chrome/installer/mini_installer/configuration.h

   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_INSTALLER_MINI_INSTALLER_CONFIGURATION_H_
   6 #define CHROME_INSTALLER_MINI_INSTALLER_CONFIGURATION_H_
   7
   8 #include <windows.h>
   9
  10 namespace mini_installer {
  11
  12 // A simple container of the mini_installer's configuration, as dictated by the
  13 // command line used to invoke it.
  14 class Configuration {
  15  public:
  16   enum Operation {
  17     INSTALL_PRODUCT,
  18     CLEANUP,
  19   };
  20
  21   Configuration();
  22   ~Configuration();
  23
  24   // Initializes this instance on the basis of the process's command line.
  25   bool Initialize(HMODULE module);
  26
  27   // Returns the desired operation dictated by the command line options.
  28   Operation operation() const { return operation_; }
  29
  30   // Returns the program portion of the command line, or NULL if it cannot be
  31   // determined (e.g., by misuse).
  32   const wchar_t* program() const;
  33
  34   // Returns the number of arguments specified on the command line, including
  35   // the program itself.
  36   int argument_count() const { return argument_count_; }
  37
  38   // Returns the original command line.
  39   const wchar_t* command_line() const { return command_line_; }
  40
  41   // Returns the app guid to be used for Chrome.  --chrome-sxs on the command
  42   // line makes this the canary's app guid.
  43   const wchar_t* chrome_app_guid() const { return chrome_app_guid_; }
  44
  45   // Returns true if --chrome is explicitly or implicitly on the command line.
  46   bool has_chrome() const { return has_chrome_; }
  47
  48   // Returns true if --chrome-frame is on the command line.
  49   bool has_chrome_frame() const { return has_chrome_frame_; }
  50
  51   // Returns true if --multi-install is on the command line.
  52   bool is_multi_install() const { return is_multi_install_; }
  53
  54   // Returns true if --system-level is on the command line.
  55   bool is_system_level() const { return is_system_level_; }
  56
  57   // Returns the previous version contained in the image's resource.
  58   const wchar_t* previous_version() const { return previous_version_; }
  59
  60  protected:
  61   void Clear();
  62   bool ParseCommandLine(const wchar_t* command_line);
  63   void ReadResources(HMODULE module);
  64
  65   wchar_t** args_;
  66   const wchar_t* chrome_app_guid_;
  67   const wchar_t* command_line_;
  68   int argument_count_;
  69   Operation operation_;
  70   bool has_chrome_;
  71   bool has_chrome_frame_;
  72   bool is_multi_install_;
  73   bool is_system_level_;
  74   const wchar_t* previous_version_;
  75
  76  private:
  77   Configuration(const Configuration&);
  78   Configuration& operator=(const Configuration&);
  79 };
  80
  81 }  // namespace mini_installer
  82
  83 #endif  // CHROME_INSTALLER_MINI_INSTALLER_CONFIGURATION_H_