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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 // An implementation of WebThread in terms of base::MessageLoop and | 5 // An implementation of WebThread in terms of base::MessageLoop and |
6 // base::Thread | 6 // base::Thread |
7 | 7 |
8 #include "components/scheduler/child/webthread_base.h" | 8 #include "public/platform/scheduler/child/webthread_base.h" |
9 | 9 |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
11 #include "base/bind_helpers.h" | 11 #include "base/bind_helpers.h" |
12 #include "base/memory/ptr_util.h" | 12 #include "base/memory/ptr_util.h" |
13 #include "base/pending_task.h" | 13 #include "base/pending_task.h" |
14 #include "base/threading/platform_thread.h" | 14 #include "base/threading/platform_thread.h" |
15 #include "components/scheduler/child/single_thread_idle_task_runner.h" | 15 #include "public/platform/scheduler/child/single_thread_idle_task_runner.h" |
16 #include "third_party/WebKit/public/platform/WebTraceLocation.h" | 16 #include "public/platform/WebTraceLocation.h" |
17 | 17 |
| 18 namespace blink { |
18 namespace scheduler { | 19 namespace scheduler { |
19 | 20 |
20 class WebThreadBase::TaskObserverAdapter | 21 class WebThreadBase::TaskObserverAdapter |
21 : public base::MessageLoop::TaskObserver { | 22 : public base::MessageLoop::TaskObserver { |
22 public: | 23 public: |
23 explicit TaskObserverAdapter(WebThread::TaskObserver* observer) | 24 explicit TaskObserverAdapter(WebThread::TaskObserver* observer) |
24 : observer_(observer) {} | 25 : observer_(observer) {} |
25 | 26 |
26 void WillProcessTask(const base::PendingTask& pending_task) override { | 27 void WillProcessTask(const base::PendingTask& pending_task) override { |
27 observer_->willProcessTask(); | 28 observer_->willProcessTask(); |
28 } | 29 } |
29 | 30 |
30 void DidProcessTask(const base::PendingTask& pending_task) override { | 31 void DidProcessTask(const base::PendingTask& pending_task) override { |
31 observer_->didProcessTask(); | 32 observer_->didProcessTask(); |
32 } | 33 } |
33 | 34 |
34 private: | 35 private: |
35 WebThread::TaskObserver* observer_; | 36 WebThread::TaskObserver* observer_; |
36 }; | 37 }; |
37 | 38 |
38 WebThreadBase::WebThreadBase() { | 39 WebThreadBase::WebThreadBase() {} |
39 } | |
40 | 40 |
41 WebThreadBase::~WebThreadBase() { | 41 WebThreadBase::~WebThreadBase() { |
42 for (auto& observer_entry : task_observer_map_) { | 42 for (auto& observer_entry : task_observer_map_) { |
43 delete observer_entry.second; | 43 delete observer_entry.second; |
44 } | 44 } |
45 } | 45 } |
46 | 46 |
47 void WebThreadBase::addTaskObserver(TaskObserver* observer) { | 47 void WebThreadBase::addTaskObserver(TaskObserver* observer) { |
48 CHECK(isCurrentThread()); | 48 CHECK(isCurrentThread()); |
49 std::pair<TaskObserverMap::iterator, bool> result = task_observer_map_.insert( | 49 std::pair<TaskObserverMap::iterator, bool> result = |
50 std::make_pair(observer, nullptr)); | 50 task_observer_map_.insert(std::make_pair(observer, nullptr)); |
51 if (result.second) | 51 if (result.second) |
52 result.first->second = new TaskObserverAdapter(observer); | 52 result.first->second = new TaskObserverAdapter(observer); |
53 AddTaskObserverInternal(result.first->second); | 53 AddTaskObserverInternal(result.first->second); |
54 } | 54 } |
55 | 55 |
56 void WebThreadBase::removeTaskObserver(TaskObserver* observer) { | 56 void WebThreadBase::removeTaskObserver(TaskObserver* observer) { |
57 CHECK(isCurrentThread()); | 57 CHECK(isCurrentThread()); |
58 TaskObserverMap::iterator iter = task_observer_map_.find(observer); | 58 TaskObserverMap::iterator iter = task_observer_map_.find(observer); |
59 if (iter == task_observer_map_.end()) | 59 if (iter == task_observer_map_.end()) |
60 return; | 60 return; |
(...skipping 15 matching lines...) Expand all Loading... |
76 // static | 76 // static |
77 void WebThreadBase::RunWebThreadIdleTask( | 77 void WebThreadBase::RunWebThreadIdleTask( |
78 std::unique_ptr<blink::WebThread::IdleTask> idle_task, | 78 std::unique_ptr<blink::WebThread::IdleTask> idle_task, |
79 base::TimeTicks deadline) { | 79 base::TimeTicks deadline) { |
80 idle_task->run((deadline - base::TimeTicks()).InSecondsF()); | 80 idle_task->run((deadline - base::TimeTicks()).InSecondsF()); |
81 } | 81 } |
82 | 82 |
83 void WebThreadBase::postIdleTask(const blink::WebTraceLocation& location, | 83 void WebThreadBase::postIdleTask(const blink::WebTraceLocation& location, |
84 IdleTask* idle_task) { | 84 IdleTask* idle_task) { |
85 GetIdleTaskRunner()->PostIdleTask( | 85 GetIdleTaskRunner()->PostIdleTask( |
86 location, | 86 location, base::Bind(&WebThreadBase::RunWebThreadIdleTask, |
87 base::Bind(&WebThreadBase::RunWebThreadIdleTask, | 87 base::Passed(base::WrapUnique(idle_task)))); |
88 base::Passed(base::WrapUnique(idle_task)))); | |
89 } | 88 } |
90 | 89 |
91 void WebThreadBase::postIdleTaskAfterWakeup( | 90 void WebThreadBase::postIdleTaskAfterWakeup( |
92 const blink::WebTraceLocation& location, | 91 const blink::WebTraceLocation& location, |
93 IdleTask* idle_task) { | 92 IdleTask* idle_task) { |
94 GetIdleTaskRunner()->PostIdleTaskAfterWakeup( | 93 GetIdleTaskRunner()->PostIdleTaskAfterWakeup( |
95 location, | 94 location, base::Bind(&WebThreadBase::RunWebThreadIdleTask, |
96 base::Bind(&WebThreadBase::RunWebThreadIdleTask, | 95 base::Passed(base::WrapUnique(idle_task)))); |
97 base::Passed(base::WrapUnique(idle_task)))); | |
98 } | 96 } |
99 | 97 |
100 bool WebThreadBase::isCurrentThread() const { | 98 bool WebThreadBase::isCurrentThread() const { |
101 return GetTaskRunner()->BelongsToCurrentThread(); | 99 return GetTaskRunner()->BelongsToCurrentThread(); |
102 } | 100 } |
103 | 101 |
104 } // namespace scheduler | 102 } // namespace scheduler |
| 103 } // namespace blink |
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