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/*
* Copyright (C) 2016 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.applications;
import android.annotation.Nullable;
import android.app.Application;
import android.content.Context;
import android.os.Bundle;
import android.support.v7.preference.DropDownPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.Preference.OnPreferenceChangeListener;
import android.support.v7.preference.PreferenceScreen;
import android.support.v7.preference.PreferenceViewHolder;
import android.view.View;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.logging.nano.MetricsProto;
import com.android.internal.telephony.SmsUsageMonitor;
import com.android.settings.DividerPreference;
import com.android.settings.R;
import com.android.settings.applications.AppStateBaseBridge.Callback;
import com.android.settings.applications.AppStateSmsPremBridge.SmsState;
import com.android.settings.core.instrumentation.MetricsFeatureProvider;
import com.android.settings.notification.EmptyTextSettings;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.applications.ApplicationsState;
import com.android.settingslib.applications.ApplicationsState.AppEntry;
import com.android.settingslib.applications.ApplicationsState.Callbacks;
import com.android.settingslib.applications.ApplicationsState.Session;
import java.util.ArrayList;
public class PremiumSmsAccess extends EmptyTextSettings implements Callback, Callbacks, OnPreferenceChangeListener {
private ApplicationsState mApplicationsState;
private AppStateSmsPremBridge mSmsBackend;
private Session mSession;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mApplicationsState = ApplicationsState.getInstance((Application)
getContext().getApplicationContext());
mSession = mApplicationsState.newSession(this);
mSmsBackend = new AppStateSmsPremBridge(getContext(), mApplicationsState, this);
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
setLoading(true, false);
}
@Override
public void onResume() {
super.onResume();
mSession.resume();
mSmsBackend.resume();
}
@Override
public void onPause() {
mSmsBackend.pause();
mSession.pause();
super.onPause();
}
@Override
public int getMetricsCategory() {
return MetricsProto.MetricsEvent.PREMIUM_SMS_ACCESS;
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
PremiumSmsPreference pref = (PremiumSmsPreference) preference;
int smsState = Integer.parseInt((String) newValue);
logSpecialPermissionChange(smsState, pref.mAppEntry.info.packageName);
mSmsBackend.setSmsState(pref.mAppEntry.info.packageName, smsState);
return true;
}
@VisibleForTesting
void logSpecialPermissionChange(int smsState, String packageName) {
int category = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN;
switch (smsState) {
case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER:
category = MetricsProto.MetricsEvent.APP_SPECIAL_PERMISSION_PREMIUM_SMS_ASK;
break;
case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_NEVER_ALLOW:
category = MetricsProto.MetricsEvent.APP_SPECIAL_PERMISSION_PREMIUM_SMS_DENY;
break;
case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW:
category = MetricsProto.MetricsEvent.
APP_SPECIAL_PERMISSION_PREMIUM_SMS_ALWAYS_ALLOW;
break;
}
if (category != SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN) {
FeatureFactory.getFactory(getContext()).getMetricsFeatureProvider().action(
getContext(), category, packageName);
}
}
private void updatePrefs(ArrayList<AppEntry> apps) {
if (apps == null) return;
setEmptyText(R.string.premium_sms_none);
setLoading(false, true);
final PreferenceScreen screen = getPreferenceManager().createPreferenceScreen(
getPrefContext());
screen.setOrderingAsAdded(true);
for (int i = 0; i < apps.size(); i++) {
final PremiumSmsPreference smsPreference =
new PremiumSmsPreference(apps.get(i), getPrefContext());
smsPreference.setOnPreferenceChangeListener(this);
screen.addPreference(smsPreference);
}
if (apps.size() != 0) {
DividerPreference summary = new DividerPreference(getPrefContext());
summary.setSelectable(false);
summary.setSummary(R.string.premium_sms_warning);
summary.setDividerAllowedAbove(true);
screen.addPreference(summary);
}
setPreferenceScreen(screen);
}
private void update() {
updatePrefs(mSession.rebuild(AppStateSmsPremBridge.FILTER_APP_PREMIUM_SMS,
ApplicationsState.ALPHA_COMPARATOR));
}
@Override
public void onExtraInfoUpdated() {
update();
}
@Override
public void onRebuildComplete(ArrayList<AppEntry> apps) {
updatePrefs(apps);
}
@Override
public void onRunningStateChanged(boolean running) {
}
@Override
public void onPackageListChanged() {
}
@Override
public void onPackageIconChanged() {
}
@Override
public void onPackageSizeChanged(String packageName) {
}
@Override
public void onAllSizesComputed() {
}
@Override
public void onLauncherInfoChanged() {
}
@Override
public void onLoadEntriesCompleted() {
}
private class PremiumSmsPreference extends DropDownPreference {
private final AppEntry mAppEntry;
public PremiumSmsPreference(AppEntry appEntry, Context context) {
super(context);
mAppEntry = appEntry;
mAppEntry.ensureLabel(context);
setTitle(mAppEntry.label);
if (mAppEntry.icon != null) {
setIcon(mAppEntry.icon);
}
setEntries(R.array.security_settings_premium_sms_values);
setEntryValues(new CharSequence[] {
String.valueOf(SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER),
String.valueOf(SmsUsageMonitor.PREMIUM_SMS_PERMISSION_NEVER_ALLOW),
String.valueOf(SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW),
});
setValue(String.valueOf(getCurrentValue()));
setSummary("%s");
}
private int getCurrentValue() {
return mAppEntry.extraInfo instanceof SmsState
? ((SmsState) mAppEntry.extraInfo).smsState
: SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN;
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
if (getIcon() == null) {
holder.itemView.post(new Runnable() {
@Override
public void run() {
mApplicationsState.ensureIcon(mAppEntry);
setIcon(mAppEntry.icon);
}
});
}
super.onBindViewHolder(holder);
}
}
}