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| 1 // Copyright (c) 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 #include "webkit/fileapi/async_file_util_adapter.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/sequenced_task_runner.h" | |
| 9 #include "base/task_runner_util.h" | |
| 10 #include "webkit/blob/shareable_file_reference.h" | |
| 11 #include "webkit/fileapi/file_system_context.h" | |
| 12 #include "webkit/fileapi/file_system_file_util.h" | |
| 13 #include "webkit/fileapi/file_system_operation_context.h" | |
| 14 #include "webkit/fileapi/file_system_url.h" | |
| 15 #include "webkit/fileapi/file_system_util.h" | |
| 16 | |
| 17 using base::Bind; | |
| 18 using base::Callback; | |
| 19 using base::Owned; | |
| 20 using base::PlatformFileError; | |
| 21 using base::Unretained; | |
| 22 using webkit_blob::ShareableFileReference; | |
| 23 | |
| 24 namespace fileapi { | |
| 25 | |
| 26 namespace { | |
| 27 | |
| 28 class EnsureFileExistsHelper { | |
| 29 public: | |
| 30 EnsureFileExistsHelper() : error_(base::PLATFORM_FILE_OK), created_(false) {} | |
| 31 | |
| 32 void RunWork(FileSystemFileUtil* file_util, | |
| 33 FileSystemOperationContext* context, | |
| 34 const FileSystemURL& url) { | |
| 35 error_ = file_util->EnsureFileExists(context, url, &created_); | |
| 36 } | |
| 37 | |
| 38 void Reply(const AsyncFileUtil::EnsureFileExistsCallback& callback) { | |
| 39 if (!callback.is_null()) | |
| 40 callback.Run(error_, created_); | |
| 41 } | |
| 42 | |
| 43 private: | |
| 44 base::PlatformFileError error_; | |
| 45 bool created_; | |
| 46 DISALLOW_COPY_AND_ASSIGN(EnsureFileExistsHelper); | |
| 47 }; | |
| 48 | |
| 49 class GetFileInfoHelper { | |
| 50 public: | |
| 51 GetFileInfoHelper() | |
| 52 : error_(base::PLATFORM_FILE_OK) {} | |
| 53 | |
| 54 void GetFileInfo(FileSystemFileUtil* file_util, | |
| 55 FileSystemOperationContext* context, | |
| 56 const FileSystemURL& url) { | |
| 57 error_ = file_util->GetFileInfo(context, url, &file_info_, &platform_path_); | |
| 58 } | |
| 59 | |
| 60 void CreateSnapshotFile(FileSystemFileUtil* file_util, | |
| 61 FileSystemOperationContext* context, | |
| 62 const FileSystemURL& url) { | |
| 63 scoped_file_ = file_util->CreateSnapshotFile( | |
| 64 context, url, &error_, &file_info_, &platform_path_); | |
| 65 } | |
| 66 | |
| 67 void ReplyFileInfo(const AsyncFileUtil::GetFileInfoCallback& callback) { | |
| 68 if (!callback.is_null()) | |
| 69 callback.Run(error_, file_info_, platform_path_); | |
| 70 } | |
| 71 | |
| 72 void ReplySnapshotFile( | |
| 73 const AsyncFileUtil::CreateSnapshotFileCallback& callback) { | |
| 74 if (!callback.is_null()) | |
| 75 callback.Run(error_, file_info_, platform_path_, | |
| 76 ShareableFileReference::GetOrCreate(scoped_file_.Pass())); | |
| 77 } | |
| 78 | |
| 79 private: | |
| 80 base::PlatformFileError error_; | |
| 81 base::PlatformFileInfo file_info_; | |
| 82 base::FilePath platform_path_; | |
| 83 webkit_blob::ScopedFile scoped_file_; | |
| 84 DISALLOW_COPY_AND_ASSIGN(GetFileInfoHelper); | |
| 85 }; | |
| 86 | |
| 87 class ReadDirectoryHelper { | |
| 88 public: | |
| 89 ReadDirectoryHelper() : error_(base::PLATFORM_FILE_OK) {} | |
| 90 | |
| 91 void RunWork(FileSystemFileUtil* file_util, | |
| 92 FileSystemOperationContext* context, | |
| 93 const FileSystemURL& url) { | |
| 94 base::PlatformFileInfo file_info; | |
| 95 base::FilePath platform_path; | |
| 96 PlatformFileError error = file_util->GetFileInfo( | |
| 97 context, url, &file_info, &platform_path); | |
| 98 if (error != base::PLATFORM_FILE_OK) { | |
| 99 error_ = error; | |
| 100 return; | |
| 101 } | |
| 102 if (!file_info.is_directory) { | |
| 103 error_ = base::PLATFORM_FILE_ERROR_NOT_A_DIRECTORY; | |
| 104 return; | |
| 105 } | |
| 106 | |
| 107 scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator> file_enum( | |
| 108 file_util->CreateFileEnumerator(context, url)); | |
| 109 | |
| 110 base::FilePath current; | |
| 111 while (!(current = file_enum->Next()).empty()) { | |
| 112 AsyncFileUtil::Entry entry; | |
| 113 entry.is_directory = file_enum->IsDirectory(); | |
| 114 entry.name = VirtualPath::BaseName(current).value(); | |
| 115 entry.size = file_enum->Size(); | |
| 116 entry.last_modified_time = file_enum->LastModifiedTime(); | |
| 117 entries_.push_back(entry); | |
| 118 } | |
| 119 error_ = base::PLATFORM_FILE_OK; | |
| 120 } | |
| 121 | |
| 122 void Reply(const AsyncFileUtil::ReadDirectoryCallback& callback) { | |
| 123 if (!callback.is_null()) | |
| 124 callback.Run(error_, entries_, false /* has_more */); | |
| 125 } | |
| 126 | |
| 127 private: | |
| 128 base::PlatformFileError error_; | |
| 129 std::vector<AsyncFileUtil::Entry> entries_; | |
| 130 DISALLOW_COPY_AND_ASSIGN(ReadDirectoryHelper); | |
| 131 }; | |
| 132 | |
| 133 } // namespace | |
| 134 | |
| 135 AsyncFileUtilAdapter::AsyncFileUtilAdapter( | |
| 136 FileSystemFileUtil* sync_file_util) | |
| 137 : sync_file_util_(sync_file_util) { | |
| 138 DCHECK(sync_file_util_.get()); | |
| 139 } | |
| 140 | |
| 141 AsyncFileUtilAdapter::~AsyncFileUtilAdapter() { | |
| 142 } | |
| 143 | |
| 144 bool AsyncFileUtilAdapter::CreateOrOpen( | |
| 145 FileSystemOperationContext* context, | |
| 146 const FileSystemURL& url, | |
| 147 int file_flags, | |
| 148 const CreateOrOpenCallback& callback) { | |
| 149 return base::FileUtilProxy::RelayCreateOrOpen( | |
| 150 context->task_runner(), | |
| 151 Bind(&FileSystemFileUtil::CreateOrOpen, Unretained(sync_file_util_.get()), | |
| 152 context, url, file_flags), | |
| 153 Bind(&FileSystemFileUtil::Close, Unretained(sync_file_util_.get()), | |
| 154 context), | |
| 155 callback); | |
| 156 } | |
| 157 | |
| 158 bool AsyncFileUtilAdapter::EnsureFileExists( | |
| 159 FileSystemOperationContext* context, | |
| 160 const FileSystemURL& url, | |
| 161 const EnsureFileExistsCallback& callback) { | |
| 162 EnsureFileExistsHelper* helper = new EnsureFileExistsHelper; | |
| 163 return context->task_runner()->PostTaskAndReply( | |
| 164 FROM_HERE, | |
| 165 Bind(&EnsureFileExistsHelper::RunWork, Unretained(helper), | |
| 166 sync_file_util_.get(), context, url), | |
| 167 Bind(&EnsureFileExistsHelper::Reply, Owned(helper), callback)); | |
| 168 } | |
| 169 | |
| 170 bool AsyncFileUtilAdapter::CreateDirectory( | |
| 171 FileSystemOperationContext* context, | |
| 172 const FileSystemURL& url, | |
| 173 bool exclusive, | |
| 174 bool recursive, | |
| 175 const StatusCallback& callback) { | |
| 176 return base::PostTaskAndReplyWithResult( | |
| 177 context->task_runner(), FROM_HERE, | |
| 178 Bind(&FileSystemFileUtil::CreateDirectory, | |
| 179 Unretained(sync_file_util_.get()), | |
| 180 context, url, exclusive, recursive), | |
| 181 callback); | |
| 182 } | |
| 183 | |
| 184 bool AsyncFileUtilAdapter::GetFileInfo( | |
| 185 FileSystemOperationContext* context, | |
| 186 const FileSystemURL& url, | |
| 187 const GetFileInfoCallback& callback) { | |
| 188 GetFileInfoHelper* helper = new GetFileInfoHelper; | |
| 189 return context->task_runner()->PostTaskAndReply( | |
| 190 FROM_HERE, | |
| 191 Bind(&GetFileInfoHelper::GetFileInfo, Unretained(helper), | |
| 192 sync_file_util_.get(), context, url), | |
| 193 Bind(&GetFileInfoHelper::ReplyFileInfo, Owned(helper), callback)); | |
| 194 } | |
| 195 | |
| 196 bool AsyncFileUtilAdapter::ReadDirectory( | |
| 197 FileSystemOperationContext* context, | |
| 198 const FileSystemURL& url, | |
| 199 const ReadDirectoryCallback& callback) { | |
| 200 ReadDirectoryHelper* helper = new ReadDirectoryHelper; | |
| 201 return context->task_runner()->PostTaskAndReply( | |
| 202 FROM_HERE, | |
| 203 Bind(&ReadDirectoryHelper::RunWork, Unretained(helper), | |
| 204 sync_file_util_.get(), context, url), | |
| 205 Bind(&ReadDirectoryHelper::Reply, Owned(helper), callback)); | |
| 206 } | |
| 207 | |
| 208 bool AsyncFileUtilAdapter::Touch( | |
| 209 FileSystemOperationContext* context, | |
| 210 const FileSystemURL& url, | |
| 211 const base::Time& last_access_time, | |
| 212 const base::Time& last_modified_time, | |
| 213 const StatusCallback& callback) { | |
| 214 return base::PostTaskAndReplyWithResult( | |
| 215 context->task_runner(), FROM_HERE, | |
| 216 Bind(&FileSystemFileUtil::Touch, Unretained(sync_file_util_.get()), | |
| 217 context, url, last_access_time, last_modified_time), | |
| 218 callback); | |
| 219 } | |
| 220 | |
| 221 bool AsyncFileUtilAdapter::Truncate( | |
| 222 FileSystemOperationContext* context, | |
| 223 const FileSystemURL& url, | |
| 224 int64 length, | |
| 225 const StatusCallback& callback) { | |
| 226 return base::PostTaskAndReplyWithResult( | |
| 227 context->task_runner(), FROM_HERE, | |
| 228 Bind(&FileSystemFileUtil::Truncate, Unretained(sync_file_util_.get()), | |
| 229 context, url, length), | |
| 230 callback); | |
| 231 } | |
| 232 | |
| 233 bool AsyncFileUtilAdapter::CopyFileLocal( | |
| 234 FileSystemOperationContext* context, | |
| 235 const FileSystemURL& src_url, | |
| 236 const FileSystemURL& dest_url, | |
| 237 const StatusCallback& callback) { | |
| 238 return base::PostTaskAndReplyWithResult( | |
| 239 context->task_runner(), FROM_HERE, | |
| 240 Bind(&FileSystemFileUtil::CopyOrMoveFile, | |
| 241 Unretained(sync_file_util_.get()), | |
| 242 context, src_url, dest_url, true /* copy */), | |
| 243 callback); | |
| 244 } | |
| 245 | |
| 246 bool AsyncFileUtilAdapter::MoveFileLocal( | |
| 247 FileSystemOperationContext* context, | |
| 248 const FileSystemURL& src_url, | |
| 249 const FileSystemURL& dest_url, | |
| 250 const StatusCallback& callback) { | |
| 251 return base::PostTaskAndReplyWithResult( | |
| 252 context->task_runner(), FROM_HERE, | |
| 253 Bind(&FileSystemFileUtil::CopyOrMoveFile, | |
| 254 Unretained(sync_file_util_.get()), | |
| 255 context, src_url, dest_url, false /* copy */), | |
| 256 callback); | |
| 257 } | |
| 258 | |
| 259 bool AsyncFileUtilAdapter::CopyInForeignFile( | |
| 260 FileSystemOperationContext* context, | |
| 261 const base::FilePath& src_file_path, | |
| 262 const FileSystemURL& dest_url, | |
| 263 const StatusCallback& callback) { | |
| 264 return base::PostTaskAndReplyWithResult( | |
| 265 context->task_runner(), FROM_HERE, | |
| 266 Bind(&FileSystemFileUtil::CopyInForeignFile, | |
| 267 Unretained(sync_file_util_.get()), | |
| 268 context, src_file_path, dest_url), | |
| 269 callback); | |
| 270 } | |
| 271 | |
| 272 bool AsyncFileUtilAdapter::DeleteFile( | |
| 273 FileSystemOperationContext* context, | |
| 274 const FileSystemURL& url, | |
| 275 const StatusCallback& callback) { | |
| 276 return base::PostTaskAndReplyWithResult( | |
| 277 context->task_runner(), FROM_HERE, | |
| 278 Bind(&FileSystemFileUtil::DeleteFile, | |
| 279 Unretained(sync_file_util_.get()), context, url), | |
| 280 callback); | |
| 281 } | |
| 282 | |
| 283 bool AsyncFileUtilAdapter::DeleteDirectory( | |
| 284 FileSystemOperationContext* context, | |
| 285 const FileSystemURL& url, | |
| 286 const StatusCallback& callback) { | |
| 287 return base::PostTaskAndReplyWithResult( | |
| 288 context->task_runner(), FROM_HERE, | |
| 289 Bind(&FileSystemFileUtil::DeleteDirectory, | |
| 290 Unretained(sync_file_util_.get()), | |
| 291 context, url), | |
| 292 callback); | |
| 293 } | |
| 294 | |
| 295 bool AsyncFileUtilAdapter::CreateSnapshotFile( | |
| 296 FileSystemOperationContext* context, | |
| 297 const FileSystemURL& url, | |
| 298 const CreateSnapshotFileCallback& callback) { | |
| 299 GetFileInfoHelper* helper = new GetFileInfoHelper; | |
| 300 return context->task_runner()->PostTaskAndReply( | |
| 301 FROM_HERE, | |
| 302 Bind(&GetFileInfoHelper::CreateSnapshotFile, Unretained(helper), | |
| 303 sync_file_util_.get(), context, url), | |
| 304 Bind(&GetFileInfoHelper::ReplySnapshotFile, Owned(helper), callback)); | |
| 305 } | |
| 306 | |
| 307 } // namespace fileapi | |
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