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1 // Copyright 2016 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 #ifndef COMPONENTS_OFFLINE_PAGES_CLIENT_POLICY_CONTROLLER_H_ | |
6 #define COMPONENTS_OFFLINE_PAGES_CLIENT_POLICY_CONTROLLER_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 #include <map> | |
11 #include <memory> | |
12 #include <string> | |
13 #include <vector> | |
14 | |
15 #include "base/time/time.h" | |
16 #include "components/offline_pages/offline_page_client_policy.h" | |
17 | |
18 namespace offline_pages { | |
19 | |
20 // This is the class which is a singleton for offline page model | |
21 // to get client policies based on namespaces. | |
22 class ClientPolicyController { | |
23 public: | |
24 ClientPolicyController(); | |
25 ~ClientPolicyController(); | |
26 | |
27 // Generates a client policy from the input values. | |
28 static const OfflinePageClientPolicy MakePolicy( | |
29 const std::string& name_space, | |
30 LifetimePolicy::LifetimeType lifetime_type, | |
31 const base::TimeDelta& expiration_period, | |
32 size_t page_limit, | |
33 size_t pages_allowed_per_url); | |
34 | |
35 // Get the client policy for |name_space|. | |
36 const OfflinePageClientPolicy& GetPolicy(const std::string& name_space) const; | |
37 | |
38 // Returns a list of all known namespaces. | |
39 std::vector<std::string> GetAllNamespaces() const; | |
40 | |
41 // Returns whether pages for |name_space| should be removed on cache reset. | |
42 bool IsRemovedOnCacheReset(const std::string& name_space) const; | |
43 | |
44 // Returns whether pages for |name_space| are shown in Download UI. | |
45 bool IsSupportedByDownload(const std::string& name_space) const; | |
46 const std::vector<std::string>& GetNamespacesSupportedByDownload() const; | |
47 | |
48 // Returns whether pages for |name_space| are shown in recent tabs UI, | |
49 // currently only available on NTP. | |
50 bool IsShownAsRecentlyVisitedSite(const std::string& name_space) const; | |
51 const std::vector<std::string>& GetNamespacesShownAsRecentlyVisitedSite() | |
52 const; | |
53 | |
54 // Returns whether pages for |name_space| should never be shown outside the | |
55 // tab they were generated in. | |
56 bool IsRestrictedToOriginalTab(const std::string& name_space) const; | |
57 const std::vector<std::string>& GetNamespacesRestrictedToOriginalTab() const; | |
58 | |
59 void AddPolicyForTest(const std::string& name_space, | |
60 const OfflinePageClientPolicyBuilder& builder); | |
61 | |
62 private: | |
63 // The map from name_space to a client policy. Will be generated | |
64 // as pre-defined values for now. | |
65 std::map<std::string, OfflinePageClientPolicy> policies_; | |
66 | |
67 // Memoizing results. | |
68 mutable std::unique_ptr<std::vector<std::string>> download_namespace_cache_; | |
69 mutable std::unique_ptr<std::vector<std::string>> recent_tab_namespace_cache_; | |
70 mutable std::unique_ptr<std::vector<std::string>> show_in_original_tab_cache_; | |
71 | |
72 DISALLOW_COPY_AND_ASSIGN(ClientPolicyController); | |
73 }; | |
74 | |
75 } // namespace offline_pages | |
76 | |
77 #endif // COMPONENTS_OFFLINE_PAGES_CLIENT_POLICY_CONTROLLER_H_ | |
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