| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_ |
| #define CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_ |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/callback_forward.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "chrome/browser/prefs/tracked/pref_hash_store.h" |
| |
| class HashStoreContents; |
| class InterceptablePrefFilter; |
| class PrefHashStore; |
| |
| // Sets up InterceptablePrefFilter::FilterOnLoadInterceptors on |
| // |unprotected_pref_filter| and |protected_pref_filter| which prevents each |
| // filter from running their on load operations until the interceptors decide to |
| // hand the prefs back to them (after migration is complete). | |
| // (un)protected_store_cleaner| and |
| // |register_on_successful_(un)protected_store_write_callback| are used to do |
| // post-migration cleanup tasks. Those should be bound to weak pointers to avoid |
| // blocking shutdown. |(un)protected_pref_hash_store| and |
| // |legacy_pref_hash_store| are used to migrate MACs along with their protected |
| // preferences and/or from the legacy location in Local State. Migrated MACs |
| // will only be cleared from their old location in a subsequent run. The |
| // migration framework is resilient to a failed cleanup (it will simply try |
| // again in the next Chrome run). |
| void SetupTrackedPreferencesMigration( |
| const std::set<std::string>& unprotected_pref_names, |
| const std::set<std::string>& protected_pref_names, |
| const base::Callback<void(const std::string& key)>& |
| unprotected_store_cleaner, |
| const base::Callback<void(const std::string& key)>& protected_store_cleaner, |
| const base::Callback<void(const base::Closure&)>& |
| register_on_successful_unprotected_store_write_callback, |
| const base::Callback<void(const base::Closure&)>& |
| register_on_successful_protected_store_write_callback, |
| scoped_ptr<PrefHashStore> unprotected_pref_hash_store, |
| scoped_ptr<PrefHashStore> protected_pref_hash_store, |
| scoped_ptr<HashStoreContents> legacy_pref_hash_store, |
| InterceptablePrefFilter* unprotected_pref_filter, |
| InterceptablePrefFilter* protected_pref_filter); |
| |
| #endif // CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_ |