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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef EXTENSIONS_BROWSER_EXTENSION_USER_SCRIPT_LOADER_H_ | 5 #ifndef EXTENSIONS_BROWSER_EXTENSION_USER_SCRIPT_LOADER_H_ |
6 #define EXTENSIONS_BROWSER_EXTENSION_USER_SCRIPT_LOADER_H_ | 6 #define EXTENSIONS_BROWSER_EXTENSION_USER_SCRIPT_LOADER_H_ |
7 | 7 |
8 #include "base/memory/shared_memory.h" | 8 #include "base/memory/shared_memory.h" |
9 #include "extensions/browser/extension_registry_observer.h" | 9 #include "extensions/browser/extension_registry_observer.h" |
10 #include "extensions/browser/user_script_loader.h" | 10 #include "extensions/browser/user_script_loader.h" |
11 #include "extensions/common/extension.h" | 11 #include "extensions/common/extension.h" |
12 | 12 |
13 namespace content { | 13 namespace content { |
14 class BrowserContext; | 14 class BrowserContext; |
15 } | 15 } |
16 | 16 |
17 namespace extensions { | 17 namespace extensions { |
18 | 18 |
| 19 class ContentVerifier; |
19 class ExtensionRegistry; | 20 class ExtensionRegistry; |
20 | 21 |
21 // UserScriptLoader for extensions. | 22 // UserScriptLoader for extensions. |
22 class ExtensionUserScriptLoader : public UserScriptLoader, | 23 class ExtensionUserScriptLoader : public UserScriptLoader, |
23 public ExtensionRegistryObserver { | 24 public ExtensionRegistryObserver { |
24 public: | 25 public: |
| 26 using PathAndDefaultLocale = std::pair<base::FilePath, std::string>; |
| 27 using HostsInfo = std::map<HostID, PathAndDefaultLocale>; |
| 28 |
25 // The listen_for_extension_system_loaded is only set true when initilizing | 29 // The listen_for_extension_system_loaded is only set true when initilizing |
26 // the Extension System, e.g, when constructs SharedUserScriptMaster in | 30 // the Extension System, e.g, when constructs SharedUserScriptMaster in |
27 // ExtensionSystemImpl. | 31 // ExtensionSystemImpl. |
28 ExtensionUserScriptLoader(content::BrowserContext* browser_context, | 32 ExtensionUserScriptLoader(content::BrowserContext* browser_context, |
29 const HostID& host_id, | 33 const HostID& host_id, |
30 bool listen_for_extension_system_loaded); | 34 bool listen_for_extension_system_loaded); |
31 ~ExtensionUserScriptLoader() override; | 35 ~ExtensionUserScriptLoader() override; |
32 | 36 |
| 37 // A wrapper around the method to load user scripts, which is normally run on |
| 38 // the file thread. Exposed only for tests. |
| 39 void LoadScriptsForTest(UserScriptList* user_scripts); |
| 40 |
33 private: | 41 private: |
34 // UserScriptLoader: | 42 // UserScriptLoader: |
35 void UpdateHostsInfo(const std::set<HostID>& changed_hosts) override; | 43 void LoadScripts(scoped_ptr<UserScriptList> user_scripts, |
36 LoadUserScriptsContentFunction GetLoadUserScriptsFunction() override; | 44 const std::set<HostID>& changed_hosts, |
| 45 const std::set<int>& added_script_ids, |
| 46 LoadScriptsCallback callback) override; |
| 47 |
| 48 // Updates |hosts_info_| to contain info for each element of |
| 49 // |changed_hosts_|. |
| 50 void UpdateHostsInfo(const std::set<HostID>& changed_hosts); |
37 | 51 |
38 // ExtensionRegistryObserver: | 52 // ExtensionRegistryObserver: |
39 void OnExtensionUnloaded(content::BrowserContext* browser_context, | 53 void OnExtensionUnloaded(content::BrowserContext* browser_context, |
40 const Extension* extension, | 54 const Extension* extension, |
41 UnloadedExtensionInfo::Reason reason) override; | 55 UnloadedExtensionInfo::Reason reason) override; |
42 | 56 |
43 // Initiates script load when we have been waiting for the extension system | 57 // Initiates script load when we have been waiting for the extension system |
44 // to be ready. | 58 // to be ready. |
45 void OnExtensionSystemReady(); | 59 void OnExtensionSystemReady(); |
46 | 60 |
| 61 // Maps host info needed for localization to a host ID. |
| 62 HostsInfo hosts_info_; |
| 63 |
| 64 // Manages content verification of the loaded user scripts. |
| 65 scoped_refptr<ContentVerifier> content_verifier_; |
| 66 |
47 ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver> | 67 ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver> |
48 extension_registry_observer_; | 68 extension_registry_observer_; |
49 | 69 |
50 base::WeakPtrFactory<ExtensionUserScriptLoader> weak_factory_; | 70 base::WeakPtrFactory<ExtensionUserScriptLoader> weak_factory_; |
51 | 71 |
52 DISALLOW_COPY_AND_ASSIGN(ExtensionUserScriptLoader); | 72 DISALLOW_COPY_AND_ASSIGN(ExtensionUserScriptLoader); |
53 }; | 73 }; |
54 | 74 |
55 } // namespace extensions | 75 } // namespace extensions |
56 | 76 |
57 #endif // EXTENSIONS_BROWSER_EXTENSION_USER_SCRIPT_LOADER_H_ | 77 #endif // EXTENSIONS_BROWSER_EXTENSION_USER_SCRIPT_LOADER_H_ |
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