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      1 // Copyright 2014 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 MOJO_SHELL_MOJO_URL_RESOLVER_H_
      6 #define MOJO_SHELL_MOJO_URL_RESOLVER_H_
      7 
      8 #include <map>
      9 #include <set>
     10 
     11 #include "url/gurl.h"
     12 
     13 namespace mojo {
     14 namespace shell {
     15 
     16 // This class resolves "mojo:" URLs to physical URLs (e.g., "file:" and
     17 // "https:" URLs). By default, "mojo:" URLs resolve to a file location, but
     18 // that resolution can be customized via the AddCustomMapping method.
     19 class MojoURLResolver {
     20  public:
     21   MojoURLResolver();
     22   ~MojoURLResolver();
     23 
     24   // If specified, then unknown "mojo:" URLs will be resolved relative to this
     25   // base URL. That is, the portion after the colon will be appeneded to
     26   // |base_url| with platform-specific shared library prefix and suffix
     27   // inserted.
     28   void SetBaseURL(const GURL& base_url);
     29 
     30   // Add a custom mapping for a particular "mojo:" URL.
     31   void AddCustomMapping(const GURL& mojo_url, const GURL& resolved_url);
     32 
     33   // Add a local file mapping for a particular "mojo:" URL. This causes the
     34   // "mojo:" URL to be resolved to a base::DIR_MODULE-relative shared library.
     35   void AddLocalFileMapping(const GURL& mojo_url);
     36 
     37   // Resolve the given "mojo:" URL to the URL that should be used to fetch the
     38   // code for the corresponding Mojo App.
     39   GURL Resolve(const GURL& mojo_url) const;
     40 
     41  private:
     42   std::map<GURL, GURL> url_map_;
     43   std::set<GURL> local_file_set_;
     44   GURL default_base_url_;
     45   GURL base_url_;
     46 };
     47 
     48 }  // namespace shell
     49 }  // namespace mojo
     50 
     51 #endif  // MOJO_SHELL_MOJO_URL_RESOLVER_H_
     52