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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.fuelgauge;
import android.app.AppOpsManager;
import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.os.UserManager;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settings.core.InstrumentedPreferenceFragment;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.fuelgauge.batterytip.AppInfo;
import com.android.settings.fuelgauge.batterytip.BatteryTipDialogFragment;
import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
import com.android.settings.fuelgauge.batterytip.tips.RestrictAppTip;
import com.android.settings.fuelgauge.batterytip.tips.UnrestrictAppTip;
import com.android.settingslib.RestrictedPreference;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.fuelgauge.PowerWhitelistBackend;
/**
* Controller to control whether an app can run in the background
*/
public class BackgroundActivityPreferenceController extends AbstractPreferenceController
implements PreferenceControllerMixin {
private static final String TAG = "BgActivityPrefContr";
@VisibleForTesting
static final String KEY_BACKGROUND_ACTIVITY = "background_activity";
private final AppOpsManager mAppOpsManager;
private final UserManager mUserManager;
private final int mUid;
@VisibleForTesting
DevicePolicyManager mDpm;
@VisibleForTesting
BatteryUtils mBatteryUtils;
private InstrumentedPreferenceFragment mFragment;
private String mTargetPackage;
private PowerWhitelistBackend mPowerWhitelistBackend;
public BackgroundActivityPreferenceController(Context context,
InstrumentedPreferenceFragment fragment, int uid, String packageName) {
this(context, fragment, uid, packageName, PowerWhitelistBackend.getInstance(context));
}
@VisibleForTesting
BackgroundActivityPreferenceController(Context context, InstrumentedPreferenceFragment fragment,
int uid, String packageName, PowerWhitelistBackend backend) {
super(context);
mPowerWhitelistBackend = backend;
mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
mDpm = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
mUid = uid;
mFragment = fragment;
mTargetPackage = packageName;
mBatteryUtils = BatteryUtils.getInstance(context);
}
@Override
public void updateState(Preference preference) {
final RestrictedPreference restrictedPreference = (RestrictedPreference) preference;
if (restrictedPreference.isDisabledByAdmin()) {
// If disabled, let RestrictedPreference handle it and do nothing here
return;
}
final int mode = mAppOpsManager
.checkOpNoThrow(AppOpsManager.OP_RUN_ANY_IN_BACKGROUND, mUid, mTargetPackage);
final boolean whitelisted = mPowerWhitelistBackend.isWhitelisted(mTargetPackage);
if (whitelisted || mode == AppOpsManager.MODE_ERRORED
|| Utils.isProfileOrDeviceOwner(mUserManager, mDpm, mTargetPackage)) {
preference.setEnabled(false);
} else {
preference.setEnabled(true);
}
updateSummary(preference);
}
@Override
public boolean isAvailable() {
return mTargetPackage != null;
}
@Override
public String getPreferenceKey() {
return KEY_BACKGROUND_ACTIVITY;
}
@Override
public boolean handlePreferenceTreeClick(Preference preference) {
if (KEY_BACKGROUND_ACTIVITY.equals(preference.getKey())) {
final int mode = mAppOpsManager
.checkOpNoThrow(AppOpsManager.OP_RUN_ANY_IN_BACKGROUND, mUid, mTargetPackage);
final boolean restricted = mode == AppOpsManager.MODE_IGNORED;
showDialog(restricted);
}
return false;
}
public void updateSummary(Preference preference) {
if (mPowerWhitelistBackend.isWhitelisted(mTargetPackage)) {
preference.setSummary(R.string.background_activity_summary_whitelisted);
return;
}
final int mode = mAppOpsManager
.checkOpNoThrow(AppOpsManager.OP_RUN_ANY_IN_BACKGROUND, mUid, mTargetPackage);
if (mode == AppOpsManager.MODE_ERRORED) {
preference.setSummary(R.string.background_activity_summary_disabled);
} else {
final boolean restricted = mode == AppOpsManager.MODE_IGNORED;
preference.setSummary(restricted ? R.string.restricted_true_label
: R.string.restricted_false_label);
}
}
@VisibleForTesting
void showDialog(boolean restricted) {
final AppInfo appInfo = new AppInfo.Builder()
.setUid(mUid)
.setPackageName(mTargetPackage)
.build();
BatteryTip tip = restricted
? new UnrestrictAppTip(BatteryTip.StateType.NEW, appInfo)
: new RestrictAppTip(BatteryTip.StateType.NEW, appInfo);
final BatteryTipDialogFragment dialogFragment = BatteryTipDialogFragment.newInstance(tip,
mFragment.getMetricsCategory());
dialogFragment.setTargetFragment(mFragment, 0 /* requestCode */);
dialogFragment.show(mFragment.getFragmentManager(), TAG);
}
}
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