libqtappfw: mediaplayer: initial agl-service-mediaplayer binding support

Add initial support interface between agl-service-mediaplayer and libqtappfw

Bug-AGL: SPEC-1375
Change-Id: I740d8cddfd73198b7a3246cb46c941da9f3175d1
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>

7 files changed, 308 insertions, 2 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9f91d1e..64d377b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,12 +14,15 @@ CONFIGURE_FILE("qtappfw.pc.in" "qtappfw.pc" @ONLY)
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/qtappfw.pc
 	DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/pkgconfig)
 
-add_library(qtappfw SHARED message.cpp messageengine.cpp telephony.cpp telephonymessage.cpp weather.cpp weathermessage.cpp)
+add_library(qtappfw SHARED message.cpp messageengine.cpp
+	mediaplayer.cpp mediaplayermessage.cpp
+	telephony.cpp telephonymessage.cpp
+	weather.cpp weathermessage.cpp)
 target_link_libraries(qtappfw Qt5::WebSockets)
 set_target_properties(qtappfw PROPERTIES
 	VERSION ${PROJECT_VERSION}
 	SOVERSION 1
-	PUBLIC_HEADER "message.h;messageengine.h;telephony.h;telephonymessage.h;weather.h;weathermessage.h")
+	PUBLIC_HEADER "message.h;messageengine.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/mediaplayer.cpp b/mediaplayer.cpp
new file mode 100644
index 0000000..58aad8a
--- /dev/null
+++ b/mediaplayer.cpp
@@ -0,0 +1,171 @@
+/*
+ * 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 "mediaplayer.h"
+#include "mediaplayermessage.h"
+
+Mediaplayer::Mediaplayer (QUrl &url, QObject * parent) :
+    QObject(parent),
+    m_mloop(nullptr)
+{
+    m_mloop = new MessageEngine(url);
+    QObject::connect(m_mloop, &MessageEngine::connected, this, &Mediaplayer::onConnected);
+    QObject::connect(m_mloop, &MessageEngine::disconnected, this, &Mediaplayer::onDisconnected);
+    QObject::connect(m_mloop, &MessageEngine::messageReceived, this, &Mediaplayer::onMessageReceived);
+}
+
+Mediaplayer::~Mediaplayer()
+{
+    delete m_mloop;
+}
+
+
+// Control Verb methods
+
+void Mediaplayer::control(QString control, QJsonObject parameter)
+{
+    MediaplayerMessage *tmsg = new MediaplayerMessage();
+
+    parameter.insert("value", control);
+
+    tmsg->createRequest("controls", parameter);
+    m_mloop->sendMessage(tmsg);
+    tmsg->deleteLater();
+}
+
+
+void Mediaplayer::control(QString control)
+{
+    QJsonObject parameter;
+
+    Mediaplayer::control(control, parameter);
+}
+
+void Mediaplayer::play()
+{
+    control("play");
+}
+
+void Mediaplayer::pause()
+{
+    control("pause");
+}
+
+void Mediaplayer::previous()
+{
+    control("previous");
+}
+
+void Mediaplayer::next()
+{
+    control("next");
+}
+
+void Mediaplayer::seek(int milliseconds)
+{
+    QJsonObject parameter;
+    parameter.insert("position", QString::number(milliseconds));
+
+    control("seek", parameter);
+}
+
+void Mediaplayer::fastforward(int milliseconds)
+{
+    QJsonObject parameter;
+    parameter.insert("position", QString::number(milliseconds));
+
+    control("fast-forward", parameter);
+}
+
+void Mediaplayer::rewind(int milliseconds)
+{
+    QJsonObject parameter;
+    parameter.insert("position", QString::number(milliseconds));
+
+    control("rewind", parameter);
+}
+
+void Mediaplayer::picktrack(int track)
+{
+    QJsonObject parameter;
+    parameter.insert("index", QString::number(track));
+
+    control("pick-track", parameter);
+}
+
+void Mediaplayer::volume(int volume)
+{
+    QJsonObject parameter;
+    parameter.insert("volume", QString(volume));
+
+    control("volume", parameter);
+}
+
+void Mediaplayer::loop(int state)
+{
+    QJsonObject parameter;
+    parameter.insert("state", state ? "true" : "false");
+
+    control("loop", parameter);
+}
+
+void Mediaplayer::onConnected()
+{
+    QStringListIterator eventIterator(events);
+    MediaplayerMessage *tmsg;
+
+    while (eventIterator.hasNext()) {
+        tmsg = new MediaplayerMessage();
+        QJsonObject parameter;
+        parameter.insert("value", eventIterator.next());
+        tmsg->createRequest("subscribe", parameter);
+        m_mloop->sendMessage(tmsg);
+        tmsg->deleteLater();
+    }
+}
+
+void Mediaplayer::onDisconnected()
+{
+    QStringListIterator eventIterator(events);
+    MediaplayerMessage *tmsg;
+
+    while (eventIterator.hasNext()) {
+        tmsg = new MediaplayerMessage();
+        QJsonObject parameter;
+        parameter.insert("value", eventIterator.next());
+        tmsg->createRequest("unsubscribe", parameter);
+        m_mloop->sendMessage(tmsg);
+        tmsg->deleteLater();
+    }
+}
+
+void Mediaplayer::onMessageReceived(MessageType type, Message *message)
+{
+    if (type == MediaplayerEventMessage) {
+        MediaplayerMessage *tmsg = qobject_cast<MediaplayerMessage*>(message);
+
+        if (tmsg->isEvent()) {
+            if (tmsg->isPlaylistEvent()) {
+                emit playlistChanged(tmsg->eventData());
+            } else if (tmsg->isMetadataEvent()) {
+                emit metadataChanged(tmsg->eventData());
+            }
+        }
+    }
+    message->deleteLater();
+}
diff --git a/mediaplayer.h b/mediaplayer.h
new file mode 100644
index 0000000..107cfa3
--- /dev/null
+++ b/mediaplayer.h
@@ -0,0 +1,65 @@
+/*
+ * 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 MEDIAPLAYER_H
+#define MEDIAPLAYER_H
+
+#include <QDebug>
+#include <QObject>
+
+#include "messageengine.h"
+
+class Mediaplayer : public QObject
+{
+    Q_OBJECT
+
+    public:
+        explicit Mediaplayer(QUrl &url, QObject * parent = Q_NULLPTR);
+        virtual ~Mediaplayer();
+
+        // controls
+        Q_INVOKABLE void play();
+        Q_INVOKABLE void pause();
+        Q_INVOKABLE void previous();
+        Q_INVOKABLE void next();
+        Q_INVOKABLE void seek(int);
+        Q_INVOKABLE void fastforward(int);
+        Q_INVOKABLE void rewind(int);
+        Q_INVOKABLE void picktrack(int);
+        Q_INVOKABLE void volume(int);
+        Q_INVOKABLE void loop(int);
+
+    signals:
+        void playlistChanged(QJsonObject playlist);
+        void metadataChanged(QJsonObject metadata);
+
+    private:
+        MessageEngine *m_mloop;
+
+        void control(QString, QJsonObject);
+        void control(QString);
+
+        void onConnected();
+        void onDisconnected();
+        void onMessageReceived(MessageType, Message*);
+
+        const QStringList events {
+            "playlist",
+            "metadata",
+        };
+};
+
+#endif // MEDIAPLAYER_H
diff --git a/mediaplayermessage.cpp b/mediaplayermessage.cpp
new file mode 100644
index 0000000..cda09d2
--- /dev/null
+++ b/mediaplayermessage.cpp
@@ -0,0 +1,31 @@
+/*
+ * 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 "mediaplayermessage.h"
+
+bool MediaplayerMessage::createRequest(QString verb, QJsonObject parameter)
+{
+	QStringList verbs {"playlist", "metadata", "controls", "subscribe", "unsubscribe"};
+	if (!verbs.contains(verb))
+		return false;
+
+	return Message::createRequest("mediaplayer", verb, parameter);
+}
diff --git a/mediaplayermessage.h b/mediaplayermessage.h
new file mode 100644
index 0000000..c164cde
--- /dev/null
+++ b/mediaplayermessage.h
@@ -0,0 +1,31 @@
+/*
+ * 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 MEDIAPLAYER_MESSAGE_H
+#define MEDIAPLAYER_MESSAGE_H
+
+#include "message.h"
+
+class MediaplayerMessage : public Message
+{
+    Q_OBJECT
+    public:
+        bool isPlaylistEvent() { return (this->eventName() == "playlist"); };
+        bool isMetadataEvent() { return (this->eventName() == "metadata"); };
+        bool createRequest(QString verb, QJsonObject parameter);
+};
+
+#endif // MEDIAPLAYER_MESSAGE_H
diff --git a/message.h b/message.h
index 28df8d0..8512332 100644
--- a/message.h
+++ b/message.h
@@ -32,6 +32,7 @@ enum MessageType {
 	GenericMessage,
 	TelephonyEventMessage,
 	WeatherEventMessage,
+	MediaplayerEventMessage,
 };
 
 class Message : public QObject
diff --git a/messageengine.cpp b/messageengine.cpp
index 101f7e0..916fb25 100644
--- a/messageengine.cpp
+++ b/messageengine.cpp
@@ -16,6 +16,7 @@
 
 #include "message.h"
 #include "messageengine.h"
+#include "mediaplayermessage.h"
 #include "telephonymessage.h"
 #include "weathermessage.h"
 
@@ -78,6 +79,9 @@ void MessageEngine::onTextMessageReceived(QString jsonStr)
 	} else if (api == "weather") {
 		message = new WeatherMessage;
 		type = WeatherEventMessage;
+	} else if (api == "mediaplayer") {
+		message = new MediaplayerMessage;
+		type = MediaplayerEventMessage;
 	} else {
 		message = new Message;
 		type = GenericMessage;