extensions/shell/browser/shell_extension_system.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 EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
   6 #define EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
   7
   8 #include <vector>
   9
  10 #include "base/compiler_specific.h"
  11 #include "extensions/browser/extension_system.h"
  12 #include "extensions/common/one_shot_event.h"
  13
  14 class BrowserContextKeyedServiceFactory;
  15
  16 namespace base {
  17 class FilePath;
  18 }
  19
  20 namespace content {
  21 class BrowserContext;
  22 }
  23
  24 namespace extensions {
  25
  26 class InfoMap;
  27 class ProcessManager;
  28 class RendererStartupHelper;
  29 class SharedUserScriptMaster;
  30
  31 // A simplified version of ExtensionSystem for app_shell. Allows
  32 // app_shell to skip initialization of services it doesn't need.
  33 class ShellExtensionSystem : public ExtensionSystem {
  34  public:
  35   explicit ShellExtensionSystem(content::BrowserContext* browser_context);
  36   ~ShellExtensionSystem() override;
  37
  38   // Loads an unpacked application from a directory. Returns the extension on
  39   // success, or null otherwise.
  40   const Extension* LoadApp(const base::FilePath& app_dir);
  41
  42   // Initializes the extension system.
  43   void Init();
  44
  45   // Launch the app with id |extension_id|.
  46   void LaunchApp(const std::string& extension_id);
  47
  48   // KeyedService implementation:
  49   void Shutdown() override;
  50
  51   // ExtensionSystem implementation:
  52   void InitForRegularProfile(bool extensions_enabled) override;
  53   ExtensionService* extension_service() override;
  54   RuntimeData* runtime_data() override;
  55   ManagementPolicy* management_policy() override;
  56   SharedUserScriptMaster* shared_user_script_master() override;
  57   StateStore* state_store() override;
  58   StateStore* rules_store() override;
  59   InfoMap* info_map() override;
  60   QuotaService* quota_service() override;
  61   void RegisterExtensionWithRequestContexts(
  62       const Extension* extension) override;
  63   void UnregisterExtensionWithRequestContexts(
  64       const std::string& extension_id,
  65       const UnloadedExtensionInfo::Reason reason) override;
  66   const OneShotEvent& ready() const override;
  67   ContentVerifier* content_verifier() override;
  68   scoped_ptr<ExtensionSet> GetDependentExtensions(
  69       const Extension* extension) override;
  70
  71  private:
  72   content::BrowserContext* browser_context_;  // Not owned.
  73
  74   // Data to be accessed on the IO thread. Must outlive process_manager_.
  75   scoped_refptr<InfoMap> info_map_;
  76
  77   scoped_ptr<RuntimeData> runtime_data_;
  78   scoped_ptr<QuotaService> quota_service_;
  79
  80   // Signaled when the extension system has completed its startup tasks.
  81   OneShotEvent ready_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(ShellExtensionSystem);
  84 };
  85
  86 }  // namespace extensions
  87
  88 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_