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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "base/run_loop.h" | 5 #include "base/run_loop.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/tracked_objects.h" | 8 #include "base/tracked_objects.h" |
9 #include "build/build_config.h" | 9 #include "build/build_config.h" |
10 | 10 |
11 namespace base { | 11 namespace base { |
12 | 12 |
13 RunLoop::RunLoop() | 13 RunLoop::RunLoop() |
14 : loop_(MessageLoop::current()), | 14 : loop_(MessageLoop::current()), |
15 previous_run_loop_(NULL), | 15 previous_run_loop_(NULL), |
16 run_depth_(0), | 16 run_depth_(0), |
17 run_called_(false), | 17 run_called_(false), |
18 quit_called_(false), | 18 quit_called_(false), |
19 running_(false), | 19 running_(false), |
20 quit_when_idle_received_(false), | 20 quit_when_idle_received_(false), |
21 weak_factory_(this) { | 21 weak_factory_(this) { |
22 } | 22 } |
23 | 23 |
24 RunLoop::~RunLoop() { | 24 RunLoop::~RunLoop() { |
25 } | 25 } |
26 | 26 |
27 void RunLoop::Run() { | 27 void RunLoop::Run() { |
| 28 DCHECK(thread_checker_.CalledOnValidThread()); |
28 if (!BeforeRun()) | 29 if (!BeforeRun()) |
29 return; | 30 return; |
30 | 31 |
31 // Use task stopwatch to exclude the loop run time from the current task, if | 32 // Use task stopwatch to exclude the loop run time from the current task, if |
32 // any. | 33 // any. |
33 tracked_objects::TaskStopwatch stopwatch; | 34 tracked_objects::TaskStopwatch stopwatch; |
34 stopwatch.Start(); | 35 stopwatch.Start(); |
35 loop_->RunHandler(); | 36 loop_->RunHandler(); |
36 stopwatch.Stop(); | 37 stopwatch.Stop(); |
37 | 38 |
38 AfterRun(); | 39 AfterRun(); |
39 } | 40 } |
40 | 41 |
41 void RunLoop::RunUntilIdle() { | 42 void RunLoop::RunUntilIdle() { |
42 quit_when_idle_received_ = true; | 43 quit_when_idle_received_ = true; |
43 Run(); | 44 Run(); |
44 } | 45 } |
45 | 46 |
46 void RunLoop::Quit() { | 47 void RunLoop::Quit() { |
| 48 DCHECK(thread_checker_.CalledOnValidThread()); |
47 quit_called_ = true; | 49 quit_called_ = true; |
48 if (running_ && loop_->run_loop_ == this) { | 50 if (running_ && loop_->run_loop_ == this) { |
49 // This is the inner-most RunLoop, so quit now. | 51 // This is the inner-most RunLoop, so quit now. |
50 loop_->QuitNow(); | 52 loop_->QuitNow(); |
51 } | 53 } |
52 } | 54 } |
53 | 55 |
54 void RunLoop::QuitWhenIdle() { | 56 void RunLoop::QuitWhenIdle() { |
| 57 DCHECK(thread_checker_.CalledOnValidThread()); |
55 quit_when_idle_received_ = true; | 58 quit_when_idle_received_ = true; |
56 } | 59 } |
57 | 60 |
58 base::Closure RunLoop::QuitClosure() { | 61 base::Closure RunLoop::QuitClosure() { |
59 return base::Bind(&RunLoop::Quit, weak_factory_.GetWeakPtr()); | 62 return base::Bind(&RunLoop::Quit, weak_factory_.GetWeakPtr()); |
60 } | 63 } |
61 | 64 |
62 base::Closure RunLoop::QuitWhenIdleClosure() { | 65 base::Closure RunLoop::QuitWhenIdleClosure() { |
63 return base::Bind(&RunLoop::QuitWhenIdle, weak_factory_.GetWeakPtr()); | 66 return base::Bind(&RunLoop::QuitWhenIdle, weak_factory_.GetWeakPtr()); |
64 } | 67 } |
(...skipping 23 matching lines...) Expand all Loading... |
88 | 91 |
89 // Pop RunLoop stack: | 92 // Pop RunLoop stack: |
90 loop_->run_loop_ = previous_run_loop_; | 93 loop_->run_loop_ = previous_run_loop_; |
91 | 94 |
92 // Execute deferred QuitNow, if any: | 95 // Execute deferred QuitNow, if any: |
93 if (previous_run_loop_ && previous_run_loop_->quit_called_) | 96 if (previous_run_loop_ && previous_run_loop_->quit_called_) |
94 loop_->QuitNow(); | 97 loop_->QuitNow(); |
95 } | 98 } |
96 | 99 |
97 } // namespace base | 100 } // namespace base |
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