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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_COMMON_EXTENSIONS_MIME_TYPES_HANDLER_H_
      6 #define CHROME_COMMON_EXTENSIONS_MIME_TYPES_HANDLER_H_
      7 
      8 #include <set>
      9 #include <string>
     10 #include <vector>
     11 
     12 #include "base/basictypes.h"
     13 #include "chrome/common/extensions/extension.h"
     14 #include "chrome/common/extensions/manifest_handler.h"
     15 #include "extensions/common/url_pattern.h"
     16 #include "extensions/common/url_pattern_set.h"
     17 #include "url/gurl.h"
     18 
     19 class URLPattern;
     20 
     21 class MimeTypesHandler {
     22  public:
     23   // Returns list of extensions' ids that are allowed to use MIME type filters.
     24   static std::vector<std::string> GetMIMETypeWhitelist();
     25 
     26   static MimeTypesHandler* GetHandler(const extensions::Extension* extension);
     27 
     28   MimeTypesHandler();
     29   ~MimeTypesHandler();
     30 
     31   // extension id
     32   std::string extension_id() const { return extension_id_; }
     33   void set_extension_id(const std::string& extension_id) {
     34     extension_id_ = extension_id;
     35   }
     36 
     37   // Adds a MIME type filter to the handler.
     38   void AddMIMEType(const std::string& mime_type);
     39   // Tests if the handler has registered a filter for the MIME type.
     40   bool CanHandleMIMEType(const std::string& mime_type) const;
     41 
     42  private:
     43   // The id for the extension this action belongs to (as defined in the
     44   // extension manifest).
     45   std::string extension_id_;
     46 
     47   // A list of MIME type filters.
     48   std::set<std::string> mime_type_set_;
     49 };
     50 
     51 class MimeTypesHandlerParser : public extensions::ManifestHandler {
     52  public:
     53   MimeTypesHandlerParser();
     54   virtual ~MimeTypesHandlerParser();
     55 
     56   virtual bool Parse(extensions::Extension* extension,
     57                      string16* error) OVERRIDE;
     58 
     59  private:
     60   virtual const std::vector<std::string> Keys() const OVERRIDE;
     61 };
     62 
     63 #endif  // CHROME_COMMON_EXTENSIONS_MIME_TYPES_HANDLER_H_
     64 
     65