Fix 213250: Autoscroll prevents middle clicking on links in XML (XHTML) docs. Patch by Jon Henry.

2004-02-20 02:04:27 +00:00 · 2004-02-20 02:04:27 +00:00 · 240cdc36b1
--- a/toolkit/content/widgets/browser.xml
+++ b/toolkit/content/widgets/browser.xml
@ -538,18 +538,37 @@
         ]]>
       </body>
     </method>
-     <method name="isLink">
+     <method name="isAutoscrollBlocker">
       <parameter name="node"/>
       <body>
         <![CDATA[
           if (!node) return false;
-           var tagName = node.nodeName.toUpperCase();
-           if (tagName == "A" || tagName == "INPUT" || tagName == "TEXTAREA" ||
-               tagName == "AREA") {
-             return true;
+
+           var middleMousePaste;
+
+           try {
+             middleMousePaste = this.mPrefs.getBoolPref("middlemouse.paste");
           }
-           
-           return this.isLink(node.parentNode);
+           catch (ex) {
+             middleMousePaste = false;
+           }
+
+           if (node instanceof HTMLElement) {
+             const xhtml1NS = "http://www.w3.org/1999/xhtml";
+             var tagName = node.nodeName;
+
+             if (node.namespaceURI != xhtml1NS)
+               tagName = tagName.toLowerCase();
+
+             if ((tagName == "a" || tagName == "area") && node.hasAttribute("href"))
+               return true;
+
+             if (middleMousePaste && (tagName == "input" || tagName == "textarea"))
+               return true;
+
+           }
+
+           return this.isAutoscrollBlocker(node.parentNode);
         ]]>
       </body>
     </method>
@ -697,7 +716,7 @@
      </handler>
      <handler event="mousedown">
        <![CDATA[
-          if (!this.autoscrollEnabled || this.isLink(event.originalTarget))
+          if (!this.autoscrollEnabled || this.isAutoscrollBlocker(event.originalTarget))
            return;

          if (!this._isScrolling) {