chrome/browser/safe_browsing/last_download_finder.h - Issue 470213002: Moving all the incident reporting stuff to a common folder

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Issue 470213002: Moving all the incident reporting stuff to a common folder (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@binsign

Patch Set: Created 6 years, 4 months ago

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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

3 // found in the LICENSE file.

4

5 #ifndef CHROME_BROWSER_SAFE_BROWSING_LAST_DOWNLOAD_FINDER_H_

6 #define CHROME_BROWSER_SAFE_BROWSING_LAST_DOWNLOAD_FINDER_H_

7

8 #include <vector>

9

10 #include "base/callback.h"

11 #include "base/compiler_specific.h"

12 #include "base/macros.h"

13 #include "base/memory/scoped_ptr.h"

14 #include "base/memory/weak_ptr.h"

15 #include "chrome/browser/history/download_row.h"

16 #include "content/public/browser/notification_observer.h"

17 #include "content/public/browser/notification_registrar.h"

18

19 class HistoryService;

20 class Profile;

21

22 namespace content {

23 class NotificationDetails;

24 class NotificationSource;

25 }

26

27 namespace history {

28 struct DownloadRow;

29 }

30

31 namespace safe_browsing {

32

33 class ClientIncidentReport_DownloadDetails;

34

35 // Finds the most recent executable downloaded by any on-the-record profile with

36 // history that participates in safe browsing.

37 class LastDownloadFinder : public content::NotificationObserver {

38 public:

39 // The type of a callback run by the finder upon completion. The argument is a

40 // protobuf containing details of the download that was found, or an empty

41 // pointer if none was found.

42 typedef base::Callback<void(scoped_ptr<ClientIncidentReport_DownloadDetails>)>

43 LastDownloadCallback;

44

45 virtual ~LastDownloadFinder();

46

47 // Initiates an asynchronous search for the most recent download. \|callback\|

48 // will be run when the search is complete. The returned instance can be

49 // deleted to terminate the search, in which case \|callback\| is not invoked.

50 // Returns NULL without running \|callback\| if there are no eligible profiles

51 // to search.

52 static scoped_ptr<LastDownloadFinder> Create(

53 const LastDownloadCallback& callback);

54

55 protected:

56 // Protected constructor so that unit tests can create a fake finder.

57 LastDownloadFinder();

58

59 private:

60 LastDownloadFinder(const std::vector<Profile*>& profiles,

61 const LastDownloadCallback& callback);

62

63 // Adds \|profile\| to the set of profiles to be searched if it is an

64 // on-the-record profile with history that participates in safe browsing. The

65 // search is initiated if the profile has already loaded history.

66 void SearchInProfile(Profile* profile);

67

68 // Initiates a search in \|profile\| if it is in the set of profiles to be

69 // searched.

70 void OnProfileHistoryLoaded(Profile* profile,

71 HistoryService* history_service);

72

73 // Abandons the search for downloads in \|profile\|, reporting results if there

74 // are no more pending queries.

75 void AbandonSearchInProfile(Profile* profile);

76

77 // HistoryService::DownloadQueryCallback. Retrieves the most recent completed

78 // executable download from \|downloads\| and reports results if there are no

79 // more pending queries.

80 void OnDownloadQuery(

81 Profile* profile,

82 scoped_ptr<std::vector<history::DownloadRow> > downloads);

83

84 // Removes the profile pointed to by \|it\| from profiles_ and reports results

85 // if there are no more pending queries.

86 void RemoveProfileAndReportIfDone(std::vector<Profile*>::iterator it);

87

88 // Invokes the caller-supplied callback with the download found.

89 void ReportResults();

90

91 // content::NotificationObserver methods.

92 virtual void Observe(int type,

93 const content::NotificationSource& source,

94 const content::NotificationDetails& details) OVERRIDE;

95

96 // Caller-supplied callback to be invoked when the most recent download is

97 // found.

98 LastDownloadCallback callback_;

99

100 // The profiles for which a download query is pending.

101 std::vector<Profile*> profiles_;

102

103 // Registrar for observing profile lifecycle notifications.

104 content::NotificationRegistrar notification_registrar_;

105

106 // The most recent download, updated progressively as query results arrive.

107 history::DownloadRow most_recent_row_;

108

109 // A factory for asynchronous operations on profiles' HistoryService.

110 base::WeakPtrFactory<LastDownloadFinder> weak_ptr_factory_;

111

112 DISALLOW_COPY_AND_ASSIGN(LastDownloadFinder);

113 };

114

115 } // namespace safe_browsing

116

117 #endif // CHROME_BROWSER_SAFE_BROWSING_LAST_DOWNLOAD_FINDER_H_

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