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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 #include "webkit/browser/fileapi/isolated_file_system_backend.h" | |
| 6 | |
| 7 #include <string> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/files/file_path.h" | |
| 11 #include "base/files/file_util_proxy.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/message_loop/message_loop_proxy.h" | |
| 14 #include "base/sequenced_task_runner.h" | |
| 15 #include "webkit/browser/blob/file_stream_reader.h" | |
| 16 #include "webkit/browser/fileapi/async_file_util_adapter.h" | |
| 17 #include "webkit/browser/fileapi/copy_or_move_file_validator.h" | |
| 18 #include "webkit/browser/fileapi/dragged_file_util.h" | |
| 19 #include "webkit/browser/fileapi/file_stream_writer.h" | |
| 20 #include "webkit/browser/fileapi/file_system_context.h" | |
| 21 #include "webkit/browser/fileapi/file_system_operation.h" | |
| 22 #include "webkit/browser/fileapi/file_system_operation_context.h" | |
| 23 #include "webkit/browser/fileapi/isolated_context.h" | |
| 24 #include "webkit/browser/fileapi/native_file_util.h" | |
| 25 #include "webkit/browser/fileapi/transient_file_util.h" | |
| 26 #include "webkit/common/fileapi/file_system_types.h" | |
| 27 #include "webkit/common/fileapi/file_system_util.h" | |
| 28 | |
| 29 namespace fileapi { | |
| 30 | |
| 31 IsolatedFileSystemBackend::IsolatedFileSystemBackend() | |
| 32 : isolated_file_util_(new AsyncFileUtilAdapter(new LocalFileUtil())), | |
| 33 dragged_file_util_(new AsyncFileUtilAdapter(new DraggedFileUtil())), | |
| 34 transient_file_util_(new AsyncFileUtilAdapter(new TransientFileUtil())) { | |
| 35 } | |
| 36 | |
| 37 IsolatedFileSystemBackend::~IsolatedFileSystemBackend() { | |
| 38 } | |
| 39 | |
| 40 bool IsolatedFileSystemBackend::CanHandleType(FileSystemType type) const { | |
| 41 switch (type) { | |
| 42 case kFileSystemTypeIsolated: | |
| 43 case kFileSystemTypeDragged: | |
| 44 case kFileSystemTypeForTransientFile: | |
| 45 return true; | |
| 46 #if !defined(OS_CHROMEOS) | |
| 47 case kFileSystemTypeNativeLocal: | |
| 48 case kFileSystemTypeNativeForPlatformApp: | |
| 49 return true; | |
| 50 #endif | |
| 51 default: | |
| 52 return false; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 void IsolatedFileSystemBackend::Initialize(FileSystemContext* context) { | |
| 57 } | |
| 58 | |
| 59 void IsolatedFileSystemBackend::ResolveURL( | |
| 60 const FileSystemURL& url, | |
| 61 OpenFileSystemMode mode, | |
| 62 const OpenFileSystemCallback& callback) { | |
| 63 // We never allow opening a new isolated FileSystem via usual ResolveURL. | |
| 64 base::MessageLoopProxy::current()->PostTask( | |
| 65 FROM_HERE, | |
| 66 base::Bind(callback, | |
| 67 GURL(), | |
| 68 std::string(), | |
| 69 base::File::FILE_ERROR_SECURITY)); | |
| 70 } | |
| 71 | |
| 72 AsyncFileUtil* IsolatedFileSystemBackend::GetAsyncFileUtil( | |
| 73 FileSystemType type) { | |
| 74 switch (type) { | |
| 75 case kFileSystemTypeNativeLocal: | |
| 76 return isolated_file_util_.get(); | |
| 77 case kFileSystemTypeDragged: | |
| 78 return dragged_file_util_.get(); | |
| 79 case kFileSystemTypeForTransientFile: | |
| 80 return transient_file_util_.get(); | |
| 81 default: | |
| 82 NOTREACHED(); | |
| 83 } | |
| 84 return NULL; | |
| 85 } | |
| 86 | |
| 87 CopyOrMoveFileValidatorFactory* | |
| 88 IsolatedFileSystemBackend::GetCopyOrMoveFileValidatorFactory( | |
| 89 FileSystemType type, base::File::Error* error_code) { | |
| 90 DCHECK(error_code); | |
| 91 *error_code = base::File::FILE_OK; | |
| 92 return NULL; | |
| 93 } | |
| 94 | |
| 95 FileSystemOperation* IsolatedFileSystemBackend::CreateFileSystemOperation( | |
| 96 const FileSystemURL& url, | |
| 97 FileSystemContext* context, | |
| 98 base::File::Error* error_code) const { | |
| 99 return FileSystemOperation::Create( | |
| 100 url, context, make_scoped_ptr(new FileSystemOperationContext(context))); | |
| 101 } | |
| 102 | |
| 103 bool IsolatedFileSystemBackend::SupportsStreaming( | |
| 104 const fileapi::FileSystemURL& url) const { | |
| 105 return false; | |
| 106 } | |
| 107 | |
| 108 scoped_ptr<webkit_blob::FileStreamReader> | |
| 109 IsolatedFileSystemBackend::CreateFileStreamReader( | |
| 110 const FileSystemURL& url, | |
| 111 int64 offset, | |
| 112 const base::Time& expected_modification_time, | |
| 113 FileSystemContext* context) const { | |
| 114 return scoped_ptr<webkit_blob::FileStreamReader>( | |
| 115 webkit_blob::FileStreamReader::CreateForLocalFile( | |
| 116 context->default_file_task_runner(), | |
| 117 url.path(), offset, expected_modification_time)); | |
| 118 } | |
| 119 | |
| 120 scoped_ptr<FileStreamWriter> IsolatedFileSystemBackend::CreateFileStreamWriter( | |
| 121 const FileSystemURL& url, | |
| 122 int64 offset, | |
| 123 FileSystemContext* context) const { | |
| 124 return scoped_ptr<FileStreamWriter>( | |
| 125 FileStreamWriter::CreateForLocalFile( | |
| 126 context->default_file_task_runner(), | |
| 127 url.path(), | |
| 128 offset, | |
| 129 FileStreamWriter::OPEN_EXISTING_FILE)); | |
| 130 } | |
| 131 | |
| 132 FileSystemQuotaUtil* IsolatedFileSystemBackend::GetQuotaUtil() { | |
| 133 // No quota support. | |
| 134 return NULL; | |
| 135 } | |
| 136 | |
| 137 } // namespace fileapi | |
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Chromium Code Reviews
Issue 442383002:
Move storage-related files from webkit/ to new top-level directory storage/ (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src