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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "components/ntp_snippets/reading_list/reading_list_suggestions_provider .h" | 5 #include "components/ntp_snippets/reading_list/reading_list_suggestions_provider .h" |
6 | 6 |
7 #include <vector> | 7 #include <vector> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/strings/utf_string_conversions.h" | |
10 #include "base/threading/thread_task_runner_handle.h" | 11 #include "base/threading/thread_task_runner_handle.h" |
11 #include "components/ntp_snippets/category.h" | 12 #include "components/ntp_snippets/category.h" |
12 #include "components/reading_list/core/reading_list_entry.h" | 13 #include "components/reading_list/core/reading_list_entry.h" |
13 #include "components/reading_list/core/reading_list_model.h" | 14 #include "components/reading_list/core/reading_list_model.h" |
14 #include "components/strings/grit/components_strings.h" | 15 #include "components/strings/grit/components_strings.h" |
16 #include "components/url_formatter/url_formatter.h" | |
15 #include "ui/base/l10n/l10n_util.h" | 17 #include "ui/base/l10n/l10n_util.h" |
16 | 18 |
19 namespace { | |
Marc Treib
2017/03/28 13:25:15
nit: Move into the ntp_snippets namespace?
gambard
2017/03/28 15:10:06
Done.
| |
20 const int kMaxEntries = 3; | |
21 } | |
22 | |
17 namespace ntp_snippets { | 23 namespace ntp_snippets { |
18 | 24 |
19 ReadingListSuggestionsProvider::ReadingListSuggestionsProvider( | 25 ReadingListSuggestionsProvider::ReadingListSuggestionsProvider( |
20 ContentSuggestionsProvider::Observer* observer, | 26 ContentSuggestionsProvider::Observer* observer, |
21 ReadingListModel* reading_list_model) | 27 ReadingListModel* reading_list_model) |
22 : ContentSuggestionsProvider(observer), | 28 : ContentSuggestionsProvider(observer), |
23 category_status_(CategoryStatus::AVAILABLE_LOADING), | 29 category_status_(CategoryStatus::AVAILABLE_LOADING), |
24 provided_category_( | 30 provided_category_( |
25 Category::FromKnownCategory(KnownCategories::READING_LIST)), | 31 Category::FromKnownCategory(KnownCategories::READING_LIST)), |
26 reading_list_model_(reading_list_model) { | 32 reading_list_model_(reading_list_model) { |
27 observer->OnCategoryStatusChanged(this, provided_category_, category_status_); | 33 observer->OnCategoryStatusChanged(this, provided_category_, category_status_); |
28 reading_list_model->AddObserver(this); | 34 reading_list_model->AddObserver(this); |
29 if (reading_list_model_->loaded()) { | |
Marc Treib
2017/03/28 13:25:15
Is this not needed anymore?
gambard
2017/03/28 15:10:06
No, if the model is loaded when an observer is add
| |
30 FetchReadingListInternal(); | |
31 } | |
32 } | 35 } |
33 | 36 |
34 ReadingListSuggestionsProvider::~ReadingListSuggestionsProvider() { | 37 ReadingListSuggestionsProvider::~ReadingListSuggestionsProvider() { |
35 reading_list_model_->RemoveObserver(this); | 38 if (reading_list_model_) |
Marc Treib
2017/03/28 13:25:15
nit: braces please
optional: ScopedObserver might
gambard
2017/03/28 15:10:06
Thanks, I did not know about ScopedObserver!
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39 reading_list_model_->RemoveObserver(this); | |
36 } | 40 } |
37 | 41 |
38 CategoryStatus ReadingListSuggestionsProvider::GetCategoryStatus( | 42 CategoryStatus ReadingListSuggestionsProvider::GetCategoryStatus( |
39 Category category) { | 43 Category category) { |
40 DCHECK_EQ(category, provided_category_); | 44 DCHECK_EQ(category, provided_category_); |
41 return category_status_; | 45 return category_status_; |
42 } | 46 } |
43 | 47 |
44 CategoryInfo ReadingListSuggestionsProvider::GetCategoryInfo( | 48 CategoryInfo ReadingListSuggestionsProvider::GetCategoryInfo( |
45 Category category) { | 49 Category category) { |
(...skipping 54 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
100 Category category) { | 104 Category category) { |
101 // TODO(crbug.com/702241): Implement this method. | 105 // TODO(crbug.com/702241): Implement this method. |
102 } | 106 } |
103 | 107 |
104 void ReadingListSuggestionsProvider::ReadingListModelLoaded( | 108 void ReadingListSuggestionsProvider::ReadingListModelLoaded( |
105 const ReadingListModel* model) { | 109 const ReadingListModel* model) { |
106 DCHECK(model == reading_list_model_); | 110 DCHECK(model == reading_list_model_); |
107 FetchReadingListInternal(); | 111 FetchReadingListInternal(); |
108 } | 112 } |
109 | 113 |
114 void ReadingListSuggestionsProvider::ReadingListModelBeingDeleted( | |
115 const ReadingListModel* model) { | |
116 DCHECK(model == reading_list_model_); | |
117 reading_list_model_->RemoveObserver(this); | |
118 reading_list_model_ = nullptr; | |
119 } | |
120 | |
110 void ReadingListSuggestionsProvider::FetchReadingListInternal() { | 121 void ReadingListSuggestionsProvider::FetchReadingListInternal() { |
111 // TODO(crbug.com/702241): Implement this method. | 122 if (!reading_list_model_) |
123 return; | |
124 | |
125 DCHECK(reading_list_model_->loaded()); | |
126 std::vector<const ReadingListEntry*> entries; | |
127 for (const auto& url : reading_list_model_->Keys()) { | |
Marc Treib
2017/03/28 13:25:15
s/auto/actual type/ ? IMO it's not clear what the
gambard
2017/03/28 15:10:06
Done.
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128 const ReadingListEntry* entry = reading_list_model_->GetEntryByURL(url); | |
129 if (!entry->IsRead()) { | |
Marc Treib
2017/03/28 13:25:16
optional: "if (entry->IsRead()) { continue; }" ?
gambard
2017/03/28 15:10:06
Done.
| |
130 bool added = false; | |
131 for (auto it = entries.begin(); it != entries.end(); ++it) { | |
132 if ((*it)->UpdateTime() < entry->UpdateTime()) { | |
133 entries.insert(it, entry); | |
134 added = true; | |
135 break; | |
136 } | |
137 } | |
138 if (!added && entries.size() < kMaxEntries) { | |
139 entries.push_back(entry); | |
140 } | |
141 if (entries.size() > kMaxEntries) { | |
142 entries.pop_back(); | |
143 } | |
Marc Treib
2017/03/28 13:25:16
Hm, IMO it's not really obvious what this is suppo
gambard
2017/03/28 15:10:07
Done.
| |
144 } | |
145 } | |
146 | |
147 std::vector<ContentSuggestion> suggestions; | |
148 for (const ReadingListEntry* entry : entries) { | |
149 ContentSuggestion suggestion(provided_category_, entry->URL().spec(), | |
150 entry->URL()); | |
151 | |
152 if (entry->Title().size() > 0) { | |
Marc Treib
2017/03/28 13:25:16
nit: !entry->Title().empty()
gambard
2017/03/28 15:10:07
Done.
| |
153 suggestion.set_title(base::UTF8ToUTF16(entry->Title())); | |
154 } else { | |
155 suggestion.set_title(url_formatter::FormatUrl(entry->URL())); | |
156 } | |
157 suggestion.set_snippet_text( | |
158 url_formatter::FormatUrl(entry->URL().GetOrigin())); | |
Marc Treib
2017/03/28 13:25:16
If the URL is already used as the title, then this
gambard
2017/03/28 15:10:07
The question was to do this test in the provider o
Marc Treib
2017/03/28 15:31:29
How would you check it there? After formatting, I
gambard
2017/03/28 15:42:49
Sorry, I missread your comment. The URL is used in
Marc Treib
2017/03/28 15:51:45
So if the page doesn't have a title, you'd see:
ww
gambard
2017/03/29 07:23:24
Yes, you would see both. I looks better in the UI
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159 suggestions.emplace_back(std::move(suggestion)); | |
160 } | |
161 | |
162 NotifyStatusChanged(CategoryStatus::AVAILABLE); | |
163 observer()->OnNewSuggestions(this, provided_category_, | |
164 std::move(suggestions)); | |
165 } | |
166 | |
167 void ReadingListSuggestionsProvider::NotifyStatusChanged( | |
168 CategoryStatus new_status) { | |
169 if (category_status_ == new_status) { | |
170 return; | |
171 } | |
172 category_status_ = new_status; | |
173 observer()->OnCategoryStatusChanged(this, provided_category_, new_status); | |
112 } | 174 } |
113 | 175 |
114 } // namespace ntp_snippets | 176 } // namespace ntp_snippets |
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