1 // Copyright 2014 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_EXTENSIONS_PENDING_EXTENSION_MANAGER_H_ 6 #define CHROME_BROWSER_EXTENSIONS_PENDING_EXTENSION_MANAGER_H_ 7 8 #include <list> 9 #include <string> 10 11 #include "chrome/browser/extensions/pending_extension_info.h" 12 #include "extensions/common/manifest.h" 13 14 class GURL; 15 16 namespace base { 17 class Version; 18 } 19 20 namespace content { 21 class BrowserContext; 22 } 23 24 FORWARD_DECLARE_TEST(ExtensionServiceTest, 25 UpdatePendingExtensionAlreadyInstalled); 26 27 namespace extensions { 28 class Extension; 29 class PendingExtensionManager; 30 31 class ExtensionUpdaterTest; 32 void SetupPendingExtensionManagerForTest( 33 int count, const GURL& update_url, 34 PendingExtensionManager* pending_extension_manager); 35 36 // Class PendingExtensionManager manages the set of extensions which are 37 // being installed or updated. In general, installation and updates take 38 // time, because they involve downloading, unpacking, and installing. 39 // This class allows us to avoid race cases where multiple sources install 40 // the same extension. 41 // The ExtensionService creates an instance of this class, and manages its 42 // lifetime. This class should only be used from the UI thread. 43 class PendingExtensionManager { 44 public: 45 explicit PendingExtensionManager(content::BrowserContext* context); 46 ~PendingExtensionManager(); 47 48 // TODO(skerner): Many of these methods can be private once code in 49 // ExtensionService is moved into methods of this class. 50 51 // Remove extension with id |id| from the set of pending extensions. Returns 52 // true if such an extension was found and removed, false otherwise. 53 bool Remove(const std::string& id); 54 55 // Get the information for a pending extension. Returns a pointer to the 56 // pending extension with id |id|, or NULL if there is no such extension. 57 const PendingExtensionInfo* GetById(const std::string& id) const; 58 59 // Is |id| in the set of pending extensions? 60 bool IsIdPending(const std::string& id) const; 61 62 // Returns true if there are any extensions pending. 63 bool HasPendingExtensions() const; 64 65 // Whether there is pending extension install from sync. 66 bool HasPendingExtensionFromSync() const; 67 68 // Adds an extension in a pending state; the extension with the 69 // given info will be installed on the next auto-update cycle. 70 // Return true if the extension was added. Will return false 71 // if the extension is pending from another source which overrides 72 // sync installs (such as a policy extension) or if the extension 73 // is already installed. 74 // 75 // TODO(akalin): Replace |install_silently| with a list of 76 // pre-enabled permissions. 77 bool AddFromSync( 78 const std::string& id, 79 const GURL& update_url, 80 PendingExtensionInfo::ShouldAllowInstallPredicate should_allow_install, 81 bool install_silently, 82 bool remote_install, 83 bool installed_by_custodian); 84 85 // Adds an extension that was depended on by another extension. 86 bool AddFromExtensionImport( 87 const std::string& id, 88 const GURL& update_url, 89 PendingExtensionInfo::ShouldAllowInstallPredicate should_allow_install); 90 91 // Given an extension id and an update URL, schedule the extension 92 // to be fetched, installed, and activated. 93 bool AddFromExternalUpdateUrl(const std::string& id, 94 const std::string& install_parameter, 95 const GURL& update_url, 96 Manifest::Location location, 97 int creation_flags, 98 bool mark_acknowledged); 99 100 // Add a pending extension record for an external CRX file. 101 // Return true if the CRX should be installed, false if an existing 102 // pending record overrides it. 103 bool AddFromExternalFile( 104 const std::string& id, 105 Manifest::Location location, 106 const base::Version& version, 107 int creation_flags, 108 bool mark_acknowledged); 109 110 // Get the list of pending IDs that should be installed from an update URL. 111 // Pending extensions that will be installed from local files will not be 112 // included in the set. 113 void GetPendingIdsForUpdateCheck( 114 std::list<std::string>* out_ids_for_update_check) const; 115 116 private: 117 typedef std::list<PendingExtensionInfo> PendingExtensionList; 118 119 // Assumes an extension with id |id| is not already installed. 120 // Return true if the extension was added. 121 bool AddExtensionImpl( 122 const std::string& id, 123 const std::string& install_parameter, 124 const GURL& update_url, 125 const base::Version& version, 126 PendingExtensionInfo::ShouldAllowInstallPredicate should_allow_install, 127 bool is_from_sync, 128 bool install_silently, 129 Manifest::Location install_source, 130 int creation_flags, 131 bool mark_acknowledged, 132 bool remote_install); 133 134 // Add a pending extension record directly. Used for unit tests that need 135 // to set an inital state. Use friendship to allow the tests to call this 136 // method. 137 void AddForTesting(const PendingExtensionInfo& pending_extension_info); 138 139 // The BrowserContext with which the manager is associated. 140 content::BrowserContext* context_; 141 142 PendingExtensionList pending_extension_list_; 143 144 FRIEND_TEST_ALL_PREFIXES(::ExtensionServiceTest, 145 UpdatePendingExtensionAlreadyInstalled); 146 friend class ExtensionUpdaterTest; 147 friend void SetupPendingExtensionManagerForTest( 148 int count, const GURL& update_url, 149 PendingExtensionManager* pending_extension_manager); 150 151 DISALLOW_COPY_AND_ASSIGN(PendingExtensionManager); 152 }; 153 154 } // namespace extensions 155 156 #endif // CHROME_BROWSER_EXTENSIONS_PENDING_EXTENSION_MANAGER_H_ 157
