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Side by Side Diff: content/browser/payments/payment_app_context_impl.h

Issue 2572183002: PaymentApp: Introduce PaymentAppDatabase class. (Closed)
Patch Set: rebase Created 4 years ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_CONTEXT_IMPL_H_ 5 #ifndef CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_CONTEXT_IMPL_H_
6 #define CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_CONTEXT_IMPL_H_ 6 #define CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_CONTEXT_IMPL_H_
7 7
8 #include <map> 8 #include <map>
9 #include <memory> 9 #include <memory>
10 10
11 #include "base/macros.h" 11 #include "base/macros.h"
12 #include "base/memory/ref_counted.h" 12 #include "base/memory/ref_counted.h"
13 #include "components/payments/payment_app.mojom.h" 13 #include "components/payments/payment_app.mojom.h"
14 #include "content/common/content_export.h" 14 #include "content/common/content_export.h"
15 #include "content/public/browser/payment_app_context.h" 15 #include "content/public/browser/payment_app_context.h"
16 16
17 namespace content { 17 namespace content {
18 18
19 class PaymentAppDatabase;
19 class PaymentAppManager; 20 class PaymentAppManager;
20 class ServiceWorkerContextWrapper; 21 class ServiceWorkerContextWrapper;
21 22
23 // One instance of this exists per StoragePartition, and services multiple child
24 // processes/origins. Most logic is delegated to the owned PaymentAppDatabase
25 // instance, which is only accessed on the IO thread.
26 //
27 // This class is created/destructed by StoragePartitionImpl on UI thread.
28 // However, the PaymentAppDatabase that this class has internally should work on
29 // IO thread. So, this class has Init() and Shutdown() methods in addition to
30 // constructor and destructor. They should be called explicitly when creating
31 // and destroying StoragePartitionImpl.
32 //
33 // Expected order of lifetime calls:
34 // 1) Constructor
35 // 2) Init()
36 // 3) Can now call other public methods in this class in any order.
37 // - Can call CreatePaymentAppManager() on UI thread.
38 // - Can call GetAllManifests() on UI thread.
39 // - Can call PaymentAppManagerHadConnectionError() on IO thread.
40 // - Can call payment_app_database() on IO thread.
41 // 4) Shutdown()
42 // 5) Destructor
22 class CONTENT_EXPORT PaymentAppContextImpl 43 class CONTENT_EXPORT PaymentAppContextImpl
23 : public base::RefCountedThreadSafe<PaymentAppContextImpl>, 44 : public base::RefCountedThreadSafe<PaymentAppContextImpl>,
24 NON_EXPORTED_BASE(public PaymentAppContext) { 45 NON_EXPORTED_BASE(public PaymentAppContext) {
25 public: 46 public:
26 explicit PaymentAppContextImpl( 47 PaymentAppContextImpl();
27 scoped_refptr<ServiceWorkerContextWrapper> service_worker_context); 48
49 // Init and Shutdown are for use on the UI thread when the
50 // StoragePartition is being setup and torn down.
51 void Init(scoped_refptr<ServiceWorkerContextWrapper> service_worker_context);
28 52
29 // Shutdown must be called before deleting this. Call on the UI thread. 53 // Shutdown must be called before deleting this. Call on the UI thread.
30 void Shutdown(); 54 void Shutdown();
31 55
32 // Create a PaymentAppManager that is owned by this. Call on the UI 56 // Create a PaymentAppManager that is owned by this. Call on the UI
33 // thread. 57 // thread.
34 void CreateService( 58 void CreatePaymentAppManager(
35 mojo::InterfaceRequest<payments::mojom::PaymentAppManager> request); 59 mojo::InterfaceRequest<payments::mojom::PaymentAppManager> request);
36 60
37 // Called by PaymentAppManager objects so that they can 61 // Called by PaymentAppManager objects so that they can
38 // be deleted. Call on the IO thread. 62 // be deleted. Call on the IO thread.
39 void ServiceHadConnectionError(PaymentAppManager* service); 63 void PaymentAppManagerHadConnectionError(PaymentAppManager* service);
40 64
41 ServiceWorkerContextWrapper* service_worker_context() const; 65 // Should be accessed only on the IO thread.
66 PaymentAppDatabase* payment_app_database() const;
42 67
43 // PaymentAppContext implementation: 68 // PaymentAppContext implementation:
44 void GetAllManifests(const GetAllManifestsCallback& callback) override; 69 void GetAllManifests(const GetAllManifestsCallback& callback) override;
45 70
46 protected: 71 protected:
47 friend class PaymentAppManagerTest; 72 friend class PaymentAppManagerTest;
48 73
49 private: 74 private:
50 friend class base::RefCountedThreadSafe<PaymentAppContextImpl>; 75 friend class base::RefCountedThreadSafe<PaymentAppContextImpl>;
51 ~PaymentAppContextImpl() override; 76 ~PaymentAppContextImpl() override;
52 77
53 void CreateServiceOnIOThread( 78 void CreatePaymentAppDatabaseOnIO(
79 scoped_refptr<ServiceWorkerContextWrapper> service_worker_context);
80
81 void CreatePaymentAppManagerOnIO(
54 mojo::InterfaceRequest<payments::mojom::PaymentAppManager> request); 82 mojo::InterfaceRequest<payments::mojom::PaymentAppManager> request);
55 83
56 void ShutdownOnIO(); 84 void ShutdownOnIO();
85 void DidShutdown();
57 86
58 scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_; 87 // Only accessed on the IO thread.
88 std::unique_ptr<PaymentAppDatabase> payment_app_database_;
59 89
60 // The services are owned by this. They're either deleted 90 // The PaymentAppManagers are owned by this. They're either deleted during
61 // during ShutdownOnIO or when the channel is closed via 91 // ShutdownOnIO or when the channel is closed via
62 // ServiceHadConnectionError. Only accessed on the IO thread. 92 // PaymentAppManagerHadConnectionError. Only accessed on the IO thread.
63 std::map<PaymentAppManager*, std::unique_ptr<PaymentAppManager>> services_; 93 std::map<PaymentAppManager*, std::unique_ptr<PaymentAppManager>>
94 payment_app_managers_;
95
96 // Only accessed on the UI thread.
97 bool is_shutdown_;
64 98
65 DISALLOW_COPY_AND_ASSIGN(PaymentAppContextImpl); 99 DISALLOW_COPY_AND_ASSIGN(PaymentAppContextImpl);
66 }; 100 };
67 101
68 } // namespace content 102 } // namespace content
69 103
70 #endif // CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_CONTEXT_IMPL_H_ 104 #endif // CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_CONTEXT_IMPL_H_
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