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      1 /*
      2  * Copyright (C) 2009 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 WebMimeRegistry_h
     32 #define WebMimeRegistry_h
     33 
     34 #include "WebCommon.h"
     35 
     36 namespace blink {
     37 
     38 class WebString;
     39 
     40 class WebMimeRegistry {
     41 public:
     42     enum SupportsType { IsNotSupported, IsSupported, MayBeSupported };
     43 
     44     virtual SupportsType supportsMIMEType(const WebString& mimeType) = 0;
     45     virtual SupportsType supportsImageMIMEType(const WebString& mimeType) = 0;
     46     virtual SupportsType supportsImagePrefixedMIMEType(const WebString& mimeType) = 0;
     47     virtual SupportsType supportsJavaScriptMIMEType(const WebString& mimeType) = 0;
     48     virtual SupportsType supportsMediaMIMEType(const WebString& mimeType, const WebString& codecs, const WebString& keySystem) = 0;
     49 
     50     virtual bool supportsMediaSourceMIMEType(const WebString& mimeType, const WebString& codecs) = 0;
     51     virtual bool supportsEncryptedMediaMIMEType(const WebString& keySystem, const WebString& mimeType, const WebString& codecs) = 0;
     52 
     53     virtual SupportsType supportsNonImageMIMEType(const WebString& mimeType) = 0;
     54 
     55     virtual WebString mimeTypeForExtension(const WebString& fileExtension) = 0;
     56     virtual WebString wellKnownMimeTypeForExtension(const WebString& fileExtension) = 0;
     57     virtual WebString mimeTypeFromFile(const WebString& filePath) = 0;
     58 
     59 protected:
     60     ~WebMimeRegistry() { }
     61 };
     62 
     63 } // namespace blink
     64 
     65 #endif
     66