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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/bookmarks/bookmark_storage.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/compiler_specific.h" | |
| 9 #include "base/file_util.h" | |
| 10 #include "base/files/file_path.h" | |
| 11 #include "base/json/json_file_value_serializer.h" | |
| 12 #include "base/json/json_string_value_serializer.h" | |
| 13 #include "base/metrics/histogram.h" | |
| 14 #include "base/sequenced_task_runner.h" | |
| 15 #include "base/time/time.h" | |
| 16 #include "chrome/browser/bookmarks/bookmark_codec.h" | |
| 17 #include "chrome/browser/bookmarks/bookmark_index.h" | |
| 18 #include "chrome/browser/bookmarks/bookmark_model.h" | |
| 19 #include "components/bookmarks/core/common/bookmark_constants.h" | |
| 20 #include "components/startup_metric_utils/startup_metric_utils.h" | |
| 21 | |
| 22 using base::TimeTicks; | |
| 23 | |
| 24 namespace { | |
| 25 | |
| 26 // Extension used for backup files (copy of main file created during startup). | |
| 27 const base::FilePath::CharType kBackupExtension[] = FILE_PATH_LITERAL("bak"); | |
| 28 | |
| 29 // How often we save. | |
| 30 const int kSaveDelayMS = 2500; | |
| 31 | |
| 32 void BackupCallback(const base::FilePath& path) { | |
| 33 base::FilePath backup_path = path.ReplaceExtension(kBackupExtension); | |
| 34 base::CopyFile(path, backup_path); | |
| 35 } | |
| 36 | |
| 37 // Adds node to the model's index, recursing through all children as well. | |
| 38 void AddBookmarksToIndex(BookmarkLoadDetails* details, | |
| 39 BookmarkNode* node) { | |
| 40 if (node->is_url()) { | |
| 41 if (node->url().is_valid()) | |
| 42 details->index()->Add(node); | |
| 43 } else { | |
| 44 for (int i = 0; i < node->child_count(); ++i) | |
| 45 AddBookmarksToIndex(details, node->GetChild(i)); | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 void LoadCallback(const base::FilePath& path, | |
| 50 BookmarkStorage* storage, | |
| 51 BookmarkLoadDetails* details, | |
| 52 base::SequencedTaskRunner* task_runner) { | |
| 53 startup_metric_utils::ScopedSlowStartupUMA | |
| 54 scoped_timer("Startup.SlowStartupBookmarksLoad"); | |
| 55 bool bookmark_file_exists = base::PathExists(path); | |
| 56 if (bookmark_file_exists) { | |
| 57 JSONFileValueSerializer serializer(path); | |
| 58 scoped_ptr<base::Value> root(serializer.Deserialize(NULL, NULL)); | |
| 59 | |
| 60 if (root.get()) { | |
| 61 // Building the index can take a while, so we do it on the background | |
| 62 // thread. | |
| 63 int64 max_node_id = 0; | |
| 64 BookmarkCodec codec; | |
| 65 TimeTicks start_time = TimeTicks::Now(); | |
| 66 codec.Decode(details->bb_node(), details->other_folder_node(), | |
| 67 details->mobile_folder_node(), &max_node_id, *root.get()); | |
| 68 details->set_max_id(std::max(max_node_id, details->max_id())); | |
| 69 details->set_computed_checksum(codec.computed_checksum()); | |
| 70 details->set_stored_checksum(codec.stored_checksum()); | |
| 71 details->set_ids_reassigned(codec.ids_reassigned()); | |
| 72 details->set_model_meta_info_map(codec.model_meta_info_map()); | |
| 73 details->set_model_sync_transaction_version( | |
| 74 codec.model_sync_transaction_version()); | |
| 75 UMA_HISTOGRAM_TIMES("Bookmarks.DecodeTime", | |
| 76 TimeTicks::Now() - start_time); | |
| 77 | |
| 78 start_time = TimeTicks::Now(); | |
| 79 AddBookmarksToIndex(details, details->bb_node()); | |
| 80 AddBookmarksToIndex(details, details->other_folder_node()); | |
| 81 AddBookmarksToIndex(details, details->mobile_folder_node()); | |
| 82 UMA_HISTOGRAM_TIMES("Bookmarks.CreateBookmarkIndexTime", | |
| 83 TimeTicks::Now() - start_time); | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 task_runner->PostTask(FROM_HERE, | |
| 88 base::Bind(&BookmarkStorage::OnLoadFinished, storage)); | |
| 89 } | |
| 90 | |
| 91 } // namespace | |
| 92 | |
| 93 // BookmarkLoadDetails --------------------------------------------------------- | |
| 94 | |
| 95 BookmarkLoadDetails::BookmarkLoadDetails( | |
| 96 BookmarkPermanentNode* bb_node, | |
| 97 BookmarkPermanentNode* other_folder_node, | |
| 98 BookmarkPermanentNode* mobile_folder_node, | |
| 99 BookmarkIndex* index, | |
| 100 int64 max_id) | |
| 101 : bb_node_(bb_node), | |
| 102 other_folder_node_(other_folder_node), | |
| 103 mobile_folder_node_(mobile_folder_node), | |
| 104 index_(index), | |
| 105 model_sync_transaction_version_( | |
| 106 BookmarkNode::kInvalidSyncTransactionVersion), | |
| 107 max_id_(max_id), | |
| 108 ids_reassigned_(false) { | |
| 109 } | |
| 110 | |
| 111 BookmarkLoadDetails::~BookmarkLoadDetails() { | |
| 112 } | |
| 113 | |
| 114 // BookmarkStorage ------------------------------------------------------------- | |
| 115 | |
| 116 BookmarkStorage::BookmarkStorage( | |
| 117 BookmarkModel* model, | |
| 118 const base::FilePath& profile_path, | |
| 119 base::SequencedTaskRunner* sequenced_task_runner) | |
| 120 : model_(model), | |
| 121 writer_(profile_path.Append(bookmarks::kBookmarksFileName), | |
| 122 sequenced_task_runner) { | |
| 123 sequenced_task_runner_ = sequenced_task_runner; | |
| 124 writer_.set_commit_interval(base::TimeDelta::FromMilliseconds(kSaveDelayMS)); | |
| 125 sequenced_task_runner_->PostTask(FROM_HERE, | |
| 126 base::Bind(&BackupCallback, writer_.path())); | |
| 127 } | |
| 128 | |
| 129 BookmarkStorage::~BookmarkStorage() { | |
| 130 if (writer_.HasPendingWrite()) | |
| 131 writer_.DoScheduledWrite(); | |
| 132 } | |
| 133 | |
| 134 void BookmarkStorage::LoadBookmarks( | |
| 135 scoped_ptr<BookmarkLoadDetails> details, | |
| 136 const scoped_refptr<base::SequencedTaskRunner>& task_runner) { | |
| 137 DCHECK(!details_.get()); | |
| 138 DCHECK(details); | |
| 139 details_ = details.Pass(); | |
| 140 sequenced_task_runner_->PostTask(FROM_HERE, | |
| 141 base::Bind(&LoadCallback, | |
| 142 writer_.path(), | |
| 143 make_scoped_refptr(this), | |
| 144 details_.get(), | |
| 145 task_runner)); | |
| 146 } | |
| 147 | |
| 148 void BookmarkStorage::ScheduleSave() { | |
| 149 writer_.ScheduleWrite(this); | |
| 150 } | |
| 151 | |
| 152 void BookmarkStorage::BookmarkModelDeleted() { | |
| 153 // We need to save now as otherwise by the time SaveNow is invoked | |
| 154 // the model is gone. | |
| 155 if (writer_.HasPendingWrite()) | |
| 156 SaveNow(); | |
| 157 model_ = NULL; | |
| 158 } | |
| 159 | |
| 160 bool BookmarkStorage::SerializeData(std::string* output) { | |
| 161 BookmarkCodec codec; | |
| 162 scoped_ptr<base::Value> value(codec.Encode(model_)); | |
| 163 JSONStringValueSerializer serializer(output); | |
| 164 serializer.set_pretty_print(true); | |
| 165 return serializer.Serialize(*(value.get())); | |
| 166 } | |
| 167 | |
| 168 void BookmarkStorage::OnLoadFinished() { | |
| 169 if (!model_) | |
| 170 return; | |
| 171 | |
| 172 model_->DoneLoading(details_.Pass()); | |
| 173 } | |
| 174 | |
| 175 bool BookmarkStorage::SaveNow() { | |
| 176 if (!model_ || !model_->loaded()) { | |
| 177 // We should only get here if we have a valid model and it's finished | |
| 178 // loading. | |
| 179 NOTREACHED(); | |
| 180 return false; | |
| 181 } | |
| 182 | |
| 183 std::string data; | |
| 184 if (!SerializeData(&data)) | |
| 185 return false; | |
| 186 writer_.WriteNow(data); | |
| 187 return true; | |
| 188 } | |
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Chromium Code Reviews
Issue 253753005:
Move bookmarks' production code to components/bookmarks (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@367656