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 CHROME_BROWSER_CHROMEOS_ARC_FILEAPI_ARC_DOCUMENTS_PROVIDER_BACKEND_DELEGATE_H_ 6 #define CHROME_BROWSER_CHROMEOS_ARC_FILEAPI_ARC_DOCUMENTS_PROVIDER_BACKEND_DELEGATE_H_ 7 8 #include <memory> 9 10 #include "base/macros.h" 11 #include "chrome/browser/chromeos/arc/fileapi/arc_documents_provider_async_file_util.h" 12 #include "chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_map.h" 13 #include "chrome/browser/chromeos/arc/fileapi/arc_documents_provider_watcher_manager.h" 14 #include "chrome/browser/chromeos/fileapi/file_system_backend_delegate.h" 15 16 namespace arc { 17 18 // Implements ARC documents provider filesystem. 19 class ArcDocumentsProviderBackendDelegate 20 : public chromeos::FileSystemBackendDelegate { 21 public: 22 ArcDocumentsProviderBackendDelegate(); 23 ~ArcDocumentsProviderBackendDelegate() override; 24 25 // FileSystemBackend::Delegate overrides. 26 storage::AsyncFileUtil* GetAsyncFileUtil( 27 storage::FileSystemType type) override; 28 std::unique_ptr<storage::FileStreamReader> CreateFileStreamReader( 29 const storage::FileSystemURL& url, 30 int64_t offset, 31 int64_t max_bytes_to_read, 32 const base::Time& expected_modification_time, 33 storage::FileSystemContext* context) override; 34 std::unique_ptr<storage::FileStreamWriter> CreateFileStreamWriter( 35 const storage::FileSystemURL& url, 36 int64_t offset, 37 storage::FileSystemContext* context) override; 38 storage::WatcherManager* GetWatcherManager( 39 storage::FileSystemType type) override; 40 void GetRedirectURLForContents(const storage::FileSystemURL& url, 41 storage::URLCallback callback) override; 42 43 private: 44 ArcDocumentsProviderAsyncFileUtil async_file_util_; 45 ArcDocumentsProviderWatcherManager watcher_manager_; 46 47 DISALLOW_COPY_AND_ASSIGN(ArcDocumentsProviderBackendDelegate); 48 }; 49 50 } // namespace arc 51 52 #endif // CHROME_BROWSER_CHROMEOS_ARC_FILEAPI_ARC_DOCUMENTS_PROVIDER_BACKEND_DELEGATE_H_ 53