1 | /* |
2 | * Copyright (C) 2006-2016 Apple 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 |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #include <wtf/HashSet.h> |
29 | #include <wtf/Vector.h> |
30 | #include <wtf/text/StringHash.h> |
31 | |
32 | namespace WebCore { |
33 | |
34 | class MIMETypeRegistry { |
35 | public: |
36 | WEBCORE_EXPORT static String getMIMETypeForExtension(const String& extension); |
37 | |
38 | // FIXME: WebKit coding style says we should not have the word "get" in the names of these functions. |
39 | static Vector<String> getExtensionsForMIMEType(const String& type); |
40 | WEBCORE_EXPORT static String getPreferredExtensionForMIMEType(const String& type); |
41 | static String getMediaMIMETypeForExtension(const String& extension); |
42 | static Vector<String> getMediaMIMETypesForExtension(const String& extension); |
43 | |
44 | static String getMIMETypeForPath(const String& path); |
45 | |
46 | // Check to see if a MIME type is suitable for being loaded inline as an |
47 | // image (e.g., <img> tags). |
48 | WEBCORE_EXPORT static bool isSupportedImageMIMEType(const String& mimeType); |
49 | |
50 | // Check to see if a MIME type is suitable for being loaded as an image, including SVG and Video (where supported). |
51 | WEBCORE_EXPORT static bool isSupportedImageVideoOrSVGMIMEType(const String& mimeType); |
52 | |
53 | // Check to see if a MIME type is suitable for being encoded. |
54 | static bool isSupportedImageMIMETypeForEncoding(const String& mimeType); |
55 | |
56 | // Check to see if a MIME type is suitable for being loaded as a JavaScript or JSON resource. |
57 | WEBCORE_EXPORT static bool isSupportedJavaScriptMIMEType(const String& mimeType); |
58 | WEBCORE_EXPORT static bool isSupportedJSONMIMEType(const String& mimeType); |
59 | |
60 | // Check to see if a MIME type is suitable for being loaded as a style sheet. |
61 | static bool isSupportedStyleSheetMIMEType(const String& mimeType); |
62 | |
63 | // Check to see if a MIME type is suitable for being loaded as a font. |
64 | static bool isSupportedFontMIMEType(const String& mimeType); |
65 | |
66 | // Check to see if a MIME type is a text media playlist type, such as an m3u8. |
67 | static bool isTextMediaPlaylistMIMEType(const String& mimeType); |
68 | |
69 | // Check to see if a non-image MIME type is suitable for being loaded as a |
70 | // document in a frame. Does not include supported JavaScript and JSON MIME types. |
71 | WEBCORE_EXPORT static bool isSupportedNonImageMIMEType(const String& mimeType); |
72 | |
73 | // Check to see if a MIME type is suitable for being loaded using <video> and <audio>. |
74 | WEBCORE_EXPORT static bool isSupportedMediaMIMEType(const String& mimeType); |
75 | |
76 | // Check to see if a MIME type is suitable for being loaded using <track>>. |
77 | WEBCORE_EXPORT static bool isSupportedTextTrackMIMEType(const String& mimeType); |
78 | |
79 | // Check to see if a MIME type is a valid Java applet mime type. |
80 | WEBCORE_EXPORT static bool isJavaAppletMIMEType(const String& mimeType); |
81 | |
82 | // Check to see if a MIME type is a plugin implemented by the browser. |
83 | static bool isApplicationPluginMIMEType(const String& mimeType); |
84 | |
85 | // Check to see if a MIME type is one of the common PDF/PS types. |
86 | static bool isPDFMIMEType(const String& mimeType); |
87 | static bool isPostScriptMIMEType(const String& mimeType); |
88 | WEBCORE_EXPORT static bool isPDFOrPostScriptMIMEType(const String& mimeType); |
89 | |
90 | WEBCORE_EXPORT static bool isSystemPreviewMIMEType(const String& mimeType); |
91 | |
92 | // Check to see if a MIME type is suitable for being shown inside a page. |
93 | // Returns true if any of isSupportedImageMIMEType(), isSupportedNonImageMIMEType(), |
94 | // isSupportedMediaMIMEType(), isSupportedJavaScriptMIMEType(), isSupportedJSONMIMEType(), |
95 | // returns true or if the given MIME type begins with "text/" and |
96 | // isUnsupportedTextMIMEType() returns false. |
97 | WEBCORE_EXPORT static bool canShowMIMEType(const String& mimeType); |
98 | |
99 | // Check to see if a MIME type is one where an XML document should be created |
100 | // rather than an HTML document. |
101 | WEBCORE_EXPORT static bool isXMLMIMEType(const String& mimeType); |
102 | |
103 | // Used in page load algorithm to decide whether to display as a text |
104 | // document in a frame. Not a good idea to use elsewhere, because that code |
105 | // makes this test is after many other tests are done on the MIME type. |
106 | WEBCORE_EXPORT static bool isTextMIMEType(const String& mimeType); |
107 | |
108 | // FIXME: Would be nice to find a way to avoid exposing these sets, even worse exposing non-const references. |
109 | WEBCORE_EXPORT static const HashSet<String, ASCIICaseInsensitiveHash>& supportedImageMIMETypes(); |
110 | static HashSet<String, ASCIICaseInsensitiveHash>& additionalSupportedImageMIMETypes(); |
111 | WEBCORE_EXPORT static HashSet<String, ASCIICaseInsensitiveHash>& supportedNonImageMIMETypes(); |
112 | WEBCORE_EXPORT static const HashSet<String, ASCIICaseInsensitiveHash>& supportedMediaMIMETypes(); |
113 | WEBCORE_EXPORT static const HashSet<String, ASCIICaseInsensitiveHash>& pdfMIMETypes(); |
114 | WEBCORE_EXPORT static const HashSet<String, ASCIICaseInsensitiveHash>& unsupportedTextMIMETypes(); |
115 | WEBCORE_EXPORT static const HashSet<String, ASCIICaseInsensitiveHash>& systemPreviewMIMETypes(); |
116 | |
117 | // FIXME: WebKit coding style says we should not have the word "get" in the name of this function. |
118 | // FIXME: Unclear what the concept of a normalized MIME type is; currently it's a platform-specific notion. |
119 | static String getNormalizedMIMEType(const String&); |
120 | |
121 | WEBCORE_EXPORT static String appendFileExtensionIfNecessary(const String& filename, const String& mimeType); |
122 | |
123 | private: |
124 | // Check to see if the MIME type is not suitable for being loaded as a text |
125 | // document in a frame. Only valid for MIME types begining with "text/". |
126 | static bool isUnsupportedTextMIMEType(const String& mimeType); |
127 | }; |
128 | |
129 | WEBCORE_EXPORT const String& defaultMIMEType(); |
130 | |
131 | } // namespace WebCore |
132 | |