| // 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_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_ |
| #define CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/scoped_vector.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/prefs/pref_member.h" |
| #include "base/time/time.h" |
| #include "base/timer/timer.h" |
| #include "chrome/browser/notifications/notification.h" |
| #include "chrome/browser/notifications/notification_system_observer.h" |
| #include "chrome/browser/notifications/notification_ui_manager.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "ui/message_center/message_center.h" |
| #include "ui/message_center/message_center_observer.h" |
| #include "ui/message_center/message_center_tray_delegate.h" |
| #include "ui/message_center/message_center_types.h" |
| |
| class MessageCenterSettingsController; |
| class Notification; |
| class PrefService; |
| class Profile; |
| |
| namespace message_center { |
| class NotificationBlocker; |
| } |
| |
| // This class extends NotificationUIManagerImpl and delegates actual display |
| // of notifications to MessageCenter, doing necessary conversions. |
| class MessageCenterNotificationManager |
| : public NotificationUIManager, |
| public message_center::MessageCenterObserver, |
| public content::NotificationObserver { |
| public: |
| MessageCenterNotificationManager( |
| message_center::MessageCenter* message_center, |
| PrefService* local_state, |
| scoped_ptr<message_center::NotifierSettingsProvider> settings_provider); |
| virtual ~MessageCenterNotificationManager(); |
| |
| // NotificationUIManager |
| 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; |
| |
| // MessageCenterObserver |
| virtual void OnNotificationRemoved(const std::string& notification_id, |
| bool by_user) OVERRIDE; |
| virtual void OnCenterVisibilityChanged(message_center::Visibility) OVERRIDE; |
| virtual void OnNotificationUpdated(const std::string& notification_id) |
| OVERRIDE; |
| |
| #if defined(OS_WIN) |
| // Called when the pref changes for the first run balloon. The first run |
| // balloon is only displayed on Windows, since the visibility of the tray |
| // icon is limited. |
| void DisplayFirstRunBalloon(); |
| |
| void SetFirstRunTimeoutForTest(base::TimeDelta timeout); |
| bool FirstRunTimerIsActive() const; |
| #endif |
| |
| // Takes ownership of |delegate|. |
| void SetMessageCenterTrayDelegateForTest( |
| message_center::MessageCenterTrayDelegate* delegate); |
| |
| protected: |
| // content::NotificationObserver override. |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| private: |
| class ImageDownloadsObserver { |
| public: |
| virtual void OnDownloadsCompleted() = 0; |
| }; |
| |
| typedef base::Callback<void(const gfx::Image&)> SetImageCallback; |
| class ImageDownloads |
| : public base::SupportsWeakPtr<ImageDownloads> { |
| public: |
| ImageDownloads( |
| message_center::MessageCenter* message_center, |
| ImageDownloadsObserver* observer); |
| virtual ~ImageDownloads(); |
| |
| void StartDownloads(const Notification& notification); |
| void StartDownloadWithImage(const Notification& notification, |
| const gfx::Image* image, |
| const GURL& url, |
| int size, |
| const SetImageCallback& callback); |
| void StartDownloadByKey(const Notification& notification, |
| const char* key, |
| int size, |
| const SetImageCallback& callback); |
| |
| // FaviconHelper callback. |
| void DownloadComplete(const SetImageCallback& callback, |
| int download_id, |
| int http_status_code, |
| const GURL& image_url, |
| int requested_size, |
| const std::vector<SkBitmap>& bitmaps); |
| private: |
| // Used to keep track of the number of pending downloads. Once this |
| // reaches zero, we can tell the delegate that we don't need the |
| // RenderViewHost anymore. |
| void AddPendingDownload(); |
| void PendingDownloadCompleted(); |
| |
| // Weak reference to global message center. |
| message_center::MessageCenter* message_center_; |
| |
| // Count of downloads that remain. |
| size_t pending_downloads_; |
| |
| // Weak. |
| ImageDownloadsObserver* observer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ImageDownloads); |
| }; |
| |
| // This class keeps a set of original Notification objects and corresponding |
| // Profiles, so when MessageCenter calls back with a notification_id, this |
| // class has necessary mapping to other source info - for example, it calls |
| // NotificationDelegate supplied by client when someone clicks on a |
| // Notification in MessageCenter. Likewise, if a Profile or Extension is |
| // being removed, the map makes it possible to revoke the notifications from |
| // MessageCenter. To keep that set, we use the private ProfileNotification |
| // class that stores a superset of all information about a notification. |
| |
| // TODO(dimich): Consider merging all 4 types (Notification, |
| // QueuedNotification, ProfileNotification and NotificationList::Notification) |
| // into a single class. |
| class ProfileNotification : public ImageDownloadsObserver { |
| public: |
| ProfileNotification(Profile* profile, |
| const Notification& notification, |
| message_center::MessageCenter* message_center); |
| virtual ~ProfileNotification(); |
| |
| void StartDownloads(); |
| |
| // Overridden from ImageDownloadsObserver. |
| virtual void OnDownloadsCompleted() OVERRIDE; |
| |
| Profile* profile() const { return profile_; } |
| const Notification& notification() const { return notification_; } |
| |
| // Returns extension_id if the notification originates from an extension, |
| // empty string otherwise. |
| std::string GetExtensionId(); |
| |
| private: |
| // Weak, guaranteed not to be used after profile removal by parent class. |
| Profile* profile_; |
| Notification notification_; |
| // Track the downloads for this notification so the notification can be |
| // updated properly. |
| scoped_ptr<ImageDownloads> downloads_; |
| }; |
| |
| scoped_ptr<message_center::MessageCenterTrayDelegate> tray_; |
| message_center::MessageCenter* message_center_; // Weak, global. |
| |
| // Use a map by notification_id since this mapping is the most often used. |
| typedef std::map<std::string, ProfileNotification*> NotificationMap; |
| NotificationMap profile_notifications_; |
| |
| // Helpers that add/remove the notification from local map and MessageCenter. |
| // They take ownership of profile_notification object. |
| void AddProfileNotification(ProfileNotification* profile_notification); |
| void RemoveProfileNotification(ProfileNotification* profile_notification); |
| |
| // Returns the ProfileNotification for the |id|, or NULL if no such |
| // notification is found. |
| ProfileNotification* FindProfileNotification(const std::string& id) const; |
| |
| #if defined(OS_WIN) |
| // This function is run on update to ensure that the notification balloon is |
| // shown only when there are no popups present. |
| void CheckFirstRunTimer(); |
| |
| // |first_run_pref_| is used to keep track of whether we've ever shown the |
| // first run balloon before, even across restarts. |
| BooleanPrefMember first_run_pref_; |
| |
| // The timer after which we will show the first run balloon. This timer is |
| // restarted every time the message center is closed and every time the last |
| // popup disappears from the screen. |
| base::OneShotTimer<MessageCenterNotificationManager> first_run_balloon_timer_; |
| |
| // The first-run balloon will be shown |first_run_idle_timeout_| after all |
| // popups go away and the user has notifications in the message center. |
| base::TimeDelta first_run_idle_timeout_; |
| |
| // Provides weak pointers for the purpose of the first run timer. |
| base::WeakPtrFactory<MessageCenterNotificationManager> weak_factory_; |
| #endif |
| |
| scoped_ptr<message_center::NotifierSettingsProvider> settings_provider_; |
| |
| // To own the blockers. |
| ScopedVector<message_center::NotificationBlocker> blockers_; |
| |
| // Registrar for the other kind of notifications (event signaling). |
| content::NotificationRegistrar registrar_; |
| |
| NotificationSystemObserver system_observer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MessageCenterNotificationManager); |
| }; |
| |
| #endif // CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_ |