88 lines
3.0 KiB
Java
88 lines
3.0 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*
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*/
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package com.android.settings.fuelgauge;
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import android.app.AppOpsManager;
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import android.content.Context;
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import android.support.annotation.VisibleForTesting;
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import android.support.v7.preference.Preference;
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import com.android.settings.R;
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import com.android.settings.SettingsActivity;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settings.core.InstrumentedPreferenceFragment;
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import java.util.List;
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/**
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* Controller to change and update the smart battery toggle
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*/
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public class RestrictAppPreferenceController extends BasePreferenceController {
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@VisibleForTesting
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static final String KEY_RESTRICT_APP = "restricted_app";
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private AppOpsManager mAppOpsManager;
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private List<AppOpsManager.PackageOps> mPackageOps;
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private SettingsActivity mSettingsActivity;
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private InstrumentedPreferenceFragment mPreferenceFragment;
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public RestrictAppPreferenceController(Context context) {
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super(context, KEY_RESTRICT_APP);
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mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
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}
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public RestrictAppPreferenceController(SettingsActivity settingsActivity,
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InstrumentedPreferenceFragment preferenceFragment) {
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this(settingsActivity.getApplicationContext());
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mSettingsActivity = settingsActivity;
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mPreferenceFragment = preferenceFragment;
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}
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@Override
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public int getAvailabilityStatus() {
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return AVAILABLE;
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}
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@Override
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public void updateState(Preference preference) {
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super.updateState(preference);
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mPackageOps = mAppOpsManager.getPackagesForOps(
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new int[]{AppOpsManager.OP_RUN_ANY_IN_BACKGROUND});
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final int num = mPackageOps != null ? mPackageOps.size() : 0;
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// Enable the preference if some apps already been restricted, otherwise disable it
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preference.setEnabled(num > 0);
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preference.setSummary(
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mContext.getResources().getQuantityString(R.plurals.restricted_app_summary, num,
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num));
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}
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@Override
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public boolean handlePreferenceTreeClick(Preference preference) {
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if (getPreferenceKey().equals(preference.getKey())) {
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// start fragment
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RestrictedAppDetails.startRestrictedAppDetails(mSettingsActivity, mPreferenceFragment,
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mPackageOps);
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return true;
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}
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return super.handlePreferenceTreeClick(preference);
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}
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}
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