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 DeclarativeUserScriptManager;
  27 class EventRouter;
  28 class InfoMap;
  29 class ProcessManager;
  30 class RendererStartupHelper;
  31 class SharedUserScriptMaster;
  32
  33 // A simplified version of ExtensionSystem for app_shell. Allows
  34 // app_shell to skip initialization of services it doesn't need.
  35 class ShellExtensionSystem : public ExtensionSystem {
  36  public:
  37   explicit ShellExtensionSystem(content::BrowserContext* browser_context);
  38   ~ShellExtensionSystem() override;
  39
  40   // Loads an unpacked application from a directory. Returns the extension on
  41   // success, or null otherwise.
  42   const Extension* LoadApp(const base::FilePath& app_dir);
  43
  44   // Initializes the extension system.
  45   void Init();
  46
  47   // Launch the app with id |extension_id|.
  48   void LaunchApp(const std::string& extension_id);
  49
  50   // KeyedService implementation:
  51   void Shutdown() override;
  52
  53   // ExtensionSystem implementation:
  54   void InitForRegularProfile(bool extensions_enabled) override;
  55   ExtensionService* extension_service() override;
  56   RuntimeData* runtime_data() override;
  57   ManagementPolicy* management_policy() override;
  58   SharedUserScriptMaster* shared_user_script_master() override;
  59   StateStore* state_store() override;
  60   StateStore* rules_store() override;
  61   InfoMap* info_map() override;
  62   EventRouter* event_router() override;
  63   QuotaService* quota_service() override;
  64   void RegisterExtensionWithRequestContexts(
  65       const Extension* extension) override;
  66   void UnregisterExtensionWithRequestContexts(
  67       const std::string& extension_id,
  68       const UnloadedExtensionInfo::Reason reason) override;
  69   const OneShotEvent& ready() const override;
  70   ContentVerifier* content_verifier() override;
  71   scoped_ptr<ExtensionSet> GetDependentExtensions(
  72       const Extension* extension) override;
  73
  74  private:
  75   content::BrowserContext* browser_context_;  // Not owned.
  76
  77   // Data to be accessed on the IO thread. Must outlive process_manager_.
  78   scoped_refptr<InfoMap> info_map_;
  79
  80   scoped_ptr<RuntimeData> runtime_data_;
  81   scoped_ptr<EventRouter> event_router_;
  82   scoped_ptr<QuotaService> quota_service_;
  83
  84   // Signaled when the extension system has completed its startup tasks.
  85   OneShotEvent ready_;
  86
  87   DISALLOW_COPY_AND_ASSIGN(ShellExtensionSystem);
  88 };
  89
  90 }  // namespace extensions
  91
  92 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_