| // Copyright 2016 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_PAYMENTS_PAYMENT_APP_CONTEXT_IMPL_H_ |
| #define CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_CONTEXT_IMPL_H_ |
| |
| #include <map> |
| #include <memory> |
| |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/synchronization/atomic_flag.h" |
| #include "content/browser/payments/payment_app_database.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "third_party/blink/public/mojom/payments/payment_app.mojom.h" |
| |
| namespace content { |
| |
| class PaymentAppDatabase; |
| class PaymentManager; |
| class ServiceWorkerContextWrapper; |
| |
| // One instance of this exists per StoragePartition, and services multiple child |
| // processes/origins. Most logic is delegated to the owned PaymentAppDatabase |
| // instance, which is only accessed on the IO thread. |
| // |
| // This class is created/destructed by StoragePartitionImpl on UI thread. |
| // However, the PaymentAppDatabase that this class has internally should work on |
| // IO thread. So, this class has Init() and Shutdown() methods in addition to |
| // constructor and destructor. They should be called explicitly when creating |
| // and destroying StoragePartitionImpl. |
| // |
| // Expected order of lifetime calls: |
| // 1) Constructor |
| // 2) Init() |
| // 3) Can now call other public methods in this class in any order. |
| // - Can call CreatePaymentManager() on UI thread. |
| // - Can call GetAllPaymentApps() on UI thread. |
| // - Can call PaymentManagerHadConnectionError() on IO thread. |
| // - Can call payment_app_database() on IO thread. |
| // 4) Shutdown() |
| // 5) Destructor |
| class CONTENT_EXPORT PaymentAppContextImpl |
| : public base::RefCountedThreadSafe< |
| PaymentAppContextImpl, |
| content::BrowserThread::DeleteOnUIThread> { |
| public: |
| PaymentAppContextImpl(); |
| |
| // Init and Shutdown are for use on the UI thread when the |
| // StoragePartition is being setup and torn down. |
| void Init(scoped_refptr<ServiceWorkerContextWrapper> service_worker_context); |
| |
| // Shutdown must be called before deleting this. Call on the UI thread. |
| void Shutdown(); |
| |
| // Create a PaymentManager that is owned by this. Call on the UI |
| // thread. |
| void CreatePaymentManager(payments::mojom::PaymentManagerRequest request); |
| |
| // Called by PaymentManager objects so that they can |
| // be deleted. Call on the IO thread. |
| void PaymentManagerHadConnectionError(PaymentManager* service); |
| |
| // Should be accessed only on the IO thread. |
| PaymentAppDatabase* payment_app_database() const; |
| |
| private: |
| friend class PaymentAppContentUnitTestBase; |
| friend struct content::BrowserThread::DeleteOnThread< |
| content::BrowserThread::UI>; |
| friend class base::DeleteHelper<PaymentAppContextImpl>; |
| ~PaymentAppContextImpl(); |
| |
| void CreatePaymentAppDatabaseOnIO( |
| scoped_refptr<ServiceWorkerContextWrapper> service_worker_context); |
| |
| void CreatePaymentManagerOnIO( |
| mojo::InterfaceRequest<payments::mojom::PaymentManager> request); |
| |
| void ShutdownOnIO(); |
| |
| // Only accessed on the IO thread. |
| std::unique_ptr<PaymentAppDatabase> payment_app_database_; |
| |
| // The PaymentManagers are owned by this. They're either deleted during |
| // ShutdownOnIO or when the channel is closed via |
| // PaymentManagerHadConnectionError. Only accessed on the IO thread. |
| std::map<PaymentManager*, std::unique_ptr<PaymentManager>> payment_managers_; |
| |
| #if DCHECK_IS_ON() |
| // Set after ShutdownOnIO() has run on the IO thread. |this| shouldn't be |
| // deleted before this is set. |
| base::AtomicFlag did_shutdown_on_io_; |
| #endif |
| |
| DISALLOW_COPY_AND_ASSIGN(PaymentAppContextImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_CONTEXT_IMPL_H_ |