chrome/browser/google/google_update_win.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_BROWSER_GOOGLE_GOOGLE_UPDATE_WIN_H_
   6 #define CHROME_BROWSER_GOOGLE_GOOGLE_UPDATE_WIN_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/callback_forward.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/strings/string16.h"
  13 #include "base/win/scoped_comptr.h"
  14 #include "google_update/google_update_idl.h"
  15 #include "ui/gfx/native_widget_types.h"
  16
  17 namespace base {
  18 class SingleThreadTaskRunner;
  19 }  // namespace base
  20
  21 // These values are used for a histogram. Do not reorder.
  22 enum GoogleUpdateErrorCode {
  23   // The upgrade completed successfully (or hasn't been started yet).
  24   GOOGLE_UPDATE_NO_ERROR = 0,
  25   // Google Update only supports upgrading if Chrome is installed in the default
  26   // location. This error will appear for developer builds and with
  27   // installations unzipped to random locations.
  28   CANNOT_UPGRADE_CHROME_IN_THIS_DIRECTORY = 1,
  29   // Failed to create Google Update JobServer COM class. DEPRECATED.
  30   // GOOGLE_UPDATE_JOB_SERVER_CREATION_FAILED = 2,
  31   // Failed to create Google Update OnDemand COM class.
  32   GOOGLE_UPDATE_ONDEMAND_CLASS_NOT_FOUND = 3,
  33   // Google Update OnDemand COM class reported an error during a check for
  34   // update (or while upgrading).
  35   GOOGLE_UPDATE_ONDEMAND_CLASS_REPORTED_ERROR = 4,
  36   // A call to GetResults failed. DEPRECATED.
  37   // GOOGLE_UPDATE_GET_RESULT_CALL_FAILED = 5,
  38   // A call to GetVersionInfo failed. DEPRECATED
  39   // GOOGLE_UPDATE_GET_VERSION_INFO_FAILED = 6,
  40   // An error occurred while upgrading (or while checking for update).
  41   // Check the Google Update log in %TEMP% for more details.
  42   GOOGLE_UPDATE_ERROR_UPDATING = 7,
  43   // Updates can not be downloaded because the administrator has disabled all
  44   // types of updating.
  45   GOOGLE_UPDATE_DISABLED_BY_POLICY = 8,
  46   // Updates can not be downloaded because the administrator has disabled
  47   // manual (on-demand) updates.  Automatic background updates are allowed.
  48   // DEPRECATED.
  49   // GOOGLE_UPDATE_DISABLED_BY_POLICY_AUTO_ONLY = 9,
  50   NUM_ERROR_CODES
  51 };
  52
  53 // A delegate by which a caller of BeginUpdateCheck is notified of the status
  54 // and results of an update check.
  55 class UpdateCheckDelegate {
  56  public:
  57   virtual ~UpdateCheckDelegate() {}
  58
  59   // Invoked following a successful update check. |new_version|, if not empty,
  60   // indicates the new version that is available. Otherwise (if |new_version| is
  61   // empty), Chrome is up to date. This method will only be invoked when
  62   // BeginUpdateCheck is called with |install_update_if_possible| == false.
  63   virtual void OnUpdateCheckComplete(const base::string16& new_version) = 0;
  64
  65   // Invoked zero or more times during an upgrade. |progress|, a number between
  66   // 0 and 100 (inclusive), is an estimation as to what percentage of the
  67   // upgrade has completed. |new_version| indicates the version that is being
  68   // download and installed. This method will only be invoked when
  69   // BeginUpdateCheck is called with |install_update_if_possible| == true.
  70   virtual void OnUpgradeProgress(int progress,
  71                                  const base::string16& new_version) = 0;
  72
  73   // Invoked following a successful upgrade. |new_version| indicates the version
  74   // to which Chrome was updated. This method will only be invoked when
  75   // BeginUpdateCheck is called with |install_update_if_possible| == true.
  76   virtual void OnUpgradeComplete(const base::string16& new_version) = 0;
  77
  78   // Invoked following an unrecoverable error, indicated by |error_code|.
  79   // |error_message|, if not empty, contains a localized string that may be
  80   // presented to the user explaining the nature of the error. |new_version|, if
  81   // not empty, indicates the version to which an upgrade attempt was made.
  82   virtual void OnError(GoogleUpdateErrorCode error_code,
  83                        const base::string16& error_message,
  84                        const base::string16& new_version) = 0;
  85
  86  protected:
  87   UpdateCheckDelegate() {}
  88 };
  89
  90 // Begins an asynchronous update check on |task_runner|. If a new version is
  91 // available and |install_update_if_possible| is true, the new version will be
  92 // automatically downloaded and installed. |elevation_window| is the window
  93 // which should own any necessary elevation UI. Methods on |delegate| will be
  94 // invoked on the caller's thread to provide feedback on the operation, with
  95 // messages localized to |locale| if possible.
  96 void BeginUpdateCheck(
  97     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
  98     const std::string& locale,
  99     bool install_update_if_possible,
 100     gfx::AcceleratedWidget elevation_window,
 101     const base::WeakPtr<UpdateCheckDelegate>& delegate);
 102
 103 // A type of callback supplied by tests to provide a custom IGoogleUpdate3Web
 104 // implementation (see src/google_update/google_update_idl.idl).
 105 typedef base::Callback<HRESULT(base::win::ScopedComPtr<IGoogleUpdate3Web>*)>
 106     GoogleUpdate3ClassFactory;
 107
 108 // For use by tests that wish to provide a custom IGoogleUpdate3Web
 109 // implementation independent of Google Update's.
 110 void SetGoogleUpdateFactoryForTesting(
 111     const GoogleUpdate3ClassFactory& google_update_factory);
 112
 113 #endif  // CHROME_BROWSER_GOOGLE_GOOGLE_UPDATE_WIN_H_