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1 // Copyright 2013 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.
4 
5 #include "chrome/browser/sync/test/integration/status_change_checker.h"
6 
7 #include "base/logging.h"
8 #include "base/message_loop/message_loop.h"
9 #include "base/timer/timer.h"
10 
StatusChangeChecker()11 StatusChangeChecker::StatusChangeChecker()
12   : timed_out_(false),
13     wait_started_(false) {}
14 
~StatusChangeChecker()15 StatusChangeChecker::~StatusChangeChecker() {}
16 
TimedOut() const17 bool StatusChangeChecker::TimedOut() const {
18   return timed_out_;
19 }
20 
GetTimeoutDuration()21 base::TimeDelta StatusChangeChecker::GetTimeoutDuration() {
22   return base::TimeDelta::FromSeconds(45);
23 }
24 
StartBlockingWait()25 void StatusChangeChecker::StartBlockingWait() {
26   DCHECK(!wait_started_) << "This class is intended for one use only.";
27   wait_started_ = true;
28 
29   base::OneShotTimer<StatusChangeChecker> timer;
30   timer.Start(FROM_HERE,
31               GetTimeoutDuration(),
32               base::Bind(&StatusChangeChecker::OnTimeout,
33                          base::Unretained(this)));
34 
35   {
36     base::MessageLoop* loop = base::MessageLoop::current();
37     base::MessageLoop::ScopedNestableTaskAllower allow(loop);
38     loop->Run();
39   }
40 }
41 
StopWaiting()42 void StatusChangeChecker::StopWaiting() {
43   base::MessageLoop::current()->QuitWhenIdle();
44 }
45 
CheckExitCondition()46 void StatusChangeChecker::CheckExitCondition() {
47   DVLOG(1) << "Await -> Checking Condition: " << GetDebugMessage();
48   if (IsExitConditionSatisfied()) {
49     DVLOG(1) << "Await -> Condition met: " << GetDebugMessage();
50     StopWaiting();
51   }
52 }
53 
OnTimeout()54 void StatusChangeChecker::OnTimeout() {
55   DVLOG(1) << "Await -> Timed out: " << GetDebugMessage();
56   timed_out_ = true;
57   StopWaiting();
58 }
59