From fc026fcadc2f02bdb3319644ab91e37e35f5539c Mon Sep 17 00:00:00 2001
From: Torsten Grote <t@grobox.de>
Date: Wed, 4 Sep 2019 15:58:07 -0300
Subject: [PATCH] Add an activity for launching a restore from backup

Change-Id: Ibd73f8549bb3ec9e829ad9082399dbbf0a6ca4f5
---
 AndroidManifest.xml                           | 13 ++++
 res/drawable/ic_restore.xml                   |  8 ++
 res/layout/intro_restore_activity.xml         | 76 +++++++++++++++++++
 res/raw/lineage_wizard_script.xml             |  4 +
 res/values/strings.xml                        |  5 ++
 .../lineageos/setupwizard/SetupWizardApp.java |  2 +
 .../backup/RestoreIntroActivity.java          | 60 +++++++++++++++
 7 files changed, 168 insertions(+)
 create mode 100644 res/drawable/ic_restore.xml
 create mode 100644 res/layout/intro_restore_activity.xml
 create mode 100644 src/org/lineageos/setupwizard/backup/RestoreIntroActivity.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index cbce2aa1..35086ea2 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -257,6 +257,19 @@
             </intent-filter>
         </activity>
 
+        <activity android:name=".backup.RestoreIntroActivity"
+                  android:label="@string/activity_label_empty"
+                  android:excludeFromRecents="true"
+                  android:configChanges="mcc|mnc"
+                  android:immersive="true"
+                  android:exported="false"
+                  android:windowSoftInputMode="stateAlwaysHidden">
+            <intent-filter>
+                <action android:name="org.lineageos.setupwizard.LINEAGE_RESTORE_BACKUP"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+        </activity>
+
         <activity android:name=".FinishActivity"
                   android:label="@string/activity_label_empty"
                   android:excludeFromRecents="true"
diff --git a/res/drawable/ic_restore.xml b/res/drawable/ic_restore.xml
new file mode 100644
index 00000000..0f922df8
--- /dev/null
+++ b/res/drawable/ic_restore.xml
@@ -0,0 +1,8 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:height="24dp"
+        android:width="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24">
+    <path android:fillColor="#000"
+          android:pathData="M17,13L12,18L7,13H10V9H14V13M19.35,10.03C18.67,6.59 15.64,4 12,4C9.11,4 6.6,5.64 5.35,8.03C2.34,8.36 0,10.9 0,14A6,6 0 0,0 6,20H19A5,5 0 0,0 24,15C24,12.36 21.95,10.22 19.35,10.03Z"/>
+</vector>
\ No newline at end of file
diff --git a/res/layout/intro_restore_activity.xml b/res/layout/intro_restore_activity.xml
new file mode 100644
index 00000000..fd8cadc4
--- /dev/null
+++ b/res/layout/intro_restore_activity.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2015 The CyanogenMod Project
+     Copyright (C) 2017 The LineageOS 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:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/primary">
+
+    <include layout="@layout/header_condensed" />
+
+    <FrameLayout android:id="@+id/page"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1">
+
+        <ScrollView android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:fillViewport="true">
+
+            <LinearLayout
+                android:orientation="vertical"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingStart="@dimen/content_margin_left"
+                android:paddingEnd="@dimen/content_margin_left"
+                style="@style/PageContent">
+
+                <TextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    style="@style/PageSummaryText"
+                    android:textSize="16sp"
+                    android:layout_marginBottom="@dimen/summary_margin_bottom"
+                    android:paddingRight="@dimen/location_text_margin_right"
+                    android:text="@string/intro_restore_subtitle" />
+
+                <Button
+                    android:id="@+id/intro_restore_button"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:paddingLeft="@dimen/content_margin_left"
+                    android:paddingRight="@dimen/location_text_margin_right"
+                    android:gravity="center"
+                    android:textSize="16sp"
+                    android:textAllCaps="true"
+                    android:textColor="@color/white"
+                    android:background="@color/accent"
+                    android:maxLines="1"
+                    android:ellipsize="end"
+                    android:text="@string/intro_restore_button"/>
+
+            </LinearLayout>
+        </ScrollView>
+    </FrameLayout>
+
+    <com.google.android.setupdesign.view.NavigationBar
+        android:id="@+id/navigation_bar"
+        style="@style/SudNavBarTheme"
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/sud_navbar_height" />
+</LinearLayout>
diff --git a/res/raw/lineage_wizard_script.xml b/res/raw/lineage_wizard_script.xml
index d9979940..d7bc7af4 100644
--- a/res/raw/lineage_wizard_script.xml
+++ b/res/raw/lineage_wizard_script.xml
@@ -66,6 +66,10 @@
     </WizardAction>
 
     <WizardAction wizard:uri="intent:#Intent;action=org.lineageos.setupwizard.LINEAGE_LOCKSCREEN_SETTINGS;end" id="lockscreen_settings">
+        <result wizard:action="restore" />
+    </WizardAction>
+
+    <WizardAction wizard:uri="intent:#Intent;action=org.lineageos.setupwizard.LINEAGE_RESTORE_BACKUP;end" id="restore">
         <result wizard:action="finish" />
     </WizardAction>
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 0bb3b887..2eb29dfa 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -98,4 +98,9 @@
     <string name="lockscreen_setup_summary"><b>Protect this device</b> and require a PIN, pattern, or password to unlock the screen</string>
     <string name="lockscreen_setup_screen_lock_setup">Set up</string>
 
+    <!-- Backup Restore -->
+    <string name="intro_restore_title">Restore apps and data</string>
+    <string name="intro_restore_subtitle" product="tablet">If you have a backup from your last LineageOS tablet, you can restore it here.</string>
+    <string name="intro_restore_subtitle" product="default">If you have a backup from your last LineageOS phone, you can restore it here.</string>
+    <string name="intro_restore_button">Restore from backup</string>
 </resources>
diff --git a/src/org/lineageos/setupwizard/SetupWizardApp.java b/src/org/lineageos/setupwizard/SetupWizardApp.java
index 538c298d..afab72d1 100644
--- a/src/org/lineageos/setupwizard/SetupWizardApp.java
+++ b/src/org/lineageos/setupwizard/SetupWizardApp.java
@@ -39,6 +39,7 @@ public class SetupWizardApp extends Application {
     public static final String ACTION_SETUP_WIFI = "android.net.wifi.PICK_WIFI_NETWORK";
     public static final String ACTION_SETUP_FINGERPRINT = "android.settings.FINGERPRINT_SETUP";
     public static final String ACTION_SETUP_LOCKSCREEN = "com.android.settings.SETUP_LOCK_SCREEN";
+    public static final String ACTION_RESTORE_FROM_BACKUP = "com.stevesoltys.seedvault.RESTORE_BACKUP";
     public static final String ACTION_EMERGENCY_DIAL = "com.android.phone.EmergencyDialer.DIAL";
     public static final String ACTION_NEXT = "com.android.wizard.NEXT";
     public static final String ACTION_LOAD = "com.android.wizard.LOAD";
@@ -69,6 +70,7 @@ public class SetupWizardApp extends Application {
     public static final int REQUEST_CODE_SETUP_BLUETOOTH= 5;
     public static final int REQUEST_CODE_SETUP_FINGERPRINT = 7;
     public static final int REQUEST_CODE_SETUP_LOCKSCREEN = 9;
+    public static final int REQUEST_CODE_RESTORE = 10;
 
     public static final int RADIO_READY_TIMEOUT = 10 * 1000;
 
diff --git a/src/org/lineageos/setupwizard/backup/RestoreIntroActivity.java b/src/org/lineageos/setupwizard/backup/RestoreIntroActivity.java
new file mode 100644
index 00000000..9e295a34
--- /dev/null
+++ b/src/org/lineageos/setupwizard/backup/RestoreIntroActivity.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2019-2020 The Calyx Institute
+ *
+ * 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 org.lineageos.setupwizard.backup;
+
+import android.content.Intent;
+import org.lineageos.setupwizard.R;
+import org.lineageos.setupwizard.SubBaseActivity;
+
+import static org.lineageos.setupwizard.SetupWizardApp.ACTION_RESTORE_FROM_BACKUP;
+import static org.lineageos.setupwizard.SetupWizardApp.REQUEST_CODE_RESTORE;
+
+public class RestoreIntroActivity extends SubBaseActivity {
+
+    @Override
+    protected void onStartSubactivity() {
+        setNextAllowed(true);
+
+        findViewById(R.id.intro_restore_button).setOnClickListener(v -> launchRestore());
+    }
+
+    @Override
+    protected int getLayoutResId() {
+        return R.layout.intro_restore_activity;
+    }
+
+    @Override
+    protected int getTitleResId() {
+        return R.string.intro_restore_title;
+    }
+
+    @Override
+    protected int getIconResId() {
+        return R.drawable.ic_restore;
+    }
+
+    @Override
+    protected int getSubactivityNextTransition() {
+        return TRANSITION_ID_SLIDE;
+    }
+
+    private void launchRestore() {
+        Intent intent = new Intent(ACTION_RESTORE_FROM_BACKUP);
+        startSubactivity(intent, REQUEST_CODE_RESTORE);
+    }
+
+}