зеркало из https://github.com/mozilla/gecko-dev.git
825 строки
21 KiB
C++
825 строки
21 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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#include "nsIImageMap.h"
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#include "nsString.h"
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#include "nsVoidArray.h"
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#include "nsCoord.h"
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#include "nsIRenderingContext.h"
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#include "nsIPresContext.h"
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#include "nsIURL.h"
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#include "nsXIFConverter.h"
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#include "nsISizeOfHandler.h"
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class Area {
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public:
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Area(const nsString& aBaseURL, const nsString& aHREF,
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const nsString& aTarget, const nsString& aAltText,
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PRBool aSuppress);
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virtual ~Area();
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void ParseCoords(const nsString& aSpec);
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virtual PRBool IsInside(nscoord x, nscoord y) = 0;
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virtual void Draw(nsIPresContext& aCX,
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nsIRenderingContext& aRC) = 0;
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virtual void GetShapeName(nsString& aResult) const = 0;
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void ToHTML(nsString& aResult);
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/**
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* Translate the content object into the (XIF) XML Interchange Format
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* XIF is an intermediate form of the content model, the buffer
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* will then be parsed into any number of formats including HTML, TXT, etc.
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*/
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virtual void BeginConvertToXIF(nsXIFConverter& aConverter) const;
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virtual void ConvertContentToXIF(nsXIFConverter& aConverter) const;
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virtual void FinishConvertToXIF(nsXIFConverter& aConverter) const;
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const nsString& GetBase() const { return mBase; }
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const nsString& GetHREF() const { return mHREF; }
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const nsString& GetTarget() const { return mTarget; }
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const nsString& GetAltText() const { return mAltText; }
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PRBool GetSuppress() const { return mSuppressFeedback; }
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virtual void SizeOf(nsISizeOfHandler* aHandler) const;
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nsString mBase;
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nsString mHREF;
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nsString mTarget;
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nsString mAltText;
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nscoord* mCoords;
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PRInt32 mNumCoords;
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PRBool mSuppressFeedback;
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};
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Area::Area(const nsString& aBaseURL, const nsString& aHREF,
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const nsString& aTarget, const nsString& aAltText,
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PRBool aSuppress)
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: mBase(aBaseURL), mHREF(aHREF), mTarget(aTarget), mAltText(aAltText),
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mSuppressFeedback(aSuppress)
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{
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mCoords = nsnull;
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mNumCoords = 0;
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}
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Area::~Area()
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{
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delete [] mCoords;
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}
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void
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Area::SizeOf(nsISizeOfHandler* aHandler) const
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{
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aHandler->Add(sizeof(*this));
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aHandler->Add((size_t) (- ((PRInt32)sizeof(nsString) * 4) ) );
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mBase.SizeOf(aHandler);
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mHREF.SizeOf(aHandler);
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mTarget.SizeOf(aHandler);
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mAltText.SizeOf(aHandler);
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aHandler->Add(mNumCoords * sizeof(nscoord));
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}
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// XXX move into nsCRT
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#define XP_IS_SPACE(_ch) \
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(((_ch) == ' ') || ((_ch) == '\t') || ((_ch) == '\r') || ((_ch) == '\n'))
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#include <stdlib.h>
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#define XP_ATOI(_s) ::atoi(_s)
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// XXX straight copy from laymap.c
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static nscoord* lo_parse_coord_list(char *str, PRInt32* value_cnt)
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{
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char *tptr;
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char *n_str;
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PRInt32 i, cnt;
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PRInt32 *value_list;
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/*
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* Nothing in an empty list
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*/
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*value_cnt = 0;
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if ((str == NULL)||(*str == '\0'))
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{
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return((PRInt32 *)NULL);
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}
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/*
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* Skip beginning whitespace, all whitespace is empty list.
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*/
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n_str = str;
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while (XP_IS_SPACE(*n_str))
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{
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n_str++;
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}
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if (*n_str == '\0')
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{
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return((PRInt32 *)NULL);
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}
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/*
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* Make a pass where any two numbers separated by just whitespace
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* are given a comma separator. Count entries while passing.
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*/
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cnt = 0;
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while (*n_str != '\0')
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{
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PRBool has_comma;
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/*
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* Skip to a separator
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*/
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tptr = n_str;
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while ((!XP_IS_SPACE(*tptr))&&(*tptr != ',')&&(*tptr != '\0'))
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{
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tptr++;
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}
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n_str = tptr;
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/*
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* If no more entries, break out here
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*/
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if (*n_str == '\0')
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{
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break;
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}
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/*
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* Skip to the end of the separator, noting if we have a
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* comma.
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*/
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has_comma = PR_FALSE;
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while ((XP_IS_SPACE(*tptr))||(*tptr == ','))
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{
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if (*tptr == ',')
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{
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if (has_comma == PR_FALSE)
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{
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has_comma = PR_TRUE;
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}
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else
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{
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break;
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}
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}
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tptr++;
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}
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/*
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* If this was trailing whitespace we skipped, we are done.
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*/
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if ((*tptr == '\0')&&(has_comma == PR_FALSE))
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{
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break;
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}
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/*
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* Else if the separator is all whitespace, and this is not the
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* end of the string, add a comma to the separator.
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*/
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else if (has_comma == PR_FALSE)
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{
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*n_str = ',';
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}
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/*
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* count the entry skipped.
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*/
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cnt++;
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n_str = tptr;
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}
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/*
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* count the last entry in the list.
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*/
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cnt++;
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*value_cnt = cnt;
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/*
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* Allocate space for the coordinate array.
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*/
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value_list = new nscoord[cnt];
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if (value_list == NULL)
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{
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return((PRInt32 *)NULL);
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}
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/*
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* Second pass to copy integer values into list.
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*/
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tptr = str;
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for (i=0; i<cnt; i++)
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{
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char *ptr;
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ptr = strchr(tptr, ',');
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if (ptr != NULL)
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{
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*ptr = '\0';
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}
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/*
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* Strip whitespace in front of number because I don't
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* trust atoi to do it on all platforms.
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*/
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while (XP_IS_SPACE(*tptr))
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{
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tptr++;
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}
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if (*tptr == '\0')
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{
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value_list[i] = 0;
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}
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else
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{
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value_list[i] = (nscoord)XP_ATOI(tptr);
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}
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if (ptr != NULL)
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{
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*ptr = ',';
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tptr = (char *)(ptr + 1);
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}
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}
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return(value_list);
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}
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void Area::ParseCoords(const nsString& aSpec)
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{
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char* cp = aSpec.ToNewCString();
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mCoords = lo_parse_coord_list(cp, &mNumCoords);
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delete cp;
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}
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void Area::ToHTML(nsString& aResult)
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{
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aResult.Truncate();
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aResult.Append("<AREA SHAPE=");
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nsAutoString shape;
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GetShapeName(shape);
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aResult.Append(shape);
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aResult.Append(" COORDS=\"");
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if (nsnull != mCoords) {
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PRInt32 i, n = mNumCoords;
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for (i = 0; i < n; i++) {
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aResult.Append(mCoords[i], 10);
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if (i < n - 1) {
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aResult.Append(',');
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}
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}
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}
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aResult.Append("\" HREF=\"");
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aResult.Append(mHREF);
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aResult.Append("\"");
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if (0 < mTarget.Length()) {
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aResult.Append(" TARGET=\"");
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aResult.Append(mTarget);
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aResult.Append("\"");
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}
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if (0 < mAltText.Length()) {
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aResult.Append(" ALT=\"");
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aResult.Append(mAltText);
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aResult.Append("\"");
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}
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if (mSuppressFeedback) {
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aResult.Append(" SUPPRESS");
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}
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aResult.Append('>');
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}
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/**
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* Translate the content object into the (XIF) XML Interchange Format
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* XIF is an intermediate form of the content model, the buffer
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* will then be parsed into any number of formats including HTML, TXT, etc.
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*/
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void Area::BeginConvertToXIF(nsXIFConverter& aConverter) const
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{
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nsAutoString tag("area");
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aConverter.BeginStartTag(tag);
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nsAutoString name("shape");
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nsAutoString shape;
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GetShapeName(shape);
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aConverter.AddAttribute(name,shape);
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nsAutoString coords;
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if (nsnull != mCoords) {
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PRInt32 i, n = mNumCoords;
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for (i = 0; i < n; i++) {
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coords.Append(mCoords[i], 10);
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if (i < n - 1) {
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coords.Append(',');
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}
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}
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}
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name.SetString("coords");
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aConverter.AddAttribute(name,coords);
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name.SetString("href");
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aConverter.AddAttribute(name,mHREF);
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if (0 < mTarget.Length()) {
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name.SetString("target");
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aConverter.AddAttribute(name,mTarget);
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}
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if (0 < mAltText.Length()) {
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name.SetString("alt");
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aConverter.AddAttribute(name,mTarget);
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}
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if (mSuppressFeedback) {
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name.SetString("suppress");
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aConverter.AddAttribute(name);
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}
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}
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void Area::FinishConvertToXIF(nsXIFConverter& aConverter) const
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{
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nsAutoString tag("area");
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aConverter.FinishStartTag(tag,PR_TRUE);
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}
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void Area::ConvertContentToXIF(nsXIFConverter& aConverter) const
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{
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// Nothing needs to be done here, all of the logic
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// is handled in the start and finish methods
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}
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//----------------------------------------------------------------------
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class DefaultArea : public Area {
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public:
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DefaultArea(const nsString& aBaseURL, const nsString& aHREF,
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const nsString& aTarget, const nsString& aAltText,
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PRBool aSuppress);
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~DefaultArea();
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virtual PRBool IsInside(nscoord x, nscoord y);
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virtual void Draw(nsIPresContext& aCX,
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nsIRenderingContext& aRC);
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virtual void GetShapeName(nsString& aResult) const;
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};
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DefaultArea::DefaultArea(const nsString& aBaseURL, const nsString& aHREF,
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const nsString& aTarget, const nsString& aAltText,
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PRBool aSuppress)
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: Area(aBaseURL, aHREF, aTarget, aAltText, aSuppress)
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{
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}
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DefaultArea::~DefaultArea()
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{
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}
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PRBool DefaultArea::IsInside(nscoord x, nscoord y)
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{
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return PR_TRUE;
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}
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void DefaultArea::Draw(nsIPresContext& aCX, nsIRenderingContext& aRC)
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{
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}
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void DefaultArea::GetShapeName(nsString& aResult) const
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{
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aResult.Append("default");
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}
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//----------------------------------------------------------------------
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class RectArea : public Area {
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public:
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RectArea(const nsString& aBaseURL, const nsString& aHREF,
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const nsString& aTarget, const nsString& aAltText,
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PRBool aSuppress);
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~RectArea();
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virtual PRBool IsInside(nscoord x, nscoord y);
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virtual void Draw(nsIPresContext& aCX,
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nsIRenderingContext& aRC);
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virtual void GetShapeName(nsString& aResult) const;
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};
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RectArea::RectArea(const nsString& aBaseURL, const nsString& aHREF,
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const nsString& aTarget, const nsString& aAltText,
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PRBool aSuppress)
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: Area(aBaseURL, aHREF, aTarget, aAltText, aSuppress)
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{
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}
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RectArea::~RectArea()
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{
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}
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PRBool RectArea::IsInside(nscoord x, nscoord y)
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{
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if (mNumCoords >= 4) { // Note: > is for nav compatabilty
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nscoord x1 = mCoords[0];
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nscoord y1 = mCoords[1];
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nscoord x2 = mCoords[2];
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nscoord y2 = mCoords[3];
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if ((x1 > x2)|| (y1 > y2)) {
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// Can't be inside a screwed up rect
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return PR_FALSE;
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}
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if ((x >= x1) && (x <= x2) && (y >= y1) && (y <= y2)) {
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return PR_TRUE;
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}
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}
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return PR_FALSE;
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}
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void RectArea::Draw(nsIPresContext& aCX, nsIRenderingContext& aRC)
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{
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if (mNumCoords >= 4) {
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float p2t = aCX.GetPixelsToTwips();
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nscoord x1 = NSIntPixelsToTwips(mCoords[0], p2t);
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nscoord y1 = NSIntPixelsToTwips(mCoords[1], p2t);
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nscoord x2 = NSIntPixelsToTwips(mCoords[2], p2t);
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nscoord y2 = NSIntPixelsToTwips(mCoords[3], p2t);
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if ((x1 > x2)|| (y1 > y2)) {
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return;
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}
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aRC.DrawRect(x1, y1, x2 - x1, y2 - y1);
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}
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}
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void RectArea::GetShapeName(nsString& aResult) const
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{
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aResult.Append("rect");
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}
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//----------------------------------------------------------------------
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class PolyArea : public Area {
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public:
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PolyArea(const nsString& aBaseURL, const nsString& aHREF,
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const nsString& aTarget, const nsString& aAltText,
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PRBool aSuppress);
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~PolyArea();
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virtual PRBool IsInside(nscoord x, nscoord y);
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virtual void Draw(nsIPresContext& aCX,
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nsIRenderingContext& aRC);
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virtual void GetShapeName(nsString& aResult) const;
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};
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PolyArea::PolyArea(const nsString& aBaseURL, const nsString& aHREF,
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const nsString& aTarget, const nsString& aAltText,
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PRBool aSuppress)
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: Area(aBaseURL, aHREF, aTarget, aAltText, aSuppress)
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{
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}
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PolyArea::~PolyArea()
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{
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}
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PRBool PolyArea::IsInside(nscoord x, nscoord y)
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{
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if (mNumCoords >= 6) {
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PRInt32 intersects = 0;
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nscoord wherex = x;
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nscoord wherey = y;
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PRInt32 totalv = mNumCoords / 2;
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PRInt32 totalc = totalv * 2;
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nscoord xval = mCoords[totalc - 2];
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nscoord yval = mCoords[totalc - 1];
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PRInt32 end = totalc;
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PRInt32 pointer = 1;
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if ((yval >= wherey) != (mCoords[pointer] >= wherey))
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if ((xval >= wherex) == (mCoords[0] >= wherex))
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intersects += (xval >= wherex) ? 1 : 0;
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else
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intersects += ((xval - (yval - wherey) *
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(mCoords[0] - xval) /
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(mCoords[pointer] - yval)) >= wherex) ? 1 : 0;
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// XXX I wonder what this is doing; this is a translation of ptinpoly.c
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while (pointer < end) {
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yval = mCoords[pointer];
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pointer += 2;
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if (yval >= wherey) {
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while((pointer < end) && (mCoords[pointer] >= wherey))
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pointer+=2;
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if (pointer >= end)
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break;
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if ((mCoords[pointer-3] >= wherex) ==
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(mCoords[pointer-1] >= wherex)) {
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intersects += (mCoords[pointer-3] >= wherex) ? 1 : 0;
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} else {
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intersects +=
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((mCoords[pointer-3] - (mCoords[pointer-2] - wherey) *
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(mCoords[pointer-1] - mCoords[pointer-3]) /
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(mCoords[pointer] - mCoords[pointer - 2])) >= wherex) ? 1:0;
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}
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} else {
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while((pointer < end) && (mCoords[pointer] < wherey))
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pointer+=2;
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if (pointer >= end)
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break;
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if ((mCoords[pointer-3] >= wherex) ==
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(mCoords[pointer-1] >= wherex)) {
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intersects += (mCoords[pointer-3] >= wherex) ? 1:0;
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} else {
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intersects +=
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|
((mCoords[pointer-3] - (mCoords[pointer-2] - wherey) *
|
|
(mCoords[pointer-1] - mCoords[pointer-3]) /
|
|
(mCoords[pointer] - mCoords[pointer - 2])) >= wherex) ? 1:0;
|
|
}
|
|
}
|
|
}
|
|
if ((intersects & 1) != 0) {
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
void PolyArea::Draw(nsIPresContext& aCX, nsIRenderingContext& aRC)
|
|
{
|
|
if (mNumCoords >= 6) {
|
|
float p2t = aCX.GetPixelsToTwips();
|
|
nscoord x0 = NSIntPixelsToTwips(mCoords[0], p2t);
|
|
nscoord y0 = NSIntPixelsToTwips(mCoords[1], p2t);
|
|
for (PRInt32 i = 2; i < mNumCoords; i += 2) {
|
|
nscoord x1 = NSIntPixelsToTwips(mCoords[i], p2t);
|
|
nscoord y1 = NSIntPixelsToTwips(mCoords[i+1], p2t);
|
|
aRC.DrawLine(x0, y0, x1, y1);
|
|
x0 = x1;
|
|
y0 = y1;
|
|
}
|
|
aRC.DrawLine(x0, y0, mCoords[0], mCoords[1]);
|
|
}
|
|
}
|
|
|
|
void PolyArea::GetShapeName(nsString& aResult) const
|
|
{
|
|
aResult.Append("polygon");
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
class CircleArea : public Area {
|
|
public:
|
|
CircleArea(const nsString& aBaseURL, const nsString& aHREF,
|
|
const nsString& aTarget, const nsString& aAltText,
|
|
PRBool aSuppress);
|
|
~CircleArea();
|
|
|
|
virtual PRBool IsInside(nscoord x, nscoord y);
|
|
virtual void Draw(nsIPresContext& aCX,
|
|
nsIRenderingContext& aRC);
|
|
virtual void GetShapeName(nsString& aResult) const;
|
|
};
|
|
|
|
CircleArea::CircleArea(const nsString& aBaseURL, const nsString& aHREF,
|
|
const nsString& aTarget, const nsString& aAltText,
|
|
PRBool aSuppress)
|
|
: Area(aBaseURL, aHREF, aTarget, aAltText, aSuppress)
|
|
{
|
|
}
|
|
|
|
CircleArea::~CircleArea()
|
|
{
|
|
}
|
|
|
|
PRBool CircleArea::IsInside(nscoord x, nscoord y)
|
|
{
|
|
// Note: > is for nav compatabilty
|
|
if (mNumCoords >= 3) {
|
|
nscoord x1 = mCoords[0];
|
|
nscoord y1 = mCoords[1];
|
|
nscoord radius = mCoords[2];
|
|
if (radius < 0) {
|
|
return PR_FALSE;
|
|
}
|
|
nscoord dx = x1 - x;
|
|
nscoord dy = y1 - y;
|
|
nscoord dist = (dx * dx) + (dy * dy);
|
|
if (dist <= (radius * radius)) {
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
void CircleArea::Draw(nsIPresContext& aCX, nsIRenderingContext& aRC)
|
|
{
|
|
if (mNumCoords >= 3) {
|
|
float p2t = aCX.GetPixelsToTwips();
|
|
nscoord x1 = NSIntPixelsToTwips(mCoords[0], p2t);
|
|
nscoord y1 = NSIntPixelsToTwips(mCoords[1], p2t);
|
|
nscoord radius = NSIntPixelsToTwips(mCoords[2], p2t);
|
|
if (radius < 0) {
|
|
return;
|
|
}
|
|
nscoord x = x1 - radius / 2;
|
|
nscoord y = y1 - radius / 2;
|
|
nscoord w = 2 * radius;
|
|
aRC.DrawEllipse(x, y, w, w);
|
|
}
|
|
}
|
|
|
|
void CircleArea::GetShapeName(nsString& aResult) const
|
|
{
|
|
aResult.Append("circle");
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
static NS_DEFINE_IID(kIImageMapIID, NS_IIMAGEMAP_IID);
|
|
|
|
class ImageMapImpl : public nsIImageMap {
|
|
public:
|
|
ImageMapImpl(nsIAtom* aTag);
|
|
~ImageMapImpl();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHOD SetName(const nsString& aMapName);
|
|
|
|
NS_IMETHOD GetName(nsString& aResult);
|
|
|
|
NS_IMETHOD AddArea(const nsString& aBaseURL,
|
|
const nsString& aShape,
|
|
const nsString& aCoords,
|
|
const nsString& aHREF,
|
|
const nsString& aTarget,
|
|
const nsString& aAltText,
|
|
PRBool aSuppress);
|
|
|
|
NS_IMETHOD IsInside(nscoord aX, nscoord aY,
|
|
nsIURL* aDocURL,
|
|
nsString& aAbsURL,
|
|
nsString& aTarget,
|
|
nsString& aAltText,
|
|
PRBool* aSuppress);
|
|
|
|
NS_IMETHOD IsInside(nscoord aX, nscoord aY);
|
|
|
|
NS_IMETHOD Draw(nsIPresContext& aCX, nsIRenderingContext& aRC);
|
|
|
|
NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler) const;
|
|
|
|
nsString mName;
|
|
nsIAtom* mTag;
|
|
nsVoidArray mAreas;
|
|
};
|
|
|
|
ImageMapImpl::ImageMapImpl(nsIAtom* aTag)
|
|
{
|
|
NS_INIT_REFCNT();
|
|
mTag = aTag;
|
|
NS_IF_ADDREF(aTag);
|
|
}
|
|
|
|
ImageMapImpl::~ImageMapImpl()
|
|
{
|
|
NS_IF_RELEASE(mTag);
|
|
PRInt32 i, n = mAreas.Count();
|
|
for (i = 0; i < n; i++) {
|
|
Area* area = (Area*) mAreas.ElementAt(i);
|
|
delete area;
|
|
}
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(ImageMapImpl, kIImageMapIID);
|
|
|
|
NS_IMETHODIMP ImageMapImpl::SetName(const nsString& aMapName)
|
|
{
|
|
mName = aMapName;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP ImageMapImpl::GetName(nsString& aResult)
|
|
{
|
|
aResult = mName;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP ImageMapImpl::AddArea(const nsString& aBaseURL,
|
|
const nsString& aShape,
|
|
const nsString& aCoords,
|
|
const nsString& aHREF,
|
|
const nsString& aTarget,
|
|
const nsString& aAltText,
|
|
PRBool aSuppress)
|
|
{
|
|
Area* area;
|
|
if ((0 == aShape.Length()) || aShape.EqualsIgnoreCase("rect")) {
|
|
area = new RectArea(aBaseURL, aHREF, aTarget, aAltText, aSuppress);
|
|
} else if (aShape.EqualsIgnoreCase("poly") ||
|
|
aShape.EqualsIgnoreCase("polygon")) {
|
|
area = new PolyArea(aBaseURL, aHREF, aTarget, aAltText, aSuppress);
|
|
} else if (aShape.EqualsIgnoreCase("circle")) {
|
|
area = new CircleArea(aBaseURL, aHREF, aTarget, aAltText, aSuppress);
|
|
}
|
|
else {
|
|
area = new DefaultArea(aBaseURL, aHREF, aTarget, aAltText, aSuppress);
|
|
}
|
|
area->ParseCoords(aCoords);
|
|
mAreas.AppendElement(area);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP ImageMapImpl::IsInside(nscoord aX, nscoord aY,
|
|
nsIURL* aDocURL,
|
|
nsString& aAbsURL,
|
|
nsString& aTarget,
|
|
nsString& aAltText,
|
|
PRBool* aSuppress)
|
|
{
|
|
PRInt32 i, n = mAreas.Count();
|
|
for (i = 0; i < n; i++) {
|
|
Area* area = (Area*) mAreas.ElementAt(i);
|
|
if (area->IsInside(aX, aY)) {
|
|
NS_MakeAbsoluteURL(aDocURL, area->mBase, area->mHREF, aAbsURL);
|
|
aTarget = area->mTarget;
|
|
aAltText = area->mAltText;
|
|
*aSuppress = area->mSuppressFeedback;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
return NS_NOT_INSIDE;
|
|
}
|
|
|
|
NS_IMETHODIMP ImageMapImpl::IsInside(nscoord aX, nscoord aY)
|
|
{
|
|
PRInt32 i, n = mAreas.Count();
|
|
for (i = 0; i < n; i++) {
|
|
Area* area = (Area*) mAreas.ElementAt(i);
|
|
if (area->IsInside(aX, aY)) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
return NS_NOT_INSIDE;
|
|
}
|
|
|
|
NS_IMETHODIMP ImageMapImpl::Draw(nsIPresContext& aCX, nsIRenderingContext& aRC)
|
|
{
|
|
PRInt32 i, n = mAreas.Count();
|
|
for (i = 0; i < n; i++) {
|
|
Area* area = (Area*) mAreas.ElementAt(i);
|
|
area->Draw(aCX, aRC);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ImageMapImpl::SizeOf(nsISizeOfHandler* aHandler) const
|
|
{
|
|
aHandler->Add(sizeof(*this));
|
|
|
|
aHandler->Add((size_t) (- ((PRInt32) sizeof(mName))));
|
|
mName.SizeOf(aHandler);
|
|
|
|
if (!aHandler->HaveSeen(mTag)) {
|
|
mTag->SizeOf(aHandler);
|
|
}
|
|
|
|
aHandler->Add((size_t) (- ((PRInt32) sizeof(mAreas))));
|
|
mAreas.SizeOf(aHandler);
|
|
|
|
PRInt32 i, n = mAreas.Count();
|
|
for (i = 0; i < n; i++) {
|
|
Area* area = (Area*) mAreas[i];
|
|
area->SizeOf(aHandler);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_HTML nsresult NS_NewImageMap(nsIImageMap** aInstancePtrResult,
|
|
nsIAtom* aTag)
|
|
{
|
|
NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
|
|
if (nsnull == aInstancePtrResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
ImageMapImpl* it = new ImageMapImpl(aTag);
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return it->QueryInterface(kIImageMapIID, (void**) aInstancePtrResult);
|
|
}
|