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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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31 #include <wtf/PassRefPtr.h> | 31 #include <wtf/PassRefPtr.h> |
32 #include <wtf/RefCounted.h> | 32 #include <wtf/RefCounted.h> |
33 | 33 |
34 namespace WebCore { | 34 namespace WebCore { |
35 | 35 |
36 struct FileMetadata; | 36 struct FileMetadata; |
37 class KURL; | 37 class KURL; |
38 | 38 |
39 class File : public Blob { | 39 class File : public Blob { |
40 public: | 40 public: |
41 // AllContentTypes should only be used when the full path/name are trusted;
otherwise, it could | 41 static PassRefPtr<File> create(const String& path) |
42 // allow arbitrary pages to determine what applications an user has installe
d. | |
43 enum ContentTypeLookupPolicy { | |
44 WellKnownContentTypes, | |
45 AllContentTypes, | |
46 }; | |
47 | |
48 static PassRefPtr<File> create(const String& path, ContentTypeLookupPolicy p
olicy = WellKnownContentTypes) | |
49 { | 42 { |
50 return adoptRef(new File(path, policy)); | 43 return adoptRef(new File(path)); |
51 } | 44 } |
52 | 45 |
53 // For deserialization. | 46 // For deserialization. |
54 static PassRefPtr<File> create(const String& path, const KURL& srcURL, const
String& type) | 47 static PassRefPtr<File> create(const String& path, const KURL& srcURL, const
String& type) |
55 { | 48 { |
56 return adoptRef(new File(path, srcURL, type)); | 49 return adoptRef(new File(path, srcURL, type)); |
57 } | 50 } |
58 | 51 |
59 #if ENABLE(DIRECTORY_UPLOAD) | 52 #if ENABLE(DIRECTORY_UPLOAD) |
60 static PassRefPtr<File> createWithRelativePath(const String& path, const Str
ing& relativePath); | 53 static PassRefPtr<File> createWithRelativePath(const String& path, const Str
ing& relativePath); |
61 #endif | 54 #endif |
62 | 55 |
63 #if ENABLE(FILE_SYSTEM) | 56 #if ENABLE(FILE_SYSTEM) |
64 // If filesystem files live in the remote filesystem, the port might pass th
e valid metadata (whose length field is non-negative) and cache in the File obje
ct. | 57 // If filesystem files live in the remote filesystem, the port might pass th
e valid metadata (whose length field is non-negative) and cache in the File obje
ct. |
65 // | 58 // |
66 // Otherwise calling size(), lastModifiedTime() and slice() will synchronous
ly query the file metadata. | 59 // Otherwise calling size(), lastModifiedTime() and slice() will synchronous
ly query the file metadata. |
67 static PassRefPtr<File> createForFileSystemFile(const String& name, const Fi
leMetadata& metadata) | 60 static PassRefPtr<File> createForFileSystemFile(const String& name, const Fi
leMetadata& metadata) |
68 { | 61 { |
69 return adoptRef(new File(name, metadata)); | 62 return adoptRef(new File(name, metadata)); |
70 } | 63 } |
71 #endif | 64 #endif |
72 | 65 |
73 // Create a file with a name exposed to the author (via File.name and associ
ated DOM properties) that differs from the one provided in the path. | 66 // Create a file with a name exposed to the author (via File.name and associ
ated DOM properties) that differs from the one provided in the path. |
74 static PassRefPtr<File> createWithName(const String& path, const String& nam
e, ContentTypeLookupPolicy policy = WellKnownContentTypes) | 67 static PassRefPtr<File> createWithName(const String& path, const String& nam
e) |
75 { | 68 { |
76 if (name.isEmpty()) | 69 if (name.isEmpty()) |
77 return adoptRef(new File(path, policy)); | 70 return adoptRef(new File(path)); |
78 return adoptRef(new File(path, name, policy)); | 71 return adoptRef(new File(path, name)); |
79 } | 72 } |
80 | 73 |
81 virtual unsigned long long size() const; | 74 virtual unsigned long long size() const; |
82 virtual bool isFile() const { return true; } | 75 virtual bool isFile() const { return true; } |
83 | 76 |
84 const String& path() const { return m_path; } | 77 const String& path() const { return m_path; } |
85 const String& name() const { return m_name; } | 78 const String& name() const { return m_name; } |
86 | 79 |
87 // This may return NaN (which is converted to null Date in javascript layer)
if getFileModificationTime() platform call has failed or the information is not
available. | 80 // This may return NaN (which is converted to null Date in javascript layer)
if getFileModificationTime() platform call has failed or the information is not
available. |
88 double lastModifiedDate() const; | 81 double lastModifiedDate() const; |
89 | 82 |
90 #if ENABLE(DIRECTORY_UPLOAD) | 83 #if ENABLE(DIRECTORY_UPLOAD) |
91 // Returns the relative path of this file in the context of a directory sele
ction. | 84 // Returns the relative path of this file in the context of a directory sele
ction. |
92 const String& webkitRelativePath() const { return m_relativePath; } | 85 const String& webkitRelativePath() const { return m_relativePath; } |
93 #endif | 86 #endif |
94 | 87 |
95 // Note that this involves synchronous file operation. Think twice before ca
lling this function. | 88 // Note that this involves synchronous file operation. Think twice before ca
lling this function. |
96 void captureSnapshot(long long& snapshotSize, double& snapshotModificationTi
me) const; | 89 void captureSnapshot(long long& snapshotSize, double& snapshotModificationTi
me) const; |
97 | 90 |
98 private: | 91 private: |
99 File(const String& path, ContentTypeLookupPolicy); | 92 File(const String& path); |
100 | 93 |
101 // For deserialization. | 94 // For deserialization. |
102 File(const String& path, const KURL& srcURL, const String& type); | 95 File(const String& path, const KURL& srcURL, const String& type); |
103 File(const String& path, const String& name, ContentTypeLookupPolicy); | 96 File(const String& path, const String& name); |
104 | 97 |
105 # if ENABLE(FILE_SYSTEM) | 98 # if ENABLE(FILE_SYSTEM) |
106 File(const String& name, const FileMetadata&); | 99 File(const String& name, const FileMetadata&); |
107 | 100 |
108 // Returns true if this has a valid snapshot metadata (i.e. m_snapshotSize >
= 0). | 101 // Returns true if this has a valid snapshot metadata (i.e. m_snapshotSize >
= 0). |
109 bool hasValidSnapshotMetadata() const { return m_snapshotSize >= 0; } | 102 bool hasValidSnapshotMetadata() const { return m_snapshotSize >= 0; } |
110 #endif | 103 #endif |
111 | 104 |
112 String m_path; | 105 String m_path; |
113 String m_name; | 106 String m_name; |
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132 | 125 |
133 inline const File* toFile(const Blob* blob) | 126 inline const File* toFile(const Blob* blob) |
134 { | 127 { |
135 ASSERT(!blob || blob->isFile()); | 128 ASSERT(!blob || blob->isFile()); |
136 return static_cast<const File*>(blob); | 129 return static_cast<const File*>(blob); |
137 } | 130 } |
138 | 131 |
139 } // namespace WebCore | 132 } // namespace WebCore |
140 | 133 |
141 #endif // File_h | 134 #endif // File_h |
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