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1 /* | |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef V8BlobCustomHelpers_h | |
32 #define V8BlobCustomHelpers_h | |
33 | |
34 #include "bindings/v8/V8Binding.h" | |
35 | |
36 namespace WebCore { | |
37 | |
38 class BlobData; | |
39 class ExceptionState; | |
40 | |
41 // Shared code between the custom constructor bindings for Blob and File. | |
42 namespace V8BlobCustomHelpers { | |
43 | |
44 // Parsed properties from a BlobPropertyBag or a FilePropertyBag. | |
45 // | |
46 // Instances are stack-allocated by the File and Blob constructor. | |
47 // | |
48 // parseBlobPropertyBag is only called when constructors receive a value for | |
49 // the optional BlobPropertyBag / FilePropertyBag argument. The defaults set in | |
50 // the constructor are used otherwise. | |
51 class ParsedProperties { | |
52 public: | |
53 explicit ParsedProperties(bool hasFileProperties); | |
54 | |
55 const String& contentType() const { return m_contentType; } | |
56 bool normalizeLineEndingsToNative() const { return m_normalizeLineEndingsToN
ative; } | |
57 void setLastModified(double); | |
58 void setDefaultLastModified(); | |
59 double lastModified() const | |
60 { | |
61 ASSERT(m_hasFileProperties); | |
62 ASSERT(m_hasLastModified); | |
63 return m_lastModified; | |
64 } | |
65 | |
66 // Extracts the "type" and "endings" properties out of the BlobPropertyBag p
assed to a Blob constructor. | |
67 // http://www.w3.org/TR/FileAPI/#constructorParams | |
68 // Returns true if everything went well, false if a JS exception was thrown. | |
69 bool parseBlobPropertyBag(v8::Local<v8::Value> propertyBag, const char* blob
ClassName, ExceptionState&, v8::Isolate*); | |
70 | |
71 private: | |
72 String m_contentType; | |
73 bool m_normalizeLineEndingsToNative; | |
74 | |
75 // False if this contains the properties of a BlobPropertyBag. | |
76 bool m_hasFileProperties; | |
77 | |
78 double m_lastModified; | |
79 #ifndef NDEBUG | |
80 bool m_hasLastModified; | |
81 #endif // NDEBUG | |
82 }; | |
83 | |
84 // Appends the blobParts passed to a Blob or File constructor into a BlobData. | |
85 // http://www.w3.org/TR/FileAPI/#constructorParams | |
86 // Returns true if everything went well, false if a JS exception was thrown. | |
87 bool processBlobParts(v8::Local<v8::Object> blobParts, uint32_t blobPartsLength,
bool normalizeLineEndingsToNative, BlobData&, v8::Isolate*); | |
88 | |
89 } // namespace V8BlobCustomHelpers | |
90 | |
91 } // namespace WebCore | |
92 | |
93 #endif // V8BlobCustomHelpers_h | |
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