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      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 "PlatformString.h"
     30 #include "StringHash.h"
     31 #include <wtf/HashSet.h>
     32 #include <wtf/Vector.h>
     33 
     34 namespace WebCore {
     35 
     36 class MIMETypeRegistry {
     37 public:
     38     static String getMIMETypeForExtension(const String& ext);
     39     static Vector<String> getExtensionsForMIMEType(const String& type);
     40     static String getPreferredExtensionForMIMEType(const String& type);
     41     static String getMediaMIMETypeForExtension(const String& ext);
     42 
     43     static String getMIMETypeForPath(const String& path);
     44 
     45     // Check to see if a mime type is suitable for being loaded inline as an
     46     // image (e.g., <img> tags).
     47     static bool isSupportedImageMIMEType(const String& mimeType);
     48 
     49     // Check to see if a mime type is suitable for being loaded as an image
     50     // document in a frame.
     51     static bool isSupportedImageResourceMIMEType(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
     57     // resource.
     58     static bool isSupportedJavaScriptMIMEType(const String& mimeType);
     59 
     60     // Check to see if a non-image mime type is suitable for being loaded as a
     61     // document in a frame.  Includes supported JavaScript MIME types.
     62     static bool isSupportedNonImageMIMEType(const String& mimeType);
     63 
     64     // Check to see if a mime type is suitable for being loaded using <video> and <audio>
     65     static bool isSupportedMediaMIMEType(const String& mimeType);
     66 
     67     // Check to see if a mime type is a valid Java applet mime type
     68     static bool isJavaAppletMIMEType(const String& mimeType);
     69 
     70     static HashSet<String>& getSupportedImageMIMETypes();
     71     static HashSet<String>& getSupportedImageResourceMIMETypes();
     72     static HashSet<String>& getSupportedImageMIMETypesForEncoding();
     73     static HashSet<String>& getSupportedNonImageMIMETypes();
     74     static HashSet<String>& getSupportedMediaMIMETypes();
     75 };
     76 
     77 const String& defaultMIMEType();
     78 
     79 } // namespace WebCore
     80 
     81 #endif // MIMETypeRegistry_h
     82