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