Implement app list folder management page UI.

ui/app_list/views/app_list_folder_view.h

+// Copyright 2013 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 UI_APP_LIST_VIEWS_APP_LIST_FOLDER_VIEW_H_
+#define UI_APP_LIST_VIEWS_APP_LIST_FOLDER_VIEW_H_
+
+#include "ui/app_list/views/folder_header_view.h"
+#include "ui/app_list/views/folder_header_view_delegate.h"
+#include "ui/views/controls/button/button.h"
+#include "ui/views/view.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace views {
+class ViewModel;
+}
+
+namespace app_list {
+
+class AppsContainerView;
+class AppsGridView;
+class AppListFolderItem;
+class AppListMainView;
+class AppListModel;
+class FolderHeaderView;
+class PaginationModel;
+
+class AppListFolderView : public views::View,
+                          public FolderHeaderViewDelegate {
+ public:
+  AppListFolderView(AppsContainerView* container_view,
+                    AppListModel* model,
+                    AppListMainView* app_list_main_view,
+                    content::WebContents* start_page_contents);
+  virtual ~AppListFolderView();
+
+  void SetAppListFolderItem(AppListFolderItem* folder);
+
+  // Overridden from views::View:
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual void Layout() OVERRIDE;
+
+ private:
+  void CalculateIdealBounds();
+
+  // Overridden from FolderHeaderViewDelegate:
+  virtual void NavigateBack(AppListFolderItem* item,
+                            const ui::Event& event_flags) OVERRIDE;
+
+  AppsContainerView* container_view_;  // Not owned.
+  FolderHeaderView* folder_header_view_;  // Owned by views hierarchy.
+  AppsGridView* items_grid_view_;  // Owned by the views hierarchy.
+
+  scoped_ptr<views::ViewModel> view_model_;
+
+  AppListFolderItem* folder_item_;  // Not owned.
+
+  scoped_ptr<PaginationModel> pagination_model_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppListFolderView);
+};
+
+}  // namespace app_list
+
+#endif  // UI_APP_LIST_VIEWS_APP_LIST_FOLDER_VIEW_H_
+
+