Redesign the home card bottom state.

athena/home/athena_start_page_view.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ATHENA_HOME_ATHENA_START_PAGE_VIEW_H_
+#define ATHENA_HOME_ATHENA_START_PAGE_VIEW_H_
+
+#include "athena/home/public/home_card.h"
+#include "ui/app_list/views/search_box_view_delegate.h"
+#include "ui/views/view.h"
+
+namespace app_list {
+class AppListViewDelegate;
+}
+
+namespace athena {
+
+// It will replace app_list::StartPageView in Athena UI in the future.
+// Right now it's simply used for VISIBLE_BOTTOM state.
+class AthenaStartPageView : public views::View,
+                            public app_list::SearchBoxViewDelegate {
+ public:
+  explicit AthenaStartPageView(app_list::AppListViewDelegate* delegate);
+  virtual ~AthenaStartPageView();
+
+ private:
+  // views::View:
+  virtual void Layout() OVERRIDE;
+
+  // app_list::SearchBoxViewDelegate:
+  virtual void QueryChanged(app_list::SearchBoxView* sender) OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(AthenaStartPageView);
+};
+
+}  // namespace athena
+
+#endif  // ATHENA_HOME_ATHENA_START_PAGE_VIEW_H_