Index: content/browser/service_worker/service_worker_database_task_manager.h |
diff --git a/content/browser/service_worker/service_worker_database_task_manager.h b/content/browser/service_worker/service_worker_database_task_manager.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..84b1bc45be3e6bb45e25f1ade1afd57cd0a06fe3 |
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+++ b/content/browser/service_worker/service_worker_database_task_manager.h |
@@ -0,0 +1,71 @@ |
+// Copyright 2014 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_SERVICE_WORKER_SERVICE_WORKER_DATABASE_TASK_RUNNER_MANAGER_ |
+#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_TASK_RUNNER_MANAGER_ |
+ |
+#include "base/memory/ref_counted.h" |
+#include "content/common/content_export.h" |
+ |
+namespace base { |
+class SequencedTaskRunner; |
+} |
+ |
+namespace content { |
+ |
+// Used to sequence ServiceWorkerDatabase tasks. Vends two task runners: one |
+// that blocks shutdown and one that doesn't. The task runners use the same |
+// sequence token, so no matter which runner you post to, the tasks run in the |
+// order they are posted. This lets you post sequenced tasks with mixed shutdown |
+// behaviors. |
+class ServiceWorkerDatabaseTaskManager { |
+ public: |
+ virtual ~ServiceWorkerDatabaseTaskManager(){}; |
+ virtual scoped_ptr<ServiceWorkerDatabaseTaskManager> Clone() = 0; |
+ virtual base::SequencedTaskRunner* GetTaskRunner() = 0; |
+ virtual base::SequencedTaskRunner* GetShutdownBlockingTaskRunner() = 0; |
+}; |
+ |
+class ServiceWorkerDatabaseTaskManagerImpl |
+ : public ServiceWorkerDatabaseTaskManager { |
+ public: |
+ explicit ServiceWorkerDatabaseTaskManagerImpl( |
+ base::SequencedWorkerPool* pool); |
+ virtual ~ServiceWorkerDatabaseTaskManagerImpl(); |
+ |
+ protected: |
+ virtual scoped_ptr<ServiceWorkerDatabaseTaskManager> Clone() override; |
+ virtual base::SequencedTaskRunner* GetTaskRunner() override; |
+ virtual base::SequencedTaskRunner* GetShutdownBlockingTaskRunner() override; |
+ |
+ private: |
+ 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.
|
+ scoped_refptr<base::SequencedTaskRunner> task_runner_; |
+ scoped_refptr<base::SequencedTaskRunner> shutdown_blocking_task_runner_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDatabaseTaskManagerImpl); |
+}; |
+ |
+// Dummy implementation for testing. It vends whatever you give it in the ctor. |
+class CONTENT_EXPORT MockServiceWorkerDatabaseTaskManager |
+ : public ServiceWorkerDatabaseTaskManager { |
+ public: |
+ explicit MockServiceWorkerDatabaseTaskManager( |
+ const scoped_refptr<base::SequencedTaskRunner>& task_runner); |
+ virtual ~MockServiceWorkerDatabaseTaskManager(); |
+ |
+ protected: |
+ virtual scoped_ptr<ServiceWorkerDatabaseTaskManager> Clone() override; |
+ virtual base::SequencedTaskRunner* GetTaskRunner() override; |
+ virtual base::SequencedTaskRunner* GetShutdownBlockingTaskRunner() override; |
+ |
+ private: |
+ scoped_refptr<base::SequencedTaskRunner> task_runner_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(MockServiceWorkerDatabaseTaskManager); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_TASK_RUNNER_MANAGER_ |