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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 CHROME_BROWSER_EXTENSIONS_PENDING_ENABLES_H_
6 #define CHROME_BROWSER_EXTENSIONS_PENDING_ENABLES_H_
7 
8 #include <set>
9 
10 // Included for syncer::ModelType, which is in
11 // sync/internal_api/public/base/model_type.h but that is disallowed by
12 // chrome/browser/DEPS.
13 #include "sync/api/syncable_service.h"
14 
15 class ExtensionService;
16 class ProfileSyncService;
17 
18 namespace browser_sync {
19 class SyncPrefs;
20 }
21 
22 namespace extensions {
23 
24 class SyncBundle;
25 
26 // A pending enable is when an app or extension is enabled locally before sync
27 // has started. We track these to prevent sync data arriving and clobbering
28 // local state, and also to ensure that these early enables get synced to the
29 // server when sync does start.
30 class PendingEnables {
31  public:
32   PendingEnables(scoped_ptr<browser_sync::SyncPrefs> sync_prefs,
33                  SyncBundle* sync_bundle,
34                  syncer::ModelType enable_type);
35   ~PendingEnables();
36 
37   // Called when an extension is enabled / disabled locally.
38   // These will check the sync state and figure out whether the change
39   // needs to be remembered for syncing when syncing starts.
40   void OnExtensionEnabled(const std::string& extension_id);
41   void OnExtensionDisabled(const std::string& extension_id);
42 
43   // Called when |sync_bundle_| is ready to accept sync changes.
44   // Uses |service| to look up extensions from extension ids.
45   void OnSyncStarted(ExtensionService* service);
46 
47   // Whether |extension_id| has a pending enable.
48   bool Contains(const std::string& extension_id) const;
49 
50  private:
51   bool IsSyncEnabled();
52   bool IsWaitingForSync();
53 
54   scoped_ptr<browser_sync::SyncPrefs> sync_prefs_;
55   SyncBundle* sync_bundle_;
56   syncer::ModelType enable_type_;
57   std::set<std::string> ids_;
58 
59   bool is_sync_enabled_for_test_;
60 
61   DISALLOW_COPY_AND_ASSIGN(PendingEnables);
62 };
63 
64 }  // namespace extensions
65 
66 #endif  // CHROME_BROWSER_EXTENSIONS_PENDING_ENABLES_H_
67