File:  [mozdev] / chimera / GeckoUtils.h
Revision 1.2: download - view: text, annotated - select for diffs - revision graph
Sat Mar 9 03:34:51 2002 UTC (15 years, 7 months ago) by hyatt
Branches: MAIN
CVS tags: HEAD
Fix chimera build bustage.  You'll need to update to current trunk of mozilla now. Sigh.

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
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 * Version 1.1 (the "License"); you may not use this file except in
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 * 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) 2002
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
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 * either the GNU General Public License Version 2 or later (the "GPL"), or 
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#ifndef __GeckoUtils_h__
#define __GeckoUtils_h__

class GeckoUtils
{
public:
  static void GatherTextUnder(nsIDOMNode* aNode, nsString& aResult) {
    nsAutoString text;
    nsCOMPtr<nsIDOMNode> node;
    aNode->GetFirstChild(getter_AddRefs(node));
    PRUint32 depth = 1;
    while (node && depth) {
      nsCOMPtr<nsIDOMCharacterData> charData(do_QueryInterface(node));
      PRUint16 nodeType;
      node->GetNodeType(&nodeType);
      if (charData && nodeType == nsIDOMNode::TEXT_NODE) {
        // Add this text to our collection.
        text += NS_LITERAL_STRING(" ");
        nsAutoString data;
        charData->GetData(data);
        text += data;
      }
      else {
        nsCOMPtr<nsIDOMHTMLImageElement> img(do_QueryInterface(node));
        if (img) {
          nsAutoString altText;
          img->GetAlt(altText);
          if (!altText.IsEmpty()) {
            text = altText;
            break;
          }
        }
      }
      
      
    }
    
    aResult = text;
  };
};


#endif

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