From 31467520ed2fa0010698be1778b99c3957e9d6fd Mon Sep 17 00:00:00 2001
From: Paul Lawrence <paullawrence@google.com>
Date: Tue, 23 Feb 2016 07:35:27 -0800
Subject: [PATCH] Show second warning screen before converting to FBE

Bug: 27126952
Change-Id: If045a0676600f4f9611ab27cfb686b8078b3cd5a
---
 res/layout/confirm_convert_fbe.xml            | 46 ++++++++++++++++++
 res/values/strings.xml                        |  5 ++
 .../applications/ConfirmConvertToFbe.java     | 48 +++++++++++++++++++
 .../settings/applications/ConvertToFbe.java   | 10 ++--
 4 files changed, 104 insertions(+), 5 deletions(-)
 create mode 100644 res/layout/confirm_convert_fbe.xml
 create mode 100644 src/com/android/settings/applications/ConfirmConvertToFbe.java

diff --git a/res/layout/confirm_convert_fbe.xml b/res/layout/confirm_convert_fbe.xml
new file mode 100644
index 00000000000..537c3680ba6
--- /dev/null
+++ b/res/layout/confirm_convert_fbe.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
+            android:layout_marginBottom="12dp" >
+
+        <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="12dp"
+                android:layout_marginEnd="12dp"
+                android:layout_marginTop="12dp"
+                android:textSize="18sp"
+                android:text="@string/confirm_convert_to_fbe_warning" />
+
+        <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="fill_parent"
+                android:layout_gravity="center"
+                android:orientation="horizontal">
+            <Button
+                    android:id="@+id/button_confirm_convert_fbe"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="bottom"
+                    android:layout_marginBottom="12dp"
+                    android:text="@string/button_confirm_convert_fbe" />
+        </LinearLayout>
+
+</LinearLayout>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 5538a11c865..5dd8a90b6e1 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -7259,4 +7259,9 @@
     <!-- [CHAR_LIMIT=60] Label for special access screen -->
     <string name="special_access">Special access</string>
 
+    <!-- Developer option to convert to file encryption - final warning -->
+    <string name="confirm_convert_to_fbe_warning">Really wipe user data and convert to file encryption?</string>
+    <!-- Developer option to convert to file encryption - final button -->
+    <string name="button_confirm_convert_fbe">Wipe and convert</string>
+
 </resources>
diff --git a/src/com/android/settings/applications/ConfirmConvertToFbe.java b/src/com/android/settings/applications/ConfirmConvertToFbe.java
new file mode 100644
index 00000000000..3687c058e72
--- /dev/null
+++ b/src/com/android/settings/applications/ConfirmConvertToFbe.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2016 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.applications;
+
+import android.app.Fragment;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+
+import com.android.settings.R;
+
+public class ConfirmConvertToFbe extends Fragment {
+    static final String TAG = "ConfirmConvertToFBE";
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.confirm_convert_fbe, null);
+
+        final Button button = (Button) rootView.findViewById(R.id.button_confirm_convert_fbe);
+        button.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                Intent intent = new Intent(Intent.ACTION_MASTER_CLEAR);
+                intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
+                intent.putExtra(Intent.EXTRA_REASON, "convert_fbe");
+                getActivity().sendBroadcast(intent);
+            }
+        });
+
+        return rootView;
+    }
+}
diff --git a/src/com/android/settings/applications/ConvertToFbe.java b/src/com/android/settings/applications/ConvertToFbe.java
index c4411e6b409..f32c52b90e5 100644
--- a/src/com/android/settings/applications/ConvertToFbe.java
+++ b/src/com/android/settings/applications/ConvertToFbe.java
@@ -17,8 +17,8 @@ package com.android.settings.applications;
 
 import android.app.Activity;
 import android.app.Fragment;
-import android.content.Intent;
 import android.content.res.Resources;
+import android.content.Intent;
 import android.os.Bundle;
 import android.os.RecoverySystem;
 import android.util.Log;
@@ -27,6 +27,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 
+import com.android.settings.applications.ConfirmConvertToFbe;
 import com.android.settings.ChooseLockSettingsHelper;
 import com.android.settings.SettingsActivity;
 import com.android.settings.R;
@@ -80,9 +81,8 @@ public class ConvertToFbe extends Fragment {
     }
 
     private void convert() {
-        Intent intent = new Intent(Intent.ACTION_MASTER_CLEAR);
-        intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
-        intent.putExtra(Intent.EXTRA_REASON, "convert_fbe");
-        getActivity().sendBroadcast(intent);
+        SettingsActivity sa = (SettingsActivity) getActivity();
+        sa.startPreferencePanel(ConfirmConvertToFbe.class.getName(), null,
+                                R.string.convert_to_file_encryption, null, null, 0);
     }
 }