fixed app install error display issue (mobile only)

apps/addons/templates/addons/mobile/button.html

@@ -18,7 +18,7 @@
     {% for link in links %}
       {% set extra = "platform " + link.os.shortname if link.os else "" %}
       <!-- install error messages -->
-      <div class="apps-error-msg"></div>
+      <div class="apps-error-msg"><h2></h2><p></p></div>
       {% include 'addons/includes/install_button.html' %}
     {% endfor %}
   </div>

media/js/zamboni/apps.js

@@ -39,7 +39,7 @@ exports.install = function(manifestUrl, opt) {
                     'success': undefined,
                     'error': undefined,
                     'errModalCallback': undefined}, opt || {});
-    var self = this,
+    var self = apps,
         errSummary,
         showError = true;
     /* Try and install the app. */
@@ -84,15 +84,24 @@ exports.install = function(manifestUrl, opt) {
 };
 
 exports._showError = function(errSummary, errMessage, opt) {
-    var $errTarget = $('<a>'),
-        $modal = $('.apps-error-msg:first', opt.domContext).modal(
-                                            $errTarget,
-                                            {width: '400px', close: true,
-                                             callback: opt.errModalCallback});
-    $errTarget.trigger('click');  // show the modal
-    $('.apps-error-msg h2', opt.domContext).text(errSummary);
-    $('.apps-error-msg p', opt.domContext).text(errMessage);
-    $(opt.domContext).trigger('error_shown.apps');
+    var $errTarget = $('<a>');
+    if (opt.mobile) {
+        var $errBox = $('.apps-error-msg h2', opt.domContext);
+        $('.apps-error-msg h2', opt.domContext).text(errSummary);
+        $('.apps-error-msg p', opt.domContext).text(errMessage);
+        $('.apps-error-msg').show();
+    } else {
+        var $modal = $('.apps-error-msg:first', opt.domContext).modal(
+                                                $errTarget,
+                                                {width: '400px', close: true,
+                                                 callback: opt.errModalCallback
+                                             });
+        $errTarget.trigger('click');  // show the modal
+        $('.apps-error-msg h2', opt.domContext).text(errSummary);
+        $('.apps-error-msg p', opt.domContext).text(errMessage);
+        $(opt.domContext).trigger('error_shown.apps');
+    }
+
 };
 
 })(typeof exports === 'undefined' ? (this.apps = {}) : exports);

media/js/zamboni/mobile/buttons.js

@@ -136,7 +136,8 @@
                 if (classes.webapp) {
                     install(attr.manifest_url, {
                         url: href,
-                        el: activeInstaller[0]
+                        el: el,
+                        mobile: true
                     });
                 } else {
                     install(attr.name, href, attr.icon, hash);