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1 // Copyright 2015 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_INTERESTS_INTERESTS_FETCHER_H_ | |
6 #define CHROME_BROWSER_INTERESTS_INTERESTS_FETCHER_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/callback.h" | |
12 #include "base/gtest_prod_util.h" | |
13 #include "base/macros.h" | |
14 #include "base/memory/scoped_ptr.h" | |
15 #include "chrome/browser/profiles/profile.h" | |
16 #include "components/signin/core/browser/signin_manager.h" | |
17 #include "google_apis/gaia/oauth2_token_service.h" | |
18 #include "net/url_request/url_fetcher.h" | |
19 #include "net/url_request/url_fetcher_delegate.h" | |
20 | |
21 // Class to fetch a user's interests as computed by Google Now. Each interest is | |
22 // represented as a tuple of its name, an url to a representative image, and a | |
23 // score measuring the level of interest of the user. | |
24 // | |
25 // Authentication is done via OAuth2 and requires the | |
26 // https://www.googleapis.com/auth/googlenow scope. | |
27 // | |
28 // If the InterestsFetcher is deleted before the callback is called then the | |
29 // request will be aborted. | |
30 // | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
please remove the example usage part of the commen
PEConn
2015/10/05 14:12:05
Done.
| |
31 // Example Usage: | |
32 // | |
33 // auto request = make_scoped_ptr(new InterestsFetcher(callback)); | |
34 // | |
35 class InterestsFetcher : public net::URLFetcherDelegate, | |
36 public OAuth2TokenService::Consumer { | |
37 public: | |
38 struct Interest { | |
39 std::string name; | |
40 GURL image_url; | |
41 double relevance; | |
42 | |
43 Interest(const std::string& name, const GURL& image_url, float rlevance); | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
ctor and dtor should come before data members: htt
PEConn
2015/10/05 14:12:04
Done.
| |
44 | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
no empty line here
PEConn
2015/10/05 14:12:04
Done.
| |
45 ~Interest(); | |
46 | |
47 bool operator==(const Interest& interest) const; | |
48 }; | |
49 | |
50 typedef base::Callback<void(const std::vector<Interest>&)> | |
51 InterestsCallback; | |
52 | |
53 InterestsFetcher( | |
54 OAuth2TokenService* oauth2_token_service, | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
how do you guarantee that the token service is sti
PEConn
2015/10/05 14:12:04
The token service needs to be stored so we can ret
| |
55 const std::string& account_id, | |
56 net::URLRequestContextGetter* context); | |
57 | |
58 ~InterestsFetcher() override; | |
59 | |
60 static scoped_ptr<InterestsFetcher> CreateFromProfile(Profile* profile); | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
can you have multiple fetchers per profile? Should
PEConn
2015/10/05 14:12:04
You can have multiple fetchers per profile.
It's p
| |
61 | |
62 void Start(const InterestsCallback& callback); | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
this could use a comment what it starts (or a bett
PEConn
2015/10/05 14:12:04
Done.
| |
63 | |
64 private: | |
65 // net::URLFetcherDelegate implementation. | |
66 void OnURLFetchComplete(const net::URLFetcher* source) override; | |
67 | |
68 // OAuth2TokenService::Consumer implementation. | |
69 void OnGetTokenSuccess(const OAuth2TokenService::Request* request, | |
70 const std::string& access_token, | |
71 const base::Time& experiation_time) override; | |
72 | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
no empty line here
PEConn
2015/10/05 14:12:05
Done.
| |
73 void OnGetTokenFailure(const OAuth2TokenService::Request* request, | |
74 const GoogleServiceAuthError& error) override; | |
75 | |
76 void StartOAuth2Request(); | |
77 | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
no empty line here
PEConn
2015/10/05 14:12:05
Done.
| |
78 OAuth2TokenService::ScopeSet GetApiScopes(); | |
79 | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
nor here
PEConn
2015/10/05 14:12:05
Done.
| |
80 scoped_ptr<net::URLFetcher> CreateFetcher(); | |
81 | |
82 // Parse the json response. | |
83 std::vector<Interest> ExtractInterests(const std::string& response); | |
84 | |
85 InterestsCallback callback_; | |
86 | |
87 scoped_ptr<net::URLFetcher> fetcher_; | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
sooo many empty lines here.
PEConn
2015/10/05 14:12:04
Done.
| |
88 | |
89 scoped_ptr<OAuth2TokenService::Request> oauth_request_; | |
90 | |
91 OAuth2TokenService* token_service_; | |
92 | |
93 std::string account_id_; | |
94 | |
95 net::URLRequestContextGetter* url_request_context_; | |
96 | |
97 bool access_token_expired_; | |
98 | |
99 std::string access_token_; | |
100 | |
101 | |
jochen (gone - plz use gerrit)
2015/10/02 13:51:00
only one empty line here
PEConn
2015/10/05 14:12:05
Done.
| |
102 DISALLOW_COPY_AND_ASSIGN(InterestsFetcher); | |
103 }; | |
104 | |
105 #endif // CHROME_BROWSER_INTERESTS_INTERESTS_FETCHER_H_ | |
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