1 // Copyright 2014 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_SYNC_TEST_INTEGRATION_MIGRATION_WAITER_H_ 6 #define CHROME_BROWSER_SYNC_TEST_INTEGRATION_MIGRATION_WAITER_H_ 7 8 #include "base/macros.h" 9 #include "chrome/browser/sync/test/integration/status_change_checker.h" 10 #include "sync/internal_api/public/base/model_type.h" 11 12 class MigrationWatcher; 13 14 // Helper class that checks if the sync backend has successfully completed 15 // migration for a set of data types. 16 // 17 // Collaborates with the MigrationWatcher, defined above. 18 class MigrationWaiter : public StatusChangeChecker { 19 public: 20 // Initialize a waiter that will wait until |watcher|'s migrated types 21 // match the provided |exptected_types|. 22 MigrationWaiter(syncer::ModelTypeSet expected_types, 23 MigrationWatcher* watcher); 24 25 virtual ~MigrationWaiter(); 26 27 // Implementation of StatusChangeChecker. 28 virtual bool IsExitConditionSatisfied() OVERRIDE; 29 virtual std::string GetDebugMessage() const OVERRIDE; 30 31 // Function to trigger the waiting. 32 void Wait(); 33 34 // Callback invoked by our associated waiter when migration state changes. 35 void OnMigrationStateChange(); 36 37 private: 38 // The MigrationWatcher we're observering. 39 MigrationWatcher* const watcher_; 40 41 // The set of data types that are expected to eventually undergo migration. 42 const syncer::ModelTypeSet expected_types_; 43 44 DISALLOW_COPY_AND_ASSIGN(MigrationWaiter); 45 }; 46 47 #endif // CHROME_BROWSER_SYNC_TEST_INTEGRATION_MIGRATION_WAITER_H_ 48
