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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 #include "components/filesystem/public/cpp/prefs/filesystem_json_pref_store.h" | 5 #include "components/filesystem/public/cpp/prefs/filesystem_json_pref_store.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <utility> | 10 #include <utility> |
11 | 11 |
12 #include "base/bind.h" | 12 #include "base/bind.h" |
13 #include "base/callback.h" | 13 #include "base/callback.h" |
14 #include "base/files/file_path.h" | 14 #include "base/files/file_path.h" |
15 #include "base/files/file_util.h" | 15 #include "base/files/file_util.h" |
16 #include "base/json/json_string_value_serializer.h" | 16 #include "base/json/json_string_value_serializer.h" |
17 #include "base/logging.h" | 17 #include "base/logging.h" |
18 #include "base/macros.h" | 18 #include "base/macros.h" |
19 #include "base/memory/ref_counted.h" | 19 #include "base/memory/ref_counted.h" |
20 #include "base/strings/string_number_conversions.h" | 20 #include "base/strings/string_number_conversions.h" |
21 #include "base/strings/string_util.h" | 21 #include "base/strings/string_util.h" |
22 #include "base/task_runner_util.h" | 22 #include "base/task_runner_util.h" |
23 #include "base/time/default_clock.h" | 23 #include "base/time/default_clock.h" |
24 #include "base/values.h" | 24 #include "base/values.h" |
25 #include "components/prefs/pref_filter.h" | 25 #include "components/prefs/pref_filter.h" |
26 #include "mojo/common/common_type_converters.h" | |
27 | 26 |
28 namespace filesystem { | 27 namespace filesystem { |
29 | 28 |
30 // Result returned from internal read tasks. | 29 // Result returned from internal read tasks. |
31 struct FilesystemJsonPrefStore::ReadResult { | 30 struct FilesystemJsonPrefStore::ReadResult { |
32 public: | 31 public: |
33 ReadResult(); | 32 ReadResult(); |
34 ~ReadResult(); | 33 ~ReadResult(); |
35 | 34 |
36 std::unique_ptr<base::Value> value; | 35 std::unique_ptr<base::Value> value; |
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359 | 358 |
360 if (pref_filter_) | 359 if (pref_filter_) |
361 pref_filter_->FilterSerializeData(prefs_.get()); | 360 pref_filter_->FilterSerializeData(prefs_.get()); |
362 | 361 |
363 std::string output; | 362 std::string output; |
364 JSONStringValueSerializer serializer(&output); | 363 JSONStringValueSerializer serializer(&output); |
365 serializer.set_pretty_print(false); | 364 serializer.set_pretty_print(false); |
366 serializer.Serialize(*prefs_); | 365 serializer.Serialize(*prefs_); |
367 | 366 |
368 directory_->WriteFile( | 367 directory_->WriteFile( |
369 "tmp", | 368 "tmp", std::vector<uint8_t>(output.begin(), output.end()), |
370 mojo::Array<uint8_t>::From(output), | |
371 Bind(&FilesystemJsonPrefStore::OnTempFileWrite, AsWeakPtr())); | 369 Bind(&FilesystemJsonPrefStore::OnTempFileWrite, AsWeakPtr())); |
372 } | 370 } |
373 | 371 |
374 void FilesystemJsonPrefStore::OnTempFileWrite(mojom::FileError err) { | 372 void FilesystemJsonPrefStore::OnTempFileWrite(mojom::FileError err) { |
375 // TODO(erg): Error handling. The JsonPrefStore code assumes that writing the | 373 // TODO(erg): Error handling. The JsonPrefStore code assumes that writing the |
376 // file can never fail. | 374 // file can never fail. |
377 CHECK_EQ(mojom::FileError::OK, err); | 375 CHECK_EQ(mojom::FileError::OK, err); |
378 | 376 |
379 directory_->Rename( | 377 directory_->Rename( |
380 "tmp", path_, | 378 "tmp", path_, |
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416 reinterpret_cast<char*>(&contents.front()), contents.size())); | 414 reinterpret_cast<char*>(&contents.front()), contents.size())); |
417 read_result->value = deserializer.Deserialize(&error_code, &error_msg); | 415 read_result->value = deserializer.Deserialize(&error_code, &error_msg); |
418 read_result->error = HandleReadErrors(read_result->value.get()); | 416 read_result->error = HandleReadErrors(read_result->value.get()); |
419 } | 417 } |
420 } | 418 } |
421 | 419 |
422 OnFileRead(std::move(read_result)); | 420 OnFileRead(std::move(read_result)); |
423 } | 421 } |
424 | 422 |
425 } // namespace filesystem | 423 } // namespace filesystem |
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