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/*
* Copyright (C) 2016 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.settings.survey;
import android.app.Activity;
import android.content.BroadcastReceiver;
import androidx.fragment.app.Fragment;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.overlay.SurveyFeatureProvider;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnPause;
import com.android.settingslib.core.lifecycle.events.OnResume;
/**
* attaches extra, survey related work to the onResume method of registered observable classes
* in settings. This allows new classes to automatically support settings provided the extend
* one of the relevant classes in com.android.settings.lifecycle.
*/
public class SurveyMixin implements LifecycleObserver, OnResume, OnPause {
private String mName;
private Fragment mFragment;
private BroadcastReceiver mReceiver;
/**
* A mixin that attempts to perform survey related tasks right before onResume is called
* in a Settings PreferenceFragment. This will allow for remote updating and creation of
* surveys.
* @param fragment The fragment that this mixin will be attached to.
* @param fragmentName The simple name of the fragment.
*/
public SurveyMixin(Fragment fragment, String fragmentName) {
mName = fragmentName;
mFragment = fragment;
}
@Override
public void onResume() {
Activity activity = mFragment.getActivity();
// guard against the activity not existing yet or the feature being disabled
if (activity != null) {
SurveyFeatureProvider provider =
FeatureFactory.getFactory(activity).getSurveyFeatureProvider(activity);
if (provider != null) {
// Try to download a survey if there is none available, show the survey otherwise
String id = provider.getSurveyId(activity, mName);
if (provider.getSurveyExpirationDate(activity, id) <= -1) {
// register the receiver to show the survey on completion.
mReceiver = provider.createAndRegisterReceiver(activity);
provider.downloadSurvey(activity, id, null /* data */);
} else {
provider.showSurveyIfAvailable(activity, id);
}
}
}
}
@Override
public void onPause() {
Activity activity = mFragment.getActivity();
if (mReceiver != null && activity != null) {
SurveyFeatureProvider.unregisterReceiver(activity, mReceiver);
mReceiver = null;
}
}
}
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