chrome/browser/extensions/pending_enables.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 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 sync_driver {
  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<sync_driver::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 Add(const std::string& extension_id);
  41   void Remove(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<sync_driver::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_