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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_TEST_RUNNER_TRACKED_DICTIONARY_H_ | |
6 #define COMPONENTS_TEST_RUNNER_TRACKED_DICTIONARY_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "base/macros.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/values.h" | |
13 #include "components/test_runner/test_runner_export.h" | |
14 | |
15 namespace test_runner { | |
16 | |
17 class TEST_RUNNER_EXPORT TrackedDictionary { | |
dcheng
2016/03/08 23:09:37
Add a class comment for a summary of how this diff
Łukasz Anforowicz
2016/03/10 22:24:21
Done.
| |
18 public: | |
19 TrackedDictionary(); | |
20 | |
21 // Current value of the tracked dictionary. | |
22 const base::DictionaryValue& current_values() const { | |
23 return current_values_; | |
24 } | |
25 | |
26 // Subset of |current_values| that have been changed (i.e. via Set method) | |
27 // since the last call to ResetChangeTracking. | |
28 const base::DictionaryValue& changed_values() const { | |
29 return changed_values_; | |
30 } | |
31 | |
32 // Clears out |changed_values|. | |
33 void ResetChangeTracking(); | |
34 | |
35 // Overwrites |current_values| with values present in |new_changes|. | |
36 // Application of the new values is not tracked - they will not appear in | |
37 // |changed_values|. | |
38 void ApplyUntrackedChanges(const base::DictionaryValue& new_changes); | |
39 | |
40 // Sets a value in |current_values| and tracks the change in |changed_values|. | |
41 void Set(const std::string& path, scoped_ptr<base::Value> new_value); | |
42 | |
43 // Type-specific setter for convenience. | |
44 void SetBoolean(const std::string& path, bool new_value); | |
45 | |
46 private: | |
47 base::DictionaryValue current_values_; | |
48 base::DictionaryValue changed_values_; | |
49 | |
50 DISALLOW_COPY_AND_ASSIGN(TrackedDictionary); | |
51 }; | |
52 | |
53 } // namespace test_runner | |
54 | |
55 #endif // COMPONENTS_TEST_RUNNER_TRACKED_DICTIONARY_H_ | |
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