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 LazyBackgroundTaskQueue;
  30 class ProcessManager;
  31 class RendererStartupHelper;
  32 class SharedUserScriptMaster;
  33
  34 // A simplified version of ExtensionSystem for app_shell. Allows
  35 // app_shell to skip initialization of services it doesn't need.
  36 class ShellExtensionSystem : public ExtensionSystem {
  37  public:
  38   explicit ShellExtensionSystem(content::BrowserContext* browser_context);
  39   ~ShellExtensionSystem() override;
  40
  41   // Loads an unpacked application from a directory. Returns the extension on
  42   // success, or null otherwise.
  43   const Extension* LoadApp(const base::FilePath& app_dir);
  44
  45   // Initializes the extension system.
  46   void Init();
  47
  48   // Launch the app with id |extension_id|.
  49   void LaunchApp(const std::string& extension_id);
  50
  51   // KeyedService implementation:
  52   void Shutdown() override;
  53
  54   // ExtensionSystem implementation:
  55   void InitForRegularProfile(bool extensions_enabled) override;
  56   ExtensionService* extension_service() override;
  57   RuntimeData* runtime_data() override;
  58   ManagementPolicy* management_policy() override;
  59   SharedUserScriptMaster* shared_user_script_master() override;
  60   DeclarativeUserScriptManager* declarative_user_script_manager() override;
  61   StateStore* state_store() override;
  62   StateStore* rules_store() override;
  63   InfoMap* info_map() override;
  64   LazyBackgroundTaskQueue* lazy_background_task_queue() override;
  65   EventRouter* event_router() override;
  66   ErrorConsole* error_console() override;
  67   InstallVerifier* install_verifier() override;
  68   QuotaService* quota_service() override;
  69   void RegisterExtensionWithRequestContexts(
  70       const Extension* extension) override;
  71   void UnregisterExtensionWithRequestContexts(
  72       const std::string& extension_id,
  73       const UnloadedExtensionInfo::Reason reason) override;
  74   const OneShotEvent& ready() const override;
  75   ContentVerifier* content_verifier() override;
  76   scoped_ptr<ExtensionSet> GetDependentExtensions(
  77       const Extension* extension) override;
  78
  79  private:
  80   content::BrowserContext* browser_context_;  // Not owned.
  81
  82   // Data to be accessed on the IO thread. Must outlive process_manager_.
  83   scoped_refptr<InfoMap> info_map_;
  84
  85   scoped_ptr<RuntimeData> runtime_data_;
  86   scoped_ptr<LazyBackgroundTaskQueue> lazy_background_task_queue_;
  87   scoped_ptr<EventRouter> event_router_;
  88   scoped_ptr<QuotaService> quota_service_;
  89
  90   // Signaled when the extension system has completed its startup tasks.
  91   OneShotEvent ready_;
  92
  93   DISALLOW_COPY_AND_ASSIGN(ShellExtensionSystem);
  94 };
  95
  96 }  // namespace extensions
  97
  98 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_