From 5f6bf4aeded6422d361010ba0a61111cf0d9c3b7 Mon Sep 17 00:00:00 2001
From: Zoey Chen <zoeychen@google.com>
Date: Thu, 12 May 2022 11:52:25 +0800
Subject: [PATCH] [Le Audio] Move BT QR code scanner from Settingslibs to
 Settings

Systemui memory regression, so we have to move the qr code activity back to Settings

Bug: 228031398
Test: manual
Change-Id: I4a528fd3f46955c79533f32601abf338b7e47435
---
 packages/SettingsLib/AndroidManifest.xml      |  10 -
 .../res/drawable/ic_qr_code_scanner.xml       |  23 --
 .../res/layout/qrcode_scan_mode_activity.xml  |  30 ---
 .../res/layout/qrcode_scanner_fragment.xml    | 102 --------
 packages/SettingsLib/res/values/dimens.xml    |   6 -
 packages/SettingsLib/res/values/strings.xml   |   7 -
 packages/SettingsLib/res/values/styles.xml    |   7 -
 .../qrcode/QrCodeScanModeActivity.java        | 109 --------
 .../qrcode/QrCodeScanModeBaseActivity.java    |  46 ----
 .../qrcode/QrCodeScanModeController.java      |  82 ------
 .../qrcode/QrCodeScanModeFragment.java        | 235 ------------------
 11 files changed, 657 deletions(-)
 delete mode 100644 packages/SettingsLib/res/drawable/ic_qr_code_scanner.xml
 delete mode 100644 packages/SettingsLib/res/layout/qrcode_scan_mode_activity.xml
 delete mode 100644 packages/SettingsLib/res/layout/qrcode_scanner_fragment.xml
 delete mode 100644 packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeActivity.java
 delete mode 100644 packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeBaseActivity.java
 delete mode 100644 packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeController.java
 delete mode 100644 packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeFragment.java

diff --git a/packages/SettingsLib/AndroidManifest.xml b/packages/SettingsLib/AndroidManifest.xml
index 3e67abfe19603..13f8a372c9b57 100644
--- a/packages/SettingsLib/AndroidManifest.xml
+++ b/packages/SettingsLib/AndroidManifest.xml
@@ -22,16 +22,6 @@
         <activity
             android:name="com.android.settingslib.users.AvatarPickerActivity"
             android:theme="@style/SudThemeGlifV2.DayNight"/>
-
-        <activity
-            android:name="com.android.settingslib.qrcode.QrCodeScanModeActivity"
-            android:exported="true">
-            <intent-filter>
-                <action android:name="android.settings.BLUETOOTH_LE_AUDIO_QR_CODE_SCANNER"/>
-                <category android:name="android.intent.category.DEFAULT"/>
-            </intent-filter>
-        </activity>
-
     </application>
 
 </manifest>
diff --git a/packages/SettingsLib/res/drawable/ic_qr_code_scanner.xml b/packages/SettingsLib/res/drawable/ic_qr_code_scanner.xml
deleted file mode 100644
index f6f63c5ae7fa9..0000000000000
--- a/packages/SettingsLib/res/drawable/ic_qr_code_scanner.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?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.
--->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp"
-        android:height="24dp" android:viewportWidth="24" android:viewportHeight="24"
-        android:tint="?attr/colorControlNormal">
-    <path android:fillColor="@android:color/white"
-          android:pathData="M2,7V2H7V4H4V7ZM2,22V17H4V20H7V22ZM17,22V20H20V17H22V22ZM20,7V4H17V2H22V7ZM17.5,17.5H19V19H17.5ZM17.5,14.5H19V16H17.5ZM16,16H17.5V17.5H16ZM14.5,17.5H16V19H14.5ZM13,16H14.5V17.5H13ZM16,13H17.5V14.5H16ZM14.5,14.5H16V16H14.5ZM13,13H14.5V14.5H13ZM19,5V11H13V5ZM11,13V19H5V13ZM11,5V11H5V5ZM9.5,17.5V14.5H6.5V17.5ZM9.5,9.5V6.5H6.5V9.5ZM17.5,9.5V6.5H14.5V9.5Z"/>
-</vector>
\ No newline at end of file
diff --git a/packages/SettingsLib/res/layout/qrcode_scan_mode_activity.xml b/packages/SettingsLib/res/layout/qrcode_scan_mode_activity.xml
deleted file mode 100644
index f0a182b3d67b2..0000000000000
--- a/packages/SettingsLib/res/layout/qrcode_scan_mode_activity.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?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/root"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <LinearLayout
-        android:id="@+id/fragment_container"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"/>
-
-</LinearLayout>
diff --git a/packages/SettingsLib/res/layout/qrcode_scanner_fragment.xml b/packages/SettingsLib/res/layout/qrcode_scanner_fragment.xml
deleted file mode 100644
index 0a7fe09033488..0000000000000
--- a/packages/SettingsLib/res/layout/qrcode_scanner_fragment.xml
+++ /dev/null
@@ -1,102 +0,0 @@
-<?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"
-    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <LinearLayout
-        android:id="@+id/sud_layout_icon_container"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_weight="3"
-        android:layout_marginBottom="35dp">
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="bottom"
-            android:gravity="center"
-            android:orientation="vertical">
-            <ImageView
-                android:id="@+id/sud_layout_icon"
-                android:src="@drawable/ic_qr_code_scanner"
-                android:tint="?androidprv:attr/colorAccentPrimaryVariant"
-                android:layout_width="@dimen/qrcode_icon_size"
-                android:layout_height="@dimen/qrcode_icon_size"
-                android:contentDescription="@null"/>
-
-            <TextView
-                android:id="@+id/sud_layout_title"
-                style="@style/QrCodeScanner"
-                android:textSize="24sp"
-                android:text="@string/bt_le_audio_scan_qr_code"
-                android:gravity="center"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="19dp"/>
-
-            <TextView
-                android:id="@+id/sud_layout_subtitle"
-                style="@style/QrCodeScanner"
-                android:text="@string/bt_le_audio_scan_qr_code_scanner"
-                android:gravity="center"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="8dp"/>
-        </LinearLayout>
-    </LinearLayout>
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_weight="7"
-        android:orientation="vertical">
-
-        <FrameLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_gravity="top"
-            android:gravity="center"
-            android:clipChildren="true">
-            <TextureView
-                android:id="@+id/preview_view"
-                android:layout_marginStart="@dimen/qrcode_preview_margin"
-                android:layout_marginEnd="@dimen/qrcode_preview_margin"
-                android:layout_width="match_parent"
-                android:layout_height="@dimen/qrcode_preview_size"/>
-        </FrameLayout>
-
-        <TextView
-            android:id="@+id/error_message"
-            style="@style/TextAppearance.ErrorText"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="16dp"
-            android:layout_marginStart="?attr/sudMarginStart"
-            android:layout_marginEnd="?attr/sudMarginEnd"
-            android:gravity="center"
-            android:layout_gravity="center"
-            android:visibility="invisible"/>
-
-    </LinearLayout>
-
-
-</LinearLayout>
-
diff --git a/packages/SettingsLib/res/values/dimens.xml b/packages/SettingsLib/res/values/dimens.xml
index cbc79d2d5d930..226b119ebb767 100644
--- a/packages/SettingsLib/res/values/dimens.xml
+++ b/packages/SettingsLib/res/values/dimens.xml
@@ -115,12 +115,6 @@
     <!-- Minimum density scale. This is available on all devices. -->
     <fraction name="display_density_min_scale">85%</fraction>
 
-    <!-- QR code picture size -->
-    <dimen name="qrcode_preview_size">360dp</dimen>
-    <dimen name="qrcode_preview_margin">40dp</dimen>
-    <dimen name="qrcode_preview_radius">30dp</dimen>
-    <dimen name="qrcode_icon_size">27dp</dimen>
-
     <!-- Broadcast dialog -->
     <dimen name="broadcast_dialog_title_img_margin_top">18dp</dimen>
     <dimen name="broadcast_dialog_title_text_size">24sp</dimen>
diff --git a/packages/SettingsLib/res/values/strings.xml b/packages/SettingsLib/res/values/strings.xml
index a171f86dd2176..847f1dc541e8e 100644
--- a/packages/SettingsLib/res/values/strings.xml
+++ b/packages/SettingsLib/res/values/strings.xml
@@ -1589,13 +1589,6 @@
     <!-- Description for a setting which controls whether an app can turn the screen on [CHAR LIMIT=NONE] -->
     <string name="allow_turn_screen_on_description">Allow an app to turn the screen on. If granted, the app may turn on the screen at any time without your explicit intent.</string>
 
-    <!-- [CHAR LIMIT=NONE] Le audio QR code scanner title -->
-    <string name="bt_le_audio_scan_qr_code">Scan QR code</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>
-    <!-- [CHAR LIMIT=NONE] Hint for QR code process failure -->
-    <string name="bt_le_audio_qr_code_is_not_valid_format">QR code isn\u0027t a valid format</string>
-
     <!-- [CHAR LIMIT=NONE] Le audio broadcast dialog, title -->
     <string name="bt_le_audio_broadcast_dialog_title">Stop broadcasting <xliff:g id="app_name" example="App Name 1">%1$s</xliff:g>?</string>
     <!-- [CHAR LIMIT=NONE] Le audio broadcast dialog, sub-title -->
diff --git a/packages/SettingsLib/res/values/styles.xml b/packages/SettingsLib/res/values/styles.xml
index 32345150531dc..5237b4fa1c3d6 100644
--- a/packages/SettingsLib/res/values/styles.xml
+++ b/packages/SettingsLib/res/values/styles.xml
@@ -33,13 +33,6 @@
         <item name="android:textColor">?android:attr/colorError</item>
     </style>
 
-    <style name="QrCodeScanner">
-        <item name="android:fontFamily">@*android:string/config_headlineFontFamily</item>
-        <item name="android:textSize">16sp</item>
-        <item name="android:textColor">?android:attr/textColorPrimary</item>
-        <item name="android:textDirection">locale</item>
-    </style>
-
     <style name="BroadcastDialogTitleStyle">
         <item name="android:textAppearance">@style/TextAppearanceBroadcastDialogTitle</item>
         <item name="android:layout_marginStart">@dimen/broadcast_dialog_title_text_margin</item>
diff --git a/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeActivity.java b/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeActivity.java
deleted file mode 100644
index 15a910e13aa8a..0000000000000
--- a/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeActivity.java
+++ /dev/null
@@ -1,109 +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.settingslib.qrcode;
-
-import static com.android.settingslib.bluetooth.BluetoothBroadcastUtils.EXTRA_BLUETOOTH_DEVICE_SINK;
-import static com.android.settingslib.bluetooth.BluetoothBroadcastUtils.EXTRA_BLUETOOTH_SINK_IS_GROUP;
-
-import android.bluetooth.BluetoothDevice;
-import android.content.Intent;
-import android.os.Bundle;
-import android.util.Log;
-
-import androidx.fragment.app.FragmentTransaction;
-
-import com.android.settingslib.R;
-import com.android.settingslib.bluetooth.BluetoothBroadcastUtils;
-import com.android.settingslib.bluetooth.BluetoothUtils;
-
-public class QrCodeScanModeActivity extends QrCodeScanModeBaseActivity {
-    private static final boolean DEBUG = BluetoothUtils.D;
-    private static final String TAG = "QrCodeScanModeActivity";
-
-    private boolean mIsGroupOp;
-    private BluetoothDevice mSink;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-    }
-
-    @Override
-    protected void handleIntent(Intent intent) {
-        String action = intent != null ? intent.getAction() : null;
-        if (DEBUG) {
-            Log.d(TAG, "handleIntent(), action = " + action);
-        }
-
-        if (action == null) {
-            finish();
-            return;
-        }
-
-        switch (action) {
-            case BluetoothBroadcastUtils.ACTION_BLUETOOTH_LE_AUDIO_QR_CODE_SCANNER:
-                showQrCodeScannerFragment(intent);
-                break;
-            default:
-                if (DEBUG) {
-                    Log.e(TAG, "Launch with an invalid action");
-                }
-                finish();
-        }
-    }
-
-    protected void showQrCodeScannerFragment(Intent intent) {
-        if (DEBUG) {
-            Log.d(TAG, "showQrCodeScannerFragment");
-        }
-
-        if (intent != null) {
-            mSink = intent.getParcelableExtra(EXTRA_BLUETOOTH_DEVICE_SINK);
-            mIsGroupOp = intent.getBooleanExtra(EXTRA_BLUETOOTH_SINK_IS_GROUP, false);
-            if (DEBUG) {
-                Log.d(TAG, "get extra from intent");
-            }
-        } else {
-            if (DEBUG) {
-                Log.d(TAG, "intent is null, can not get bluetooth information from intent.");
-            }
-        }
-
-        QrCodeScanModeFragment fragment =
-                (QrCodeScanModeFragment) mFragmentManager.findFragmentByTag(
-                        BluetoothBroadcastUtils.TAG_FRAGMENT_QR_CODE_SCANNER);
-
-        if (fragment == null) {
-            fragment = new QrCodeScanModeFragment(mIsGroupOp, mSink);
-        } else {
-            if (fragment.isVisible()) {
-                return;
-            }
-
-            // When the fragment in back stack but not on top of the stack, we can simply pop
-            // stack because current fragment transactions are arranged in an order
-            mFragmentManager.popBackStackImmediate();
-            return;
-        }
-        final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
-
-        fragmentTransaction.replace(R.id.fragment_container, fragment,
-                BluetoothBroadcastUtils.TAG_FRAGMENT_QR_CODE_SCANNER);
-        fragmentTransaction.commit();
-    }
-}
-
diff --git a/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeBaseActivity.java b/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeBaseActivity.java
deleted file mode 100644
index 361fd5b57556e..0000000000000
--- a/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeBaseActivity.java
+++ /dev/null
@@ -1,46 +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.settingslib.qrcode;
-
-import android.content.Intent;
-import android.os.Bundle;
-
-import androidx.fragment.app.FragmentManager;
-
-import com.android.settingslib.R;
-import com.android.settingslib.core.lifecycle.ObservableActivity;
-
-public abstract class QrCodeScanModeBaseActivity extends ObservableActivity {
-
-    protected FragmentManager mFragmentManager;
-
-    protected abstract void handleIntent(Intent intent);
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        setTheme(R.style.SudThemeGlifV3_DayNight);
-
-        setContentView(R.layout.qrcode_scan_mode_activity);
-        mFragmentManager = getSupportFragmentManager();
-
-        if (savedInstanceState == null) {
-            handleIntent(getIntent());
-        }
-    }
-}
diff --git a/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeController.java b/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeController.java
deleted file mode 100644
index 153d2d20e801a..0000000000000
--- a/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeController.java
+++ /dev/null
@@ -1,82 +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.settingslib.qrcode;
-
-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;
-
-    private LocalBluetoothManager.BluetoothManagerCallback
-            mOnInitCallback = new LocalBluetoothManager.BluetoothManagerCallback() {
-        @Override
-        public void onBluetoothManagerInitialized(Context appContext,
-                LocalBluetoothManager bluetoothManager) {
-            BluetoothUtils.setErrorListener(mErrorListener);
-        }
-    };
-
-    private BluetoothUtils.ErrorListener
-            mErrorListener = new BluetoothUtils.ErrorListener() {
-        @Override
-        public void onShowError(Context context, String name, int messageResId) {
-            if (DEBUG) {
-                Log.d(TAG, "Get error when initializing BluetoothManager. ");
-            }
-        }
-    };
-
-    public QrCodeScanModeController(Context context) {
-        if (DEBUG) {
-            Log.d(TAG, "QrCodeScanModeController constructor.");
-        }
-        mLocalBluetoothManager = LocalBluetoothManager.getInstance(context, mOnInitCallback);
-        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/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeFragment.java b/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeFragment.java
deleted file mode 100644
index 069b9507ccefc..0000000000000
--- a/packages/SettingsLib/src/com/android/settingslib/qrcode/QrCodeScanModeFragment.java
+++ /dev/null
@@ -1,235 +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.settingslib.qrcode;
-
-import android.bluetooth.BluetoothDevice;
-import android.content.Context;
-import android.graphics.Matrix;
-import android.graphics.Outline;
-import android.graphics.Rect;
-import android.graphics.SurfaceTexture;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
-import android.util.Log;
-import android.util.Size;
-import android.view.LayoutInflater;
-import android.view.TextureView;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.ViewOutlineProvider;
-import android.view.accessibility.AccessibilityEvent;
-import android.widget.TextView;
-
-import com.android.settingslib.R;
-import com.android.settingslib.bluetooth.BluetoothBroadcastUtils;
-import com.android.settingslib.bluetooth.BluetoothUtils;
-import com.android.settingslib.core.lifecycle.ObservableFragment;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.StringRes;
-
-public class QrCodeScanModeFragment extends ObservableFragment implements
-        TextureView.SurfaceTextureListener,
-        QrCamera.ScannerCallback {
-    private static final boolean DEBUG = BluetoothUtils.D;
-    private static final String TAG = "QrCodeScanModeFragment";
-
-    /** Message sent to hide error message */
-    private static final int MESSAGE_HIDE_ERROR_MESSAGE = 1;
-    /** Message sent to show error message */
-    private static final int MESSAGE_SHOW_ERROR_MESSAGE = 2;
-    /** Message sent to broadcast QR code */
-    private static final int MESSAGE_SCAN_BROADCAST_SUCCESS = 3;
-
-    private static final long SHOW_ERROR_MESSAGE_INTERVAL = 10000;
-    private static final long SHOW_SUCCESS_SQUARE_INTERVAL = 1000;
-
-    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;
-
-    public QrCodeScanModeFragment(boolean isGroupOp, BluetoothDevice sink) {
-        mIsGroupOp = isGroupOp;
-        mSink = sink;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        mContext = getContext();
-        mController = new QrCodeScanModeController(mContext);
-    }
-
-    @Override
-    public final View onCreateView(LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState) {
-        return inflater.inflate(R.layout.qrcode_scanner_fragment, container,
-                /* attachToRoot */ false);
-    }
-
-    @Override
-    public void onViewCreated(View view, Bundle savedInstanceState) {
-        mTextureView = view.findViewById(R.id.preview_view);
-        mCornerRadius = mContext.getResources().getDimensionPixelSize(
-                R.dimen.qrcode_preview_radius);
-        mTextureView.setSurfaceTextureListener(this);
-        mTextureView.setOutlineProvider(new ViewOutlineProvider() {
-            @Override
-            public void getOutline(View view, Outline outline) {
-                outline.setRoundRect(0,0, view.getWidth(), view.getHeight(), mCornerRadius);
-            }
-        });
-        mTextureView.setClipToOutline(true);
-        mErrorMessage = view.findViewById(R.id.error_message);
-    }
-
-    private void initCamera(SurfaceTexture surface) {
-        // Check if the camera has already created.
-        if (mCamera == null) {
-            mCamera = new QrCamera(mContext, this);
-            mCamera.start(surface);
-        }
-    }
-
-    private void destroyCamera() {
-        if (mCamera != null) {
-            mCamera.stop();
-            mCamera = null;
-        }
-    }
-
-    @Override
-    public void onSurfaceTextureAvailable(@NonNull SurfaceTexture surface, int width, int height) {
-        initCamera(surface);
-    }
-
-    @Override
-    public void onSurfaceTextureSizeChanged(@NonNull SurfaceTexture surface, int width,
-            int height) {
-    }
-
-    @Override
-    public boolean onSurfaceTextureDestroyed(@NonNull SurfaceTexture surface) {
-        destroyCamera();
-        return true;
-    }
-
-    @Override
-    public void onSurfaceTextureUpdated(@NonNull SurfaceTexture surface) {
-    }
-
-    @Override
-    public void handleSuccessfulResult(String qrCode) {
-        if (DEBUG) {
-            Log.d(TAG, "handleSuccessfulResult(), get the qr code string.");
-        }
-        mBroadcastMetadata = qrCode;
-        handleBtLeAudioScanner();
-    }
-
-    @Override
-    public void handleCameraFailure() {
-        destroyCamera();
-    }
-
-    @Override
-    public Size getViewSize() {
-        return new Size(mTextureView.getWidth(), mTextureView.getHeight());
-    }
-
-    @Override
-    public Rect getFramePosition(Size previewSize, int cameraOrientation) {
-        return new Rect(0, 0, previewSize.getHeight(), previewSize.getHeight());
-    }
-
-    @Override
-    public void setTransform(Matrix transform) {
-        mTextureView.setTransform(transform);
-    }
-
-    @Override
-    public boolean isValid(String qrCode) {
-        if (qrCode.startsWith(BluetoothBroadcastUtils.SCHEME_BT_BROADCAST_METADATA)) {
-            return true;
-        } else {
-            showErrorMessage(R.string.bt_le_audio_qr_code_is_not_valid_format);
-            return false;
-        }
-    }
-
-    protected boolean isDecodeTaskAlive() {
-        return mCamera != null && mCamera.isDecodeTaskAlive();
-    }
-
-    private final Handler mHandler = new Handler() {
-        @Override
-        public void handleMessage(Message msg) {
-            switch (msg.what) {
-                case MESSAGE_HIDE_ERROR_MESSAGE:
-                    mErrorMessage.setVisibility(View.INVISIBLE);
-                    break;
-
-                case MESSAGE_SHOW_ERROR_MESSAGE:
-                    final String errorMessage = (String) msg.obj;
-
-                    mErrorMessage.setVisibility(View.VISIBLE);
-                    mErrorMessage.setText(errorMessage);
-                    mErrorMessage.sendAccessibilityEvent(
-                            AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
-
-                    // Cancel any pending messages to hide error view and requeue the message so
-                    // user has time to see error
-                    removeMessages(MESSAGE_HIDE_ERROR_MESSAGE);
-                    sendEmptyMessageDelayed(MESSAGE_HIDE_ERROR_MESSAGE,
-                            SHOW_ERROR_MESSAGE_INTERVAL);
-                    break;
-
-                case MESSAGE_SCAN_BROADCAST_SUCCESS:
-                    mController.addSource(mSink, mBroadcastMetadata, mIsGroupOp);
-                    updateSummary();
-                    mSummary.sendAccessibilityEvent(
-                            AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
-                    break;
-                default:
-            }
-        }
-    };
-
-    private void showErrorMessage(@StringRes int messageResId) {
-        final Message message = mHandler.obtainMessage(MESSAGE_SHOW_ERROR_MESSAGE,
-                getString(messageResId));
-        message.sendToTarget();
-    }
-
-    private void handleBtLeAudioScanner() {
-        Message message = mHandler.obtainMessage(MESSAGE_SCAN_BROADCAST_SUCCESS);
-        mHandler.sendMessageDelayed(message, SHOW_SUCCESS_SQUARE_INTERVAL);
-    }
-
-    private void updateSummary() {
-        mSummary.setText(getString(R.string.bt_le_audio_scan_qr_code_scanner,
-                null /* broadcast_name*/));;
-    }
-}