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
3 // found in the LICENSE file.
5 #include "base/run_loop.h"
8 #include "base/tracked_objects.h"
11 #include "base/message_loop/message_pump_dispatcher.h"
17 : loop_(MessageLoop::current()),
18 previous_run_loop_(NULL
),
23 quit_when_idle_received_(false),
31 RunLoop::RunLoop(MessagePumpDispatcher
* dispatcher
)
32 : loop_(MessageLoop::current()),
33 previous_run_loop_(NULL
),
34 dispatcher_(dispatcher
),
39 quit_when_idle_received_(false),
51 // Use task stopwatch to exclude the loop run time from the current task, if
53 tracked_objects::TaskStopwatch stopwatch
;
60 void RunLoop::RunUntilIdle() {
61 quit_when_idle_received_
= true;
65 void RunLoop::Quit() {
67 if (running_
&& loop_
->run_loop_
== this) {
68 // This is the inner-most RunLoop, so quit now.
73 base::Closure
RunLoop::QuitClosure() {
74 return base::Bind(&RunLoop::Quit
, weak_factory_
.GetWeakPtr());
77 bool RunLoop::BeforeRun() {
81 // Allow Quit to be called before Run.
85 // Push RunLoop stack:
86 previous_run_loop_
= loop_
->run_loop_
;
87 run_depth_
= previous_run_loop_
? previous_run_loop_
->run_depth_
+ 1 : 1;
88 loop_
->run_loop_
= this;
94 void RunLoop::AfterRun() {
98 loop_
->run_loop_
= previous_run_loop_
;
100 // Execute deferred QuitNow, if any:
101 if (previous_run_loop_
&& previous_run_loop_
->quit_called_
)