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1 // Copyright 2015 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 "content/browser/service_worker/service_worker_cache_scheduler.h" | |
6 | |
7 #include <string> | |
8 | |
9 #include "base/logging.h" | |
10 | |
11 namespace content { | |
12 | |
13 ServiceWorkerCacheScheduler::ServiceWorkerCacheScheduler() | |
14 : operation_running_(false) { | |
15 } | |
16 | |
17 ServiceWorkerCacheScheduler::~ServiceWorkerCacheScheduler() { | |
18 } | |
19 | |
20 void ServiceWorkerCacheScheduler::ScheduleOperation( | |
21 const base::Closure& closure) { | |
22 pending_operations_.push_back(closure); | |
23 RunOperationIfIdle(); | |
24 } | |
25 | |
26 void ServiceWorkerCacheScheduler::CompleteOperationAndRunNext() { | |
27 DCHECK(operation_running_); | |
28 operation_running_ = false; | |
29 RunOperationIfIdle(); | |
30 } | |
31 | |
32 bool ServiceWorkerCacheScheduler::ScheduledOperations() const { | |
33 return operation_running_ || !pending_operations_.empty(); | |
34 } | |
35 | |
36 void ServiceWorkerCacheScheduler::RunOperationIfIdle() { | |
37 if (!operation_running_ && !pending_operations_.empty()) { | |
38 operation_running_ = true; | |
39 // TODO(jkarlin): Run multiple operations in parallel where allowed. | |
40 base::Closure closure = pending_operations_.front(); | |
41 pending_operations_.pop_front(); | |
42 closure.Run(); | |
43 } | |
44 } | |
45 | |
46 } // namespace content | |
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