Implement base class for app_list items.

chrome/browser/ui/app_list/chrome_app_list_item.h

+// Copyright 2015 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 CHROME_BROWSER_UI_APP_LIST_CHROME_APP_LIST_ITEM_H_
+#define CHROME_BROWSER_UI_APP_LIST_CHROME_APP_LIST_ITEM_H_
+
+#include <string>
+
+#include "chrome/browser/ui/app_list/app_list_syncable_service.h"
+#include "ui/app_list/app_list_item.h"
+
+class AppListControllerDelegate;
+class Profile;
+
+namespace extensions {
+class AppSorting;
+}  // namespace extensions
+
+namespace gfx {
+class ImageSkia;
+} // namespace gfx
+
+// Base class of all chrome app list items.
+class ChromeAppListItem : public app_list::AppListItem {
+ protected:
+  ChromeAppListItem(Profile* profile, const std::string& app_id);
+  ~ChromeAppListItem() override;
+
+  Profile* profile() const { return profile_; }
+
+  extensions::AppSorting* GetAppSorting();
+
+  AppListControllerDelegate* GetController();
+
+  // Updates item position and name from |sync_item|. |sync_item| can be nullptr
+  // or not valid. In last case position is updated from ordering.
+  void UpdateFromSync(
+      const app_list::AppListSyncableService::SyncItem* sync_item);
+
+  void UpdatePositionFromOrdering();
+
+  static gfx::ImageSkia CreateDisabledIcon(const gfx::ImageSkia& icon);
+
+ private:
+  Profile* profile_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeAppListItem);
+};
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_CHROME_APP_LIST_ITEM_H_