Bug 492876: Text description for an add-on doesn't fully use screen real estate, r=gavin

mobile/chrome/content/bindings/extensions.xml

@@ -110,11 +110,10 @@
           <xul:label class="normal" xbl:inherits="value=version"/>
         </xul:hbox>
         <xul:label class="normal hide-on-select" xbl:inherits="value=description" crop="end" flex="1"/>
-        <xul:hbox class="show-on-select" align="start">
-          <xul:image xbl:inherits="src=thumbnailURL"/>
-          <xul:description class="normal show-on-select" xbl:inherits="xbl:text=description" flex="1"/>
-        </xul:hbox>
+        <xul:description class="normal show-on-select" xbl:inherits="xbl:text=description" flex="1"/>
         <xul:hbox class="show-on-select">
+          <xul:button class="addon-install hide-on-install hide-on-restart" label="&addonShowPage.label;"
+                      oncommand="ExtensionsView.showPage(document.getBindingParent(this));"/>
           <xul:spacer flex="1"/>
           <xul:button class="addon-install hide-on-install hide-on-restart" label="&addonInstall.label;"
                       oncommand="ExtensionsView.installFromRepo(document.getBindingParent(this));"/>

mobile/chrome/content/extensions.js

@@ -458,14 +458,22 @@ var ExtensionsView = {
         continue;
 
       let listitem = this._createItem(addon, "search");
-      listitem.setAttribute("description", addon.description);
-      listitem.setAttribute("thumbnailURL", addon.thumbnailURL);
+      listitem.setAttribute("description", addon.summary);
+      listitem.setAttribute("homepageURL", addon.homepageURL);
       listitem.setAttribute("xpiURL", addon.xpiURL);
       listitem.setAttribute("xpiHash", addon.xpiHash);
       this._list.appendChild(listitem);
     }
   },
 
+  showPage: function ev_showPage(aItem) {
+    let uri = aItem.getAttribute("homepageURL");
+    if (uri) {
+      Browser.addTab(uri, true);
+      BrowserUI.hidePanel();
+    }
+  },
+
   resetSearch: function ev_resetSearch() {
     document.getElementById("addons-repo-mode").value = "recommended";
     this.toggleMode();

mobile/locales/en-US/chrome/browser.dtd

@@ -62,6 +62,7 @@
 <!ENTITY addonInstall.label        "Install">
 <!ENTITY addonUninstall.label      "Uninstall">
 <!ENTITY addonCancel.label         "Cancel">
+<!ENTITY addonShowPage.label       "Go to Page">
 
 <!ENTITY downloadsHeader.label     "Downloads">
 <!ENTITY downloadsSortDate.label   "Date">