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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()); | |
29 if (!BeforeRun()) | 28 if (!BeforeRun()) |
30 return; | 29 return; |
31 | 30 |
32 // Use task stopwatch to exclude the loop run time from the current task, if | 31 // Use task stopwatch to exclude the loop run time from the current task, if |
33 // any. | 32 // any. |
34 tracked_objects::TaskStopwatch stopwatch; | 33 tracked_objects::TaskStopwatch stopwatch; |
35 stopwatch.Start(); | 34 stopwatch.Start(); |
36 loop_->RunHandler(); | 35 loop_->RunHandler(); |
37 stopwatch.Stop(); | 36 stopwatch.Stop(); |
38 | 37 |
39 AfterRun(); | 38 AfterRun(); |
40 } | 39 } |
41 | 40 |
42 void RunLoop::RunUntilIdle() { | 41 void RunLoop::RunUntilIdle() { |
43 quit_when_idle_received_ = true; | 42 quit_when_idle_received_ = true; |
44 Run(); | 43 Run(); |
45 } | 44 } |
46 | 45 |
47 void RunLoop::Quit() { | 46 void RunLoop::Quit() { |
48 DCHECK(thread_checker_.CalledOnValidThread()); | |
49 quit_called_ = true; | 47 quit_called_ = true; |
50 if (running_ && loop_->run_loop_ == this) { | 48 if (running_ && loop_->run_loop_ == this) { |
51 // This is the inner-most RunLoop, so quit now. | 49 // This is the inner-most RunLoop, so quit now. |
52 loop_->QuitNow(); | 50 loop_->QuitNow(); |
53 } | 51 } |
54 } | 52 } |
55 | 53 |
56 void RunLoop::QuitWhenIdle() { | 54 void RunLoop::QuitWhenIdle() { |
57 DCHECK(thread_checker_.CalledOnValidThread()); | |
58 quit_when_idle_received_ = true; | 55 quit_when_idle_received_ = true; |
59 } | 56 } |
60 | 57 |
61 base::Closure RunLoop::QuitClosure() { | 58 base::Closure RunLoop::QuitClosure() { |
62 return base::Bind(&RunLoop::Quit, weak_factory_.GetWeakPtr()); | 59 return base::Bind(&RunLoop::Quit, weak_factory_.GetWeakPtr()); |
63 } | 60 } |
64 | 61 |
65 base::Closure RunLoop::QuitWhenIdleClosure() { | 62 base::Closure RunLoop::QuitWhenIdleClosure() { |
66 return base::Bind(&RunLoop::QuitWhenIdle, weak_factory_.GetWeakPtr()); | 63 return base::Bind(&RunLoop::QuitWhenIdle, weak_factory_.GetWeakPtr()); |
67 } | 64 } |
(...skipping 23 matching lines...) Expand all Loading... |
91 | 88 |
92 // Pop RunLoop stack: | 89 // Pop RunLoop stack: |
93 loop_->run_loop_ = previous_run_loop_; | 90 loop_->run_loop_ = previous_run_loop_; |
94 | 91 |
95 // Execute deferred QuitNow, if any: | 92 // Execute deferred QuitNow, if any: |
96 if (previous_run_loop_ && previous_run_loop_->quit_called_) | 93 if (previous_run_loop_ && previous_run_loop_->quit_called_) |
97 loop_->QuitNow(); | 94 loop_->QuitNow(); |
98 } | 95 } |
99 | 96 |
100 } // namespace base | 97 } // namespace base |
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