DeviceInfo: move more prefereces in PreferenceController

Bug: 34774945
Test: make RunSettingsRoboTests
Change-Id: Ie5e113a6df85bab5be50c947bd7b91cfacdccb7f

src/com/android/settings/deviceinfo/FirmwareVersionPreferenceController.java

@@ -0,0 +1,113 @@
+/*
+ * 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.settings.core.lifecycle.Lifecycle;
+import com.android.settings.core.lifecycle.LifecycleObserver;
+import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.RestrictedLockUtils;
+
+
+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;
+    }
+}