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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_MOST_VISITED_HANDLER_H_ | 5 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_MOST_VISITED_HANDLER_H_ |
6 #define CHROME_BROWSER_UI_WEBUI_NTP_MOST_VISITED_HANDLER_H_ | 6 #define CHROME_BROWSER_UI_WEBUI_NTP_MOST_VISITED_HANDLER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "chrome/browser/history/history_types.h" | 12 #include "chrome/browser/history/history_types.h" |
13 #include "content/browser/cancelable_request.h" | 13 #include "content/browser/cancelable_request.h" |
14 #include "content/browser/webui/web_ui.h" | 14 #include "content/browser/webui/web_ui.h" |
15 #include "content/common/notification_observer.h" | 15 #include "content/common/notification_observer.h" |
16 #include "content/common/notification_registrar.h" | 16 #include "content/common/notification_registrar.h" |
17 | 17 |
18 class GURL; | 18 class GURL; |
19 class ListValue; | |
20 class PageUsageData; | 19 class PageUsageData; |
21 class PrefService; | 20 class PrefService; |
| 21 |
| 22 namespace base { |
| 23 class ListValue; |
22 class Value; | 24 class Value; |
| 25 } |
23 | 26 |
24 // The handler for Javascript messages related to the "most visited" view. | 27 // The handler for Javascript messages related to the "most visited" view. |
25 // | 28 // |
26 // This class manages two preferences: | 29 // This class manages two preferences: |
27 // - The URL blacklist: URLs we do not want to show in the thumbnails list. It | 30 // - The URL blacklist: URLs we do not want to show in the thumbnails list. It |
28 // is a dictionary for quick access (it associates a dummy boolean to the URL | 31 // is a dictionary for quick access (it associates a dummy boolean to the URL |
29 // string). | 32 // string). |
30 // - Pinned URLs: This is a dictionary for the pinned URLs for the the most | 33 // - Pinned URLs: This is a dictionary for the pinned URLs for the the most |
31 // visited part of the new tab page. The key of the dictionary is a hash of | 34 // visited part of the new tab page. The key of the dictionary is a hash of |
32 // the URL and the value is a dictionary with title, url and index. This is | 35 // the URL and the value is a dictionary with title, url and index. This is |
33 // owned by the PrefService. | 36 // owned by the PrefService. |
34 class MostVisitedHandler : public WebUIMessageHandler, | 37 class MostVisitedHandler : public WebUIMessageHandler, |
35 public NotificationObserver { | 38 public NotificationObserver { |
36 public: | 39 public: |
37 | 40 |
38 MostVisitedHandler(); | 41 MostVisitedHandler(); |
39 virtual ~MostVisitedHandler(); | 42 virtual ~MostVisitedHandler(); |
40 | 43 |
41 // WebUIMessageHandler override and implementation. | 44 // WebUIMessageHandler override and implementation. |
42 virtual WebUIMessageHandler* Attach(WebUI* web_ui); | 45 virtual WebUIMessageHandler* Attach(WebUI* web_ui); |
43 virtual void RegisterMessages(); | 46 virtual void RegisterMessages(); |
44 | 47 |
45 // Callback for the "getMostVisited" message. | 48 // Callback for the "getMostVisited" message. |
46 void HandleGetMostVisited(const ListValue* args); | 49 void HandleGetMostVisited(const base::ListValue* args); |
47 | 50 |
48 // Callback for the "blacklistURLFromMostVisited" message. | 51 // Callback for the "blacklistURLFromMostVisited" message. |
49 void HandleBlacklistURL(const ListValue* args); | 52 void HandleBlacklistURL(const base::ListValue* args); |
50 | 53 |
51 // Callback for the "removeURLsFromMostVisitedBlacklist" message. | 54 // Callback for the "removeURLsFromMostVisitedBlacklist" message. |
52 void HandleRemoveURLsFromBlacklist(const ListValue* args); | 55 void HandleRemoveURLsFromBlacklist(const base::ListValue* args); |
53 | 56 |
54 // Callback for the "clearMostVisitedURLsBlacklist" message. | 57 // Callback for the "clearMostVisitedURLsBlacklist" message. |
55 void HandleClearBlacklist(const ListValue* args); | 58 void HandleClearBlacklist(const base::ListValue* args); |
56 | 59 |
57 // Callback for the "addPinnedURL" message. | 60 // Callback for the "addPinnedURL" message. |
58 void HandleAddPinnedURL(const ListValue* args); | 61 void HandleAddPinnedURL(const base::ListValue* args); |
59 | 62 |
60 // Callback for the "removePinnedURL" message. | 63 // Callback for the "removePinnedURL" message. |
61 void HandleRemovePinnedURL(const ListValue* args); | 64 void HandleRemovePinnedURL(const base::ListValue* args); |
62 | 65 |
63 // NotificationObserver implementation. | 66 // NotificationObserver implementation. |
64 virtual void Observe(int type, | 67 virtual void Observe(int type, |
65 const NotificationSource& source, | 68 const NotificationSource& source, |
66 const NotificationDetails& details); | 69 const NotificationDetails& details); |
67 | 70 |
68 const std::vector<GURL>& most_visited_urls() const { | 71 const std::vector<GURL>& most_visited_urls() const { |
69 return most_visited_urls_; | 72 return most_visited_urls_; |
70 } | 73 } |
71 | 74 |
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118 // The most visited URLs, in priority order. | 121 // The most visited URLs, in priority order. |
119 // Only used for matching up clicks on the page to which most visited entry | 122 // Only used for matching up clicks on the page to which most visited entry |
120 // was clicked on for metrics purposes. | 123 // was clicked on for metrics purposes. |
121 std::vector<GURL> most_visited_urls_; | 124 std::vector<GURL> most_visited_urls_; |
122 | 125 |
123 // We pre-fetch the first set of result pages. This variable is false until | 126 // We pre-fetch the first set of result pages. This variable is false until |
124 // we get the first getMostVisited() call. | 127 // we get the first getMostVisited() call. |
125 bool got_first_most_visited_request_; | 128 bool got_first_most_visited_request_; |
126 | 129 |
127 // Keep the results of the db query here. | 130 // Keep the results of the db query here. |
128 scoped_ptr<ListValue> pages_value_; | 131 scoped_ptr<base::ListValue> pages_value_; |
129 | 132 |
130 DISALLOW_COPY_AND_ASSIGN(MostVisitedHandler); | 133 DISALLOW_COPY_AND_ASSIGN(MostVisitedHandler); |
131 }; | 134 }; |
132 | 135 |
133 #endif // CHROME_BROWSER_UI_WEBUI_NTP_MOST_VISITED_HANDLER_H_ | 136 #endif // CHROME_BROWSER_UI_WEBUI_NTP_MOST_VISITED_HANDLER_H_ |
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