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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 |
| 11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
| 12 * | 12 * |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #ifndef File_h | 26 #ifndef File_h |
| 27 #define File_h | 27 #define File_h |
| 28 | 28 |
| 29 #include "core/fileapi/Blob.h" | 29 #include "core/fileapi/Blob.h" |
| 30 #include "heap/Handle.h" |
| 30 #include "wtf/PassRefPtr.h" | 31 #include "wtf/PassRefPtr.h" |
| 31 #include "wtf/text/WTFString.h" | 32 #include "wtf/text/WTFString.h" |
| 32 | 33 |
| 33 namespace WebCore { | 34 namespace WebCore { |
| 34 | 35 |
| 35 class ExecutionContext; | 36 class ExecutionContext; |
| 36 struct FileMetadata; | 37 struct FileMetadata; |
| 37 class KURL; | 38 class KURL; |
| 38 | 39 |
| 39 class File FINAL : public Blob { | 40 class File FINAL : public Blob { |
| 40 public: | 41 public: |
| 41 // AllContentTypes should only be used when the full path/name are trusted;
otherwise, it could | 42 // AllContentTypes should only be used when the full path/name are trusted;
otherwise, it could |
| 42 // allow arbitrary pages to determine what applications an user has installe
d. | 43 // allow arbitrary pages to determine what applications an user has installe
d. |
| 43 enum ContentTypeLookupPolicy { | 44 enum ContentTypeLookupPolicy { |
| 44 WellKnownContentTypes, | 45 WellKnownContentTypes, |
| 45 AllContentTypes, | 46 AllContentTypes, |
| 46 }; | 47 }; |
| 47 | 48 |
| 48 static PassRefPtr<File> create(const String& path, ContentTypeLookupPolicy p
olicy = WellKnownContentTypes) | 49 static PassRefPtrWillBeRawPtr<File> create(const String& path, ContentTypeLo
okupPolicy policy = WellKnownContentTypes) |
| 49 { | 50 { |
| 50 return adoptRef(new File(path, policy)); | 51 return adoptRefWillBeNoop(new File(path, policy)); |
| 51 } | 52 } |
| 52 | 53 |
| 53 static PassRefPtr<File> create(const String& name, double modificationTime,
PassRefPtr<BlobDataHandle> blobDataHandle) | 54 static PassRefPtrWillBeRawPtr<File> create(const String& name, double modifi
cationTime, PassRefPtr<BlobDataHandle> blobDataHandle) |
| 54 { | 55 { |
| 55 return adoptRef(new File(name, modificationTime, blobDataHandle)); | 56 return adoptRefWillBeNoop(new File(name, modificationTime, blobDataHandl
e)); |
| 56 } | 57 } |
| 57 | 58 |
| 58 // For deserialization. | 59 // For deserialization. |
| 59 static PassRefPtr<File> create(const String& path, const String& name, const
String& relativePath, bool hasSnaphotData, uint64_t size, double lastModified,
PassRefPtr<BlobDataHandle> blobDataHandle) | 60 static PassRefPtrWillBeRawPtr<File> create(const String& path, const String&
name, const String& relativePath, bool hasSnaphotData, uint64_t size, double la
stModified, PassRefPtr<BlobDataHandle> blobDataHandle) |
| 60 { | 61 { |
| 61 return adoptRef(new File(path, name, relativePath, hasSnaphotData, size,
lastModified, blobDataHandle)); | 62 return adoptRefWillBeNoop(new File(path, name, relativePath, hasSnaphotD
ata, size, lastModified, blobDataHandle)); |
| 62 } | 63 } |
| 63 | 64 |
| 64 static PassRefPtr<File> createWithRelativePath(const String& path, const Str
ing& relativePath); | 65 static PassRefPtrWillBeRawPtr<File> createWithRelativePath(const String& pat
h, const String& relativePath); |
| 65 | 66 |
| 66 // 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. | 67 // 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. |
| 67 // | 68 // |
| 68 // Otherwise calling size(), lastModifiedTime() and slice() will synchronous
ly query the file metadata. | 69 // Otherwise calling size(), lastModifiedTime() and slice() will synchronous
ly query the file metadata. |
| 69 static PassRefPtr<File> createForFileSystemFile(const String& name, const Fi
leMetadata& metadata) | 70 static PassRefPtrWillBeRawPtr<File> createForFileSystemFile(const String& na
me, const FileMetadata& metadata) |
| 70 { | 71 { |
| 71 return adoptRef(new File(name, metadata)); | 72 return adoptRefWillBeNoop(new File(name, metadata)); |
| 72 } | 73 } |
| 73 | 74 |
| 74 static PassRefPtr<File> createForFileSystemFile(const KURL& url, const FileM
etadata& metadata) | 75 static PassRefPtrWillBeRawPtr<File> createForFileSystemFile(const KURL& url,
const FileMetadata& metadata) |
| 75 { | 76 { |
| 76 return adoptRef(new File(url, metadata)); | 77 return adoptRefWillBeNoop(new File(url, metadata)); |
| 77 } | 78 } |
| 78 | 79 |
| 79 KURL fileSystemURL() const { ASSERT(hasValidFileSystemURL()); return m_fileS
ystemURL; } | 80 KURL fileSystemURL() const { ASSERT(hasValidFileSystemURL()); return m_fileS
ystemURL; } |
| 80 | 81 |
| 81 // 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. | 82 // 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. |
| 82 static PassRefPtr<File> createWithName(const String& path, const String& nam
e, ContentTypeLookupPolicy policy = WellKnownContentTypes) | 83 static PassRefPtrWillBeRawPtr<File> createWithName(const String& path, const
String& name, ContentTypeLookupPolicy policy = WellKnownContentTypes) |
| 83 { | 84 { |
| 84 if (name.isEmpty()) | 85 if (name.isEmpty()) |
| 85 return adoptRef(new File(path, policy)); | 86 return adoptRefWillBeNoop(new File(path, policy)); |
| 86 return adoptRef(new File(path, name, policy)); | 87 return adoptRefWillBeNoop(new File(path, name, policy)); |
| 87 } | 88 } |
| 88 | 89 |
| 89 virtual unsigned long long size() const OVERRIDE; | 90 virtual unsigned long long size() const OVERRIDE; |
| 90 virtual PassRefPtr<Blob> slice(long long start = 0, long long end = std::num
eric_limits<long long>::max(), const String& contentType = String()) const OVERR
IDE; | 91 virtual PassRefPtrWillBeRawPtr<Blob> slice(long long start = 0, long long en
d = std::numeric_limits<long long>::max(), const String& contentType = String())
const OVERRIDE; |
| 91 virtual void close(ExecutionContext*) OVERRIDE; | 92 virtual void close(ExecutionContext*) OVERRIDE; |
| 92 | 93 |
| 93 virtual bool isFile() const OVERRIDE { return true; } | 94 virtual bool isFile() const OVERRIDE { return true; } |
| 94 virtual bool hasBackingFile() const OVERRIDE { return m_hasBackingFile; } | 95 virtual bool hasBackingFile() const OVERRIDE { return m_hasBackingFile; } |
| 95 | 96 |
| 96 virtual void appendTo(BlobData&) const OVERRIDE; | 97 virtual void appendTo(BlobData&) const OVERRIDE; |
| 97 | 98 |
| 98 const String& path() const { ASSERT(hasValidFilePath()); return m_path; } | 99 const String& path() const { ASSERT(hasValidFilePath()); return m_path; } |
| 99 const String name() const { return m_name; } | 100 const String name() const { return m_name; } |
| 100 | 101 |
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| 138 const double m_snapshotModificationTime; | 139 const double m_snapshotModificationTime; |
| 139 | 140 |
| 140 String m_relativePath; | 141 String m_relativePath; |
| 141 }; | 142 }; |
| 142 | 143 |
| 143 DEFINE_TYPE_CASTS(File, Blob, blob, blob->isFile(), blob.isFile()); | 144 DEFINE_TYPE_CASTS(File, Blob, blob, blob->isFile(), blob.isFile()); |
| 144 | 145 |
| 145 } // namespace WebCore | 146 } // namespace WebCore |
| 146 | 147 |
| 147 #endif // File_h | 148 #endif // File_h |
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