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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_EXTENSIONS_EXTENSION_SORTING_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_SORTING_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SORTING_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SORTING_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
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86 | 86 |
87 // Removes the ordinal values for an app. | 87 // Removes the ordinal values for an app. |
88 void ClearOrdinals(const std::string& extension_id); | 88 void ClearOrdinals(const std::string& extension_id); |
89 | 89 |
90 // Convert the page StringOrdinal value to its integer equivalent. This takes | 90 // Convert the page StringOrdinal value to its integer equivalent. This takes |
91 // O(# of apps) worst-case. | 91 // O(# of apps) worst-case. |
92 int PageStringOrdinalAsInteger(const StringOrdinal& page_ordinal) const; | 92 int PageStringOrdinalAsInteger(const StringOrdinal& page_ordinal) const; |
93 | 93 |
94 // Converts the page index integer to its StringOrdinal equivalent. This takes | 94 // Converts the page index integer to its StringOrdinal equivalent. This takes |
95 // O(# of apps) worst-case. | 95 // O(# of apps) worst-case. |
96 StringOrdinal PageIntegerAsStringOrdinal(size_t page_index) const; | 96 StringOrdinal PageIntegerAsStringOrdinal(size_t page_index); |
97 | 97 |
98 private: | 98 private: |
99 // Unit tests. | 99 // Unit tests. |
100 friend class ExtensionSortingGetMinOrMaxAppLaunchOrdinalsOnPage; | 100 friend class ExtensionSortingGetMinOrMaxAppLaunchOrdinalsOnPage; |
101 friend class ExtensionSortingInitializeWithNoApps; | 101 friend class ExtensionSortingInitializeWithNoApps; |
102 friend class ExtensionSortingPageOrdinalMapping; | 102 friend class ExtensionSortingPageOrdinalMapping; |
103 | 103 |
104 // An enum used by GetMinOrMaxAppLaunchOrdinalsOnPage to specify which | 104 // An enum used by GetMinOrMaxAppLaunchOrdinalsOnPage to specify which |
105 // value should be returned. | 105 // value should be returned. |
106 enum AppLaunchOrdinalReturn {MIN_ORDINAL, MAX_ORDINAL}; | 106 enum AppLaunchOrdinalReturn {MIN_ORDINAL, MAX_ORDINAL}; |
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122 // Migrates the app launcher and page index values. | 122 // Migrates the app launcher and page index values. |
123 void MigrateAppIndex(const ExtensionPrefs::ExtensionIdSet& extension_ids); | 123 void MigrateAppIndex(const ExtensionPrefs::ExtensionIdSet& extension_ids); |
124 | 124 |
125 // Called to add a new mapping value for |extension_id| with a page ordinal | 125 // Called to add a new mapping value for |extension_id| with a page ordinal |
126 // of |page_ordinal| and a app launch ordinal of |app_launch_ordinal|. This | 126 // of |page_ordinal| and a app launch ordinal of |app_launch_ordinal|. This |
127 // works with valid and invalid StringOrdinals. | 127 // works with valid and invalid StringOrdinals. |
128 void AddOrdinalMapping(const std::string& extension_id, | 128 void AddOrdinalMapping(const std::string& extension_id, |
129 const StringOrdinal& page_ordinal, | 129 const StringOrdinal& page_ordinal, |
130 const StringOrdinal& app_launch_ordinal); | 130 const StringOrdinal& app_launch_ordinal); |
131 | 131 |
| 132 // Ensures |ntp_ordinal_map_| is of |required_size| number of entries. |
| 133 void CreateOrdinalsIfNecessary(size_t required_size); |
| 134 |
132 // Removes the mapping for |extension_id| with a page ordinal of | 135 // Removes the mapping for |extension_id| with a page ordinal of |
133 // |page_ordinal| and a app launch ordinal of |app_launch_ordinal|. If there | 136 // |page_ordinal| and a app launch ordinal of |app_launch_ordinal|. If there |
134 // is not matching map, nothing happens. This works with valid and invalid | 137 // is not matching map, nothing happens. This works with valid and invalid |
135 // StringOrdinals. | 138 // StringOrdinals. |
136 void RemoveOrdinalMapping(const std::string& extension_id, | 139 void RemoveOrdinalMapping(const std::string& extension_id, |
137 const StringOrdinal& page_ordinal, | 140 const StringOrdinal& page_ordinal, |
138 const StringOrdinal& app_launch_ordinal); | 141 const StringOrdinal& app_launch_ordinal); |
139 | 142 |
140 // Syncs the extension if needed. It is an error to call this if the | 143 // Syncs the extension if needed. It is an error to call this if the |
141 // extension is not an application. | 144 // extension is not an application. |
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159 // The StringOrdinal is the page ordinal and the AppLaunchOrdinalMap is the | 162 // The StringOrdinal is the page ordinal and the AppLaunchOrdinalMap is the |
160 // contents of that page. | 163 // contents of that page. |
161 typedef std::map< | 164 typedef std::map< |
162 StringOrdinal, AppLaunchOrdinalMap, StringOrdinalLessThan> PageOrdinalMap; | 165 StringOrdinal, AppLaunchOrdinalMap, StringOrdinalLessThan> PageOrdinalMap; |
163 PageOrdinalMap ntp_ordinal_map_; | 166 PageOrdinalMap ntp_ordinal_map_; |
164 | 167 |
165 DISALLOW_COPY_AND_ASSIGN(ExtensionSorting); | 168 DISALLOW_COPY_AND_ASSIGN(ExtensionSorting); |
166 }; | 169 }; |
167 | 170 |
168 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_SORTING_H_ | 171 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_SORTING_H_ |
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