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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 CHROME_BROWSER_PROFILES_STARTUP_TASK_RUNNER_SERVICE_H_ | 5 #ifndef CHROME_BROWSER_PROFILES_STARTUP_TASK_RUNNER_SERVICE_H_ |
| 6 #define CHROME_BROWSER_PROFILES_STARTUP_TASK_RUNNER_SERVICE_H_ | 6 #define CHROME_BROWSER_PROFILES_STARTUP_TASK_RUNNER_SERVICE_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "base/threading/non_thread_safe.h" | 10 #include "base/threading/non_thread_safe.h" |
| 11 #include "components/browser_context_keyed_service/browser_context_keyed_service
.h" | 11 #include "components/browser_context_keyed_service/browser_context_keyed_service
.h" |
| 12 | 12 |
| 13 class Profile; | 13 class Profile; |
| 14 | 14 |
| 15 namespace base { | 15 namespace base { |
| 16 class DeferredSequencedTaskRunner; | 16 class DeferredSequencedTaskRunner; |
| 17 } // namespace base | 17 } // namespace base |
| 18 | 18 |
| 19 // This service manages the startup task runners. | 19 // This service manages the startup task runners. |
| 20 class StartupTaskRunnerService : public base::NonThreadSafe, | 20 class StartupTaskRunnerService : public base::NonThreadSafe, |
| 21 public ProfileKeyedService { | 21 public BrowserContextKeyedService { |
| 22 public: | 22 public: |
| 23 explicit StartupTaskRunnerService(Profile* profile); | 23 explicit StartupTaskRunnerService(Profile* profile); |
| 24 virtual ~StartupTaskRunnerService(); | 24 virtual ~StartupTaskRunnerService(); |
| 25 | 25 |
| 26 // Returns sequenced task runner where all bookmarks I/O operations are | 26 // Returns sequenced task runner where all bookmarks I/O operations are |
| 27 // performed. | 27 // performed. |
| 28 // This method should only be called from the UI thread. | 28 // This method should only be called from the UI thread. |
| 29 // Note: Using a separate task runner per profile service gives a better | 29 // Note: Using a separate task runner per profile service gives a better |
| 30 // management of the sequence in which the task are started in order to avoid | 30 // management of the sequence in which the task are started in order to avoid |
| 31 // congestion during start-up (e.g the caller may decide to start loading the | 31 // congestion during start-up (e.g the caller may decide to start loading the |
| 32 // bookmarks only after the history finished). | 32 // bookmarks only after the history finished). |
| 33 scoped_refptr<base::DeferredSequencedTaskRunner> GetBookmarkTaskRunner(); | 33 scoped_refptr<base::DeferredSequencedTaskRunner> GetBookmarkTaskRunner(); |
| 34 | 34 |
| 35 // Starts the task runners that are deferred during start-up. | 35 // Starts the task runners that are deferred during start-up. |
| 36 void StartDeferredTaskRunners(); | 36 void StartDeferredTaskRunners(); |
| 37 | 37 |
| 38 private: | 38 private: |
| 39 Profile* profile_; | 39 Profile* profile_; |
| 40 scoped_refptr<base::DeferredSequencedTaskRunner> bookmark_task_runner_; | 40 scoped_refptr<base::DeferredSequencedTaskRunner> bookmark_task_runner_; |
| 41 | 41 |
| 42 DISALLOW_COPY_AND_ASSIGN(StartupTaskRunnerService); | 42 DISALLOW_COPY_AND_ASSIGN(StartupTaskRunnerService); |
| 43 }; | 43 }; |
| 44 | 44 |
| 45 #endif // CHROME_BROWSER_PROFILES_STARTUP_TASK_RUNNER_SERVICE_H_ | 45 #endif // CHROME_BROWSER_PROFILES_STARTUP_TASK_RUNNER_SERVICE_H_ |
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