| // 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_NOTIFICATIONS_BALLOON_NOTIFICATION_UI_MANAGER_H_ |
| #define CHROME_BROWSER_NOTIFICATIONS_BALLOON_NOTIFICATION_UI_MANAGER_H_ |
| |
| #include <deque> |
| #include <string> |
| |
| #include "base/memory/linked_ptr.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/prefs/pref_member.h" |
| #include "chrome/browser/notifications/balloon.h" |
| #include "chrome/browser/notifications/balloon_collection.h" |
| #include "chrome/browser/notifications/fullscreen_notification_blocker.h" |
| #include "chrome/browser/notifications/notification_prefs_manager.h" |
| #include "chrome/browser/notifications/notification_system_observer.h" |
| #include "chrome/browser/notifications/notification_ui_manager.h" |
| #include "chrome/browser/notifications/screen_lock_notification_blocker.h" |
| |
| class Notification; |
| class PrefService; |
| class Profile; |
| class QueuedNotification; |
| |
| // The notification manager manages use of the desktop for notifications. |
| // It maintains a queue of pending notifications when space becomes constrained. |
| class BalloonNotificationUIManager |
| : public NotificationUIManager, |
| public NotificationPrefsManager, |
| public BalloonCollection::BalloonSpaceChangeListener, |
| public message_center::NotificationBlocker::Observer { |
| public: |
| explicit BalloonNotificationUIManager(PrefService* local_state); |
| virtual ~BalloonNotificationUIManager(); |
| |
| // Initializes the UI manager with a balloon collection; this object |
| // takes ownership of the balloon collection. |
| void SetBalloonCollection(BalloonCollection* balloon_collection); |
| |
| // NotificationUIManager overrides: |
| virtual void Add(const Notification& notification, |
| Profile* profile) OVERRIDE; |
| virtual bool Update(const Notification& notification, |
| Profile* profile) OVERRIDE; |
| virtual const Notification* FindById( |
| const std::string& notification_id) const OVERRIDE; |
| virtual bool CancelById(const std::string& notification_id) OVERRIDE; |
| virtual std::set<std::string> GetAllIdsByProfileAndSourceOrigin( |
| Profile* profile, |
| const GURL& source) OVERRIDE; |
| virtual bool CancelAllBySourceOrigin(const GURL& source_origin) OVERRIDE; |
| virtual bool CancelAllByProfile(Profile* profile) OVERRIDE; |
| virtual void CancelAll() OVERRIDE; |
| |
| // NotificationPrefsManager overrides: |
| virtual BalloonCollection::PositionPreference |
| GetPositionPreference() const OVERRIDE; |
| virtual void SetPositionPreference( |
| BalloonCollection::PositionPreference preference) OVERRIDE; |
| |
| BalloonCollection* balloon_collection(); |
| NotificationPrefsManager* prefs_manager(); |
| |
| // Helper used to pull the static instance for testing. |
| // In tests, use this instead of g_browser_process->notification_ui_manager(). |
| static BalloonNotificationUIManager* GetInstanceForTesting(); |
| |
| void GetQueuedNotificationsForTesting( |
| std::vector<const Notification*>* notifications); |
| |
| private: |
| bool ShowNotification(const Notification& notification, Profile* profile); |
| bool UpdateNotification(const Notification& notification, Profile* profile); |
| |
| // Attempts to display notifications from the show_queue. Invoked if they |
| // previously returned 'false' from ShowNotifications, which may happen when |
| // there is no room to show another notification or notifications are blocked. |
| void CheckAndShowNotifications(); |
| |
| void ShowNotifications(); |
| |
| void OnDesktopNotificationPositionChanged(); |
| |
| // BalloonCollectionObserver overrides: |
| virtual void OnBalloonSpaceChanged() OVERRIDE; |
| |
| // NotificationBlocker::Observer overrides: |
| virtual void OnBlockingStateChanged() OVERRIDE; |
| |
| // A queue of notifications which are waiting to be shown. |
| typedef std::deque<linked_ptr<QueuedNotification> > NotificationDeque; |
| NotificationDeque show_queue_; |
| |
| // An owned pointer to the collection of active balloons. |
| scoped_ptr<BalloonCollection> balloon_collection_; |
| |
| ScreenLockNotificationBlocker screen_lock_blocker_; |
| FullscreenNotificationBlocker fullscreen_blocker_; |
| |
| // Prefs listener for the position preference. |
| IntegerPrefMember position_pref_; |
| |
| NotificationSystemObserver system_observer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BalloonNotificationUIManager); |
| }; |
| |
| #endif // CHROME_BROWSER_NOTIFICATIONS_BALLOON_NOTIFICATION_UI_MANAGER_H_ |