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 #include <string> 10 11 #include "base/callback.h" 12 #include "base/compiler_specific.h" 13 #include "base/files/file_path.h" 14 #include "base/memory/scoped_ptr.h" 15 #include "base/version.h" 16 #include "chrome/browser/component_updater/component_updater_service.h" 17 18 namespace base { 19 class CommandLine; 20 class DictionaryValue; 21 } 22 23 namespace pnacl { 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(); 31 } 32 33 namespace component_updater { 34 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 { 39 public: 40 PnaclComponentInstaller(); 41 42 virtual ~PnaclComponentInstaller(); 43 44 virtual void OnUpdateError(int error) OVERRIDE; 45 46 virtual bool Install(const base::DictionaryValue& manifest, 47 const base::FilePath& unpack_path) OVERRIDE; 48 49 virtual bool GetInstalledFile(const std::string& file, 50 base::FilePath* installed_file) OVERRIDE; 51 52 // Register a PNaCl component for the first time. 53 void RegisterPnaclComponent(ComponentUpdateService* cus, 54 const base::CommandLine& command_line); 55 56 CrxComponent GetCrxComponent(); 57 58 // Return true if PNaCl updates are disabled. updates_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 current_version()64 base::Version current_version() const { return current_version_; } 65 set_current_version(const base::Version & current_version)66 void set_current_version(const base::Version& current_version) { 67 current_version_ = current_version; 68 } 69 current_fingerprint()70 std::string current_fingerprint() const { return current_fingerprint_; } 71 set_current_fingerprint(const std::string & current_fingerprint)72 void set_current_fingerprint(const std::string& current_fingerprint) { 73 current_fingerprint_ = current_fingerprint; 74 } 75 cus()76 ComponentUpdateService* cus() const { return cus_; } 77 78 private: 79 bool updates_disabled_; 80 base::Version current_version_; 81 std::string current_fingerprint_; 82 ComponentUpdateService* cus_; 83 DISALLOW_COPY_AND_ASSIGN(PnaclComponentInstaller); 84 }; 85 86 } // namespace component_updater 87 88 #endif // CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_ 89