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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.
#include "components/history/core/browser/history_delete_directives_data_type_controller.h"
#include "base/threading/thread_task_runner_handle.h"
#include "components/sync/driver/sync_client.h"
#include "components/sync/driver/sync_service.h"
namespace browser_sync {
HistoryDeleteDirectivesDataTypeController::
HistoryDeleteDirectivesDataTypeController(const base::Closure& dump_stack,
syncer::SyncClient* sync_client)
: syncer::AsyncDirectoryTypeController(syncer::HISTORY_DELETE_DIRECTIVES,
dump_stack,
sync_client,
syncer::GROUP_UI,
base::ThreadTaskRunnerHandle::Get()),
sync_client_(sync_client) {}
HistoryDeleteDirectivesDataTypeController::
~HistoryDeleteDirectivesDataTypeController() {
}
bool HistoryDeleteDirectivesDataTypeController::ReadyForStart() const {
DCHECK(CalledOnValidThread());
return !sync_client_->GetSyncService()->IsEncryptEverythingEnabled();
}
bool HistoryDeleteDirectivesDataTypeController::StartModels() {
DCHECK(CalledOnValidThread());
if (DisableTypeIfNecessary())
return false;
sync_client_->GetSyncService()->AddObserver(this);
return true;
}
void HistoryDeleteDirectivesDataTypeController::StopModels() {
DCHECK(CalledOnValidThread());
if (sync_client_->GetSyncService()->HasObserver(this))
sync_client_->GetSyncService()->RemoveObserver(this);
}
void HistoryDeleteDirectivesDataTypeController::OnStateChanged() {
DisableTypeIfNecessary();
}
bool HistoryDeleteDirectivesDataTypeController::DisableTypeIfNecessary() {
DCHECK(CalledOnValidThread());
if (!sync_client_->GetSyncService()->IsSyncActive())
return false;
if (ReadyForStart())
return false;
if (sync_client_->GetSyncService()->HasObserver(this))
sync_client_->GetSyncService()->RemoveObserver(this);
syncer::SyncError error(
FROM_HERE,
syncer::SyncError::DATATYPE_POLICY_ERROR,
"Delete directives not supported with encryption.",
type());
CreateErrorHandler()->OnUnrecoverableError(error);
return true;
}
} // namespace browser_sync
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