RetroZilla/xpfe/communicator/resources/content/contentAreaDD.js

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * The Original Code is mozilla.org code.
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 * Contributor(s):
 *   Alec Flett      <alecf@netscape.com>
 *   Ben Goodger     <ben@netscape.com>
 *   Mike Pinkerton  <pinkerton@netscape.com>
 *   Blake Ross      <blakeross@telocity.com>
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/*
 * Note that most of this routine has been moved into C++ in order to
 * be available for all <browser> tags as well as gecko embedding. See
 * mozilla/content/base/src/nsContentAreaDragDrop.cpp.
 *
 * Do not add any new fuctionality here other than what is needed for
 * a standalone product.
 */

var contentAreaDNDObserver = {
  onDrop: function (aEvent, aXferData, aDragSession)
    {
      var url = transferUtils.retrieveURLFromData(aXferData.data, aXferData.flavour.contentType);

      // valid urls don't contain spaces ' '; if we have a space it
      // isn't a valid url, or if it's a javascript: or data: url,
      // bail out
      if (!url || !url.length || url.indexOf(" ", 0) != -1 ||
          /^\s*(javascript|data):/.test(url))
        return;

      switch (document.documentElement.getAttribute('windowtype')) {
        case "navigator:browser":
          // Perform a security check before loading the URI
          nsDragAndDrop.dragDropSecurityCheck(aEvent, aDragSession, url);

          loadURI(getShortcutOrURI(url));
          break;
        case "navigator:view-source":
          viewSource(url);
          break;
      }
      
      // keep the event from being handled by the dragDrop listeners
      // built-in to gecko if they happen to be above us.    
      aEvent.preventDefault();
    },

  getSupportedFlavours: function ()
    {
      var flavourSet = new FlavourSet();
      flavourSet.appendFlavour("text/x-moz-url");
      flavourSet.appendFlavour("text/unicode");
      flavourSet.appendFlavour("application/x-moz-file", "nsIFile");
      return flavourSet;
    }
  
};