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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.adservices.ui.settings.fragments;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.android.adservices.api.R;
import com.android.adservices.data.topics.Topic;
import com.android.adservices.ui.settings.activities.BlockedTopicsActivity;
import com.android.adservices.ui.settings.delegates.BlockedTopicsActionDelegate;
import com.android.adservices.ui.settings.viewadatpors.TopicsListViewAdapter;
import com.android.adservices.ui.settings.viewmodels.BlockedTopicsViewModel;
import java.util.function.Function;
/** Fragment for the blocked topics view of the AdServices Settings App. */
public class AdServicesSettingsBlockedTopicsFragment extends Fragment {
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.blocked_topics_fragment, container, false);
}
@Override
public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
setupViewModel(view);
initActionListeners();
}
// initialize all action listeners except for actions in blocked topics list
private void initActionListeners() {
BlockedTopicsActionDelegate actionDelegate =
((BlockedTopicsActivity) requireActivity()).getActionDelegate();
actionDelegate.initBlockedTopicsFragment();
}
// initializes view model connection with blocked topics list.
// (Action listeners for each item in the list will be handled by the adapter)
private void setupViewModel(View rootView) {
// create adapter
BlockedTopicsViewModel viewModel =
new ViewModelProvider(requireActivity()).get(BlockedTopicsViewModel.class);
Function<Topic, View.OnClickListener> getOnclickListener =
topic -> view -> viewModel.restoreTopicConsentButtonClickHandler(topic);
TopicsListViewAdapter adapter =
new TopicsListViewAdapter(
requireContext(), viewModel.getBlockedTopics(), getOnclickListener, true);
// set adapter for recyclerView
RecyclerView recyclerView = rootView.findViewById(R.id.blocked_topics_list);
recyclerView.setLayoutManager(new LinearLayoutManager(requireContext()));
recyclerView.setAdapter(adapter);
View noBlockedTopicsMessage = rootView.findViewById(R.id.no_blocked_topics_message);
viewModel
.getBlockedTopics()
.observe(getViewLifecycleOwner(), blockedTopicsList -> {
noBlockedTopicsMessage.setVisibility(
blockedTopicsList.isEmpty() ? View.VISIBLE : View.GONE);
adapter.notifyDataSetChanged();
});
}
}
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