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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 #ifndef WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_SYSTEM_OPERATION_H_ | |
| 6 #define WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_SYSTEM_OPERATION_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/memory/ref_counted.h" | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "base/memory/weak_ptr.h" | |
| 13 #include "webkit/browser/fileapi/file_system_operation.h" | |
| 14 #include "webkit/browser/fileapi/file_system_operation_context.h" | |
| 15 #include "webkit/browser/fileapi/file_system_url.h" | |
| 16 #include "webkit/browser/fileapi/file_writer_delegate.h" | |
| 17 #include "webkit/browser/webkit_storage_browser_export.h" | |
| 18 #include "webkit/common/blob/scoped_file.h" | |
| 19 #include "webkit/common/quota/quota_types.h" | |
| 20 | |
| 21 namespace fileapi { | |
| 22 | |
| 23 class AsyncFileUtil; | |
| 24 class FileSystemContext; | |
| 25 class RecursiveOperationDelegate; | |
| 26 | |
| 27 // FileSystemOperation implementation for local file systems. | |
| 28 class WEBKIT_STORAGE_BROWSER_EXPORT LocalFileSystemOperation | |
| 29 : public NON_EXPORTED_BASE(FileSystemOperation), | |
| 30 public base::SupportsWeakPtr<LocalFileSystemOperation> { | |
| 31 public: | |
| 32 // NOTE: This constructor should not be called outside FileSystemBackends; | |
| 33 // instead please consider using | |
| 34 // file_system_context->CreateFileSystemOperation() to instantiate | |
| 35 // an appropriate FileSystemOperation. | |
| 36 LocalFileSystemOperation( | |
| 37 const FileSystemURL& url, | |
| 38 FileSystemContext* file_system_context, | |
| 39 scoped_ptr<FileSystemOperationContext> operation_context); | |
| 40 | |
| 41 virtual ~LocalFileSystemOperation(); | |
| 42 | |
| 43 // FileSystemOperation overrides. | |
| 44 virtual void CreateFile(const FileSystemURL& url, | |
| 45 bool exclusive, | |
| 46 const StatusCallback& callback) OVERRIDE; | |
| 47 virtual void CreateDirectory(const FileSystemURL& url, | |
| 48 bool exclusive, | |
| 49 bool recursive, | |
| 50 const StatusCallback& callback) OVERRIDE; | |
| 51 virtual void Copy(const FileSystemURL& src_url, | |
| 52 const FileSystemURL& dest_url, | |
| 53 const StatusCallback& callback) OVERRIDE; | |
| 54 virtual void Move(const FileSystemURL& src_url, | |
| 55 const FileSystemURL& dest_url, | |
| 56 const StatusCallback& callback) OVERRIDE; | |
| 57 virtual void DirectoryExists(const FileSystemURL& url, | |
| 58 const StatusCallback& callback) OVERRIDE; | |
| 59 virtual void FileExists(const FileSystemURL& url, | |
| 60 const StatusCallback& callback) OVERRIDE; | |
| 61 virtual void GetMetadata(const FileSystemURL& url, | |
| 62 const GetMetadataCallback& callback) OVERRIDE; | |
| 63 virtual void ReadDirectory(const FileSystemURL& url, | |
| 64 const ReadDirectoryCallback& callback) OVERRIDE; | |
| 65 virtual void Remove(const FileSystemURL& url, bool recursive, | |
| 66 const StatusCallback& callback) OVERRIDE; | |
| 67 virtual void Write(const FileSystemURL& url, | |
| 68 scoped_ptr<FileWriterDelegate> writer_delegate, | |
| 69 scoped_ptr<net::URLRequest> blob_request, | |
| 70 const WriteCallback& callback) OVERRIDE; | |
| 71 virtual void Truncate(const FileSystemURL& url, int64 length, | |
| 72 const StatusCallback& callback) OVERRIDE; | |
| 73 virtual void TouchFile(const FileSystemURL& url, | |
| 74 const base::Time& last_access_time, | |
| 75 const base::Time& last_modified_time, | |
| 76 const StatusCallback& callback) OVERRIDE; | |
| 77 virtual void OpenFile(const FileSystemURL& url, | |
| 78 int file_flags, | |
| 79 base::ProcessHandle peer_handle, | |
| 80 const OpenFileCallback& callback) OVERRIDE; | |
| 81 virtual void Cancel(const StatusCallback& cancel_callback) OVERRIDE; | |
| 82 virtual LocalFileSystemOperation* AsLocalFileSystemOperation() OVERRIDE; | |
| 83 virtual void CreateSnapshotFile( | |
| 84 const FileSystemURL& path, | |
| 85 const SnapshotFileCallback& callback) OVERRIDE; | |
| 86 | |
| 87 // Copies in a single file from a different filesystem. | |
| 88 // | |
| 89 // This returns: | |
| 90 // - PLATFORM_FILE_ERROR_NOT_FOUND if |src_file_path| | |
| 91 // or the parent directory of |dest_url| does not exist. | |
| 92 // - PLATFORM_FILE_ERROR_INVALID_OPERATION if |dest_url| exists and | |
| 93 // is not a file. | |
| 94 // - PLATFORM_FILE_ERROR_FAILED if |dest_url| does not exist and | |
| 95 // its parent path is a file. | |
| 96 // | |
| 97 virtual void CopyInForeignFile(const base::FilePath& src_local_disk_path, | |
| 98 const FileSystemURL& dest_url, | |
| 99 const StatusCallback& callback); | |
| 100 | |
| 101 // Removes a single file. | |
| 102 // | |
| 103 // This returns: | |
| 104 // - PLATFORM_FILE_ERROR_NOT_FOUND if |url| does not exist. | |
| 105 // - PLATFORM_FILE_ERROR_NOT_A_FILE if |url| is not a file. | |
| 106 // | |
| 107 void RemoveFile(const FileSystemURL& url, | |
| 108 const StatusCallback& callback); | |
| 109 | |
| 110 // Removes a single empty directory. | |
| 111 // | |
| 112 // This returns: | |
| 113 // - PLATFORM_FILE_ERROR_NOT_FOUND if |url| does not exist. | |
| 114 // - PLATFORM_FILE_ERROR_NOT_A_DIRECTORY if |url| is not a directory. | |
| 115 // - PLATFORM_FILE_ERROR_NOT_EMPTY if |url| is not empty. | |
| 116 // | |
| 117 void RemoveDirectory(const FileSystemURL& url, | |
| 118 const StatusCallback& callback); | |
| 119 | |
| 120 // Copies a file from |src_url| to |dest_url|. | |
| 121 // This must be called for files that belong to the same filesystem | |
| 122 // (i.e. type() and origin() of the |src_url| and |dest_url| must match). | |
| 123 // | |
| 124 // This returns: | |
| 125 // - PLATFORM_FILE_ERROR_NOT_FOUND if |src_url| | |
| 126 // or the parent directory of |dest_url| does not exist. | |
| 127 // - PLATFORM_FILE_ERROR_NOT_A_FILE if |src_url| exists but is not a file. | |
| 128 // - PLATFORM_FILE_ERROR_INVALID_OPERATION if |dest_url| exists and | |
| 129 // is not a file. | |
| 130 // - PLATFORM_FILE_ERROR_FAILED if |dest_url| does not exist and | |
| 131 // its parent path is a file. | |
| 132 // | |
| 133 void CopyFileLocal(const FileSystemURL& src_url, | |
| 134 const FileSystemURL& dest_url, | |
| 135 const StatusCallback& callback); | |
| 136 | |
| 137 // Moves a local file from |src_url| to |dest_url|. | |
| 138 // This must be called for files that belong to the same filesystem | |
| 139 // (i.e. type() and origin() of the |src_url| and |dest_url| must match). | |
| 140 // | |
| 141 // This returns: | |
| 142 // - PLATFORM_FILE_ERROR_NOT_FOUND if |src_url| | |
| 143 // or the parent directory of |dest_url| does not exist. | |
| 144 // - PLATFORM_FILE_ERROR_NOT_A_FILE if |src_url| exists but is not a file. | |
| 145 // - PLATFORM_FILE_ERROR_INVALID_OPERATION if |dest_url| exists and | |
| 146 // is not a file. | |
| 147 // - PLATFORM_FILE_ERROR_FAILED if |dest_url| does not exist and | |
| 148 // its parent path is a file. | |
| 149 // | |
| 150 void MoveFileLocal(const FileSystemURL& src_url, | |
| 151 const FileSystemURL& dest_url, | |
| 152 const StatusCallback& callback); | |
| 153 | |
| 154 // Synchronously gets the platform path for the given |url|. | |
| 155 // This may fail if |file_system_context| returns NULL on GetFileUtil(). | |
| 156 // In such a case, base::PLATFORM_FILE_ERROR_INVALID_OPERATION will be | |
| 157 // returned. | |
| 158 base::PlatformFileError SyncGetPlatformPath(const FileSystemURL& url, | |
| 159 base::FilePath* platform_path); | |
| 160 | |
| 161 FileSystemContext* file_system_context() const { | |
| 162 return file_system_context_.get(); | |
| 163 } | |
| 164 | |
| 165 protected: | |
| 166 // Queries the quota and usage and then runs the given |task|. | |
| 167 // If an error occurs during the quota query it runs |error_callback| instead. | |
| 168 void GetUsageAndQuotaThenRunTask( | |
| 169 const FileSystemURL& url, | |
| 170 const base::Closure& task, | |
| 171 const base::Closure& error_callback); | |
| 172 | |
| 173 // Called after the quota info is obtained from the quota manager | |
| 174 // (which is triggered by GetUsageAndQuotaThenRunTask). | |
| 175 // Sets the quota info in the operation_context_ and then runs the given | |
| 176 // |task| if the returned quota status is successful, otherwise runs | |
| 177 // |error_callback|. | |
| 178 void DidGetUsageAndQuotaAndRunTask( | |
| 179 const base::Closure& task, | |
| 180 const base::Closure& error_callback, | |
| 181 quota::QuotaStatusCode status, | |
| 182 int64 usage, int64 quota); | |
| 183 | |
| 184 // The 'body' methods that perform the actual work (i.e. posting the | |
| 185 // file task on proxy_) after the quota check. | |
| 186 void DoCreateFile(const FileSystemURL& url, | |
| 187 const StatusCallback& callback, bool exclusive); | |
| 188 void DoCreateDirectory(const FileSystemURL& url, | |
| 189 const StatusCallback& callback, | |
| 190 bool exclusive, | |
| 191 bool recursive); | |
| 192 void DoCopyFileLocal(const FileSystemURL& src, | |
| 193 const FileSystemURL& dest, | |
| 194 const StatusCallback& callback); | |
| 195 void DoMoveFileLocal(const FileSystemURL& src, | |
| 196 const FileSystemURL& dest, | |
| 197 const StatusCallback& callback); | |
| 198 void DoCopyInForeignFile(const base::FilePath& src_local_disk_file_path, | |
| 199 const FileSystemURL& dest, | |
| 200 const StatusCallback& callback); | |
| 201 void DoTruncate(const FileSystemURL& url, | |
| 202 const StatusCallback& callback, int64 length); | |
| 203 void DoOpenFile(const FileSystemURL& url, | |
| 204 const OpenFileCallback& callback, int file_flags); | |
| 205 | |
| 206 // Callback for CreateFile for |exclusive|=true cases. | |
| 207 void DidEnsureFileExistsExclusive(const StatusCallback& callback, | |
| 208 base::PlatformFileError rv, | |
| 209 bool created); | |
| 210 | |
| 211 // Callback for CreateFile for |exclusive|=false cases. | |
| 212 void DidEnsureFileExistsNonExclusive(const StatusCallback& callback, | |
| 213 base::PlatformFileError rv, | |
| 214 bool created); | |
| 215 | |
| 216 void DidFinishOperation(const StatusCallback& callback, | |
| 217 base::PlatformFileError rv); | |
| 218 void DidDirectoryExists(const StatusCallback& callback, | |
| 219 base::PlatformFileError rv, | |
| 220 const base::PlatformFileInfo& file_info); | |
| 221 void DidFileExists(const StatusCallback& callback, | |
| 222 base::PlatformFileError rv, | |
| 223 const base::PlatformFileInfo& file_info); | |
| 224 void DidDeleteRecursively(const FileSystemURL& url, | |
| 225 const StatusCallback& callback, | |
| 226 base::PlatformFileError rv); | |
| 227 void DidWrite(const FileSystemURL& url, | |
| 228 const WriteCallback& callback, | |
| 229 base::PlatformFileError rv, | |
| 230 int64 bytes, | |
| 231 FileWriterDelegate::WriteProgressStatus write_status); | |
| 232 void DidOpenFile(const OpenFileCallback& callback, | |
| 233 base::PlatformFileError rv, | |
| 234 base::PassPlatformFile file, | |
| 235 const base::Closure& on_close_callback); | |
| 236 | |
| 237 // Used only for internal assertions. | |
| 238 // Returns false if there's another inflight pending operation. | |
| 239 bool SetPendingOperationType(OperationType type); | |
| 240 | |
| 241 scoped_refptr<FileSystemContext> file_system_context_; | |
| 242 | |
| 243 scoped_ptr<FileSystemOperationContext> operation_context_; | |
| 244 AsyncFileUtil* async_file_util_; // Not owned. | |
| 245 | |
| 246 scoped_ptr<FileWriterDelegate> file_writer_delegate_; | |
| 247 scoped_ptr<RecursiveOperationDelegate> recursive_operation_delegate_; | |
| 248 | |
| 249 StatusCallback cancel_callback_; | |
| 250 | |
| 251 // Used only by OpenFile, in order to clone the file handle back to the | |
| 252 // requesting process. | |
| 253 base::ProcessHandle peer_handle_; | |
| 254 | |
| 255 // A flag to make sure we call operation only once per instance. | |
| 256 OperationType pending_operation_; | |
| 257 | |
| 258 DISALLOW_COPY_AND_ASSIGN(LocalFileSystemOperation); | |
| 259 }; | |
| 260 | |
| 261 } // namespace fileapi | |
| 262 | |
| 263 #endif // WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_SYSTEM_OPERATION_H_ | |
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Chromium Code Reviews
Issue 21370003:
Rename fileapi::LocalFileSystemOperation to FileSystemOperationImpl. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src