| // 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 CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_BADGE_CONTROLLER_H_ |
| #define CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_BADGE_CONTROLLER_H_ |
| |
| #include "base/macros.h" |
| #include "chrome/browser/ui/toolbar/wrench_icon_painter.h" |
| #include "content/public/browser/notification_details.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "content/public/browser/notification_service.h" |
| |
| class Profile; |
| |
| // WrenchMenuBadgeController encapsulates the logic for badging the wrench menu |
| // icon as a result of various events - such as available updates, errors, etc. |
| class WrenchMenuBadgeController : public content::NotificationObserver { |
| public: |
| enum BadgeType { |
| BADGE_TYPE_NONE, |
| BADGE_TYPE_UPGRADE_NOTIFICATION, |
| BADGE_TYPE_GLOBAL_ERROR, |
| BADGE_TYPE_INCOMPATIBILITY_WARNING, |
| }; |
| |
| // Delegate interface for receiving badge update notifications. |
| class Delegate { |
| public: |
| // Notifies the UI to update the badge to have the specified |severity|, as |
| // well as specifying whether it should |animate|. The |type| parameter |
| // specifies the type of change (i.e. the source of the notification). |
| virtual void UpdateBadgeSeverity(BadgeType type, |
| WrenchIconPainter::Severity severity, |
| bool animate) = 0; |
| |
| protected: |
| virtual ~Delegate() {} |
| }; |
| |
| // Creates an instance of this class for the given |profile| that will notify |
| // |delegate| of updates. |
| WrenchMenuBadgeController(Profile* profile, Delegate* delegate); |
| ~WrenchMenuBadgeController() override; |
| |
| // Forces an update of the UI based on the current state of the world. This |
| // will check whether there are any current pending updates, global errors, |
| // etc. and based on that information trigger an appropriate call to the |
| // delegate. |
| void UpdateDelegate(); |
| |
| private: |
| // content::NotificationObserver: |
| void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) override; |
| |
| Profile* profile_; |
| Delegate* delegate_; |
| content::NotificationRegistrar registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WrenchMenuBadgeController); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_BADGE_CONTROLLER_H_ |