/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. 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 distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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package com.android.settings.applications;
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import android.app.Application;
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import android.content.Context;
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import androidx.annotation.VisibleForTesting;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.R;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settings.datausage.AppStateDataUsageBridge;
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import com.android.settings.datausage.AppStateDataUsageBridge.DataUsageState;
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import com.android.settings.datausage.DataSaverBackend;
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import com.android.settingslib.applications.ApplicationsState;
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import com.android.settingslib.core.lifecycle.Lifecycle;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnDestroy;
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import com.android.settingslib.core.lifecycle.events.OnStart;
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import com.android.settingslib.core.lifecycle.events.OnStop;
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import java.util.ArrayList;
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public class SpecialAppAccessPreferenceController extends BasePreferenceController implements
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AppStateBaseBridge.Callback, ApplicationsState.Callbacks, LifecycleObserver, OnStart,
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OnStop, OnDestroy {
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@VisibleForTesting
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ApplicationsState.Session mSession;
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private final ApplicationsState mApplicationsState;
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private final AppStateDataUsageBridge mDataUsageBridge;
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private final DataSaverBackend mDataSaverBackend;
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private Preference mPreference;
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private boolean mExtraLoaded;
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public SpecialAppAccessPreferenceController(Context context, String key) {
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super(context, key);
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mApplicationsState = ApplicationsState.getInstance(
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(Application) context.getApplicationContext());
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mDataSaverBackend = new DataSaverBackend(context);
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mDataUsageBridge = new AppStateDataUsageBridge(mApplicationsState, this, mDataSaverBackend);
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}
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public void setSession(Lifecycle lifecycle) {
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mSession = mApplicationsState.newSession(this, lifecycle);
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}
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@Override
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public int getAvailabilityStatus() {
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return AVAILABLE_UNSEARCHABLE;
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreference = screen.findPreference(getPreferenceKey());
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}
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@Override
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public void onStart() {
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mDataUsageBridge.resume();
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}
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@Override
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public void onStop() {
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mDataUsageBridge.pause();
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}
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@Override
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public void onDestroy() {
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mDataUsageBridge.release();
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}
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@Override
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public void updateState(Preference preference) {
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updateSummary();
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}
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@Override
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public void onExtraInfoUpdated() {
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mExtraLoaded = true;
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updateSummary();
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}
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private void updateSummary() {
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if (!mExtraLoaded || mPreference == null) {
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return;
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}
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final ArrayList<ApplicationsState.AppEntry> allApps = mSession.getAllApps();
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int count = 0;
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for (ApplicationsState.AppEntry entry : allApps) {
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if (!ApplicationsState.FILTER_DOWNLOADED_AND_LAUNCHER.filterApp(entry)) {
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continue;
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}
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if (entry.extraInfo instanceof DataUsageState
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&& ((DataUsageState) entry.extraInfo).isDataSaverWhitelisted) {
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count++;
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}
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}
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mPreference.setSummary(mContext.getResources().getQuantityString(
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R.plurals.special_access_summary, count, count));
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}
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@Override
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public void onRunningStateChanged(boolean running) {
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}
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@Override
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public void onPackageListChanged() {
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}
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@Override
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public void onRebuildComplete(ArrayList<ApplicationsState.AppEntry> apps) {
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}
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@Override
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public void onPackageIconChanged() {
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}
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@Override
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public void onPackageSizeChanged(String packageName) {
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}
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@Override
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public void onAllSizesComputed() {
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}
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@Override
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public void onLauncherInfoChanged() {
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}
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@Override
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public void onLoadEntriesCompleted() {
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}
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}
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