libqtappfw: bluetooth: add initial agl-service-bluetooth support

Add initial support for libqtappfw of the agl-service-bluetooth binding
to allow removal of QML logic from the Settings application

Bug-AGL: SPEC-1385
Change-Id: Iea909af113590667d619afcf09c50523c1c34035
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>

7 files changed, 379 insertions, 2 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 64d377b..ec89c39 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,7 @@ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/qtappfw.pc
 	DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/pkgconfig)
 
 add_library(qtappfw SHARED message.cpp messageengine.cpp
+	bluetooth.cpp bluetoothmessage.cpp
 	mediaplayer.cpp mediaplayermessage.cpp
 	telephony.cpp telephonymessage.cpp
 	weather.cpp weathermessage.cpp)
@@ -22,7 +23,7 @@ target_link_libraries(qtappfw Qt5::WebSockets)
 set_target_properties(qtappfw PROPERTIES
 	VERSION ${PROJECT_VERSION}
 	SOVERSION 1
-	PUBLIC_HEADER "message.h;messageengine.h;mediaplayer.h;mediaplayermessage.h;telephony.h;telephonymessage.h;weather.h;weathermessage.h")
+	PUBLIC_HEADER "message.h;messageengine.h;bluetooth.h;bluetoothmessage.h;mediaplayer.h;mediaplayermessage.h;telephony.h;telephonymessage.h;weather.h;weathermessage.h")
 target_include_directories(qtappfw PRIVATE .)
 install(TARGETS qtappfw
 	LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
diff --git a/bluetooth.cpp b/bluetooth.cpp
new file mode 100644
index 0000000..377139c
--- /dev/null
+++ b/bluetooth.cpp
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2018 Konsulko Group
+ *
+ * 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.
+ */
+
+#include "message.h"
+#include "messageengine.h"
+#include "bluetooth.h"
+#include "bluetoothmessage.h"
+
+Bluetooth::Bluetooth (QUrl &url, QObject * parent) :
+    QObject(parent),
+    m_mloop(nullptr)
+{
+    m_mloop = new MessageEngine(url);
+    QObject::connect(m_mloop, &MessageEngine::connected, this, &Bluetooth::onConnected);
+    QObject::connect(m_mloop, &MessageEngine::disconnected, this, &Bluetooth::onDisconnected);
+    QObject::connect(m_mloop, &MessageEngine::messageReceived, this, &Bluetooth::onMessageReceived);
+}
+
+Bluetooth::~Bluetooth()
+{
+    delete m_mloop;
+}
+
+void Bluetooth::generic_command(QString verb, QString value)
+{
+    BluetoothMessage *tmsg = new BluetoothMessage();
+    QJsonObject parameter;
+
+    if (!value.isEmpty())
+        parameter.insert("value", value);
+
+    tmsg->createRequest(verb, parameter);
+    m_mloop->sendMessage(tmsg);
+    tmsg->deleteLater();
+}
+
+void Bluetooth::setPower(bool state)
+{
+    generic_command("power", state ? "true": "false");
+
+    m_power = state;
+
+    emit powerChanged();
+}
+
+void Bluetooth::setDiscoverable(bool state)
+{
+    const QStringList properties { "Pairable", "Discoverable" };
+    QStringListIterator propertyIterator(properties);
+
+    while (propertyIterator.hasNext()) {
+        BluetoothMessage *tmsg = new BluetoothMessage();
+        QJsonObject parameter;
+
+        parameter.insert("Property", propertyIterator.next());
+        parameter.insert("value", state ? "true" : "false");
+
+        tmsg->createRequest("set_property", parameter);
+        m_mloop->sendMessage(tmsg);
+        tmsg->deleteLater();
+    }
+
+    m_discoverable = state;
+
+    emit discoverableChanged();
+}
+
+void Bluetooth::start_discovery()
+{
+    generic_command("start_discovery", "");
+    generic_command("discovery_result", "");
+}
+
+void Bluetooth::stop_discovery()
+{
+    generic_command("stop_discovery", "");
+}
+
+void Bluetooth::remove_device(QString address)
+{
+    generic_command("remove_device", address);
+}
+
+void Bluetooth::pair(QString address)
+{
+    generic_command("pair", address);
+}
+
+void Bluetooth::cancel_pair(QString address)
+{
+    generic_command("cancel_pair", address);
+}
+
+void Bluetooth::connect(QString address, QString uuid)
+{
+    BluetoothMessage *tmsg = new BluetoothMessage();
+    QJsonObject parameter;
+
+    parameter.insert("value", address);
+    parameter.insert("uuid", uuid);
+    tmsg->createRequest("connect", parameter);
+    m_mloop->sendMessage(tmsg);
+    tmsg->deleteLater();
+}
+
+void Bluetooth::connect(QString address)
+{
+    generic_command("connect", address);
+}
+
+void Bluetooth::disconnect(QString address, QString uuid)
+{
+    BluetoothMessage *tmsg = new BluetoothMessage();
+    QJsonObject parameter;
+
+    parameter.insert("value", address);
+    parameter.insert("uuid", uuid);
+    tmsg->createRequest("disconnect", parameter);
+    m_mloop->sendMessage(tmsg);
+    tmsg->deleteLater();
+}
+
+void Bluetooth::disconnect(QString address)
+{
+    generic_command("disconnect", address);
+}
+
+void Bluetooth::send_confirmation()
+{
+    generic_command("send_confirmation", "yes");
+}
+
+void Bluetooth::onConnected()
+{
+    QStringListIterator eventIterator(events);
+    BluetoothMessage *tmsg;
+
+    while (eventIterator.hasNext()) {
+        tmsg = new BluetoothMessage();
+        QJsonObject parameter;
+        parameter.insert("value", eventIterator.next());
+        tmsg->createRequest("subscribe", parameter);
+        m_mloop->sendMessage(tmsg);
+        tmsg->deleteLater();
+    }
+
+    // get initial power state
+    generic_command("power", QString());
+}
+
+void Bluetooth::onDisconnected()
+{
+    QStringListIterator eventIterator(events);
+    BluetoothMessage *tmsg;
+
+    while (eventIterator.hasNext()) {
+        tmsg = new BluetoothMessage();
+        QJsonObject parameter;
+        parameter.insert("value", eventIterator.next());
+        tmsg->createRequest("unsubscribe", parameter);
+        m_mloop->sendMessage(tmsg);
+        tmsg->deleteLater();
+    }
+}
+
+void Bluetooth::onMessageReceived(MessageType type, Message *msg)
+{
+    if (msg->isEvent() && type == BluetoothEventMessage) {
+        BluetoothMessage *tmsg = qobject_cast<BluetoothMessage*>(msg);
+
+        if (tmsg->isConnectionEvent()) {
+            emit connectionEvent(tmsg->eventData());
+        } else if (tmsg->isRequestConfirmationEvent()) {
+            emit requestConfirmationEvent(tmsg->eventData());
+        } else if (tmsg->isDeviceAddedEvent()) {
+            emit deviceAddedEvent(tmsg->eventData());
+        } else if (tmsg->isDeviceRemovedEvent()) {
+            emit deviceRemovedEvent(tmsg->eventData());
+        } else if (tmsg->isDeviceUpdatedEvent()) {
+            emit deviceUpdatedEvent(tmsg->eventData());
+        }
+    } else if (msg->isReply() && type == GenericMessage) {
+        if (this->isDiscoveryListResponse(msg)) {
+            emit deviceListEvent(msg->replyData());
+        } else if (this->isPowerResponse(msg)) {
+            m_power = msg->replyData().value("power").toString() == "on";
+            emit powerChanged();
+        }
+    }
+
+    msg->deleteLater();
+}
diff --git a/bluetooth.h b/bluetooth.h
new file mode 100644
index 0000000..0bce40f
--- /dev/null
+++ b/bluetooth.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2018 Konsulko Group
+ *
+ * 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.
+ */
+
+#ifndef BLUETOOTH_H
+#define BLUETOOTH_H
+
+#include <QDebug>
+#include <QObject>
+
+#include "messageengine.h"
+
+class Bluetooth : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(bool power READ power WRITE setPower NOTIFY powerChanged)
+    Q_PROPERTY(bool discoverable READ discoverable WRITE setDiscoverable NOTIFY discoverableChanged)
+
+    public:
+        explicit Bluetooth(QUrl &url, QObject * parent = Q_NULLPTR);
+        virtual ~Bluetooth();
+
+        void setPower(bool);
+        void setDiscoverable(bool);
+
+        Q_INVOKABLE void start_discovery(void);
+        Q_INVOKABLE void stop_discovery(void);
+
+        Q_INVOKABLE void remove_device(QString address);
+        Q_INVOKABLE void pair(QString address);
+        Q_INVOKABLE void cancel_pair(QString address);
+
+        Q_INVOKABLE void connect(QString address, QString uuid);
+        Q_INVOKABLE void connect(QString address);
+
+        Q_INVOKABLE void disconnect(QString address, QString uuid);
+        Q_INVOKABLE void disconnect(QString address);
+
+        Q_INVOKABLE void send_confirmation(void);
+
+        bool power() const { return m_power; };
+        bool discoverable() const { return m_discoverable; };
+
+    signals:
+        void powerChanged();
+        void discoverableChanged();
+
+        void connectionEvent(QJsonObject data);
+        void requestConfirmationEvent(QJsonObject data);
+        void deviceAddedEvent(QJsonObject data);
+        void deviceRemovedEvent(QJsonObject data);
+        void deviceUpdatedEvent(QJsonObject data);
+        void deviceListEvent(QJsonObject data);
+
+    private:
+        MessageEngine *m_mloop;
+        void generic_command(QString, QString);
+
+        // slots
+        void onConnected();
+        void onDisconnected();
+        void onMessageReceived(MessageType, Message*);
+
+        bool isDiscoveryListResponse(Message *tmsg) { return (tmsg->replyInfo() == "BT - Scan Result is Displayed"); };
+        bool isPowerResponse(Message *tmsg) { return (tmsg->replyInfo() == "Radio - Power set"); };
+
+        // values
+        bool m_power;
+        bool m_discoverable;
+
+        const QStringList events {
+            "connection",
+            "request_confirmation",
+            "device_added",
+            "device_removed",
+            "device_updated",
+        };
+};
+
+#endif // BLUETOOTH_H
diff --git a/bluetoothmessage.cpp b/bluetoothmessage.cpp
new file mode 100644
index 0000000..52ecbed
--- /dev/null
+++ b/bluetoothmessage.cpp
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2018 Konsulko Group
+ *
+ * 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.
+ */
+
+#include <QDebug>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+
+#include "bluetoothmessage.h"
+
+bool BluetoothMessage::createRequest(QString verb, QJsonObject parameter)
+{
+	if (!verbs.contains(verb))
+		return false;
+
+	return Message::createRequest("Bluetooth-Manager", verb, parameter);
+}
diff --git a/bluetoothmessage.h b/bluetoothmessage.h
new file mode 100644
index 0000000..6ce2f3e
--- /dev/null
+++ b/bluetoothmessage.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2018 Konsulko Group
+ *
+ * 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.
+ */
+
+#ifndef BLUETOOTH_MESSAGE_H
+#define BLUETOOTH_MESSAGE_H
+
+#include "message.h"
+
+class BluetoothMessage : public Message
+{
+    Q_OBJECT
+    public:
+        bool isConnectionEvent() { return (this->eventName() == "connection"); };
+        bool isRequestConfirmationEvent() { return (this->eventName() == "request_confirmation"); };
+        bool isDeviceAddedEvent() { return (this->eventName() == "device_added"); };
+        bool isDeviceRemovedEvent() { return (this->eventName() == "device_removed"); };
+        bool isDeviceUpdatedEvent() { return (this->eventName() == "device_updated"); };
+        bool createRequest(QString verb, QJsonObject parameter);
+
+    private:
+        QStringList verbs {
+            "start_discovery" ,    "stop_discovery",    "power",
+            "remove_device",       "pair",              "cancel_pair",
+            "connect",             "disconnect",        "device_priorites",
+            "set_device_property", "set_property",      "discovery_result",
+            "set_avrcp_controls",  "send_confirmation",
+            "subscribe",           "unsubscribe",
+        };
+};
+
+#endif // BLUETOOTH_MESSAGE_H
diff --git a/message.h b/message.h
index 59be368..64bb69f 100644
--- a/message.h
+++ b/message.h
@@ -33,6 +33,7 @@ enum MessageType {
 	TelephonyEventMessage,
 	WeatherEventMessage,
 	MediaplayerEventMessage,
+	BluetoothEventMessage,
 };
 
 class Message : public QObject
diff --git a/messageengine.cpp b/messageengine.cpp
index 916fb25..4cc5bf3 100644
--- a/messageengine.cpp
+++ b/messageengine.cpp
@@ -16,6 +16,7 @@
 
 #include "message.h"
 #include "messageengine.h"
+#include "bluetoothmessage.h"
 #include "mediaplayermessage.h"
 #include "telephonymessage.h"
 #include "weathermessage.h"
@@ -73,7 +74,10 @@ void MessageEngine::onTextMessageReceived(QString jsonStr)
 	MessageType type;
 	// FIXME: This should be rewritten using a factory class with a
 	// parser parameter to remove API specific handling here
-	if (api == "telephony") {
+	if (api == "Bluetooth-Manager") {
+		message = new BluetoothMessage;
+		type = BluetoothEventMessage;
+	} else if (api == "telephony") {
 		message = new TelephonyMessage;
 		type = TelephonyEventMessage;
 	} else if (api == "weather") {