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.
5 #ifndef CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_
6 #define CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_
11 #include "base/callback.h"
12 #include "base/compiler_specific.h"
13 #include "base/files/file_path.h"
14 #include "base/macros.h"
15 #include "base/memory/scoped_ptr.h"
16 #include "base/version.h"
17 #include "components/component_updater/component_updater_service.h"
20 class DictionaryValue;
24 // Returns true if PNaCl actually needs an on-demand component update.
25 // E.g., if PNaCl is not yet installed and the user is loading a PNaCl app,
26 // or the current version is behind chrome's version, and is ABI incompatible
27 // with chrome. If not necessary, returns false.
28 // May conservatively return false before PNaCl is registered, but
29 // should return the right answer after it is registered.
30 bool NeedsOnDemandUpdate();
33 namespace component_updater {
35 // Component installer responsible for Portable Native Client files.
36 // Files can be installed to a shared location, or be installed to
37 // a per-user location.
38 class PnaclComponentInstaller : public ComponentInstaller {
40 PnaclComponentInstaller();
42 virtual ~PnaclComponentInstaller();
44 virtual void OnUpdateError(int error) OVERRIDE;
46 virtual bool Install(const base::DictionaryValue& manifest,
47 const base::FilePath& unpack_path) OVERRIDE;
49 virtual bool GetInstalledFile(const std::string& file,
50 base::FilePath* installed_file) OVERRIDE;
52 // Register a PNaCl component for the first time.
53 void RegisterPnaclComponent(ComponentUpdateService* cus);
55 CrxComponent GetCrxComponent();
57 // Determine the base directory for storing each version of PNaCl.
58 base::FilePath GetPnaclBaseDirectory();
60 base::Version current_version() const { return current_version_; }
62 void set_current_version(const base::Version& current_version) {
63 current_version_ = current_version;
66 std::string current_fingerprint() const { return current_fingerprint_; }
68 void set_current_fingerprint(const std::string& current_fingerprint) {
69 current_fingerprint_ = current_fingerprint;
72 ComponentUpdateService* cus() const { return cus_; }
75 base::Version current_version_;
76 std::string current_fingerprint_;
77 ComponentUpdateService* cus_;
78 DISALLOW_COPY_AND_ASSIGN(PnaclComponentInstaller);
81 } // namespace component_updater
83 #endif // CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_