1/*
2 * Copyright (C) 2006 Apple Computer, 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 COMPUTER, 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 COMPUTER, 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#ifndef MIMETypeRegistry_h
27#define MIMETypeRegistry_h
28
29#include <wtf/HashSet.h>
30#include <wtf/Vector.h>
31#include <wtf/text/StringHash.h>
32#include <wtf/text/WTFString.h>
33
34namespace WebCore {
35
36class MIMETypeRegistry {
37public:
38    static String getMIMETypeForExtension(const String& extension);
39    static String getWellKnownMIMETypeForExtension(const String& extension);
40
41    static Vector<String> getExtensionsForMIMEType(const String& type);
42    static String getPreferredExtensionForMIMEType(const String& type);
43    static String getMediaMIMETypeForExtension(const String& extension);
44    static Vector<String> getMediaMIMETypesForExtension(const String& extension);
45
46    static String getMIMETypeForPath(const String& path);
47
48    // Check to see if a mime type is suitable for being loaded inline as an
49    // image (e.g., <img> tags).
50    static bool isSupportedImageMIMEType(const String& mimeType);
51
52    // Check to see if a mime type is suitable for being loaded as an image
53    // document in a frame.
54    static bool isSupportedImageResourceMIMEType(const String& mimeType);
55
56    // Check to see if a mime type is suitable for being encoded.
57    static bool isSupportedImageMIMETypeForEncoding(const String& mimeType);
58
59    // Check to see if a mime type is suitable for being loaded as a JavaScript
60    // resource.
61    static bool isSupportedJavaScriptMIMEType(const String& mimeType);
62
63    // Check to see if a non-image mime type is suitable for being loaded as a
64    // document in a frame.  Includes supported JavaScript MIME types.
65    static bool isSupportedNonImageMIMEType(const String& mimeType);
66
67    // Check to see if a mime type is suitable for being loaded using <video> and <audio>
68    static bool isSupportedMediaMIMEType(const String& mimeType);
69
70#if ENABLE(MEDIA_SOURCE)
71    // Check to see if the mime type and codecs are supported by the MediaSource implementation.
72    static bool isSupportedMediaSourceMIMEType(const String& mimeType, const String& codecs);
73#endif
74
75    // Check to see if the mime type is not suitable for being loaded as a text
76    // document in a frame. Only valid for mime types begining with "text/".
77    static bool isUnsupportedTextMIMEType(const String& mimeType);
78
79    // Check to see if a mime type is a valid Java applet mime type
80    static bool isJavaAppletMIMEType(const String& mimeType);
81
82    // Check to see if a mime type is a plugin implemented by the
83    // browser (e.g. a Qt Plugin).
84    static bool isApplicationPluginMIMEType(const String& mimeType);
85
86    // Check to see if a mime type is one of the common PDF/PS types.
87    static bool isPDFOrPostScriptMIMEType(const String& mimeType);
88
89    // Check to see if a mime type is suitable for being shown inside a page.
90    // Returns true if any of isSupportedImageMIMEType(), isSupportedNonImageMIMEType(), isSupportedMediaMIMEType() returns true
91    // or if given mime type begins with "text/" and isUnsupportedTextMIMEType() returns false.
92    static bool canShowMIMEType(const String& mimeType);
93
94    static HashSet<String>& getSupportedImageMIMETypes();
95    static HashSet<String>& getSupportedImageResourceMIMETypes();
96    static HashSet<String>& getSupportedImageMIMETypesForEncoding();
97    static HashSet<String>& getSupportedNonImageMIMETypes();
98    static HashSet<String>& getSupportedMediaMIMETypes();
99    static HashSet<String>& getPDFAndPostScriptMIMETypes();
100    static HashSet<String>& getUnsupportedTextMIMETypes();
101
102    static String getNormalizedMIMEType(const String&);
103};
104
105const String& defaultMIMEType();
106
107} // namespace WebCore
108
109#endif // MIMETypeRegistry_h
110