extensions/common/host_id.h

   1 // Copyright 2015 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 EXTENSIONS_COMMON_HOST_ID_H_
   6 #define EXTENSIONS_COMMON_HOST_ID_H_
   7
   8 #include <string>
   9
  10 // IDs of hosts who own user scripts.
  11 // A HostID is immutable after creation.
  12 struct HostID {
  13   enum HostType { EXTENSIONS, WEBUI };
  14
  15   HostID() {}
  16   HostID(HostType type, const std::string& id)
  17       : type_(type), id_(id) {}
  18
  19   bool operator<(const HostID& host_id) const {
  20     if (type_ != host_id.type())
  21       return type_ < host_id.type();
  22     else if (id_ != host_id.id())
  23       return id_ < host_id.id();
  24     return false;
  25   }
  26
  27   HostType type() const { return type_; }
  28   const std::string& id() const { return id_; }
  29
  30  private:
  31   // The type of the host.
  32   HostType type_;
  33
  34   // Similar to extension_id, host_id is a unique indentifier for a host,
  35   // e.g., an Extension or WebUI.
  36   std::string id_;
  37 };
  38
  39 #endif  // EXTENSIONS_COMMON_HOST_ID_H_