dbus plugin changes: volume and balance control

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@275 90c681e8-e032-0410-971d-27865f9a5e38

4 files changed, 86 insertions, 18 deletions

diff --git a/src/plugins/General/dbuscontrol/dbusadaptor.cpp b/src/plugins/General/dbuscontrol/dbusadaptor.cpp
index 23646b5bb..730ab5ee3 100644
--- a/src/plugins/General/dbuscontrol/dbusadaptor.cpp
+++ b/src/plugins/General/dbuscontrol/dbusadaptor.cpp
@@ -17,49 +17,83 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
+
+#include <qmmpui/control.h>
+
 #include "dbusadaptor.h"
 
-DBUSAdaptor::DBUSAdaptor(QObject *parent)
- : QDBusAbstractAdaptor(parent)
+DBUSAdaptor::DBUSAdaptor(Control *ctrl, QObject *parent)
+        : QDBusAbstractAdaptor(parent)
 {
+    m_control = ctrl;
     setAutoRelaySignals(TRUE);
 }
 
 DBUSAdaptor::~DBUSAdaptor()
+{}
+
+int DBUSAdaptor::volume()
+{
+    int left, right;
+    QMetaObject::invokeMethod(parent(), "leftVolume", Q_RETURN_ARG(int, left));
+    QMetaObject::invokeMethod(parent(), "rightVolume", Q_RETURN_ARG(int, right));
+    return qMax(left, right);
+}
+
+void DBUSAdaptor::setVolume(int volume)
+{
+    volume = qMin(volume, 100);
+    volume = qMax(volume, 0);
+    int bal = balance();
+    int left = volume-qMax(bal,0)*volume/100;
+    int right = volume+qMin(bal,0)*volume/100;
+    QMetaObject::invokeMethod(m_control, "setVolume", Q_ARG(int, left), Q_ARG(int, right));
+}
+
+int DBUSAdaptor::balance()
 {
+    int left, right;
+    QMetaObject::invokeMethod(parent(), "leftVolume", Q_RETURN_ARG(int, left));
+    QMetaObject::invokeMethod(parent(), "rightVolume", Q_RETURN_ARG(int, right));
+    return (right-left)*100/qMax(left, right);
+}
+
+void DBUSAdaptor::setBalance(int bal)
+{
+    bal = qMin(bal,100);
+    bal = qMax(bal,-100);
+    int left = volume()-qMax(bal,0)*volume()/100;
+    int right = volume()+qMin(bal,0)*volume()/100;
+    QMetaObject::invokeMethod(m_control, "setVolume", Q_ARG(int, left), Q_ARG(int, right));
 }
 
 void DBUSAdaptor::play()
 {
-    QMetaObject::invokeMethod(parent(), "play");
+    QMetaObject::invokeMethod(m_control, "play");
 }
 
 void DBUSAdaptor::stop()
 {
-    QMetaObject::invokeMethod(parent(), "stop");
+    QMetaObject::invokeMethod(m_control, "stop");
 }
 
 void DBUSAdaptor::next()
 {
-    QMetaObject::invokeMethod(parent(), "next");
+    QMetaObject::invokeMethod(m_control, "next");
 }
 
 void DBUSAdaptor::previous()
 {
-    QMetaObject::invokeMethod(parent(), "previous");
+    QMetaObject::invokeMethod(m_control, "previous");
 }
 
 void DBUSAdaptor::pause()
 {
-    QMetaObject::invokeMethod(parent(), "pause");
+    QMetaObject::invokeMethod(m_control, "pause");
 }
 
 void DBUSAdaptor::exit()
 {
-    QMetaObject::invokeMethod(parent(), "exit");
+    QMetaObject::invokeMethod(m_control, "exit");
 }
 
-void DBUSAdaptor::setVolume(int left, int right)
-{
-    QMetaObject::invokeMethod(parent(), "setVolume", Q_ARG(int, left), Q_ARG(int, right));
-}
diff --git a/src/plugins/General/dbuscontrol/dbusadaptor.h b/src/plugins/General/dbuscontrol/dbusadaptor.h
index b1b5fa50d..942e0b9ec 100644
--- a/src/plugins/General/dbuscontrol/dbusadaptor.h
+++ b/src/plugins/General/dbuscontrol/dbusadaptor.h
@@ -22,6 +22,8 @@
 
 #include <QtDBus>
 
+class Control;
+
 /**
 	@author Ilya Kotov <forkotov02@hotmail.ru>
 */
@@ -29,11 +31,19 @@ class DBUSAdaptor : public QDBusAbstractAdaptor
 {
 Q_OBJECT
 Q_CLASSINFO("D-Bus Interface", "org.qmmp.dbus")
+Q_PROPERTY(int volume READ volume WRITE setVolume)
+Q_PROPERTY(int balance READ balance WRITE setBalance)
+
 public:
-    DBUSAdaptor(QObject *parent = 0);
+    DBUSAdaptor(Control *ctrl, QObject *parent = 0);
 
     ~DBUSAdaptor();
 
+    int volume();
+    void setVolume(int);
+    int balance();
+    void setBalance(int);
+
 public slots:
     void play();
     void stop();
@@ -41,8 +51,9 @@ public slots:
     void previous();
     void pause();
     void exit();
-    void setVolume(int, int);
 
+private:
+    Control *m_control;
 };
 
 #endif
diff --git a/src/plugins/General/dbuscontrol/dbuscontrol.cpp b/src/plugins/General/dbuscontrol/dbuscontrol.cpp
index 6cd766063..e2e673b21 100644
--- a/src/plugins/General/dbuscontrol/dbuscontrol.cpp
+++ b/src/plugins/General/dbuscontrol/dbuscontrol.cpp
@@ -26,16 +26,17 @@
 DBUSControl::DBUSControl(Control *control, QObject *parent)
         : General(parent)
 {
-    m_adaptor = new DBUSAdaptor(control);
+    new DBUSAdaptor(control, this);
     QDBusConnection connection = QDBusConnection::sessionBus();
-    connection.registerObject("/Qmmp", control);
+    connection.registerObject("/Qmmp", this);
     connection.registerService("org.qmmp.dbus");
+    m_left = 0;
+    m_right = 0;
 }
 
 
 DBUSControl::~DBUSControl()
 {
-    delete m_adaptor;
 }
 
 void DBUSControl::setState(const uint &state)
@@ -60,3 +61,20 @@ void DBUSControl::setState(const uint &state)
 void DBUSControl::setSongInfo(const SongInfo&)
 {
 }
+
+void DBUSControl::setVolume(int left, int right)
+{
+    m_left = left;
+    m_right = right;
+}
+
+int DBUSControl::leftVolume()
+{
+    return m_left;
+}
+
+int DBUSControl::rightVolume()
+{
+    return m_right;
+}
+
diff --git a/src/plugins/General/dbuscontrol/dbuscontrol.h b/src/plugins/General/dbuscontrol/dbuscontrol.h
index a14c37759..58bac24ce 100644
--- a/src/plugins/General/dbuscontrol/dbuscontrol.h
+++ b/src/plugins/General/dbuscontrol/dbuscontrol.h
@@ -40,10 +40,15 @@ public:
 
     void setState(const uint& state);
     void setSongInfo(const SongInfo &song);
+    void setVolume(int left, int right);
+
+public slots:
+    int leftVolume();
+    int rightVolume();
 
 private:
     DBUSAdaptor *m_adaptor;
-
+    int m_left, m_right;
 };
 
 #endif