gecko-dev/xpinstall/res/content/xpistatus.xul

<?xml version="1.0"?> 
<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>

<!DOCTYPE window SYSTEM "chrome://xpinstall/locale/xpistatus.dtd" >


<window xmlns:html="http://www.w3.org/TR/REC-html40"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        onload="onLoad()"
        title="&progress.label;"
		align = "vertical"
		class = "dialog"
		width="350"
		height="300"> 

    <html:script language="javascript" src="xpistatus.js">
    </html:script>
  
        <box align="horizontal">
          <box align="horizontal" flex="100%" >
            <html:div> <html:h3> &progress.label; </html:h3> </html:div>
          </box>
          <spring flex="80%"/>
          <!--box align="vertical"-->
            <!--html:img src="chrome://global/skin/aler-icon.gif"/-->
          <!--/box-->
        </box>

        <html:div style="height:10px; width:100%">
		    <html:hr/>
		</html:div>

        <html:div> <html:h5> &currentlyProcessing.text; </html:h5> </html:div>

        <spring style="height: 1em"/>  

        <box align="vertical">  
		    <html:div id="table-housing" flex="100%">
                <tree id="tree">
		            <treecol style="width:55%"/>
			        <treecol style="width:40%"/>

			        <treehead>
			            <treerow>
			                <treecell value="&moduleName.label;" />
			                <treecell value="&moduleSource.label;"/>
			            </treerow>
			        </treehead>

			        <treechildren id="theTreeBody">
			        </treechildren>
                </tree>
			</html:div>
        </box>

        <spring flex="100%"/>

        <!--Testing
		<html:table flex="100%">
            <html:tr>
                <html:td>
		-->
                    <html:input id="dialog.uiPackageName" readonly="" style="width:100%" />
		<!--Testing
                </html:td>
            </html:tr>
		-->

        <!--
		    <html:tr>
                <html:td>
		-->
                    <html:input id="dialog.currentAction" readonly="" style="width:100%" />
		<!--
                </html:td>
            </html:tr>
		</html:table>
		-->
        
		<spring style="height:1em"/>

        <box align="horizontal">
            <spring style="width:2px"/>

            <box align="vertical">
                <spring style="height:6px"/>
                <progressmeter id="dialog.progress" mode="undetermined" style="width:200px;height:10px">
                </progressmeter>
            </box>

		        <spring flex="80%"/>

            <!--box align="horizontal"-->
                <html:button id="dialog.cancel" onclick="cancel()">&dialogCancel.label;</html:button>
            <!--/box-->
        </box>


</window>