From 6c1a0d0013b09e7b99901adb5933c2a97de0bf96 Mon Sep 17 00:00:00 2001
From: Guojing Yuan <guojing@google.com>
Date: Tue, 18 Jan 2022 21:38:25 +0000
Subject: [PATCH] [CDM perm sync] Add user confirmation UI

Bug: 193583135

Test: make & flash
Change-Id: Id86920e8548948d914e911f02563a8f173a0c0d4
---
 .../res/layout/data_transfer_confirmation.xml |  73 +++++++++++
 .../res/values/strings.xml                    |  11 ++
 .../CompanionDeviceDataTransferActivity.java  | 113 ++++++++++++++++++
 3 files changed, 197 insertions(+)
 create mode 100644 packages/CompanionDeviceManager/res/layout/data_transfer_confirmation.xml
 create mode 100644 packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceDataTransferActivity.java

diff --git a/packages/CompanionDeviceManager/res/layout/data_transfer_confirmation.xml b/packages/CompanionDeviceManager/res/layout/data_transfer_confirmation.xml
new file mode 100644
index 0000000000000..a1855fdda78d0
--- /dev/null
+++ b/packages/CompanionDeviceManager/res/layout/data_transfer_confirmation.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2022 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:id="@+id/activity_confirmation"
+              android:layout_width="match_parent"
+              android:layout_height="wrap_content"
+              android:background="@drawable/dialog_background"
+              android:elevation="16dp"
+              android:maxHeight="400dp"
+              android:orientation="vertical"
+              android:padding="18dp"
+              android:layout_gravity="center">
+
+    <!-- Do NOT change the ID of the root LinearLayout above: it's referenced in CTS tests. -->
+
+    <TextView
+            android:id="@+id/title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:paddingHorizontal="12dp"
+            style="@*android:style/TextAppearance.Widget.Toolbar.Title"/>
+
+    <TextView
+            android:id="@+id/summary"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:layout_marginBottom="12dp"
+            android:gravity="center"
+            android:textColor="?android:attr/textColorSecondary"
+            android:textSize="14sp" />
+
+    <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="end">
+
+        <!-- Do NOT change the IDs of the buttons: they are referenced in CTS tests. -->
+
+        <Button
+                android:id="@+id/btn_negative"
+                style="@android:style/Widget.Material.Button.Borderless.Colored"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/consent_no"
+                android:textColor="?android:attr/textColorSecondary" />
+
+        <Button
+                android:id="@+id/btn_positive"
+                style="@android:style/Widget.Material.Button.Borderless.Colored"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/consent_yes" />
+
+    </LinearLayout>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/packages/CompanionDeviceManager/res/values/strings.xml b/packages/CompanionDeviceManager/res/values/strings.xml
index cb8b616ec0094..25ec96065647c 100644
--- a/packages/CompanionDeviceManager/res/values/strings.xml
+++ b/packages/CompanionDeviceManager/res/values/strings.xml
@@ -73,4 +73,15 @@
 
     <!-- Negative button for the device-app association consent dialog [CHAR LIMIT=30] -->
     <string name="consent_no">Don\u2019t allow</string>
+
+    <!-- ================== System data transfer ==================== -->
+    <!-- Title of the permission sync confirmation dialog. [CHAR LIMIT=60] -->
+    <string name="permission_sync_confirmation_title">Transfer app permissions to your
+        watch</string>
+
+    <!-- Text of the permission sync explanation in the confirmation dialog. [CHAR LIMIT=400] -->
+    <string name="permission_sync_summary">To make it easier to set up your watch,
+        apps installed on your watch during setup will use the same permissions as your phone.\n\n
+        These permissions may include access to your watch\u2019s microphone and location.</string>
+
 </resources>
diff --git a/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceDataTransferActivity.java b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceDataTransferActivity.java
new file mode 100644
index 0000000000000..67efa03b645f4
--- /dev/null
+++ b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceDataTransferActivity.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2022 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.companiondevicemanager;
+
+import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+
+import static java.util.Objects.requireNonNull;
+
+import android.app.Activity;
+import android.companion.SystemDataTransferRequest;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.ResultReceiver;
+import android.text.Html;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ListView;
+import android.widget.TextView;
+
+/**
+ * This activity manages the UI of companion device data transfer.
+ */
+public class CompanionDeviceDataTransferActivity extends Activity {
+
+    private static final String LOG_TAG = CompanionDeviceDataTransferActivity.class.getSimpleName();
+
+    // UI -> SystemDataTransferProcessor
+    private static final int RESULT_CODE_SYSTEM_DATA_TRANSFER_ALLOWED = 0;
+    private static final int RESULT_CODE_SYSTEM_DATA_TRANSFER_DISALLOWED = 1;
+    private static final String EXTRA_SYSTEM_DATA_TRANSFER_REQUEST = "system_data_transfer_request";
+    private static final String EXTRA_SYSTEM_DATA_TRANSFER_RESULT_RECEIVER =
+            "system_data_transfer_result_receiver";
+
+    private SystemDataTransferRequest mRequest;
+    private ResultReceiver mCdmServiceReceiver;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Log.i(LOG_TAG, "Creating UI for data transfer confirmation.");
+
+        getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
+
+        setContentView(R.layout.data_transfer_confirmation);
+
+        TextView titleView = findViewById(R.id.title);
+        TextView summaryView = findViewById(R.id.summary);
+        ListView listView = findViewById(R.id.device_list);
+        listView.setVisibility(View.GONE);
+        Button allowButton = findViewById(R.id.btn_positive);
+        Button disallowButton = findViewById(R.id.btn_negative);
+
+        final Intent intent = getIntent();
+        mRequest = intent.getParcelableExtra(EXTRA_SYSTEM_DATA_TRANSFER_REQUEST);
+        mCdmServiceReceiver = intent.getParcelableExtra(EXTRA_SYSTEM_DATA_TRANSFER_RESULT_RECEIVER);
+
+        requireNonNull(mRequest);
+        requireNonNull(mCdmServiceReceiver);
+
+        if (mRequest.isPermissionSyncAllPackages()
+                || !mRequest.getPermissionSyncPackages().isEmpty()) {
+            titleView.setText(Html.fromHtml(getString(
+                    R.string.permission_sync_confirmation_title), 0));
+            summaryView.setText(getString(R.string.permission_sync_summary));
+            allowButton.setOnClickListener(v -> allow());
+            disallowButton.setOnClickListener(v -> disallow());
+        }
+    }
+
+    private void allow() {
+        Log.i(LOG_TAG, "allow()");
+
+        sendDataToReceiver(RESULT_CODE_SYSTEM_DATA_TRANSFER_ALLOWED);
+
+        setResultAndFinish(RESULT_CODE_SYSTEM_DATA_TRANSFER_ALLOWED);
+    }
+
+    private void disallow() {
+        Log.i(LOG_TAG, "disallow()");
+
+        sendDataToReceiver(RESULT_CODE_SYSTEM_DATA_TRANSFER_DISALLOWED);
+
+        setResultAndFinish(RESULT_CODE_SYSTEM_DATA_TRANSFER_DISALLOWED);
+    }
+
+    private void sendDataToReceiver(int cdmResultCode) {
+        Bundle data = new Bundle();
+        data.putParcelable(EXTRA_SYSTEM_DATA_TRANSFER_REQUEST, mRequest);
+        mCdmServiceReceiver.send(cdmResultCode, data);
+    }
+
+    private void setResultAndFinish(int cdmResultCode) {
+        setResult(cdmResultCode == RESULT_CODE_SYSTEM_DATA_TRANSFER_ALLOWED
+                ? RESULT_OK : RESULT_CANCELED);
+        finish();
+    }
+}