pnacl_component_installer.h revision 2385ea399aae016c0806a4f9ef3c9cfe3d2a39df 
1// Copyright (c) 2011 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_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_
6#define CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_
7
8#include <list>
9
10#include "base/callback.h"
11#include "base/compiler_specific.h"
12#include "base/files/file_path.h"
13#include "base/memory/scoped_ptr.h"
14#include "base/version.h"
15#include "chrome/browser/component_updater/component_updater_service.h"
16#include "chrome/browser/component_updater/pnacl/pnacl_profile_observer.h"
17#include "chrome/browser/component_updater/pnacl/pnacl_updater_observer.h"
18
19class CommandLine;
20
21namespace base {
22class DictionaryValue;
23}
24
25// Component installer responsible for Portable Native Client files.
26// Files can be installed to a shared location, or be installed to
27// a per-user location.
28class PnaclComponentInstaller : public ComponentInstaller {
29 public:
30  PnaclComponentInstaller();
31
32  virtual ~PnaclComponentInstaller();
33
34  virtual void OnUpdateError(int error) OVERRIDE;
35
36  virtual bool Install(const base::DictionaryValue& manifest,
37                       const base::FilePath& unpack_path) OVERRIDE;
38
39  virtual bool GetInstalledFile(const std::string& file,
40                                base::FilePath* installed_file) OVERRIDE;
41
42  // Register a PNaCl component for the first time.
43  void RegisterPnaclComponent(ComponentUpdateService* cus,
44                              const CommandLine& command_line);
45
46  // Check the PNaCl version again and re-register with the component
47  // updater service.
48  void ReRegisterPnacl();
49
50  CrxComponent GetCrxComponent();
51
52  // Return true if PNaCl installs are separated by user.
53  bool per_user() const { return per_user_; }
54
55  // If per_user, function to call when profile is changed.
56  void OnProfileChange();
57
58  // Return true if PNaCl updates are disabled.
59  bool updates_disabled() const { return updates_disabled_; }
60
61  // Determine the base directory for storing each version of PNaCl.
62  base::FilePath GetPnaclBaseDirectory();
63
64  base::Version current_version() const { return current_version_; }
65
66  void set_current_version(const base::Version& v) { current_version_ = v; }
67
68  ComponentUpdateService* cus() const { return cus_; }
69
70  typedef base::Callback<void(bool)> InstallCallback;
71
72  // Ask the component updater service to do a first-install for PNaCl.
73  // The |installed| callback will be run with |true| on success,
74  // or run with |false| on an error. The callback is called on the UI thread.
75  void RequestFirstInstall(const InstallCallback& installed);
76
77 private:
78  friend class PnaclUpdaterObserver;
79
80  // Called when a RequestFirstInstall completed successfully.
81  void NotifyInstallSuccess();
82
83  // Called when a RequestFirstInstall will not happen, or an error occurred.
84  void NotifyInstallError();
85
86  bool per_user_;
87  bool updates_disabled_;
88  scoped_ptr<PnaclProfileObserver> profile_observer_;
89  base::FilePath current_profile_path_;
90  base::Version current_version_;
91  ComponentUpdateService* cus_;
92  // The one callback to call when there is a RequestFirstInstall.
93  InstallCallback install_callback_;
94  // Component updater service observer, to determine when an on-demand
95  // install request failed.
96  scoped_ptr<PnaclUpdaterObserver> updater_observer_;
97  DISALLOW_COPY_AND_ASSIGN(PnaclComponentInstaller);
98};
99
100#endif  // CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_
101