src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java


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/*
 * Copyright (C) 2017 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.enterprise;

import android.content.Context;
import android.os.UserHandle;

import androidx.preference.Preference;

import com.android.settings.R;
import com.android.settings.applications.ApplicationFeatureProvider;
import com.android.settings.applications.EnterpriseDefaultApps;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.users.UserFeatureProvider;
import com.android.settingslib.core.AbstractPreferenceController;

public class EnterpriseSetDefaultAppsPreferenceController
        extends AbstractPreferenceController implements PreferenceControllerMixin {

    private static final String KEY_DEFAULT_APPS = "number_enterprise_set_default_apps";
    private final ApplicationFeatureProvider mApplicationFeatureProvider;
    private final UserFeatureProvider mUserFeatureProvider;

    public EnterpriseSetDefaultAppsPreferenceController(Context context) {
        super(context);
        final FeatureFactory factory = FeatureFactory.getFactory(context);
        mApplicationFeatureProvider = factory.getApplicationFeatureProvider(context);
        mUserFeatureProvider = factory.getUserFeatureProvider(context);
    }

    @Override
    public void updateState(Preference preference) {
        final int num = getNumberOfEnterpriseSetDefaultApps();
        preference.setSummary(mContext.getResources().getQuantityString(
                R.plurals.enterprise_privacy_number_packages, num, num));
    }

    @Override
    public boolean isAvailable() {
        return getNumberOfEnterpriseSetDefaultApps() > 0;
    }

    @Override
    public String getPreferenceKey() {
        return KEY_DEFAULT_APPS;
    }

    private int getNumberOfEnterpriseSetDefaultApps() {
        int num = 0;
        for (UserHandle user : mUserFeatureProvider.getUserProfiles()) {
            for (EnterpriseDefaultApps app : EnterpriseDefaultApps.values()) {
                num += mApplicationFeatureProvider
                        .findPersistentPreferredActivities(user.getIdentifier(),
                                app.getIntents()).size();
            }
        }
        return num;
    }
}