| // 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_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_CONTEXT_H_ |
| #define CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_CONTEXT_H_ |
| |
| #include <memory> |
| #include <set> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/common/content_export.h" |
| #include "third_party/WebKit/public/platform/modules/background_sync/background_sync.mojom.h" |
| |
| namespace content { |
| |
| class BackgroundSyncManager; |
| class BackgroundSyncServiceImpl; |
| class ServiceWorkerContextWrapper; |
| |
| // One instance of this exists per StoragePartition, and services multiple child |
| // processes/origins. Most logic is delegated to the owned BackgroundSyncManager |
| // instance, which is only accessed on the IO thread. |
| class CONTENT_EXPORT BackgroundSyncContext |
| : public base::RefCountedThreadSafe<BackgroundSyncContext> { |
| public: |
| BackgroundSyncContext(); |
| |
| // Init and Shutdown are for use on the UI thread when the |
| // StoragePartition is being setup and torn down. |
| void Init(const scoped_refptr<ServiceWorkerContextWrapper>& context); |
| |
| // Shutdown must be called before deleting this. Call on the UI thread. |
| void Shutdown(); |
| |
| // Create a BackgroundSyncServiceImpl that is owned by this. Call on the UI |
| // thread. |
| void CreateService( |
| mojo::InterfaceRequest<blink::mojom::BackgroundSyncService> request); |
| |
| // Called by BackgroundSyncServiceImpl objects so that they can |
| // be deleted. Call on the IO thread. |
| void ServiceHadConnectionError(BackgroundSyncServiceImpl* service); |
| |
| // Call on the IO thread. |
| BackgroundSyncManager* background_sync_manager() const; |
| |
| protected: |
| friend class base::RefCountedThreadSafe<BackgroundSyncContext>; |
| virtual ~BackgroundSyncContext(); |
| |
| void set_background_sync_manager_for_testing( |
| std::unique_ptr<BackgroundSyncManager> manager); |
| |
| private: |
| friend class BackgroundSyncServiceImplTest; |
| |
| virtual void CreateBackgroundSyncManager( |
| scoped_refptr<ServiceWorkerContextWrapper> context); |
| |
| void CreateServiceOnIOThread( |
| mojo::InterfaceRequest<blink::mojom::BackgroundSyncService> request); |
| |
| void ShutdownOnIO(); |
| |
| // Only accessed on the IO thread. |
| std::unique_ptr<BackgroundSyncManager> background_sync_manager_; |
| |
| // The services are owned by this. They're either deleted |
| // during ShutdownOnIO or when the channel is closed via |
| // ServiceHadConnectionError. Only accessed on the IO thread. |
| std::set<BackgroundSyncServiceImpl*> services_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BackgroundSyncContext); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_CONTEXT_H_ |