mojo/shell/mojo_url_resolver.h

   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_