| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_LOCAL_ROOT_DELETE_HELPER_H_ |
| #define CHROME_BROWSER_SYNC_FILE_SYSTEM_LOCAL_ROOT_DELETE_HELPER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/callback.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/platform_file.h" |
| #include "webkit/browser/fileapi/file_system_url.h" |
| |
| class GURL; |
| |
| namespace fileapi { |
| class FileSystemContext; |
| } |
| |
| namespace sync_file_system { |
| |
| class LocalFileSyncStatus; |
| |
| // A helper class to delete the root directory of a given Sync FileSystem. |
| // This could happen when AppRoot (or SyncRoot) is deleted by remote operation, |
| // and we want to delete all local files + all pending local changes in this |
| // case. |
| // |
| // Expected to be called on and will callback on IO thread. |
| class RootDeleteHelper { |
| public: |
| typedef base::Callback<void(base::PlatformFileError)> FileStatusCallback; |
| |
| RootDeleteHelper(fileapi::FileSystemContext* file_system_context, |
| LocalFileSyncStatus* sync_status, |
| const fileapi::FileSystemURL& url, |
| const FileStatusCallback& callback); |
| ~RootDeleteHelper(); |
| |
| void Run(); |
| |
| private: |
| void DidDeleteFileSystem(base::PlatformFileError error); |
| void DidResetFileChangeTracker(); |
| void DidOpenFileSystem(const GURL& root, |
| const std::string& name, |
| base::PlatformFileError error); |
| |
| scoped_refptr<fileapi::FileSystemContext> file_system_context_; |
| const fileapi::FileSystemURL url_; |
| FileStatusCallback callback_; |
| |
| // Not owned; owner of this instance owns it. |
| LocalFileSyncStatus* sync_status_; |
| |
| base::WeakPtrFactory<RootDeleteHelper> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RootDeleteHelper); |
| }; |
| |
| } // namespace sync_file_system |
| |
| #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_LOCAL_ROOT_DELETE_HELPER_H_ |