Add layout roles and CSS rules for devices for Conpherence

Summary: Currently, `/conpherence/` shows the widget panel on devices. Make it show the thread list instead.

Test Plan: {F38099}

Reviewers: btrahan

Reviewed By: btrahan

CC: aran, chad

Maniphest Tasks: T2421

Differential Revision: https://secure.phabricator.com/D5505

src/applications/conpherence/controller/ConpherenceListController.php

@@ -54,16 +54,17 @@ final class ConpherenceListController
       ->setUnreadThreads($unread)
       ->setReadThreads($read);
 
-    $main_pane = id(new ConpherenceLayoutView())
+    $layout = id(new ConpherenceLayoutView())
       ->setBaseURI($this->getApplicationURI())
-      ->setThreadView($thread_view);
+      ->setThreadView($thread_view)
+      ->setRole('list');
 
     if ($conpherence) {
-      $main_pane->setThread($conpherence);
+      $layout->setThread($conpherence);
     }
 
     return $this->buildApplicationPage(
-      $main_pane,
+      $layout,
       array(
         'title' => $title,
         'device' => true,

src/applications/conpherence/view/ConpherenceLayoutView.php

@@ -5,6 +5,12 @@ final class ConpherenceLayoutView extends AphrontView {
   private $thread;
   private $baseURI;
   private $threadView;
+  private $role;
+
+  public function setRole($role) {
+    $this->role = $role;
+    return $this;
+  }
 
   public function getThreadView() {
     return $this->threadView;
@@ -37,6 +43,7 @@ final class ConpherenceLayoutView extends AphrontView {
         'form_pane' => 'conpherence-form',
         'menu_pane' => 'conpherence-menu',
         'selectedID' => ($this->thread ? $this->thread->getID() : null),
+        'role' => $this->role,
       ));
 
     Javelin::initBehavior('conpherence-drag-and-drop-photo',
@@ -51,7 +58,7 @@ final class ConpherenceLayoutView extends AphrontView {
       'div',
       array(
         'sigil' => 'conpherence-layout',
-        'class' => 'conpherence-layout',
+        'class' => 'conpherence-layout conpherence-role-'.$this->role,
       ),
       array(
         javelin_tag(