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/*
* Copyright (C) 2015 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.cyanogenmod;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.provider.Settings;
import android.util.Log;
import static cyanogenmod.content.Intent.ACTION_PROTECTED;
import static cyanogenmod.content.Intent.ACTION_PROTECTED_CHANGED;
import static cyanogenmod.content.Intent.EXTRA_PROTECTED_COMPONENTS;
import static cyanogenmod.content.Intent.EXTRA_PROTECTED_STATE;
import cyanogenmod.providers.CMSettings;
import java.util.ArrayList;
import java.util.HashSet;
public class ProtectedAppsReceiver extends BroadcastReceiver {
private static final String TAG = "ProtectedAppsReceiver";
private static final String PROTECTED_APP_PERMISSION = cyanogenmod.platform.Manifest
.permission.PROTECTED_APP;
@Override
public void onReceive(Context context, Intent intent) {
if (ACTION_PROTECTED.equals(intent.getAction())) {
boolean protect = intent.getBooleanExtra(EXTRA_PROTECTED_STATE,
PackageManager.COMPONENT_VISIBLE_STATUS);
ArrayList<ComponentName> components =
intent.getParcelableArrayListExtra(EXTRA_PROTECTED_COMPONENTS);
if (components != null) {
updateProtectedAppComponentsAndNotify(context, components, protect);
}
}
}
public static void updateProtectedAppComponentsAndNotify(Context context,
ArrayList<ComponentName> components, boolean state) {
updateProtectedAppComponents(context, components, state);
updateSettingsSecure(context, components, state);
notifyProtectedChanged(context, components, state);
}
public static void updateProtectedAppComponents(Context context,
ArrayList<ComponentName> components, boolean state) {
PackageManager pm = context.getPackageManager();
for (ComponentName component : components) {
try {
pm.setComponentProtectedSetting(component, state);
} catch (NoSuchMethodError nsm) {
Log.e(TAG, "Unable to protected app via PackageManager");
}
}
}
public static void updateSettingsSecure(Context context,
ArrayList<ComponentName> components, boolean state) {
ContentResolver resolver = context.getContentResolver();
String hiddenComponents = CMSettings.Secure.getString(resolver,
CMSettings.Secure.PROTECTED_COMPONENTS);
HashSet<ComponentName> newComponentList = new HashSet<ComponentName>();
if (hiddenComponents != null) {
for (String flattened : hiddenComponents.split("\\|")) {
ComponentName cmp = ComponentName.unflattenFromString(flattened);
if (cmp != null) {
newComponentList.add(cmp);
}
}
}
boolean update = state == PackageManager.COMPONENT_PROTECTED_STATUS
? newComponentList.addAll(components)
: newComponentList.removeAll(components);
if (update) {
StringBuilder flattenedList = new StringBuilder();
for (ComponentName cmp : newComponentList) {
if (flattenedList.length() > 0) {
flattenedList.append("|");
}
flattenedList.append(cmp.flattenToString());
}
CMSettings.Secure.putString(resolver, CMSettings.Secure.PROTECTED_COMPONENTS,
flattenedList.toString());
}
}
public static void notifyProtectedChanged(Context context,
ArrayList<ComponentName> components, boolean state) {
Intent intent = new Intent(ACTION_PROTECTED_CHANGED);
intent.putExtra(EXTRA_PROTECTED_STATE, state);
intent.putExtra(EXTRA_PROTECTED_COMPONENTS, components);
context.sendBroadcast(intent, PROTECTED_APP_PERMISSION);
}
}
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