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   StateStore* state_store() override;                              // shared
  43   StateStore* rules_store() override;                              // shared
  44   InfoMap* info_map() override;                                    // shared
  45   QuotaService* quota_service() override;  // shared
  46
  47   void RegisterExtensionWithRequestContexts(
  48       const Extension* extension) override;
  49
  50   void UnregisterExtensionWithRequestContexts(
  51       const std::string& extension_id,
  52       const UnloadedExtensionInfo::Reason reason) override;
  53
  54   const OneShotEvent& ready() const override;
  55   ContentVerifier* content_verifier() override;  // shared
  56   scoped_ptr<ExtensionSet> GetDependentExtensions(
  57       const Extension* extension) override;
  58
  59  private:
  60   friend class ExtensionSystemSharedFactory;
  61
  62   // Owns the Extension-related systems that have a single instance
  63   // shared between normal and incognito profiles.
  64   class Shared : public KeyedService {
  65    public:
  66     explicit Shared(Profile* profile);
  67     ~Shared() override;
  68
  69     // Initialization takes place in phases.
  70     virtual void InitPrefs();
  71     // This must not be called until all the providers have been created.
  72     void RegisterManagementPolicyProviders();
  73     void Init(bool extensions_enabled);
  74
  75     // KeyedService implementation.
  76     void Shutdown() override;
  77
  78     StateStore* state_store();
  79     StateStore* rules_store();
  80     ExtensionService* extension_service();
  81     RuntimeData* runtime_data();
  82     ManagementPolicy* management_policy();
  83     SharedUserScriptMaster* shared_user_script_master();
  84     InfoMap* info_map();
  85     QuotaService* quota_service();
  86     const OneShotEvent& ready() const { return ready_; }
  87     ContentVerifier* content_verifier();
  88
  89    private:
  90     Profile* profile_;
  91
  92     // The services that are shared between normal and incognito profiles.
  93
  94     scoped_ptr<StateStore> state_store_;
  95     scoped_ptr<StateStoreNotificationObserver>
  96         state_store_notification_observer_;
  97     scoped_ptr<StateStore> rules_store_;
  98     scoped_ptr<NavigationObserver> navigation_observer_;
  99     // Shared memory region manager for scripts statically declared in extension
 100     // manifests. This region is shared between all extensions.
 101     scoped_ptr<SharedUserScriptMaster> shared_user_script_master_;
 102     scoped_ptr<RuntimeData> runtime_data_;
 103     // ExtensionService depends on StateStore, Blacklist and RuntimeData.
 104     scoped_ptr<ExtensionService> extension_service_;
 105     scoped_ptr<ManagementPolicy> management_policy_;
 106     // extension_info_map_ needs to outlive process_manager_.
 107     scoped_refptr<InfoMap> extension_info_map_;
 108     scoped_ptr<QuotaService> quota_service_;
 109
 110     // For verifying the contents of extensions read from disk.
 111     scoped_refptr<ContentVerifier> content_verifier_;
 112
 113 #if defined(OS_CHROMEOS)
 114     scoped_ptr<chromeos::DeviceLocalAccountManagementPolicyProvider>
 115         device_local_account_management_policy_provider_;
 116 #endif
 117
 118     OneShotEvent ready_;
 119   };
 120
 121   Profile* profile_;
 122
 123   Shared* shared_;
 124
 125   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemImpl);
 126 };
 127
 128 }  // namespace extensions
 129
 130 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_