsImageMap();
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void FreeAreas();
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nsresult UpdateAreas();
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nsresult UpdateAreasForBlock(nsIContent* aParent, PRBool* aFoundAnchor);
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static PRBool IsAncestorOf(nsIContent* aContent,
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nsIContent* aAncestorContent);
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nsresult AddArea(nsIContent* aArea);
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nsresult ChangeFocus(nsIDOMEvent* aEvent, PRBool aFocus);
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nsresult Invalidate(nsIPresContext* aPresContext, nsIFrame* aFrame, nsRect& aRect);
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nsIPresShell* mPresShell; // WEAK - owns the frame that owns us
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nsIFrame* mImageFrame; // the frame that owns us
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nsIDocument* mDocument; // WEAK - the imagemap will not outlive the document
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nsIDOMHTMLMapElement* mDomMap;
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nsIContent* mMap;
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nsAutoVoidArray mAreas; // almost always has some entries
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PRBool mContainsBlockContents;
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};
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#endif /* nsImageMap_h___ */
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