DeviceInfo: move more prefereces in PreferenceController

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

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

@@ -0,0 +1,74 @@
+/*
+ * 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.pm.PackageManager;
+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.DeviceInfoUtils;
+
+public class SecurityPatchPreferenceController extends PreferenceController {
+
+    private static final String KEY_SECURITY_PATCH = "security_patch";
+    private static final String TAG = "SecurityPatchPref";
+
+    private final String mPatch;
+    private final PackageManager mPackageManager;
+
+    public SecurityPatchPreferenceController(Context context) {
+        super(context);
+        mPackageManager = mContext.getPackageManager();
+        mPatch = DeviceInfoUtils.getSecurityPatch();
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return !TextUtils.isEmpty(mPatch);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_SECURITY_PATCH;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        final Preference pref = screen.findPreference(KEY_SECURITY_PATCH);
+        if (pref != null) {
+            pref.setSummary(mPatch);
+        }
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (!TextUtils.equals(preference.getKey(), KEY_SECURITY_PATCH)) {
+            return false;
+        }
+        if (mPackageManager.queryIntentActivities(preference.getIntent(), 0).isEmpty()) {
+            // Don't send out the intent to stop crash
+            Log.w(TAG, "Stop click action on " + KEY_SECURITY_PATCH + ": "
+                    + "queryIntentActivities() returns empty");
+            return true;
+        }
+        return false;
+    }
+}