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| 1 // Copyright 2013 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 CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_ENTRY_REVERT_PERFORMER_H_ | |
| 6 #define CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_ENTRY_REVERT_PERFORMER_H_ | |
| 7 | |
| 8 #include <set> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/memory/ref_counted.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "base/memory/weak_ptr.h" | |
| 14 #include "base/threading/thread_checker.h" | |
| 15 #include "components/drive/file_errors.h" | |
| 16 #include "google_apis/drive/drive_api_error_codes.h" | |
| 17 | |
| 18 namespace base { | |
| 19 class SequencedTaskRunner; | |
| 20 } // namespace base | |
| 21 | |
| 22 namespace google_apis { | |
| 23 class FileResource; | |
| 24 } // namespace google_apis | |
| 25 | |
| 26 namespace drive { | |
| 27 | |
| 28 class FileChange; | |
| 29 class JobScheduler; | |
| 30 class ResourceEntry; | |
| 31 struct ClientContext; | |
| 32 | |
| 33 namespace file_system { | |
| 34 class OperationDelegate; | |
| 35 } // namespace file_system | |
| 36 | |
| 37 namespace internal { | |
| 38 | |
| 39 class ResourceMetadata; | |
| 40 | |
| 41 // This class is responsible to revert local changes of an entry. | |
| 42 class EntryRevertPerformer { | |
| 43 public: | |
| 44 EntryRevertPerformer(base::SequencedTaskRunner* blocking_task_runner, | |
| 45 file_system::OperationDelegate* delegate, | |
| 46 JobScheduler* scheduler, | |
| 47 ResourceMetadata* metadata); | |
| 48 ~EntryRevertPerformer(); | |
| 49 | |
| 50 // Requests the server for metadata of the entry specified by |local_id| | |
| 51 // and overwrites the locally stored entry with it. | |
| 52 // Invokes |callback| when finished with the result of the operation. | |
| 53 // |callback| must not be null. | |
| 54 void RevertEntry(const std::string& local_id, | |
| 55 const ClientContext& context, | |
| 56 const FileOperationCallback& callback); | |
| 57 | |
| 58 private: | |
| 59 // Part of RevertEntry(). Called after local metadata look up. | |
| 60 void RevertEntryAfterPrepare(const ClientContext& context, | |
| 61 const FileOperationCallback& callback, | |
| 62 scoped_ptr<ResourceEntry> entry, | |
| 63 FileError error); | |
| 64 | |
| 65 // Part of RevertEntry(). Called after GetFileResource is completed. | |
| 66 void RevertEntryAfterGetFileResource( | |
| 67 const FileOperationCallback& callback, | |
| 68 const std::string& local_id, | |
| 69 google_apis::DriveApiErrorCode status, | |
| 70 scoped_ptr<google_apis::FileResource> entry); | |
| 71 | |
| 72 // Part of RevertEntry(). Called after local metadata is updated. | |
| 73 void RevertEntryAfterFinishRevert(const FileOperationCallback& callback, | |
| 74 const FileChange* changed_files, | |
| 75 FileError error); | |
| 76 | |
| 77 scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_; | |
| 78 file_system::OperationDelegate* delegate_; | |
| 79 JobScheduler* scheduler_; | |
| 80 ResourceMetadata* metadata_; | |
| 81 | |
| 82 base::ThreadChecker thread_checker_; | |
| 83 | |
| 84 // Note: This should remain the last member so it'll be destroyed and | |
| 85 // invalidate the weak pointers before any other members are destroyed. | |
| 86 base::WeakPtrFactory<EntryRevertPerformer> weak_ptr_factory_; | |
| 87 DISALLOW_COPY_AND_ASSIGN(EntryRevertPerformer); | |
| 88 }; | |
| 89 | |
| 90 } // namespace internal | |
| 91 } // namespace drive | |
| 92 | |
| 93 #endif // CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_ENTRY_REVERT_PERFORMER_H_ | |
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Chromium Code Reviews
Issue 1314803004:
Move chrome/browser/chromeos/drive/file_system.cc (+deps) into components/drive. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master