chrome/browser/extensions/extension_system_impl.h

   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_EXTENSION_SYSTEM_IMPL_H_
   6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_
   7
   8 #include "base/memory/scoped_vector.h"
   9 #include "extensions/browser/extension_system.h"
  10 #include "extensions/common/one_shot_event.h"
  11
  12 class DeclarativeUserScriptManager;
  13 class Profile;
  14
  15 namespace extensions {
  16
  17 class ContentVerifier;
  18 class ExtensionSystemSharedFactory;
  19 class NavigationObserver;
  20 class SharedUserScriptMaster;
  21 class StateStoreNotificationObserver;
  22
  23 // The ExtensionSystem for ProfileImpl and OffTheRecordProfileImpl.
  24 // Implementation details: non-shared services are owned by
  25 // ExtensionSystemImpl, a KeyedService with separate incognito
  26 // instances. A private Shared class (also a KeyedService,
  27 // but with a shared instance for incognito) keeps the common services.
  28 class ExtensionSystemImpl : public ExtensionSystem {
  29  public:
  30   explicit ExtensionSystemImpl(Profile* profile);
  31   ~ExtensionSystemImpl() override;
  32
  33   // KeyedService implementation.
  34   void Shutdown() override;
  35
  36   void InitForRegularProfile(bool extensions_enabled) override;
  37
  38   ExtensionService* extension_service() override;  // shared
  39   RuntimeData* runtime_data() override;            // shared
  40   ManagementPolicy* management_policy() override;  // shared
  41   SharedUserScriptMaster* shared_user_script_master() override;  // shared
  42   DeclarativeUserScriptManager* declarative_user_script_manager()
  43       override;                                                    // shared
  44   StateStore* state_store() override;                              // shared
  45   StateStore* rules_store() override;                              // shared
  46   LazyBackgroundTaskQueue* lazy_background_task_queue() override;  // shared
  47   InfoMap* info_map() override;                                    // shared
  48   EventRouter* event_router() override;                            // shared
  49   ErrorConsole* error_console() override;
  50   InstallVerifier* install_verifier() override;
  51   QuotaService* quota_service() override;  // shared
  52
  53   void RegisterExtensionWithRequestContexts(
  54       const Extension* extension) override;
  55
  56   void UnregisterExtensionWithRequestContexts(
  57       const std::string& extension_id,
  58       const UnloadedExtensionInfo::Reason reason) override;
  59
  60   const OneShotEvent& ready() const override;
  61   ContentVerifier* content_verifier() override;  // shared
  62   scoped_ptr<ExtensionSet> GetDependentExtensions(
  63       const Extension* extension) override;
  64
  65  private:
  66   friend class ExtensionSystemSharedFactory;
  67
  68   // Owns the Extension-related systems that have a single instance
  69   // shared between normal and incognito profiles.
  70   class Shared : public KeyedService {
  71    public:
  72     explicit Shared(Profile* profile);
  73     ~Shared() override;
  74
  75     // Initialization takes place in phases.
  76     virtual void InitPrefs();
  77     // This must not be called until all the providers have been created.
  78     void RegisterManagementPolicyProviders();
  79     void Init(bool extensions_enabled);
  80
  81     // KeyedService implementation.
  82     void Shutdown() override;
  83
  84     StateStore* state_store();
  85     StateStore* rules_store();
  86     ExtensionService* extension_service();
  87     RuntimeData* runtime_data();
  88     ManagementPolicy* management_policy();
  89     SharedUserScriptMaster* shared_user_script_master();
  90     DeclarativeUserScriptManager* declarative_user_script_manager();
  91     InfoMap* info_map();
  92     LazyBackgroundTaskQueue* lazy_background_task_queue();
  93     EventRouter* event_router();
  94     ErrorConsole* error_console();
  95     InstallVerifier* install_verifier();
  96     QuotaService* quota_service();
  97     const OneShotEvent& ready() const { return ready_; }
  98     ContentVerifier* content_verifier();
  99
 100    private:
 101     Profile* profile_;
 102
 103     // The services that are shared between normal and incognito profiles.
 104
 105     scoped_ptr<StateStore> state_store_;
 106     scoped_ptr<StateStoreNotificationObserver>
 107         state_store_notification_observer_;
 108     scoped_ptr<StateStore> rules_store_;
 109     // LazyBackgroundTaskQueue is a dependency of
 110     // MessageService and EventRouter.
 111     scoped_ptr<LazyBackgroundTaskQueue> lazy_background_task_queue_;
 112     scoped_ptr<EventRouter> event_router_;
 113     scoped_ptr<NavigationObserver> navigation_observer_;
 114     // Shared memory region manager for scripts statically declared in extension
 115     // manifests. This region is shared between all extensions.
 116     scoped_ptr<SharedUserScriptMaster> shared_user_script_master_;
 117     // Manager of a set of DeclarativeUserScript objects for programmatically
 118     // declared scripts.
 119     scoped_ptr<DeclarativeUserScriptManager> declarative_user_script_manager_;
 120     scoped_ptr<RuntimeData> runtime_data_;
 121     // ExtensionService depends on StateStore, Blacklist and RuntimeData.
 122     scoped_ptr<ExtensionService> extension_service_;
 123     scoped_ptr<ManagementPolicy> management_policy_;
 124     // extension_info_map_ needs to outlive process_manager_.
 125     scoped_refptr<InfoMap> extension_info_map_;
 126     scoped_ptr<ErrorConsole> error_console_;
 127     scoped_ptr<InstallVerifier> install_verifier_;
 128     scoped_ptr<QuotaService> quota_service_;
 129
 130     // For verifying the contents of extensions read from disk.
 131     scoped_refptr<ContentVerifier> content_verifier_;
 132
 133 #if defined(OS_CHROMEOS)
 134     scoped_ptr<chromeos::DeviceLocalAccountManagementPolicyProvider>
 135         device_local_account_management_policy_provider_;
 136 #endif
 137
 138     OneShotEvent ready_;
 139   };
 140
 141   Profile* profile_;
 142
 143   Shared* shared_;
 144
 145   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemImpl);
 146 };
 147
 148 }  // namespace extensions
 149
 150 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_