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/*
* Copyright (C) 2021 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.tv.settings.enterprise;
import android.content.Context;
import android.icu.text.MessageFormat;
import androidx.preference.Preference;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.tv.settings.R;
import com.android.tv.settings.enterprise.apps.ApplicationFeatureProvider;
import com.android.tv.settings.overlay.FlavorUtils;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
/**
* Forked from:
* Settings/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java
*/
public class EnterpriseInstalledPackagesPreferenceController
extends AbstractPreferenceController {
private static final String KEY_NUMBER_ENTERPRISE_INSTALLED_PACKAGES =
"number_enterprise_installed_packages";
private final ApplicationFeatureProvider mFeatureProvider;
private final boolean mAsync;
public EnterpriseInstalledPackagesPreferenceController(Context context, boolean async) {
super(context);
mFeatureProvider = FlavorUtils.getFeatureFactory(context).getApplicationFeatureProvider(
context);
mAsync = async;
}
@Override
public void updateState(Preference preference) {
mFeatureProvider.calculateNumberOfPolicyInstalledApps(true /* async */,
(num) -> {
final boolean available;
if (num == 0) {
available = false;
} else {
available = true;
MessageFormat msgFormat = new MessageFormat(
mContext.getResources().getString(
R.string.enterprise_privacy_number_packages_lower_bound),
Locale.getDefault());
Map<String, Object> arguments = new HashMap<>();
arguments.put("count", num);
preference.setSummary(msgFormat.format(arguments));
}
preference.setVisible(available);
});
}
@Override
public boolean isAvailable() {
if (mAsync) {
// When called on the main UI thread, we must not block. Since calculating the number of
// enterprise-installed apps takes a bit of time, we always return true here and
// determine the pref's actual visibility asynchronously in updateState().
return true;
}
// When called by the search indexer, we are on a background thread that we can block. Also,
// changes to the pref's visibility made in updateState() would not be seen by the indexer.
// We block and return synchronously whether there are enterprise-installed apps or not.
final Boolean[] haveEnterpriseInstalledPackages = {null};
mFeatureProvider.calculateNumberOfPolicyInstalledApps(false /* async */,
(num) -> haveEnterpriseInstalledPackages[0] = num > 0);
return haveEnterpriseInstalledPackages[0];
}
@Override
public String getPreferenceKey() {
return KEY_NUMBER_ENTERPRISE_INSTALLED_PACKAGES;
}
}
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