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Side by Side Diff: third_party/WebKit/Source/platform/scheduler/child/webthread_base.cc

Issue 2118903002: scheduler: Move the Blink scheduler into Blink (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebased Created 4 years, 4 months ago
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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
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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