[LE Audio] Set activity for result after scanning the QR code

Bug: 263554347
Bug: 265281156
Bug: 248409874
Test: manual test
Change-Id: Ia252f29ad9dfdc09266e91cc9ecaa32ed8c749c2
diff --git a/res/values/strings.xml b/res/values/strings.xml
index a79b1d4..7670cf4 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -11773,7 +11773,8 @@
     <string name="find_broadcast_password_dialog_connection_error">Can\u2019t connect. Try again.</string>
     <!-- The error message of enter password dialog in bluetooth find broadcast page [CHAR LIMIT=none] -->
     <string name="find_broadcast_password_dialog_password_error">Wrong password</string>
-
+    <!-- The error message of join the broadcast session by scanning the QR code [CHAR LIMIT=none] -->
+    <string name="find_broadcast_join_broadcast_error">Can\u2019t join the broadcast</string>
 
     <!-- [CHAR LIMIT=NONE] Le audio QR code scanner sub-title -->
     <string name="bt_le_audio_scan_qr_code_scanner">To start listening, center the QR code below</string>
diff --git a/src/com/android/settings/bluetooth/BluetoothFindBroadcastsFragment.java b/src/com/android/settings/bluetooth/BluetoothFindBroadcastsFragment.java
index a365b42..05bc179 100644
--- a/src/com/android/settings/bluetooth/BluetoothFindBroadcastsFragment.java
+++ b/src/com/android/settings/bluetooth/BluetoothFindBroadcastsFragment.java
@@ -19,6 +19,7 @@
 import static android.bluetooth.BluetoothDevice.BOND_NONE;
 import static android.os.UserManager.DISALLOW_CONFIG_BLUETOOTH;
 
+import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.settings.SettingsEnums;
 import android.bluetooth.BluetoothDevice;
@@ -27,6 +28,7 @@
 import android.bluetooth.BluetoothLeBroadcastReceiveState;
 import android.bluetooth.le.ScanFilter;
 import android.content.Context;
+import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -34,6 +36,7 @@
 import android.view.WindowManager;
 import android.widget.EditText;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
@@ -43,6 +46,7 @@
 import com.android.settings.dashboard.RestrictedDashboardFragment;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
 import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcastAssistant;
+import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcastMetadata;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
 import com.android.settingslib.bluetooth.LocalBluetoothProfileManager;
 import com.android.settingslib.core.AbstractPreferenceController;
@@ -65,6 +69,7 @@
 
     public static final String KEY_DEVICE_ADDRESS = "device_address";
     public static final String PREF_KEY_BROADCAST_SOURCE_LIST = "broadcast_source_list";
+    public static final int REQUEST_SCAN_BT_BROADCAST_QR_CODE = 0;
 
     @VisibleForTesting
     String mDeviceAddress;
@@ -79,6 +84,7 @@
     BluetoothFindBroadcastsHeaderController mBluetoothFindBroadcastsHeaderController;
 
     private LocalBluetoothLeBroadcastAssistant mLeBroadcastAssistant;
+    private LocalBluetoothLeBroadcastMetadata mLocalBroadcastMetadata;
     private Executor mExecutor;
     private int mSourceId;
 
@@ -183,6 +189,7 @@
         mCachedDevice = getCachedDevice(mDeviceAddress);
         mLeBroadcastAssistant = getLeBroadcastAssistant();
         mExecutor = Executors.newSingleThreadExecutor();
+        mLocalBroadcastMetadata = new LocalBluetoothLeBroadcastMetadata();
 
         super.onAttach(context);
         if (mCachedDevice == null || mLeBroadcastAssistant == null) {
@@ -229,6 +236,34 @@
         }
     }
 
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        Log.d(TAG, "onActivityResult: " + requestCode + ", resultCode: " + resultCode);
+        if (requestCode == REQUEST_SCAN_BT_BROADCAST_QR_CODE) {
+            if (resultCode == Activity.RESULT_OK) {
+
+                //Get BroadcastMetadata
+                String broadcastMetadata = data.getStringExtra(
+                        QrCodeScanModeFragment.KEY_BROADCAST_METADATA);
+                BluetoothLeBroadcastMetadata source = convertToBroadcastMetadata(broadcastMetadata);
+
+                if (source != null) {
+                    Log.d(TAG, "onActivityResult source Id = " + source.getBroadcastId());
+                    //Create preference for the broadcast source
+                    updateListCategoryFromBroadcastMetadata(source, false);
+                    //Add Source
+                    addSource(mBroadcastSourceListCategory.findPreference(
+                            Integer.toString(source.getBroadcastId())));
+                } else {
+                    Toast.makeText(getContext(),
+                        R.string.find_broadcast_join_broadcast_error, Toast.LENGTH_SHORT).show();
+                    return;
+                }
+            }
+        }
+    }
+
     @VisibleForTesting
     void finishFragmentIfNecessary() {
         if (mCachedDevice.getBondState() == BOND_NONE) {
@@ -466,4 +501,8 @@
     public void setSourceId(int sourceId) {
         mSourceId = sourceId;
     }
+
+    private BluetoothLeBroadcastMetadata convertToBroadcastMetadata(String qrCodeString) {
+        return mLocalBroadcastMetadata.convertToBroadcastMetadata(qrCodeString);
+    }
 }
diff --git a/src/com/android/settings/bluetooth/BluetoothFindBroadcastsHeaderController.java b/src/com/android/settings/bluetooth/BluetoothFindBroadcastsHeaderController.java
index 1282abd..d34476b 100644
--- a/src/com/android/settings/bluetooth/BluetoothFindBroadcastsHeaderController.java
+++ b/src/com/android/settings/bluetooth/BluetoothFindBroadcastsHeaderController.java
@@ -137,7 +137,8 @@
                 .putExtra(BluetoothBroadcastUtils.EXTRA_BLUETOOTH_SINK_IS_GROUP, true)
                 .putExtra(BluetoothBroadcastUtils.EXTRA_BLUETOOTH_DEVICE_SINK,
                         mCachedDevice.getDevice());
-        mContext.startActivity(intent);
+        mBluetoothFindBroadcastsFragment.startActivityForResult(intent,
+                BluetoothFindBroadcastsFragment.REQUEST_SCAN_BT_BROADCAST_QR_CODE);
     }
 
     @Override
diff --git a/src/com/android/settings/bluetooth/QrCodeScanModeController.java b/src/com/android/settings/bluetooth/QrCodeScanModeController.java
deleted file mode 100644
index 4504b4b..0000000
--- a/src/com/android/settings/bluetooth/QrCodeScanModeController.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/**
- * 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.settings.bluetooth;
-
-import android.bluetooth.BluetoothDevice;
-import android.bluetooth.BluetoothLeBroadcastMetadata;
-import android.content.Context;
-import android.util.Log;
-
-import com.android.settingslib.bluetooth.BluetoothUtils;
-import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
-import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcastAssistant;
-import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcastMetadata;
-import com.android.settingslib.bluetooth.LocalBluetoothManager;
-import com.android.settingslib.bluetooth.LocalBluetoothProfileManager;
-
-public class QrCodeScanModeController {
-
-    private static final boolean DEBUG = BluetoothUtils.D;
-    private static final String TAG = "QrCodeScanModeController";
-
-    private LocalBluetoothLeBroadcastMetadata mLocalBroadcastMetadata;
-    private LocalBluetoothLeBroadcastAssistant mLocalBroadcastAssistant;
-    private LocalBluetoothManager mLocalBluetoothManager;
-    private LocalBluetoothProfileManager mProfileManager;
-
-    public QrCodeScanModeController(Context context) {
-        if (DEBUG) {
-            Log.d(TAG, "QrCodeScanModeController constructor.");
-        }
-        mLocalBluetoothManager = Utils.getLocalBtManager(context);
-        mProfileManager = mLocalBluetoothManager.getProfileManager();
-        mLocalBroadcastMetadata = new LocalBluetoothLeBroadcastMetadata();
-        CachedBluetoothDeviceManager cachedDeviceManager = new CachedBluetoothDeviceManager(context,
-                mLocalBluetoothManager);
-        mLocalBroadcastAssistant = new LocalBluetoothLeBroadcastAssistant(context,
-                cachedDeviceManager, mProfileManager);
-    }
-
-    private BluetoothLeBroadcastMetadata convertToBroadcastMetadata(String qrCodeString) {
-        return mLocalBroadcastMetadata.convertToBroadcastMetadata(qrCodeString);
-    }
-
-    public void addSource(BluetoothDevice sink, String sourceMetadata,
-            boolean isGroupOp) {
-        mLocalBroadcastAssistant.addSource(sink,
-                convertToBroadcastMetadata(sourceMetadata), isGroupOp);
-    }
-}
diff --git a/src/com/android/settings/bluetooth/QrCodeScanModeFragment.java b/src/com/android/settings/bluetooth/QrCodeScanModeFragment.java
index d53e2d4..f89dac6 100644
--- a/src/com/android/settings/bluetooth/QrCodeScanModeFragment.java
+++ b/src/com/android/settings/bluetooth/QrCodeScanModeFragment.java
@@ -16,9 +16,11 @@
 
 package com.android.settings.bluetooth;
 
+import android.app.Activity;
 import android.app.settings.SettingsEnums;
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
+import android.content.Intent;
 import android.graphics.Matrix;
 import android.graphics.Outline;
 import android.graphics.Rect;
@@ -67,13 +69,14 @@
 
     private static final Duration VIBRATE_DURATION_QR_CODE_RECOGNITION = Duration.ofMillis(3);
 
+    public static final String KEY_BROADCAST_METADATA = "key_broadcast_metadata";
+
     private boolean mIsGroupOp;
     private int mCornerRadius;
     private BluetoothDevice mSink;
     private String mBroadcastMetadata;
     private Context mContext;
     private QrCamera mCamera;
-    private QrCodeScanModeController mController;
     private TextureView mTextureView;
     private TextView mSummary;
     private TextView mErrorMessage;
@@ -87,7 +90,6 @@
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         mContext = getContext();
-        mController = new QrCodeScanModeController(mContext);
     }
 
     @Override
@@ -215,10 +217,10 @@
                     break;
 
                 case MESSAGE_SCAN_BROADCAST_SUCCESS:
-                    /* TODO(b/265281156) : Move the logic to BluetoothFindBroadcastsFragment.
-                    *  We only pass the QR code string to the previous page.
-                    */
-                    mController.addSource(mSink, mBroadcastMetadata, mIsGroupOp);
+                    Log.d(TAG, "scan success");
+                    final Intent resultIntent = new Intent();
+                    resultIntent.putExtra(KEY_BROADCAST_METADATA, mBroadcastMetadata);
+                    getActivity().setResult(Activity.RESULT_OK, resultIntent);
                     notifyUserForQrCodeRecognition();
                     break;
                 default: