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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sync/model/in_memory_metadata_change_list.h"
#include <memory>
namespace syncer {
InMemoryMetadataChangeList::InMemoryMetadataChangeList() = default;
InMemoryMetadataChangeList::~InMemoryMetadataChangeList() = default;
void InMemoryMetadataChangeList::TransferChangesTo(MetadataChangeList* other) {
DCHECK(other);
for (const auto& [storage_key, change] : metadata_changes_) {
switch (change.type) {
case UPDATE:
other->UpdateMetadata(storage_key, change.metadata);
break;
case CLEAR:
other->ClearMetadata(storage_key);
break;
}
}
metadata_changes_.clear();
if (state_change_) {
switch (state_change_->type) {
case UPDATE:
other->UpdateDataTypeState(state_change_->state);
break;
case CLEAR:
other->ClearDataTypeState();
break;
}
state_change_.reset();
}
}
void InMemoryMetadataChangeList::DropMetadataChangeForStorageKey(
const std::string& storage_key) {
metadata_changes_.erase(storage_key);
}
void InMemoryMetadataChangeList::UpdateDataTypeState(
const sync_pb::DataTypeState& data_type_state) {
state_change_ = std::make_unique<DataTypeStateChange>(
DataTypeStateChange{UPDATE, data_type_state});
}
void InMemoryMetadataChangeList::ClearDataTypeState() {
state_change_ = std::make_unique<DataTypeStateChange>(
DataTypeStateChange{CLEAR, sync_pb::DataTypeState()});
}
void InMemoryMetadataChangeList::UpdateMetadata(
const std::string& storage_key,
const sync_pb::EntityMetadata& metadata) {
metadata_changes_[storage_key] = {UPDATE, metadata};
}
void InMemoryMetadataChangeList::ClearMetadata(const std::string& storage_key) {
metadata_changes_[storage_key] = {CLEAR, sync_pb::EntityMetadata()};
}
} // namespace syncer
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