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1 // Copyright (c) 2011 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_SETTINGS_UI_WRAPPER_H_ | |
6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SETTINGS_UI_WRAPPER_H_ | |
7 #pragma once | |
8 | |
9 #include "base/compiler_specific.h" | |
10 #include "base/memory/ref_counted.h" | |
11 #include "base/callback.h" | |
12 #include "chrome/browser/sync/api/syncable_service.h" | |
13 | |
14 class FilePath; | |
15 class ExtensionSettings; | |
16 class ExtensionSettingsStorage; | |
17 | |
18 // Wrapper for an ExtensionSettings object for dealing with thread ownership. | |
19 // This class lives on the UI thread while ExtensionSettings object live on | |
20 // the FILE thread. | |
21 class ExtensionSettingsUIWrapper { | |
22 public: | |
23 explicit ExtensionSettingsUIWrapper(const FilePath& base_path); | |
24 | |
25 typedef base::Callback<void(ExtensionSettingsStorage*)> StorageCallback; | |
26 | |
27 // Runs |callback| on the FILE thread with the storage area for the extension | |
28 // with ID |extension_id|. | |
29 void RunWithStorage( | |
30 const std::string& extension_id, const StorageCallback& callback); | |
31 | |
32 // Gets the SyncableService component of the ExtensionSettings. The service | |
akalin
2011/09/21 01:58:41
remove this, and instead have:
void RunWithExtens
not at google - send to devlin
2011/09/21 03:55:18
This should make RunWithStorage unnecessary, right
akalin
2011/09/21 05:41:53
Yeah, that's true. Cool.
| |
33 // itself lives on the FILE thread. Needed for ProfileSyncFactory. | |
34 SyncableService* GetSyncableService(); | |
35 | |
36 ~ExtensionSettingsUIWrapper(); | |
37 | |
38 private: | |
39 // Ref-counted container for the ExtensionSettings object. Delegates | |
40 // SyncableService calls. | |
41 class Core : public base::RefCountedThreadSafe<Core>, public SyncableService { | |
akalin
2011/09/21 01:58:41
no need to have this be a syncableservice anymore
not at google - send to devlin
2011/09/21 03:55:18
Done.
| |
42 public: | |
43 // Constructed on UI thread. | |
44 explicit Core(const FilePath& base_path); | |
45 | |
46 // Runs |callback| with the storage area for the extension with ID | |
47 // |extension_id|. Must be run on the FILE thread. | |
48 void RunWithStorageOnFileThread( | |
49 const std::string& extension_id, const StorageCallback& callback); | |
50 | |
51 // SyncableService implementation (just delegates to |extension_settings_|). | |
52 // All run on the FILE thread. | |
53 // Note that when any of these methods are called, |extension_settings_| is | |
54 // guaranteed to have already been created, since |extension_settings_| is | |
55 // constructed on the FILE thread. | |
56 virtual SyncDataList GetAllSyncData( | |
57 syncable::ModelType type) const OVERRIDE; | |
58 virtual SyncError MergeDataAndStartSyncing( | |
59 syncable::ModelType type, | |
60 const SyncDataList& initial_sync_data, | |
61 SyncChangeProcessor* sync_processor) OVERRIDE; | |
62 virtual SyncError ProcessSyncChanges( | |
63 const tracked_objects::Location& from_here, | |
64 const SyncChangeList& change_list) OVERRIDE; | |
65 virtual void StopSyncing(syncable::ModelType type) OVERRIDE; | |
66 | |
67 private: | |
68 // Can be destroyed on either the UI or FILE thread. | |
69 virtual ~Core(); | |
70 friend class base::RefCountedThreadSafe<Core>; | |
71 | |
72 // Does any FILE thread specific initialization, such as construction of | |
73 // |extension_settings_|. | |
74 void InitOnFileThread(const FilePath& base_path); | |
75 | |
76 // Lives on the FILE thread. | |
77 ExtensionSettings* extension_settings_; | |
78 | |
79 DISALLOW_COPY_AND_ASSIGN(Core); | |
80 }; | |
81 | |
82 scoped_refptr<Core> core_; | |
83 | |
84 DISALLOW_COPY_AND_ASSIGN(ExtensionSettingsUIWrapper); | |
85 }; | |
86 | |
87 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_SETTINGS_UI_WRAPPER_H_ | |
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