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/*
* Copyright (C) 2018 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.datausage;
import static com.android.settingslib.RestrictedLockUtilsInternal.checkIfMeteredDataRestricted;
import android.content.Context;
import android.os.UserHandle;
import android.view.View;
import androidx.preference.PreferenceViewHolder;
import com.android.settings.R;
import com.android.settings.applications.appinfo.AppInfoDashboardFragment;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.widget.AppSwitchPreference;
import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
import com.android.settingslib.RestrictedPreferenceHelper;
import com.android.settingslib.applications.ApplicationsState;
import com.android.settingslib.applications.ApplicationsState.AppEntry;
public class UnrestrictedDataAccessPreference extends AppSwitchPreference implements
DataSaverBackend.Listener {
private final ApplicationsState mApplicationsState;
private final AppEntry mEntry;
private final AppStateDataUsageBridge.DataUsageState mDataUsageState;
private final DataSaverBackend mDataSaverBackend;
private final DashboardFragment mParentFragment;
private final RestrictedPreferenceHelper mHelper;
public UnrestrictedDataAccessPreference(final Context context, AppEntry entry,
ApplicationsState applicationsState, DataSaverBackend dataSaverBackend,
DashboardFragment parentFragment) {
super(context);
setWidgetLayoutResource(R.layout.restricted_switch_widget);
mHelper = new RestrictedPreferenceHelper(context, this, null);
mEntry = entry;
mDataUsageState = (AppStateDataUsageBridge.DataUsageState) mEntry.extraInfo;
mEntry.ensureLabel(context);
mApplicationsState = applicationsState;
mDataSaverBackend = dataSaverBackend;
mParentFragment = parentFragment;
setDisabledByAdmin(checkIfMeteredDataRestricted(context, entry.info.packageName,
UserHandle.getUserId(entry.info.uid)));
updateState();
setKey(generateKey(mEntry));
if (mEntry.icon != null) {
setIcon(mEntry.icon);
}
}
static String generateKey(final AppEntry entry) {
return entry.info.packageName + "|" + entry.info.uid;
}
@Override
public void onAttached() {
super.onAttached();
mDataSaverBackend.addListener(this);
}
@Override
public void onDetached() {
mDataSaverBackend.remListener(this);
super.onDetached();
}
@Override
protected void onClick() {
if (mDataUsageState.isDataSaverBlacklisted) {
// app is blacklisted, launch App Data Usage screen
AppInfoDashboardFragment.startAppInfoFragment(AppDataUsage.class,
R.string.data_usage_app_summary_title,
null /* arguments */,
mParentFragment,
mEntry);
} else {
// app is not blacklisted, let superclass handle toggle switch
super.onClick();
}
}
@Override
public void performClick() {
if (!mHelper.performClick()) {
super.performClick();
}
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
if (mEntry.icon == null) {
holder.itemView.post(new Runnable() {
@Override
public void run() {
// Ensure we have an icon before binding.
mApplicationsState.ensureIcon(mEntry);
// This might trigger us to bind again, but it gives an easy way to only
// load the icon once its needed, so its probably worth it.
setIcon(mEntry.icon);
}
});
}
final boolean disabledByAdmin = isDisabledByAdmin();
final View widgetFrame = holder.findViewById(android.R.id.widget_frame);
if (disabledByAdmin) {
widgetFrame.setVisibility(View.VISIBLE);
} else {
widgetFrame.setVisibility(
mDataUsageState != null && mDataUsageState.isDataSaverBlacklisted
? View.INVISIBLE : View.VISIBLE);
}
super.onBindViewHolder(holder);
mHelper.onBindViewHolder(holder);
holder.findViewById(R.id.restricted_icon).setVisibility(
disabledByAdmin ? View.VISIBLE : View.GONE);
holder.findViewById(android.R.id.switch_widget).setVisibility(
disabledByAdmin ? View.GONE : View.VISIBLE);
}
@Override
public void onDataSaverChanged(boolean isDataSaving) {
}
@Override
public void onWhitelistStatusChanged(int uid, boolean isWhitelisted) {
if (mDataUsageState != null && mEntry.info.uid == uid) {
mDataUsageState.isDataSaverWhitelisted = isWhitelisted;
updateState();
}
}
@Override
public void onBlacklistStatusChanged(int uid, boolean isBlacklisted) {
if (mDataUsageState != null && mEntry.info.uid == uid) {
mDataUsageState.isDataSaverBlacklisted = isBlacklisted;
updateState();
}
}
public AppStateDataUsageBridge.DataUsageState getDataUsageState() {
return mDataUsageState;
}
public AppEntry getEntry() {
return mEntry;
}
public boolean isDisabledByAdmin() {
return mHelper.isDisabledByAdmin();
}
public void setDisabledByAdmin(EnforcedAdmin admin) {
mHelper.setDisabledByAdmin(admin);
}
// Sets UI state based on whitelist/blacklist status.
public void updateState() {
setTitle(mEntry.label);
if (mDataUsageState != null) {
setChecked(mDataUsageState.isDataSaverWhitelisted);
if (isDisabledByAdmin()) {
setSummary(R.string.disabled_by_admin);
} else if (mDataUsageState.isDataSaverBlacklisted) {
setSummary(R.string.restrict_background_blacklisted);
} else {
setSummary("");
}
}
notifyChanged();
}
}
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