add skeleton implementations of search attribute XBL (doesn't work right now)

mailnews/base/resources/skin/MANIFEST

@@ -25,6 +25,7 @@ folderPane.css
 threadPane.css
 msgHdrViewOverlay.css
 subscribe.css
+mailWidgets.xml
 mailfolder.gif
 open-mailfolder.gif
 message-mail.gif

mailnews/base/resources/skin/Makefile.in

@@ -33,6 +33,7 @@ EXPORT_RESOURCE_SAMPLES = \
 		folderPane.css \
 		threadPane.css \
 		msgHdrViewOverlay.css \
+		mailWidgets.xml \
 		mailfolder.gif \
 		open-mailfolder.gif \
 		message-mail.gif \

mailnews/base/resources/skin/mailWidgets.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0"?>
+
+<bindings id="mailWidgetsBindings"
+   xmlns="http://www.mozilla.org/xbl"
+   xmlns:html="http://www.w3.org/TR/REC-html40"
+   xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  
+  <binding id="searchattribute" >
+    <content>
+      <xul:box>
+        <xul:text style="border: 1px solid blue" value="searchattr!"/>
+        <xul:image inherits="src"/>
+        <xul:text style="border: 1px solid blue" value="searchattr2!"/>
+      </xul:box>
+    </content>
+  </binding>
+
+  <binding id="searchoperator" extends="xul:box">
+    <content>
+      <xul:text value="operator!"/>
+    </content>
+  </binding>
+
+</bindings>

mailnews/base/resources/skin/makefile.win

@@ -106,6 +106,7 @@ install::
 	$(MAKE_INSTALL) server-remote-lock.gif				$(DIST)\bin\chrome\messenger\skin
   $(MAKE_INSTALL) attach.gif		                $(DIST)\bin\chrome\messenger\skin
   $(MAKE_INSTALL) addtoab.gif		                $(DIST)\bin\chrome\messenger\skin
+	$(MAKE_INSTALL) mailWidgets.xml		$(DIST)\bin\chrome\messenger\skin
 
 clobber::
 	rm -f $(DIST)\chrome\messenger\skin\messenger.css

mailnews/base/resources/skin/messenger.css

@@ -301,3 +301,11 @@ treeitem[Enabled="true"] > treerow > treecell.enabledcol > .tree-button {
 treecell.enabledcol > .tree-button {
   list-style-image: url("chrome://messenger/skin/readmail.gif");
 }
+
+searchattribute {
+  behavior: url(chrome://messenger/skin/mailWidgets.xml#searchattribute);
+}
+
+searchoperator {
+  behavior: url(chrome://messenger/skin/mailWidgets.xml#searchoperator);
+}