/*
 * Copyright (c) 2009 Gregory Stoll
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 * */

var thumbnailcopy = {
  onLoad: function() {
    // initialization code
    this.initialized = true;
    //this.strings = document.getElementById("thumbnailcopy-strings");
    var contextMenu = document.getElementById("contentAreaContextMenu");
    if (contextMenu)
        contextMenu.addEventListener("popupshowing", this.showHideContextStuff, false);

  },
  showHideContextStuff: function(e) {
    var item = document.getElementById("thumbnailcopy-copy");
    var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
                                  .getService(Components.interfaces.nsIPromptService);
    var toShow = false;
    if (document.popupNode.localName.toUpperCase() == "IMG") {
        var parentNode = document.popupNode.parentNode;
        if (parentNode != null && parentNode.localName.toUpperCase() == "A" && (parentNode.hasAttribute("HREF") || parentNode.hasAttribute('href'))) {
            toShow = true;
        }
    }
    item.hidden = !toShow;
    //promptService.alert(window, "", document.popupNode.localName);
  },
  doCopy: function() {
    var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
                                  .getService(Components.interfaces.nsIPromptService);
    // Make sure we have a parent node and all that.
    var canCopy = false;
    if (document.popupNode.localName.toUpperCase() == "IMG") {
        var parentNode = document.popupNode.parentNode;
        if (parentNode != null && parentNode.localName.toUpperCase() == "A" && (parentNode.hasAttribute("HREF") || parentNode.hasAttribute('href'))) {
            canCopy = true;
            var imgHtml = '<img src="' + document.popupNode.src + '"';
            if ((document.popupNode.hasAttribute("WIDTH") || document.popupNode.hasAttribute('width')) && (document.popupNode.hasAttribute("HEIGHT") || document.popupNode.hasAttribute('height'))) {
                imgHtml += ' width="' + document.popupNode.width + '" height="' + document.popupNode.height + '"';
            }
            imgHtml += '>';
            var html = '<a href="' + parentNode.href + '">' + imgHtml + '</a>';

            // Copy the HTML to the clipboard.
            var clipboardService = Components.classes["@mozilla.org/widget/clipboardhelper;1"]
                                             .getService(Components.interfaces.nsIClipboardHelper);
            clipboardService.copyString(html);
        }
    }

  }

};
window.addEventListener("load", function(e) { thumbnailcopy.onLoad(e); }, false);