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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_NEW_TAB_PAGE_HANDLER_H_ | 5 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_PAGE_HANDLER_H_ |
6 #define CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_PAGE_HANDLER_H_ | 6 #define CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_PAGE_HANDLER_H_ |
7 | 7 |
8 #include "base/memory/weak_ptr.h" | 8 #include "base/memory/weak_ptr.h" |
9 #include "base/values.h" | 9 #include "base/values.h" |
10 #include "chrome/browser/chrome_notification_types.h" | 10 #include "chrome/browser/chrome_notification_types.h" |
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66 | 66 |
67 // The purpose of this enum is to track which page on the NTP is showing. | 67 // The purpose of this enum is to track which page on the NTP is showing. |
68 // The lower 10 bits of kNtpShownPage are used for the index within the page | 68 // The lower 10 bits of kNtpShownPage are used for the index within the page |
69 // group, and the rest of the bits are used for the page group ID (defined | 69 // group, and the rest of the bits are used for the page group ID (defined |
70 // here). | 70 // here). |
71 static const int kPageIdOffset = 10; | 71 static const int kPageIdOffset = 10; |
72 enum { | 72 enum { |
73 INDEX_MASK = (1 << kPageIdOffset) - 1, | 73 INDEX_MASK = (1 << kPageIdOffset) - 1, |
74 MOST_VISITED_PAGE_ID = 1 << kPageIdOffset, | 74 MOST_VISITED_PAGE_ID = 1 << kPageIdOffset, |
75 APPS_PAGE_ID = 2 << kPageIdOffset, | 75 APPS_PAGE_ID = 2 << kPageIdOffset, |
76 BOOKMARKS_PAGE_ID = 3 << kPageIdOffset, | 76 LAST_PAGE_ID = APPS_PAGE_ID, |
77 SUGGESTIONS_PAGE_ID = 4 << kPageIdOffset, | |
78 LAST_PAGE_ID = SUGGESTIONS_PAGE_ID | |
79 }; | 77 }; |
80 static const int kHistogramEnumerationMax = | 78 static const int kHistogramEnumerationMax = |
81 (LAST_PAGE_ID >> kPageIdOffset) + 1; | 79 (LAST_PAGE_ID >> kPageIdOffset) + 1; |
82 | 80 |
83 // Helper to send out promo resource change notification. | 81 // Helper to send out promo resource change notification. |
84 void Notify(chrome::NotificationType notification_type); | 82 void Notify(chrome::NotificationType notification_type); |
85 | 83 |
86 DISALLOW_COPY_AND_ASSIGN(NewTabPageHandler); | 84 DISALLOW_COPY_AND_ASSIGN(NewTabPageHandler); |
87 }; | 85 }; |
88 | 86 |
89 #endif // CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_PAGE_HANDLER_H_ | 87 #endif // CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_PAGE_HANDLER_H_ |
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