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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef COMPONENTS_READING_LIST_READING_LIST_MODEL_IMPL_H_ | |
| 6 #define COMPONENTS_READING_LIST_READING_LIST_MODEL_IMPL_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "components/keyed_service/core/keyed_service.h" | |
| 11 #include "components/reading_list/reading_list_entry.h" | |
| 12 #include "components/reading_list/reading_list_model.h" | |
| 13 #include "components/reading_list/reading_list_model_storage.h" | |
| 14 #include "components/reading_list/reading_list_store_delegate.h" | |
| 15 | |
| 16 class PrefService; | |
| 17 | |
| 18 // Concrete implementation of a reading list model using in memory lists. | |
| 19 class ReadingListModelImpl : public ReadingListModel, | |
| 20 public ReadingListStoreDelegate, | |
| 21 public KeyedService { | |
| 22 public: | |
| 23 // Initialize a ReadingListModelImpl to load and save data in | |
| 24 // |persistence_layer|. | |
| 25 ReadingListModelImpl(std::unique_ptr<ReadingListModelStorage> storage_layer, | |
| 26 PrefService* pref_service); | |
| 27 | |
| 28 // Initialize a ReadingListModelImpl without persistence. Data will not be | |
| 29 // persistent across sessions. | |
| 30 ReadingListModelImpl(); | |
| 31 | |
| 32 syncer::ModelTypeSyncBridge* GetModelTypeSyncBridge() override; | |
| 33 | |
| 34 ~ReadingListModelImpl() override; | |
| 35 | |
| 36 void StoreLoaded(std::unique_ptr<ReadingListEntries> unread, | |
| 37 std::unique_ptr<ReadingListEntries> read) override; | |
| 38 | |
| 39 // KeyedService implementation. | |
| 40 void Shutdown() override; | |
| 41 | |
| 42 // ReadingListModel implementation. | |
| 43 bool loaded() const override; | |
| 44 | |
| 45 size_t unread_size() const override; | |
| 46 size_t read_size() const override; | |
| 47 | |
| 48 bool HasUnseenEntries() const override; | |
| 49 void ResetUnseenEntries() override; | |
| 50 | |
| 51 const ReadingListEntry& GetUnreadEntryAtIndex(size_t index) const override; | |
| 52 const ReadingListEntry& GetReadEntryAtIndex(size_t index) const override; | |
| 53 | |
| 54 const ReadingListEntry* GetEntryFromURL(const GURL& gurl, | |
| 55 bool* read) const override; | |
| 56 | |
| 57 bool CallbackEntryURL( | |
| 58 const GURL& url, | |
| 59 base::Callback<void(const ReadingListEntry&)> callback) const override; | |
| 60 | |
| 61 void RemoveEntryByURL(const GURL& url) override; | |
| 62 | |
| 63 const ReadingListEntry& AddEntry(const GURL& url, | |
| 64 const std::string& title) override; | |
| 65 | |
| 66 void MarkReadByURL(const GURL& url) override; | |
| 67 void MarkUnreadByURL(const GURL& url) override; | |
| 68 | |
| 69 void SetEntryTitle(const GURL& url, const std::string& title) override; | |
| 70 void SetEntryDistilledPath(const GURL& url, | |
| 71 const base::FilePath& distilled_path) override; | |
| 72 void SetEntryDistilledState( | |
| 73 const GURL& url, | |
| 74 ReadingListEntry::DistillationState state) override; | |
| 75 | |
| 76 void SyncAddEntry(std::unique_ptr<ReadingListEntry> entry, | |
| 77 bool read) override; | |
| 78 ReadingListEntry* SyncMergeEntry(std::unique_ptr<ReadingListEntry> entry, | |
| 79 bool read) override; | |
| 80 void SyncRemoveEntry(const GURL& url) override; | |
| 81 | |
| 82 std::unique_ptr<ReadingListModel::ScopedReadingListBatchUpdate> | |
| 83 CreateBatchToken() override; | |
| 84 | |
| 85 // Helper class that is used to scope batch updates. | |
| 86 class ScopedReadingListBatchUpdate | |
| 87 : public ReadingListModel::ScopedReadingListBatchUpdate { | |
| 88 public: | |
| 89 explicit ScopedReadingListBatchUpdate(ReadingListModelImpl* model); | |
| 90 | |
| 91 ~ScopedReadingListBatchUpdate() override; | |
| 92 | |
| 93 private: | |
| 94 std::unique_ptr<ReadingListModelStorage::ScopedBatchUpdate> storage_token_; | |
| 95 | |
| 96 DISALLOW_COPY_AND_ASSIGN(ScopedReadingListBatchUpdate); | |
| 97 }; | |
| 98 | |
| 99 protected: | |
| 100 void EnteringBatchUpdates() override; | |
| 101 void LeavingBatchUpdates() override; | |
| 102 | |
| 103 private: | |
| 104 // Sets/Loads the pref flag that indicate if some entries have never been seen | |
| 105 // since being added to the store. | |
| 106 void SetPersistentHasUnseen(bool has_unseen); | |
| 107 bool GetPersistentHasUnseen(); | |
| 108 | |
| 109 // Returns a mutable pointer to the entry with URL |gurl|. Return nullptr if | |
| 110 // no entry is found. If an entry is found, |read| is set to the read status | |
| 111 // of the entry. | |
| 112 ReadingListEntry* GetMutableEntryFromURL(const GURL& gurl, bool* read) const; | |
| 113 | |
| 114 // Sorts the entries in |read_| and |unread_| according to their |UpdateTime|. | |
| 115 void SortEntries(); | |
| 116 | |
| 117 // Returns the |storage_layer_| of the model. | |
| 118 ReadingListModelStorage* StorageLayer(); | |
| 119 | |
| 120 // Remove |entry| from the |entries| vector and calls the Move notifications | |
| 121 // on observers. | |
| 122 void MoveEntryFrom(ReadingListEntries* entries, | |
| 123 const ReadingListEntry& entry, | |
| 124 bool read); | |
| 125 | |
| 126 // Remove entry |url| and propagate to store if |from_sync| is false. | |
| 127 void RemoveEntryByURLImpl(const GURL& url, bool from_sync); | |
| 128 | |
| 129 std::unique_ptr<ReadingListEntries> unread_; | |
| 130 std::unique_ptr<ReadingListEntries> read_; | |
| 131 std::unique_ptr<ReadingListModelStorage> storage_layer_; | |
| 132 PrefService* pref_service_; | |
| 133 bool has_unseen_; | |
| 134 bool loaded_; | |
| 135 base::WeakPtrFactory<ReadingListModelImpl> weak_ptr_factory_; | |
| 136 DISALLOW_COPY_AND_ASSIGN(ReadingListModelImpl); | |
| 137 }; | |
| 138 | |
| 139 #endif // COMPONENTS_READING_LIST_READING_LIST_MODEL_IMPL_H_ | |
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Chromium Code Reviews
Issue 2511723002:
Enable RL sync by default on iOS (Closed)
