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1 // Copyright 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/browser/fileapi/dragged_file_util.h" | |
6 | |
7 #include <string> | |
8 #include <vector> | |
9 | |
10 #include "base/files/file_util.h" | |
11 #include "webkit/browser/fileapi/file_system_context.h" | |
12 #include "webkit/browser/fileapi/file_system_operation_context.h" | |
13 #include "webkit/browser/fileapi/file_system_url.h" | |
14 #include "webkit/browser/fileapi/isolated_context.h" | |
15 #include "webkit/browser/fileapi/native_file_util.h" | |
16 #include "webkit/common/blob/shareable_file_reference.h" | |
17 | |
18 namespace storage { | |
19 | |
20 typedef IsolatedContext::MountPointInfo FileInfo; | |
21 | |
22 namespace { | |
23 | |
24 // Simply enumerate each path from a given fileinfo set. | |
25 // Used to enumerate top-level paths of an isolated filesystem. | |
26 class SetFileEnumerator : public FileSystemFileUtil::AbstractFileEnumerator { | |
27 public: | |
28 explicit SetFileEnumerator(const std::vector<FileInfo>& files) | |
29 : files_(files) { | |
30 file_iter_ = files_.begin(); | |
31 } | |
32 virtual ~SetFileEnumerator() {} | |
33 | |
34 // AbstractFileEnumerator overrides. | |
35 virtual base::FilePath Next() OVERRIDE { | |
36 if (file_iter_ == files_.end()) | |
37 return base::FilePath(); | |
38 base::FilePath platform_file = (file_iter_++)->path; | |
39 NativeFileUtil::GetFileInfo(platform_file, &file_info_); | |
40 return platform_file; | |
41 } | |
42 virtual int64 Size() OVERRIDE { return file_info_.size; } | |
43 virtual bool IsDirectory() OVERRIDE { return file_info_.is_directory; } | |
44 virtual base::Time LastModifiedTime() OVERRIDE { | |
45 return file_info_.last_modified; | |
46 } | |
47 | |
48 private: | |
49 std::vector<FileInfo> files_; | |
50 std::vector<FileInfo>::const_iterator file_iter_; | |
51 base::File::Info file_info_; | |
52 }; | |
53 | |
54 } // namespace | |
55 | |
56 //------------------------------------------------------------------------- | |
57 | |
58 DraggedFileUtil::DraggedFileUtil() {} | |
59 | |
60 base::File::Error DraggedFileUtil::GetFileInfo( | |
61 FileSystemOperationContext* context, | |
62 const FileSystemURL& url, | |
63 base::File::Info* file_info, | |
64 base::FilePath* platform_path) { | |
65 DCHECK(file_info); | |
66 std::string filesystem_id; | |
67 DCHECK(url.is_valid()); | |
68 if (url.path().empty()) { | |
69 // The root directory case. | |
70 // For now we leave three time fields (modified/accessed/creation time) | |
71 // NULL as it is not really clear what to be set for this virtual directory. | |
72 // TODO(kinuko): Maybe we want to set the time when this filesystem is | |
73 // created (i.e. when the files/directories are dropped). | |
74 file_info->is_directory = true; | |
75 file_info->is_symbolic_link = false; | |
76 file_info->size = 0; | |
77 return base::File::FILE_OK; | |
78 } | |
79 base::File::Error error = | |
80 NativeFileUtil::GetFileInfo(url.path(), file_info); | |
81 if (base::IsLink(url.path()) && !base::FilePath().IsParent(url.path())) { | |
82 // Don't follow symlinks unless it's the one that are selected by the user. | |
83 return base::File::FILE_ERROR_NOT_FOUND; | |
84 } | |
85 if (error == base::File::FILE_OK) | |
86 *platform_path = url.path(); | |
87 return error; | |
88 } | |
89 | |
90 scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator> | |
91 DraggedFileUtil::CreateFileEnumerator( | |
92 FileSystemOperationContext* context, | |
93 const FileSystemURL& root) { | |
94 DCHECK(root.is_valid()); | |
95 if (!root.path().empty()) | |
96 return LocalFileUtil::CreateFileEnumerator(context, root); | |
97 | |
98 // Root path case. | |
99 std::vector<FileInfo> toplevels; | |
100 IsolatedContext::GetInstance()->GetDraggedFileInfo( | |
101 root.filesystem_id(), &toplevels); | |
102 return scoped_ptr<AbstractFileEnumerator>(new SetFileEnumerator(toplevels)); | |
103 } | |
104 | |
105 } // namespace storage | |
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