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1 // Copyright 2013 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_AUTOFILL_CONTENT_BROWSER_AUTOCHECKOUT_WHITELIST_MANAGER_H_ | |
6 #define COMPONENTS_AUTOFILL_CONTENT_BROWSER_AUTOCHECKOUT_WHITELIST_MANAGER_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/timer/timer.h" | |
12 #include "components/autofill/core/browser/autofill_metrics.h" | |
13 #include "net/base/backoff_entry.h" | |
14 #include "net/url_request/url_fetcher_delegate.h" | |
15 | |
16 class GURL; | |
17 | |
18 namespace content { | |
19 class BrowserContext; | |
20 } | |
21 | |
22 namespace net { | |
23 class URLFetcher; | |
24 class URLRequestContextGetter; | |
25 } | |
26 | |
27 namespace autofill { | |
28 namespace autocheckout { | |
29 | |
30 // Downloads and caches the list of URL prefixes whitelisted for use with | |
31 // Autocheckout. | |
32 class WhitelistManager : public net::URLFetcherDelegate { | |
33 public: | |
34 WhitelistManager(); | |
35 virtual ~WhitelistManager(); | |
36 | |
37 // Schedule a fetch of the Autocheckout whitelist file if it's not already | |
38 // loaded. This helps ensure that the whitelist will be available by the time | |
39 // the user navigates to a form on which Autocheckout should be enabled. | |
40 void Init(net::URLRequestContextGetter* context_getter); | |
41 | |
42 // Matches the url with whitelist and return the matched url prefix. | |
43 // Returns empty string when it is not matched. | |
44 std::string GetMatchedURLPrefix(const GURL& url) const; | |
45 | |
46 protected: | |
47 // Schedules a future call to TriggerDownload if one isn't already pending. | |
48 virtual void ScheduleDownload(base::TimeDelta interval); | |
49 | |
50 // Start the download timer. It is called by ScheduleDownload(), and exposed | |
51 // as a separate method for mocking out in tests. | |
52 virtual void StartDownloadTimer(base::TimeDelta interval); | |
53 | |
54 // Returns the |AutofillMetrics| instance that should be used for logging | |
55 // Autocheckout whitelist file downloading. | |
56 virtual const AutofillMetrics& GetMetricLogger() const; | |
57 | |
58 // Timer callback indicating it's time to download whitelist from server. | |
59 void TriggerDownload(); | |
60 | |
61 // Used by tests only. | |
62 void StopDownloadTimer(); | |
63 | |
64 const std::vector<std::string>& url_prefixes() const { | |
65 return url_prefixes_; | |
66 } | |
67 | |
68 private: | |
69 // Implements net::URLFetcherDelegate. | |
70 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; | |
71 | |
72 // Parse whitelist data and build whitelist. | |
73 void BuildWhitelist(const std::string& data); | |
74 | |
75 // A list of whitelisted url prefixes. | |
76 std::vector<std::string> url_prefixes_; | |
77 | |
78 base::OneShotTimer<WhitelistManager> download_timer_; | |
79 | |
80 // Indicates that the last triggered download hasn't resolved yet. | |
81 bool callback_is_pending_; | |
82 | |
83 // The context for the request. | |
84 net::URLRequestContextGetter* context_getter_; // WEAK | |
85 | |
86 // State of the kEnableExperimentalFormFilling flag. | |
87 const bool experimental_form_filling_enabled_; | |
88 | |
89 // State of the kBypassAutocheckoutWhitelist flag. | |
90 const bool bypass_autocheckout_whitelist_; | |
91 | |
92 // Exponential back-off delay to retry a failed download. | |
93 net::BackoffEntry retry_entry_; | |
94 | |
95 // Logger for UMA metrics. | |
96 AutofillMetrics metrics_logger_; | |
97 | |
98 // When the whitelist download started. Used to track download latency. | |
99 base::Time request_started_timestamp_; | |
100 | |
101 // The request object. | |
102 scoped_ptr<net::URLFetcher> request_; | |
103 | |
104 DISALLOW_COPY_AND_ASSIGN(WhitelistManager); | |
105 }; | |
106 | |
107 } // namespace autocheckout | |
108 } // namespace autofill | |
109 | |
110 #endif // COMPONENTS_AUTOFILL_CONTENT_BROWSER_AUTOCHECKOUT_WHITELIST_MANAGER_H_ | |
111 | |
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