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1 // Copyright 2017 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 package org.chromium.chrome.browser.suggestions; | |
6 | |
7 import android.util.Pair; | |
8 | |
9 import org.chromium.chrome.browser.ntp.snippets.CategoryInt; | |
10 import org.chromium.chrome.browser.ntp.snippets.SnippetArticle; | |
11 | |
12 /** | |
13 * Exposes UMA related methods. | |
14 */ | |
15 public interface SuggestionsMetricsReporter { | |
16 /** | |
17 * Returns the rank of suggestion related elements. | |
18 */ | |
19 interface SuggestionRanker { | |
20 /** @return The [rankInSection, globalRank] pair for the provided sugges tion. */ | |
21 Pair<Integer, Integer> getSuggestionRank(SnippetArticle suggestion); | |
22 | |
23 /** @return The rank pair for the action item of the section for the pro vided category. */ | |
Bernhard Bauer
2017/01/13 10:56:07
This method doesn't return a pair.
dgn
2017/01/13 11:24:04
Oops thanks, done.
| |
24 int getActionItemRank(@CategoryInt int category); | |
25 } | |
26 | |
27 void setRanker(SuggestionRanker ranker); | |
28 | |
29 /** | |
30 * Tracks per-page-load metrics for content suggestions. | |
31 * @param categories The categories of content suggestions. | |
32 * @param suggestionsPerCategory The number of content suggestions in each c ategory. | |
33 */ | |
34 void onPageShown(int[] categories, int[] suggestionsPerCategory); | |
35 | |
36 /** | |
37 * Tracks impression metrics for a content suggestion. | |
38 * @param suggestion The content suggestion that was shown to the user. | |
39 */ | |
40 void onSuggestionShown(SnippetArticle suggestion); | |
41 | |
42 /** | |
43 * Tracks interaction metrics for a content suggestion. | |
44 * @param suggestion The content suggestion that the user opened. | |
45 * @param windowOpenDisposition How the suggestion was opened (current tab, new tab, | |
46 * new window etc). | |
47 */ | |
48 void onSuggestionOpened(SnippetArticle suggestion, int windowOpenDisposition ); | |
49 | |
50 /** | |
51 * Tracks impression metrics for the long-press menu for a content suggestio n. | |
52 * @param suggestion The content suggestion for which the long-press menu wa s opened. | |
53 */ | |
54 void onSuggestionMenuOpened(SnippetArticle suggestion); | |
55 | |
56 /** | |
57 * Tracks impression metrics for a category's action button ("More"). | |
58 * @param category The category for which the action button was shown. | |
59 */ | |
60 void onMoreButtonShown(@CategoryInt int category); | |
61 | |
62 /** | |
63 * Tracks click metrics for a category's action button ("More"). | |
64 * @param category The category for which the action button was clicked. | |
65 */ | |
66 void onMoreButtonClicked(@CategoryInt int category); | |
67 } | |
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