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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.deviceinfo;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.os.SystemClock;
import android.os.UserHandle;
import android.os.UserManager;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
import android.text.TextUtils;
import android.util.Log;
import com.android.settings.core.PreferenceController;
import com.android.settingslib.RestrictedLockUtils;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnResume;
public class FirmwareVersionPreferenceController extends PreferenceController
implements LifecycleObserver, OnResume {
private static final String TAG = "FirmwareVersionPref";
private static final String KEY_FIRMWARE_VERSION = "firmware_version";
private final UserManager mUserManager;
private RestrictedLockUtils.EnforcedAdmin mFunDisallowedAdmin;
private boolean mFunDisallowedBySystem;
private long[] mHits = new long[3];
public FirmwareVersionPreferenceController(Context context, Lifecycle lifecycle) {
super(context);
mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
if (lifecycle != null) {
lifecycle.addObserver(this);
}
}
@Override
public boolean isAvailable() {
return true;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
final Preference pref = screen.findPreference(KEY_FIRMWARE_VERSION);
if (pref != null) {
pref.setSummary(Build.VERSION.RELEASE);
}
}
@Override
public String getPreferenceKey() {
return KEY_FIRMWARE_VERSION;
}
@Override
public void onResume() {
mFunDisallowedAdmin = RestrictedLockUtils.checkIfRestrictionEnforced(
mContext, UserManager.DISALLOW_FUN, UserHandle.myUserId());
mFunDisallowedBySystem = RestrictedLockUtils.hasBaseUserRestriction(
mContext, UserManager.DISALLOW_FUN, UserHandle.myUserId());
}
@Override
public boolean handlePreferenceTreeClick(Preference preference) {
if (!TextUtils.equals(preference.getKey(), KEY_FIRMWARE_VERSION)) {
return false;
}
System.arraycopy(mHits, 1, mHits, 0, mHits.length - 1);
mHits[mHits.length - 1] = SystemClock.uptimeMillis();
if (mHits[0] >= (SystemClock.uptimeMillis() - 500)) {
if (mUserManager.hasUserRestriction(UserManager.DISALLOW_FUN)) {
if (mFunDisallowedAdmin != null && !mFunDisallowedBySystem) {
RestrictedLockUtils.sendShowAdminSupportDetailsIntent(mContext,
mFunDisallowedAdmin);
}
Log.d(TAG, "Sorry, no fun for you!");
return false;
}
final Intent intent = new Intent(Intent.ACTION_MAIN)
.setClassName(
"android", com.android.internal.app.PlatLogoActivity.class.getName());
try {
mContext.startActivity(intent);
return true;
} catch (Exception e) {
Log.e(TAG, "Unable to start activity " + intent.toString());
}
}
return false;
}
}
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