зеркало из https://github.com/mozilla/gecko-dev.git
132 строки
4.8 KiB
C++
132 строки
4.8 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 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) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsImageMap_h___
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#define nsImageMap_h___
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#include "nslayout.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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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 nsIURL;
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class nsString;
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class nsImageMap : public nsIDocumentObserver
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{
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public:
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nsImageMap();
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nsresult Init(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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nsIURL* aDocURL,
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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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// 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 AttributeChanged(nsIDocument *aDocument,
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nsIContent* aContent,
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nsIAtom* aAttribute,
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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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protected:
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virtual ~nsImageMap();
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void FreeAreas();
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nsresult UpdateAreas();
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nsresult AddArea(nsIDOMHTMLAreaElement* aArea);
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nsIDocument* mDocument;
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nsIDOMHTMLMapElement* mDomMap;
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nsIContent* mMap;
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nsVoidArray mAreas;
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};
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#endif /* nsImageMap_h___ */
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