From cff29d68a39383d136f8c7106eae6aad17f371d0 Mon Sep 17 00:00:00 2001
From: reionwong <reionwong@gmail.com>
Date: Wed, 3 Nov 2021 18:04:11 +0800
Subject: [PATCH] WIP: Add bluetooth

---
 CMakeLists.txt                     |   4 +
 src/application.cpp                |   3 +
 src/bluetooth/bluetoothagent.cpp   | 179 +++++++++++++++++++++++++++++
 src/bluetooth/bluetoothagent.h     |  43 +++++++
 src/bluetooth/bluetoothmanager.cpp |  70 +++++++++++
 src/bluetooth/bluetoothmanager.h   |  29 +++++
 src/qml/Bluetooth/Main.qml         |  38 ++++--
 src/qml/IconCheckBox.qml           |   7 --
 src/qml/SideBar.qml                |  14 ++-
 9 files changed, 362 insertions(+), 25 deletions(-)
 create mode 100644 src/bluetooth/bluetoothagent.cpp
 create mode 100644 src/bluetooth/bluetoothagent.h
 create mode 100644 src/bluetooth/bluetoothmanager.cpp
 create mode 100644 src/bluetooth/bluetoothmanager.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 615a832..031122c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,6 +17,7 @@ find_package(X11 REQUIRED)
 find_package(Freetype REQUIRED)
 find_package(PkgConfig REQUIRED)
 find_package(Libcrypt REQUIRED)
+find_package(KF5BluezQt REQUIRED)
 # find_package(QApt REQUIRED)
 
 find_package(KF5NetworkManagerQt REQUIRED)
@@ -53,6 +54,8 @@ set(SRCS
     src/datetime/timezonemap.cpp
     src/datetime/timedated_interface.cpp
     src/touchpad.cpp
+    src/bluetooth/bluetoothmanager.cpp
+    src/bluetooth/bluetoothagent.cpp
 #    src/update/updatemodel.cpp
 )
 
@@ -81,6 +84,7 @@ target_link_libraries(${PROJECT_NAME}
 
         KF5::NetworkManagerQt
         KF5::ModemManagerQt
+        KF5::BluezQt
 
         PkgConfig::FontConfig
         ${FREETYPE_LIBRARIES}
diff --git a/src/application.cpp b/src/application.cpp
index 6a6506e..a9d9c5a 100644
--- a/src/application.cpp
+++ b/src/application.cpp
@@ -25,6 +25,8 @@
 #include "datetime/time.h"
 #include "datetime/timezonemap.h"
 
+#include "bluetooth/bluetoothmanager.h"
+
 static QObject *passwordSingleton(QQmlEngine *engine, QJSEngine *scriptEngine)
 {
     Q_UNUSED(engine);
@@ -77,6 +79,7 @@ Application::Application(int &argc, char **argv)
     qmlRegisterType<Time>(uri, 1, 0, "Time");
     qmlRegisterType<TimeZoneMap>(uri, 1, 0, "TimeZoneMap");
     qmlRegisterType<Touchpad>(uri, 1, 0, "Touchpad");
+    qmlRegisterType<BluetoothManager>(uri, 1, 0, "BluetoothManager");
 
     qmlRegisterSingletonType<Password>(uri, 1, 0, "Password", passwordSingleton);
 
diff --git a/src/bluetooth/bluetoothagent.cpp b/src/bluetooth/bluetoothagent.cpp
new file mode 100644
index 0000000..e40181f
--- /dev/null
+++ b/src/bluetooth/bluetoothagent.cpp
@@ -0,0 +1,179 @@
+/*
+ *   SPDX-FileCopyrightText: 2010 Alex Fiestas <alex@eyeos.org>
+ *   SPDX-FileCopyrightText: 2010 UFO Coders <info@ufocoders.com>
+ *
+ *   SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "bluetoothagent.h"
+
+#include <QDBusObjectPath>
+#include <QFile>
+#include <QStandardPaths>
+#include <QXmlStreamReader>
+
+#include <BluezQt/Device>
+#include <QDebug>
+
+#include <QThread>
+#include <QThreadStorage>
+
+#include <unistd.h>
+
+static int cRandom()
+{
+    static QThreadStorage<bool> initialized_threads;
+    if (!initialized_threads.localData()) {
+        unsigned int seed;
+        initialized_threads.setLocalData(true);
+        QFile urandom(QStringLiteral("/dev/urandom"));
+        bool opened = urandom.open(QIODevice::ReadOnly | QIODevice::Unbuffered);
+        if (!opened || urandom.read(reinterpret_cast<char *>(&seed), sizeof(seed)) != sizeof(seed)) {
+            // silence warnings about use of deprecated qsrand()/qrand()
+            // Porting to QRandomGenerator::global() instead might result in no new seed set for the generator behind qrand()
+            // which then might affect other places indirectly relying on this.
+            // So just keeping the old calls here, as this method is also deprecated and will disappear together with qsrand/qrand.
+            QT_WARNING_PUSH
+            QT_WARNING_DISABLE_CLANG("-Wdeprecated-declarations")
+            QT_WARNING_DISABLE_GCC("-Wdeprecated-declarations")
+            // No /dev/urandom... try something else.
+            qsrand(getpid());
+            seed = qrand() ^ time(nullptr) ^ reinterpret_cast<quintptr>(QThread::currentThread());
+        }
+        qsrand(seed);
+    }
+    return qrand();
+    QT_WARNING_POP
+}
+
+BluetoothAgent::BluetoothAgent(QObject *parent)
+    : BluezQt::Agent(parent)
+    , m_fromDatabase(false)
+{
+}
+
+QString BluetoothAgent::pin()
+{
+    return m_pin;
+}
+
+void BluetoothAgent::setPin(const QString &pin)
+{
+    m_pin = pin;
+    m_fromDatabase = false;
+}
+
+bool BluetoothAgent::isFromDatabase()
+{
+    return m_fromDatabase;
+}
+
+QString BluetoothAgent::getPin(BluezQt::DevicePtr device)
+{
+    m_fromDatabase = false;
+    m_pin = QString::number(cRandom());
+    m_pin = m_pin.left(6);
+
+    const QString &xmlPath = QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("pin-code-database.xml"));
+
+    QFile file(xmlPath);
+    if (!file.open(QIODevice::ReadOnly)) {
+        qDebug() << "Can't open the pin-code-database.xml";
+        return m_pin;
+    }
+
+    QXmlStreamReader xml(&file);
+
+    QString deviceType = BluezQt::Device::typeToString(device->type());
+    if (deviceType == QLatin1String("audiovideo")) {
+        deviceType = QStringLiteral("audio");
+    }
+
+    while (!xml.atEnd()) {
+        xml.readNext();
+        if (xml.name() != QLatin1String("device")) {
+            continue;
+        }
+        QXmlStreamAttributes attr = xml.attributes();
+
+        if (attr.count() == 0) {
+            continue;
+        }
+
+        if (attr.hasAttribute(QLatin1String("type")) && attr.value(QLatin1String("type")) != QLatin1String("any")) {
+            if (deviceType != attr.value(QLatin1String("type")).toString()) {
+                continue;
+            }
+        }
+
+        if (attr.hasAttribute(QLatin1String("oui"))) {
+            if (!device->address().startsWith(attr.value(QLatin1String("oui")).toString())) {
+                continue;
+            }
+        }
+
+        if (attr.hasAttribute(QLatin1String("name"))) {
+            if (device->name() != attr.value(QLatin1String("name")).toString()) {
+                continue;
+            }
+        }
+
+        m_pin = attr.value(QLatin1String("pin")).toString();
+        m_fromDatabase = true;
+        if (m_pin.startsWith(QLatin1String("max:"))) {
+            m_fromDatabase = false;
+            int num = m_pin.rightRef(m_pin.length() - 4).toInt();
+            m_pin = QString::number(cRandom()).left(num);
+        }
+
+        qDebug() << "PIN: " << m_pin;
+        return m_pin;
+    }
+
+    return m_pin;
+}
+
+QDBusObjectPath BluetoothAgent::objectPath() const
+{
+    return QDBusObjectPath(QStringLiteral("/agent"));
+}
+
+void BluetoothAgent::requestPinCode(BluezQt::DevicePtr device, const BluezQt::Request<QString> &req)
+{
+    qDebug() << "AGENT-RequestPinCode" << device->ubi();
+
+    Q_EMIT pinRequested(m_pin);
+    req.accept(m_pin);
+}
+
+void BluetoothAgent::displayPinCode(BluezQt::DevicePtr device, const QString &pinCode)
+{
+    qDebug() << "AGENT-DisplayPinCode" << device->ubi() << pinCode;
+
+    Q_EMIT pinRequested(pinCode);
+}
+
+void BluetoothAgent::requestPasskey(BluezQt::DevicePtr device, const BluezQt::Request<quint32> &req)
+{
+    qDebug() << "AGENT-RequestPasskey" << device->ubi();
+
+    Q_EMIT pinRequested(m_pin);
+    req.accept(m_pin.toUInt());
+}
+
+void BluetoothAgent::displayPasskey(BluezQt::DevicePtr device, const QString &passkey, const QString &entered)
+{
+    Q_UNUSED(entered);
+
+    qDebug() << "AGENT-DisplayPasskey" << device->ubi() << passkey;
+
+    Q_EMIT pinRequested(passkey);
+}
+
+void BluetoothAgent::requestConfirmation(BluezQt::DevicePtr device, const QString &passkey, const BluezQt::Request<> &req)
+{
+
+    qDebug() << "AGENT-RequestConfirmation " << device->ubi() << passkey;
+
+    Q_EMIT confirmationRequested(passkey, req);
+}
diff --git a/src/bluetooth/bluetoothagent.h b/src/bluetooth/bluetoothagent.h
new file mode 100644
index 0000000..0f88f4e
--- /dev/null
+++ b/src/bluetooth/bluetoothagent.h
@@ -0,0 +1,43 @@
+/*
+ *   SPDX-FileCopyrightText: 2010 Alex Fiestas <alex@eyeos.org>
+ *   SPDX-FileCopyrightText: 2010 UFO Coders <info@ufocoders.com>
+ *
+ *   SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef BLUETOOTHAGENT_H
+#define BLUETOOTHAGENT_H
+
+#include <BluezQt/Agent>
+
+class BluetoothAgent : public BluezQt::Agent
+{
+    Q_OBJECT
+
+public:
+    explicit BluetoothAgent(QObject *parent = nullptr);
+
+    QString pin();
+    void setPin(const QString &pin);
+
+    bool isFromDatabase();
+    QString getPin(BluezQt::DevicePtr device);
+
+    QDBusObjectPath objectPath() const override;
+
+    void requestPinCode(BluezQt::DevicePtr device, const BluezQt::Request<QString> &req) override;
+    void displayPinCode(BluezQt::DevicePtr device, const QString &pinCode) override;
+    void requestPasskey(BluezQt::DevicePtr device, const BluezQt::Request<quint32> &req) override;
+    void displayPasskey(BluezQt::DevicePtr device, const QString &passkey, const QString &entered) override;
+    void requestConfirmation(BluezQt::DevicePtr device, const QString &passkey, const BluezQt::Request<> &req) override;
+
+Q_SIGNALS:
+    void pinRequested(const QString &pin);
+    void confirmationRequested(const QString &passkey, const BluezQt::Request<> &req);
+
+private:
+    bool m_fromDatabase;
+    QString m_pin;
+};
+
+#endif // BluetoothAgent_H
diff --git a/src/bluetooth/bluetoothmanager.cpp b/src/bluetooth/bluetoothmanager.cpp
new file mode 100644
index 0000000..ffcc65e
--- /dev/null
+++ b/src/bluetooth/bluetoothmanager.cpp
@@ -0,0 +1,70 @@
+#include "bluetoothmanager.h"
+#include <QDebug>
+
+#include <BluezQt/InitManagerJob>
+#include <BluezQt/Adapter>
+
+BluetoothManager::BluetoothManager(QObject *parent)
+    : QObject(parent)
+    , m_agent(new BluetoothAgent(this))
+{
+    m_manager = new BluezQt::Manager(this);
+    BluezQt::InitManagerJob *initJob = m_manager->init();
+    initJob->start();
+    connect(initJob, &BluezQt::InitManagerJob::result, this, &BluetoothManager::onInitJobResult);
+
+    connect(m_manager, &BluezQt::Manager::bluetoothBlockedChanged, this, [=] (bool blocked) {
+        if (!blocked) {
+            BluezQt::AdapterPtr adaptor = m_manager->adapters().first();
+            if (adaptor) {
+                if (!adaptor->isDiscoverable()) {
+                    adaptor->setDiscoverable(true);
+                }
+            }
+        }
+    });
+}
+
+BluetoothManager::~BluetoothManager()
+{
+    m_manager->unregisterAgent(m_agent);
+
+    delete m_agent;
+    delete m_manager;
+}
+
+void BluetoothManager::setName(const QString &name)
+{
+    BluezQt::AdapterPtr adaptor = m_manager->usableAdapter();
+    adaptor->setName(name);
+}
+
+void BluetoothManager::onInitJobResult(BluezQt::InitManagerJob *job)
+{
+    if (job->error()) {
+        qDebug() << "Init Bluetooth error";
+        return;
+    }
+
+    // Make sure to register agent when bluetoothd starts
+    operationalChanged(m_manager->isOperational());
+    connect(m_manager, &BluezQt::Manager::operationalChanged, this, &BluetoothManager::operationalChanged);
+
+    m_adapter = m_manager->usableAdapter();
+    if (m_adapter) {
+        setName("CutefishOS");
+
+        if (!m_adapter->isDiscoverable())
+            m_adapter->startDiscovery();
+    }
+}
+
+void BluetoothManager::operationalChanged(bool operational)
+{
+    if (operational) {
+        m_manager->registerAgent(m_agent);
+    } else {
+        // Attempt to start bluetoothd
+        BluezQt::Manager::startService();
+    }
+}
diff --git a/src/bluetooth/bluetoothmanager.h b/src/bluetooth/bluetoothmanager.h
new file mode 100644
index 0000000..f2a8e78
--- /dev/null
+++ b/src/bluetooth/bluetoothmanager.h
@@ -0,0 +1,29 @@
+#ifndef BLUETOOTHMANAGER_H
+#define BLUETOOTHMANAGER_H
+
+#include <QObject>
+#include <BluezQt/Manager>
+#include "bluetoothagent.h"
+
+class BluetoothManager : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit BluetoothManager(QObject *parent = nullptr);
+    ~BluetoothManager();
+
+    Q_INVOKABLE void setName(const QString &name);
+
+private slots:
+    void onInitJobResult(BluezQt::InitManagerJob *job);
+    void operationalChanged(bool operational);
+
+private:
+    BluezQt::Manager *m_manager;
+    BluetoothAgent *m_agent;
+    BluezQt::AdapterPtr m_adapter;
+    QString m_name;
+};
+
+#endif // BLUETOOTHMANAGER_H
diff --git a/src/qml/Bluetooth/Main.qml b/src/qml/Bluetooth/Main.qml
index d07d85e..aabca5a 100644
--- a/src/qml/Bluetooth/Main.qml
+++ b/src/qml/Bluetooth/Main.qml
@@ -22,24 +22,37 @@ import QtQuick.Controls 2.4
 import QtQuick.Layouts 1.3
 import Cutefish.Settings 1.0
 import FishUI 1.0 as FishUI
-//import org.kde.bluezqt 1.0 as BluezQt
-//import org.kde.plasma.private.bluetooth 1.0
-
 import Cutefish.Bluez 1.0 as Bluez
 import "../"
 
 ItemPage {
     headerTitle: qsTr("Bluetooth")
 
+    property bool bluetoothDisConnected: Bluez.Manager.bluetoothBlocked
+
+    onBluetoothDisConnectedChanged: {
+        bluetoothSwitch.checked = !bluetoothDisConnected
+    }
+
     function setBluetoothEnabled(enabled) {
         Bluez.Manager.bluetoothBlocked = !enabled
 
         for (var i = 0; i < Bluez.Manager.adapters.length; ++i) {
-            var adapter = Bluez.Manager.adapters[i];
-            adapter.powered = enabled;
+            var adapter = Bluez.Manager.adapters[i]
+            console.log(adapter + ", " + enabled)
+            adapter.powered = enabled
         }
     }
 
+    Bluez.DevicesProxyModel {
+        id: devicesModel
+        sourceModel: Bluez.DevicesModel { }
+    }
+
+    BluetoothManager {
+        id: bluetoothMgr
+    }
+
 //    Label {
 //        id: noBluetoothMessage
 //        anchors.centerIn: parent
@@ -80,23 +93,24 @@ ItemPage {
                         id: bluetoothSwitch
                         Layout.fillHeight: true
                         rightPadding: 0
+                        checked: !Bluez.Manager.bluetoothBlocked
                         onCheckedChanged: setBluetoothEnabled(checked)
-                        Component.onCompleted: bluetoothSwitch.checked = Bluez.Manager.operational
                     }
                 }
 
                 ListView {
+                    visible: count > 0
+
                     property var itemHeight: 50
 
+                    onCountChanged: {
+                        console.log(count)
+                    }
+
                     Layout.fillWidth: true
                     Layout.preferredHeight: itemHeight * count + ((count - 1) * spacing)
 
-                    Bluez.DevicesProxyModel {
-                        id: devicesModel
-                        sourceModel: Bluez.DevicesModel { }
-                    }
-
-                    model: Bluez.Manager.bluetoothOperational ? devicesModel : []
+                    model: devicesModel //Bluez.Manager.bluetoothOperational ? devicesModel : []
 
                     delegate: Item {
                         width: ListView.view.itemHeight
diff --git a/src/qml/IconCheckBox.qml b/src/qml/IconCheckBox.qml
index 3a70778..497672c 100644
--- a/src/qml/IconCheckBox.qml
+++ b/src/qml/IconCheckBox.qml
@@ -52,13 +52,6 @@ Item {
             border.width: 3
             border.color: control.checked ? FishUI.Theme.highlightColor : "transparent"
 
-            Behavior on border.color {
-                ColorAnimation {
-                    duration: 200
-                    easing.type: Easing.OutSine
-                }
-            }
-
             radius: FishUI.Theme.bigRadius + control.iconSpacing
             visible: true
 
diff --git a/src/qml/SideBar.qml b/src/qml/SideBar.qml
index b18b268..b01b4d2 100644
--- a/src/qml/SideBar.qml
+++ b/src/qml/SideBar.qml
@@ -78,12 +78,14 @@ Item {
 //            category: qsTr("Network and connection")
 //        }
 
-//        ListElement {
-//            title: qsTr("Bluetooth")
-//            name: "bluetooth"
-//            page: "qrc:/qml/BluetoothPage.qml"
-//            iconSource: "bluetooth.svg"
-//        }
+        ListElement {
+            title: qsTr("Bluetooth")
+            name: "bluetooth"
+            page: "qrc:/qml/Bluetooth/Main.qml"
+            iconSource: "bluetooth.svg"
+            iconColor: "#0067FF"
+            category: qsTr("Network and connection")
+        }
 
         ListElement {
             title: qsTr("Display")