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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 CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_OBSERVER_H_ | |
6 #define CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_OBSERVER_H_ | |
7 | |
8 #include "base/gtest_prod_util.h" | |
9 #include "base/macros.h" | |
10 | |
11 class GURL; | |
12 class SiteEngagementService; | |
13 | |
14 class SiteEngagementObserver { | |
15 public: | |
16 // Called when the engagement for |url| increases to |score|. | |
17 // This may be run on user input, so observers *must not* perform any | |
18 // expensive tasks in this callback. | |
19 virtual void OnEngagementIncreased(const SiteEngagementService* service, | |
20 const GURL& url, | |
benwells
2016/06/01 01:44:45
can you use a url::Origin here instead?
There is
dominickn
2016/06/01 02:54:13
Do you think that the observer should only be info
benwells
2016/06/01 03:35:50
Hmm ... I hadn't considered that. It feels a bit s
| |
21 double score) {} | |
22 | |
23 protected: | |
24 explicit SiteEngagementObserver(SiteEngagementService* service); | |
25 | |
26 SiteEngagementObserver(); | |
27 | |
28 ~SiteEngagementObserver(); | |
29 | |
30 // Begin observing |service| for engagement increases. | |
31 // To stop observing, call Observe(nullptr). | |
32 void Observe(SiteEngagementService* service); | |
33 | |
34 private: | |
35 FRIEND_TEST_ALL_PREFIXES(SiteEngagementServiceTest, Observers); | |
36 SiteEngagementService* service_; | |
37 | |
38 DISALLOW_COPY_AND_ASSIGN(SiteEngagementObserver); | |
39 | |
40 }; | |
41 | |
42 #endif // CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_OBSERVER_H_ | |
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