1// Copyright (c) 2012 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_APP_SYNC_BUNDLE_H_
6#define CHROME_BROWSER_EXTENSIONS_APP_SYNC_BUNDLE_H_
7
8#include <map>
9#include <set>
10#include <string>
11#include <vector>
12
13#include "base/basictypes.h"
14#include "base/memory/scoped_ptr.h"
15#include "chrome/browser/extensions/app_sync_data.h"
16#include "chrome/browser/extensions/sync_bundle.h"
17#include "sync/api/syncable_service.h"
18
19class ExtensionSyncService;
20
21namespace syncer {
22class SyncChangeProcessor;
23class SyncErrorFactory;
24}
25
26namespace extensions {
27
28class Extension;
29class ExtensionSet;
30
31// Bundle of app specific sync stuff.
32class AppSyncBundle : public SyncBundle {
33 public:
34  explicit AppSyncBundle(ExtensionSyncService* extension_sync_service);
35  virtual ~AppSyncBundle();
36
37  // Setup this bundle to be sync application data.
38  void SetupSync(syncer::SyncChangeProcessor* sync_proccessor,
39                 syncer::SyncErrorFactory* sync_error_factory,
40                 const syncer::SyncDataList& initial_sync_data);
41
42  // Resets this class back to it default values, which will disable all syncing
43  // until a new sync processor is set.
44  void Reset();
45
46  // Returns a syncer::SyncChange that will delete the given application.
47  syncer::SyncChange CreateSyncChangeToDelete(const Extension* extension) const;
48
49  // Process the sync deletion of the given application.
50  void ProcessDeletion(const std::string& extension_id,
51                       const syncer::SyncChange& sync_change);
52
53  // Create a sync change based on |sync_data|.
54  syncer::SyncChange CreateSyncChange(const syncer::SyncData& sync_data);
55
56  // Get all the sync data contained in this bundle.
57  syncer::SyncDataList GetAllSyncData() const;
58
59  // Process the given sync change and apply it.
60  void ProcessSyncChange(AppSyncData app_sync_data);
61
62  // Process the list of sync changes.
63  void ProcessSyncChangeList(syncer::SyncChangeList sync_change_list);
64
65  // Check to see if the given |id| is either synced or pending to be synced.
66  bool HasExtensionId(const std::string& id) const;
67  bool HasPendingExtensionId(const std::string& id) const;
68
69  // Add a pending app to be synced.
70  void AddPendingApp(const std::string& id,
71                     const AppSyncData& app_sync_data);
72
73  // Returns a vector of all the pending sync data.
74  std::vector<AppSyncData> GetPendingData() const;
75
76  // Appends sync data objects for every app in |extensions|.
77  void GetAppSyncDataListHelper(
78      const ExtensionSet& extensions,
79      std::vector<extensions::AppSyncData>* sync_data_list) const;
80
81  // Overrides for SyncBundle.
82  // Returns true if SetupSync has been called, false otherwise.
83  virtual bool IsSyncing() const OVERRIDE;
84
85  // Sync a newly-installed application or change an existing one.
86  virtual void SyncChangeIfNeeded(const Extension& extension) OVERRIDE;
87
88 private:
89  // Add a synced app.
90  void AddApp(const std::string& id);
91
92  // Remove a synced app.
93  void RemoveApp(const std::string& id); // make private
94
95  // Change an app from being pending to synced.
96  void MarkPendingAppSynced(const std::string& id);
97
98  ExtensionSyncService* extension_sync_service_; // Own us.
99  scoped_ptr<syncer::SyncChangeProcessor> sync_processor_;
100  scoped_ptr<syncer::SyncErrorFactory> sync_error_factory_;
101
102  std::set<std::string> synced_apps_;
103  std::map<std::string, AppSyncData> pending_sync_data_;
104
105  DISALLOW_COPY_AND_ASSIGN(AppSyncBundle);
106};
107
108}  // namespace extensions
109
110#endif  // CHROME_BROWSER_EXTENSIONS_APP_SYNC_BUNDLE_H_
111