apps/shell/browser/shell_extension_system.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 APPS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
   6 #define APPS_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 EventRouter;
  27 class InfoMap;
  28 class LazyBackgroundTaskQueue;
  29 class ProcessManager;
  30 class RendererStartupHelper;
  31
  32 // A simplified version of ExtensionSystem for app_shell. Allows
  33 // app_shell to skip initialization of services it doesn't need.
  34 class ShellExtensionSystem : public ExtensionSystem {
  35  public:
  36   explicit ShellExtensionSystem(content::BrowserContext* browser_context);
  37   virtual ~ShellExtensionSystem();
  38
  39   // Loads an unpacked application from a directory. Returns true on success.
  40   bool LoadApp(const base::FilePath& app_dir);
  41
  42   // Launch the currently loaded app.
  43   void LaunchApp();
  44
  45   // KeyedService implementation:
  46   virtual void Shutdown() OVERRIDE;
  47
  48   // ExtensionSystem implementation:
  49   virtual void InitForRegularProfile(bool extensions_enabled) OVERRIDE;
  50   virtual ExtensionService* extension_service() OVERRIDE;
  51   virtual RuntimeData* runtime_data() OVERRIDE;
  52   virtual ManagementPolicy* management_policy() OVERRIDE;
  53   virtual UserScriptMaster* user_script_master() OVERRIDE;
  54   virtual ProcessManager* process_manager() OVERRIDE;
  55   virtual StateStore* state_store() OVERRIDE;
  56   virtual StateStore* rules_store() OVERRIDE;
  57   virtual InfoMap* info_map() OVERRIDE;
  58   virtual LazyBackgroundTaskQueue* lazy_background_task_queue()
  59       OVERRIDE;
  60   virtual EventRouter* event_router() OVERRIDE;
  61   virtual ExtensionWarningService* warning_service() OVERRIDE;
  62   virtual Blacklist* blacklist() OVERRIDE;
  63   virtual ErrorConsole* error_console() OVERRIDE;
  64   virtual InstallVerifier* install_verifier() OVERRIDE;
  65   virtual QuotaService* quota_service() OVERRIDE;
  66   virtual void RegisterExtensionWithRequestContexts(
  67       const Extension* extension) OVERRIDE;
  68   virtual void UnregisterExtensionWithRequestContexts(
  69       const std::string& extension_id,
  70       const UnloadedExtensionInfo::Reason reason) OVERRIDE;
  71   virtual const OneShotEvent& ready() const OVERRIDE;
  72   virtual ContentVerifier* content_verifier() OVERRIDE;
  73
  74  private:
  75   content::BrowserContext* browser_context_;  // Not owned.
  76
  77   // Extension ID for the app.
  78   std::string app_id_;
  79
  80   scoped_refptr<Extension> extension_;
  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<ProcessManager> process_manager_;
  89   scoped_ptr<QuotaService> quota_service_;
  90
  91   // Signaled when the extension system has completed its startup tasks.
  92   OneShotEvent ready_;
  93
  94   DISALLOW_COPY_AND_ASSIGN(ShellExtensionSystem);
  95 };
  96
  97 }  // namespace extensions
  98
  99 #endif  // APPS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_