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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_INSTALLER_MINI_INSTALLER_CONFIGURATION_H_
#define CHROME_INSTALLER_MINI_INSTALLER_CONFIGURATION_H_
#include <windows.h>
#include "chrome/installer/mini_installer/mini_string.h"
namespace mini_installer {
// A simple container of the mini_installer's configuration, as dictated by the
// command line used to invoke it.
class Configuration {
public:
enum Operation {
INSTALL_PRODUCT,
CLEANUP,
};
Configuration();
~Configuration();
// Initializes this instance on the basis of the process's command line.
bool Initialize(HMODULE module);
// Returns the desired operation dictated by the command line options.
Operation operation() const { return operation_; }
// Returns the program portion of the command line, or NULL if it cannot be
// determined (e.g., by misuse).
const wchar_t* program() const;
// Returns the number of arguments specified on the command line, including
// the program itself.
int argument_count() const { return argument_count_; }
// Returns the original command line.
const wchar_t* command_line() const { return command_line_; }
// Returns the app guid to be used for Chrome. --chrome-sxs on the command
// line makes this the canary's app guid.
const wchar_t* chrome_app_guid() const { return chrome_app_guid_; }
// Returns true if --chrome is explicitly or implicitly on the command line.
bool has_chrome() const { return has_chrome_; }
// Returns true if --chrome-frame is on the command line.
bool has_chrome_frame() const { return has_chrome_frame_; }
// Returns true if --multi-install is on the command line.
bool is_multi_install() const { return is_multi_install_; }
// Returns true if --system-level is on the command line.
bool is_system_level() const { return is_system_level_; }
// Retuns true if --chrome-sxs is on the command line.
bool is_side_by_side() const { return is_side_by_side_; }
// Returns the previous version contained in the image's resource.
const wchar_t* previous_version() const { return previous_version_; }
protected:
void Clear();
bool ParseCommandLine(const wchar_t* command_line);
void ReadResources(HMODULE module);
wchar_t** args_;
const wchar_t* chrome_app_guid_;
const wchar_t* command_line_;
int argument_count_;
Operation operation_;
bool has_chrome_;
bool has_chrome_frame_;
bool is_multi_install_;
bool is_system_level_;
bool is_side_by_side_;
const wchar_t* previous_version_;
protected:
typedef StackString<128> ValueString;
// Virtual for testing.
virtual bool ReadClientStateRegistryValue(
const HKEY root_key, const wchar_t* app_guid,
LONG* retval, ValueString& value);
private:
Configuration(const Configuration&);
Configuration& operator=(const Configuration&);
void SetChromeAppGuid();
};
} // namespace mini_installer
#endif // CHROME_INSTALLER_MINI_INSTALLER_CONFIGURATION_H_