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chromium / chromium / src / b15df0e22b3aba7903903380bd7012b557fee635 / . / chrome / updater / persisted_data.h
blob: b1b82b487fd50ca21403323247faf524deb24b74 [file] [log] [blame]
Sorin Jianu2d0c54a2020-02-27 21:35:52[diff] [blame]1// Copyright 2020 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 CHROME_UPDATER_PERSISTED_DATA_H_
6#define CHROME_UPDATER_PERSISTED_DATA_H_
7
8#include <string>
9#include <vector>
10
11#include "base/memory/ref_counted.h"
12#include "base/sequence_checker.h"
13
14class PrefService;
15
16namespace base {
Michael Changb15df0e22020-03-02 22:21:12[diff] [blame^]17class FilePath;
Sorin Jianu2d0c54a2020-02-27 21:35:52[diff] [blame]18class Version;
Michael Changb15df0e22020-03-02 22:21:12[diff] [blame^]19} // namespace base
Sorin Jianu2d0c54a2020-02-27 21:35:52[diff] [blame]20
21namespace updater {
22
Michael Changb15df0e22020-03-02 22:21:12[diff] [blame^]23struct RegistrationRequest;
24
Sorin Jianu2d0c54a2020-02-27 21:35:52[diff] [blame]25// PersistedData uses the PrefService to persist updater data that outlives
26// the updater processes.
27//
28// This class has sequence affinity.
29//
30// A mechanism to remove apps or app versions from prefs is needed.
31// TODO(sorin): crbug.com/1056450
32class PersistedData : public base::RefCounted<PersistedData> {
33 public:
34 // Constructs a provider using the specified |pref_service|.
35 // The associated preferences are assumed to already be registered.
36 // The |pref_service| must outlive the instance of this class.
37 explicit PersistedData(PrefService* pref_service);
38 PersistedData(const PersistedData&) = delete;
39 PersistedData& operator=(const PersistedData&) = delete;
40
41 // These functions access |pv| data for the specified |id|. Returns an empty
42 // version, if the version is not found.
43 base::Version GetProductVersion(const std::string& id) const;
44 void SetProductVersion(const std::string& id, const base::Version& pv);
45
46 // These functions access |fingerprint| data for the specified |id|.
47 std::string GetFingerprint(const std::string& id) const;
48 void SetFingerprint(const std::string& id, const std::string& fp);
49
Michael Changb15df0e22020-03-02 22:21:12[diff] [blame^]50 // These functions access the existence checker path for the specified id.
51 base::FilePath GetExistenceCheckerPath(const std::string& id) const;
52 void SetExistenceCheckerPath(const std::string& id,
53 const base::FilePath& ecp);
54
55 // These functions access the brand code for the specified id.
56 std::string GetBrandCode(const std::string& id) const;
57 void SetBrandCode(const std::string& id, const std::string& bc);
58
59 // These functions access the tag for the specified id.
60 std::string GetTag(const std::string& id) const;
61 void SetTag(const std::string& id, const std::string& tag);
62
63 // This function sets everything in the registration request object into the
64 // persistent data store.
65 void RegisterApp(const RegistrationRequest& rq);
66
Sorin Jianu2d0c54a2020-02-27 21:35:52[diff] [blame]67 // Returns the app ids of the applications registered in prefs, if the
68 // application has a valid version.
69 std::vector<std::string> GetAppIds() const;
70
71 private:
72 friend class base::RefCounted<PersistedData>;
73 ~PersistedData();
74
75 std::string GetString(const std::string& id, const std::string& key) const;
76 void SetString(const std::string& id,
77 const std::string& key,
78 const std::string& value);
79
80 SEQUENCE_CHECKER(sequence_checker_);
81
82 PrefService* pref_service_ = nullptr; // Not owned by this class.
83};
84
85} // namespace updater
86
87#endif // CHROME_UPDATER_PERSISTED_DATA_H_