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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.delegates;
import android.content.Intent;
import android.util.Pair;
import android.view.View;
import androidx.lifecycle.Observer;
import com.android.adservices.api.R;
import com.android.adservices.data.topics.Topic;
import com.android.adservices.service.PhFlags;
import com.android.adservices.ui.settings.DialogManager;
import com.android.adservices.ui.settings.activities.BlockedTopicsActivity;
import com.android.adservices.ui.settings.activities.TopicsActivity;
import com.android.adservices.ui.settings.fragments.AdServicesSettingsTopicsFragment;
import com.android.adservices.ui.settings.viewmodels.TopicsViewModel;
import com.android.adservices.ui.settings.viewmodels.TopicsViewModel.TopicsViewModelUiEvent;
/**
* Delegate class that helps AdServices Settings fragments to respond to all view model/user events.
*/
public class TopicsActionDelegate extends BaseActionDelegate {
private final TopicsActivity mTopicsActivity;
private final TopicsViewModel mTopicsViewModel;
public TopicsActionDelegate(TopicsActivity topicsActivity, TopicsViewModel topicsViewModel) {
super(topicsActivity);
mTopicsActivity = topicsActivity;
mTopicsViewModel = topicsViewModel;
listenToTopicsViewModelUiEvents();
}
private void listenToTopicsViewModelUiEvents() {
Observer<Pair<TopicsViewModelUiEvent, Topic>> observer =
eventTopicPair -> {
if (eventTopicPair == null) {
return;
}
TopicsViewModelUiEvent event = eventTopicPair.first;
Topic topic = eventTopicPair.second;
if (event == null) {
return;
}
try {
switch (event) {
case BLOCK_TOPIC:
logUIAction(ActionEnum.BLOCK_TOPIC_SELECTED);
if (PhFlags.getInstance().getUIDialogsFeatureEnabled()) {
DialogManager.showBlockTopicDialog(
mTopicsActivity, mTopicsViewModel, topic);
} else {
mTopicsViewModel.revokeTopicConsent(topic);
}
break;
case RESET_TOPICS:
logUIAction(ActionEnum.RESET_TOPIC_SELECTED);
if (PhFlags.getInstance().getUIDialogsFeatureEnabled()) {
DialogManager.showResetTopicDialog(
mTopicsActivity, mTopicsViewModel);
} else {
mTopicsViewModel.resetTopics();
}
break;
case DISPLAY_BLOCKED_TOPICS_FRAGMENT:
Intent intent =
new Intent(mTopicsActivity, BlockedTopicsActivity.class);
mTopicsActivity.startActivity(intent);
break;
}
} finally {
mTopicsViewModel.uiEventHandled();
}
};
mTopicsViewModel.getUiEvents().observe(mTopicsActivity, observer);
}
/**
* Configure all UI elements (except topics list) in {@link AdServicesSettingsTopicsFragment} to
* handle user actions.
*/
public void initTopicsFragment(AdServicesSettingsTopicsFragment fragment) {
mTopicsActivity.setTitle(R.string.settingsUI_topics_view_title);
configureBlockedTopicsFragmentButton(fragment);
configureResetTopicsButton(fragment);
}
private void configureBlockedTopicsFragmentButton(AdServicesSettingsTopicsFragment fragment) {
View blockedTopicsButton = fragment.requireView().findViewById(R.id.blocked_topics_button);
View blockedTopicsWhenEmptyListButton =
fragment.requireView().findViewById(R.id.blocked_topics_when_empty_state_button);
blockedTopicsButton.setOnClickListener(
view -> mTopicsViewModel.blockedTopicsFragmentButtonClickHandler());
blockedTopicsWhenEmptyListButton.setOnClickListener(
view -> mTopicsViewModel.blockedTopicsFragmentButtonClickHandler());
}
private void configureResetTopicsButton(AdServicesSettingsTopicsFragment fragment) {
View resetTopicsButton = fragment.requireView().findViewById(R.id.reset_topics_button);
resetTopicsButton.setOnClickListener(
view -> mTopicsViewModel.resetTopicsButtonClickHandler());
}
}
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