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// 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_SYNC_TEST_INTEGRATION_MIGRATION_WATCHER_H_
#define CHROME_BROWSER_SYNC_TEST_INTEGRATION_MIGRATION_WATCHER_H_
#include "base/macros.h"
#include "chrome/browser/sync/backend_migrator.h"
#include "sync/internal_api/public/base/model_type.h"
class ProfileSyncServiceHarness;
class MigrationWaiter;
// Helper class to observe and record migration state.
class MigrationWatcher : public browser_sync::MigrationObserver {
public:
explicit MigrationWatcher(ProfileSyncServiceHarness* harness);
~MigrationWatcher() override;
// Returns true if the observed profile has a migration in progress.
bool HasPendingBackendMigration() const;
// Returns the set of types this class has observed being migrated.
syncer::ModelTypeSet GetMigratedTypes() const;
// Implementation of browser_sync::MigrationObserver.
void OnMigrationStateChange() override;
// Registers the |waiter| to receive callbacks on migration state change.
void set_migration_waiter(MigrationWaiter* waiter);
// Unregisters the current MigrationWaiter, if any.
void clear_migration_waiter();
private:
// The ProfileSyncServiceHarness to watch.
ProfileSyncServiceHarness* const harness_;
// The set of data types currently undergoing migration.
syncer::ModelTypeSet pending_types_;
// The set of data types for which migration is complete. Accumulated by
// successive calls to OnMigrationStateChanged.
syncer::ModelTypeSet migrated_types_;
// The MigrationWatier that is waiting for this migration to complete.
MigrationWaiter* migration_waiter_;
DISALLOW_COPY_AND_ASSIGN(MigrationWatcher);
};
#endif // CHROME_BROWSER_SYNC_TEST_INTEGRATION_MIGRATION_WATCHER_H_
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