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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_TASK_RUNNER_MANAG ER_ | |
6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_TASK_RUNNER_MANAG ER_ | |
7 | |
8 #include "base/memory/ref_counted.h" | |
9 #include "content/common/content_export.h" | |
10 | |
11 namespace base { | |
12 class SequencedTaskRunner; | |
13 } | |
14 | |
15 namespace content { | |
16 | |
17 // Used to sequence ServiceWorkerDatabase tasks. Vends two task runners: one | |
18 // that blocks shutdown and one that doesn't. The task runners use the same | |
19 // sequence token, so no matter which runner you post to, the tasks run in the | |
20 // order they are posted. This lets you post sequenced tasks with mixed shutdown | |
21 // behaviors. | |
22 class ServiceWorkerDatabaseTaskManager { | |
23 public: | |
24 virtual ~ServiceWorkerDatabaseTaskManager(){}; | |
25 virtual scoped_ptr<ServiceWorkerDatabaseTaskManager> Clone() = 0; | |
26 virtual base::SequencedTaskRunner* GetTaskRunner() = 0; | |
27 virtual base::SequencedTaskRunner* GetShutdownBlockingTaskRunner() = 0; | |
28 }; | |
29 | |
30 class ServiceWorkerDatabaseTaskManagerImpl | |
31 : public ServiceWorkerDatabaseTaskManager { | |
32 public: | |
33 explicit ServiceWorkerDatabaseTaskManagerImpl( | |
34 base::SequencedWorkerPool* pool); | |
35 virtual ~ServiceWorkerDatabaseTaskManagerImpl(); | |
36 | |
37 protected: | |
38 virtual scoped_ptr<ServiceWorkerDatabaseTaskManager> Clone() override; | |
39 virtual base::SequencedTaskRunner* GetTaskRunner() override; | |
40 virtual base::SequencedTaskRunner* GetShutdownBlockingTaskRunner() override; | |
41 | |
42 private: | |
43 scoped_refptr<base::SequencedWorkerPool> pool_; | |
michaeln
2014/10/16 01:15:04
May not need the pool_ data member, the Clone meth
falken
2014/10/16 02:04:51
Good point also, done.
| |
44 scoped_refptr<base::SequencedTaskRunner> task_runner_; | |
45 scoped_refptr<base::SequencedTaskRunner> shutdown_blocking_task_runner_; | |
46 | |
47 DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDatabaseTaskManagerImpl); | |
48 }; | |
49 | |
50 // Dummy implementation for testing. It vends whatever you give it in the ctor. | |
51 class CONTENT_EXPORT MockServiceWorkerDatabaseTaskManager | |
52 : public ServiceWorkerDatabaseTaskManager { | |
53 public: | |
54 explicit MockServiceWorkerDatabaseTaskManager( | |
55 const scoped_refptr<base::SequencedTaskRunner>& task_runner); | |
56 virtual ~MockServiceWorkerDatabaseTaskManager(); | |
57 | |
58 protected: | |
59 virtual scoped_ptr<ServiceWorkerDatabaseTaskManager> Clone() override; | |
60 virtual base::SequencedTaskRunner* GetTaskRunner() override; | |
61 virtual base::SequencedTaskRunner* GetShutdownBlockingTaskRunner() override; | |
62 | |
63 private: | |
64 scoped_refptr<base::SequencedTaskRunner> task_runner_; | |
65 | |
66 DISALLOW_COPY_AND_ASSIGN(MockServiceWorkerDatabaseTaskManager); | |
67 }; | |
68 | |
69 } // namespace content | |
70 | |
71 #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_TASK_RUNNER_MA NAGER_ | |
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