chrome/browser/policy/schema_registry_service_factory.h

   1 // Copyright 2013 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_POLICY_SCHEMA_REGISTRY_SERVICE_FACTORY_H_
   6 #define CHROME_BROWSER_POLICY_SCHEMA_REGISTRY_SERVICE_FACTORY_H_
   7
   8 #include <map>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/macros.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/memory/singleton.h"
  14 #include "components/keyed_service/content/browser_context_keyed_base_factory.h"
  15
  16 namespace content {
  17 class BrowserContext;
  18 }
  19
  20 namespace policy {
  21
  22 class CombinedSchemaRegistry;
  23 class Schema;
  24 class SchemaRegistryService;
  25
  26 // Creates SchemaRegistryServices for BrowserContexts.
  27 // TODO(joaodasilva): Convert this class to a proper BCKS once the PrefService
  28 // becomes a BCKS too. For now the PrefService depends on the
  29 // UserCloudPolicyManager, which depends on this.
  30 class SchemaRegistryServiceFactory : public BrowserContextKeyedBaseFactory {
  31  public:
  32   // Returns the SchemaRegistryServiceFactory singleton.
  33   static SchemaRegistryServiceFactory* GetInstance();
  34
  35   // Returns the SchemaRegistryService associated with |context|. This is only
  36   // valid before |context| is shut down.
  37   static SchemaRegistryService* GetForContext(content::BrowserContext* context);
  38
  39   // Creates a new SchemaRegistryService for |context|, which must be managed
  40   // by the caller. Subsequent calls to GetForContext() will return the instance
  41   // created, as long as it lives.
  42   static scoped_ptr<SchemaRegistryService> CreateForContext(
  43       content::BrowserContext* context,
  44       const Schema& chrome_schema,
  45       CombinedSchemaRegistry* global_registry);
  46
  47  private:
  48   friend struct DefaultSingletonTraits<SchemaRegistryServiceFactory>;
  49
  50   SchemaRegistryServiceFactory();
  51   ~SchemaRegistryServiceFactory() override;
  52
  53   SchemaRegistryService* GetForContextInternal(
  54       content::BrowserContext* context);
  55
  56   scoped_ptr<SchemaRegistryService> CreateForContextInternal(
  57       content::BrowserContext* context,
  58       const Schema& chrome_schema,
  59       CombinedSchemaRegistry* global_registry);
  60
  61   // BrowserContextKeyedBaseFactory:
  62   void BrowserContextShutdown(content::BrowserContext* context) override;
  63   void BrowserContextDestroyed(content::BrowserContext* context) override;
  64   void SetEmptyTestingFactory(content::BrowserContext* context) override;
  65   bool HasTestingFactory(content::BrowserContext* context) override;
  66   void CreateServiceNow(content::BrowserContext* context) override;
  67
  68   typedef std::map<content::BrowserContext*, SchemaRegistryService*>
  69       RegistryMap;
  70   RegistryMap registries_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(SchemaRegistryServiceFactory);
  73 };
  74
  75 }  // namespace policy
  76
  77 #endif  // CHROME_BROWSER_POLICY_SCHEMA_REGISTRY_SERVICE_FACTORY_H_