dbus: monitor for udisks media removal events

This makes assumptions that there is only one media device
allowed at a time.

Bug-AGL: SPEC-527
Change-Id: Ide3d760f147551945cc14b7f6b66bd025634a17b
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>

3 files changed, 25 insertions, 1 deletions

diff --git a/app/MediaPlayer.qml b/app/MediaPlayer.qml
index 9019a3f..a937bc6 100644
--- a/app/MediaPlayer.qml
+++ b/app/MediaPlayer.qml
@@ -46,6 +46,13 @@ ApplicationWindow {
     Connections {
         target: dbus
 
+        onStopPlayback: {
+            player.stop()
+            playlist.clear()
+            playlistmodel.setSource(playlist)
+            playlistview.visible = false
+        }
+
         onProcessPlaylistUpdate: {
             playlist.clear()
             playlist.addItems(mediaFiles)
diff --git a/app/dbus.cpp b/app/dbus.cpp
index 0deb4ee..3c298a0 100644
--- a/app/dbus.cpp
+++ b/app/dbus.cpp
@@ -28,11 +28,26 @@ DbusService::DbusService(QObject *parent) : QObject(parent)
 bool DbusService::enableLMS()
 {
     QDBusConnection session_bus = QDBusConnection::sessionBus();
+    QDBusConnection system_bus = QDBusConnection::systemBus();
+    bool ret;
 
     if (!session_bus.isConnected())
         return false;
 
-    return session_bus.connect(QString("org.lightmediascanner"), QString("/org/lightmediascanner/Scanner1"), "org.freedesktop.DBus.Properties", "PropertiesChanged", this, SLOT(lmsUpdate(QString,QVariantMap,QStringList)));
+    if (!system_bus.isConnected())
+        return false;
+
+    ret = session_bus.connect(QString("org.lightmediascanner"), QString("/org/lightmediascanner/Scanner1"), "org.freedesktop.DBus.Properties", "PropertiesChanged", this, SLOT(lmsUpdate(QString,QVariantMap,QStringList)));
+    if (!ret)
+        return false;
+
+    /* Only subscribe to DeviceRemoved events, since we need lms scan to complete on insert */
+    return system_bus.connect(QString("org.freedesktop.UDisks"), QString("/org/freedesktop/UDisks"), "org.freedesktop.UDisks", "DeviceRemoved", this, SLOT(mediaRemoved(QDBusObjectPath)));
+}
+
+void DbusService::mediaRemoved(const QDBusObjectPath&)
+{
+        emit stopPlayback();
 }
 
 #if defined(HAVE_LIGHTMEDIASCANNER)
diff --git a/app/dbus.h b/app/dbus.h
index b2cfeb4..2dd6e34 100644
--- a/app/dbus.h
+++ b/app/dbus.h
@@ -54,11 +54,13 @@ signals:
     void processPlaylistShow();
 
     void displayBluetoothMetadata(const QString& avrcp_artist, const QString& avrcp_title, const int avrcp_duration);
+    void stopPlayback();
     void updatePosition(const int current_position);
     void updatePlayerStatus(const QString status);
 
 private slots:
     void lmsUpdate(const QString&, const QVariantMap&, const QStringList&);
+    void mediaRemoved(const QDBusObjectPath&);
     void newBluetoothDevice(const QDBusObjectPath&, const QVariantMap&);
     void removeBluetoothDevice(const QDBusObjectPath&, const QStringList&);
     void processBluetoothEvent(const QString&, const QVariantMap&, const QStringList&);