Introduce FirmwareVersionDialogController

- Create a controller to display data and handle user input for the
 Android Version field in FirmwareVersionDialogFragment

Bug: 36458278
Test: make RunSettingsRoboTests -j40
Change-Id: Iabd46505103711451001a9374906188c707be548

src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogController.java

@@ -0,0 +1,112 @@
+/*
+ * 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.firmwareversion;
+
+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.annotation.VisibleForTesting;
+import android.util.Log;
+import android.view.View;
+
+import com.android.settings.R;
+import com.android.settingslib.RestrictedLockUtils;
+
+public class FirmwareVersionDialogController implements View.OnClickListener {
+
+    private static final String TAG = "firmwareDialogCtrl";
+    private static final int DELAY_TIMER_MILLIS = 500;
+    private static final int ACTIVITY_TRIGGER_COUNT = 3;
+
+    @VisibleForTesting
+    static final int FIRMWARE_VERSION_VALUE_ID = R.id.firmware_version_value;
+    @VisibleForTesting
+    static final int FIRMWARE_VERSION_LABEL_ID = R.id.firmware_version_label;
+
+    private final FirmwareVersionDialogFragment mDialog;
+    private final Context mContext;
+    private final UserManager mUserManager;
+    private final long[] mHits = new long[ACTIVITY_TRIGGER_COUNT];
+
+    private RestrictedLockUtils.EnforcedAdmin mFunDisallowedAdmin;
+    private boolean mFunDisallowedBySystem;
+
+    public FirmwareVersionDialogController(FirmwareVersionDialogFragment dialog) {
+        mDialog = dialog;
+        mContext = dialog.getContext();
+        mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
+    }
+
+    @Override
+    public void onClick(View v) {
+        arrayCopy();
+        mHits[mHits.length - 1] = SystemClock.uptimeMillis();
+        if (mHits[0] >= (SystemClock.uptimeMillis() - DELAY_TIMER_MILLIS)) {
+            if (mUserManager.hasUserRestriction(UserManager.DISALLOW_FUN)) {
+                if (mFunDisallowedAdmin != null && !mFunDisallowedBySystem) {
+                    RestrictedLockUtils.sendShowAdminSupportDetailsIntent(mContext,
+                            mFunDisallowedAdmin);
+                }
+                Log.d(TAG, "Sorry, no fun for you!");
+                return;
+            }
+
+            final Intent intent = new Intent(Intent.ACTION_MAIN)
+                    .setClassName(
+                            "android", com.android.internal.app.PlatLogoActivity.class.getName());
+            try {
+                mContext.startActivity(intent);
+            } catch (Exception e) {
+                Log.e(TAG, "Unable to start activity " + intent.toString());
+            }
+        }
+    }
+
+    /**
+     * Populates the Android version field in the dialog and registers click listeners.
+     */
+    public void initialize() {
+        initializeAdminPermissions();
+        registerClickListeners();
+
+        mDialog.setText(FIRMWARE_VERSION_VALUE_ID, Build.VERSION.RELEASE);
+    }
+
+    private void registerClickListeners() {
+        mDialog.registerClickListener(FIRMWARE_VERSION_LABEL_ID, this /* listener */);
+        mDialog.registerClickListener(FIRMWARE_VERSION_VALUE_ID, this /* listener */);
+    }
+
+    /**
+     * Copies the array onto itself to remove the oldest hit.
+     */
+    @VisibleForTesting
+    void arrayCopy() {
+        System.arraycopy(mHits, 1, mHits, 0, mHits.length - 1);
+    }
+
+    @VisibleForTesting
+    void initializeAdminPermissions() {
+        mFunDisallowedAdmin = RestrictedLockUtils.checkIfRestrictionEnforced(
+                mContext, UserManager.DISALLOW_FUN, UserHandle.myUserId());
+        mFunDisallowedBySystem = RestrictedLockUtils.hasBaseUserRestriction(
+                mContext, UserManager.DISALLOW_FUN, UserHandle.myUserId());
+    }
+}

src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogFragment.java

@@ -23,6 +23,7 @@ import android.app.FragmentManager;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
+import android.widget.TextView;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
@@ -32,6 +33,8 @@ public class FirmwareVersionDialogFragment extends InstrumentedDialogFragment {
 
     private static final String TAG = "firmwareVersionDialog";
 
+    private View mRootView;
+
     public static void show(Fragment host) {
         final FragmentManager manager = host.getChildFragmentManager();
         if (manager.findFragmentByTag(TAG) == null) {
@@ -51,9 +54,29 @@ public class FirmwareVersionDialogFragment extends InstrumentedDialogFragment {
                 .setTitle(R.string.firmware_title)
                 .setPositiveButton(android.R.string.ok, null /* listener */);
 
-        final View view = LayoutInflater.from(getActivity()).inflate(
+        mRootView = LayoutInflater.from(getActivity()).inflate(
                 R.layout.dialog_firmware_version, null /* parent */);
 
-        return builder.setView(view).create();
+        initializeControllers();
+
+        return builder.setView(mRootView).create();
+    }
+
+    public void setText(int viewId, CharSequence text) {
+        final TextView view = mRootView.findViewById(viewId);
+        if (view != null) {
+            view.setText(text);
+        }
+    }
+
+    public void registerClickListener(int viewId, View.OnClickListener listener) {
+        final View view = mRootView.findViewById(viewId);
+        if (view != null) {
+            view.setOnClickListener(listener);
+        }
+    }
+
+    private void initializeControllers() {
+        new FirmwareVersionDialogController(this).initialize();
     }
 }