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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/ui/app_list/search/webstore_cache.h" | |
6 | |
7 #include "base/values.h" | |
8 | |
9 namespace app_list { | |
10 namespace { | |
11 | |
12 const int kWebstoreCacheMaxSize = 100; | |
13 const int kWebstoreCacheTimeLimitInMinutes = 1; | |
14 | |
15 } // namespace | |
16 | |
17 void WebstoreCache::CacheDeletor::operator()(WebstoreCache::Payload& payload) { | |
18 delete payload.second; | |
19 } | |
20 | |
21 WebstoreCache::WebstoreCache() | |
22 : cache_(kWebstoreCacheMaxSize) { | |
23 } | |
24 | |
25 WebstoreCache::~WebstoreCache() { | |
26 } | |
27 | |
28 const base::DictionaryValue* WebstoreCache::Get(const std::string& query) { | |
29 Cache::iterator iter = cache_.Get(query); | |
30 if (iter != cache_.end()) { | |
31 if (base::Time::Now() - iter->second.first <= | |
32 base::TimeDelta::FromMinutes(kWebstoreCacheTimeLimitInMinutes)) { | |
33 return iter->second.second; | |
34 } else { | |
35 cache_.Erase(iter); | |
36 } | |
37 } | |
38 return NULL; | |
39 } | |
40 | |
41 void WebstoreCache::Put(const std::string& query, | |
42 scoped_ptr<base::DictionaryValue> result) { | |
43 if (result) | |
44 cache_.Put(query, std::make_pair(base::Time::Now(), result.release())); | |
45 } | |
46 | |
47 } // namespace app_list | |
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