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      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 // This file declares Chrome uninstall related functions.
      6 
      7 #ifndef CHROME_INSTALLER_SETUP_UNINSTALL_H_
      8 #define CHROME_INSTALLER_SETUP_UNINSTALL_H_
      9 
     10 #include <shlobj.h>
     11 
     12 #include "base/strings/string16.h"
     13 #include "chrome/installer/util/util_constants.h"
     14 
     15 class BrowserDistribution;
     16 class CommandLine;
     17 
     18 namespace base {
     19 class FilePath;
     20 }
     21 
     22 namespace installer {
     23 
     24 class InstallationState;
     25 class InstallerState;
     26 class Product;
     27 
     28 // This function removes all Chrome registration related keys. It returns true
     29 // if successful, otherwise false. The error code is set in |exit_code|.
     30 // |root| is the registry root (HKLM|HKCU) and |browser_entry_suffix| is the
     31 // suffix for default browser entry name in the registry (optional).
     32 bool DeleteChromeRegistrationKeys(const InstallerState& installer_state,
     33                                   BrowserDistribution* dist,
     34                                   HKEY root,
     35                                   const string16& browser_entry_suffix,
     36                                   InstallStatus* exit_code);
     37 
     38 // Removes any legacy registry keys from earlier versions of Chrome that are no
     39 // longer needed. This is used during autoupdate since we don't do full
     40 // uninstalls/reinstalls to update.
     41 void RemoveChromeLegacyRegistryKeys(BrowserDistribution* dist,
     42                                     const string16& chrome_exe);
     43 
     44 // This function uninstalls a product.  Hence we came up with this awesome
     45 // name for it.
     46 //
     47 // original_state: The installation state of all products on the system.
     48 // installer_state: State associated with this operation.
     49 // setup_path: Path to the executable (setup.exe) as it will be copied
     50 //           to temp folder before deleting Chrome folder.
     51 // dist: Represents the distribution to be uninstalled.
     52 // remove_all: Remove all shared files, registry entries as well.
     53 // force_uninstall: Uninstall without prompting for user confirmation or
     54 //                  any checks for Chrome running.
     55 // cmd_line: CommandLine that contains information about the command that
     56 //           was used to launch current uninstaller.
     57 installer::InstallStatus UninstallProduct(
     58     const InstallationState& original_state,
     59     const InstallerState& installer_state,
     60     const base::FilePath& setup_path,
     61     const Product& dist,
     62     bool remove_all,
     63     bool force_uninstall,
     64     const CommandLine& cmd_line);
     65 
     66 // Cleans up the installation directory after all uninstall operations have
     67 // completed. Depending on what products are remaining, setup.exe and the
     68 // installer archive may be deleted. Empty directories will be pruned (or
     69 // scheduled for pruning after reboot, if necessary).
     70 //
     71 // original_state: The installation state of all products on the system.
     72 // installer_state: State associated with this operation.
     73 // cmd_line: CommandLine that contains information about the command that
     74 //           was used to launch current uninstaller.
     75 // uninstall_status: the uninstall status so far (may change during invocation).
     76 void CleanUpInstallationDirectoryAfterUninstall(
     77     const InstallationState& original_state,
     78     const InstallerState& installer_state,
     79     const CommandLine& cmd_line,
     80     installer::InstallStatus* uninstall_status);
     81 
     82 }  // namespace installer
     83 
     84 #endif  // CHROME_INSTALLER_SETUP_UNINSTALL_H_
     85