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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 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 CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_H_ | 5 #ifndef CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_H_ |
6 #define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_H_ | 6 #define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_H_ |
7 | 7 |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "base/sequenced_task_runner.h" | 9 #include "base/sequenced_task_runner.h" |
10 #include "base/single_thread_task_runner.h" | 10 #include "base/single_thread_task_runner.h" |
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31 : public base::TaskRunner { | 31 : public base::TaskRunner { |
32 public: | 32 public: |
33 enum SequenceID { | 33 enum SequenceID { |
34 PRIMARY_SEQUENCE, | 34 PRIMARY_SEQUENCE, |
35 COMMIT_SEQUENCE | 35 COMMIT_SEQUENCE |
36 }; | 36 }; |
37 | 37 |
38 // The PostTask() and PostDelayedTask() methods defined by TaskRunner | 38 // The PostTask() and PostDelayedTask() methods defined by TaskRunner |
39 // post shutdown-blocking tasks on the primary sequence. | 39 // post shutdown-blocking tasks on the primary sequence. |
40 bool PostDelayedTask(const tracked_objects::Location& from_here, | 40 bool PostDelayedTask(const tracked_objects::Location& from_here, |
41 const base::Closure& task, | 41 base::OnceClosure task, |
42 base::TimeDelta delay) override = 0; | 42 base::TimeDelta delay) override = 0; |
43 | 43 |
44 // Posts a shutdown blocking task to |sequence_id|. | 44 // Posts a shutdown blocking task to |sequence_id|. |
45 virtual bool PostShutdownBlockingTask( | 45 virtual bool PostShutdownBlockingTask( |
46 const tracked_objects::Location& from_here, | 46 const tracked_objects::Location& from_here, |
47 SequenceID sequence_id, | 47 SequenceID sequence_id, |
48 const base::Closure& task) = 0; | 48 base::OnceClosure task) = 0; |
49 | 49 |
50 // The TaskRunner override returns true if the current thread is running | 50 // The TaskRunner override returns true if the current thread is running |
51 // on the primary sequence. | 51 // on the primary sequence. |
52 bool RunsTasksOnCurrentThread() const override; | 52 bool RunsTasksOnCurrentThread() const override; |
53 | 53 |
54 // Returns true if the current thread is running on the given |sequence_id|. | 54 // Returns true if the current thread is running on the given |sequence_id|. |
55 virtual bool IsRunningOnSequence(SequenceID sequence_id) const = 0; | 55 virtual bool IsRunningOnSequence(SequenceID sequence_id) const = 0; |
56 bool IsRunningOnPrimarySequence() const { | 56 bool IsRunningOnPrimarySequence() const { |
57 return IsRunningOnSequence(PRIMARY_SEQUENCE); | 57 return IsRunningOnSequence(PRIMARY_SEQUENCE); |
58 } | 58 } |
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73 class CONTENT_EXPORT DOMStorageWorkerPoolTaskRunner : | 73 class CONTENT_EXPORT DOMStorageWorkerPoolTaskRunner : |
74 public DOMStorageTaskRunner { | 74 public DOMStorageTaskRunner { |
75 public: | 75 public: |
76 DOMStorageWorkerPoolTaskRunner( | 76 DOMStorageWorkerPoolTaskRunner( |
77 base::SequencedWorkerPool* sequenced_worker_pool, | 77 base::SequencedWorkerPool* sequenced_worker_pool, |
78 base::SequencedWorkerPool::SequenceToken primary_sequence_token, | 78 base::SequencedWorkerPool::SequenceToken primary_sequence_token, |
79 base::SequencedWorkerPool::SequenceToken commit_sequence_token, | 79 base::SequencedWorkerPool::SequenceToken commit_sequence_token, |
80 base::SingleThreadTaskRunner* delayed_task_task_runner); | 80 base::SingleThreadTaskRunner* delayed_task_task_runner); |
81 | 81 |
82 bool PostDelayedTask(const tracked_objects::Location& from_here, | 82 bool PostDelayedTask(const tracked_objects::Location& from_here, |
83 const base::Closure& task, | 83 base::OnceClosure task, |
84 base::TimeDelta delay) override; | 84 base::TimeDelta delay) override; |
85 | 85 |
86 bool PostShutdownBlockingTask(const tracked_objects::Location& from_here, | 86 bool PostShutdownBlockingTask(const tracked_objects::Location& from_here, |
87 SequenceID sequence_id, | 87 SequenceID sequence_id, |
88 const base::Closure& task) override; | 88 base::OnceClosure task) override; |
89 | 89 |
90 bool IsRunningOnSequence(SequenceID sequence_id) const override; | 90 bool IsRunningOnSequence(SequenceID sequence_id) const override; |
91 | 91 |
92 scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner( | 92 scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner( |
93 SequenceID sequence_id) override; | 93 SequenceID sequence_id) override; |
94 | 94 |
95 protected: | 95 protected: |
96 ~DOMStorageWorkerPoolTaskRunner() override; | 96 ~DOMStorageWorkerPoolTaskRunner() override; |
97 | 97 |
98 private: | 98 private: |
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109 // we don't block in unit tests waiting for timeouts to expire. | 109 // we don't block in unit tests waiting for timeouts to expire. |
110 // There is no distinction between [non]-shutdown-blocking or | 110 // There is no distinction between [non]-shutdown-blocking or |
111 // the primary sequence vs the commit sequence in the mock, | 111 // the primary sequence vs the commit sequence in the mock, |
112 // all tasks are scheduled on |message_loop| with zero delay. | 112 // all tasks are scheduled on |message_loop| with zero delay. |
113 class CONTENT_EXPORT MockDOMStorageTaskRunner : | 113 class CONTENT_EXPORT MockDOMStorageTaskRunner : |
114 public DOMStorageTaskRunner { | 114 public DOMStorageTaskRunner { |
115 public: | 115 public: |
116 explicit MockDOMStorageTaskRunner(base::SingleThreadTaskRunner* task_runner); | 116 explicit MockDOMStorageTaskRunner(base::SingleThreadTaskRunner* task_runner); |
117 | 117 |
118 bool PostDelayedTask(const tracked_objects::Location& from_here, | 118 bool PostDelayedTask(const tracked_objects::Location& from_here, |
119 const base::Closure& task, | 119 base::OnceClosure task, |
120 base::TimeDelta delay) override; | 120 base::TimeDelta delay) override; |
121 | 121 |
122 bool PostShutdownBlockingTask(const tracked_objects::Location& from_here, | 122 bool PostShutdownBlockingTask(const tracked_objects::Location& from_here, |
123 SequenceID sequence_id, | 123 SequenceID sequence_id, |
124 const base::Closure& task) override; | 124 base::OnceClosure task) override; |
125 | 125 |
126 bool IsRunningOnSequence(SequenceID sequence_id) const override; | 126 bool IsRunningOnSequence(SequenceID sequence_id) const override; |
127 | 127 |
128 scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner( | 128 scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner( |
129 SequenceID sequence_id) override; | 129 SequenceID sequence_id) override; |
130 | 130 |
131 protected: | 131 protected: |
132 ~MockDOMStorageTaskRunner() override; | 132 ~MockDOMStorageTaskRunner() override; |
133 | 133 |
134 private: | 134 private: |
135 const scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 135 const scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
136 }; | 136 }; |
137 | 137 |
138 } // namespace content | 138 } // namespace content |
139 | 139 |
140 #endif // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_H_ | 140 #endif // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_H_ |
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