shell_extension_system.h revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
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
14class BrowserContextKeyedServiceFactory;
15
16namespace base {
17class FilePath;
18}
19
20namespace content {
21class BrowserContext;
22}
23
24namespace extensions {
25
26class DeclarativeUserScriptMaster;
27class EventRouter;
28class InfoMap;
29class LazyBackgroundTaskQueue;
30class ProcessManager;
31class RendererStartupHelper;
32class SharedUserScriptMaster;
33
34// A simplified version of ExtensionSystem for app_shell. Allows
35// app_shell to skip initialization of services it doesn't need.
36class ShellExtensionSystem : public ExtensionSystem {
37 public:
38  explicit ShellExtensionSystem(content::BrowserContext* browser_context);
39  virtual ~ShellExtensionSystem();
40
41  // Loads an unpacked application from a directory. Returns true on success.
42  bool LoadApp(const base::FilePath& app_dir);
43
44  // Launch the currently loaded app.
45  void LaunchApp();
46
47  // KeyedService implementation:
48  virtual void Shutdown() OVERRIDE;
49
50  scoped_refptr<Extension> extension() { return extension_; }
51
52  // ExtensionSystem implementation:
53  virtual void InitForRegularProfile(bool extensions_enabled) OVERRIDE;
54  virtual ExtensionService* extension_service() OVERRIDE;
55  virtual RuntimeData* runtime_data() OVERRIDE;
56  virtual ManagementPolicy* management_policy() OVERRIDE;
57  virtual SharedUserScriptMaster* shared_user_script_master() OVERRIDE;
58  virtual ProcessManager* process_manager() OVERRIDE;
59  virtual StateStore* state_store() OVERRIDE;
60  virtual StateStore* rules_store() OVERRIDE;
61  virtual InfoMap* info_map() OVERRIDE;
62  virtual LazyBackgroundTaskQueue* lazy_background_task_queue() OVERRIDE;
63  virtual EventRouter* event_router() OVERRIDE;
64  virtual ExtensionWarningService* warning_service() OVERRIDE;
65  virtual Blacklist* blacklist() OVERRIDE;
66  virtual ErrorConsole* error_console() OVERRIDE;
67  virtual InstallVerifier* install_verifier() OVERRIDE;
68  virtual QuotaService* quota_service() OVERRIDE;
69  virtual void RegisterExtensionWithRequestContexts(
70      const Extension* extension) OVERRIDE;
71  virtual void UnregisterExtensionWithRequestContexts(
72      const std::string& extension_id,
73      const UnloadedExtensionInfo::Reason reason) OVERRIDE;
74  virtual const OneShotEvent& ready() const OVERRIDE;
75  virtual ContentVerifier* content_verifier() OVERRIDE;
76  virtual scoped_ptr<ExtensionSet> GetDependentExtensions(
77      const Extension* extension) OVERRIDE;
78  virtual DeclarativeUserScriptMaster*
79      GetDeclarativeUserScriptMasterByExtension(
80          const ExtensionId& extension_id) OVERRIDE;
81
82 private:
83  content::BrowserContext* browser_context_;  // Not owned.
84
85  // Extension ID for the app.
86  std::string app_id_;
87
88  scoped_refptr<Extension> extension_;
89
90  // Data to be accessed on the IO thread. Must outlive process_manager_.
91  scoped_refptr<InfoMap> info_map_;
92
93  scoped_ptr<RuntimeData> runtime_data_;
94  scoped_ptr<LazyBackgroundTaskQueue> lazy_background_task_queue_;
95  scoped_ptr<EventRouter> event_router_;
96  scoped_ptr<ProcessManager> process_manager_;
97  scoped_ptr<QuotaService> quota_service_;
98
99  // Signaled when the extension system has completed its startup tasks.
100  OneShotEvent ready_;
101
102  DISALLOW_COPY_AND_ASSIGN(ShellExtensionSystem);
103};
104
105}  // namespace extensions
106
107#endif  // EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
108