Move signin status and current user information into AppListModel.

chrome/browser/ui/app_list/app_list_view_delegate.h

 // Copyright (c) 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_APP_LIST_VIEW_DELEGATE_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 #include "ui/app_list/app_list_view_delegate.h"
+#include "ui/app_list/signin_delegate_observer.h"
 
 class AppListControllerDelegate;
 class AppsModelBuilder;
 class Profile;
 
 namespace app_list {
 class SearchController;
 }
 
 namespace base {
 class FilePath;
 }
 
+namespace content {
+class NotificationDetails;
+class NotificationSource;
+}
+
 namespace gfx {
 class ImageSkia;
 }
 
 #if defined(USE_ASH)
 class AppSyncUIStateWatcher;
 #endif
 
-class AppListViewDelegate : public app_list::AppListViewDelegate {
+class AppListViewDelegate : public app_list::AppListViewDelegate,
+                            public app_list::SigninDelegateObserver,
+                            public content::NotificationObserver {
  public:
   // The delegate will take ownership of the controller.
   AppListViewDelegate(AppListControllerDelegate* controller, Profile* profile);
   virtual ~AppListViewDelegate();
 
  private:
+  void OnProfileChanged();
+
   // Overridden from app_list::AppListViewDelegate:
   virtual void SetModel(app_list::AppListModel* model) OVERRIDE;
   virtual app_list::SigninDelegate* GetSigninDelegate() OVERRIDE;
   virtual void GetShortcutPathForApp(
       const std::string& app_id,
       const base::Callback<void(const base::FilePath&)>& callback) OVERRIDE;
   virtual void ActivateAppListItem(app_list::AppListItemModel* item,
                                    int event_flags) OVERRIDE;
   virtual void StartSearch() OVERRIDE;
   virtual void StopSearch() OVERRIDE;
   virtual void OpenSearchResult(app_list::SearchResult* result,
                                 int event_flags) OVERRIDE;
   virtual void InvokeSearchResultAction(app_list::SearchResult* result,
                                         int action_index,
                                         int event_flags) OVERRIDE;
   virtual void Dismiss() OVERRIDE;
   virtual void ViewClosing() OVERRIDE;
   virtual gfx::ImageSkia GetWindowIcon() OVERRIDE;
-  virtual string16 GetCurrentUserName() OVERRIDE;
-  virtual string16 GetCurrentUserEmail() OVERRIDE;
   virtual void OpenSettings() OVERRIDE;
   virtual void OpenHelp() OVERRIDE;
   virtual void OpenFeedback() OVERRIDE;
 
+  // Overridden from app_list::SigninDelegateObserver:
+  virtual void OnSigninSuccess() OVERRIDE;
+
+  // Overridden from content::NotificationObserver:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
   scoped_ptr<app_list::SigninDelegate> signin_delegate_;
   scoped_ptr<AppsModelBuilder> apps_builder_;
   scoped_ptr<app_list::SearchController> search_controller_;
   scoped_ptr<AppListControllerDelegate> controller_;
   Profile* profile_;
+  app_list::AppListModel* model_;  // Weak. Owned by AppListView.
 
+  content::NotificationRegistrar registrar_;
 #if defined(USE_ASH)
   scoped_ptr<AppSyncUIStateWatcher> app_sync_ui_state_watcher_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(AppListViewDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_