src/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 Profile;
  13
  14 namespace extensions {
  15
  16 class ContentVerifier;
  17 class DeclarativeUserScriptMaster;
  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   // shared
  42   SharedUserScriptMaster* shared_user_script_master() override;
  43   StateStore* state_store() override;                              // shared
  44   StateStore* rules_store() override;                              // shared
  45   LazyBackgroundTaskQueue* lazy_background_task_queue() override;  // shared
  46   InfoMap* info_map() override;                                    // shared
  47   EventRouter* event_router() override;                            // shared
  48   ErrorConsole* error_console() override;
  49   InstallVerifier* install_verifier() override;
  50   QuotaService* quota_service() override;  // shared
  51
  52   void RegisterExtensionWithRequestContexts(
  53       const Extension* extension) override;
  54
  55   void UnregisterExtensionWithRequestContexts(
  56       const std::string& extension_id,
  57       const UnloadedExtensionInfo::Reason reason) override;
  58
  59   const OneShotEvent& ready() const override;
  60   ContentVerifier* content_verifier() override;  // shared
  61   scoped_ptr<ExtensionSet> GetDependentExtensions(
  62       const Extension* extension) override;
  63
  64   DeclarativeUserScriptMaster* GetDeclarativeUserScriptMasterByExtension(
  65       const ExtensionId& extension_id) override;  // shared
  66
  67  private:
  68   friend class ExtensionSystemSharedFactory;
  69
  70   // Owns the Extension-related systems that have a single instance
  71   // shared between normal and incognito profiles.
  72   class Shared : public KeyedService {
  73    public:
  74     explicit Shared(Profile* profile);
  75     ~Shared() override;
  76
  77     // Initialization takes place in phases.
  78     virtual void InitPrefs();
  79     // This must not be called until all the providers have been created.
  80     void RegisterManagementPolicyProviders();
  81     void Init(bool extensions_enabled);
  82
  83     // KeyedService implementation.
  84     void Shutdown() override;
  85
  86     StateStore* state_store();
  87     StateStore* rules_store();
  88     ExtensionService* extension_service();
  89     RuntimeData* runtime_data();
  90     ManagementPolicy* management_policy();
  91     SharedUserScriptMaster* shared_user_script_master();
  92     InfoMap* info_map();
  93     LazyBackgroundTaskQueue* lazy_background_task_queue();
  94     EventRouter* event_router();
  95     ErrorConsole* error_console();
  96     InstallVerifier* install_verifier();
  97     QuotaService* quota_service();
  98     const OneShotEvent& ready() const { return ready_; }
  99     ContentVerifier* content_verifier();
 100
 101     DeclarativeUserScriptMaster* GetDeclarativeUserScriptMasterByExtension(
 102         const ExtensionId& extension_id);
 103
 104    private:
 105     Profile* profile_;
 106
 107     // The services that are shared between normal and incognito profiles.
 108
 109     scoped_ptr<StateStore> state_store_;
 110     scoped_ptr<StateStoreNotificationObserver>
 111         state_store_notification_observer_;
 112     scoped_ptr<StateStore> rules_store_;
 113     // LazyBackgroundTaskQueue is a dependency of
 114     // MessageService and EventRouter.
 115     scoped_ptr<LazyBackgroundTaskQueue> lazy_background_task_queue_;
 116     scoped_ptr<EventRouter> event_router_;
 117     scoped_ptr<NavigationObserver> navigation_observer_;
 118     // Shared memory region manager for scripts statically declared in extension
 119     // manifests. This region is shared between all extensions.
 120     scoped_ptr<SharedUserScriptMaster> shared_user_script_master_;
 121     // Shared memory region manager for programmatically declared scripts, one
 122     // per extension. Managers are instantiated the first time the declarative
 123     // API is used by an extension to request content scripts.
 124     ScopedVector<DeclarativeUserScriptMaster> declarative_user_script_masters_;
 125     scoped_ptr<RuntimeData> runtime_data_;
 126     // ExtensionService depends on StateStore, Blacklist and RuntimeData.
 127     scoped_ptr<ExtensionService> extension_service_;
 128     scoped_ptr<ManagementPolicy> management_policy_;
 129     // extension_info_map_ needs to outlive process_manager_.
 130     scoped_refptr<InfoMap> extension_info_map_;
 131     scoped_ptr<ErrorConsole> error_console_;
 132     scoped_ptr<InstallVerifier> install_verifier_;
 133     scoped_ptr<QuotaService> quota_service_;
 134
 135     // For verifying the contents of extensions read from disk.
 136     scoped_refptr<ContentVerifier> content_verifier_;
 137
 138 #if defined(OS_CHROMEOS)
 139     scoped_ptr<chromeos::DeviceLocalAccountManagementPolicyProvider>
 140         device_local_account_management_policy_provider_;
 141 #endif
 142
 143     OneShotEvent ready_;
 144   };
 145
 146   Profile* profile_;
 147
 148   Shared* shared_;
 149
 150   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemImpl);
 151 };
 152
 153 }  // namespace extensions
 154
 155 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_