arc-app-launcher: Minimal support for ARC app launcher.

chrome/browser/ui/app_list/extension_app_model_builder.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2012 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_EXTENSION_APP_MODEL_BUILDER_H_
 #define CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_MODEL_BUILDER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/prefs/pref_change_registrar.h"
-#include "base/scoped_observer.h"
 #include "chrome/browser/extensions/install_observer.h"
+#include "chrome/browser/ui/app_list/app_list_model_builder.h"
 #include "extensions/browser/extension_registry_observer.h"
-#include "ui/app_list/app_list_model.h"
 #include "ui/base/models/list_model_observer.h"
 
 class AppListControllerDelegate;
 class ExtensionAppItem;
-class Profile;
-
-namespace app_list {
-class AppListSyncableService;
-}
 
 namespace extensions {
 class Extension;
 class ExtensionRegistry;
 class ExtensionSet;
 class InstallTracker;
 }
 
 namespace gfx {
 class ImageSkia;
 }
 
-// This class populates and maintains the given |model| with information from
-// |profile|.
-class ExtensionAppModelBuilder : public extensions::InstallObserver,
-                                 public extensions::ExtensionRegistryObserver,
-                                 public app_list::AppListItemListObserver {
+// This class populates and maintains the given |model| for extension items
+// with information from |profile|.
+class ExtensionAppModelBuilder : public AppListModelBuilder,
+                                 public extensions::InstallObserver,
+                                 public extensions::ExtensionRegistryObserver {
  public:
   explicit ExtensionAppModelBuilder(AppListControllerDelegate* controller);
   ~ExtensionAppModelBuilder() override;
 
-  // Initialize to use app-list sync and sets |service_| to |service|.
-  void InitializeWithService(app_list::AppListSyncableService* service,
-                             app_list::AppListModel* model);
-
-  // Initialize to use extension sync and sets |service_| to NULL. Used in
-  // tests and when AppList sync is not enabled.
-  void InitializeWithProfile(Profile* profile, app_list::AppListModel* model);
-
  private:
   typedef std::vector<ExtensionAppItem*> ExtensionAppList;
 
-  // Builds the model with the current profile.
-  void BuildModel();
+  // AppListModelBuilder
+  void BuildModel() override;
 
   // extensions::InstallObserver.
   void OnBeginExtensionInstall(const ExtensionInstallParams& params) override;
   void OnDownloadProgress(const std::string& extension_id,
                           int percent_downloaded) override;
   void OnInstallFailure(const std::string& extension_id) override;
   void OnDisabledExtensionUpdated(
       const extensions::Extension* extension) override;
   void OnShutdown() override;
 
@@ skipping 16 matching lines @@
 
   scoped_ptr<ExtensionAppItem> CreateAppItem(
       const std::string& extension_id,
       const std::string& extension_name,
       const gfx::ImageSkia& installing_icon,
       bool is_platform_app);
 
   // Populates the model with apps.
   void PopulateApps();
 
-  // Inserts an app based on app ordinal prefs.
-  void InsertApp(scoped_ptr<ExtensionAppItem> app);
-
   // Returns app instance matching |extension_id| or NULL.
   ExtensionAppItem* GetExtensionAppItem(const std::string& extension_id);
 
   // Initializes the |profile_pref_change_registrar_| and the
   // |extension_pref_change_registrar_| to listen for changes to profile and
   // extension prefs, and call OnProfilePreferenceChanged() or
   // OnExtensionPreferenceChanged().
   void InitializePrefChangeRegistrars();
 
   // Handles profile prefs changes.
   void OnProfilePreferenceChanged();
 
   // Handles extension prefs changes.
   void OnExtensionPreferenceChanged();
 
-  // Unowned pointers to the service that owns this and associated profile.
-  app_list::AppListSyncableService* service_;
-  Profile* profile_;
-
   // Registrar used to monitor the profile prefs.
   PrefChangeRegistrar profile_pref_change_registrar_;
 
   // Registrar used to monitor the extension prefs.
   PrefChangeRegistrar extension_pref_change_registrar_;
 
-  // Unowned pointer to the app list controller.
-  AppListControllerDelegate* controller_;
-
-  // Unowned pointer to the app list model.
-  app_list::AppListModel* model_;
-
   // We listen to this to show app installing progress.
-  extensions::InstallTracker* tracker_;
+  extensions::InstallTracker* tracker_ = nullptr;
 
   // Listen extension's load, unload, uninstalled.
-  extensions::ExtensionRegistry* extension_registry_;
+  extensions::ExtensionRegistry* extension_registry_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionAppModelBuilder);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_MODEL_BUILDER_H_