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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 IOS_CHROME_BROWSER_READING_LIST_READING_LIST_MODEL_H_ | 5 #ifndef IOS_CHROME_BROWSER_READING_LIST_READING_LIST_MODEL_H_ |
6 #define IOS_CHROME_BROWSER_READING_LIST_READING_LIST_MODEL_H_ | 6 #define IOS_CHROME_BROWSER_READING_LIST_READING_LIST_MODEL_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/callback.h" | 12 #include "base/callback.h" |
13 #include "base/observer_list.h" | 13 #include "base/observer_list.h" |
14 #include "ios/chrome/browser/reading_list/reading_list_entry.h" | 14 #include "ios/chrome/browser/reading_list/reading_list_entry.h" |
15 #include "ios/chrome/browser/reading_list/reading_list_model_observer.h" | 15 #include "ios/chrome/browser/reading_list/reading_list_model_observer.h" |
16 | 16 |
17 class GURL; | 17 class GURL; |
18 class ReadingListModel; | 18 class ReadingListModel; |
| 19 class ReadingListStore; |
19 | 20 |
20 namespace ios { | 21 namespace ios { |
21 class ChromeBrowserState; | 22 class ChromeBrowserState; |
22 } | 23 } |
23 | 24 |
| 25 namespace syncer { |
| 26 class SyncableService; |
| 27 } |
| 28 |
24 // The reading list model contains two list of entries: one of unread urls, the | 29 // The reading list model contains two list of entries: one of unread urls, the |
25 // other of read ones. This object should only be accessed from one thread | 30 // other of read ones. This object should only be accessed from one thread |
26 // (Usually the main thread). The observers callbacks are also sent on the main | 31 // (Usually the main thread). The observers callbacks are also sent on the main |
27 // thread. | 32 // thread. |
28 class ReadingListModel { | 33 class ReadingListModel { |
29 public: | 34 public: |
30 class ScopedReadingListBatchUpdate; | 35 class ScopedReadingListBatchUpdate; |
31 // Returns true if the model finished loading. Until this returns true the | 36 // Returns true if the model finished loading. Until this returns true the |
32 // reading list is not ready for use. | 37 // reading list is not ready for use. |
33 virtual bool loaded() const = 0; | 38 virtual bool loaded() const = 0; |
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111 ReadingListModel(); | 116 ReadingListModel(); |
112 virtual ~ReadingListModel(); | 117 virtual ~ReadingListModel(); |
113 | 118 |
114 // The observers. | 119 // The observers. |
115 base::ObserverList<ReadingListModelObserver> observers_; | 120 base::ObserverList<ReadingListModelObserver> observers_; |
116 | 121 |
117 // Tells model that batch updates have completed. Called from | 122 // Tells model that batch updates have completed. Called from |
118 // ReadingListBatchUpdateToken dtor. | 123 // ReadingListBatchUpdateToken dtor. |
119 virtual void EndBatchUpdates(); | 124 virtual void EndBatchUpdates(); |
120 | 125 |
| 126 // Called when model is entering batch update mode. |
| 127 virtual void EnteringBatchUpdates(); |
| 128 |
| 129 // Called when model is leaving batch update mode. |
| 130 virtual void LeavingBatchUpdates(); |
| 131 |
121 private: | 132 private: |
122 unsigned int current_batch_updates_count_; | 133 unsigned int current_batch_updates_count_; |
123 | 134 |
124 DISALLOW_COPY_AND_ASSIGN(ReadingListModel); | 135 DISALLOW_COPY_AND_ASSIGN(ReadingListModel); |
125 }; | 136 }; |
126 | 137 |
127 #endif // IOS_CHROME_BROWSER_READING_LIST_READING_LIST_MODEL_H_ | 138 #endif // IOS_CHROME_BROWSER_READING_LIST_READING_LIST_MODEL_H_ |
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