| // Copyright 2015 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 CONTENT_PUBLIC_BROWSER_BACKGROUND_SYNC_CONTROLLER_H_ |
| #define CONTENT_PUBLIC_BROWSER_BACKGROUND_SYNC_CONTROLLER_H_ |
| |
| #include <stdint.h> |
| |
| #include <set> |
| |
| #include "base/time/time.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/background_sync_registration.h" |
| #include "third_party/blink/public/common/service_worker/service_worker_status_code.h" |
| #include "third_party/blink/public/mojom/background_sync/background_sync.mojom-shared.h" |
| |
| namespace url { |
| class Origin; |
| } // namespace url |
| |
| namespace content { |
| |
| struct BackgroundSyncParameters; |
| |
| // An interface that the Background Sync API uses to access services from the |
| // embedder. Must only be used on the UI thread. |
| class CONTENT_EXPORT BackgroundSyncController { |
| public: |
| class BackgroundSyncEventKeepAlive { |
| public: |
| virtual ~BackgroundSyncEventKeepAlive() = default; |
| |
| protected: |
| BackgroundSyncEventKeepAlive() = default; |
| }; |
| |
| virtual ~BackgroundSyncController() {} |
| |
| // This function allows the controller to alter the parameters used by |
| // background sync. Note that disable can be overridden from false to true |
| // but overrides from true to false will be ignored. |
| virtual void GetParameterOverrides(BackgroundSyncParameters* parameters) {} |
| |
| // Notification that a service worker registration with origin |origin| just |
| // registered a one-shot background sync event. Also includes information |
| // about the registration. |
| virtual void NotifyOneShotBackgroundSyncRegistered(const url::Origin& origin, |
| bool can_fire, |
| bool is_reregistered) {} |
| |
| // Notification that a service worker registration with origin |origin| just |
| // registered a periodic background sync event. Also includes information |
| // about the registration. |
| virtual void NotifyPeriodicBackgroundSyncRegistered(const url::Origin& origin, |
| int min_interval, |
| bool is_reregistered) {} |
| |
| // Notification that a service worker registration with origin |origin| just |
| // completed a one-shot background sync registration. Also include the |
| // |status_code| the registration finished with, the number of attempts, and |
| // the max allowed number of attempts. |
| virtual void NotifyOneShotBackgroundSyncCompleted( |
| const url::Origin& origin, |
| blink::ServiceWorkerStatusCode status_code, |
| int num_attempts, |
| int max_attempts) {} |
| |
| // Notification that a service worker registration with origin |origin| just |
| // completed a periodic background sync registration. Also include the |
| // |status_code| the registration finished with, the number of attempts, and |
| // the max allowed number of attempts. |
| virtual void NotifyPeriodicBackgroundSyncCompleted( |
| const url::Origin& origin, |
| blink::ServiceWorkerStatusCode status_code, |
| int num_attempts, |
| int max_attempts) {} |
| |
| // Schedules a background task with delay |delay| to wake up the browser to |
| // process Background Sync registrations of type |sync_type|. |
| virtual void ScheduleBrowserWakeUpWithDelay( |
| blink::mojom::BackgroundSyncType sync_type, |
| base::TimeDelta delay) {} |
| |
| // Cancel the background task that wakes the browser up to process Background |
| // Sync registrations of type |sync_type|. |
| virtual void CancelBrowserWakeup(blink::mojom::BackgroundSyncType sync_type) { |
| } |
| |
| // Calculates the delay after which the next sync event should be fired |
| // for a BackgroundSync registration. The delay is based on the sync_type of |
| // the |registration|, the |parameters| for the feature, the soonest time |
| // a (periodic)sync event is scheduled to fire for this origin, and other |
| // browser-specific considerations. |
| virtual base::TimeDelta GetNextEventDelay( |
| const BackgroundSyncRegistration& registration, |
| content::BackgroundSyncParameters* parameters, |
| base::TimeDelta time_till_soonest_scheduled_event_for_origin) = 0; |
| |
| // Keeps the browser alive to allow a one-shot Background Sync registration |
| // to finish firing one sync event. |
| virtual std::unique_ptr<BackgroundSyncEventKeepAlive> |
| CreateBackgroundSyncEventKeepAlive() = 0; |
| |
| // Updates its internal list of origins for which we have suspended periodic |
| // Background Sync registrations. This is compiled from each |
| // BackgroundSyncManager when they are initialized. This list used to ignore |
| // changes concerning origins we don't care about. |
| virtual void NoteSuspendedPeriodicSyncOrigins( |
| std::set<url::Origin> suspended_origins) = 0; |
| |
| // Updates its internal list of origins for which we have periodic Background |
| // Sync registrations. This is compiled from each BackgroundSyncManager when |
| // they are initialized and subsequently kept up to date. This list is used to |
| // respond to changes in site settings affecting the feature. |
| virtual void NoteRegisteredPeriodicSyncOrigins( |
| std::set<url::Origin> registered_origins) = 0; |
| |
| // Adds |origin| to its internal list of origins for which we have periodic |
| // Background Sync registrations. This list used to unregister periodic |
| // Background Sync when the controller deems necessary, for instance, upon |
| // revocation of permission. |
| virtual void AddToTrackedOrigins(const url::Origin& origin) = 0; |
| |
| // Removes |origin| from its internal list of origins for which we have |
| // periodic Background Sync registrations. This list used to unregister |
| // periodic Background Sync when the controller deems necessary, for instance, |
| // upon revocation of permission. |
| virtual void RemoveFromTrackedOrigins(const url::Origin& origin) = 0; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_BACKGROUND_SYNC_CONTROLLER_H_ |