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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #ifndef COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_CONTENT_STORE_H_ | 5 #ifndef COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_CONTENT_STORE_H_ |
6 #define COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_CONTENT_STORE_H_ | 6 #define COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_CONTENT_STORE_H_ |
7 | 7 |
| 8 #include <memory> |
8 #include <string> | 9 #include <string> |
9 | 10 |
10 #include "base/bind.h" | 11 #include "base/bind.h" |
11 #include "base/containers/hash_tables.h" | 12 #include "base/containers/hash_tables.h" |
12 #include "base/containers/mru_cache.h" | 13 #include "base/containers/mru_cache.h" |
13 #include "base/macros.h" | 14 #include "base/macros.h" |
14 #include "base/memory/scoped_ptr.h" | |
15 #include "components/dom_distiller/core/article_entry.h" | 15 #include "components/dom_distiller/core/article_entry.h" |
16 #include "components/dom_distiller/core/proto/distilled_article.pb.h" | 16 #include "components/dom_distiller/core/proto/distilled_article.pb.h" |
17 | 17 |
18 namespace dom_distiller { | 18 namespace dom_distiller { |
19 | 19 |
20 // The maximum number of items to keep in the cache before deleting some. | 20 // The maximum number of items to keep in the cache before deleting some. |
21 const int kDefaultMaxNumCachedEntries = 32; | 21 const int kDefaultMaxNumCachedEntries = 32; |
22 | 22 |
23 // This is a simple interface for saving and loading of distilled content for an | 23 // This is a simple interface for saving and loading of distilled content for an |
24 // ArticleEntry. | 24 // ArticleEntry. |
25 class DistilledContentStore { | 25 class DistilledContentStore { |
26 public: | 26 public: |
27 typedef base::Callback< | 27 typedef base::Callback<void(bool /* success */, |
28 void(bool /* success */, scoped_ptr<DistilledArticleProto>)> LoadCallback; | 28 std::unique_ptr<DistilledArticleProto>)> |
| 29 LoadCallback; |
29 typedef base::Callback<void(bool /* success */)> SaveCallback; | 30 typedef base::Callback<void(bool /* success */)> SaveCallback; |
30 | 31 |
31 virtual void SaveContent(const ArticleEntry& entry, | 32 virtual void SaveContent(const ArticleEntry& entry, |
32 const DistilledArticleProto& proto, | 33 const DistilledArticleProto& proto, |
33 SaveCallback callback) = 0; | 34 SaveCallback callback) = 0; |
34 virtual void LoadContent(const ArticleEntry& entry, | 35 virtual void LoadContent(const ArticleEntry& entry, |
35 LoadCallback callback) = 0; | 36 LoadCallback callback) = 0; |
36 | 37 |
37 DistilledContentStore() {}; | 38 DistilledContentStore() {}; |
38 virtual ~DistilledContentStore() {}; | 39 virtual ~DistilledContentStore() {}; |
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70 private: | 71 private: |
71 InMemoryContentStore* store_; | 72 InMemoryContentStore* store_; |
72 }; | 73 }; |
73 | 74 |
74 void AddUrlToIdMapping(const ArticleEntry& entry, | 75 void AddUrlToIdMapping(const ArticleEntry& entry, |
75 const DistilledArticleProto& proto); | 76 const DistilledArticleProto& proto); |
76 | 77 |
77 void EraseUrlToIdMapping(const DistilledArticleProto& proto); | 78 void EraseUrlToIdMapping(const DistilledArticleProto& proto); |
78 | 79 |
79 typedef base::MRUCache<std::string, | 80 typedef base::MRUCache<std::string, |
80 scoped_ptr<DistilledArticleProto, CacheDeletor>> | 81 std::unique_ptr<DistilledArticleProto, CacheDeletor>> |
81 | 82 |
82 ContentMap; | 83 ContentMap; |
83 typedef base::hash_map<std::string, std::string> UrlMap; | 84 typedef base::hash_map<std::string, std::string> UrlMap; |
84 | 85 |
85 ContentMap cache_; | 86 ContentMap cache_; |
86 UrlMap url_to_id_; | 87 UrlMap url_to_id_; |
87 }; | 88 }; |
88 | 89 |
89 } // dom_distiller | 90 } // dom_distiller |
90 | 91 |
91 #endif // COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_CONTENT_CACHE_H_ | 92 #endif // COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_CONTENT_CACHE_H_ |
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